Merge branch '3.14-fixes' into mips-for-linux-next
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 7111d74..fc9be7c 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -10,6 +10,7 @@
select HAVE_PERF_EVENTS
select PERF_USE_VMALLOC
select HAVE_ARCH_KGDB
+ select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
select ARCH_HAVE_CUSTOM_GPIO_H
select HAVE_FUNCTION_TRACER
@@ -62,6 +63,7 @@
select CEVT_R4K
select CSRC_R4K
select IRQ_CPU
+ select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
select SYS_HAS_CPU_MIPS32_R1
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_APM_EMULATION
@@ -235,7 +237,6 @@
select IRQ_CPU
select ARCH_REQUIRE_GPIOLIB
select SYS_HAS_EARLY_PRINTK
- select HAVE_PWM
select HAVE_CLK
select GENERIC_IRQ_CHIP
@@ -320,6 +321,7 @@
select SWAP_IO_SPACE
select SYS_HAS_CPU_MIPS32_R1
select SYS_HAS_CPU_MIPS32_R2
+ select SYS_HAS_CPU_MIPS32_R3_5
select SYS_HAS_CPU_MIPS64_R1
select SYS_HAS_CPU_MIPS64_R2
select SYS_HAS_CPU_NEVADA
@@ -329,6 +331,7 @@
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_SUPPORTS_MIPS_CMP
+ select SYS_SUPPORTS_MIPS_CPS
select SYS_SUPPORTS_MULTITHREADING
select SYS_SUPPORTS_SMARTMIPS
select SYS_SUPPORTS_ZBOOT
@@ -783,7 +786,6 @@
select CEVT_R4K
select CSRC_R4K
select IRQ_CPU
- select ARCH_SUPPORTS_MSI
select ZONE_DMA32 if 64BIT
select SYNC_R4K
select SYS_HAS_EARLY_PRINTK
@@ -869,6 +871,7 @@
bool
config CEVT_GIC
+ select MIPS_CM
bool
config CEVT_SB1250
@@ -887,6 +890,7 @@
bool
config CSRC_GIC
+ select MIPS_CM
bool
config CSRC_SB1250
@@ -1031,6 +1035,7 @@
bool
config IRQ_GIC
+ select MIPS_CM
bool
config PCI_GT64XXX_PCI0
@@ -1149,6 +1154,18 @@
prompt "CPU type"
default CPU_R4X00
+config CPU_LOONGSON3
+ bool "Loongson 3 CPU"
+ depends on SYS_HAS_CPU_LOONGSON3
+ select CPU_SUPPORTS_64BIT_KERNEL
+ select CPU_SUPPORTS_HIGHMEM
+ select CPU_SUPPORTS_HUGEPAGES
+ select WEAK_ORDERING
+ select WEAK_REORDERING_BEYOND_LLSC
+ help
+ The Loongson 3 processor implements the MIPS64R2 instruction
+ set with many extensions.
+
config CPU_LOONGSON2E
bool "Loongson 2E"
depends on SYS_HAS_CPU_LOONGSON2E
@@ -1204,6 +1221,7 @@
select CPU_HAS_PREFETCH
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
+ select CPU_SUPPORTS_MSA
select HAVE_KVM
help
Choose this option to build a kernel for release 2 or later of the
@@ -1239,6 +1257,7 @@
select CPU_SUPPORTS_64BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
select CPU_SUPPORTS_HUGEPAGES
+ select CPU_SUPPORTS_MSA
help
Choose this option to build a kernel for release 2 or later of the
MIPS64 architecture. Many modern embedded systems with a 64-bit
@@ -1397,7 +1416,6 @@
select LIBFDT
select USE_OF
select USB_EHCI_BIG_ENDIAN_MMIO
- select SYS_HAS_DMA_OPS
select MIPS_L1_CACHE_SHIFT_7
help
The Cavium Octeon processor is a highly integrated chip containing
@@ -1449,6 +1467,26 @@
Netlogic Microsystems XLP processors.
endchoice
+config CPU_MIPS32_3_5_FEATURES
+ bool "MIPS32 Release 3.5 Features"
+ depends on SYS_HAS_CPU_MIPS32_R3_5
+ depends on CPU_MIPS32_R2
+ help
+ Choose this option to build a kernel for release 2 or later of the
+ MIPS32 architecture including features from the 3.5 release such as
+ support for Enhanced Virtual Addressing (EVA).
+
+config CPU_MIPS32_3_5_EVA
+ bool "Enhanced Virtual Addressing (EVA)"
+ depends on CPU_MIPS32_3_5_FEATURES
+ select EVA
+ default y
+ help
+ Choose this option if you want to enable the Enhanced Virtual
+ Addressing (EVA) on your MIPS32 core (such as proAptiv).
+ One of its primary benefits is an increase in the maximum size
+ of lowmem (up to 3GB). If unsure, say 'N' here.
+
if CPU_LOONGSON2F
config CPU_NOP_WORKAROUNDS
bool
@@ -1524,6 +1562,10 @@
select SYS_SUPPORTS_SMP
select SYS_SUPPORTS_HOTPLUG_CPU
+config SYS_HAS_CPU_LOONGSON3
+ bool
+ select CPU_SUPPORTS_CPUFREQ
+
config SYS_HAS_CPU_LOONGSON2E
bool
@@ -1542,6 +1584,9 @@
config SYS_HAS_CPU_MIPS32_R2
bool
+config SYS_HAS_CPU_MIPS32_R3_5
+ bool
+
config SYS_HAS_CPU_MIPS64_R1
bool
@@ -1658,6 +1703,9 @@
bool
default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
+config EVA
+ bool
+
config SYS_SUPPORTS_32BIT_KERNEL
bool
config SYS_SUPPORTS_64BIT_KERNEL
@@ -1730,7 +1778,7 @@
config PAGE_SIZE_4KB
bool "4kB"
- depends on !CPU_LOONGSON2
+ depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
help
This option select the standard 4kB Linux page size. On some
R3000-family processors this is the only available page size. Using
@@ -1871,6 +1919,7 @@
select CPU_MIPSR2_IRQ_VI
select CPU_MIPSR2_IRQ_EI
select SYNC_R4K
+ select MIPS_GIC_IPI
select MIPS_MT
select SMP
select SMP_UP
@@ -1888,6 +1937,7 @@
bool "Use all TCs on all VPEs for SMP (DEPRECATED)"
depends on CPU_MIPS32_R2
depends on SYS_SUPPORTS_MULTITHREADING
+ depends on !MIPS_CPS
select CPU_MIPSR2_IRQ_VI
select CPU_MIPSR2_IRQ_EI
select MIPS_MT
@@ -1995,13 +2045,45 @@
depends on MIPS_VPE_APSP_API && !MIPS_CMP
config MIPS_CMP
- bool "MIPS CMP support"
- depends on SYS_SUPPORTS_MIPS_CMP && MIPS_MT_SMP
+ bool "MIPS CMP framework support (DEPRECATED)"
+ depends on SYS_SUPPORTS_MIPS_CMP && !MIPS_MT_SMTC
+ select MIPS_GIC_IPI
select SYNC_R4K
select WEAK_ORDERING
default n
help
- Enable Coherency Manager processor (CMP) support.
+ Select this if you are using a bootloader which implements the "CMP
+ framework" protocol (ie. YAMON) and want your kernel to make use of
+ its ability to start secondary CPUs.
+
+ Unless you have a specific need, you should use CONFIG_MIPS_CPS
+ instead of this.
+
+config MIPS_CPS
+ bool "MIPS Coherent Processing System support"
+ depends on SYS_SUPPORTS_MIPS_CPS
+ select MIPS_CM
+ select MIPS_CPC
+ select MIPS_GIC_IPI
+ select SMP
+ select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
+ select SYS_SUPPORTS_SMP
+ select WEAK_ORDERING
+ help
+ Select this if you wish to run an SMP kernel across multiple cores
+ within a MIPS Coherent Processing System. When this option is
+ enabled the kernel will probe for other cores and boot them with
+ no external assistance. It is safe to enable this when hardware
+ support is unavailable.
+
+config MIPS_GIC_IPI
+ bool
+
+config MIPS_CM
+ bool
+
+config MIPS_CPC
+ bool
config SB1_PASS_1_WORKAROUNDS
bool
@@ -2044,6 +2126,21 @@
When this option is enabled the kernel will be built using the
microMIPS ISA
+config CPU_HAS_MSA
+ bool "Support for the MIPS SIMD Architecture"
+ depends on CPU_SUPPORTS_MSA
+ default y
+ help
+ MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
+ and a set of SIMD instructions to operate on them. When this option
+ is enabled the kernel will support allocating & switching MSA
+ vector register contexts. If you know that your kernel will only be
+ running on CPUs which do not support MSA or that your userland will
+ not be making use of it then you may wish to say N here to reduce
+ the size & complexity of your kernel.
+
+ If unsure, say Y.
+
config CPU_HAS_WB
bool
@@ -2095,7 +2192,7 @@
#
config HIGHMEM
bool "High Memory Support"
- depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
+ depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
config CPU_SUPPORTS_HIGHMEM
bool
@@ -2109,6 +2206,9 @@
config SYS_SUPPORTS_MICROMIPS
bool
+config CPU_SUPPORTS_MSA
+ bool
+
config ARCH_FLATMEM_ENABLE
def_bool y
depends on !NUMA && !CPU_LOONGSON2
@@ -2182,6 +2282,9 @@
config SYS_SUPPORTS_MIPS_CMP
bool
+config SYS_SUPPORTS_MIPS_CPS
+ bool
+
config SYS_SUPPORTS_SMP
bool
@@ -2414,6 +2517,17 @@
your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
say Y, otherwise N.
+config HT_PCI
+ bool "Support for HT-linked PCI"
+ default y
+ depends on CPU_LOONGSON3
+ select PCI
+ select PCI_DOMAINS
+ help
+ Loongson family machines use Hyper-Transport bus for inter-core
+ connection and device connection. The PCI bus is a subordinate
+ linked at HT. Choose Y for Loongson-3 based machines.
+
config PCI_DOMAINS
bool
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 9b8556de9..1a5b4032 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -119,6 +119,11 @@
cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
-fno-omit-frame-pointer
+ifeq ($(CONFIG_CPU_HAS_MSA),y)
+toolchain-msa := $(call cc-option-yn,-mhard-float -mfp64 -mmsa)
+cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA
+endif
+
#
# CPU-dependent compiler/assembler options for optimization.
#
diff --git a/arch/mips/alchemy/Kconfig b/arch/mips/alchemy/Kconfig
index 7032ac7..b962898 100644
--- a/arch/mips/alchemy/Kconfig
+++ b/arch/mips/alchemy/Kconfig
@@ -16,36 +16,29 @@
choice
prompt "Machine type"
depends on MIPS_ALCHEMY
- default MIPS_DB1000
+ default MIPS_DB1XXX
config MIPS_MTX1
bool "4G Systems MTX-1 board"
- select DMA_NONCOHERENT
select HW_HAS_PCI
select ALCHEMY_GPIOINT_AU1000
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_HAS_EARLY_PRINTK
-config MIPS_DB1000
- bool "Alchemy DB1000/DB1500/DB1100 PB1500/1100 boards"
- select ALCHEMY_GPIOINT_AU1000
- select DMA_NONCOHERENT
- select HW_HAS_PCI
- select SYS_SUPPORTS_BIG_ENDIAN
- select SYS_SUPPORTS_LITTLE_ENDIAN
- select SYS_HAS_EARLY_PRINTK
-
-config MIPS_DB1235
- bool "Alchemy DB1200/PB1200/DB1300/DB1550/PB1550 boards"
+config MIPS_DB1XXX
+ bool "Alchemy DB1XXX / PB1XXX boards"
select ARCH_REQUIRE_GPIOLIB
select HW_HAS_PCI
- select DMA_COHERENT
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_HAS_EARLY_PRINTK
+ help
+ Select this option if you have one of the following Alchemy
+ development boards: DB1000 DB1500 DB1100 DB1550 DB1200 DB1300
+ PB1500 PB1100 PB1550 PB1200
+ Board type is autodetected during boot.
config MIPS_XXS1500
bool "MyCable XXS1500 board"
- select DMA_NONCOHERENT
select ALCHEMY_GPIOINT_AU1000
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_HAS_EARLY_PRINTK
@@ -54,7 +47,6 @@
bool "Trapeze ITS GPR board"
select ALCHEMY_GPIOINT_AU1000
select HW_HAS_PCI
- select DMA_NONCOHERENT
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_HAS_EARLY_PRINTK
diff --git a/arch/mips/alchemy/Platform b/arch/mips/alchemy/Platform
index b3afcdd..33c9da3 100644
--- a/arch/mips/alchemy/Platform
+++ b/arch/mips/alchemy/Platform
@@ -5,18 +5,12 @@
#
-# AMD Alchemy Db1000/Db1500/Pb1500/Db1100/Pb1100 eval boards
+# AMD Alchemy Db1000/Db1500/Pb1500/Db1100/Pb1100
+# Db1550/Pb1550/Db1200/Pb1200/Db1300
#
-platform-$(CONFIG_MIPS_DB1000) += alchemy/devboards/
-cflags-$(CONFIG_MIPS_DB1000) += -I$(srctree)/arch/mips/include/asm/mach-db1x00
-load-$(CONFIG_MIPS_DB1000) += 0xffffffff80100000
-
-#
-# AMD Alchemy Db1200/Pb1200/Db1550/Pb1550/Db1300 eval boards
-#
-platform-$(CONFIG_MIPS_DB1235) += alchemy/devboards/
-cflags-$(CONFIG_MIPS_DB1235) += -I$(srctree)/arch/mips/include/asm/mach-db1x00
-load-$(CONFIG_MIPS_DB1235) += 0xffffffff80100000
+platform-$(CONFIG_MIPS_DB1XXX) += alchemy/devboards/
+cflags-$(CONFIG_MIPS_DB1XXX) += -I$(srctree)/arch/mips/include/asm/mach-db1x00
+load-$(CONFIG_MIPS_DB1XXX) += 0xffffffff80100000
#
# 4G-Systems MTX-1 "MeshCube" wireless router
diff --git a/arch/mips/alchemy/common/setup.c b/arch/mips/alchemy/common/setup.c
index 62b4e7b..566a1743 100644
--- a/arch/mips/alchemy/common/setup.c
+++ b/arch/mips/alchemy/common/setup.c
@@ -30,6 +30,7 @@
#include <linux/jiffies.h>
#include <linux/module.h>
+#include <asm/dma-coherence.h>
#include <asm/mipsregs.h>
#include <asm/time.h>
@@ -59,6 +60,15 @@
/* Clear to obtain best system bus performance */
clear_c0_config(1 << 19); /* Clear Config[OD] */
+ hw_coherentio = 0;
+ coherentio = 1;
+ switch (alchemy_get_cputype()) {
+ case ALCHEMY_CPU_AU1000:
+ case ALCHEMY_CPU_AU1500:
+ case ALCHEMY_CPU_AU1100:
+ coherentio = 0;
+ }
+
board_setup(); /* board specific setup */
/* IO/MEM resources. */
diff --git a/arch/mips/alchemy/common/sleeper.S b/arch/mips/alchemy/common/sleeper.S
index 706d933..c73d812 100644
--- a/arch/mips/alchemy/common/sleeper.S
+++ b/arch/mips/alchemy/common/sleeper.S
@@ -95,7 +95,7 @@
/* cache following instructions, as memory gets put to sleep */
la t0, 1f
- .set mips3
+ .set arch=r4000
cache 0x14, 0(t0)
cache 0x14, 32(t0)
cache 0x14, 64(t0)
@@ -121,7 +121,7 @@
/* cache following instructions, as memory gets put to sleep */
la t0, 1f
- .set mips3
+ .set arch=r4000
cache 0x14, 0(t0)
cache 0x14, 32(t0)
cache 0x14, 64(t0)
@@ -163,7 +163,7 @@
la t1, 4f
subu t2, t1, t0
- .set mips3
+ .set arch=r4000
1: cache 0x14, 0(t0)
subu t2, t2, 32
diff --git a/arch/mips/alchemy/devboards/Makefile b/arch/mips/alchemy/devboards/Makefile
index 15bf730..9da3659 100644
--- a/arch/mips/alchemy/devboards/Makefile
+++ b/arch/mips/alchemy/devboards/Makefile
@@ -2,7 +2,5 @@
# Alchemy Develboards
#
-obj-y += bcsr.o platform.o
+obj-y += bcsr.o platform.o db1000.o db1200.o db1300.o db1550.o db1xxx.o
obj-$(CONFIG_PM) += pm.o
-obj-$(CONFIG_MIPS_DB1000) += db1000.o
-obj-$(CONFIG_MIPS_DB1235) += db1235.o db1200.o db1300.o db1550.o
diff --git a/arch/mips/alchemy/devboards/db1000.c b/arch/mips/alchemy/devboards/db1000.c
index 5483906..92dd929 100644
--- a/arch/mips/alchemy/devboards/db1000.c
+++ b/arch/mips/alchemy/devboards/db1000.c
@@ -41,42 +41,27 @@
#define F_SWAPPED (bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1000_SWAPBOOT)
-struct pci_dev;
+const char *get_system_type(void);
-static const char *board_type_str(void)
-{
- switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
- case BCSR_WHOAMI_DB1000:
- return "DB1000";
- case BCSR_WHOAMI_DB1500:
- return "DB1500";
- case BCSR_WHOAMI_DB1100:
- return "DB1100";
- case BCSR_WHOAMI_PB1500:
- case BCSR_WHOAMI_PB1500R2:
- return "PB1500";
- case BCSR_WHOAMI_PB1100:
- return "PB1100";
- default:
- return "(unknown)";
- }
-}
-
-const char *get_system_type(void)
-{
- return board_type_str();
-}
-
-void __init board_setup(void)
+int __init db1000_board_setup(void)
{
/* initialize board register space */
bcsr_init(DB1000_BCSR_PHYS_ADDR,
DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS);
- printk(KERN_INFO "AMD Alchemy %s Board\n", board_type_str());
+ switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
+ case BCSR_WHOAMI_DB1000:
+ case BCSR_WHOAMI_DB1500:
+ case BCSR_WHOAMI_DB1100:
+ case BCSR_WHOAMI_PB1500:
+ case BCSR_WHOAMI_PB1500R2:
+ case BCSR_WHOAMI_PB1100:
+ pr_info("AMD Alchemy %s Board\n", get_system_type());
+ return 0;
+ }
+ return -ENODEV;
}
-
static int db1500_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
{
if ((slot < 12) || (slot > 13) || pin == 0)
@@ -114,17 +99,10 @@
.resource = alchemy_pci_host_res,
};
-static int __init db1500_pci_init(void)
+int __init db1500_pci_setup(void)
{
- int id = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
- if ((id == BCSR_WHOAMI_DB1500) || (id == BCSR_WHOAMI_PB1500) ||
- (id == BCSR_WHOAMI_PB1500R2))
- return platform_device_register(&db1500_pci_host_dev);
- return 0;
+ return platform_device_register(&db1500_pci_host_dev);
}
-/* must be arch_initcall; MIPS PCI scans busses in a subsys_initcall */
-arch_initcall(db1500_pci_init);
-
static struct resource au1100_lcd_resources[] = {
[0] = {
@@ -513,7 +491,7 @@
&db1000_irda_dev,
};
-static int __init db1000_dev_init(void)
+int __init db1000_dev_setup(void)
{
int board = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
int c0, c1, d0, d1, s0, s1, flashsize = 32, twosocks = 1;
@@ -623,4 +601,3 @@
db1x_register_norflash(flashsize << 20, 4 /* 32bit */, F_SWAPPED);
return 0;
}
-device_initcall(db1000_dev_init);
diff --git a/arch/mips/alchemy/devboards/db1200.c b/arch/mips/alchemy/devboards/db1200.c
index a84d98b..9e46667 100644
--- a/arch/mips/alchemy/devboards/db1200.c
+++ b/arch/mips/alchemy/devboards/db1200.c
@@ -35,16 +35,63 @@
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/smc91x.h>
+#include <linux/ata_platform.h>
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/au1100_mmc.h>
#include <asm/mach-au1x00/au1xxx_dbdma.h>
+#include <asm/mach-au1x00/au1xxx_psc.h>
#include <asm/mach-au1x00/au1200fb.h>
#include <asm/mach-au1x00/au1550_spi.h>
#include <asm/mach-db1x00/bcsr.h>
-#include <asm/mach-db1x00/db1200.h>
#include "platform.h"
+#define BCSR_INT_IDE 0x0001
+#define BCSR_INT_ETH 0x0002
+#define BCSR_INT_PC0 0x0004
+#define BCSR_INT_PC0STSCHG 0x0008
+#define BCSR_INT_PC1 0x0010
+#define BCSR_INT_PC1STSCHG 0x0020
+#define BCSR_INT_DC 0x0040
+#define BCSR_INT_FLASHBUSY 0x0080
+#define BCSR_INT_PC0INSERT 0x0100
+#define BCSR_INT_PC0EJECT 0x0200
+#define BCSR_INT_PC1INSERT 0x0400
+#define BCSR_INT_PC1EJECT 0x0800
+#define BCSR_INT_SD0INSERT 0x1000
+#define BCSR_INT_SD0EJECT 0x2000
+#define BCSR_INT_SD1INSERT 0x4000
+#define BCSR_INT_SD1EJECT 0x8000
+
+#define DB1200_IDE_PHYS_ADDR 0x18800000
+#define DB1200_IDE_REG_SHIFT 5
+#define DB1200_IDE_PHYS_LEN (16 << DB1200_IDE_REG_SHIFT)
+#define DB1200_ETH_PHYS_ADDR 0x19000300
+#define DB1200_NAND_PHYS_ADDR 0x20000000
+
+#define PB1200_IDE_PHYS_ADDR 0x0C800000
+#define PB1200_ETH_PHYS_ADDR 0x0D000300
+#define PB1200_NAND_PHYS_ADDR 0x1C000000
+
+#define DB1200_INT_BEGIN (AU1000_MAX_INTR + 1)
+#define DB1200_IDE_INT (DB1200_INT_BEGIN + 0)
+#define DB1200_ETH_INT (DB1200_INT_BEGIN + 1)
+#define DB1200_PC0_INT (DB1200_INT_BEGIN + 2)
+#define DB1200_PC0_STSCHG_INT (DB1200_INT_BEGIN + 3)
+#define DB1200_PC1_INT (DB1200_INT_BEGIN + 4)
+#define DB1200_PC1_STSCHG_INT (DB1200_INT_BEGIN + 5)
+#define DB1200_DC_INT (DB1200_INT_BEGIN + 6)
+#define DB1200_FLASHBUSY_INT (DB1200_INT_BEGIN + 7)
+#define DB1200_PC0_INSERT_INT (DB1200_INT_BEGIN + 8)
+#define DB1200_PC0_EJECT_INT (DB1200_INT_BEGIN + 9)
+#define DB1200_PC1_INSERT_INT (DB1200_INT_BEGIN + 10)
+#define DB1200_PC1_EJECT_INT (DB1200_INT_BEGIN + 11)
+#define DB1200_SD0_INSERT_INT (DB1200_INT_BEGIN + 12)
+#define DB1200_SD0_EJECT_INT (DB1200_INT_BEGIN + 13)
+#define PB1200_SD1_INSERT_INT (DB1200_INT_BEGIN + 14)
+#define PB1200_SD1_EJECT_INT (DB1200_INT_BEGIN + 15)
+#define DB1200_INT_END (DB1200_INT_BEGIN + 15)
+
const char *get_system_type(void);
static int __init db1200_detect_board(void)
@@ -89,6 +136,15 @@
return -ENODEV;
whoami = bcsr_read(BCSR_WHOAMI);
+ switch (BCSR_WHOAMI_BOARD(whoami)) {
+ case BCSR_WHOAMI_PB1200_DDR1:
+ case BCSR_WHOAMI_PB1200_DDR2:
+ case BCSR_WHOAMI_DB1200:
+ break;
+ default:
+ return -ENODEV;
+ }
+
printk(KERN_INFO "Alchemy/AMD/RMI %s Board, CPLD Rev %d"
" Board-ID %d Daughtercard ID %d\n", get_system_type(),
(whoami >> 4) & 0xf, (whoami >> 8) & 0xf, whoami & 0xf);
@@ -275,32 +331,38 @@
/**********************************************************************/
+static struct pata_platform_info db1200_ide_info = {
+ .ioport_shift = DB1200_IDE_REG_SHIFT,
+};
+
+#define IDE_ALT_START (14 << DB1200_IDE_REG_SHIFT)
static struct resource db1200_ide_res[] = {
[0] = {
.start = DB1200_IDE_PHYS_ADDR,
- .end = DB1200_IDE_PHYS_ADDR + DB1200_IDE_PHYS_LEN - 1,
+ .end = DB1200_IDE_PHYS_ADDR + IDE_ALT_START - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
+ .start = DB1200_IDE_PHYS_ADDR + IDE_ALT_START,
+ .end = DB1200_IDE_PHYS_ADDR + DB1200_IDE_PHYS_LEN - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
.start = DB1200_IDE_INT,
.end = DB1200_IDE_INT,
.flags = IORESOURCE_IRQ,
},
- [2] = {
- .start = AU1200_DSCR_CMD0_DMA_REQ1,
- .end = AU1200_DSCR_CMD0_DMA_REQ1,
- .flags = IORESOURCE_DMA,
- },
};
static u64 au1200_ide_dmamask = DMA_BIT_MASK(32);
static struct platform_device db1200_ide_dev = {
- .name = "au1200-ide",
+ .name = "pata_platform",
.id = 0,
.dev = {
.dma_mask = &au1200_ide_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &db1200_ide_info,
},
.num_resources = ARRAY_SIZE(db1200_ide_res),
.resource = db1200_ide_res,
diff --git a/arch/mips/alchemy/devboards/db1300.c b/arch/mips/alchemy/devboards/db1300.c
index 6167e73..1aed6be 100644
--- a/arch/mips/alchemy/devboards/db1300.c
+++ b/arch/mips/alchemy/devboards/db1300.c
@@ -26,12 +26,44 @@
#include <asm/mach-au1x00/au1200fb.h>
#include <asm/mach-au1x00/au1xxx_dbdma.h>
#include <asm/mach-au1x00/au1xxx_psc.h>
-#include <asm/mach-db1x00/db1300.h>
#include <asm/mach-db1x00/bcsr.h>
#include <asm/mach-au1x00/prom.h>
#include "platform.h"
+/* FPGA (external mux) interrupt sources */
+#define DB1300_FIRST_INT (ALCHEMY_GPIC_INT_LAST + 1)
+#define DB1300_IDE_INT (DB1300_FIRST_INT + 0)
+#define DB1300_ETH_INT (DB1300_FIRST_INT + 1)
+#define DB1300_CF_INT (DB1300_FIRST_INT + 2)
+#define DB1300_VIDEO_INT (DB1300_FIRST_INT + 4)
+#define DB1300_HDMI_INT (DB1300_FIRST_INT + 5)
+#define DB1300_DC_INT (DB1300_FIRST_INT + 6)
+#define DB1300_FLASH_INT (DB1300_FIRST_INT + 7)
+#define DB1300_CF_INSERT_INT (DB1300_FIRST_INT + 8)
+#define DB1300_CF_EJECT_INT (DB1300_FIRST_INT + 9)
+#define DB1300_AC97_INT (DB1300_FIRST_INT + 10)
+#define DB1300_AC97_PEN_INT (DB1300_FIRST_INT + 11)
+#define DB1300_SD1_INSERT_INT (DB1300_FIRST_INT + 12)
+#define DB1300_SD1_EJECT_INT (DB1300_FIRST_INT + 13)
+#define DB1300_OTG_VBUS_OC_INT (DB1300_FIRST_INT + 14)
+#define DB1300_HOST_VBUS_OC_INT (DB1300_FIRST_INT + 15)
+#define DB1300_LAST_INT (DB1300_FIRST_INT + 15)
+
+/* SMSC9210 CS */
+#define DB1300_ETH_PHYS_ADDR 0x19000000
+#define DB1300_ETH_PHYS_END 0x197fffff
+
+/* ATA CS */
+#define DB1300_IDE_PHYS_ADDR 0x18800000
+#define DB1300_IDE_REG_SHIFT 5
+#define DB1300_IDE_PHYS_LEN (16 << DB1300_IDE_REG_SHIFT)
+
+/* NAND CS */
+#define DB1300_NAND_PHYS_ADDR 0x20000000
+#define DB1300_NAND_PHYS_END 0x20000fff
+
+
static struct i2c_board_info db1300_i2c_devs[] __initdata = {
{ I2C_BOARD_INFO("wm8731", 0x1b), }, /* I2S audio codec */
{ I2C_BOARD_INFO("ne1619", 0x2d), }, /* adm1025-compat hwmon */
@@ -759,11 +791,15 @@
{
unsigned short whoami;
- db1300_gpio_config();
bcsr_init(DB1300_BCSR_PHYS_ADDR,
DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS);
whoami = bcsr_read(BCSR_WHOAMI);
+ if (BCSR_WHOAMI_BOARD(whoami) != BCSR_WHOAMI_DB1300)
+ return -ENODEV;
+
+ db1300_gpio_config();
+
printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t"
"BoardID %d CPLD Rev %d DaughtercardID %d\n",
BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami),
diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c
index 016cdda..bbd8d98 100644
--- a/arch/mips/alchemy/devboards/db1550.c
+++ b/arch/mips/alchemy/devboards/db1550.c
@@ -62,10 +62,16 @@
DB1550_BCSR_PHYS_ADDR + DB1550_BCSR_HEXLED_OFS);
whoami = bcsr_read(BCSR_WHOAMI); /* PB1550 hexled offset differs */
- if ((BCSR_WHOAMI_BOARD(whoami) == BCSR_WHOAMI_PB1550_SDR) ||
- (BCSR_WHOAMI_BOARD(whoami) == BCSR_WHOAMI_PB1550_DDR))
+ switch (BCSR_WHOAMI_BOARD(whoami)) {
+ case BCSR_WHOAMI_PB1550_SDR:
+ case BCSR_WHOAMI_PB1550_DDR:
bcsr_init(PB1550_BCSR_PHYS_ADDR,
PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS);
+ case BCSR_WHOAMI_DB1550:
+ break;
+ default:
+ return -ENODEV;
+ }
pr_info("Alchemy/AMD %s Board, CPLD Rev %d Board-ID %d " \
"Daughtercard ID %d\n", get_system_type(),
diff --git a/arch/mips/alchemy/devboards/db1235.c b/arch/mips/alchemy/devboards/db1xxx.c
similarity index 64%
rename from arch/mips/alchemy/devboards/db1235.c
rename to arch/mips/alchemy/devboards/db1xxx.c
index bac19dc..2d47f95 100644
--- a/arch/mips/alchemy/devboards/db1235.c
+++ b/arch/mips/alchemy/devboards/db1xxx.c
@@ -1,12 +1,13 @@
/*
- * DB1200/PB1200 / DB1550 / DB1300 board support.
- *
- * These 4 boards can reliably be supported in a single kernel image.
+ * Alchemy DB/PB1xxx board support.
*/
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-db1x00/bcsr.h>
+int __init db1000_board_setup(void);
+int __init db1000_dev_setup(void);
+int __init db1500_pci_setup(void);
int __init db1200_board_setup(void);
int __init db1200_dev_setup(void);
int __init db1300_board_setup(void);
@@ -18,6 +19,17 @@
static const char *board_type_str(void)
{
switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
+ case BCSR_WHOAMI_DB1000:
+ return "DB1000";
+ case BCSR_WHOAMI_DB1500:
+ return "DB1500";
+ case BCSR_WHOAMI_DB1100:
+ return "DB1100";
+ case BCSR_WHOAMI_PB1500:
+ case BCSR_WHOAMI_PB1500R2:
+ return "PB1500";
+ case BCSR_WHOAMI_PB1100:
+ return "PB1100";
case BCSR_WHOAMI_PB1200_DDR1:
case BCSR_WHOAMI_PB1200_DDR2:
return "PB1200";
@@ -45,6 +57,11 @@
int ret;
switch (alchemy_get_cputype()) {
+ case ALCHEMY_CPU_AU1000:
+ case ALCHEMY_CPU_AU1500:
+ case ALCHEMY_CPU_AU1100:
+ ret = db1000_board_setup();
+ break;
case ALCHEMY_CPU_AU1550:
ret = db1550_board_setup();
break;
@@ -62,7 +79,7 @@
panic("cannot initialize board support");
}
-int __init db1235_arch_init(void)
+static int __init db1xxx_arch_init(void)
{
int id = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
if (id == BCSR_WHOAMI_DB1550)
@@ -70,14 +87,24 @@
else if ((id == BCSR_WHOAMI_PB1550_SDR) ||
(id == BCSR_WHOAMI_PB1550_DDR))
return db1550_pci_setup(1);
+ else if ((id == BCSR_WHOAMI_DB1500) || (id == BCSR_WHOAMI_PB1500) ||
+ (id == BCSR_WHOAMI_PB1500R2))
+ return db1500_pci_setup();
return 0;
}
-arch_initcall(db1235_arch_init);
+arch_initcall(db1xxx_arch_init);
-int __init db1235_dev_init(void)
+static int __init db1xxx_dev_init(void)
{
switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
+ case BCSR_WHOAMI_DB1000:
+ case BCSR_WHOAMI_DB1500:
+ case BCSR_WHOAMI_DB1100:
+ case BCSR_WHOAMI_PB1500:
+ case BCSR_WHOAMI_PB1500R2:
+ case BCSR_WHOAMI_PB1100:
+ return db1000_dev_setup();
case BCSR_WHOAMI_PB1200_DDR1:
case BCSR_WHOAMI_PB1200_DDR2:
case BCSR_WHOAMI_DB1200:
@@ -91,4 +118,4 @@
}
return 0;
}
-device_initcall(db1235_dev_init);
+device_initcall(db1xxx_dev_init);
diff --git a/arch/mips/ar7/time.c b/arch/mips/ar7/time.c
index 1dc6c3b..22c9321 100644
--- a/arch/mips/ar7/time.c
+++ b/arch/mips/ar7/time.c
@@ -18,6 +18,7 @@
* Setting up the clock on the MIPS boards.
*/
+#include <linux/init.h>
#include <linux/time.h>
#include <linux/err.h>
#include <linux/clk.h>
diff --git a/arch/mips/bcm47xx/Makefile b/arch/mips/bcm47xx/Makefile
index 4688b6a..d58c51b 100644
--- a/arch/mips/bcm47xx/Makefile
+++ b/arch/mips/bcm47xx/Makefile
@@ -4,4 +4,4 @@
#
obj-y += irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
-obj-y += board.o buttons.o leds.o
+obj-y += board.o buttons.o leds.o workarounds.o
diff --git a/arch/mips/bcm47xx/bcm47xx_private.h b/arch/mips/bcm47xx/bcm47xx_private.h
index 5c94ace..0194c3b 100644
--- a/arch/mips/bcm47xx/bcm47xx_private.h
+++ b/arch/mips/bcm47xx/bcm47xx_private.h
@@ -9,4 +9,7 @@
/* leds.c */
void __init bcm47xx_leds_register(void);
+/* workarounds.c */
+void __init bcm47xx_workarounds(void);
+
#endif
diff --git a/arch/mips/bcm47xx/board.c b/arch/mips/bcm47xx/board.c
index cdd8246..44ab1be 100644
--- a/arch/mips/bcm47xx/board.c
+++ b/arch/mips/bcm47xx/board.c
@@ -72,7 +72,11 @@
{{BCM47XX_BOARD_ASUS_WL500W, "Asus WL500W"}, "WL500gW-"},
{{BCM47XX_BOARD_ASUS_WL520GC, "Asus WL520GC"}, "WL520GC-"},
{{BCM47XX_BOARD_ASUS_WL520GU, "Asus WL520GU"}, "WL520GU-"},
+ {{BCM47XX_BOARD_BELKIN_F7D3301, "Belkin F7D3301"}, "F7D3301"},
+ {{BCM47XX_BOARD_BELKIN_F7D3302, "Belkin F7D3302"}, "F7D3302"},
{{BCM47XX_BOARD_BELKIN_F7D4301, "Belkin F7D4301"}, "F7D4301"},
+ {{BCM47XX_BOARD_BELKIN_F7D4302, "Belkin F7D4302"}, "F7D4302"},
+ {{BCM47XX_BOARD_BELKIN_F7D4401, "Belkin F7D4401"}, "F7D4401"},
{ {0}, NULL},
};
@@ -176,7 +180,16 @@
{{BCM47XX_BOARD_PHICOMM_M1, "Phicomm M1"}, "0x0590", "80", "0x1104"},
{{BCM47XX_BOARD_ZTE_H218N, "ZTE H218N"}, "0x053d", "1234", "0x1305"},
{{BCM47XX_BOARD_NETGEAR_WNR3500L, "Netgear WNR3500L"}, "0x04CF", "3500", "02"},
- {{BCM47XX_BOARD_LINKSYS_WRT54GSV1, "Linksys WRT54GS V1"}, "0x0101", "42", "0x10"},
+ {{BCM47XX_BOARD_LINKSYS_WRT54G, "Linksys WRT54G/GS/GL"}, "0x0101", "42", "0x10"},
+ {{BCM47XX_BOARD_LINKSYS_WRT54G, "Linksys WRT54G/GS/GL"}, "0x0467", "42", "0x10"},
+ {{BCM47XX_BOARD_LINKSYS_WRT54G, "Linksys WRT54G/GS/GL"}, "0x0708", "42", "0x10"},
+ { {0}, NULL},
+};
+
+/* boardtype, boardrev */
+static const
+struct bcm47xx_board_type_list2 bcm47xx_board_list_board_type_rev[] __initconst = {
+ {{BCM47XX_BOARD_SIEMENS_SE505V2, "Siemens SE505 V2"}, "0x0101", "0x10"},
{ {0}, NULL},
};
@@ -273,6 +286,16 @@
return &e3->board;
}
}
+
+ if (bcm47xx_nvram_getenv("boardtype", buf1, sizeof(buf1)) >= 0 &&
+ bcm47xx_nvram_getenv("boardrev", buf2, sizeof(buf2)) >= 0 &&
+ bcm47xx_nvram_getenv("boardnum", buf3, sizeof(buf3)) == -ENOENT) {
+ for (e2 = bcm47xx_board_list_board_type_rev; e2->value1; e2++) {
+ if (!strcmp(buf1, e2->value1) &&
+ !strcmp(buf2, e2->value2))
+ return &e2->board;
+ }
+ }
return bcm47xx_board_unknown;
}
diff --git a/arch/mips/bcm47xx/buttons.c b/arch/mips/bcm47xx/buttons.c
index 872c62e..49a1ce0 100644
--- a/arch/mips/bcm47xx/buttons.c
+++ b/arch/mips/bcm47xx/buttons.c
@@ -259,6 +259,18 @@
};
static const struct gpio_keys_button
+bcm47xx_buttons_linksys_wrt54g3gv2[] __initconst = {
+ BCM47XX_GPIO_KEY(5, KEY_WIMAX),
+ BCM47XX_GPIO_KEY(6, KEY_RESTART),
+};
+
+static const struct gpio_keys_button
+bcm47xx_buttons_linksys_wrt54gsv1[] __initconst = {
+ BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
+ BCM47XX_GPIO_KEY(6, KEY_RESTART),
+};
+
+static const struct gpio_keys_button
bcm47xx_buttons_linksys_wrt610nv1[] __initconst = {
BCM47XX_GPIO_KEY(6, KEY_RESTART),
BCM47XX_GPIO_KEY(8, KEY_WPS_BUTTON),
@@ -270,6 +282,12 @@
BCM47XX_GPIO_KEY(6, KEY_RESTART),
};
+static const struct gpio_keys_button
+bcm47xx_buttons_linksys_wrtsl54gs[] __initconst = {
+ BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
+ BCM47XX_GPIO_KEY(6, KEY_RESTART),
+};
+
/* Motorola */
static const struct gpio_keys_button
@@ -402,7 +420,11 @@
err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_wlhdd);
break;
+ case BCM47XX_BOARD_BELKIN_F7D3301:
+ case BCM47XX_BOARD_BELKIN_F7D3302:
case BCM47XX_BOARD_BELKIN_F7D4301:
+ case BCM47XX_BOARD_BELKIN_F7D4302:
+ case BCM47XX_BOARD_BELKIN_F7D4401:
err = bcm47xx_copy_bdata(bcm47xx_buttons_belkin_f7d4301);
break;
@@ -479,12 +501,21 @@
case BCM47XX_BOARD_LINKSYS_WRT310NV1:
err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt310nv1);
break;
+ case BCM47XX_BOARD_LINKSYS_WRT54G:
+ err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt54gsv1);
+ break;
+ case BCM47XX_BOARD_LINKSYS_WRT54G3GV2:
+ err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt54g3gv2);
+ break;
case BCM47XX_BOARD_LINKSYS_WRT610NV1:
err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt610nv1);
break;
case BCM47XX_BOARD_LINKSYS_WRT610NV2:
err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt610nv2);
break;
+ case BCM47XX_BOARD_LINKSYS_WRTSL54GS:
+ err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrtsl54gs);
+ break;
case BCM47XX_BOARD_MOTOROLA_WE800G:
err = bcm47xx_copy_bdata(bcm47xx_buttons_motorola_we800g);
diff --git a/arch/mips/bcm47xx/leds.c b/arch/mips/bcm47xx/leds.c
index 647d155..adcb547 100644
--- a/arch/mips/bcm47xx/leds.c
+++ b/arch/mips/bcm47xx/leds.c
@@ -292,6 +292,21 @@
};
static const struct gpio_led
+bcm47xx_leds_linksys_wrt54gsv1[] __initconst = {
+ BCM47XX_GPIO_LED(0, "unk", "dmz", 1, LEDS_GPIO_DEFSTATE_OFF),
+ BCM47XX_GPIO_LED(1, "unk", "power", 0, LEDS_GPIO_DEFSTATE_ON),
+ BCM47XX_GPIO_LED(5, "white", "wps", 1, LEDS_GPIO_DEFSTATE_OFF),
+ BCM47XX_GPIO_LED(7, "orange", "wps", 1, LEDS_GPIO_DEFSTATE_OFF),
+};
+
+static const struct gpio_led
+bcm47xx_leds_linksys_wrt54g3gv2[] __initconst = {
+ BCM47XX_GPIO_LED(1, "unk", "power", 0, LEDS_GPIO_DEFSTATE_ON),
+ BCM47XX_GPIO_LED(2, "green", "3g", 0, LEDS_GPIO_DEFSTATE_OFF),
+ BCM47XX_GPIO_LED(3, "blue", "3g", 0, LEDS_GPIO_DEFSTATE_OFF),
+};
+
+static const struct gpio_led
bcm47xx_leds_linksys_wrt610nv1[] __initconst = {
BCM47XX_GPIO_LED(0, "unk", "usb", 1, LEDS_GPIO_DEFSTATE_OFF),
BCM47XX_GPIO_LED(1, "unk", "power", 0, LEDS_GPIO_DEFSTATE_OFF),
@@ -308,6 +323,15 @@
BCM47XX_GPIO_LED(7, "unk", "usb", 0, LEDS_GPIO_DEFSTATE_OFF),
};
+static const struct gpio_led
+bcm47xx_leds_linksys_wrtsl54gs[] __initconst = {
+ BCM47XX_GPIO_LED(0, "unk", "wlan", 1, LEDS_GPIO_DEFSTATE_OFF),
+ BCM47XX_GPIO_LED(1, "unk", "power", 0, LEDS_GPIO_DEFSTATE_ON),
+ BCM47XX_GPIO_LED(2, "white", "wps", 1, LEDS_GPIO_DEFSTATE_OFF),
+ BCM47XX_GPIO_LED(3, "orange", "wps", 1, LEDS_GPIO_DEFSTATE_OFF),
+ BCM47XX_GPIO_LED(7, "unk", "dmz", 1, LEDS_GPIO_DEFSTATE_OFF),
+};
+
/* Motorola */
static const struct gpio_led
@@ -359,6 +383,14 @@
BCM47XX_GPIO_LED(7, "unk", "connected", 0, LEDS_GPIO_DEFSTATE_OFF),
};
+/* Siemens */
+static const struct gpio_led
+bcm47xx_leds_siemens_se505v2[] __initconst = {
+ BCM47XX_GPIO_LED(0, "unk", "dmz", 1, LEDS_GPIO_DEFSTATE_OFF),
+ BCM47XX_GPIO_LED(3, "unk", "wlan", 1, LEDS_GPIO_DEFSTATE_OFF),
+ BCM47XX_GPIO_LED(5, "unk", "power", 1, LEDS_GPIO_DEFSTATE_ON),
+};
+
/* SimpleTech */
static const struct gpio_led
@@ -425,7 +457,11 @@
bcm47xx_set_pdata(bcm47xx_leds_asus_wlhdd);
break;
+ case BCM47XX_BOARD_BELKIN_F7D3301:
+ case BCM47XX_BOARD_BELKIN_F7D3302:
case BCM47XX_BOARD_BELKIN_F7D4301:
+ case BCM47XX_BOARD_BELKIN_F7D4302:
+ case BCM47XX_BOARD_BELKIN_F7D4401:
bcm47xx_set_pdata(bcm47xx_leds_belkin_f7d4301);
break;
@@ -502,12 +538,21 @@
case BCM47XX_BOARD_LINKSYS_WRT310NV1:
bcm47xx_set_pdata(bcm47xx_leds_linksys_wrt310nv1);
break;
+ case BCM47XX_BOARD_LINKSYS_WRT54G:
+ bcm47xx_set_pdata(bcm47xx_leds_linksys_wrt54gsv1);
+ break;
+ case BCM47XX_BOARD_LINKSYS_WRT54G3GV2:
+ bcm47xx_set_pdata(bcm47xx_leds_linksys_wrt54g3gv2);
+ break;
case BCM47XX_BOARD_LINKSYS_WRT610NV1:
bcm47xx_set_pdata(bcm47xx_leds_linksys_wrt610nv1);
break;
case BCM47XX_BOARD_LINKSYS_WRT610NV2:
bcm47xx_set_pdata(bcm47xx_leds_linksys_wrt610nv2);
break;
+ case BCM47XX_BOARD_LINKSYS_WRTSL54GS:
+ bcm47xx_set_pdata(bcm47xx_leds_linksys_wrtsl54gs);
+ break;
case BCM47XX_BOARD_MOTOROLA_WE800G:
bcm47xx_set_pdata(bcm47xx_leds_motorola_we800g);
@@ -529,6 +574,10 @@
bcm47xx_set_pdata(bcm47xx_leds_netgear_wnr834bv2);
break;
+ case BCM47XX_BOARD_SIEMENS_SE505V2:
+ bcm47xx_set_pdata(bcm47xx_leds_siemens_se505v2);
+ break;
+
case BCM47XX_BOARD_SIMPLETECH_SIMPLESHARE:
bcm47xx_set_pdata(bcm47xx_leds_simpletech_simpleshare);
break;
diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
index 025be21..63a4b0e 100644
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -212,7 +212,7 @@
{
struct cpuinfo_mips *c = ¤t_cpu_data;
- if (c->cputype == CPU_74K) {
+ if ((c->cputype == CPU_74K) || (c->cputype == CPU_1074K)) {
printk(KERN_INFO "bcm47xx: using bcma bus\n");
#ifdef CONFIG_BCM47XX_BCMA
bcm47xx_bus_type = BCM47XX_BUS_TYPE_BCMA;
@@ -282,6 +282,7 @@
}
bcm47xx_buttons_register();
bcm47xx_leds_register();
+ bcm47xx_workarounds();
fixed_phy_add(PHY_POLL, 0, &bcm47xx_fixed_phy_status);
return 0;
diff --git a/arch/mips/bcm47xx/workarounds.c b/arch/mips/bcm47xx/workarounds.c
new file mode 100644
index 0000000..e81ce462
--- /dev/null
+++ b/arch/mips/bcm47xx/workarounds.c
@@ -0,0 +1,31 @@
+#include "bcm47xx_private.h"
+
+#include <linux/gpio.h>
+#include <bcm47xx_board.h>
+#include <bcm47xx.h>
+
+static void __init bcm47xx_workarounds_netgear_wnr3500l(void)
+{
+ const int usb_power = 12;
+ int err;
+
+ err = gpio_request_one(usb_power, GPIOF_OUT_INIT_HIGH, "usb_power");
+ if (err)
+ pr_err("Failed to request USB power gpio: %d\n", err);
+ else
+ gpio_free(usb_power);
+}
+
+void __init bcm47xx_workarounds(void)
+{
+ enum bcm47xx_board board = bcm47xx_board_get();
+
+ switch (board) {
+ case BCM47XX_BOARD_NETGEAR_WNR3500L:
+ bcm47xx_workarounds_netgear_wnr3500l();
+ break;
+ default:
+ /* No workaround(s) needed */
+ break;
+ }
+}
diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c
index 1b1b8a8..fd4e76c 100644
--- a/arch/mips/bcm63xx/cpu.c
+++ b/arch/mips/bcm63xx/cpu.c
@@ -299,14 +299,13 @@
void __init bcm63xx_cpu_init(void)
{
unsigned int tmp;
- struct cpuinfo_mips *c = ¤t_cpu_data;
unsigned int cpu = smp_processor_id();
u32 chipid_reg;
/* soc registers location depends on cpu type */
chipid_reg = 0;
- switch (c->cputype) {
+ switch (current_cpu_type()) {
case CPU_BMIPS3300:
if ((read_c0_prid() & PRID_IMP_MASK) != PRID_IMP_BMIPS3300_ALT)
__cpu_name[cpu] = "Broadcom BCM6338";
diff --git a/arch/mips/configs/db1000_defconfig b/arch/mips/configs/db1000_defconfig
deleted file mode 100644
index bac26b9..0000000
--- a/arch/mips/configs/db1000_defconfig
+++ /dev/null
@@ -1,359 +0,0 @@
-CONFIG_MIPS=y
-CONFIG_MIPS_ALCHEMY=y
-CONFIG_MIPS_DB1000=y
-CONFIG_SCHED_OMIT_FRAME_POINTER=y
-CONFIG_TICK_ONESHOT=y
-CONFIG_NO_HZ=y
-CONFIG_HIGH_RES_TIMERS=y
-CONFIG_HZ_100=y
-CONFIG_HZ=100
-CONFIG_PREEMPT_NONE=y
-CONFIG_EXPERIMENTAL=y
-CONFIG_BROKEN_ON_SMP=y
-CONFIG_INIT_ENV_ARG_LIMIT=32
-CONFIG_CROSS_COMPILE=""
-CONFIG_LOCALVERSION="-db1x00"
-CONFIG_LOCALVERSION_AUTO=y
-CONFIG_KERNEL_LZMA=y
-CONFIG_DEFAULT_HOSTNAME="db1x00"
-CONFIG_SWAP=y
-CONFIG_SYSVIPC=y
-CONFIG_SYSVIPC_SYSCTL=y
-CONFIG_FHANDLE=y
-CONFIG_AUDIT=y
-CONFIG_TINY_RCU=y
-CONFIG_LOG_BUF_SHIFT=18
-CONFIG_NAMESPACES=y
-CONFIG_UTS_NS=y
-CONFIG_IPC_NS=y
-CONFIG_USER_NS=y
-CONFIG_PID_NS=y
-CONFIG_NET_NS=y
-CONFIG_SYSCTL=y
-CONFIG_EXPERT=y
-CONFIG_KALLSYMS=y
-CONFIG_KALLSYMS_ALL=y
-CONFIG_HOTPLUG=y
-CONFIG_PRINTK=y
-CONFIG_BUG=y
-CONFIG_ELF_CORE=y
-CONFIG_BASE_FULL=y
-CONFIG_FUTEX=y
-CONFIG_EPOLL=y
-CONFIG_SIGNALFD=y
-CONFIG_TIMERFD=y
-CONFIG_EVENTFD=y
-CONFIG_SHMEM=y
-CONFIG_AIO=y
-CONFIG_EMBEDDED=y
-CONFIG_HAVE_PERF_EVENTS=y
-CONFIG_PERF_USE_VMALLOC=y
-CONFIG_PCI_QUIRKS=y
-CONFIG_SLAB=y
-CONFIG_SLABINFO=y
-CONFIG_BLOCK=y
-CONFIG_LBDAF=y
-CONFIG_BLK_DEV_BSG=y
-CONFIG_BLK_DEV_BSGLIB=y
-CONFIG_IOSCHED_NOOP=y
-CONFIG_DEFAULT_NOOP=y
-CONFIG_DEFAULT_IOSCHED="noop"
-CONFIG_FREEZER=y
-CONFIG_PCI=y
-CONFIG_PCI_DOMAINS=y
-CONFIG_PCCARD=y
-CONFIG_PCMCIA=y
-CONFIG_PCMCIA_LOAD_CIS=y
-CONFIG_PCMCIA_ALCHEMY_DEVBOARD=y
-CONFIG_BINFMT_ELF=y
-CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
-CONFIG_SUSPEND=y
-CONFIG_SUSPEND_FREEZER=y
-CONFIG_PM_SLEEP=y
-CONFIG_PM_RUNTIME=y
-CONFIG_PM=y
-CONFIG_NET=y
-CONFIG_PACKET=y
-CONFIG_UNIX=y
-CONFIG_XFRM=y
-CONFIG_INET=y
-CONFIG_IP_MULTICAST=y
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
-CONFIG_IP_PNP_BOOTP=y
-CONFIG_IP_PNP_RARP=y
-CONFIG_NET_IPIP=y
-CONFIG_INET_TUNNEL=y
-CONFIG_INET_LRO=y
-CONFIG_TCP_CONG_CUBIC=y
-CONFIG_DEFAULT_TCP_CONG="cubic"
-CONFIG_IPV6=y
-CONFIG_INET6_XFRM_MODE_TRANSPORT=y
-CONFIG_INET6_XFRM_MODE_TUNNEL=y
-CONFIG_INET6_XFRM_MODE_BEET=y
-CONFIG_IPV6_SIT=y
-CONFIG_IPV6_NDISC_NODETYPE=y
-CONFIG_STP=y
-CONFIG_GARP=y
-CONFIG_BRIDGE=y
-CONFIG_BRIDGE_IGMP_SNOOPING=y
-CONFIG_VLAN_8021Q=y
-CONFIG_VLAN_8021Q_GVRP=y
-CONFIG_LLC=y
-CONFIG_LLC2=y
-CONFIG_DNS_RESOLVER=y
-CONFIG_BT=y
-CONFIG_BT_L2CAP=y
-CONFIG_BT_SCO=y
-CONFIG_BT_RFCOMM=y
-CONFIG_BT_RFCOMM_TTY=y
-CONFIG_BT_BNEP=y
-CONFIG_BT_BNEP_MC_FILTER=y
-CONFIG_BT_BNEP_PROTO_FILTER=y
-CONFIG_BT_HIDP=y
-CONFIG_BT_HCIBTUSB=y
-CONFIG_UEVENT_HELPER_PATH=""
-CONFIG_STANDALONE=y
-CONFIG_PREVENT_FIRMWARE_BUILD=y
-CONFIG_FW_LOADER=y
-CONFIG_MTD=y
-CONFIG_MTD_CMDLINE_PARTS=y
-CONFIG_MTD_CHAR=y
-CONFIG_MTD_BLKDEVS=y
-CONFIG_MTD_BLOCK=y
-CONFIG_MTD_CFI=y
-CONFIG_MTD_GEN_PROBE=y
-CONFIG_MTD_CFI_ADV_OPTIONS=y
-CONFIG_MTD_CFI_NOSWAP=y
-CONFIG_MTD_CFI_GEOMETRY=y
-CONFIG_MTD_MAP_BANK_WIDTH_1=y
-CONFIG_MTD_MAP_BANK_WIDTH_2=y
-CONFIG_MTD_MAP_BANK_WIDTH_4=y
-CONFIG_MTD_CFI_I1=y
-CONFIG_MTD_CFI_I2=y
-CONFIG_MTD_CFI_I4=y
-CONFIG_MTD_CFI_I8=y
-CONFIG_MTD_CFI_INTELEXT=y
-CONFIG_MTD_CFI_AMDSTD=y
-CONFIG_MTD_CFI_UTIL=y
-CONFIG_MTD_PHYSMAP=y
-CONFIG_SCSI_MOD=y
-CONFIG_SCSI=y
-CONFIG_SCSI_DMA=y
-CONFIG_SCSI_PROC_FS=y
-CONFIG_BLK_DEV_SD=y
-CONFIG_CHR_DEV_SG=y
-CONFIG_SCSI_MULTI_LUN=y
-CONFIG_SCSI_CONSTANTS=y
-CONFIG_ATA=y
-CONFIG_ATA_VERBOSE_ERROR=y
-CONFIG_ATA_SFF=y
-CONFIG_ATA_BMDMA=y
-CONFIG_PATA_HPT37X=y
-CONFIG_PATA_PCMCIA=y
-CONFIG_MD=y
-CONFIG_BLK_DEV_DM=y
-CONFIG_FIREWIRE=y
-CONFIG_FIREWIRE_OHCI=y
-CONFIG_FIREWIRE_OHCI_DEBUG=y
-CONFIG_FIREWIRE_NET=y
-CONFIG_NETDEVICES=y
-CONFIG_MII=y
-CONFIG_PHYLIB=y
-CONFIG_NET_ETHERNET=y
-CONFIG_MIPS_AU1X00_ENET=y
-CONFIG_NET_PCMCIA=y
-CONFIG_PCMCIA_3C589=y
-CONFIG_PCMCIA_PCNET=y
-CONFIG_PPP=y
-CONFIG_PPP_MULTILINK=y
-CONFIG_PPP_FILTER=y
-CONFIG_PPP_ASYNC=y
-CONFIG_PPP_SYNC_TTY=y
-CONFIG_PPP_DEFLATE=y
-CONFIG_PPP_BSDCOMP=y
-CONFIG_PPP_MPPE=y
-CONFIG_PPPOE=y
-CONFIG_INPUT=y
-CONFIG_INPUT_EVDEV=y
-CONFIG_INPUT_MISC=y
-CONFIG_INPUT_UINPUT=y
-CONFIG_VT=y
-CONFIG_CONSOLE_TRANSLATIONS=y
-CONFIG_VT_CONSOLE=y
-CONFIG_HW_CONSOLE=y
-CONFIG_UNIX98_PTYS=y
-CONFIG_DEVPTS_MULTIPLE_INSTANCES=y
-CONFIG_DEVKMEM=y
-CONFIG_SERIAL_8250=y
-CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_NR_UARTS=4
-CONFIG_SERIAL_8250_RUNTIME_UARTS=4
-CONFIG_SERIAL_CORE=y
-CONFIG_SERIAL_CORE_CONSOLE=y
-CONFIG_TTY_PRINTK=y
-CONFIG_DEVPORT=y
-CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
-CONFIG_FB=y
-CONFIG_FB_CFB_FILLRECT=y
-CONFIG_FB_CFB_COPYAREA=y
-CONFIG_FB_CFB_IMAGEBLIT=y
-CONFIG_FB_AU1100=y
-CONFIG_DUMMY_CONSOLE=y
-CONFIG_FRAMEBUFFER_CONSOLE=y
-CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
-CONFIG_FONTS=y
-CONFIG_FONT_8x16=y
-CONFIG_SOUND=y
-CONFIG_SND=y
-CONFIG_SND_TIMER=y
-CONFIG_SND_PCM=y
-CONFIG_SND_JACK=y
-CONFIG_SND_SEQUENCER=y
-CONFIG_SND_HRTIMER=y
-CONFIG_SND_SEQ_HRTIMER_DEFAULT=y
-CONFIG_SND_DYNAMIC_MINORS=y
-CONFIG_SND_VMASTER=y
-CONFIG_SND_AC97_CODEC=y
-CONFIG_SND_SOC=y
-CONFIG_SND_SOC_AC97_BUS=y
-CONFIG_SND_SOC_AU1XAUDIO=y
-CONFIG_SND_SOC_AU1XAC97C=y
-CONFIG_SND_SOC_DB1000=y
-CONFIG_SND_SOC_AC97_CODEC=y
-CONFIG_AC97_BUS=y
-CONFIG_HID_SUPPORT=y
-CONFIG_HID=y
-CONFIG_HIDRAW=y
-CONFIG_USB_HID=y
-CONFIG_USB_SUPPORT=y
-CONFIG_USB=y
-CONFIG_USB_EHCI_HCD=y
-CONFIG_USB_EHCI_ROOT_HUB_TT=y
-CONFIG_USB_EHCI_TT_NEWSCHED=y
-CONFIG_USB_OHCI_HCD=y
-CONFIG_USB_OHCI_HCD_PLATFORM=y
-CONFIG_USB_UHCI_HCD=y
-CONFIG_USB_STORAGE=y
-CONFIG_NEW_LEDS=y
-CONFIG_LEDS_CLASS=y
-CONFIG_LEDS_TRIGGERS=y
-CONFIG_RTC_LIB=y
-CONFIG_RTC_CLASS=y
-CONFIG_RTC_HCTOSYS=y
-CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
-CONFIG_RTC_INTF_SYSFS=y
-CONFIG_RTC_INTF_PROC=y
-CONFIG_RTC_INTF_DEV=y
-CONFIG_RTC_DRV_AU1XXX=y
-CONFIG_EXT4_FS=y
-CONFIG_EXT4_USE_FOR_EXT23=y
-CONFIG_EXT4_FS_XATTR=y
-CONFIG_EXT4_FS_POSIX_ACL=y
-CONFIG_EXT4_FS_SECURITY=y
-CONFIG_JBD2=y
-CONFIG_FS_MBCACHE=y
-CONFIG_FS_POSIX_ACL=y
-CONFIG_EXPORTFS=y
-CONFIG_FILE_LOCKING=y
-CONFIG_FSNOTIFY=y
-CONFIG_DNOTIFY=y
-CONFIG_INOTIFY_USER=y
-CONFIG_GENERIC_ACL=y
-CONFIG_PROC_FS=y
-CONFIG_PROC_KCORE=y
-CONFIG_PROC_SYSCTL=y
-CONFIG_SYSFS=y
-CONFIG_TMPFS=y
-CONFIG_TMPFS_POSIX_ACL=y
-CONFIG_TMPFS_XATTR=y
-CONFIG_MISC_FILESYSTEMS=y
-CONFIG_JFFS2_FS=y
-CONFIG_JFFS2_FS_DEBUG=0
-CONFIG_JFFS2_FS_WRITEBUFFER=y
-CONFIG_JFFS2_SUMMARY=y
-CONFIG_JFFS2_FS_XATTR=y
-CONFIG_JFFS2_FS_POSIX_ACL=y
-CONFIG_JFFS2_FS_SECURITY=y
-CONFIG_JFFS2_COMPRESSION_OPTIONS=y
-CONFIG_JFFS2_ZLIB=y
-CONFIG_JFFS2_LZO=y
-CONFIG_JFFS2_RTIME=y
-CONFIG_JFFS2_RUBIN=y
-CONFIG_JFFS2_CMODE_PRIORITY=y
-CONFIG_SQUASHFS=y
-CONFIG_SQUASHFS_ZLIB=y
-CONFIG_SQUASHFS_LZO=y
-CONFIG_SQUASHFS_XZ=y
-CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE=3
-CONFIG_NETWORK_FILESYSTEMS=y
-CONFIG_NFS_FS=y
-CONFIG_NFS_V3=y
-CONFIG_NFS_V4=y
-CONFIG_NFS_V4_1=y
-CONFIG_PNFS_FILE_LAYOUT=y
-CONFIG_PNFS_BLOCK=y
-CONFIG_ROOT_NFS=y
-CONFIG_NFS_USE_KERNEL_DNS=y
-CONFIG_NFS_USE_NEW_IDMAPPER=y
-CONFIG_NFSD=y
-CONFIG_NFSD_V2_ACL=y
-CONFIG_NFSD_V3=y
-CONFIG_NFSD_V3_ACL=y
-CONFIG_NFSD_V4=y
-CONFIG_LOCKD=y
-CONFIG_LOCKD_V4=y
-CONFIG_NFS_ACL_SUPPORT=y
-CONFIG_NFS_COMMON=y
-CONFIG_SUNRPC=y
-CONFIG_SUNRPC_GSS=y
-CONFIG_SUNRPC_BACKCHANNEL=y
-CONFIG_MSDOS_PARTITION=y
-CONFIG_NLS=y
-CONFIG_NLS_DEFAULT="iso8859-1"
-CONFIG_NLS_CODEPAGE_437=y
-CONFIG_NLS_CODEPAGE_850=y
-CONFIG_NLS_CODEPAGE_1250=y
-CONFIG_NLS_ASCII=y
-CONFIG_NLS_ISO8859_1=y
-CONFIG_NLS_ISO8859_15=y
-CONFIG_NLS_UTF8=y
-CONFIG_HAVE_ARCH_KGDB=y
-CONFIG_EARLY_PRINTK=y
-CONFIG_CMDLINE_BOOL=y
-CONFIG_CMDLINE="noirqdebug rootwait root=/dev/sda1 rootfstype=ext4 console=ttyS0,115200 video=au1100fb:panel:CRT_800x600_16"
-CONFIG_DEBUG_ZBOOT=y
-CONFIG_KEYS=y
-CONFIG_KEYS_DEBUG_PROC_KEYS=y
-CONFIG_SECURITYFS=y
-CONFIG_DEFAULT_SECURITY_DAC=y
-CONFIG_DEFAULT_SECURITY=""
-CONFIG_CRYPTO=y
-CONFIG_CRYPTO_ALGAPI=y
-CONFIG_CRYPTO_ALGAPI2=y
-CONFIG_CRYPTO_AEAD2=y
-CONFIG_CRYPTO_BLKCIPHER=y
-CONFIG_CRYPTO_BLKCIPHER2=y
-CONFIG_CRYPTO_HASH=y
-CONFIG_CRYPTO_HASH2=y
-CONFIG_CRYPTO_RNG=y
-CONFIG_CRYPTO_RNG2=y
-CONFIG_CRYPTO_PCOMP2=y
-CONFIG_CRYPTO_MANAGER=y
-CONFIG_CRYPTO_MANAGER2=y
-CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y
-CONFIG_CRYPTO_WORKQUEUE=y
-CONFIG_CRYPTO_ECB=y
-CONFIG_CRYPTO_SHA1=y
-CONFIG_CRYPTO_AES=y
-CONFIG_CRYPTO_ANSI_CPRNG=y
-CONFIG_BITREVERSE=y
-CONFIG_CRC_CCITT=y
-CONFIG_CRC16=y
-CONFIG_CRC_ITU_T=y
-CONFIG_CRC32=y
-CONFIG_ZLIB_INFLATE=y
-CONFIG_ZLIB_DEFLATE=y
-CONFIG_LZO_COMPRESS=y
-CONFIG_LZO_DECOMPRESS=y
-CONFIG_XZ_DEC=y
diff --git a/arch/mips/configs/db1235_defconfig b/arch/mips/configs/db1235_defconfig
deleted file mode 100644
index 28e49f2..0000000
--- a/arch/mips/configs/db1235_defconfig
+++ /dev/null
@@ -1,434 +0,0 @@
-CONFIG_MIPS_ALCHEMY=y
-CONFIG_MIPS_DB1235=y
-CONFIG_COMPACTION=y
-CONFIG_KSM=y
-CONFIG_HZ_100=y
-CONFIG_EXPERIMENTAL=y
-CONFIG_LOCALVERSION="-db1235"
-CONFIG_KERNEL_LZMA=y
-CONFIG_DEFAULT_HOSTNAME="db1235"
-CONFIG_SYSVIPC=y
-CONFIG_POSIX_MQUEUE=y
-CONFIG_BSD_PROCESS_ACCT=y
-CONFIG_BSD_PROCESS_ACCT_V3=y
-CONFIG_FHANDLE=y
-CONFIG_TASKSTATS=y
-CONFIG_TASK_DELAY_ACCT=y
-CONFIG_AUDIT=y
-CONFIG_AUDIT_LOGINUID_IMMUTABLE=y
-CONFIG_NO_HZ=y
-CONFIG_HIGH_RES_TIMERS=y
-CONFIG_LOG_BUF_SHIFT=16
-CONFIG_NAMESPACES=y
-CONFIG_EMBEDDED=y
-CONFIG_SLAB=y
-CONFIG_JUMP_LABEL=y
-CONFIG_PARTITION_ADVANCED=y
-CONFIG_LDM_PARTITION=y
-CONFIG_EFI_PARTITION=y
-CONFIG_PCI=y
-CONFIG_PCCARD=y
-CONFIG_PCMCIA_ALCHEMY_DEVBOARD=y
-CONFIG_PM_RUNTIME=y
-CONFIG_NET=y
-CONFIG_PACKET=y
-CONFIG_UNIX=y
-CONFIG_UNIX_DIAG=y
-CONFIG_XFRM_USER=y
-CONFIG_INET=y
-CONFIG_IP_MULTICAST=y
-CONFIG_IP_ADVANCED_ROUTER=y
-CONFIG_IP_MULTIPLE_TABLES=y
-CONFIG_IP_ROUTE_MULTIPATH=y
-CONFIG_IP_ROUTE_VERBOSE=y
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
-CONFIG_IP_PNP_BOOTP=y
-CONFIG_IP_PNP_RARP=y
-CONFIG_NET_IPIP=y
-CONFIG_NET_IPGRE_DEMUX=y
-CONFIG_NET_IPGRE=y
-CONFIG_NET_IPGRE_BROADCAST=y
-CONFIG_IP_MROUTE=y
-CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
-CONFIG_IP_PIMSM_V1=y
-CONFIG_IP_PIMSM_V2=y
-CONFIG_ARPD=y
-CONFIG_SYN_COOKIES=y
-CONFIG_NET_IPVTI=y
-CONFIG_INET_AH=y
-CONFIG_INET_ESP=y
-CONFIG_INET_IPCOMP=y
-CONFIG_INET_UDP_DIAG=y
-CONFIG_TCP_CONG_ADVANCED=y
-CONFIG_TCP_CONG_HSTCP=y
-CONFIG_TCP_CONG_HYBLA=y
-CONFIG_TCP_CONG_SCALABLE=y
-CONFIG_TCP_CONG_LP=y
-CONFIG_TCP_CONG_VENO=y
-CONFIG_TCP_CONG_YEAH=y
-CONFIG_TCP_CONG_ILLINOIS=y
-CONFIG_DEFAULT_HYBLA=y
-CONFIG_TCP_MD5SIG=y
-CONFIG_IPV6_PRIVACY=y
-CONFIG_IPV6_ROUTER_PREF=y
-CONFIG_IPV6_ROUTE_INFO=y
-CONFIG_IPV6_OPTIMISTIC_DAD=y
-CONFIG_INET6_AH=y
-CONFIG_INET6_ESP=y
-CONFIG_INET6_IPCOMP=y
-CONFIG_IPV6_MIP6=y
-CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=y
-CONFIG_IPV6_SIT_6RD=y
-CONFIG_IPV6_TUNNEL=y
-CONFIG_IPV6_MULTIPLE_TABLES=y
-CONFIG_IPV6_SUBTREES=y
-CONFIG_IPV6_MROUTE=y
-CONFIG_IPV6_MROUTE_MULTIPLE_TABLES=y
-CONFIG_IPV6_PIMSM_V2=y
-CONFIG_NETFILTER=y
-CONFIG_NF_CONNTRACK=y
-CONFIG_NF_CONNTRACK_EVENTS=y
-CONFIG_NF_CONNTRACK_TIMEOUT=y
-CONFIG_NF_CONNTRACK_TIMESTAMP=y
-CONFIG_NF_CT_PROTO_DCCP=y
-CONFIG_NF_CT_PROTO_SCTP=y
-CONFIG_NF_CT_PROTO_UDPLITE=y
-CONFIG_NF_CONNTRACK_AMANDA=y
-CONFIG_NF_CONNTRACK_FTP=y
-CONFIG_NF_CONNTRACK_H323=y
-CONFIG_NF_CONNTRACK_IRC=y
-CONFIG_NF_CONNTRACK_NETBIOS_NS=y
-CONFIG_NF_CONNTRACK_SNMP=y
-CONFIG_NF_CONNTRACK_PPTP=y
-CONFIG_NF_CONNTRACK_SANE=y
-CONFIG_NF_CONNTRACK_SIP=y
-CONFIG_NF_CONNTRACK_TFTP=y
-CONFIG_NF_CT_NETLINK=y
-CONFIG_NF_CT_NETLINK_TIMEOUT=y
-CONFIG_NF_CT_NETLINK_HELPER=y
-CONFIG_NETFILTER_NETLINK_QUEUE_CT=y
-CONFIG_NETFILTER_XT_TARGET_CLASSIFY=y
-CONFIG_NETFILTER_XT_TARGET_CONNMARK=y
-CONFIG_NETFILTER_XT_TARGET_HMARK=y
-CONFIG_NETFILTER_XT_TARGET_IDLETIMER=y
-CONFIG_NETFILTER_XT_TARGET_LED=y
-CONFIG_NETFILTER_XT_TARGET_LOG=y
-CONFIG_NETFILTER_XT_TARGET_MARK=y
-CONFIG_NETFILTER_XT_TARGET_NFLOG=y
-CONFIG_NETFILTER_XT_TARGET_NFQUEUE=y
-CONFIG_NETFILTER_XT_TARGET_TEE=y
-CONFIG_NETFILTER_XT_TARGET_TCPMSS=y
-CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=y
-CONFIG_NETFILTER_XT_MATCH_CLUSTER=y
-CONFIG_NETFILTER_XT_MATCH_COMMENT=y
-CONFIG_NETFILTER_XT_MATCH_CONNBYTES=y
-CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=y
-CONFIG_NETFILTER_XT_MATCH_CONNMARK=y
-CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
-CONFIG_NETFILTER_XT_MATCH_CPU=y
-CONFIG_NETFILTER_XT_MATCH_DCCP=y
-CONFIG_NETFILTER_XT_MATCH_DEVGROUP=y
-CONFIG_NETFILTER_XT_MATCH_DSCP=y
-CONFIG_NETFILTER_XT_MATCH_ESP=y
-CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=y
-CONFIG_NETFILTER_XT_MATCH_HELPER=y
-CONFIG_NETFILTER_XT_MATCH_IPRANGE=y
-CONFIG_NETFILTER_XT_MATCH_LENGTH=y
-CONFIG_NETFILTER_XT_MATCH_LIMIT=y
-CONFIG_NETFILTER_XT_MATCH_MAC=y
-CONFIG_NETFILTER_XT_MATCH_MARK=y
-CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y
-CONFIG_NETFILTER_XT_MATCH_NFACCT=y
-CONFIG_NETFILTER_XT_MATCH_OSF=y
-CONFIG_NETFILTER_XT_MATCH_OWNER=y
-CONFIG_NETFILTER_XT_MATCH_POLICY=y
-CONFIG_NETFILTER_XT_MATCH_PHYSDEV=y
-CONFIG_NETFILTER_XT_MATCH_PKTTYPE=y
-CONFIG_NETFILTER_XT_MATCH_QUOTA=y
-CONFIG_NETFILTER_XT_MATCH_RATEEST=y
-CONFIG_NETFILTER_XT_MATCH_REALM=y
-CONFIG_NETFILTER_XT_MATCH_RECENT=y
-CONFIG_NETFILTER_XT_MATCH_SCTP=y
-CONFIG_NETFILTER_XT_MATCH_STATE=y
-CONFIG_NETFILTER_XT_MATCH_STATISTIC=y
-CONFIG_NETFILTER_XT_MATCH_STRING=y
-CONFIG_NETFILTER_XT_MATCH_TCPMSS=y
-CONFIG_NETFILTER_XT_MATCH_TIME=y
-CONFIG_NETFILTER_XT_MATCH_U32=y
-CONFIG_NF_CONNTRACK_IPV4=y
-CONFIG_IP_NF_IPTABLES=y
-CONFIG_IP_NF_MATCH_AH=y
-CONFIG_IP_NF_MATCH_ECN=y
-CONFIG_IP_NF_MATCH_RPFILTER=y
-CONFIG_IP_NF_MATCH_TTL=y
-CONFIG_IP_NF_FILTER=y
-CONFIG_IP_NF_TARGET_REJECT=y
-CONFIG_IP_NF_TARGET_ULOG=y
-CONFIG_NF_NAT=y
-CONFIG_IP_NF_TARGET_MASQUERADE=y
-CONFIG_IP_NF_TARGET_NETMAP=y
-CONFIG_IP_NF_TARGET_REDIRECT=y
-CONFIG_IP_NF_MANGLE=y
-CONFIG_IP_NF_TARGET_CLUSTERIP=y
-CONFIG_IP_NF_TARGET_ECN=y
-CONFIG_IP_NF_TARGET_TTL=y
-CONFIG_IP_NF_RAW=y
-CONFIG_IP_NF_ARPTABLES=y
-CONFIG_IP_NF_ARPFILTER=y
-CONFIG_IP_NF_ARP_MANGLE=y
-CONFIG_NF_CONNTRACK_IPV6=y
-CONFIG_IP6_NF_IPTABLES=y
-CONFIG_IP6_NF_MATCH_AH=y
-CONFIG_IP6_NF_MATCH_EUI64=y
-CONFIG_IP6_NF_MATCH_FRAG=y
-CONFIG_IP6_NF_MATCH_OPTS=y
-CONFIG_IP6_NF_MATCH_HL=y
-CONFIG_IP6_NF_MATCH_IPV6HEADER=y
-CONFIG_IP6_NF_MATCH_MH=y
-CONFIG_IP6_NF_MATCH_RPFILTER=y
-CONFIG_IP6_NF_MATCH_RT=y
-CONFIG_IP6_NF_TARGET_HL=y
-CONFIG_IP6_NF_FILTER=y
-CONFIG_IP6_NF_TARGET_REJECT=y
-CONFIG_IP6_NF_MANGLE=y
-CONFIG_IP6_NF_RAW=y
-CONFIG_BRIDGE_NF_EBTABLES=y
-CONFIG_BRIDGE_EBT_BROUTE=y
-CONFIG_BRIDGE_EBT_T_FILTER=y
-CONFIG_BRIDGE_EBT_T_NAT=y
-CONFIG_BRIDGE_EBT_802_3=y
-CONFIG_BRIDGE_EBT_AMONG=y
-CONFIG_BRIDGE_EBT_ARP=y
-CONFIG_BRIDGE_EBT_IP=y
-CONFIG_BRIDGE_EBT_IP6=y
-CONFIG_BRIDGE_EBT_LIMIT=y
-CONFIG_BRIDGE_EBT_MARK=y
-CONFIG_BRIDGE_EBT_PKTTYPE=y
-CONFIG_BRIDGE_EBT_STP=y
-CONFIG_BRIDGE_EBT_VLAN=y
-CONFIG_BRIDGE_EBT_ARPREPLY=y
-CONFIG_BRIDGE_EBT_DNAT=y
-CONFIG_BRIDGE_EBT_MARK_T=y
-CONFIG_BRIDGE_EBT_REDIRECT=y
-CONFIG_BRIDGE_EBT_SNAT=y
-CONFIG_BRIDGE_EBT_LOG=y
-CONFIG_BRIDGE_EBT_NFLOG=y
-CONFIG_L2TP=y
-CONFIG_L2TP_V3=y
-CONFIG_L2TP_IP=y
-CONFIG_L2TP_ETH=y
-CONFIG_BRIDGE=y
-CONFIG_VLAN_8021Q=y
-CONFIG_VLAN_8021Q_GVRP=y
-CONFIG_LLC2=y
-CONFIG_NET_SCHED=y
-CONFIG_NET_SCH_CBQ=y
-CONFIG_NET_SCH_HTB=y
-CONFIG_NET_SCH_HFSC=y
-CONFIG_NET_SCH_PRIO=y
-CONFIG_NET_SCH_MULTIQ=y
-CONFIG_NET_SCH_RED=y
-CONFIG_NET_SCH_SFB=y
-CONFIG_NET_SCH_SFQ=y
-CONFIG_NET_SCH_TEQL=y
-CONFIG_NET_SCH_TBF=y
-CONFIG_NET_SCH_GRED=y
-CONFIG_NET_SCH_DSMARK=y
-CONFIG_NET_SCH_NETEM=y
-CONFIG_NET_SCH_DRR=y
-CONFIG_NET_SCH_MQPRIO=y
-CONFIG_NET_SCH_CHOKE=y
-CONFIG_NET_SCH_QFQ=y
-CONFIG_NET_SCH_CODEL=y
-CONFIG_NET_SCH_FQ_CODEL=y
-CONFIG_NET_SCH_INGRESS=y
-CONFIG_NET_SCH_PLUG=y
-CONFIG_NET_CLS_BASIC=y
-CONFIG_NET_CLS_TCINDEX=y
-CONFIG_NET_CLS_ROUTE4=y
-CONFIG_NET_CLS_FW=y
-CONFIG_NET_CLS_U32=y
-CONFIG_CLS_U32_PERF=y
-CONFIG_CLS_U32_MARK=y
-CONFIG_NET_CLS_RSVP=y
-CONFIG_NET_CLS_RSVP6=y
-CONFIG_NET_CLS_FLOW=y
-CONFIG_NET_EMATCH=y
-CONFIG_NET_EMATCH_CMP=y
-CONFIG_NET_EMATCH_NBYTE=y
-CONFIG_NET_EMATCH_U32=y
-CONFIG_NET_EMATCH_META=y
-CONFIG_NET_EMATCH_TEXT=y
-CONFIG_NET_CLS_ACT=y
-CONFIG_NET_ACT_POLICE=y
-CONFIG_NET_ACT_GACT=y
-CONFIG_GACT_PROB=y
-CONFIG_NET_ACT_MIRRED=y
-CONFIG_NET_ACT_NAT=y
-CONFIG_NET_ACT_PEDIT=y
-CONFIG_NET_ACT_SIMP=y
-CONFIG_NET_ACT_SKBEDIT=y
-CONFIG_NET_ACT_CSUM=y
-CONFIG_NET_CLS_IND=y
-CONFIG_BT=y
-CONFIG_BT_RFCOMM=y
-CONFIG_BT_RFCOMM_TTY=y
-CONFIG_BT_BNEP=y
-CONFIG_BT_BNEP_MC_FILTER=y
-CONFIG_BT_BNEP_PROTO_FILTER=y
-CONFIG_BT_HIDP=y
-CONFIG_BT_HCIBTUSB=y
-CONFIG_CFG80211=y
-CONFIG_CFG80211_CERTIFICATION_ONUS=y
-CONFIG_CFG80211_WEXT=y
-CONFIG_MAC80211=y
-CONFIG_MAC80211_LEDS=y
-CONFIG_RFKILL=y
-CONFIG_RFKILL_INPUT=y
-CONFIG_DEVTMPFS=y
-CONFIG_DEVTMPFS_MOUNT=y
-CONFIG_MTD=y
-CONFIG_MTD_CHAR=y
-CONFIG_MTD_BLOCK=y
-CONFIG_MTD_CFI=y
-CONFIG_MTD_CFI_AMDSTD=y
-CONFIG_MTD_PHYSMAP=y
-CONFIG_MTD_M25P80=y
-CONFIG_MTD_NAND=y
-CONFIG_MTD_NAND_PLATFORM=y
-CONFIG_EEPROM_AT24=y
-CONFIG_EEPROM_AT25=y
-CONFIG_IDE=y
-CONFIG_BLK_DEV_IDE_AU1XXX=y
-CONFIG_BLK_DEV_SD=y
-CONFIG_CHR_DEV_SG=y
-CONFIG_SCSI_MULTI_LUN=y
-CONFIG_ATA=y
-CONFIG_PATA_HPT37X=y
-CONFIG_PATA_PCMCIA=y
-CONFIG_PATA_PLATFORM=y
-CONFIG_NETDEVICES=y
-CONFIG_MIPS_AU1X00_ENET=y
-CONFIG_SMC91X=y
-CONFIG_SMSC911X=y
-CONFIG_AMD_PHY=y
-CONFIG_SMSC_PHY=y
-CONFIG_RT2X00=y
-CONFIG_RT73USB=y
-CONFIG_INPUT_EVDEV=y
-CONFIG_INPUT_TOUCHSCREEN=y
-CONFIG_TOUCHSCREEN_WM97XX=y
-CONFIG_INPUT_MISC=y
-CONFIG_INPUT_UINPUT=y
-CONFIG_SERIAL_8250=y
-CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_TTY_PRINTK=y
-CONFIG_I2C=y
-CONFIG_I2C_CHARDEV=y
-CONFIG_I2C_AU1550=y
-CONFIG_SPI=y
-CONFIG_SPI_AU1550=y
-CONFIG_GPIO_SYSFS=y
-CONFIG_SENSORS_ADM1025=y
-CONFIG_SENSORS_LM70=y
-CONFIG_SOUND=y
-CONFIG_SND=y
-CONFIG_SND_HRTIMER=y
-CONFIG_SND_DYNAMIC_MINORS=y
-CONFIG_SND_SOC=y
-CONFIG_SND_SOC_AU1XPSC=y
-CONFIG_SND_SOC_DB1200=y
-CONFIG_HIDRAW=y
-CONFIG_UHID=y
-CONFIG_USB_HIDDEV=y
-CONFIG_USB=y
-CONFIG_USB_DYNAMIC_MINORS=y
-CONFIG_USB_EHCI_HCD=y
-CONFIG_USB_EHCI_HCD_PLATFORM=y
-CONFIG_USB_EHCI_ROOT_HUB_TT=y
-CONFIG_USB_OHCI_HCD=y
-CONFIG_USB_OHCI_HCD_PLATFORM=y
-CONFIG_USB_STORAGE=y
-CONFIG_MMC=y
-CONFIG_MMC_AU1X=y
-CONFIG_NEW_LEDS=y
-CONFIG_LEDS_CLASS=y
-CONFIG_RTC_CLASS=y
-CONFIG_RTC_DRV_AU1XXX=y
-CONFIG_EXT4_FS=y
-CONFIG_EXT4_FS_POSIX_ACL=y
-CONFIG_EXT4_FS_SECURITY=y
-CONFIG_XFS_FS=y
-CONFIG_XFS_POSIX_ACL=y
-CONFIG_VFAT_FS=y
-CONFIG_TMPFS=y
-CONFIG_TMPFS_POSIX_ACL=y
-CONFIG_CONFIGFS_FS=y
-CONFIG_JFFS2_FS=y
-CONFIG_JFFS2_SUMMARY=y
-CONFIG_JFFS2_FS_XATTR=y
-CONFIG_JFFS2_COMPRESSION_OPTIONS=y
-CONFIG_JFFS2_LZO=y
-CONFIG_JFFS2_CMODE_FAVOURLZO=y
-CONFIG_SQUASHFS=y
-CONFIG_SQUASHFS_LZO=y
-CONFIG_SQUASHFS_XZ=y
-CONFIG_NFS_FS=y
-CONFIG_NFS_V3_ACL=y
-CONFIG_NFS_V4=y
-CONFIG_NFS_V4_1=y
-CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN="kernel.org"
-CONFIG_ROOT_NFS=y
-CONFIG_NFSD=y
-CONFIG_NFSD_V3_ACL=y
-CONFIG_NFSD_V4=y
-CONFIG_NLS_CODEPAGE_437=y
-CONFIG_NLS_CODEPAGE_850=y
-CONFIG_NLS_CODEPAGE_852=y
-CONFIG_NLS_CODEPAGE_1250=y
-CONFIG_NLS_ASCII=y
-CONFIG_NLS_ISO8859_1=y
-CONFIG_NLS_ISO8859_2=y
-CONFIG_NLS_ISO8859_15=y
-CONFIG_NLS_UTF8=y
-CONFIG_MAGIC_SYSRQ=y
-CONFIG_STRIP_ASM_SYMS=y
-CONFIG_SECURITYFS=y
-CONFIG_CRYPTO_USER=y
-CONFIG_CRYPTO_NULL=y
-CONFIG_CRYPTO_CRYPTD=y
-CONFIG_CRYPTO_CCM=y
-CONFIG_CRYPTO_GCM=y
-CONFIG_CRYPTO_CTS=y
-CONFIG_CRYPTO_LRW=y
-CONFIG_CRYPTO_PCBC=y
-CONFIG_CRYPTO_XTS=y
-CONFIG_CRYPTO_XCBC=y
-CONFIG_CRYPTO_VMAC=y
-CONFIG_CRYPTO_MD4=y
-CONFIG_CRYPTO_MICHAEL_MIC=y
-CONFIG_CRYPTO_RMD128=y
-CONFIG_CRYPTO_RMD160=y
-CONFIG_CRYPTO_RMD256=y
-CONFIG_CRYPTO_RMD320=y
-CONFIG_CRYPTO_SHA256=y
-CONFIG_CRYPTO_SHA512=y
-CONFIG_CRYPTO_TGR192=y
-CONFIG_CRYPTO_WP512=y
-CONFIG_CRYPTO_ANUBIS=y
-CONFIG_CRYPTO_BLOWFISH=y
-CONFIG_CRYPTO_CAMELLIA=y
-CONFIG_CRYPTO_CAST5=y
-CONFIG_CRYPTO_CAST6=y
-CONFIG_CRYPTO_FCRYPT=y
-CONFIG_CRYPTO_KHAZAD=y
-CONFIG_CRYPTO_SALSA20=y
-CONFIG_CRYPTO_SEED=y
-CONFIG_CRYPTO_SERPENT=y
-CONFIG_CRYPTO_TEA=y
-CONFIG_CRYPTO_TWOFISH=y
-CONFIG_CRYPTO_ZLIB=y
-CONFIG_CRYPTO_LZO=y
-CONFIG_CRYPTO_USER_API_HASH=y
-CONFIG_CRYPTO_USER_API_SKCIPHER=y
diff --git a/arch/mips/configs/db1xxx_defconfig b/arch/mips/configs/db1xxx_defconfig
new file mode 100644
index 0000000..c99b6ee
--- /dev/null
+++ b/arch/mips/configs/db1xxx_defconfig
@@ -0,0 +1,245 @@
+CONFIG_MIPS_ALCHEMY=y
+CONFIG_MIPS_DB1XXX=y
+CONFIG_CMA=y
+CONFIG_CMA_DEBUG=y
+CONFIG_HZ_100=y
+CONFIG_LOCALVERSION="-db1xxx"
+CONFIG_KERNEL_XZ=y
+CONFIG_DEFAULT_HOSTNAME="db1xxx"
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_FHANDLE=y
+CONFIG_AUDIT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_LOG_BUF_SHIFT=16
+CONFIG_CGROUPS=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CGROUP_DEVICE=y
+CONFIG_CPUSETS=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_RESOURCE_COUNTERS=y
+CONFIG_MEMCG=y
+CONFIG_MEMCG_SWAP=y
+CONFIG_MEMCG_KMEM=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_CFS_BANDWIDTH=y
+CONFIG_RT_GROUP_SCHED=y
+CONFIG_BLK_CGROUP=y
+CONFIG_KALLSYMS_ALL=y
+CONFIG_EMBEDDED=y
+CONFIG_SLAB=y
+CONFIG_BLK_DEV_BSGLIB=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_DEFAULT_NOOP=y
+CONFIG_PCI=y
+CONFIG_PCI_REALLOC_ENABLE_AUTO=y
+CONFIG_PCCARD=y
+CONFIG_PCMCIA_ALCHEMY_DEVBOARD=y
+CONFIG_PM_RUNTIME=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_PACKET_DIAG=y
+CONFIG_UNIX=y
+CONFIG_UNIX_DIAG=y
+CONFIG_XFRM_USER=y
+CONFIG_XFRM_SUB_POLICY=y
+CONFIG_XFRM_MIGRATE=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_IP_FIB_TRIE_STATS=y
+CONFIG_NET_IPIP=y
+CONFIG_NET_IPGRE_DEMUX=y
+CONFIG_NET_IPGRE=y
+CONFIG_NET_IPGRE_BROADCAST=y
+CONFIG_SYN_COOKIES=y
+CONFIG_INET_AH=y
+CONFIG_INET_ESP=y
+CONFIG_INET_IPCOMP=y
+CONFIG_INET_UDP_DIAG=y
+CONFIG_TCP_CONG_ADVANCED=y
+CONFIG_TCP_CONG_VENO=y
+CONFIG_DEFAULT_VENO=y
+CONFIG_IPV6_ROUTER_PREF=y
+CONFIG_IPV6_ROUTE_INFO=y
+CONFIG_IPV6_OPTIMISTIC_DAD=y
+CONFIG_INET6_AH=y
+CONFIG_INET6_ESP=y
+CONFIG_INET6_IPCOMP=y
+CONFIG_IPV6_MIP6=y
+CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=y
+CONFIG_IPV6_VTI=y
+CONFIG_IPV6_SIT_6RD=y
+CONFIG_IPV6_GRE=y
+CONFIG_IPV6_MULTIPLE_TABLES=y
+CONFIG_IPV6_SUBTREES=y
+CONFIG_IPV6_MROUTE=y
+CONFIG_IPV6_MROUTE_MULTIPLE_TABLES=y
+CONFIG_IPV6_PIMSM_V2=y
+CONFIG_BRIDGE=y
+CONFIG_NETLINK_MMAP=y
+CONFIG_NETLINK_DIAG=y
+CONFIG_IRDA=y
+CONFIG_IRLAN=y
+CONFIG_IRCOMM=y
+CONFIG_IRDA_ULTRA=y
+CONFIG_IRDA_CACHE_LAST_LSAP=y
+CONFIG_IRDA_FAST_RR=y
+CONFIG_AU1000_FIR=y
+CONFIG_BT=y
+CONFIG_BT_RFCOMM=y
+CONFIG_BT_RFCOMM_TTY=y
+CONFIG_BT_BNEP=y
+CONFIG_BT_BNEP_MC_FILTER=y
+CONFIG_BT_BNEP_PROTO_FILTER=y
+CONFIG_BT_HIDP=y
+CONFIG_BT_HCIBTUSB=y
+CONFIG_CFG80211=y
+CONFIG_CFG80211_WEXT=y
+CONFIG_MAC80211=y
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_MTD=y
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_BLOCK=y
+CONFIG_MTD_CFI=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_AMDSTD=y
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_M25P80=y
+CONFIG_MTD_SST25L=y
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_ECC_BCH=y
+CONFIG_MTD_NAND_AU1550=y
+CONFIG_MTD_NAND_PLATFORM=y
+CONFIG_EEPROM_AT24=y
+CONFIG_EEPROM_AT25=y
+CONFIG_SCSI_TGT=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_CHR_DEV_SG=y
+CONFIG_SCSI_MULTI_LUN=y
+CONFIG_ATA=y
+CONFIG_PATA_HPT37X=y
+CONFIG_PATA_HPT3X2N=y
+CONFIG_PATA_PCMCIA=y
+CONFIG_PATA_PLATFORM=y
+CONFIG_NETDEVICES=y
+CONFIG_NLMON=y
+CONFIG_PCMCIA_3C589=y
+CONFIG_MIPS_AU1X00_ENET=y
+CONFIG_SMC91X=y
+CONFIG_SMSC911X=y
+CONFIG_AMD_PHY=y
+CONFIG_SMSC_PHY=y
+CONFIG_INPUT_EVDEV=y
+CONFIG_KEYBOARD_GPIO=y
+CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_TOUCHSCREEN_ADS7846=y
+CONFIG_TOUCHSCREEN_WM97XX=y
+CONFIG_INPUT_MISC=y
+CONFIG_INPUT_UINPUT=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_TTY_PRINTK=y
+CONFIG_I2C=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_AU1550=y
+CONFIG_SPI=y
+CONFIG_SPI_AU1550=y
+CONFIG_SPI_GPIO=y
+CONFIG_SENSORS_ADM1025=y
+CONFIG_SENSORS_LM70=y
+CONFIG_FB=y
+CONFIG_FB_AU1100=y
+CONFIG_FB_AU1200=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
+CONFIG_SOUND=y
+CONFIG_SND=y
+CONFIG_SND_SEQUENCER=y
+CONFIG_SND_HRTIMER=y
+CONFIG_SND_DYNAMIC_MINORS=y
+CONFIG_SND_AC97_POWER_SAVE=y
+CONFIG_SND_AC97_POWER_SAVE_DEFAULT=1
+CONFIG_SND_SOC=y
+CONFIG_SND_SOC_AU1XPSC=y
+CONFIG_SND_SOC_AU1XAUDIO=y
+CONFIG_SND_SOC_DB1000=y
+CONFIG_SND_SOC_DB1200=y
+CONFIG_HIDRAW=y
+CONFIG_UHID=y
+CONFIG_HID_LOGITECH=y
+CONFIG_HID_LOGITECH_DJ=y
+CONFIG_USB_HIDDEV=y
+CONFIG_USB=y
+CONFIG_USB_DYNAMIC_MINORS=y
+CONFIG_USB_OTG=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_ROOT_HUB_TT=y
+CONFIG_USB_EHCI_HCD_PLATFORM=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_HCD_PLATFORM=y
+CONFIG_USB_STORAGE=y
+CONFIG_MMC=y
+CONFIG_MMC_CLKGATE=y
+CONFIG_SDIO_UART=y
+CONFIG_MMC_AU1X=y
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_AU1XXX=y
+CONFIG_FIRMWARE_MEMMAP=y
+CONFIG_EXT4_FS=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_EXT4_FS_SECURITY=y
+CONFIG_XFS_FS=y
+CONFIG_XFS_POSIX_ACL=y
+CONFIG_FANOTIFY=y
+CONFIG_FUSE_FS=y
+CONFIG_CUSE=y
+CONFIG_VFAT_FS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_CONFIGFS_FS=y
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_SUMMARY=y
+CONFIG_JFFS2_COMPRESSION_OPTIONS=y
+CONFIG_JFFS2_LZO=y
+CONFIG_JFFS2_RUBIN=y
+CONFIG_SQUASHFS=y
+CONFIG_SQUASHFS_FILE_DIRECT=y
+CONFIG_SQUASHFS_XATTR=y
+CONFIG_SQUASHFS_LZO=y
+CONFIG_SQUASHFS_XZ=y
+CONFIG_F2FS_FS=y
+CONFIG_F2FS_FS_SECURITY=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
+CONFIG_NFS_V4=y
+CONFIG_NFS_V4_1=y
+CONFIG_NFS_V4_2=y
+CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN="local"
+CONFIG_NFS_V4_1_MIGRATION=y
+CONFIG_NFSD=y
+CONFIG_NFSD_V3_ACL=y
+CONFIG_NFSD_V4=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_850=y
+CONFIG_NLS_CODEPAGE_852=y
+CONFIG_NLS_CODEPAGE_1250=y
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_2=y
+CONFIG_NLS_ISO8859_15=y
+CONFIG_NLS_UTF8=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_SECURITYFS=y
+CONFIG_CRYPTO_USER=y
+CONFIG_CRYPTO_CRYPTD=y
+CONFIG_CRYPTO_USER_API_HASH=y
+CONFIG_CRYPTO_USER_API_SKCIPHER=y
+CONFIG_CRC32_SLICEBY4=y
+CONFIG_FONTS=y
+CONFIG_FONT_8x8=y
diff --git a/arch/mips/configs/loongson3_defconfig b/arch/mips/configs/loongson3_defconfig
new file mode 100644
index 0000000..ea1761f
--- /dev/null
+++ b/arch/mips/configs/loongson3_defconfig
@@ -0,0 +1,362 @@
+CONFIG_MACH_LOONGSON=y
+CONFIG_SWIOTLB=y
+CONFIG_LEMOTE_MACH3A=y
+CONFIG_CPU_LOONGSON3=y
+CONFIG_64BIT=y
+CONFIG_PAGE_SIZE_16KB=y
+CONFIG_KSM=y
+CONFIG_SMP=y
+CONFIG_NR_CPUS=4
+CONFIG_HZ_256=y
+CONFIG_PREEMPT=y
+CONFIG_KEXEC=y
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_KERNEL_LZMA=y
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_AUDIT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_BSD_PROCESS_ACCT=y
+CONFIG_BSD_PROCESS_ACCT_V3=y
+CONFIG_TASKSTATS=y
+CONFIG_TASK_DELAY_ACCT=y
+CONFIG_TASK_XACCT=y
+CONFIG_TASK_IO_ACCOUNTING=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_CPUSETS=y
+CONFIG_RESOURCE_COUNTERS=y
+CONFIG_MEMCG=y
+CONFIG_MEMCG_SWAP=y
+CONFIG_BLK_CGROUP=y
+CONFIG_SCHED_AUTOGROUP=y
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_RELAY=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_RD_BZIP2=y
+CONFIG_RD_LZMA=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_EMBEDDED=y
+CONFIG_MODULES=y
+CONFIG_MODULE_FORCE_LOAD=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+CONFIG_BLK_DEV_INTEGRITY=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_IOSCHED_DEADLINE=m
+CONFIG_CFQ_GROUP_IOSCHED=y
+CONFIG_PCI=y
+CONFIG_HT_PCI=y
+CONFIG_PCIEPORTBUS=y
+CONFIG_HOTPLUG_PCI_PCIE=y
+# CONFIG_PCIEAER is not set
+CONFIG_PCIEASPM_PERFORMANCE=y
+CONFIG_HOTPLUG_PCI=y
+CONFIG_HOTPLUG_PCI_SHPC=m
+CONFIG_BINFMT_MISC=m
+CONFIG_MIPS32_COMPAT=y
+CONFIG_MIPS32_O32=y
+CONFIG_MIPS32_N32=y
+CONFIG_PM_RUNTIME=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_XFRM_USER=y
+CONFIG_NET_KEY=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_IP_ROUTE_MULTIPATH=y
+CONFIG_IP_ROUTE_VERBOSE=y
+CONFIG_NETFILTER=y
+CONFIG_NETFILTER_NETLINK_LOG=m
+CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
+CONFIG_NETFILTER_XT_TARGET_MARK=m
+CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
+CONFIG_NETFILTER_XT_MATCH_COMMENT=m
+CONFIG_NETFILTER_XT_MATCH_DCCP=m
+CONFIG_NETFILTER_XT_MATCH_ESP=m
+CONFIG_NETFILTER_XT_MATCH_LENGTH=m
+CONFIG_NETFILTER_XT_MATCH_LIMIT=m
+CONFIG_NETFILTER_XT_MATCH_MAC=m
+CONFIG_NETFILTER_XT_MATCH_MARK=m
+CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
+CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
+CONFIG_NETFILTER_XT_MATCH_QUOTA=m
+CONFIG_NETFILTER_XT_MATCH_REALM=m
+CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
+CONFIG_NETFILTER_XT_MATCH_STRING=m
+CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
+CONFIG_IP_VS=m
+CONFIG_IP_NF_IPTABLES=m
+CONFIG_IP_NF_MATCH_AH=m
+CONFIG_IP_NF_MATCH_ECN=m
+CONFIG_IP_NF_MATCH_TTL=m
+CONFIG_IP_NF_FILTER=m
+CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_ULOG=m
+CONFIG_IP_NF_MANGLE=m
+CONFIG_IP_NF_TARGET_ECN=m
+CONFIG_IP_NF_TARGET_TTL=m
+CONFIG_IP_NF_RAW=m
+CONFIG_IP_NF_ARPTABLES=m
+CONFIG_IP_NF_ARPFILTER=m
+CONFIG_IP_NF_ARP_MANGLE=m
+CONFIG_IP_SCTP=m
+CONFIG_L2TP=m
+CONFIG_BRIDGE=m
+CONFIG_CFG80211=m
+CONFIG_CFG80211_WEXT=y
+CONFIG_MAC80211=m
+CONFIG_RFKILL=m
+CONFIG_RFKILL_INPUT=y
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_MTD=m
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_CRYPTOLOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=8192
+CONFIG_RAID_ATTRS=m
+CONFIG_SCSI_TGT=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_BLK_DEV_SR=y
+CONFIG_CHR_DEV_SG=y
+CONFIG_CHR_DEV_SCH=m
+CONFIG_SCSI_MULTI_LUN=y
+CONFIG_SCSI_CONSTANTS=y
+CONFIG_SCSI_LOGGING=y
+CONFIG_SCSI_SPI_ATTRS=m
+CONFIG_SCSI_FC_ATTRS=m
+CONFIG_ISCSI_TCP=m
+CONFIG_MEGARAID_NEWGEN=y
+CONFIG_MEGARAID_MM=y
+CONFIG_MEGARAID_MAILBOX=y
+CONFIG_MEGARAID_LEGACY=y
+CONFIG_MEGARAID_SAS=y
+CONFIG_ATA=y
+CONFIG_SATA_AHCI=y
+CONFIG_PATA_ATIIXP=y
+CONFIG_MD=y
+CONFIG_BLK_DEV_MD=m
+CONFIG_MD_LINEAR=m
+CONFIG_MD_RAID0=m
+CONFIG_MD_RAID1=m
+CONFIG_MD_RAID10=m
+CONFIG_MD_RAID456=m
+CONFIG_MD_MULTIPATH=m
+CONFIG_BLK_DEV_DM=m
+CONFIG_DM_CRYPT=m
+CONFIG_DM_SNAPSHOT=m
+CONFIG_DM_MIRROR=m
+CONFIG_DM_ZERO=m
+CONFIG_TARGET_CORE=m
+CONFIG_TCM_IBLOCK=m
+CONFIG_TCM_FILEIO=m
+CONFIG_TCM_PSCSI=m
+CONFIG_LOOPBACK_TARGET=m
+CONFIG_ISCSI_TARGET=m
+CONFIG_NETDEVICES=y
+CONFIG_TUN=m
+# CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_NET_VENDOR_ADAPTEC is not set
+# CONFIG_NET_VENDOR_ALTEON is not set
+# CONFIG_NET_VENDOR_AMD is not set
+# CONFIG_NET_VENDOR_ARC is not set
+# CONFIG_NET_VENDOR_ATHEROS is not set
+# CONFIG_NET_CADENCE is not set
+# CONFIG_NET_VENDOR_BROADCOM is not set
+# CONFIG_NET_VENDOR_BROCADE is not set
+# CONFIG_NET_VENDOR_CHELSIO is not set
+# CONFIG_NET_VENDOR_CIRRUS is not set
+# CONFIG_NET_VENDOR_CISCO is not set
+# CONFIG_NET_VENDOR_DEC is not set
+# CONFIG_NET_VENDOR_DLINK is not set
+# CONFIG_NET_VENDOR_EMULEX is not set
+# CONFIG_NET_VENDOR_EXAR is not set
+# CONFIG_NET_VENDOR_HP is not set
+CONFIG_E1000=y
+CONFIG_E1000E=y
+CONFIG_IGB=y
+CONFIG_IXGB=y
+CONFIG_IXGBE=y
+# CONFIG_NET_VENDOR_I825XX is not set
+# CONFIG_NET_VENDOR_MARVELL is not set
+# CONFIG_NET_VENDOR_MELLANOX is not set
+# CONFIG_NET_VENDOR_MICREL is not set
+# CONFIG_NET_VENDOR_MYRI is not set
+# CONFIG_NET_VENDOR_NATSEMI is not set
+# CONFIG_NET_VENDOR_NVIDIA is not set
+# CONFIG_NET_VENDOR_OKI is not set
+# CONFIG_NET_PACKET_ENGINE is not set
+# CONFIG_NET_VENDOR_QLOGIC is not set
+CONFIG_8139CP=m
+CONFIG_8139TOO=m
+CONFIG_R8169=y
+# CONFIG_NET_VENDOR_RDC is not set
+# CONFIG_NET_VENDOR_SEEQ is not set
+# CONFIG_NET_VENDOR_SILAN is not set
+# CONFIG_NET_VENDOR_SIS is not set
+# CONFIG_NET_VENDOR_SMSC is not set
+# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SUN is not set
+# CONFIG_NET_VENDOR_TEHUTI is not set
+# CONFIG_NET_VENDOR_TI is not set
+# CONFIG_NET_VENDOR_TOSHIBA is not set
+# CONFIG_NET_VENDOR_VIA is not set
+# CONFIG_NET_VENDOR_WIZNET is not set
+CONFIG_PPP=m
+CONFIG_PPP_BSDCOMP=m
+CONFIG_PPP_DEFLATE=m
+CONFIG_PPP_FILTER=y
+CONFIG_PPP_MPPE=m
+CONFIG_PPP_MULTILINK=y
+CONFIG_PPPOE=m
+CONFIG_PPPOL2TP=m
+CONFIG_PPP_ASYNC=m
+CONFIG_PPP_SYNC_TTY=m
+CONFIG_ATH_CARDS=m
+CONFIG_ATH9K=m
+CONFIG_HOSTAP=m
+CONFIG_INPUT_POLLDEV=m
+CONFIG_INPUT_SPARSEKMAP=y
+CONFIG_INPUT_EVDEV=y
+CONFIG_KEYBOARD_XTKBD=m
+CONFIG_MOUSE_PS2_SENTELIC=y
+CONFIG_MOUSE_SERIAL=m
+CONFIG_INPUT_MISC=y
+CONFIG_INPUT_UINPUT=m
+CONFIG_SERIO_SERPORT=m
+CONFIG_SERIO_RAW=m
+CONFIG_LEGACY_PTY_COUNT=16
+CONFIG_SERIAL_NONSTANDARD=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=16
+CONFIG_SERIAL_8250_EXTENDED=y
+CONFIG_SERIAL_8250_MANY_PORTS=y
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+CONFIG_SERIAL_8250_RSA=y
+CONFIG_HW_RANDOM=y
+CONFIG_RAW_DRIVER=m
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_PIIX4=y
+CONFIG_SENSORS_LM75=m
+CONFIG_SENSORS_LM93=m
+CONFIG_SENSORS_W83627HF=m
+CONFIG_MEDIA_SUPPORT=m
+CONFIG_MEDIA_CAMERA_SUPPORT=y
+CONFIG_MEDIA_USB_SUPPORT=y
+CONFIG_USB_VIDEO_CLASS=m
+CONFIG_DRM=y
+CONFIG_DRM_RADEON=y
+CONFIG_VIDEO_OUTPUT_CONTROL=y
+CONFIG_FB_RADEON=y
+CONFIG_LCD_CLASS_DEVICE=y
+CONFIG_LCD_PLATFORM=m
+CONFIG_BACKLIGHT_GENERIC=m
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
+CONFIG_LOGO=y
+CONFIG_SOUND=y
+CONFIG_SND=m
+CONFIG_SND_SEQUENCER=m
+CONFIG_SND_SEQ_DUMMY=m
+# CONFIG_SND_ISA is not set
+CONFIG_SND_HDA_INTEL=m
+CONFIG_SND_HDA_PATCH_LOADER=y
+CONFIG_SND_HDA_CODEC_REALTEK=m
+CONFIG_SND_HDA_CODEC_CONEXANT=m
+# CONFIG_SND_USB is not set
+CONFIG_HID_A4TECH=m
+CONFIG_HID_SUNPLUS=m
+CONFIG_USB=y
+CONFIG_USB_MON=y
+CONFIG_USB_XHCI_HCD=m
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_ROOT_HUB_TT=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_UHCI_HCD=m
+CONFIG_USB_STORAGE=m
+CONFIG_USB_SERIAL=m
+CONFIG_USB_SERIAL_OPTION=m
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_CMOS=y
+CONFIG_DMADEVICES=y
+CONFIG_PM_DEVFREQ=y
+CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=y
+CONFIG_DEVFREQ_GOV_PERFORMANCE=y
+CONFIG_DEVFREQ_GOV_POWERSAVE=y
+CONFIG_DEVFREQ_GOV_USERSPACE=y
+CONFIG_EXT2_FS=y
+CONFIG_EXT2_FS_XATTR=y
+CONFIG_EXT2_FS_POSIX_ACL=y
+CONFIG_EXT2_FS_SECURITY=y
+CONFIG_EXT3_FS=y
+CONFIG_EXT3_FS_POSIX_ACL=y
+CONFIG_EXT3_FS_SECURITY=y
+CONFIG_EXT4_FS=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_EXT4_FS_SECURITY=y
+CONFIG_QUOTA=y
+# CONFIG_PRINT_QUOTA_WARNING is not set
+CONFIG_AUTOFS4_FS=y
+CONFIG_FUSE_FS=m
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
+CONFIG_MSDOS_FS=m
+CONFIG_VFAT_FS=m
+CONFIG_FAT_DEFAULT_CODEPAGE=936
+CONFIG_FAT_DEFAULT_IOCHARSET="gb2312"
+CONFIG_PROC_KCORE=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_CONFIGFS_FS=y
+CONFIG_CRAMFS=m
+CONFIG_SQUASHFS=y
+CONFIG_SQUASHFS_XATTR=y
+CONFIG_NFS_FS=m
+CONFIG_NFS_V3_ACL=y
+CONFIG_NFS_V4=m
+CONFIG_NFSD=m
+CONFIG_NFSD_V3_ACL=y
+CONFIG_NFSD_V4=y
+CONFIG_CIFS=m
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_936=y
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_UTF8=y
+CONFIG_PRINTK_TIME=y
+CONFIG_FRAME_WARN=1024
+CONFIG_STRIP_ASM_SYMS=y
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_DEBUG_PREEMPT is not set
+# CONFIG_RCU_CPU_STALL_VERBOSE is not set
+# CONFIG_FTRACE is not set
+CONFIG_SECURITY=y
+CONFIG_SECURITYFS=y
+CONFIG_SECURITY_NETWORK=y
+CONFIG_SECURITY_PATH=y
+CONFIG_SECURITY_SELINUX=y
+CONFIG_SECURITY_SELINUX_BOOTPARAM=y
+CONFIG_SECURITY_SELINUX_DISABLE=y
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_CRYPTO_AUTHENC=m
+CONFIG_CRYPTO_HMAC=y
+CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_SHA512=m
+CONFIG_CRYPTO_TGR192=m
+CONFIG_CRYPTO_WP512=m
+CONFIG_CRYPTO_ANUBIS=m
+CONFIG_CRYPTO_BLOWFISH=m
+CONFIG_CRYPTO_CAST5=m
+CONFIG_CRYPTO_CAST6=m
+CONFIG_CRYPTO_KHAZAD=m
+CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_TEA=m
+CONFIG_CRYPTO_TWOFISH=m
+CONFIG_CRYPTO_DEFLATE=m
diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig
index ce1d3ee..b745b6a 100644
--- a/arch/mips/configs/malta_defconfig
+++ b/arch/mips/configs/malta_defconfig
@@ -1,7 +1,9 @@
CONFIG_MIPS_MALTA=y
CONFIG_CPU_LITTLE_ENDIAN=y
CONFIG_CPU_MIPS32_R2=y
+CONFIG_PAGE_SIZE_16KB=y
CONFIG_MIPS_MT_SMP=y
+CONFIG_NR_CPUS=8
CONFIG_HZ_100=y
CONFIG_SYSVIPC=y
CONFIG_NO_HZ=y
@@ -42,7 +44,6 @@
CONFIG_INET_XFRM_MODE_TRANSPORT=m
CONFIG_INET_XFRM_MODE_TUNNEL=m
CONFIG_TCP_MD5SIG=y
-CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_IPV6_ROUTE_INFO=y
CONFIG_IPV6_OPTIMISTIC_DAD=y
@@ -68,7 +69,6 @@
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_CT_NETLINK=m
-CONFIG_NETFILTER_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
CONFIG_NETFILTER_XT_TARGET_CONNMARK=m
CONFIG_NETFILTER_XT_TARGET_MARK=m
@@ -125,7 +125,6 @@
CONFIG_IP_VS_SED=m
CONFIG_IP_VS_NQ=m
CONFIG_NF_CONNTRACK_IPV4=m
-CONFIG_IP_NF_QUEUE=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -185,7 +184,6 @@
CONFIG_DEV_APPLETALK=m
CONFIG_IPDDP=m
CONFIG_IPDDP_ENCAP=y
-CONFIG_IPDDP_DECAP=y
CONFIG_PHONET=m
CONFIG_NET_SCHED=y
CONFIG_NET_SCH_CBQ=m
@@ -226,9 +224,9 @@
CONFIG_MAC80211_MESH=y
CONFIG_RFKILL=m
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
CONFIG_CONNECTOR=m
CONFIG_MTD=y
-CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_OOPS=m
CONFIG_MTD_CFI=y
@@ -328,7 +326,6 @@
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_SERIO_I8042 is not set
-CONFIG_VT_HW_CONSOLE_BINDING=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
# CONFIG_HWMON is not set
diff --git a/arch/mips/configs/malta_kvm_defconfig b/arch/mips/configs/malta_kvm_defconfig
index 341bb472..4f7d952 100644
--- a/arch/mips/configs/malta_kvm_defconfig
+++ b/arch/mips/configs/malta_kvm_defconfig
@@ -3,6 +3,7 @@
CONFIG_CPU_MIPS32_R2=y
CONFIG_PAGE_SIZE_16KB=y
CONFIG_MIPS_MT_SMP=y
+CONFIG_NR_CPUS=8
CONFIG_HZ_100=y
CONFIG_SYSVIPC=y
CONFIG_NO_HZ=y
@@ -44,7 +45,6 @@
CONFIG_INET_XFRM_MODE_TRANSPORT=m
CONFIG_INET_XFRM_MODE_TUNNEL=m
CONFIG_TCP_MD5SIG=y
-CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_IPV6_ROUTE_INFO=y
CONFIG_IPV6_OPTIMISTIC_DAD=y
@@ -70,7 +70,6 @@
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_CT_NETLINK=m
-CONFIG_NETFILTER_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
CONFIG_NETFILTER_XT_TARGET_CONNMARK=m
CONFIG_NETFILTER_XT_TARGET_MARK=m
@@ -127,7 +126,6 @@
CONFIG_IP_VS_SED=m
CONFIG_IP_VS_NQ=m
CONFIG_NF_CONNTRACK_IPV4=m
-CONFIG_IP_NF_QUEUE=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -187,7 +185,6 @@
CONFIG_DEV_APPLETALK=m
CONFIG_IPDDP=m
CONFIG_IPDDP_ENCAP=y
-CONFIG_IPDDP_DECAP=y
CONFIG_PHONET=m
CONFIG_NET_SCHED=y
CONFIG_NET_SCH_CBQ=m
@@ -228,9 +225,9 @@
CONFIG_MAC80211_MESH=y
CONFIG_RFKILL=m
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
CONFIG_CONNECTOR=m
CONFIG_MTD=y
-CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_OOPS=m
CONFIG_MTD_CFI=y
@@ -300,6 +297,7 @@
CONFIG_MACVLAN=m
CONFIG_TUN=m
CONFIG_VETH=m
+CONFIG_VHOST_NET=m
CONFIG_PCNET32=y
CONFIG_CHELSIO_T3=m
CONFIG_AX88796=m
@@ -329,7 +327,6 @@
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_SERIO_I8042 is not set
-CONFIG_VT_HW_CONSOLE_BINDING=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
# CONFIG_HWMON is not set
@@ -453,4 +450,3 @@
CONFIG_KVM=m
CONFIG_KVM_MIPS_DYN_TRANS=y
CONFIG_KVM_MIPS_DEBUG_COP0_COUNTERS=y
-CONFIG_VHOST_NET=m
diff --git a/arch/mips/configs/malta_kvm_guest_defconfig b/arch/mips/configs/malta_kvm_guest_defconfig
index 2b8558b7..e36681c 100644
--- a/arch/mips/configs/malta_kvm_guest_defconfig
+++ b/arch/mips/configs/malta_kvm_guest_defconfig
@@ -44,7 +44,6 @@
CONFIG_INET_XFRM_MODE_TRANSPORT=m
CONFIG_INET_XFRM_MODE_TUNNEL=m
CONFIG_TCP_MD5SIG=y
-CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_IPV6_ROUTE_INFO=y
CONFIG_IPV6_OPTIMISTIC_DAD=y
@@ -70,7 +69,6 @@
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_CT_NETLINK=m
-CONFIG_NETFILTER_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
CONFIG_NETFILTER_XT_TARGET_CONNMARK=m
CONFIG_NETFILTER_XT_TARGET_MARK=m
@@ -127,7 +125,6 @@
CONFIG_IP_VS_SED=m
CONFIG_IP_VS_NQ=m
CONFIG_NF_CONNTRACK_IPV4=m
-CONFIG_IP_NF_QUEUE=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -187,7 +184,6 @@
CONFIG_DEV_APPLETALK=m
CONFIG_IPDDP=m
CONFIG_IPDDP_ENCAP=y
-CONFIG_IPDDP_DECAP=y
CONFIG_PHONET=m
CONFIG_NET_SCHED=y
CONFIG_NET_SCH_CBQ=m
@@ -228,9 +224,9 @@
CONFIG_MAC80211_MESH=y
CONFIG_RFKILL=m
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
CONFIG_CONNECTOR=m
CONFIG_MTD=y
-CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_OOPS=m
CONFIG_MTD_CFI=y
@@ -331,7 +327,6 @@
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_SERIO_I8042 is not set
-CONFIG_VT_HW_CONSOLE_BINDING=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
# CONFIG_HWMON is not set
diff --git a/arch/mips/configs/maltaaprp_defconfig b/arch/mips/configs/maltaaprp_defconfig
index 93057a7..fb042ce 100644
--- a/arch/mips/configs/maltaaprp_defconfig
+++ b/arch/mips/configs/maltaaprp_defconfig
@@ -44,7 +44,6 @@
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
# CONFIG_INET_LRO is not set
-CONFIG_IPV6_PRIVACY=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
@@ -55,7 +54,6 @@
CONFIG_DEV_APPLETALK=m
CONFIG_IPDDP=m
CONFIG_IPDDP_ENCAP=y
-CONFIG_IPDDP_DECAP=y
CONFIG_NET_SCHED=y
CONFIG_NET_SCH_CBQ=m
CONFIG_NET_SCH_HTB=m
@@ -80,6 +78,7 @@
CONFIG_NET_ACT_POLICE=y
CONFIG_NET_CLS_IND=y
# CONFIG_WIRELESS is not set
+CONFIG_DEVTMPFS=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_CRYPTOLOOP=m
CONFIG_IDE=y
diff --git a/arch/mips/configs/maltasmtc_defconfig b/arch/mips/configs/maltasmtc_defconfig
index 4e54b75..eb316447 100644
--- a/arch/mips/configs/maltasmtc_defconfig
+++ b/arch/mips/configs/maltasmtc_defconfig
@@ -1,6 +1,7 @@
CONFIG_MIPS_MALTA=y
CONFIG_CPU_LITTLE_ENDIAN=y
CONFIG_CPU_MIPS32_R2=y
+CONFIG_PAGE_SIZE_16KB=y
CONFIG_MIPS_MT_SMTC=y
# CONFIG_MIPS_MT_FPAFF is not set
CONFIG_NR_CPUS=9
@@ -45,7 +46,6 @@
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
# CONFIG_INET_LRO is not set
-CONFIG_IPV6_PRIVACY=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
@@ -56,7 +56,6 @@
CONFIG_DEV_APPLETALK=m
CONFIG_IPDDP=m
CONFIG_IPDDP_ENCAP=y
-CONFIG_IPDDP_DECAP=y
CONFIG_NET_SCHED=y
CONFIG_NET_SCH_CBQ=m
CONFIG_NET_SCH_HTB=m
@@ -81,6 +80,7 @@
CONFIG_NET_ACT_POLICE=y
CONFIG_NET_CLS_IND=y
# CONFIG_WIRELESS is not set
+CONFIG_DEVTMPFS=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_CRYPTOLOOP=m
CONFIG_IDE=y
diff --git a/arch/mips/configs/maltasmvp_defconfig b/arch/mips/configs/maltasmvp_defconfig
index d759318..10ef3be 100644
--- a/arch/mips/configs/maltasmvp_defconfig
+++ b/arch/mips/configs/maltasmvp_defconfig
@@ -1,10 +1,11 @@
CONFIG_MIPS_MALTA=y
CONFIG_CPU_LITTLE_ENDIAN=y
CONFIG_CPU_MIPS32_R2=y
+CONFIG_PAGE_SIZE_16KB=y
CONFIG_MIPS_MT_SMP=y
CONFIG_SCHED_SMT=y
CONFIG_MIPS_CMP=y
-CONFIG_NR_CPUS=2
+CONFIG_NR_CPUS=8
CONFIG_HZ_100=y
CONFIG_LOCALVERSION="cmp"
CONFIG_SYSVIPC=y
@@ -47,7 +48,6 @@
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
# CONFIG_INET_LRO is not set
-CONFIG_IPV6_PRIVACY=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
@@ -82,6 +82,7 @@
CONFIG_NET_ACT_POLICE=y
CONFIG_NET_CLS_IND=y
# CONFIG_WIRELESS is not set
+CONFIG_DEVTMPFS=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_CRYPTOLOOP=m
CONFIG_IDE=y
diff --git a/arch/mips/configs/maltasmvp_eva_defconfig b/arch/mips/configs/maltasmvp_eva_defconfig
new file mode 100644
index 0000000..2d3002c
--- /dev/null
+++ b/arch/mips/configs/maltasmvp_eva_defconfig
@@ -0,0 +1,200 @@
+CONFIG_MIPS_MALTA=y
+CONFIG_CPU_LITTLE_ENDIAN=y
+CONFIG_CPU_MIPS32_R2=y
+CONFIG_CPU_MIPS32_3_5_FEATURES=y
+CONFIG_PAGE_SIZE_16KB=y
+CONFIG_MIPS_MT_SMP=y
+CONFIG_SCHED_SMT=y
+CONFIG_MIPS_CMP=y
+CONFIG_NR_CPUS=8
+CONFIG_HZ_100=y
+CONFIG_LOCALVERSION="cmp"
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_AUDIT=y
+CONFIG_NO_HZ=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=15
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_EMBEDDED=y
+CONFIG_SLAB=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+CONFIG_MODULE_SRCVERSION_ALL=y
+# CONFIG_BLK_DEV_BSG is not set
+CONFIG_PCI=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_XFRM_USER=m
+CONFIG_NET_KEY=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_IP_ROUTE_MULTIPATH=y
+CONFIG_IP_ROUTE_VERBOSE=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_NET_IPIP=m
+CONFIG_IP_MROUTE=y
+CONFIG_IP_PIMSM_V1=y
+CONFIG_IP_PIMSM_V2=y
+CONFIG_SYN_COOKIES=y
+CONFIG_INET_AH=m
+CONFIG_INET_ESP=m
+CONFIG_INET_IPCOMP=m
+# CONFIG_INET_LRO is not set
+CONFIG_INET6_AH=m
+CONFIG_INET6_ESP=m
+CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_TUNNEL=m
+CONFIG_BRIDGE=m
+CONFIG_VLAN_8021Q=m
+CONFIG_ATALK=m
+CONFIG_DEV_APPLETALK=m
+CONFIG_IPDDP=m
+CONFIG_IPDDP_ENCAP=y
+CONFIG_NET_SCHED=y
+CONFIG_NET_SCH_CBQ=m
+CONFIG_NET_SCH_HTB=m
+CONFIG_NET_SCH_HFSC=m
+CONFIG_NET_SCH_PRIO=m
+CONFIG_NET_SCH_RED=m
+CONFIG_NET_SCH_SFQ=m
+CONFIG_NET_SCH_TEQL=m
+CONFIG_NET_SCH_TBF=m
+CONFIG_NET_SCH_GRED=m
+CONFIG_NET_SCH_DSMARK=m
+CONFIG_NET_SCH_NETEM=m
+CONFIG_NET_SCH_INGRESS=m
+CONFIG_NET_CLS_BASIC=m
+CONFIG_NET_CLS_TCINDEX=m
+CONFIG_NET_CLS_ROUTE4=m
+CONFIG_NET_CLS_FW=m
+CONFIG_NET_CLS_U32=m
+CONFIG_NET_CLS_RSVP=m
+CONFIG_NET_CLS_RSVP6=m
+CONFIG_NET_CLS_ACT=y
+CONFIG_NET_ACT_POLICE=y
+CONFIG_NET_CLS_IND=y
+# CONFIG_WIRELESS is not set
+CONFIG_DEVTMPFS=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_CRYPTOLOOP=m
+CONFIG_IDE=y
+# CONFIG_IDE_PROC_FS is not set
+# CONFIG_IDEPCI_PCIBUS_ORDER is not set
+CONFIG_BLK_DEV_GENERIC=y
+CONFIG_BLK_DEV_PIIX=y
+CONFIG_SCSI=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_CHR_DEV_SG=y
+# CONFIG_SCSI_LOWLEVEL is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_NET_VENDOR_ADAPTEC is not set
+# CONFIG_NET_VENDOR_ALTEON is not set
+CONFIG_PCNET32=y
+# CONFIG_NET_VENDOR_ATHEROS is not set
+# CONFIG_NET_VENDOR_BROADCOM is not set
+# CONFIG_NET_VENDOR_BROCADE is not set
+# CONFIG_NET_VENDOR_CHELSIO is not set
+# CONFIG_NET_VENDOR_CISCO is not set
+# CONFIG_NET_VENDOR_DEC is not set
+# CONFIG_NET_VENDOR_DLINK is not set
+# CONFIG_NET_VENDOR_EMULEX is not set
+# CONFIG_NET_VENDOR_EXAR is not set
+# CONFIG_NET_VENDOR_HP is not set
+# CONFIG_NET_VENDOR_INTEL is not set
+# CONFIG_NET_VENDOR_MARVELL is not set
+# CONFIG_NET_VENDOR_MELLANOX is not set
+# CONFIG_NET_VENDOR_MICREL is not set
+# CONFIG_NET_VENDOR_MYRI is not set
+# CONFIG_NET_VENDOR_NATSEMI is not set
+# CONFIG_NET_VENDOR_NVIDIA is not set
+# CONFIG_NET_VENDOR_OKI is not set
+# CONFIG_NET_PACKET_ENGINE is not set
+# CONFIG_NET_VENDOR_QLOGIC is not set
+# CONFIG_NET_VENDOR_REALTEK is not set
+# CONFIG_NET_VENDOR_RDC is not set
+# CONFIG_NET_VENDOR_SEEQ is not set
+# CONFIG_NET_VENDOR_SILAN is not set
+# CONFIG_NET_VENDOR_SIS is not set
+# CONFIG_NET_VENDOR_SMSC is not set
+# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SUN is not set
+# CONFIG_NET_VENDOR_TEHUTI is not set
+# CONFIG_NET_VENDOR_TI is not set
+# CONFIG_NET_VENDOR_TOSHIBA is not set
+# CONFIG_NET_VENDOR_VIA is not set
+# CONFIG_NET_VENDOR_WIZNET is not set
+# CONFIG_WLAN is not set
+# CONFIG_VT is not set
+CONFIG_LEGACY_PTY_COUNT=4
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_HW_RANDOM=y
+# CONFIG_HWMON is not set
+CONFIG_VIDEO_OUTPUT_CONTROL=m
+CONFIG_FB=y
+CONFIG_FIRMWARE_EDID=y
+CONFIG_FB_MATROX=y
+CONFIG_FB_MATROX_G=y
+CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=y
+# CONFIG_USB_EHCI_TT_NEWSCHED is not set
+CONFIG_USB_UHCI_HCD=y
+CONFIG_USB_STORAGE=y
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_IDE_DISK=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_LEDS_TRIGGER_BACKLIGHT=y
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_CMOS=y
+CONFIG_EXT2_FS=y
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
+CONFIG_XFS_FS=y
+CONFIG_XFS_QUOTA=y
+CONFIG_XFS_POSIX_ACL=y
+CONFIG_QUOTA=y
+CONFIG_QFMT_V2=y
+CONFIG_MSDOS_FS=m
+CONFIG_VFAT_FS=m
+CONFIG_PROC_KCORE=y
+CONFIG_TMPFS=y
+CONFIG_NFS_FS=y
+CONFIG_ROOT_NFS=y
+CONFIG_CIFS=m
+CONFIG_CIFS_WEAK_PW_HASH=y
+CONFIG_CIFS_XATTR=y
+CONFIG_CIFS_POSIX=y
+CONFIG_NLS_CODEPAGE_437=m
+CONFIG_NLS_ISO8859_1=m
+# CONFIG_FTRACE is not set
+CONFIG_CRYPTO_NULL=m
+CONFIG_CRYPTO_PCBC=m
+CONFIG_CRYPTO_HMAC=y
+CONFIG_CRYPTO_MICHAEL_MIC=m
+CONFIG_CRYPTO_SHA512=m
+CONFIG_CRYPTO_TGR192=m
+CONFIG_CRYPTO_WP512=m
+CONFIG_CRYPTO_ANUBIS=m
+CONFIG_CRYPTO_BLOWFISH=m
+CONFIG_CRYPTO_CAST5=m
+CONFIG_CRYPTO_CAST6=m
+CONFIG_CRYPTO_KHAZAD=m
+CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_TEA=m
+CONFIG_CRYPTO_TWOFISH=m
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+# CONFIG_CRYPTO_HW is not set
diff --git a/arch/mips/configs/maltaup_defconfig b/arch/mips/configs/maltaup_defconfig
index 9868fc9..6234464 100644
--- a/arch/mips/configs/maltaup_defconfig
+++ b/arch/mips/configs/maltaup_defconfig
@@ -43,7 +43,6 @@
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
# CONFIG_INET_LRO is not set
-CONFIG_IPV6_PRIVACY=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
@@ -54,7 +53,6 @@
CONFIG_DEV_APPLETALK=m
CONFIG_IPDDP=m
CONFIG_IPDDP_ENCAP=y
-CONFIG_IPDDP_DECAP=y
CONFIG_NET_SCHED=y
CONFIG_NET_SCH_CBQ=m
CONFIG_NET_SCH_HTB=m
@@ -79,6 +77,7 @@
CONFIG_NET_ACT_POLICE=y
CONFIG_NET_CLS_IND=y
# CONFIG_WIRELESS is not set
+CONFIG_DEVTMPFS=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_CRYPTOLOOP=m
CONFIG_IDE=y
diff --git a/arch/mips/include/asm/asm-eva.h b/arch/mips/include/asm/asm-eva.h
new file mode 100644
index 0000000..e41c56e
--- /dev/null
+++ b/arch/mips/include/asm/asm-eva.h
@@ -0,0 +1,135 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2014 Imagination Technologies Ltd.
+ *
+ */
+
+#ifndef __ASM_ASM_EVA_H
+#define __ASM_ASM_EVA_H
+
+#ifndef __ASSEMBLY__
+#ifdef CONFIG_EVA
+
+#define __BUILD_EVA_INSN(insn, reg, addr) \
+ " .set push\n" \
+ " .set mips0\n" \
+ " .set eva\n" \
+ " "insn" "reg", "addr "\n" \
+ " .set pop\n"
+
+#define user_cache(op, base) __BUILD_EVA_INSN("cachee", op, base)
+#define user_ll(reg, addr) __BUILD_EVA_INSN("lle", reg, addr)
+#define user_sc(reg, addr) __BUILD_EVA_INSN("sce", reg, addr)
+#define user_lw(reg, addr) __BUILD_EVA_INSN("lwe", reg, addr)
+#define user_lwl(reg, addr) __BUILD_EVA_INSN("lwle", reg, addr)
+#define user_lwr(reg, addr) __BUILD_EVA_INSN("lwre", reg, addr)
+#define user_lh(reg, addr) __BUILD_EVA_INSN("lhe", reg, addr)
+#define user_lb(reg, addr) __BUILD_EVA_INSN("lbe", reg, addr)
+#define user_lbu(reg, addr) __BUILD_EVA_INSN("lbue", reg, addr)
+/* No 64-bit EVA instruction for loading double words */
+#define user_ld(reg, addr) user_lw(reg, addr)
+#define user_sw(reg, addr) __BUILD_EVA_INSN("swe", reg, addr)
+#define user_swl(reg, addr) __BUILD_EVA_INSN("swle", reg, addr)
+#define user_swr(reg, addr) __BUILD_EVA_INSN("swre", reg, addr)
+#define user_sh(reg, addr) __BUILD_EVA_INSN("she", reg, addr)
+#define user_sb(reg, addr) __BUILD_EVA_INSN("sbe", reg, addr)
+/* No 64-bit EVA instruction for storing double words */
+#define user_sd(reg, addr) user_sw(reg, addr)
+
+#else
+
+#define user_cache(op, base) "cache " op ", " base "\n"
+#define user_ll(reg, addr) "ll " reg ", " addr "\n"
+#define user_sc(reg, addr) "sc " reg ", " addr "\n"
+#define user_lw(reg, addr) "lw " reg ", " addr "\n"
+#define user_lwl(reg, addr) "lwl " reg ", " addr "\n"
+#define user_lwr(reg, addr) "lwr " reg ", " addr "\n"
+#define user_lh(reg, addr) "lh " reg ", " addr "\n"
+#define user_lb(reg, addr) "lb " reg ", " addr "\n"
+#define user_lbu(reg, addr) "lbu " reg ", " addr "\n"
+#define user_sw(reg, addr) "sw " reg ", " addr "\n"
+#define user_swl(reg, addr) "swl " reg ", " addr "\n"
+#define user_swr(reg, addr) "swr " reg ", " addr "\n"
+#define user_sh(reg, addr) "sh " reg ", " addr "\n"
+#define user_sb(reg, addr) "sb " reg ", " addr "\n"
+
+#ifdef CONFIG_32BIT
+/*
+ * No 'sd' or 'ld' instructions in 32-bit but the code will
+ * do the correct thing
+ */
+#define user_sd(reg, addr) user_sw(reg, addr)
+#define user_ld(reg, addr) user_lw(reg, addr)
+#else
+#define user_sd(reg, addr) "sd " reg", " addr "\n"
+#define user_ld(reg, addr) "ld " reg", " addr "\n"
+#endif /* CONFIG_32BIT */
+
+#endif /* CONFIG_EVA */
+
+#else /* __ASSEMBLY__ */
+
+#ifdef CONFIG_EVA
+
+#define __BUILD_EVA_INSN(insn, reg, addr) \
+ .set push; \
+ .set mips0; \
+ .set eva; \
+ insn reg, addr; \
+ .set pop;
+
+#define user_cache(op, base) __BUILD_EVA_INSN(cachee, op, base)
+#define user_ll(reg, addr) __BUILD_EVA_INSN(lle, reg, addr)
+#define user_sc(reg, addr) __BUILD_EVA_INSN(sce, reg, addr)
+#define user_lw(reg, addr) __BUILD_EVA_INSN(lwe, reg, addr)
+#define user_lwl(reg, addr) __BUILD_EVA_INSN(lwle, reg, addr)
+#define user_lwr(reg, addr) __BUILD_EVA_INSN(lwre, reg, addr)
+#define user_lh(reg, addr) __BUILD_EVA_INSN(lhe, reg, addr)
+#define user_lb(reg, addr) __BUILD_EVA_INSN(lbe, reg, addr)
+#define user_lbu(reg, addr) __BUILD_EVA_INSN(lbue, reg, addr)
+/* No 64-bit EVA instruction for loading double words */
+#define user_ld(reg, addr) user_lw(reg, addr)
+#define user_sw(reg, addr) __BUILD_EVA_INSN(swe, reg, addr)
+#define user_swl(reg, addr) __BUILD_EVA_INSN(swle, reg, addr)
+#define user_swr(reg, addr) __BUILD_EVA_INSN(swre, reg, addr)
+#define user_sh(reg, addr) __BUILD_EVA_INSN(she, reg, addr)
+#define user_sb(reg, addr) __BUILD_EVA_INSN(sbe, reg, addr)
+/* No 64-bit EVA instruction for loading double words */
+#define user_sd(reg, addr) user_sw(reg, addr)
+#else
+
+#define user_cache(op, base) cache op, base
+#define user_ll(reg, addr) ll reg, addr
+#define user_sc(reg, addr) sc reg, addr
+#define user_lw(reg, addr) lw reg, addr
+#define user_lwl(reg, addr) lwl reg, addr
+#define user_lwr(reg, addr) lwr reg, addr
+#define user_lh(reg, addr) lh reg, addr
+#define user_lb(reg, addr) lb reg, addr
+#define user_lbu(reg, addr) lbu reg, addr
+#define user_sw(reg, addr) sw reg, addr
+#define user_swl(reg, addr) swl reg, addr
+#define user_swr(reg, addr) swr reg, addr
+#define user_sh(reg, addr) sh reg, addr
+#define user_sb(reg, addr) sb reg, addr
+
+#ifdef CONFIG_32BIT
+/*
+ * No 'sd' or 'ld' instructions in 32-bit but the code will
+ * do the correct thing
+ */
+#define user_sd(reg, addr) user_sw(reg, addr)
+#define user_ld(reg, addr) user_lw(reg, addr)
+#else
+#define user_sd(reg, addr) sd reg, addr
+#define user_ld(reg, addr) ld reg, addr
+#endif /* CONFIG_32BIT */
+
+#endif /* CONFIG_EVA */
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __ASM_ASM_EVA_H */
diff --git a/arch/mips/include/asm/asm.h b/arch/mips/include/asm/asm.h
index 879691d..7c26b28 100644
--- a/arch/mips/include/asm/asm.h
+++ b/arch/mips/include/asm/asm.h
@@ -18,6 +18,7 @@
#define __ASM_ASM_H
#include <asm/sgidefs.h>
+#include <asm/asm-eva.h>
#ifndef CAT
#ifdef __STDC__
@@ -145,19 +146,27 @@
#define PREF(hint,addr) \
.set push; \
- .set mips4; \
+ .set arch=r5000; \
pref hint, addr; \
.set pop
+#define PREFE(hint, addr) \
+ .set push; \
+ .set mips0; \
+ .set eva; \
+ prefe hint, addr; \
+ .set pop
+
#define PREFX(hint,addr) \
.set push; \
- .set mips4; \
+ .set arch=r5000; \
prefx hint, addr; \
.set pop
#else /* !CONFIG_CPU_HAS_PREFETCH */
#define PREF(hint, addr)
+#define PREFE(hint, addr)
#define PREFX(hint, addr)
#endif /* !CONFIG_CPU_HAS_PREFETCH */
diff --git a/arch/mips/include/asm/asmmacro-32.h b/arch/mips/include/asm/asmmacro-32.h
index 70e1f17..e38c281 100644
--- a/arch/mips/include/asm/asmmacro-32.h
+++ b/arch/mips/include/asm/asmmacro-32.h
@@ -14,75 +14,75 @@
.macro fpu_save_single thread tmp=t0
cfc1 \tmp, fcr31
- swc1 $f0, THREAD_FPR0(\thread)
- swc1 $f1, THREAD_FPR1(\thread)
- swc1 $f2, THREAD_FPR2(\thread)
- swc1 $f3, THREAD_FPR3(\thread)
- swc1 $f4, THREAD_FPR4(\thread)
- swc1 $f5, THREAD_FPR5(\thread)
- swc1 $f6, THREAD_FPR6(\thread)
- swc1 $f7, THREAD_FPR7(\thread)
- swc1 $f8, THREAD_FPR8(\thread)
- swc1 $f9, THREAD_FPR9(\thread)
- swc1 $f10, THREAD_FPR10(\thread)
- swc1 $f11, THREAD_FPR11(\thread)
- swc1 $f12, THREAD_FPR12(\thread)
- swc1 $f13, THREAD_FPR13(\thread)
- swc1 $f14, THREAD_FPR14(\thread)
- swc1 $f15, THREAD_FPR15(\thread)
- swc1 $f16, THREAD_FPR16(\thread)
- swc1 $f17, THREAD_FPR17(\thread)
- swc1 $f18, THREAD_FPR18(\thread)
- swc1 $f19, THREAD_FPR19(\thread)
- swc1 $f20, THREAD_FPR20(\thread)
- swc1 $f21, THREAD_FPR21(\thread)
- swc1 $f22, THREAD_FPR22(\thread)
- swc1 $f23, THREAD_FPR23(\thread)
- swc1 $f24, THREAD_FPR24(\thread)
- swc1 $f25, THREAD_FPR25(\thread)
- swc1 $f26, THREAD_FPR26(\thread)
- swc1 $f27, THREAD_FPR27(\thread)
- swc1 $f28, THREAD_FPR28(\thread)
- swc1 $f29, THREAD_FPR29(\thread)
- swc1 $f30, THREAD_FPR30(\thread)
- swc1 $f31, THREAD_FPR31(\thread)
+ swc1 $f0, THREAD_FPR0_LS64(\thread)
+ swc1 $f1, THREAD_FPR1_LS64(\thread)
+ swc1 $f2, THREAD_FPR2_LS64(\thread)
+ swc1 $f3, THREAD_FPR3_LS64(\thread)
+ swc1 $f4, THREAD_FPR4_LS64(\thread)
+ swc1 $f5, THREAD_FPR5_LS64(\thread)
+ swc1 $f6, THREAD_FPR6_LS64(\thread)
+ swc1 $f7, THREAD_FPR7_LS64(\thread)
+ swc1 $f8, THREAD_FPR8_LS64(\thread)
+ swc1 $f9, THREAD_FPR9_LS64(\thread)
+ swc1 $f10, THREAD_FPR10_LS64(\thread)
+ swc1 $f11, THREAD_FPR11_LS64(\thread)
+ swc1 $f12, THREAD_FPR12_LS64(\thread)
+ swc1 $f13, THREAD_FPR13_LS64(\thread)
+ swc1 $f14, THREAD_FPR14_LS64(\thread)
+ swc1 $f15, THREAD_FPR15_LS64(\thread)
+ swc1 $f16, THREAD_FPR16_LS64(\thread)
+ swc1 $f17, THREAD_FPR17_LS64(\thread)
+ swc1 $f18, THREAD_FPR18_LS64(\thread)
+ swc1 $f19, THREAD_FPR19_LS64(\thread)
+ swc1 $f20, THREAD_FPR20_LS64(\thread)
+ swc1 $f21, THREAD_FPR21_LS64(\thread)
+ swc1 $f22, THREAD_FPR22_LS64(\thread)
+ swc1 $f23, THREAD_FPR23_LS64(\thread)
+ swc1 $f24, THREAD_FPR24_LS64(\thread)
+ swc1 $f25, THREAD_FPR25_LS64(\thread)
+ swc1 $f26, THREAD_FPR26_LS64(\thread)
+ swc1 $f27, THREAD_FPR27_LS64(\thread)
+ swc1 $f28, THREAD_FPR28_LS64(\thread)
+ swc1 $f29, THREAD_FPR29_LS64(\thread)
+ swc1 $f30, THREAD_FPR30_LS64(\thread)
+ swc1 $f31, THREAD_FPR31_LS64(\thread)
sw \tmp, THREAD_FCR31(\thread)
.endm
.macro fpu_restore_single thread tmp=t0
lw \tmp, THREAD_FCR31(\thread)
- lwc1 $f0, THREAD_FPR0(\thread)
- lwc1 $f1, THREAD_FPR1(\thread)
- lwc1 $f2, THREAD_FPR2(\thread)
- lwc1 $f3, THREAD_FPR3(\thread)
- lwc1 $f4, THREAD_FPR4(\thread)
- lwc1 $f5, THREAD_FPR5(\thread)
- lwc1 $f6, THREAD_FPR6(\thread)
- lwc1 $f7, THREAD_FPR7(\thread)
- lwc1 $f8, THREAD_FPR8(\thread)
- lwc1 $f9, THREAD_FPR9(\thread)
- lwc1 $f10, THREAD_FPR10(\thread)
- lwc1 $f11, THREAD_FPR11(\thread)
- lwc1 $f12, THREAD_FPR12(\thread)
- lwc1 $f13, THREAD_FPR13(\thread)
- lwc1 $f14, THREAD_FPR14(\thread)
- lwc1 $f15, THREAD_FPR15(\thread)
- lwc1 $f16, THREAD_FPR16(\thread)
- lwc1 $f17, THREAD_FPR17(\thread)
- lwc1 $f18, THREAD_FPR18(\thread)
- lwc1 $f19, THREAD_FPR19(\thread)
- lwc1 $f20, THREAD_FPR20(\thread)
- lwc1 $f21, THREAD_FPR21(\thread)
- lwc1 $f22, THREAD_FPR22(\thread)
- lwc1 $f23, THREAD_FPR23(\thread)
- lwc1 $f24, THREAD_FPR24(\thread)
- lwc1 $f25, THREAD_FPR25(\thread)
- lwc1 $f26, THREAD_FPR26(\thread)
- lwc1 $f27, THREAD_FPR27(\thread)
- lwc1 $f28, THREAD_FPR28(\thread)
- lwc1 $f29, THREAD_FPR29(\thread)
- lwc1 $f30, THREAD_FPR30(\thread)
- lwc1 $f31, THREAD_FPR31(\thread)
+ lwc1 $f0, THREAD_FPR0_LS64(\thread)
+ lwc1 $f1, THREAD_FPR1_LS64(\thread)
+ lwc1 $f2, THREAD_FPR2_LS64(\thread)
+ lwc1 $f3, THREAD_FPR3_LS64(\thread)
+ lwc1 $f4, THREAD_FPR4_LS64(\thread)
+ lwc1 $f5, THREAD_FPR5_LS64(\thread)
+ lwc1 $f6, THREAD_FPR6_LS64(\thread)
+ lwc1 $f7, THREAD_FPR7_LS64(\thread)
+ lwc1 $f8, THREAD_FPR8_LS64(\thread)
+ lwc1 $f9, THREAD_FPR9_LS64(\thread)
+ lwc1 $f10, THREAD_FPR10_LS64(\thread)
+ lwc1 $f11, THREAD_FPR11_LS64(\thread)
+ lwc1 $f12, THREAD_FPR12_LS64(\thread)
+ lwc1 $f13, THREAD_FPR13_LS64(\thread)
+ lwc1 $f14, THREAD_FPR14_LS64(\thread)
+ lwc1 $f15, THREAD_FPR15_LS64(\thread)
+ lwc1 $f16, THREAD_FPR16_LS64(\thread)
+ lwc1 $f17, THREAD_FPR17_LS64(\thread)
+ lwc1 $f18, THREAD_FPR18_LS64(\thread)
+ lwc1 $f19, THREAD_FPR19_LS64(\thread)
+ lwc1 $f20, THREAD_FPR20_LS64(\thread)
+ lwc1 $f21, THREAD_FPR21_LS64(\thread)
+ lwc1 $f22, THREAD_FPR22_LS64(\thread)
+ lwc1 $f23, THREAD_FPR23_LS64(\thread)
+ lwc1 $f24, THREAD_FPR24_LS64(\thread)
+ lwc1 $f25, THREAD_FPR25_LS64(\thread)
+ lwc1 $f26, THREAD_FPR26_LS64(\thread)
+ lwc1 $f27, THREAD_FPR27_LS64(\thread)
+ lwc1 $f28, THREAD_FPR28_LS64(\thread)
+ lwc1 $f29, THREAD_FPR29_LS64(\thread)
+ lwc1 $f30, THREAD_FPR30_LS64(\thread)
+ lwc1 $f31, THREAD_FPR31_LS64(\thread)
ctc1 \tmp, fcr31
.endm
diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h
index 4225e99..b464b8b 100644
--- a/arch/mips/include/asm/asmmacro.h
+++ b/arch/mips/include/asm/asmmacro.h
@@ -75,44 +75,44 @@
.macro fpu_save_16even thread tmp=t0
cfc1 \tmp, fcr31
- sdc1 $f0, THREAD_FPR0(\thread)
- sdc1 $f2, THREAD_FPR2(\thread)
- sdc1 $f4, THREAD_FPR4(\thread)
- sdc1 $f6, THREAD_FPR6(\thread)
- sdc1 $f8, THREAD_FPR8(\thread)
- sdc1 $f10, THREAD_FPR10(\thread)
- sdc1 $f12, THREAD_FPR12(\thread)
- sdc1 $f14, THREAD_FPR14(\thread)
- sdc1 $f16, THREAD_FPR16(\thread)
- sdc1 $f18, THREAD_FPR18(\thread)
- sdc1 $f20, THREAD_FPR20(\thread)
- sdc1 $f22, THREAD_FPR22(\thread)
- sdc1 $f24, THREAD_FPR24(\thread)
- sdc1 $f26, THREAD_FPR26(\thread)
- sdc1 $f28, THREAD_FPR28(\thread)
- sdc1 $f30, THREAD_FPR30(\thread)
+ sdc1 $f0, THREAD_FPR0_LS64(\thread)
+ sdc1 $f2, THREAD_FPR2_LS64(\thread)
+ sdc1 $f4, THREAD_FPR4_LS64(\thread)
+ sdc1 $f6, THREAD_FPR6_LS64(\thread)
+ sdc1 $f8, THREAD_FPR8_LS64(\thread)
+ sdc1 $f10, THREAD_FPR10_LS64(\thread)
+ sdc1 $f12, THREAD_FPR12_LS64(\thread)
+ sdc1 $f14, THREAD_FPR14_LS64(\thread)
+ sdc1 $f16, THREAD_FPR16_LS64(\thread)
+ sdc1 $f18, THREAD_FPR18_LS64(\thread)
+ sdc1 $f20, THREAD_FPR20_LS64(\thread)
+ sdc1 $f22, THREAD_FPR22_LS64(\thread)
+ sdc1 $f24, THREAD_FPR24_LS64(\thread)
+ sdc1 $f26, THREAD_FPR26_LS64(\thread)
+ sdc1 $f28, THREAD_FPR28_LS64(\thread)
+ sdc1 $f30, THREAD_FPR30_LS64(\thread)
sw \tmp, THREAD_FCR31(\thread)
.endm
.macro fpu_save_16odd thread
.set push
.set mips64r2
- sdc1 $f1, THREAD_FPR1(\thread)
- sdc1 $f3, THREAD_FPR3(\thread)
- sdc1 $f5, THREAD_FPR5(\thread)
- sdc1 $f7, THREAD_FPR7(\thread)
- sdc1 $f9, THREAD_FPR9(\thread)
- sdc1 $f11, THREAD_FPR11(\thread)
- sdc1 $f13, THREAD_FPR13(\thread)
- sdc1 $f15, THREAD_FPR15(\thread)
- sdc1 $f17, THREAD_FPR17(\thread)
- sdc1 $f19, THREAD_FPR19(\thread)
- sdc1 $f21, THREAD_FPR21(\thread)
- sdc1 $f23, THREAD_FPR23(\thread)
- sdc1 $f25, THREAD_FPR25(\thread)
- sdc1 $f27, THREAD_FPR27(\thread)
- sdc1 $f29, THREAD_FPR29(\thread)
- sdc1 $f31, THREAD_FPR31(\thread)
+ sdc1 $f1, THREAD_FPR1_LS64(\thread)
+ sdc1 $f3, THREAD_FPR3_LS64(\thread)
+ sdc1 $f5, THREAD_FPR5_LS64(\thread)
+ sdc1 $f7, THREAD_FPR7_LS64(\thread)
+ sdc1 $f9, THREAD_FPR9_LS64(\thread)
+ sdc1 $f11, THREAD_FPR11_LS64(\thread)
+ sdc1 $f13, THREAD_FPR13_LS64(\thread)
+ sdc1 $f15, THREAD_FPR15_LS64(\thread)
+ sdc1 $f17, THREAD_FPR17_LS64(\thread)
+ sdc1 $f19, THREAD_FPR19_LS64(\thread)
+ sdc1 $f21, THREAD_FPR21_LS64(\thread)
+ sdc1 $f23, THREAD_FPR23_LS64(\thread)
+ sdc1 $f25, THREAD_FPR25_LS64(\thread)
+ sdc1 $f27, THREAD_FPR27_LS64(\thread)
+ sdc1 $f29, THREAD_FPR29_LS64(\thread)
+ sdc1 $f31, THREAD_FPR31_LS64(\thread)
.set pop
.endm
@@ -128,44 +128,44 @@
.macro fpu_restore_16even thread tmp=t0
lw \tmp, THREAD_FCR31(\thread)
- ldc1 $f0, THREAD_FPR0(\thread)
- ldc1 $f2, THREAD_FPR2(\thread)
- ldc1 $f4, THREAD_FPR4(\thread)
- ldc1 $f6, THREAD_FPR6(\thread)
- ldc1 $f8, THREAD_FPR8(\thread)
- ldc1 $f10, THREAD_FPR10(\thread)
- ldc1 $f12, THREAD_FPR12(\thread)
- ldc1 $f14, THREAD_FPR14(\thread)
- ldc1 $f16, THREAD_FPR16(\thread)
- ldc1 $f18, THREAD_FPR18(\thread)
- ldc1 $f20, THREAD_FPR20(\thread)
- ldc1 $f22, THREAD_FPR22(\thread)
- ldc1 $f24, THREAD_FPR24(\thread)
- ldc1 $f26, THREAD_FPR26(\thread)
- ldc1 $f28, THREAD_FPR28(\thread)
- ldc1 $f30, THREAD_FPR30(\thread)
+ ldc1 $f0, THREAD_FPR0_LS64(\thread)
+ ldc1 $f2, THREAD_FPR2_LS64(\thread)
+ ldc1 $f4, THREAD_FPR4_LS64(\thread)
+ ldc1 $f6, THREAD_FPR6_LS64(\thread)
+ ldc1 $f8, THREAD_FPR8_LS64(\thread)
+ ldc1 $f10, THREAD_FPR10_LS64(\thread)
+ ldc1 $f12, THREAD_FPR12_LS64(\thread)
+ ldc1 $f14, THREAD_FPR14_LS64(\thread)
+ ldc1 $f16, THREAD_FPR16_LS64(\thread)
+ ldc1 $f18, THREAD_FPR18_LS64(\thread)
+ ldc1 $f20, THREAD_FPR20_LS64(\thread)
+ ldc1 $f22, THREAD_FPR22_LS64(\thread)
+ ldc1 $f24, THREAD_FPR24_LS64(\thread)
+ ldc1 $f26, THREAD_FPR26_LS64(\thread)
+ ldc1 $f28, THREAD_FPR28_LS64(\thread)
+ ldc1 $f30, THREAD_FPR30_LS64(\thread)
ctc1 \tmp, fcr31
.endm
.macro fpu_restore_16odd thread
.set push
.set mips64r2
- ldc1 $f1, THREAD_FPR1(\thread)
- ldc1 $f3, THREAD_FPR3(\thread)
- ldc1 $f5, THREAD_FPR5(\thread)
- ldc1 $f7, THREAD_FPR7(\thread)
- ldc1 $f9, THREAD_FPR9(\thread)
- ldc1 $f11, THREAD_FPR11(\thread)
- ldc1 $f13, THREAD_FPR13(\thread)
- ldc1 $f15, THREAD_FPR15(\thread)
- ldc1 $f17, THREAD_FPR17(\thread)
- ldc1 $f19, THREAD_FPR19(\thread)
- ldc1 $f21, THREAD_FPR21(\thread)
- ldc1 $f23, THREAD_FPR23(\thread)
- ldc1 $f25, THREAD_FPR25(\thread)
- ldc1 $f27, THREAD_FPR27(\thread)
- ldc1 $f29, THREAD_FPR29(\thread)
- ldc1 $f31, THREAD_FPR31(\thread)
+ ldc1 $f1, THREAD_FPR1_LS64(\thread)
+ ldc1 $f3, THREAD_FPR3_LS64(\thread)
+ ldc1 $f5, THREAD_FPR5_LS64(\thread)
+ ldc1 $f7, THREAD_FPR7_LS64(\thread)
+ ldc1 $f9, THREAD_FPR9_LS64(\thread)
+ ldc1 $f11, THREAD_FPR11_LS64(\thread)
+ ldc1 $f13, THREAD_FPR13_LS64(\thread)
+ ldc1 $f15, THREAD_FPR15_LS64(\thread)
+ ldc1 $f17, THREAD_FPR17_LS64(\thread)
+ ldc1 $f19, THREAD_FPR19_LS64(\thread)
+ ldc1 $f21, THREAD_FPR21_LS64(\thread)
+ ldc1 $f23, THREAD_FPR23_LS64(\thread)
+ ldc1 $f25, THREAD_FPR25_LS64(\thread)
+ ldc1 $f27, THREAD_FPR27_LS64(\thread)
+ ldc1 $f29, THREAD_FPR29_LS64(\thread)
+ ldc1 $f31, THREAD_FPR31_LS64(\thread)
.set pop
.endm
@@ -180,6 +180,17 @@
fpu_restore_16even \thread \tmp
.endm
+#ifdef CONFIG_CPU_MIPSR2
+ .macro _EXT rd, rs, p, s
+ ext \rd, \rs, \p, \s
+ .endm
+#else /* !CONFIG_CPU_MIPSR2 */
+ .macro _EXT rd, rs, p, s
+ srl \rd, \rs, \p
+ andi \rd, \rd, (1 << \s) - 1
+ .endm
+#endif /* !CONFIG_CPU_MIPSR2 */
+
/*
* Temporary until all gas have MT ASE support
*/
@@ -207,4 +218,195 @@
.word 0x41800000 | (\rt << 16) | (\rd << 11) | (\u << 5) | (\sel)
.endm
+#ifdef TOOLCHAIN_SUPPORTS_MSA
+ .macro ld_d wd, off, base
+ .set push
+ .set mips32r2
+ .set msa
+ ld.d $w\wd, \off(\base)
+ .set pop
+ .endm
+
+ .macro st_d wd, off, base
+ .set push
+ .set mips32r2
+ .set msa
+ st.d $w\wd, \off(\base)
+ .set pop
+ .endm
+
+ .macro copy_u_w rd, ws, n
+ .set push
+ .set mips32r2
+ .set msa
+ copy_u.w \rd, $w\ws[\n]
+ .set pop
+ .endm
+
+ .macro copy_u_d rd, ws, n
+ .set push
+ .set mips64r2
+ .set msa
+ copy_u.d \rd, $w\ws[\n]
+ .set pop
+ .endm
+
+ .macro insert_w wd, n, rs
+ .set push
+ .set mips32r2
+ .set msa
+ insert.w $w\wd[\n], \rs
+ .set pop
+ .endm
+
+ .macro insert_d wd, n, rs
+ .set push
+ .set mips64r2
+ .set msa
+ insert.d $w\wd[\n], \rs
+ .set pop
+ .endm
+#else
+ /*
+ * Temporary until all toolchains in use include MSA support.
+ */
+ .macro cfcmsa rd, cs
+ .set push
+ .set noat
+ .word 0x787e0059 | (\cs << 11)
+ move \rd, $1
+ .set pop
+ .endm
+
+ .macro ctcmsa cd, rs
+ .set push
+ .set noat
+ move $1, \rs
+ .word 0x783e0819 | (\cd << 6)
+ .set pop
+ .endm
+
+ .macro ld_d wd, off, base
+ .set push
+ .set noat
+ add $1, \base, \off
+ .word 0x78000823 | (\wd << 6)
+ .set pop
+ .endm
+
+ .macro st_d wd, off, base
+ .set push
+ .set noat
+ add $1, \base, \off
+ .word 0x78000827 | (\wd << 6)
+ .set pop
+ .endm
+
+ .macro copy_u_w rd, ws, n
+ .set push
+ .set noat
+ .word 0x78f00059 | (\n << 16) | (\ws << 11)
+ /* move triggers an assembler bug... */
+ or \rd, $1, zero
+ .set pop
+ .endm
+
+ .macro copy_u_d rd, ws, n
+ .set push
+ .set noat
+ .word 0x78f80059 | (\n << 16) | (\ws << 11)
+ /* move triggers an assembler bug... */
+ or \rd, $1, zero
+ .set pop
+ .endm
+
+ .macro insert_w wd, n, rs
+ .set push
+ .set noat
+ /* move triggers an assembler bug... */
+ or $1, \rs, zero
+ .word 0x79300819 | (\n << 16) | (\wd << 6)
+ .set pop
+ .endm
+
+ .macro insert_d wd, n, rs
+ .set push
+ .set noat
+ /* move triggers an assembler bug... */
+ or $1, \rs, zero
+ .word 0x79380819 | (\n << 16) | (\wd << 6)
+ .set pop
+ .endm
+#endif
+
+ .macro msa_save_all thread
+ st_d 0, THREAD_FPR0, \thread
+ st_d 1, THREAD_FPR1, \thread
+ st_d 2, THREAD_FPR2, \thread
+ st_d 3, THREAD_FPR3, \thread
+ st_d 4, THREAD_FPR4, \thread
+ st_d 5, THREAD_FPR5, \thread
+ st_d 6, THREAD_FPR6, \thread
+ st_d 7, THREAD_FPR7, \thread
+ st_d 8, THREAD_FPR8, \thread
+ st_d 9, THREAD_FPR9, \thread
+ st_d 10, THREAD_FPR10, \thread
+ st_d 11, THREAD_FPR11, \thread
+ st_d 12, THREAD_FPR12, \thread
+ st_d 13, THREAD_FPR13, \thread
+ st_d 14, THREAD_FPR14, \thread
+ st_d 15, THREAD_FPR15, \thread
+ st_d 16, THREAD_FPR16, \thread
+ st_d 17, THREAD_FPR17, \thread
+ st_d 18, THREAD_FPR18, \thread
+ st_d 19, THREAD_FPR19, \thread
+ st_d 20, THREAD_FPR20, \thread
+ st_d 21, THREAD_FPR21, \thread
+ st_d 22, THREAD_FPR22, \thread
+ st_d 23, THREAD_FPR23, \thread
+ st_d 24, THREAD_FPR24, \thread
+ st_d 25, THREAD_FPR25, \thread
+ st_d 26, THREAD_FPR26, \thread
+ st_d 27, THREAD_FPR27, \thread
+ st_d 28, THREAD_FPR28, \thread
+ st_d 29, THREAD_FPR29, \thread
+ st_d 30, THREAD_FPR30, \thread
+ st_d 31, THREAD_FPR31, \thread
+ .endm
+
+ .macro msa_restore_all thread
+ ld_d 0, THREAD_FPR0, \thread
+ ld_d 1, THREAD_FPR1, \thread
+ ld_d 2, THREAD_FPR2, \thread
+ ld_d 3, THREAD_FPR3, \thread
+ ld_d 4, THREAD_FPR4, \thread
+ ld_d 5, THREAD_FPR5, \thread
+ ld_d 6, THREAD_FPR6, \thread
+ ld_d 7, THREAD_FPR7, \thread
+ ld_d 8, THREAD_FPR8, \thread
+ ld_d 9, THREAD_FPR9, \thread
+ ld_d 10, THREAD_FPR10, \thread
+ ld_d 11, THREAD_FPR11, \thread
+ ld_d 12, THREAD_FPR12, \thread
+ ld_d 13, THREAD_FPR13, \thread
+ ld_d 14, THREAD_FPR14, \thread
+ ld_d 15, THREAD_FPR15, \thread
+ ld_d 16, THREAD_FPR16, \thread
+ ld_d 17, THREAD_FPR17, \thread
+ ld_d 18, THREAD_FPR18, \thread
+ ld_d 19, THREAD_FPR19, \thread
+ ld_d 20, THREAD_FPR20, \thread
+ ld_d 21, THREAD_FPR21, \thread
+ ld_d 22, THREAD_FPR22, \thread
+ ld_d 23, THREAD_FPR23, \thread
+ ld_d 24, THREAD_FPR24, \thread
+ ld_d 25, THREAD_FPR25, \thread
+ ld_d 26, THREAD_FPR26, \thread
+ ld_d 27, THREAD_FPR27, \thread
+ ld_d 28, THREAD_FPR28, \thread
+ ld_d 29, THREAD_FPR29, \thread
+ ld_d 30, THREAD_FPR30, \thread
+ ld_d 31, THREAD_FPR31, \thread
+ .endm
+
#endif /* _ASM_ASMMACRO_H */
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index 7eed2f2..e8eb3d5 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -53,7 +53,7 @@
int temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %0, %1 # atomic_add \n"
" addu %0, %2 \n"
" sc %0, %1 \n"
@@ -66,7 +66,7 @@
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" ll %0, %1 # atomic_add \n"
" addu %0, %2 \n"
" sc %0, %1 \n"
@@ -96,7 +96,7 @@
int temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %0, %1 # atomic_sub \n"
" subu %0, %2 \n"
" sc %0, %1 \n"
@@ -109,7 +109,7 @@
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" ll %0, %1 # atomic_sub \n"
" subu %0, %2 \n"
" sc %0, %1 \n"
@@ -139,7 +139,7 @@
int temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %1, %2 # atomic_add_return \n"
" addu %0, %1, %3 \n"
" sc %0, %2 \n"
@@ -153,7 +153,7 @@
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" ll %1, %2 # atomic_add_return \n"
" addu %0, %1, %3 \n"
" sc %0, %2 \n"
@@ -188,7 +188,7 @@
int temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %1, %2 # atomic_sub_return \n"
" subu %0, %1, %3 \n"
" sc %0, %2 \n"
@@ -205,7 +205,7 @@
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" ll %1, %2 # atomic_sub_return \n"
" subu %0, %1, %3 \n"
" sc %0, %2 \n"
@@ -248,7 +248,7 @@
int temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %1, %2 # atomic_sub_if_positive\n"
" subu %0, %1, %3 \n"
" bltz %0, 1f \n"
@@ -266,7 +266,7 @@
int temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %1, %2 # atomic_sub_if_positive\n"
" subu %0, %1, %3 \n"
" bltz %0, 1f \n"
@@ -420,7 +420,7 @@
long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: lld %0, %1 # atomic64_add \n"
" daddu %0, %2 \n"
" scd %0, %1 \n"
@@ -433,7 +433,7 @@
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" lld %0, %1 # atomic64_add \n"
" daddu %0, %2 \n"
" scd %0, %1 \n"
@@ -463,7 +463,7 @@
long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: lld %0, %1 # atomic64_sub \n"
" dsubu %0, %2 \n"
" scd %0, %1 \n"
@@ -476,7 +476,7 @@
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" lld %0, %1 # atomic64_sub \n"
" dsubu %0, %2 \n"
" scd %0, %1 \n"
@@ -506,7 +506,7 @@
long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: lld %1, %2 # atomic64_add_return \n"
" daddu %0, %1, %3 \n"
" scd %0, %2 \n"
@@ -520,7 +520,7 @@
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" lld %1, %2 # atomic64_add_return \n"
" daddu %0, %1, %3 \n"
" scd %0, %2 \n"
@@ -556,7 +556,7 @@
long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: lld %1, %2 # atomic64_sub_return \n"
" dsubu %0, %1, %3 \n"
" scd %0, %2 \n"
@@ -571,7 +571,7 @@
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" lld %1, %2 # atomic64_sub_return \n"
" dsubu %0, %1, %3 \n"
" scd %0, %2 \n"
@@ -615,7 +615,7 @@
long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: lld %1, %2 # atomic64_sub_if_positive\n"
" dsubu %0, %1, %3 \n"
" bltz %0, 1f \n"
@@ -633,7 +633,7 @@
long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: lld %1, %2 # atomic64_sub_if_positive\n"
" dsubu %0, %1, %3 \n"
" bltz %0, 1f \n"
diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h
index 71305a8..6a65d49 100644
--- a/arch/mips/include/asm/bitops.h
+++ b/arch/mips/include/asm/bitops.h
@@ -79,7 +79,7 @@
if (kernel_uses_llsc && R10000_LLSC_WAR) {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: " __LL "%0, %1 # set_bit \n"
" or %0, %2 \n"
" " __SC "%0, %1 \n"
@@ -101,7 +101,7 @@
} else if (kernel_uses_llsc) {
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" " __LL "%0, %1 # set_bit \n"
" or %0, %2 \n"
" " __SC "%0, %1 \n"
@@ -131,7 +131,7 @@
if (kernel_uses_llsc && R10000_LLSC_WAR) {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: " __LL "%0, %1 # clear_bit \n"
" and %0, %2 \n"
" " __SC "%0, %1 \n"
@@ -153,7 +153,7 @@
} else if (kernel_uses_llsc) {
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" " __LL "%0, %1 # clear_bit \n"
" and %0, %2 \n"
" " __SC "%0, %1 \n"
@@ -197,7 +197,7 @@
unsigned long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: " __LL "%0, %1 # change_bit \n"
" xor %0, %2 \n"
" " __SC "%0, %1 \n"
@@ -211,7 +211,7 @@
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" " __LL "%0, %1 # change_bit \n"
" xor %0, %2 \n"
" " __SC "%0, %1 \n"
@@ -244,7 +244,7 @@
unsigned long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: " __LL "%0, %1 # test_and_set_bit \n"
" or %2, %0, %3 \n"
" " __SC "%2, %1 \n"
@@ -260,7 +260,7 @@
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" " __LL "%0, %1 # test_and_set_bit \n"
" or %2, %0, %3 \n"
" " __SC "%2, %1 \n"
@@ -298,7 +298,7 @@
unsigned long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: " __LL "%0, %1 # test_and_set_bit \n"
" or %2, %0, %3 \n"
" " __SC "%2, %1 \n"
@@ -314,7 +314,7 @@
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" " __LL "%0, %1 # test_and_set_bit \n"
" or %2, %0, %3 \n"
" " __SC "%2, %1 \n"
@@ -353,7 +353,7 @@
unsigned long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: " __LL "%0, %1 # test_and_clear_bit \n"
" or %2, %0, %3 \n"
" xor %2, %3 \n"
@@ -386,7 +386,7 @@
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" " __LL "%0, %1 # test_and_clear_bit \n"
" or %2, %0, %3 \n"
" xor %2, %3 \n"
@@ -427,7 +427,7 @@
unsigned long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: " __LL "%0, %1 # test_and_change_bit \n"
" xor %2, %0, %3 \n"
" " __SC "%2, %1 \n"
@@ -443,7 +443,7 @@
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" " __LL "%0, %1 # test_and_change_bit \n"
" xor %2, %0, %3 \n"
" " __SC "\t%2, %1 \n"
diff --git a/arch/mips/include/asm/bootinfo.h b/arch/mips/include/asm/bootinfo.h
index 4d2cdea..1f7ca8b 100644
--- a/arch/mips/include/asm/bootinfo.h
+++ b/arch/mips/include/asm/bootinfo.h
@@ -61,15 +61,21 @@
/*
* Valid machtype for Loongson family
*/
-#define MACH_LOONGSON_UNKNOWN 0
-#define MACH_LEMOTE_FL2E 1
-#define MACH_LEMOTE_FL2F 2
-#define MACH_LEMOTE_ML2F7 3
-#define MACH_LEMOTE_YL2F89 4
-#define MACH_DEXXON_GDIUM2F10 5
-#define MACH_LEMOTE_NAS 6
-#define MACH_LEMOTE_LL2F 7
-#define MACH_LOONGSON_END 8
+enum loongson_machine_type {
+ MACH_LOONGSON_UNKNOWN,
+ MACH_LEMOTE_FL2E,
+ MACH_LEMOTE_FL2F,
+ MACH_LEMOTE_ML2F7,
+ MACH_LEMOTE_YL2F89,
+ MACH_DEXXON_GDIUM2F10,
+ MACH_LEMOTE_NAS,
+ MACH_LEMOTE_LL2F,
+ MACH_LEMOTE_A1004,
+ MACH_LEMOTE_A1101,
+ MACH_LEMOTE_A1201,
+ MACH_LEMOTE_A1205,
+ MACH_LOONGSON_END
+};
/*
* Valid machtype for group INGENIC
@@ -112,6 +118,8 @@
extern void free_init_pages(const char *what,
unsigned long begin, unsigned long end);
+extern void (*free_init_pages_eva)(void *begin, void *end);
+
/*
* Initial kernel command line, usually setup by prom_init()
*/
diff --git a/arch/mips/include/asm/checksum.h b/arch/mips/include/asm/checksum.h
index ac3d2b8..3418c51 100644
--- a/arch/mips/include/asm/checksum.h
+++ b/arch/mips/include/asm/checksum.h
@@ -7,6 +7,7 @@
* Copyright (C) 1999 Silicon Graphics, Inc.
* Copyright (C) 2001 Thiemo Seufer.
* Copyright (C) 2002 Maciej W. Rozycki
+ * Copyright (C) 2014 Imagination Technologies Ltd.
*/
#ifndef _ASM_CHECKSUM_H
#define _ASM_CHECKSUM_H
@@ -29,9 +30,13 @@
*/
__wsum csum_partial(const void *buff, int len, __wsum sum);
-__wsum __csum_partial_copy_user(const void *src, void *dst,
- int len, __wsum sum, int *err_ptr);
+__wsum __csum_partial_copy_kernel(const void *src, void *dst,
+ int len, __wsum sum, int *err_ptr);
+__wsum __csum_partial_copy_from_user(const void *src, void *dst,
+ int len, __wsum sum, int *err_ptr);
+__wsum __csum_partial_copy_to_user(const void *src, void *dst,
+ int len, __wsum sum, int *err_ptr);
/*
* this is a new version of the above that records errors it finds in *errp,
* but continues and zeros the rest of the buffer.
@@ -41,8 +46,26 @@
__wsum sum, int *err_ptr)
{
might_fault();
- return __csum_partial_copy_user((__force void *)src, dst,
- len, sum, err_ptr);
+ if (segment_eq(get_fs(), get_ds()))
+ return __csum_partial_copy_kernel((__force void *)src, dst,
+ len, sum, err_ptr);
+ else
+ return __csum_partial_copy_from_user((__force void *)src, dst,
+ len, sum, err_ptr);
+}
+
+#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
+static inline
+__wsum csum_and_copy_from_user(const void __user *src, void *dst,
+ int len, __wsum sum, int *err_ptr)
+{
+ if (access_ok(VERIFY_READ, src, len))
+ return csum_partial_copy_from_user(src, dst, len, sum,
+ err_ptr);
+ if (len)
+ *err_ptr = -EFAULT;
+
+ return sum;
}
/*
@@ -54,9 +77,16 @@
__wsum sum, int *err_ptr)
{
might_fault();
- if (access_ok(VERIFY_WRITE, dst, len))
- return __csum_partial_copy_user(src, (__force void *)dst,
- len, sum, err_ptr);
+ if (access_ok(VERIFY_WRITE, dst, len)) {
+ if (segment_eq(get_fs(), get_ds()))
+ return __csum_partial_copy_kernel(src,
+ (__force void *)dst,
+ len, sum, err_ptr);
+ else
+ return __csum_partial_copy_to_user(src,
+ (__force void *)dst,
+ len, sum, err_ptr);
+ }
if (len)
*err_ptr = -EFAULT;
diff --git a/arch/mips/include/asm/cmpxchg.h b/arch/mips/include/asm/cmpxchg.h
index 466069b..eefcaa3 100644
--- a/arch/mips/include/asm/cmpxchg.h
+++ b/arch/mips/include/asm/cmpxchg.h
@@ -22,11 +22,11 @@
unsigned long dummy;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %0, %3 # xchg_u32 \n"
" .set mips0 \n"
" move %2, %z4 \n"
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" sc %2, %1 \n"
" beqzl %2, 1b \n"
" .set mips0 \n"
@@ -38,11 +38,11 @@
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" ll %0, %3 # xchg_u32 \n"
" .set mips0 \n"
" move %2, %z4 \n"
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" sc %2, %1 \n"
" .set mips0 \n"
: "=&r" (retval), "=m" (*m), "=&r" (dummy)
@@ -74,7 +74,7 @@
unsigned long dummy;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: lld %0, %3 # xchg_u64 \n"
" move %2, %z4 \n"
" scd %2, %1 \n"
@@ -88,7 +88,7 @@
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" lld %0, %3 # xchg_u64 \n"
" move %2, %z4 \n"
" scd %2, %1 \n"
@@ -145,12 +145,12 @@
__asm__ __volatile__( \
" .set push \n" \
" .set noat \n" \
- " .set mips3 \n" \
+ " .set arch=r4000 \n" \
"1: " ld " %0, %2 # __cmpxchg_asm \n" \
" bne %0, %z3, 2f \n" \
" .set mips0 \n" \
" move $1, %z4 \n" \
- " .set mips3 \n" \
+ " .set arch=r4000 \n" \
" " st " $1, %1 \n" \
" beqzl $1, 1b \n" \
"2: \n" \
@@ -162,12 +162,12 @@
__asm__ __volatile__( \
" .set push \n" \
" .set noat \n" \
- " .set mips3 \n" \
+ " .set arch=r4000 \n" \
"1: " ld " %0, %2 # __cmpxchg_asm \n" \
" bne %0, %z3, 2f \n" \
" .set mips0 \n" \
" move $1, %z4 \n" \
- " .set mips3 \n" \
+ " .set arch=r4000 \n" \
" " st " $1, %1 \n" \
" beqz $1, 1b \n" \
" .set pop \n" \
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index 6e70b03..f56cc97 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -26,7 +26,9 @@
#ifndef cpu_has_segments
#define cpu_has_segments (cpu_data[0].options & MIPS_CPU_SEGMENTS)
#endif
-
+#ifndef cpu_has_eva
+#define cpu_has_eva (cpu_data[0].options & MIPS_CPU_EVA)
+#endif
/*
* For the moment we don't consider R6000 and R8000 so we can assume that
@@ -299,4 +301,10 @@
#define cpu_has_vz (cpu_data[0].ases & MIPS_ASE_VZ)
#endif
+#if defined(CONFIG_CPU_HAS_MSA) && !defined(cpu_has_msa)
+# define cpu_has_msa (cpu_data[0].ases & MIPS_ASE_MSA)
+#elif !defined(cpu_has_msa)
+# define cpu_has_msa 0
+#endif
+
#endif /* __ASM_CPU_FEATURES_H */
diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h
index 8f7adf0..dc2135b 100644
--- a/arch/mips/include/asm/cpu-info.h
+++ b/arch/mips/include/asm/cpu-info.h
@@ -49,6 +49,7 @@
unsigned long ases;
unsigned int processor_id;
unsigned int fpu_id;
+ unsigned int msa_id;
unsigned int cputype;
int isa_level;
int tlbsize;
@@ -95,4 +96,31 @@
extern const char *__cpu_name[];
#define cpu_name_string() __cpu_name[smp_processor_id()]
+struct seq_file;
+struct notifier_block;
+
+extern int register_proc_cpuinfo_notifier(struct notifier_block *nb);
+extern int proc_cpuinfo_notifier_call_chain(unsigned long val, void *v);
+
+#define proc_cpuinfo_notifier(fn, pri) \
+({ \
+ static struct notifier_block fn##_nb = { \
+ .notifier_call = fn, \
+ .priority = pri \
+ }; \
+ \
+ register_proc_cpuinfo_notifier(&fn##_nb); \
+})
+
+struct proc_cpuinfo_notifier_args {
+ struct seq_file *m;
+ unsigned long n;
+};
+
+#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_MIPS_MT_SMTC)
+# define cpu_vpe_id(cpuinfo) ((cpuinfo)->vpe_id)
+#else
+# define cpu_vpe_id(cpuinfo) 0
+#endif
+
#endif /* __ASM_CPU_INFO_H */
diff --git a/arch/mips/include/asm/cpu-type.h b/arch/mips/include/asm/cpu-type.h
index 02f591b..72190613 100644
--- a/arch/mips/include/asm/cpu-type.h
+++ b/arch/mips/include/asm/cpu-type.h
@@ -20,6 +20,10 @@
case CPU_LOONGSON2:
#endif
+#ifdef CONFIG_SYS_HAS_CPU_LOONGSON3
+ case CPU_LOONGSON3:
+#endif
+
#ifdef CONFIG_SYS_HAS_CPU_LOONGSON1B
case CPU_LOONGSON1:
#endif
@@ -46,6 +50,8 @@
case CPU_M14KEC:
case CPU_INTERAPTIV:
case CPU_PROAPTIV:
+ case CPU_P5600:
+ case CPU_M5150:
#endif
#ifdef CONFIG_SYS_HAS_CPU_MIPS64_R1
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index 76411df..530eb8b 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -82,10 +82,10 @@
#define PRID_IMP_RM7000 0x2700
#define PRID_IMP_NEVADA 0x2800 /* RM5260 ??? */
#define PRID_IMP_RM9000 0x3400
-#define PRID_IMP_LOONGSON1 0x4200
+#define PRID_IMP_LOONGSON_32 0x4200 /* Loongson-1 */
#define PRID_IMP_R5432 0x5400
#define PRID_IMP_R5500 0x5500
-#define PRID_IMP_LOONGSON2 0x6300
+#define PRID_IMP_LOONGSON_64 0x6300 /* Loongson-2/3 */
#define PRID_IMP_UNKNOWN 0xff00
@@ -115,6 +115,8 @@
#define PRID_IMP_INTERAPTIV_MP 0xa100
#define PRID_IMP_PROAPTIV_UP 0xa200
#define PRID_IMP_PROAPTIV_MP 0xa300
+#define PRID_IMP_M5150 0xa700
+#define PRID_IMP_P5600 0xa800
/*
* These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
@@ -229,6 +231,7 @@
#define PRID_REV_LOONGSON1B 0x0020
#define PRID_REV_LOONGSON2E 0x0002
#define PRID_REV_LOONGSON2F 0x0003
+#define PRID_REV_LOONGSON3A 0x0005
/*
* Older processors used to encode processor version and revision in two
@@ -296,14 +299,14 @@
CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K,
CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350,
CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_LOONGSON1, CPU_M14KC,
- CPU_M14KEC, CPU_INTERAPTIV, CPU_PROAPTIV,
+ CPU_M14KEC, CPU_INTERAPTIV, CPU_P5600, CPU_PROAPTIV, CPU_1074K, CPU_M5150,
/*
* MIPS64 class processors
*/
CPU_5KC, CPU_5KE, CPU_20KC, CPU_25KF, CPU_SB1, CPU_SB1A, CPU_LOONGSON2,
- CPU_CAVIUM_OCTEON, CPU_CAVIUM_OCTEON_PLUS, CPU_CAVIUM_OCTEON2,
- CPU_CAVIUM_OCTEON3, CPU_XLR, CPU_XLP,
+ CPU_LOONGSON3, CPU_CAVIUM_OCTEON, CPU_CAVIUM_OCTEON_PLUS,
+ CPU_CAVIUM_OCTEON2, CPU_CAVIUM_OCTEON3, CPU_XLR, CPU_XLP,
CPU_LAST
};
@@ -358,6 +361,7 @@
#define MIPS_CPU_MICROMIPS 0x01000000 /* CPU has microMIPS capability */
#define MIPS_CPU_TLBINV 0x02000000 /* CPU supports TLBINV/F */
#define MIPS_CPU_SEGMENTS 0x04000000 /* CPU supports Segmentation Control registers */
+#define MIPS_CPU_EVA 0x80000000 /* CPU supports Enhanced Virtual Addressing */
/*
* CPU ASE encodings
@@ -370,5 +374,6 @@
#define MIPS_ASE_MIPSMT 0x00000020 /* CPU supports MIPS MT */
#define MIPS_ASE_DSP2P 0x00000040 /* Signal Processing ASE Rev 2 */
#define MIPS_ASE_VZ 0x00000080 /* Virtualization ASE */
+#define MIPS_ASE_MSA 0x00000100 /* MIPS SIMD Architecture */
#endif /* _ASM_CPU_H */
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
index 84238c5..06412aa 100644
--- a/arch/mips/include/asm/dma-mapping.h
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -49,9 +49,14 @@
static inline int
dma_set_mask(struct device *dev, u64 mask)
{
+ struct dma_map_ops *ops = get_dma_ops(dev);
+
if(!dev->dma_mask || !dma_supported(dev, mask))
return -EIO;
+ if (ops->set_dma_mask)
+ return ops->set_dma_mask(dev, mask);
+
*dev->dma_mask = mask;
return 0;
diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h
index 58e50cb..4d86b72 100644
--- a/arch/mips/include/asm/fpu.h
+++ b/arch/mips/include/asm/fpu.h
@@ -180,7 +180,7 @@
_restore_fp(tsk);
}
-static inline fpureg_t *get_fpu_regs(struct task_struct *tsk)
+static inline union fpureg *get_fpu_regs(struct task_struct *tsk)
{
if (tsk == current) {
preempt_disable();
diff --git a/arch/mips/include/asm/futex.h b/arch/mips/include/asm/futex.h
index 6ea1581..194cda0 100644
--- a/arch/mips/include/asm/futex.h
+++ b/arch/mips/include/asm/futex.h
@@ -12,6 +12,7 @@
#include <linux/futex.h>
#include <linux/uaccess.h>
+#include <asm/asm-eva.h>
#include <asm/barrier.h>
#include <asm/errno.h>
#include <asm/war.h>
@@ -22,11 +23,11 @@
__asm__ __volatile__( \
" .set push \n" \
" .set noat \n" \
- " .set mips3 \n" \
+ " .set arch=r4000 \n" \
"1: ll %1, %4 # __futex_atomic_op \n" \
" .set mips0 \n" \
" " insn " \n" \
- " .set mips3 \n" \
+ " .set arch=r4000 \n" \
"2: sc $1, %2 \n" \
" beqzl $1, 1b \n" \
__WEAK_LLSC_MB \
@@ -48,12 +49,12 @@
__asm__ __volatile__( \
" .set push \n" \
" .set noat \n" \
- " .set mips3 \n" \
- "1: ll %1, %4 # __futex_atomic_op \n" \
+ " .set arch=r4000 \n" \
+ "1: "user_ll("%1", "%4")" # __futex_atomic_op\n" \
" .set mips0 \n" \
" " insn " \n" \
- " .set mips3 \n" \
- "2: sc $1, %2 \n" \
+ " .set arch=r4000 \n" \
+ "2: "user_sc("$1", "%2")" \n" \
" beqz $1, 1b \n" \
__WEAK_LLSC_MB \
"3: \n" \
@@ -146,12 +147,12 @@
"# futex_atomic_cmpxchg_inatomic \n"
" .set push \n"
" .set noat \n"
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %1, %3 \n"
" bne %1, %z4, 3f \n"
" .set mips0 \n"
" move $1, %z5 \n"
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"2: sc $1, %2 \n"
" beqzl $1, 1b \n"
__WEAK_LLSC_MB
@@ -173,13 +174,13 @@
"# futex_atomic_cmpxchg_inatomic \n"
" .set push \n"
" .set noat \n"
- " .set mips3 \n"
- "1: ll %1, %3 \n"
+ " .set arch=r4000 \n"
+ "1: "user_ll("%1", "%3")" \n"
" bne %1, %z4, 3f \n"
" .set mips0 \n"
" move $1, %z5 \n"
- " .set mips3 \n"
- "2: sc $1, %2 \n"
+ " .set arch=r4000 \n"
+ "2: "user_sc("$1", "%2")" \n"
" beqz $1, 1b \n"
__WEAK_LLSC_MB
"3: \n"
diff --git a/arch/mips/include/asm/fw/fw.h b/arch/mips/include/asm/fw/fw.h
index d6c50a7..f3e6978 100644
--- a/arch/mips/include/asm/fw/fw.h
+++ b/arch/mips/include/asm/fw/fw.h
@@ -38,7 +38,7 @@
extern void fw_init_cmdline(void);
extern char *fw_getcmdline(void);
-extern fw_memblock_t *fw_getmdesc(void);
+extern fw_memblock_t *fw_getmdesc(int);
extern void fw_meminit(void);
extern char *fw_getenv(char *name);
extern unsigned long fw_getenvl(char *name);
diff --git a/arch/mips/include/asm/gcmpregs.h b/arch/mips/include/asm/gcmpregs.h
deleted file mode 100644
index a7359f7..0000000
--- a/arch/mips/include/asm/gcmpregs.h
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2000, 07 MIPS Technologies, Inc.
- *
- * Multiprocessor Subsystem Register Definitions
- *
- */
-#ifndef _ASM_GCMPREGS_H
-#define _ASM_GCMPREGS_H
-
-
-/* Offsets to major blocks within GCMP from GCMP base */
-#define GCMP_GCB_OFS 0x0000 /* Global Control Block */
-#define GCMP_CLCB_OFS 0x2000 /* Core Local Control Block */
-#define GCMP_COCB_OFS 0x4000 /* Core Other Control Block */
-#define GCMP_GDB_OFS 0x8000 /* Global Debug Block */
-
-/* Offsets to individual GCMP registers from GCMP base */
-#define GCMPOFS(block, tag, reg) \
- (GCMP_##block##_OFS + GCMP_##tag##_##reg##_OFS)
-#define GCMPOFSn(block, tag, reg, n) \
- (GCMP_##block##_OFS + GCMP_##tag##_##reg##_OFS(n))
-
-#define GCMPGCBOFS(reg) GCMPOFS(GCB, GCB, reg)
-#define GCMPGCBOFSn(reg, n) GCMPOFSn(GCB, GCB, reg, n)
-#define GCMPCLCBOFS(reg) GCMPOFS(CLCB, CCB, reg)
-#define GCMPCOCBOFS(reg) GCMPOFS(COCB, CCB, reg)
-#define GCMPGDBOFS(reg) GCMPOFS(GDB, GDB, reg)
-
-/* GCMP register access */
-#define GCMPGCB(reg) REGP(_gcmp_base, GCMPGCBOFS(reg))
-#define GCMPGCBn(reg, n) REGP(_gcmp_base, GCMPGCBOFSn(reg, n))
-#define GCMPCLCB(reg) REGP(_gcmp_base, GCMPCLCBOFS(reg))
-#define GCMPCOCB(reg) REGP(_gcmp_base, GCMPCOCBOFS(reg))
-#define GCMPGDB(reg) REGP(_gcmp_base, GCMPGDBOFS(reg))
-
-/* Mask generation */
-#define GCMPMSK(block, reg, bits) (MSK(bits)<<GCMP_##block##_##reg##_SHF)
-#define GCMPGCBMSK(reg, bits) GCMPMSK(GCB, reg, bits)
-#define GCMPCCBMSK(reg, bits) GCMPMSK(CCB, reg, bits)
-#define GCMPGDBMSK(reg, bits) GCMPMSK(GDB, reg, bits)
-
-/* GCB registers */
-#define GCMP_GCB_GC_OFS 0x0000 /* Global Config Register */
-#define GCMP_GCB_GC_NUMIOCU_SHF 8
-#define GCMP_GCB_GC_NUMIOCU_MSK GCMPGCBMSK(GC_NUMIOCU, 4)
-#define GCMP_GCB_GC_NUMCORES_SHF 0
-#define GCMP_GCB_GC_NUMCORES_MSK GCMPGCBMSK(GC_NUMCORES, 8)
-#define GCMP_GCB_GCMPB_OFS 0x0008 /* Global GCMP Base */
-#define GCMP_GCB_GCMPB_GCMPBASE_SHF 15
-#define GCMP_GCB_GCMPB_GCMPBASE_MSK GCMPGCBMSK(GCMPB_GCMPBASE, 17)
-#define GCMP_GCB_GCMPB_CMDEFTGT_SHF 0
-#define GCMP_GCB_GCMPB_CMDEFTGT_MSK GCMPGCBMSK(GCMPB_CMDEFTGT, 2)
-#define GCMP_GCB_GCMPB_CMDEFTGT_DISABLED 0
-#define GCMP_GCB_GCMPB_CMDEFTGT_MEM 1
-#define GCMP_GCB_GCMPB_CMDEFTGT_IOCU1 2
-#define GCMP_GCB_GCMPB_CMDEFTGT_IOCU2 3
-#define GCMP_GCB_CCMC_OFS 0x0010 /* Global CM Control */
-#define GCMP_GCB_GCSRAP_OFS 0x0020 /* Global CSR Access Privilege */
-#define GCMP_GCB_GCSRAP_CMACCESS_SHF 0
-#define GCMP_GCB_GCSRAP_CMACCESS_MSK GCMPGCBMSK(GCSRAP_CMACCESS, 8)
-#define GCMP_GCB_GCMPREV_OFS 0x0030 /* GCMP Revision Register */
-#define GCMP_GCB_GCMEM_OFS 0x0040 /* Global CM Error Mask */
-#define GCMP_GCB_GCMEC_OFS 0x0048 /* Global CM Error Cause */
-#define GCMP_GCB_GMEC_ERROR_TYPE_SHF 27
-#define GCMP_GCB_GMEC_ERROR_TYPE_MSK GCMPGCBMSK(GMEC_ERROR_TYPE, 5)
-#define GCMP_GCB_GMEC_ERROR_INFO_SHF 0
-#define GCMP_GCB_GMEC_ERROR_INFO_MSK GCMPGCBMSK(GMEC_ERROR_INFO, 27)
-#define GCMP_GCB_GCMEA_OFS 0x0050 /* Global CM Error Address */
-#define GCMP_GCB_GCMEO_OFS 0x0058 /* Global CM Error Multiple */
-#define GCMP_GCB_GMEO_ERROR_2ND_SHF 0
-#define GCMP_GCB_GMEO_ERROR_2ND_MSK GCMPGCBMSK(GMEO_ERROR_2ND, 5)
-#define GCMP_GCB_GICBA_OFS 0x0080 /* Global Interrupt Controller Base Address */
-#define GCMP_GCB_GICBA_BASE_SHF 17
-#define GCMP_GCB_GICBA_BASE_MSK GCMPGCBMSK(GICBA_BASE, 15)
-#define GCMP_GCB_GICBA_EN_SHF 0
-#define GCMP_GCB_GICBA_EN_MSK GCMPGCBMSK(GICBA_EN, 1)
-
-/* GCB Regions */
-#define GCMP_GCB_CMxBASE_OFS(n) (0x0090+16*(n)) /* Global Region[0-3] Base Address */
-#define GCMP_GCB_CMxBASE_BASE_SHF 16
-#define GCMP_GCB_CMxBASE_BASE_MSK GCMPGCBMSK(CMxBASE_BASE, 16)
-#define GCMP_GCB_CMxMASK_OFS(n) (0x0098+16*(n)) /* Global Region[0-3] Address Mask */
-#define GCMP_GCB_CMxMASK_MASK_SHF 16
-#define GCMP_GCB_CMxMASK_MASK_MSK GCMPGCBMSK(CMxMASK_MASK, 16)
-#define GCMP_GCB_CMxMASK_CMREGTGT_SHF 0
-#define GCMP_GCB_CMxMASK_CMREGTGT_MSK GCMPGCBMSK(CMxMASK_CMREGTGT, 2)
-#define GCMP_GCB_CMxMASK_CMREGTGT_MEM 0
-#define GCMP_GCB_CMxMASK_CMREGTGT_MEM1 1
-#define GCMP_GCB_CMxMASK_CMREGTGT_IOCU1 2
-#define GCMP_GCB_CMxMASK_CMREGTGT_IOCU2 3
-
-
-/* Core local/Core other control block registers */
-#define GCMP_CCB_RESETR_OFS 0x0000 /* Reset Release */
-#define GCMP_CCB_RESETR_INRESET_SHF 0
-#define GCMP_CCB_RESETR_INRESET_MSK GCMPCCBMSK(RESETR_INRESET, 16)
-#define GCMP_CCB_COHCTL_OFS 0x0008 /* Coherence Control */
-#define GCMP_CCB_COHCTL_DOMAIN_SHF 0
-#define GCMP_CCB_COHCTL_DOMAIN_MSK GCMPCCBMSK(COHCTL_DOMAIN, 8)
-#define GCMP_CCB_CFG_OFS 0x0010 /* Config */
-#define GCMP_CCB_CFG_IOCUTYPE_SHF 10
-#define GCMP_CCB_CFG_IOCUTYPE_MSK GCMPCCBMSK(CFG_IOCUTYPE, 2)
-#define GCMP_CCB_CFG_IOCUTYPE_CPU 0
-#define GCMP_CCB_CFG_IOCUTYPE_NCIOCU 1
-#define GCMP_CCB_CFG_IOCUTYPE_CIOCU 2
-#define GCMP_CCB_CFG_NUMVPE_SHF 0
-#define GCMP_CCB_CFG_NUMVPE_MSK GCMPCCBMSK(CFG_NUMVPE, 10)
-#define GCMP_CCB_OTHER_OFS 0x0018 /* Other Address */
-#define GCMP_CCB_OTHER_CORENUM_SHF 16
-#define GCMP_CCB_OTHER_CORENUM_MSK GCMPCCBMSK(OTHER_CORENUM, 16)
-#define GCMP_CCB_RESETBASE_OFS 0x0020 /* Reset Exception Base */
-#define GCMP_CCB_RESETBASE_BEV_SHF 12
-#define GCMP_CCB_RESETBASE_BEV_MSK GCMPCCBMSK(RESETBASE_BEV, 20)
-#define GCMP_CCB_ID_OFS 0x0028 /* Identification */
-#define GCMP_CCB_DINTGROUP_OFS 0x0030 /* DINT Group Participate */
-#define GCMP_CCB_DBGGROUP_OFS 0x0100 /* DebugBreak Group */
-
-extern int __init gcmp_probe(unsigned long, unsigned long);
-extern int __init gcmp_niocu(void);
-extern void __init gcmp_setregion(int, unsigned long, unsigned long, int);
-#endif /* _ASM_GCMPREGS_H */
diff --git a/arch/mips/include/asm/gic.h b/arch/mips/include/asm/gic.h
index b2e3e93..0827166 100644
--- a/arch/mips/include/asm/gic.h
+++ b/arch/mips/include/asm/gic.h
@@ -11,6 +11,9 @@
#ifndef _ASM_GICREGS_H
#define _ASM_GICREGS_H
+#include <linux/bitmap.h>
+#include <linux/threads.h>
+
#undef GICISBYTELITTLEENDIAN
/* Constants */
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 3321dd5..933b50e 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -331,7 +331,7 @@
if (irq) \
local_irq_save(__flags); \
__asm__ __volatile__( \
- ".set mips3" "\t\t# __writeq""\n\t" \
+ ".set arch=r4000" "\t\t# __writeq""\n\t" \
"dsll32 %L0, %L0, 0" "\n\t" \
"dsrl32 %L0, %L0, 0" "\n\t" \
"dsll32 %M0, %M0, 0" "\n\t" \
@@ -361,7 +361,7 @@
if (irq) \
local_irq_save(__flags); \
__asm__ __volatile__( \
- ".set mips3" "\t\t# __readq" "\n\t" \
+ ".set arch=r4000" "\t\t# __readq" "\n\t" \
"ld %L0, %1" "\n\t" \
"dsra32 %M0, %L0, 0" "\n\t" \
"sll %L0, %L0, 0" "\n\t" \
@@ -584,7 +584,7 @@
*
* This API used to be exported; it now is for arch code internal use only.
*/
-#ifdef CONFIG_DMA_NONCOHERENT
+#if defined(CONFIG_DMA_NONCOHERENT) || defined(CONFIG_DMA_MAYBE_COHERENT)
extern void (*_dma_cache_wback_inv)(unsigned long start, unsigned long size);
extern void (*_dma_cache_wback)(unsigned long start, unsigned long size);
@@ -603,7 +603,7 @@
#define dma_cache_inv(start,size) \
do { (void) (start); (void) (size); } while (0)
-#endif /* CONFIG_DMA_NONCOHERENT */
+#endif /* CONFIG_DMA_NONCOHERENT || CONFIG_DMA_MAYBE_COHERENT */
/*
* Read a 32-bit register that requires a 64-bit read cycle on the bus.
diff --git a/arch/mips/include/asm/local.h b/arch/mips/include/asm/local.h
index d44622c..46dfc3c 100644
--- a/arch/mips/include/asm/local.h
+++ b/arch/mips/include/asm/local.h
@@ -33,7 +33,7 @@
unsigned long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1:" __LL "%1, %2 # local_add_return \n"
" addu %0, %1, %3 \n"
__SC "%0, %2 \n"
@@ -47,7 +47,7 @@
unsigned long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1:" __LL "%1, %2 # local_add_return \n"
" addu %0, %1, %3 \n"
__SC "%0, %2 \n"
@@ -78,7 +78,7 @@
unsigned long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1:" __LL "%1, %2 # local_sub_return \n"
" subu %0, %1, %3 \n"
__SC "%0, %2 \n"
@@ -92,7 +92,7 @@
unsigned long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1:" __LL "%1, %2 # local_sub_return \n"
" subu %0, %1, %3 \n"
__SC "%0, %2 \n"
diff --git a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
index 40005fb..bba7399 100644
--- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
+++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
@@ -27,7 +27,11 @@
BCM47XX_BOARD_ASUS_WL700GE,
BCM47XX_BOARD_ASUS_WLHDD,
+ BCM47XX_BOARD_BELKIN_F7D3301,
+ BCM47XX_BOARD_BELKIN_F7D3302,
BCM47XX_BOARD_BELKIN_F7D4301,
+ BCM47XX_BOARD_BELKIN_F7D4302,
+ BCM47XX_BOARD_BELKIN_F7D4401,
BCM47XX_BOARD_BUFFALO_WBR2_G54,
BCM47XX_BOARD_BUFFALO_WHR2_A54G54,
@@ -66,7 +70,7 @@
BCM47XX_BOARD_LINKSYS_WRT310NV1,
BCM47XX_BOARD_LINKSYS_WRT310NV2,
BCM47XX_BOARD_LINKSYS_WRT54G3GV2,
- BCM47XX_BOARD_LINKSYS_WRT54GSV1,
+ BCM47XX_BOARD_LINKSYS_WRT54G,
BCM47XX_BOARD_LINKSYS_WRT610NV1,
BCM47XX_BOARD_LINKSYS_WRT610NV2,
BCM47XX_BOARD_LINKSYS_WRTSL54GS,
@@ -94,6 +98,8 @@
BCM47XX_BOARD_PHICOMM_M1,
+ BCM47XX_BOARD_SIEMENS_SE505V2,
+
BCM47XX_BOARD_SIMPLETECH_SIMPLESHARE,
BCM47XX_BOARD_ZTE_H218N,
diff --git a/arch/mips/include/asm/mach-db1x00/db1200.h b/arch/mips/include/asm/mach-db1x00/db1200.h
deleted file mode 100644
index d3cce73..0000000
--- a/arch/mips/include/asm/mach-db1x00/db1200.h
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * AMD Alchemy DBAu1200 Reference Board
- * Board register defines.
- *
- * ########################################################################
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * ########################################################################
- *
- *
- */
-#ifndef __ASM_DB1200_H
-#define __ASM_DB1200_H
-
-#include <linux/types.h>
-#include <asm/mach-au1x00/au1000.h>
-#include <asm/mach-au1x00/au1xxx_psc.h>
-
-/* Bit positions for the different interrupt sources */
-#define BCSR_INT_IDE 0x0001
-#define BCSR_INT_ETH 0x0002
-#define BCSR_INT_PC0 0x0004
-#define BCSR_INT_PC0STSCHG 0x0008
-#define BCSR_INT_PC1 0x0010
-#define BCSR_INT_PC1STSCHG 0x0020
-#define BCSR_INT_DC 0x0040
-#define BCSR_INT_FLASHBUSY 0x0080
-#define BCSR_INT_PC0INSERT 0x0100
-#define BCSR_INT_PC0EJECT 0x0200
-#define BCSR_INT_PC1INSERT 0x0400
-#define BCSR_INT_PC1EJECT 0x0800
-#define BCSR_INT_SD0INSERT 0x1000
-#define BCSR_INT_SD0EJECT 0x2000
-#define BCSR_INT_SD1INSERT 0x4000
-#define BCSR_INT_SD1EJECT 0x8000
-
-#define IDE_REG_SHIFT 5
-
-#define DB1200_IDE_PHYS_ADDR 0x18800000
-#define DB1200_IDE_PHYS_LEN (16 << IDE_REG_SHIFT)
-#define DB1200_ETH_PHYS_ADDR 0x19000300
-#define DB1200_NAND_PHYS_ADDR 0x20000000
-
-#define PB1200_IDE_PHYS_ADDR 0x0C800000
-#define PB1200_ETH_PHYS_ADDR 0x0D000300
-#define PB1200_NAND_PHYS_ADDR 0x1C000000
-
-/*
- * External Interrupts for DBAu1200 as of 8/6/2004.
- * Bit positions in the CPLD registers can be calculated by taking
- * the interrupt define and subtracting the DB1200_INT_BEGIN value.
- *
- * Example: IDE bis pos is = 64 - 64
- * ETH bit pos is = 65 - 64
- */
-enum external_db1200_ints {
- DB1200_INT_BEGIN = AU1000_MAX_INTR + 1,
-
- DB1200_IDE_INT = DB1200_INT_BEGIN,
- DB1200_ETH_INT,
- DB1200_PC0_INT,
- DB1200_PC0_STSCHG_INT,
- DB1200_PC1_INT,
- DB1200_PC1_STSCHG_INT,
- DB1200_DC_INT,
- DB1200_FLASHBUSY_INT,
- DB1200_PC0_INSERT_INT,
- DB1200_PC0_EJECT_INT,
- DB1200_PC1_INSERT_INT,
- DB1200_PC1_EJECT_INT,
- DB1200_SD0_INSERT_INT,
- DB1200_SD0_EJECT_INT,
- PB1200_SD1_INSERT_INT,
- PB1200_SD1_EJECT_INT,
-
- DB1200_INT_END = DB1200_INT_BEGIN + 15,
-};
-
-#endif /* __ASM_DB1200_H */
diff --git a/arch/mips/include/asm/mach-db1x00/db1300.h b/arch/mips/include/asm/mach-db1x00/db1300.h
deleted file mode 100644
index 3d1ede4..0000000
--- a/arch/mips/include/asm/mach-db1x00/db1300.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * NetLogic DB1300 board constants
- */
-
-#ifndef _DB1300_H_
-#define _DB1300_H_
-
-/* FPGA (external mux) interrupt sources */
-#define DB1300_FIRST_INT (ALCHEMY_GPIC_INT_LAST + 1)
-#define DB1300_IDE_INT (DB1300_FIRST_INT + 0)
-#define DB1300_ETH_INT (DB1300_FIRST_INT + 1)
-#define DB1300_CF_INT (DB1300_FIRST_INT + 2)
-#define DB1300_VIDEO_INT (DB1300_FIRST_INT + 4)
-#define DB1300_HDMI_INT (DB1300_FIRST_INT + 5)
-#define DB1300_DC_INT (DB1300_FIRST_INT + 6)
-#define DB1300_FLASH_INT (DB1300_FIRST_INT + 7)
-#define DB1300_CF_INSERT_INT (DB1300_FIRST_INT + 8)
-#define DB1300_CF_EJECT_INT (DB1300_FIRST_INT + 9)
-#define DB1300_AC97_INT (DB1300_FIRST_INT + 10)
-#define DB1300_AC97_PEN_INT (DB1300_FIRST_INT + 11)
-#define DB1300_SD1_INSERT_INT (DB1300_FIRST_INT + 12)
-#define DB1300_SD1_EJECT_INT (DB1300_FIRST_INT + 13)
-#define DB1300_OTG_VBUS_OC_INT (DB1300_FIRST_INT + 14)
-#define DB1300_HOST_VBUS_OC_INT (DB1300_FIRST_INT + 15)
-#define DB1300_LAST_INT (DB1300_FIRST_INT + 15)
-
-/* SMSC9210 CS */
-#define DB1300_ETH_PHYS_ADDR 0x19000000
-#define DB1300_ETH_PHYS_END 0x197fffff
-
-/* ATA CS */
-#define DB1300_IDE_PHYS_ADDR 0x18800000
-#define DB1300_IDE_REG_SHIFT 5
-#define DB1300_IDE_PHYS_LEN (16 << DB1300_IDE_REG_SHIFT)
-
-/* NAND CS */
-#define DB1300_NAND_PHYS_ADDR 0x20000000
-#define DB1300_NAND_PHYS_END 0x20000fff
-
-#endif /* _DB1300_H_ */
diff --git a/arch/mips/include/asm/mach-loongson/boot_param.h b/arch/mips/include/asm/mach-loongson/boot_param.h
new file mode 100644
index 0000000..829a7ec
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson/boot_param.h
@@ -0,0 +1,163 @@
+#ifndef __ASM_MACH_LOONGSON_BOOT_PARAM_H_
+#define __ASM_MACH_LOONGSON_BOOT_PARAM_H_
+
+#define SYSTEM_RAM_LOW 1
+#define SYSTEM_RAM_HIGH 2
+#define MEM_RESERVED 3
+#define PCI_IO 4
+#define PCI_MEM 5
+#define LOONGSON_CFG_REG 6
+#define VIDEO_ROM 7
+#define ADAPTER_ROM 8
+#define ACPI_TABLE 9
+#define MAX_MEMORY_TYPE 10
+
+#define LOONGSON3_BOOT_MEM_MAP_MAX 128
+struct efi_memory_map_loongson {
+ u16 vers; /* version of efi_memory_map */
+ u32 nr_map; /* number of memory_maps */
+ u32 mem_freq; /* memory frequence */
+ struct mem_map {
+ u32 node_id; /* node_id which memory attached to */
+ u32 mem_type; /* system memory, pci memory, pci io, etc. */
+ u64 mem_start; /* memory map start address */
+ u32 mem_size; /* each memory_map size, not the total size */
+ } map[LOONGSON3_BOOT_MEM_MAP_MAX];
+} __packed;
+
+enum loongson_cpu_type {
+ Loongson_2E = 0,
+ Loongson_2F = 1,
+ Loongson_3A = 2,
+ Loongson_3B = 3,
+ Loongson_1A = 4,
+ Loongson_1B = 5
+};
+
+/*
+ * Capability and feature descriptor structure for MIPS CPU
+ */
+struct efi_cpuinfo_loongson {
+ u16 vers; /* version of efi_cpuinfo_loongson */
+ u32 processor_id; /* PRID, e.g. 6305, 6306 */
+ u32 cputype; /* Loongson_3A/3B, etc. */
+ u32 total_node; /* num of total numa nodes */
+ u32 cpu_startup_core_id; /* Core id */
+ u32 cpu_clock_freq; /* cpu_clock */
+ u32 nr_cpus;
+} __packed;
+
+struct system_loongson {
+ u16 vers; /* version of system_loongson */
+ u32 ccnuma_smp; /* 0: no numa; 1: has numa */
+ u32 sing_double_channel; /* 1:single; 2:double */
+} __packed;
+
+struct irq_source_routing_table {
+ u16 vers;
+ u16 size;
+ u16 rtr_bus;
+ u16 rtr_devfn;
+ u32 vendor;
+ u32 device;
+ u32 PIC_type; /* conform use HT or PCI to route to CPU-PIC */
+ u64 ht_int_bit; /* 3A: 1<<24; 3B: 1<<16 */
+ u64 ht_enable; /* irqs used in this PIC */
+ u32 node_id; /* node id: 0x0-0; 0x1-1; 0x10-2; 0x11-3 */
+ u64 pci_mem_start_addr;
+ u64 pci_mem_end_addr;
+ u64 pci_io_start_addr;
+ u64 pci_io_end_addr;
+ u64 pci_config_addr;
+ u32 dma_mask_bits;
+} __packed;
+
+struct interface_info {
+ u16 vers; /* version of the specificition */
+ u16 size;
+ u8 flag;
+ char description[64];
+} __packed;
+
+#define MAX_RESOURCE_NUMBER 128
+struct resource_loongson {
+ u64 start; /* resource start address */
+ u64 end; /* resource end address */
+ char name[64];
+ u32 flags;
+};
+
+struct archdev_data {}; /* arch specific additions */
+
+struct board_devices {
+ char name[64]; /* hold the device name */
+ u32 num_resources; /* number of device_resource */
+ /* for each device's resource */
+ struct resource_loongson resource[MAX_RESOURCE_NUMBER];
+ /* arch specific additions */
+ struct archdev_data archdata;
+};
+
+struct loongson_special_attribute {
+ u16 vers; /* version of this special */
+ char special_name[64]; /* special_atribute_name */
+ u32 loongson_special_type; /* type of special device */
+ /* for each device's resource */
+ struct resource_loongson resource[MAX_RESOURCE_NUMBER];
+};
+
+struct loongson_params {
+ u64 memory_offset; /* efi_memory_map_loongson struct offset */
+ u64 cpu_offset; /* efi_cpuinfo_loongson struct offset */
+ u64 system_offset; /* system_loongson struct offset */
+ u64 irq_offset; /* irq_source_routing_table struct offset */
+ u64 interface_offset; /* interface_info struct offset */
+ u64 special_offset; /* loongson_special_attribute struct offset */
+ u64 boarddev_table_offset; /* board_devices offset */
+};
+
+struct smbios_tables {
+ u16 vers; /* version of smbios */
+ u64 vga_bios; /* vga_bios address */
+ struct loongson_params lp;
+};
+
+struct efi_reset_system_t {
+ u64 ResetCold;
+ u64 ResetWarm;
+ u64 ResetType;
+ u64 Shutdown;
+ u64 DoSuspend; /* NULL if not support */
+};
+
+struct efi_loongson {
+ u64 mps; /* MPS table */
+ u64 acpi; /* ACPI table (IA64 ext 0.71) */
+ u64 acpi20; /* ACPI table (ACPI 2.0) */
+ struct smbios_tables smbios; /* SM BIOS table */
+ u64 sal_systab; /* SAL system table */
+ u64 boot_info; /* boot info table */
+};
+
+struct boot_params {
+ struct efi_loongson efi;
+ struct efi_reset_system_t reset_system;
+};
+
+struct loongson_system_configuration {
+ u32 nr_cpus;
+ enum loongson_cpu_type cputype;
+ u64 ht_control_base;
+ u64 pci_mem_start_addr;
+ u64 pci_mem_end_addr;
+ u64 pci_io_base;
+ u64 restart_addr;
+ u64 poweroff_addr;
+ u64 suspend_addr;
+ u64 vgabios_addr;
+ u32 dma_mask_bits;
+};
+
+extern struct efi_memory_map_loongson *loongson_memmap;
+extern struct loongson_system_configuration loongson_sysconf;
+#endif
diff --git a/arch/mips/include/asm/mach-loongson/dma-coherence.h b/arch/mips/include/asm/mach-loongson/dma-coherence.h
index aeb2c05..6a90275 100644
--- a/arch/mips/include/asm/mach-loongson/dma-coherence.h
+++ b/arch/mips/include/asm/mach-loongson/dma-coherence.h
@@ -11,24 +11,40 @@
#ifndef __ASM_MACH_LOONGSON_DMA_COHERENCE_H
#define __ASM_MACH_LOONGSON_DMA_COHERENCE_H
+#ifdef CONFIG_SWIOTLB
+#include <linux/swiotlb.h>
+#endif
+
struct device;
+extern dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr);
+extern phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr);
static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
size_t size)
{
+#ifdef CONFIG_CPU_LOONGSON3
+ return virt_to_phys(addr);
+#else
return virt_to_phys(addr) | 0x80000000;
+#endif
}
static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
struct page *page)
{
+#ifdef CONFIG_CPU_LOONGSON3
+ return page_to_phys(page);
+#else
return page_to_phys(page) | 0x80000000;
+#endif
}
static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
dma_addr_t dma_addr)
{
-#if defined(CONFIG_CPU_LOONGSON2F) && defined(CONFIG_64BIT)
+#if defined(CONFIG_CPU_LOONGSON3) && defined(CONFIG_64BIT)
+ return dma_addr;
+#elif defined(CONFIG_CPU_LOONGSON2F) && defined(CONFIG_64BIT)
return (dma_addr > 0x8fffffff) ? dma_addr : (dma_addr & 0x0fffffff);
#else
return dma_addr & 0x7fffffff;
@@ -55,7 +71,11 @@
static inline int plat_device_is_coherent(struct device *dev)
{
+#ifdef CONFIG_DMA_NONCOHERENT
return 0;
+#else
+ return 1;
+#endif /* CONFIG_DMA_NONCOHERENT */
}
#endif /* __ASM_MACH_LOONGSON_DMA_COHERENCE_H */
diff --git a/arch/mips/include/asm/mach-loongson/irq.h b/arch/mips/include/asm/mach-loongson/irq.h
new file mode 100644
index 0000000..34560bd
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson/irq.h
@@ -0,0 +1,44 @@
+#ifndef __ASM_MACH_LOONGSON_IRQ_H_
+#define __ASM_MACH_LOONGSON_IRQ_H_
+
+#include <boot_param.h>
+
+#ifdef CONFIG_CPU_LOONGSON3
+
+/* cpu core interrupt numbers */
+#define MIPS_CPU_IRQ_BASE 56
+
+#define LOONGSON_UART_IRQ (MIPS_CPU_IRQ_BASE + 2) /* UART */
+#define LOONGSON_HT1_IRQ (MIPS_CPU_IRQ_BASE + 3) /* HT1 */
+#define LOONGSON_TIMER_IRQ (MIPS_CPU_IRQ_BASE + 7) /* CPU Timer */
+
+#define LOONGSON_HT1_CFG_BASE loongson_sysconf.ht_control_base
+#define LOONGSON_HT1_INT_VECTOR_BASE (LOONGSON_HT1_CFG_BASE + 0x80)
+#define LOONGSON_HT1_INT_EN_BASE (LOONGSON_HT1_CFG_BASE + 0xa0)
+#define LOONGSON_HT1_INT_VECTOR(n) \
+ LOONGSON3_REG32(LOONGSON_HT1_INT_VECTOR_BASE, 4 * (n))
+#define LOONGSON_HT1_INTN_EN(n) \
+ LOONGSON3_REG32(LOONGSON_HT1_INT_EN_BASE, 4 * (n))
+
+#define LOONGSON_INT_ROUTER_OFFSET 0x1400
+#define LOONGSON_INT_ROUTER_INTEN \
+ LOONGSON3_REG32(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + 0x24)
+#define LOONGSON_INT_ROUTER_INTENSET \
+ LOONGSON3_REG32(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + 0x28)
+#define LOONGSON_INT_ROUTER_INTENCLR \
+ LOONGSON3_REG32(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + 0x2c)
+#define LOONGSON_INT_ROUTER_ENTRY(n) \
+ LOONGSON3_REG8(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + n)
+#define LOONGSON_INT_ROUTER_LPC LOONGSON_INT_ROUTER_ENTRY(0x0a)
+#define LOONGSON_INT_ROUTER_HT1(n) LOONGSON_INT_ROUTER_ENTRY(n + 0x18)
+
+#define LOONGSON_INT_CORE0_INT0 0x11 /* route to int 0 of core 0 */
+#define LOONGSON_INT_CORE0_INT1 0x21 /* route to int 1 of core 0 */
+
+#endif
+
+extern void fixup_irqs(void);
+extern void loongson3_ipi_interrupt(struct pt_regs *regs);
+
+#include_next <irq.h>
+#endif /* __ASM_MACH_LOONGSON_IRQ_H_ */
diff --git a/arch/mips/include/asm/mach-loongson/loongson.h b/arch/mips/include/asm/mach-loongson/loongson.h
index b286534..f3fd1eb 100644
--- a/arch/mips/include/asm/mach-loongson/loongson.h
+++ b/arch/mips/include/asm/mach-loongson/loongson.h
@@ -15,6 +15,7 @@
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/kconfig.h>
+#include <boot_param.h>
/* loongson internal northbridge initialization */
extern void bonito_irq_init(void);
@@ -24,8 +25,9 @@
extern void mach_prepare_shutdown(void);
/* environment arguments from bootloader */
-extern unsigned long cpu_clock_freq;
-extern unsigned long memsize, highmemsize;
+extern u32 cpu_clock_freq;
+extern u32 memsize, highmemsize;
+extern struct plat_smp_ops loongson3_smp_ops;
/* loongson-specific command line, env and memory initialization */
extern void __init prom_init_memory(void);
@@ -61,6 +63,12 @@
#define LOONGSON_REG(x) \
(*(volatile u32 *)((char *)CKSEG1ADDR(LOONGSON_REG_BASE) + (x)))
+#define LOONGSON3_REG8(base, x) \
+ (*(volatile u8 *)((char *)TO_UNCAC(base) + (x)))
+
+#define LOONGSON3_REG32(base, x) \
+ (*(volatile u32 *)((char *)TO_UNCAC(base) + (x)))
+
#define LOONGSON_IRQ_BASE 32
#define LOONGSON2_PERFCNT_IRQ (MIPS_CPU_IRQ_BASE + 6) /* cpu perf counter */
@@ -86,6 +94,10 @@
#define LOONGSON_REG_BASE 0x1fe00000
#define LOONGSON_REG_SIZE 0x00100000 /* 256Bytes + 256Bytes + ??? */
#define LOONGSON_REG_TOP (LOONGSON_REG_BASE+LOONGSON_REG_SIZE-1)
+/* Loongson-3 specific registers */
+#define LOONGSON3_REG_BASE 0x3ff00000
+#define LOONGSON3_REG_SIZE 0x00100000 /* 256Bytes + 256Bytes + ??? */
+#define LOONGSON3_REG_TOP (LOONGSON3_REG_BASE+LOONGSON3_REG_SIZE-1)
#define LOONGSON_LIO1_BASE 0x1ff00000
#define LOONGSON_LIO1_SIZE 0x00100000 /* 1M */
@@ -101,7 +113,13 @@
#define LOONGSON_PCICFG_BASE 0x1fe80000
#define LOONGSON_PCICFG_SIZE 0x00000800 /* 2K */
#define LOONGSON_PCICFG_TOP (LOONGSON_PCICFG_BASE+LOONGSON_PCICFG_SIZE-1)
+
+#if defined(CONFIG_HT_PCI)
+#define LOONGSON_PCIIO_BASE loongson_sysconf.pci_io_base
+#else
#define LOONGSON_PCIIO_BASE 0x1fd00000
+#endif
+
#define LOONGSON_PCIIO_SIZE 0x00100000 /* 1M */
#define LOONGSON_PCIIO_TOP (LOONGSON_PCIIO_BASE+LOONGSON_PCIIO_SIZE-1)
@@ -231,6 +249,9 @@
#define LOONGSON_PXARB_CFG LOONGSON_REG(LOONGSON_REGBASE + 0x68)
#define LOONGSON_PXARB_STATUS LOONGSON_REG(LOONGSON_REGBASE + 0x6c)
+/* Chip Config */
+#define LOONGSON_CHIPCFG0 LOONGSON_REG(LOONGSON_REGBASE + 0x80)
+
/* pcimap */
#define LOONGSON_PCIMAP_PCIMAP_LO0 0x0000003f
@@ -246,9 +267,6 @@
#ifdef CONFIG_CPU_SUPPORTS_CPUFREQ
#include <linux/cpufreq.h>
extern struct cpufreq_frequency_table loongson2_clockmod_table[];
-
-/* Chip Config */
-#define LOONGSON_CHIPCFG0 LOONGSON_REG(LOONGSON_REGBASE + 0x80)
#endif
/*
diff --git a/arch/mips/include/asm/mach-loongson/machine.h b/arch/mips/include/asm/mach-loongson/machine.h
index 3810d5c..1b1f592 100644
--- a/arch/mips/include/asm/mach-loongson/machine.h
+++ b/arch/mips/include/asm/mach-loongson/machine.h
@@ -24,4 +24,10 @@
#endif
+#ifdef CONFIG_LEMOTE_MACH3A
+
+#define LOONGSON_MACHTYPE MACH_LEMOTE_A1101
+
+#endif /* CONFIG_LEMOTE_MACH3A */
+
#endif /* __ASM_MACH_LOONGSON_MACHINE_H */
diff --git a/arch/mips/include/asm/mach-loongson/pci.h b/arch/mips/include/asm/mach-loongson/pci.h
index bc99dab..1212774 100644
--- a/arch/mips/include/asm/mach-loongson/pci.h
+++ b/arch/mips/include/asm/mach-loongson/pci.h
@@ -40,8 +40,13 @@
#else /* loongson2f/32bit & loongson2e */
/* this pci memory space is mapped by pcimap in pci.c */
+#ifdef CONFIG_CPU_LOONGSON3
+#define LOONGSON_PCI_MEM_START 0x40000000UL
+#define LOONGSON_PCI_MEM_END 0x7effffffUL
+#else
#define LOONGSON_PCI_MEM_START LOONGSON_PCILO1_BASE
#define LOONGSON_PCI_MEM_END (LOONGSON_PCILO1_BASE + 0x04000000 * 2)
+#endif
/* this is an offset from mips_io_port_base */
#define LOONGSON_PCI_IO_START 0x00004000UL
diff --git a/arch/mips/include/asm/mach-loongson/spaces.h b/arch/mips/include/asm/mach-loongson/spaces.h
new file mode 100644
index 0000000..e2506ee
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson/spaces.h
@@ -0,0 +1,9 @@
+#ifndef __ASM_MACH_LOONGSON_SPACES_H_
+#define __ASM_MACH_LOONGSON_SPACES_H_
+
+#if defined(CONFIG_64BIT)
+#define CAC_BASE _AC(0x9800000000000000, UL)
+#endif /* CONFIG_64BIT */
+
+#include <asm/mach-generic/spaces.h>
+#endif
diff --git a/arch/mips/include/asm/mach-malta/kernel-entry-init.h b/arch/mips/include/asm/mach-malta/kernel-entry-init.h
index 0b793e7..7c5e17a 100644
--- a/arch/mips/include/asm/mach-malta/kernel-entry-init.h
+++ b/arch/mips/include/asm/mach-malta/kernel-entry-init.h
@@ -5,10 +5,80 @@
*
* Chris Dearman (chris@mips.com)
* Copyright (C) 2007 Mips Technologies, Inc.
+ * Copyright (C) 2014 Imagination Technologies Ltd.
*/
#ifndef __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H
#define __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H
+ /*
+ * Prepare segments for EVA boot:
+ *
+ * This is in case the processor boots in legacy configuration
+ * (SI_EVAReset is de-asserted and CONFIG5.K == 0)
+ *
+ * On entry, t1 is loaded with CP0_CONFIG
+ *
+ * ========================= Mappings =============================
+ * Virtual memory Physical memory Mapping
+ * 0x00000000 - 0x7fffffff 0x80000000 - 0xfffffffff MUSUK (kuseg)
+ * Flat 2GB physical memory
+ *
+ * 0x80000000 - 0x9fffffff 0x00000000 - 0x1ffffffff MUSUK (kseg0)
+ * 0xa0000000 - 0xbf000000 0x00000000 - 0x1ffffffff MUSUK (kseg1)
+ * 0xc0000000 - 0xdfffffff - MK (kseg2)
+ * 0xe0000000 - 0xffffffff - MK (kseg3)
+ *
+ *
+ * Lowmem is expanded to 2GB
+ */
+ .macro eva_entry
+ /*
+ * Get Config.K0 value and use it to program
+ * the segmentation registers
+ */
+ andi t1, 0x7 /* CCA */
+ move t2, t1
+ ins t2, t1, 16, 3
+ /* SegCtl0 */
+ li t0, ((MIPS_SEGCFG_MK << MIPS_SEGCFG_AM_SHIFT) | \
+ (0 << MIPS_SEGCFG_PA_SHIFT) | \
+ (1 << MIPS_SEGCFG_EU_SHIFT)) | \
+ (((MIPS_SEGCFG_MK << MIPS_SEGCFG_AM_SHIFT) | \
+ (0 << MIPS_SEGCFG_PA_SHIFT) | \
+ (1 << MIPS_SEGCFG_EU_SHIFT)) << 16)
+ or t0, t2
+ mtc0 t0, $5, 2
+
+ /* SegCtl1 */
+ li t0, ((MIPS_SEGCFG_MUSUK << MIPS_SEGCFG_AM_SHIFT) | \
+ (0 << MIPS_SEGCFG_PA_SHIFT) | \
+ (2 << MIPS_SEGCFG_C_SHIFT) | \
+ (1 << MIPS_SEGCFG_EU_SHIFT)) | \
+ (((MIPS_SEGCFG_MUSUK << MIPS_SEGCFG_AM_SHIFT) | \
+ (0 << MIPS_SEGCFG_PA_SHIFT) | \
+ (1 << MIPS_SEGCFG_EU_SHIFT)) << 16)
+ ins t0, t1, 16, 3
+ mtc0 t0, $5, 3
+
+ /* SegCtl2 */
+ li t0, ((MIPS_SEGCFG_MUSUK << MIPS_SEGCFG_AM_SHIFT) | \
+ (6 << MIPS_SEGCFG_PA_SHIFT) | \
+ (1 << MIPS_SEGCFG_EU_SHIFT)) | \
+ (((MIPS_SEGCFG_MUSUK << MIPS_SEGCFG_AM_SHIFT) | \
+ (4 << MIPS_SEGCFG_PA_SHIFT) | \
+ (1 << MIPS_SEGCFG_EU_SHIFT)) << 16)
+ or t0, t2
+ mtc0 t0, $5, 4
+
+ jal mips_ihb
+ mfc0 t0, $16, 5
+ li t2, 0x40000000 /* K bit */
+ or t0, t0, t2
+ mtc0 t0, $16, 5
+ sync
+ jal mips_ihb
+ .endm
+
.macro kernel_entry_setup
#ifdef CONFIG_MIPS_MT_SMTC
mfc0 t0, CP0_CONFIG
@@ -39,14 +109,57 @@
nonmt_processor:
.asciz "SMTC kernel requires the MT ASE to run\n"
__FINIT
-0:
#endif
+
+#ifdef CONFIG_EVA
+ sync
+ ehb
+
+ mfc0 t1, CP0_CONFIG
+ bgez t1, 9f
+ mfc0 t0, CP0_CONFIG, 1
+ bgez t0, 9f
+ mfc0 t0, CP0_CONFIG, 2
+ bgez t0, 9f
+ mfc0 t0, CP0_CONFIG, 3
+ sll t0, t0, 6 /* SC bit */
+ bgez t0, 9f
+
+ eva_entry
+ b 0f
+9:
+ /* Assume we came from YAMON... */
+ PTR_LA v0, 0x9fc00534 /* YAMON print */
+ lw v0, (v0)
+ move a0, zero
+ PTR_LA a1, nonsc_processor
+ jal v0
+
+ PTR_LA v0, 0x9fc00520 /* YAMON exit */
+ lw v0, (v0)
+ li a0, 1
+ jal v0
+
+1: b 1b
+ nop
+ __INITDATA
+nonsc_processor:
+ .asciz "EVA kernel requires a MIPS core with Segment Control implemented\n"
+ __FINIT
+#endif /* CONFIG_EVA */
+0:
.endm
/*
* Do SMP slave processor setup necessary before we can safely execute C code.
*/
.macro smp_slave_setup
+#ifdef CONFIG_EVA
+ sync
+ ehb
+ mfc0 t1, CP0_CONFIG
+ eva_entry
+#endif
.endm
#endif /* __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H */
diff --git a/arch/mips/include/asm/mach-malta/spaces.h b/arch/mips/include/asm/mach-malta/spaces.h
new file mode 100644
index 0000000..d7e5497
--- /dev/null
+++ b/arch/mips/include/asm/mach-malta/spaces.h
@@ -0,0 +1,46 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2014 Imagination Technologies Ltd.
+ */
+
+#ifndef _ASM_MALTA_SPACES_H
+#define _ASM_MALTA_SPACES_H
+
+#ifdef CONFIG_EVA
+
+/*
+ * Traditional Malta Board Memory Map for EVA
+ *
+ * 0x00000000 - 0x0fffffff: 1st RAM region, 256MB
+ * 0x10000000 - 0x1bffffff: GIC and CPC Control Registers
+ * 0x1c000000 - 0x1fffffff: I/O And Flash
+ * 0x20000000 - 0x7fffffff: 2nd RAM region, 1.5GB
+ * 0x80000000 - 0xffffffff: Physical memory aliases to 0x0 (2GB)
+ *
+ * The kernel is still located in 0x80000000(kseg0). However,
+ * the physical mask has been shifted to 0x80000000 which exploits the alias
+ * on the Malta board. As a result of which, we override the __pa_symbol
+ * to peform direct mapping from virtual to physical addresses. In other
+ * words, the 0x80000000 virtual address maps to 0x80000000 physical address
+ * which in turn aliases to 0x0. We do this in order to be able to use a flat
+ * 2GB of memory (0x80000000 - 0xffffffff) so we can avoid the I/O hole in
+ * 0x10000000 - 0x1fffffff.
+ * The last 64KB of physical memory are reserved for correct HIGHMEM
+ * macros arithmetics.
+ *
+ */
+
+#define PAGE_OFFSET _AC(0x0, UL)
+#define PHYS_OFFSET _AC(0x80000000, UL)
+#define HIGHMEM_START _AC(0xffff0000, UL)
+
+#define __pa_symbol(x) (RELOC_HIDE((unsigned long)(x), 0))
+
+#endif /* CONFIG_EVA */
+
+#include <asm/mach-generic/spaces.h>
+
+#endif /* _ASM_MALTA_SPACES_H */
diff --git a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_regops.h b/arch/mips/include/asm/mach-pmcs-msp71xx/msp_regops.h
index 2dbc7a8..fc946c8 100644
--- a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_regops.h
+++ b/arch/mips/include/asm/mach-pmcs-msp71xx/msp_regops.h
@@ -76,7 +76,7 @@
__asm__ __volatile__(
" .set push \n"
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %0, %1 # set_value_reg32 \n"
" and %0, %2 \n"
" or %0, %3 \n"
@@ -98,7 +98,7 @@
__asm__ __volatile__(
" .set push \n"
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %0, %1 # set_reg32 \n"
" or %0, %2 \n"
" sc %0, %1 \n"
@@ -119,7 +119,7 @@
__asm__ __volatile__(
" .set push \n"
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %0, %1 # clear_reg32 \n"
" and %0, %2 \n"
" sc %0, %1 \n"
@@ -140,7 +140,7 @@
__asm__ __volatile__(
" .set push \n"
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %0, %1 # toggle_reg32 \n"
" xor %0, %2 \n"
" sc %0, %1 \n"
@@ -216,7 +216,7 @@
#define custom_read_reg32(address, tmp) \
__asm__ __volatile__( \
" .set push \n" \
- " .set mips3 \n" \
+ " .set arch=r4000 \n" \
"1: ll %0, %1 #custom_read_reg32 \n" \
" .set pop \n" \
: "=r" (tmp), "=m" (*address) \
@@ -225,7 +225,7 @@
#define custom_write_reg32(address, tmp) \
__asm__ __volatile__( \
" .set push \n" \
- " .set mips3 \n" \
+ " .set arch=r4000 \n" \
" sc %0, %1 #custom_write_reg32 \n" \
" "__beqz"%0, 1b \n" \
" nop \n" \
diff --git a/arch/mips/include/asm/mips-boards/malta.h b/arch/mips/include/asm/mips-boards/malta.h
index 722bc88..fd977426 100644
--- a/arch/mips/include/asm/mips-boards/malta.h
+++ b/arch/mips/include/asm/mips-boards/malta.h
@@ -64,6 +64,11 @@
#define GIC_ADDRSPACE_SZ (128 * 1024)
/*
+ * CPC Specific definitions
+ */
+#define CPC_BASE_ADDR 0x1bde0000
+
+/*
* MSC01 BIU Specific definitions
* FIXME : These should be elsewhere ?
*/
diff --git a/arch/mips/include/asm/mips-boards/piix4.h b/arch/mips/include/asm/mips-boards/piix4.h
index 836e2ed..9cf5404 100644
--- a/arch/mips/include/asm/mips-boards/piix4.h
+++ b/arch/mips/include/asm/mips-boards/piix4.h
@@ -50,4 +50,9 @@
#define PIIX4_FUNC1_IDETIM_SECONDARY_HI 0x43
#define PIIX4_FUNC1_IDETIM_SECONDARY_HI_IDE_DECODE_EN (1 << 7)
+/* Power Management Configuration Space */
+#define PIIX4_FUNC3_PMBA 0x40
+#define PIIX4_FUNC3_PMREGMISC 0x80
+#define PIIX4_FUNC3_PMREGMISC_EN (1 << 0)
+
#endif /* __ASM_MIPS_BOARDS_PIIX4_H */
diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h
new file mode 100644
index 0000000..6a9d2dd
--- /dev/null
+++ b/arch/mips/include/asm/mips-cm.h
@@ -0,0 +1,322 @@
+/*
+ * Copyright (C) 2013 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __MIPS_ASM_MIPS_CM_H__
+#define __MIPS_ASM_MIPS_CM_H__
+
+#include <linux/io.h>
+#include <linux/types.h>
+
+/* The base address of the CM GCR block */
+extern void __iomem *mips_cm_base;
+
+/* The base address of the CM L2-only sync region */
+extern void __iomem *mips_cm_l2sync_base;
+
+/**
+ * __mips_cm_phys_base - retrieve the physical base address of the CM
+ *
+ * This function returns the physical base address of the Coherence Manager
+ * global control block, or 0 if no Coherence Manager is present. It provides
+ * a default implementation which reads the CMGCRBase register where available,
+ * and may be overriden by platforms which determine this address in a
+ * different way by defining a function with the same prototype except for the
+ * name mips_cm_phys_base (without underscores).
+ */
+extern phys_t __mips_cm_phys_base(void);
+
+/**
+ * mips_cm_probe - probe for a Coherence Manager
+ *
+ * Attempt to detect the presence of a Coherence Manager. Returns 0 if a CM
+ * is successfully detected, else -errno.
+ */
+#ifdef CONFIG_MIPS_CM
+extern int mips_cm_probe(void);
+#else
+static inline int mips_cm_probe(void)
+{
+ return -ENODEV;
+}
+#endif
+
+/**
+ * mips_cm_present - determine whether a Coherence Manager is present
+ *
+ * Returns true if a CM is present in the system, else false.
+ */
+static inline bool mips_cm_present(void)
+{
+#ifdef CONFIG_MIPS_CM
+ return mips_cm_base != NULL;
+#else
+ return false;
+#endif
+}
+
+/**
+ * mips_cm_has_l2sync - determine whether an L2-only sync region is present
+ *
+ * Returns true if the system implements an L2-only sync region, else false.
+ */
+static inline bool mips_cm_has_l2sync(void)
+{
+#ifdef CONFIG_MIPS_CM
+ return mips_cm_l2sync_base != NULL;
+#else
+ return false;
+#endif
+}
+
+/* Offsets to register blocks from the CM base address */
+#define MIPS_CM_GCB_OFS 0x0000 /* Global Control Block */
+#define MIPS_CM_CLCB_OFS 0x2000 /* Core Local Control Block */
+#define MIPS_CM_COCB_OFS 0x4000 /* Core Other Control Block */
+#define MIPS_CM_GDB_OFS 0x6000 /* Global Debug Block */
+
+/* Total size of the CM memory mapped registers */
+#define MIPS_CM_GCR_SIZE 0x8000
+
+/* Size of the L2-only sync region */
+#define MIPS_CM_L2SYNC_SIZE 0x1000
+
+/* Macros to ease the creation of register access functions */
+#define BUILD_CM_R_(name, off) \
+static inline u32 *addr_gcr_##name(void) \
+{ \
+ return (u32 *)(mips_cm_base + (off)); \
+} \
+ \
+static inline u32 read_gcr_##name(void) \
+{ \
+ return __raw_readl(addr_gcr_##name()); \
+}
+
+#define BUILD_CM__W(name, off) \
+static inline void write_gcr_##name(u32 value) \
+{ \
+ __raw_writel(value, addr_gcr_##name()); \
+}
+
+#define BUILD_CM_RW(name, off) \
+ BUILD_CM_R_(name, off) \
+ BUILD_CM__W(name, off)
+
+#define BUILD_CM_Cx_R_(name, off) \
+ BUILD_CM_R_(cl_##name, MIPS_CM_CLCB_OFS + (off)) \
+ BUILD_CM_R_(co_##name, MIPS_CM_COCB_OFS + (off))
+
+#define BUILD_CM_Cx__W(name, off) \
+ BUILD_CM__W(cl_##name, MIPS_CM_CLCB_OFS + (off)) \
+ BUILD_CM__W(co_##name, MIPS_CM_COCB_OFS + (off))
+
+#define BUILD_CM_Cx_RW(name, off) \
+ BUILD_CM_Cx_R_(name, off) \
+ BUILD_CM_Cx__W(name, off)
+
+/* GCB register accessor functions */
+BUILD_CM_R_(config, MIPS_CM_GCB_OFS + 0x00)
+BUILD_CM_RW(base, MIPS_CM_GCB_OFS + 0x08)
+BUILD_CM_RW(access, MIPS_CM_GCB_OFS + 0x20)
+BUILD_CM_R_(rev, MIPS_CM_GCB_OFS + 0x30)
+BUILD_CM_RW(error_mask, MIPS_CM_GCB_OFS + 0x40)
+BUILD_CM_RW(error_cause, MIPS_CM_GCB_OFS + 0x48)
+BUILD_CM_RW(error_addr, MIPS_CM_GCB_OFS + 0x50)
+BUILD_CM_RW(error_mult, MIPS_CM_GCB_OFS + 0x58)
+BUILD_CM_RW(l2_only_sync_base, MIPS_CM_GCB_OFS + 0x70)
+BUILD_CM_RW(gic_base, MIPS_CM_GCB_OFS + 0x80)
+BUILD_CM_RW(cpc_base, MIPS_CM_GCB_OFS + 0x88)
+BUILD_CM_RW(reg0_base, MIPS_CM_GCB_OFS + 0x90)
+BUILD_CM_RW(reg0_mask, MIPS_CM_GCB_OFS + 0x98)
+BUILD_CM_RW(reg1_base, MIPS_CM_GCB_OFS + 0xa0)
+BUILD_CM_RW(reg1_mask, MIPS_CM_GCB_OFS + 0xa8)
+BUILD_CM_RW(reg2_base, MIPS_CM_GCB_OFS + 0xb0)
+BUILD_CM_RW(reg2_mask, MIPS_CM_GCB_OFS + 0xb8)
+BUILD_CM_RW(reg3_base, MIPS_CM_GCB_OFS + 0xc0)
+BUILD_CM_RW(reg3_mask, MIPS_CM_GCB_OFS + 0xc8)
+BUILD_CM_R_(gic_status, MIPS_CM_GCB_OFS + 0xd0)
+BUILD_CM_R_(cpc_status, MIPS_CM_GCB_OFS + 0xf0)
+
+/* Core Local & Core Other register accessor functions */
+BUILD_CM_Cx_RW(reset_release, 0x00)
+BUILD_CM_Cx_RW(coherence, 0x08)
+BUILD_CM_Cx_R_(config, 0x10)
+BUILD_CM_Cx_RW(other, 0x18)
+BUILD_CM_Cx_RW(reset_base, 0x20)
+BUILD_CM_Cx_R_(id, 0x28)
+BUILD_CM_Cx_RW(reset_ext_base, 0x30)
+BUILD_CM_Cx_R_(tcid_0_priority, 0x40)
+BUILD_CM_Cx_R_(tcid_1_priority, 0x48)
+BUILD_CM_Cx_R_(tcid_2_priority, 0x50)
+BUILD_CM_Cx_R_(tcid_3_priority, 0x58)
+BUILD_CM_Cx_R_(tcid_4_priority, 0x60)
+BUILD_CM_Cx_R_(tcid_5_priority, 0x68)
+BUILD_CM_Cx_R_(tcid_6_priority, 0x70)
+BUILD_CM_Cx_R_(tcid_7_priority, 0x78)
+BUILD_CM_Cx_R_(tcid_8_priority, 0x80)
+
+/* GCR_CONFIG register fields */
+#define CM_GCR_CONFIG_NUMIOCU_SHF 8
+#define CM_GCR_CONFIG_NUMIOCU_MSK (_ULCAST_(0xf) << 8)
+#define CM_GCR_CONFIG_PCORES_SHF 0
+#define CM_GCR_CONFIG_PCORES_MSK (_ULCAST_(0xff) << 0)
+
+/* GCR_BASE register fields */
+#define CM_GCR_BASE_GCRBASE_SHF 15
+#define CM_GCR_BASE_GCRBASE_MSK (_ULCAST_(0x1ffff) << 15)
+#define CM_GCR_BASE_CMDEFTGT_SHF 0
+#define CM_GCR_BASE_CMDEFTGT_MSK (_ULCAST_(0x3) << 0)
+#define CM_GCR_BASE_CMDEFTGT_DISABLED 0
+#define CM_GCR_BASE_CMDEFTGT_MEM 1
+#define CM_GCR_BASE_CMDEFTGT_IOCU0 2
+#define CM_GCR_BASE_CMDEFTGT_IOCU1 3
+
+/* GCR_ACCESS register fields */
+#define CM_GCR_ACCESS_ACCESSEN_SHF 0
+#define CM_GCR_ACCESS_ACCESSEN_MSK (_ULCAST_(0xff) << 0)
+
+/* GCR_REV register fields */
+#define CM_GCR_REV_MAJOR_SHF 8
+#define CM_GCR_REV_MAJOR_MSK (_ULCAST_(0xff) << 8)
+#define CM_GCR_REV_MINOR_SHF 0
+#define CM_GCR_REV_MINOR_MSK (_ULCAST_(0xff) << 0)
+
+/* GCR_ERROR_CAUSE register fields */
+#define CM_GCR_ERROR_CAUSE_ERRTYPE_SHF 27
+#define CM_GCR_ERROR_CAUSE_ERRTYPE_MSK (_ULCAST_(0x1f) << 27)
+#define CM_GCR_ERROR_CAUSE_ERRINFO_SHF 0
+#define CM_GCR_ERROR_CAUSE_ERRINGO_MSK (_ULCAST_(0x7ffffff) << 0)
+
+/* GCR_ERROR_MULT register fields */
+#define CM_GCR_ERROR_MULT_ERR2ND_SHF 0
+#define CM_GCR_ERROR_MULT_ERR2ND_MSK (_ULCAST_(0x1f) << 0)
+
+/* GCR_L2_ONLY_SYNC_BASE register fields */
+#define CM_GCR_L2_ONLY_SYNC_BASE_SYNCBASE_SHF 12
+#define CM_GCR_L2_ONLY_SYNC_BASE_SYNCBASE_MSK (_ULCAST_(0xfffff) << 12)
+#define CM_GCR_L2_ONLY_SYNC_BASE_SYNCEN_SHF 0
+#define CM_GCR_L2_ONLY_SYNC_BASE_SYNCEN_MSK (_ULCAST_(0x1) << 0)
+
+/* GCR_GIC_BASE register fields */
+#define CM_GCR_GIC_BASE_GICBASE_SHF 17
+#define CM_GCR_GIC_BASE_GICBASE_MSK (_ULCAST_(0x7fff) << 17)
+#define CM_GCR_GIC_BASE_GICEN_SHF 0
+#define CM_GCR_GIC_BASE_GICEN_MSK (_ULCAST_(0x1) << 0)
+
+/* GCR_CPC_BASE register fields */
+#define CM_GCR_CPC_BASE_CPCBASE_SHF 17
+#define CM_GCR_CPC_BASE_CPCBASE_MSK (_ULCAST_(0x7fff) << 17)
+#define CM_GCR_CPC_BASE_CPCEN_SHF 0
+#define CM_GCR_CPC_BASE_CPCEN_MSK (_ULCAST_(0x1) << 0)
+
+/* GCR_REGn_BASE register fields */
+#define CM_GCR_REGn_BASE_BASEADDR_SHF 16
+#define CM_GCR_REGn_BASE_BASEADDR_MSK (_ULCAST_(0xffff) << 16)
+
+/* GCR_REGn_MASK register fields */
+#define CM_GCR_REGn_MASK_ADDRMASK_SHF 16
+#define CM_GCR_REGn_MASK_ADDRMASK_MSK (_ULCAST_(0xffff) << 16)
+#define CM_GCR_REGn_MASK_CCAOVR_SHF 5
+#define CM_GCR_REGn_MASK_CCAOVR_MSK (_ULCAST_(0x3) << 5)
+#define CM_GCR_REGn_MASK_CCAOVREN_SHF 4
+#define CM_GCR_REGn_MASK_CCAOVREN_MSK (_ULCAST_(0x1) << 4)
+#define CM_GCR_REGn_MASK_DROPL2_SHF 2
+#define CM_GCR_REGn_MASK_DROPL2_MSK (_ULCAST_(0x1) << 2)
+#define CM_GCR_REGn_MASK_CMTGT_SHF 0
+#define CM_GCR_REGn_MASK_CMTGT_MSK (_ULCAST_(0x3) << 0)
+#define CM_GCR_REGn_MASK_CMTGT_DISABLED (_ULCAST_(0x0) << 0)
+#define CM_GCR_REGn_MASK_CMTGT_MEM (_ULCAST_(0x1) << 0)
+#define CM_GCR_REGn_MASK_CMTGT_IOCU0 (_ULCAST_(0x2) << 0)
+#define CM_GCR_REGn_MASK_CMTGT_IOCU1 (_ULCAST_(0x3) << 0)
+
+/* GCR_GIC_STATUS register fields */
+#define CM_GCR_GIC_STATUS_EX_SHF 0
+#define CM_GCR_GIC_STATUS_EX_MSK (_ULCAST_(0x1) << 0)
+
+/* GCR_CPC_STATUS register fields */
+#define CM_GCR_CPC_STATUS_EX_SHF 0
+#define CM_GCR_CPC_STATUS_EX_MSK (_ULCAST_(0x1) << 0)
+
+/* GCR_Cx_COHERENCE register fields */
+#define CM_GCR_Cx_COHERENCE_COHDOMAINEN_SHF 0
+#define CM_GCR_Cx_COHERENCE_COHDOMAINEN_MSK (_ULCAST_(0xff) << 0)
+
+/* GCR_Cx_CONFIG register fields */
+#define CM_GCR_Cx_CONFIG_IOCUTYPE_SHF 10
+#define CM_GCR_Cx_CONFIG_IOCUTYPE_MSK (_ULCAST_(0x3) << 10)
+#define CM_GCR_Cx_CONFIG_PVPE_SHF 0
+#define CM_GCR_Cx_CONFIG_PVPE_MSK (_ULCAST_(0x1ff) << 0)
+
+/* GCR_Cx_OTHER register fields */
+#define CM_GCR_Cx_OTHER_CORENUM_SHF 16
+#define CM_GCR_Cx_OTHER_CORENUM_MSK (_ULCAST_(0xffff) << 16)
+
+/* GCR_Cx_RESET_BASE register fields */
+#define CM_GCR_Cx_RESET_BASE_BEVEXCBASE_SHF 12
+#define CM_GCR_Cx_RESET_BASE_BEVEXCBASE_MSK (_ULCAST_(0xfffff) << 12)
+
+/* GCR_Cx_RESET_EXT_BASE register fields */
+#define CM_GCR_Cx_RESET_EXT_BASE_EVARESET_SHF 31
+#define CM_GCR_Cx_RESET_EXT_BASE_EVARESET_MSK (_ULCAST_(0x1) << 31)
+#define CM_GCR_Cx_RESET_EXT_BASE_UEB_SHF 30
+#define CM_GCR_Cx_RESET_EXT_BASE_UEB_MSK (_ULCAST_(0x1) << 30)
+#define CM_GCR_Cx_RESET_EXT_BASE_BEVEXCMASK_SHF 20
+#define CM_GCR_Cx_RESET_EXT_BASE_BEVEXCMASK_MSK (_ULCAST_(0xff) << 20)
+#define CM_GCR_Cx_RESET_EXT_BASE_BEVEXCPA_SHF 1
+#define CM_GCR_Cx_RESET_EXT_BASE_BEVEXCPA_MSK (_ULCAST_(0x7f) << 1)
+#define CM_GCR_Cx_RESET_EXT_BASE_PRESENT_SHF 0
+#define CM_GCR_Cx_RESET_EXT_BASE_PRESENT_MSK (_ULCAST_(0x1) << 0)
+
+/**
+ * mips_cm_numcores - return the number of cores present in the system
+ *
+ * Returns the value of the PCORES field of the GCR_CONFIG register plus 1, or
+ * zero if no Coherence Manager is present.
+ */
+static inline unsigned mips_cm_numcores(void)
+{
+ if (!mips_cm_present())
+ return 0;
+
+ return ((read_gcr_config() & CM_GCR_CONFIG_PCORES_MSK)
+ >> CM_GCR_CONFIG_PCORES_SHF) + 1;
+}
+
+/**
+ * mips_cm_numiocu - return the number of IOCUs present in the system
+ *
+ * Returns the value of the NUMIOCU field of the GCR_CONFIG register, or zero
+ * if no Coherence Manager is present.
+ */
+static inline unsigned mips_cm_numiocu(void)
+{
+ if (!mips_cm_present())
+ return 0;
+
+ return (read_gcr_config() & CM_GCR_CONFIG_NUMIOCU_MSK)
+ >> CM_GCR_CONFIG_NUMIOCU_SHF;
+}
+
+/**
+ * mips_cm_l2sync - perform an L2-only sync operation
+ *
+ * If an L2-only sync region is present in the system then this function
+ * performs and L2-only sync and returns zero. Otherwise it returns -ENODEV.
+ */
+static inline int mips_cm_l2sync(void)
+{
+ if (!mips_cm_has_l2sync())
+ return -ENODEV;
+
+ writel(0, mips_cm_l2sync_base);
+ return 0;
+}
+
+#endif /* __MIPS_ASM_MIPS_CM_H__ */
diff --git a/arch/mips/include/asm/mips-cpc.h b/arch/mips/include/asm/mips-cpc.h
new file mode 100644
index 0000000..988507e
--- /dev/null
+++ b/arch/mips/include/asm/mips-cpc.h
@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2013 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __MIPS_ASM_MIPS_CPC_H__
+#define __MIPS_ASM_MIPS_CPC_H__
+
+#include <linux/io.h>
+#include <linux/types.h>
+
+/* The base address of the CPC registers */
+extern void __iomem *mips_cpc_base;
+
+/**
+ * mips_cpc_default_phys_base - retrieve the default physical base address of
+ * the CPC
+ *
+ * Returns the default physical base address of the Cluster Power Controller
+ * memory mapped registers. This is platform dependant & must therefore be
+ * implemented per-platform.
+ */
+extern phys_t mips_cpc_default_phys_base(void);
+
+/**
+ * mips_cpc_phys_base - retrieve the physical base address of the CPC
+ *
+ * This function returns the physical base address of the Cluster Power
+ * Controller memory mapped registers, or 0 if no Cluster Power Controller
+ * is present. It may be overriden by individual platforms which determine
+ * this address in a different way.
+ */
+extern phys_t __weak mips_cpc_phys_base(void);
+
+/**
+ * mips_cpc_probe - probe for a Cluster Power Controller
+ *
+ * Attempt to detect the presence of a Cluster Power Controller. Returns 0 if
+ * a CPC is successfully detected, else -errno.
+ */
+#ifdef CONFIG_MIPS_CPC
+extern int mips_cpc_probe(void);
+#else
+static inline int mips_cpc_probe(void)
+{
+ return -ENODEV;
+}
+#endif
+
+/**
+ * mips_cpc_present - determine whether a Cluster Power Controller is present
+ *
+ * Returns true if a CPC is present in the system, else false.
+ */
+static inline bool mips_cpc_present(void)
+{
+#ifdef CONFIG_MIPS_CPC
+ return mips_cpc_base != NULL;
+#else
+ return false;
+#endif
+}
+
+/* Offsets from the CPC base address to various control blocks */
+#define MIPS_CPC_GCB_OFS 0x0000
+#define MIPS_CPC_CLCB_OFS 0x2000
+#define MIPS_CPC_COCB_OFS 0x4000
+
+/* Macros to ease the creation of register access functions */
+#define BUILD_CPC_R_(name, off) \
+static inline u32 read_cpc_##name(void) \
+{ \
+ return __raw_readl(mips_cpc_base + (off)); \
+}
+
+#define BUILD_CPC__W(name, off) \
+static inline void write_cpc_##name(u32 value) \
+{ \
+ __raw_writel(value, mips_cpc_base + (off)); \
+}
+
+#define BUILD_CPC_RW(name, off) \
+ BUILD_CPC_R_(name, off) \
+ BUILD_CPC__W(name, off)
+
+#define BUILD_CPC_Cx_R_(name, off) \
+ BUILD_CPC_R_(cl_##name, MIPS_CPC_CLCB_OFS + (off)) \
+ BUILD_CPC_R_(co_##name, MIPS_CPC_COCB_OFS + (off))
+
+#define BUILD_CPC_Cx__W(name, off) \
+ BUILD_CPC__W(cl_##name, MIPS_CPC_CLCB_OFS + (off)) \
+ BUILD_CPC__W(co_##name, MIPS_CPC_COCB_OFS + (off))
+
+#define BUILD_CPC_Cx_RW(name, off) \
+ BUILD_CPC_Cx_R_(name, off) \
+ BUILD_CPC_Cx__W(name, off)
+
+/* GCB register accessor functions */
+BUILD_CPC_RW(access, MIPS_CPC_GCB_OFS + 0x00)
+BUILD_CPC_RW(seqdel, MIPS_CPC_GCB_OFS + 0x08)
+BUILD_CPC_RW(rail, MIPS_CPC_GCB_OFS + 0x10)
+BUILD_CPC_RW(resetlen, MIPS_CPC_GCB_OFS + 0x18)
+BUILD_CPC_R_(revision, MIPS_CPC_GCB_OFS + 0x20)
+
+/* Core Local & Core Other accessor functions */
+BUILD_CPC_Cx_RW(cmd, 0x00)
+BUILD_CPC_Cx_RW(stat_conf, 0x08)
+BUILD_CPC_Cx_RW(other, 0x10)
+
+/* CPC_Cx_CMD register fields */
+#define CPC_Cx_CMD_SHF 0
+#define CPC_Cx_CMD_MSK (_ULCAST_(0xf) << 0)
+#define CPC_Cx_CMD_CLOCKOFF (_ULCAST_(0x1) << 0)
+#define CPC_Cx_CMD_PWRDOWN (_ULCAST_(0x2) << 0)
+#define CPC_Cx_CMD_PWRUP (_ULCAST_(0x3) << 0)
+#define CPC_Cx_CMD_RESET (_ULCAST_(0x4) << 0)
+
+/* CPC_Cx_STAT_CONF register fields */
+#define CPC_Cx_STAT_CONF_PWRUPE_SHF 23
+#define CPC_Cx_STAT_CONF_PWRUPE_MSK (_ULCAST_(0x1) << 23)
+#define CPC_Cx_STAT_CONF_SEQSTATE_SHF 19
+#define CPC_Cx_STAT_CONF_SEQSTATE_MSK (_ULCAST_(0xf) << 19)
+#define CPC_Cx_STAT_CONF_SEQSTATE_D0 (_ULCAST_(0x0) << 19)
+#define CPC_Cx_STAT_CONF_SEQSTATE_U0 (_ULCAST_(0x1) << 19)
+#define CPC_Cx_STAT_CONF_SEQSTATE_U1 (_ULCAST_(0x2) << 19)
+#define CPC_Cx_STAT_CONF_SEQSTATE_U2 (_ULCAST_(0x3) << 19)
+#define CPC_Cx_STAT_CONF_SEQSTATE_U3 (_ULCAST_(0x4) << 19)
+#define CPC_Cx_STAT_CONF_SEQSTATE_U4 (_ULCAST_(0x5) << 19)
+#define CPC_Cx_STAT_CONF_SEQSTATE_U5 (_ULCAST_(0x6) << 19)
+#define CPC_Cx_STAT_CONF_SEQSTATE_U6 (_ULCAST_(0x7) << 19)
+#define CPC_Cx_STAT_CONF_SEQSTATE_D1 (_ULCAST_(0x8) << 19)
+#define CPC_Cx_STAT_CONF_SEQSTATE_D3 (_ULCAST_(0x9) << 19)
+#define CPC_Cx_STAT_CONF_SEQSTATE_D2 (_ULCAST_(0xa) << 19)
+#define CPC_Cx_STAT_CONF_CLKGAT_IMPL_SHF 17
+#define CPC_Cx_STAT_CONF_CLKGAT_IMPL_MSK (_ULCAST_(0x1) << 17)
+#define CPC_Cx_STAT_CONF_PWRDN_IMPL_SHF 16
+#define CPC_Cx_STAT_CONF_PWRDN_IMPL_MSK (_ULCAST_(0x1) << 16)
+#define CPC_Cx_STAT_CONF_EJTAG_PROBE_SHF 15
+#define CPC_Cx_STAT_CONF_EJTAG_PROBE_MSK (_ULCAST_(0x1) << 15)
+
+/* CPC_Cx_OTHER register fields */
+#define CPC_Cx_OTHER_CORENUM_SHF 16
+#define CPC_Cx_OTHER_CORENUM_MSK (_ULCAST_(0xff) << 16)
+
+#endif /* __MIPS_ASM_MIPS_CPC_H__ */
diff --git a/arch/mips/include/asm/mips_mt.h b/arch/mips/include/asm/mips_mt.h
index ac79352..a3df0c3 100644
--- a/arch/mips/include/asm/mips_mt.h
+++ b/arch/mips/include/asm/mips_mt.h
@@ -18,7 +18,12 @@
extern unsigned long mt_fpemul_threshold;
extern void mips_mt_regdump(unsigned long previous_mvpcontrol_value);
+
+#ifdef CONFIG_MIPS_MT
extern void mips_mt_set_cpuoptions(void);
+#else
+static inline void mips_mt_set_cpuoptions(void) { }
+#endif
struct class;
extern struct class *mt_class;
diff --git a/arch/mips/include/asm/mipsmtregs.h b/arch/mips/include/asm/mipsmtregs.h
index 38b7704..6efa79a 100644
--- a/arch/mips/include/asm/mipsmtregs.h
+++ b/arch/mips/include/asm/mipsmtregs.h
@@ -176,6 +176,17 @@
#ifndef __ASSEMBLY__
+static inline unsigned core_nvpes(void)
+{
+ unsigned conf0;
+
+ if (!cpu_has_mipsmt)
+ return 1;
+
+ conf0 = read_c0_mvpconf0();
+ return ((conf0 & MVPCONF0_PVPE) >> MVPCONF0_PVPE_SHIFT) + 1;
+}
+
static inline unsigned int dvpe(void)
{
int res = 0;
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index bbc3dd4..3e025b5 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -568,11 +568,23 @@
#define MIPS_CONF1_PC (_ULCAST_(1) << 4)
#define MIPS_CONF1_MD (_ULCAST_(1) << 5)
#define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
+#define MIPS_CONF1_DA_SHF 7
+#define MIPS_CONF1_DA_SZ 3
#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
+#define MIPS_CONF1_DL_SHF 10
+#define MIPS_CONF1_DL_SZ 3
#define MIPS_CONF1_DL (_ULCAST_(7) << 10)
+#define MIPS_CONF1_DS_SHF 13
+#define MIPS_CONF1_DS_SZ 3
#define MIPS_CONF1_DS (_ULCAST_(7) << 13)
+#define MIPS_CONF1_IA_SHF 16
+#define MIPS_CONF1_IA_SZ 3
#define MIPS_CONF1_IA (_ULCAST_(7) << 16)
+#define MIPS_CONF1_IL_SHF 19
+#define MIPS_CONF1_IL_SZ 3
#define MIPS_CONF1_IL (_ULCAST_(7) << 19)
+#define MIPS_CONF1_IS_SHF 22
+#define MIPS_CONF1_IS_SZ 3
#define MIPS_CONF1_IS (_ULCAST_(7) << 22)
#define MIPS_CONF1_TLBS_SHIFT (25)
#define MIPS_CONF1_TLBS_SIZE (6)
@@ -653,9 +665,16 @@
#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
+#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
+#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
+
/* EntryHI bit definition */
#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
+/* CMGCRBase bit definitions */
+#define MIPS_CMGCRB_BASE 11
+#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
+
/*
* Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
*/
@@ -1010,6 +1029,8 @@
#define read_c0_prid() __read_32bit_c0_register($15, 0)
+#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
+
#define read_c0_config() __read_32bit_c0_register($16, 0)
#define read_c0_config1() __read_32bit_c0_register($16, 1)
#define read_c0_config2() __read_32bit_c0_register($16, 2)
@@ -1883,6 +1904,7 @@
__BUILD_SET_C0(status)
__BUILD_SET_C0(cause)
__BUILD_SET_C0(config)
+__BUILD_SET_C0(config5)
__BUILD_SET_C0(intcontrol)
__BUILD_SET_C0(intctl)
__BUILD_SET_C0(srsmap)
diff --git a/arch/mips/include/asm/module.h b/arch/mips/include/asm/module.h
index 44b705d..c2edae3 100644
--- a/arch/mips/include/asm/module.h
+++ b/arch/mips/include/asm/module.h
@@ -126,6 +126,8 @@
#define MODULE_PROC_FAMILY "LOONGSON1 "
#elif defined CONFIG_CPU_LOONGSON2
#define MODULE_PROC_FAMILY "LOONGSON2 "
+#elif defined CONFIG_CPU_LOONGSON3
+#define MODULE_PROC_FAMILY "LOONGSON3 "
#elif defined CONFIG_CPU_CAVIUM_OCTEON
#define MODULE_PROC_FAMILY "OCTEON "
#elif defined CONFIG_CPU_XLR
diff --git a/arch/mips/include/asm/msa.h b/arch/mips/include/asm/msa.h
new file mode 100644
index 0000000..a2aba6c
--- /dev/null
+++ b/arch/mips/include/asm/msa.h
@@ -0,0 +1,203 @@
+/*
+ * Copyright (C) 2013 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+#ifndef _ASM_MSA_H
+#define _ASM_MSA_H
+
+#include <asm/mipsregs.h>
+
+extern void _save_msa(struct task_struct *);
+extern void _restore_msa(struct task_struct *);
+
+static inline void enable_msa(void)
+{
+ if (cpu_has_msa) {
+ set_c0_config5(MIPS_CONF5_MSAEN);
+ enable_fpu_hazard();
+ }
+}
+
+static inline void disable_msa(void)
+{
+ if (cpu_has_msa) {
+ clear_c0_config5(MIPS_CONF5_MSAEN);
+ disable_fpu_hazard();
+ }
+}
+
+static inline int is_msa_enabled(void)
+{
+ if (!cpu_has_msa)
+ return 0;
+
+ return read_c0_config5() & MIPS_CONF5_MSAEN;
+}
+
+static inline int thread_msa_context_live(void)
+{
+ /*
+ * Check cpu_has_msa only if it's a constant. This will allow the
+ * compiler to optimise out code for CPUs without MSA without adding
+ * an extra redundant check for CPUs with MSA.
+ */
+ if (__builtin_constant_p(cpu_has_msa) && !cpu_has_msa)
+ return 0;
+
+ return test_thread_flag(TIF_MSA_CTX_LIVE);
+}
+
+static inline void save_msa(struct task_struct *t)
+{
+ if (cpu_has_msa)
+ _save_msa(t);
+}
+
+static inline void restore_msa(struct task_struct *t)
+{
+ if (cpu_has_msa)
+ _restore_msa(t);
+}
+
+#ifdef TOOLCHAIN_SUPPORTS_MSA
+
+#define __BUILD_MSA_CTL_REG(name, cs) \
+static inline unsigned int read_msa_##name(void) \
+{ \
+ unsigned int reg; \
+ __asm__ __volatile__( \
+ " .set push\n" \
+ " .set msa\n" \
+ " cfcmsa %0, $" #cs "\n" \
+ " .set pop\n" \
+ : "=r"(reg)); \
+ return reg; \
+} \
+ \
+static inline void write_msa_##name(unsigned int val) \
+{ \
+ __asm__ __volatile__( \
+ " .set push\n" \
+ " .set msa\n" \
+ " cfcmsa $" #cs ", %0\n" \
+ " .set pop\n" \
+ : : "r"(val)); \
+}
+
+#else /* !TOOLCHAIN_SUPPORTS_MSA */
+
+/*
+ * Define functions using .word for the c[ft]cmsa instructions in order to
+ * allow compilation with toolchains that do not support MSA. Once all
+ * toolchains in use support MSA these can be removed.
+ */
+
+#define __BUILD_MSA_CTL_REG(name, cs) \
+static inline unsigned int read_msa_##name(void) \
+{ \
+ unsigned int reg; \
+ __asm__ __volatile__( \
+ " .set push\n" \
+ " .set noat\n" \
+ " .word 0x787e0059 | (" #cs " << 11)\n" \
+ " move %0, $1\n" \
+ " .set pop\n" \
+ : "=r"(reg)); \
+ return reg; \
+} \
+ \
+static inline void write_msa_##name(unsigned int val) \
+{ \
+ __asm__ __volatile__( \
+ " .set push\n" \
+ " .set noat\n" \
+ " move $1, %0\n" \
+ " .word 0x783e0819 | (" #cs " << 6)\n" \
+ " .set pop\n" \
+ : : "r"(val)); \
+}
+
+#endif /* !TOOLCHAIN_SUPPORTS_MSA */
+
+#define MSA_IR 0
+#define MSA_CSR 1
+#define MSA_ACCESS 2
+#define MSA_SAVE 3
+#define MSA_MODIFY 4
+#define MSA_REQUEST 5
+#define MSA_MAP 6
+#define MSA_UNMAP 7
+
+__BUILD_MSA_CTL_REG(ir, 0)
+__BUILD_MSA_CTL_REG(csr, 1)
+__BUILD_MSA_CTL_REG(access, 2)
+__BUILD_MSA_CTL_REG(save, 3)
+__BUILD_MSA_CTL_REG(modify, 4)
+__BUILD_MSA_CTL_REG(request, 5)
+__BUILD_MSA_CTL_REG(map, 6)
+__BUILD_MSA_CTL_REG(unmap, 7)
+
+/* MSA Implementation Register (MSAIR) */
+#define MSA_IR_REVB 0
+#define MSA_IR_REVF (_ULCAST_(0xff) << MSA_IR_REVB)
+#define MSA_IR_PROCB 8
+#define MSA_IR_PROCF (_ULCAST_(0xff) << MSA_IR_PROCB)
+#define MSA_IR_WRPB 16
+#define MSA_IR_WRPF (_ULCAST_(0x1) << MSA_IR_WRPB)
+
+/* MSA Control & Status Register (MSACSR) */
+#define MSA_CSR_RMB 0
+#define MSA_CSR_RMF (_ULCAST_(0x3) << MSA_CSR_RMB)
+#define MSA_CSR_RM_NEAREST 0
+#define MSA_CSR_RM_TO_ZERO 1
+#define MSA_CSR_RM_TO_POS 2
+#define MSA_CSR_RM_TO_NEG 3
+#define MSA_CSR_FLAGSB 2
+#define MSA_CSR_FLAGSF (_ULCAST_(0x1f) << MSA_CSR_FLAGSB)
+#define MSA_CSR_FLAGS_IB 2
+#define MSA_CSR_FLAGS_IF (_ULCAST_(0x1) << MSA_CSR_FLAGS_IB)
+#define MSA_CSR_FLAGS_UB 3
+#define MSA_CSR_FLAGS_UF (_ULCAST_(0x1) << MSA_CSR_FLAGS_UB)
+#define MSA_CSR_FLAGS_OB 4
+#define MSA_CSR_FLAGS_OF (_ULCAST_(0x1) << MSA_CSR_FLAGS_OB)
+#define MSA_CSR_FLAGS_ZB 5
+#define MSA_CSR_FLAGS_ZF (_ULCAST_(0x1) << MSA_CSR_FLAGS_ZB)
+#define MSA_CSR_FLAGS_VB 6
+#define MSA_CSR_FLAGS_VF (_ULCAST_(0x1) << MSA_CSR_FLAGS_VB)
+#define MSA_CSR_ENABLESB 7
+#define MSA_CSR_ENABLESF (_ULCAST_(0x1f) << MSA_CSR_ENABLESB)
+#define MSA_CSR_ENABLES_IB 7
+#define MSA_CSR_ENABLES_IF (_ULCAST_(0x1) << MSA_CSR_ENABLES_IB)
+#define MSA_CSR_ENABLES_UB 8
+#define MSA_CSR_ENABLES_UF (_ULCAST_(0x1) << MSA_CSR_ENABLES_UB)
+#define MSA_CSR_ENABLES_OB 9
+#define MSA_CSR_ENABLES_OF (_ULCAST_(0x1) << MSA_CSR_ENABLES_OB)
+#define MSA_CSR_ENABLES_ZB 10
+#define MSA_CSR_ENABLES_ZF (_ULCAST_(0x1) << MSA_CSR_ENABLES_ZB)
+#define MSA_CSR_ENABLES_VB 11
+#define MSA_CSR_ENABLES_VF (_ULCAST_(0x1) << MSA_CSR_ENABLES_VB)
+#define MSA_CSR_CAUSEB 12
+#define MSA_CSR_CAUSEF (_ULCAST_(0x3f) << MSA_CSR_CAUSEB)
+#define MSA_CSR_CAUSE_IB 12
+#define MSA_CSR_CAUSE_IF (_ULCAST_(0x1) << MSA_CSR_CAUSE_IB)
+#define MSA_CSR_CAUSE_UB 13
+#define MSA_CSR_CAUSE_UF (_ULCAST_(0x1) << MSA_CSR_CAUSE_UB)
+#define MSA_CSR_CAUSE_OB 14
+#define MSA_CSR_CAUSE_OF (_ULCAST_(0x1) << MSA_CSR_CAUSE_OB)
+#define MSA_CSR_CAUSE_ZB 15
+#define MSA_CSR_CAUSE_ZF (_ULCAST_(0x1) << MSA_CSR_CAUSE_ZB)
+#define MSA_CSR_CAUSE_VB 16
+#define MSA_CSR_CAUSE_VF (_ULCAST_(0x1) << MSA_CSR_CAUSE_VB)
+#define MSA_CSR_CAUSE_EB 17
+#define MSA_CSR_CAUSE_EF (_ULCAST_(0x1) << MSA_CSR_CAUSE_EB)
+#define MSA_CSR_NXB 18
+#define MSA_CSR_NXF (_ULCAST_(0x1) << MSA_CSR_NXB)
+#define MSA_CSR_FSB 24
+#define MSA_CSR_FSF (_ULCAST_(0x1) << MSA_CSR_FSB)
+
+#endif /* _ASM_MSA_H */
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
index 5e08bcc7..5699ec3 100644
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -190,7 +190,9 @@
* https://patchwork.linux-mips.org/patch/1541/
*/
+#ifndef __pa_symbol
#define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x), 0))
+#endif
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
diff --git a/arch/mips/include/asm/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h
index 32aea48..e592f36 100644
--- a/arch/mips/include/asm/pgtable-bits.h
+++ b/arch/mips/include/asm/pgtable-bits.h
@@ -235,6 +235,15 @@
#define _CACHE_CACHABLE_NONCOHERENT (5<<_CACHE_SHIFT)
#define _CACHE_UNCACHED_ACCELERATED (7<<_CACHE_SHIFT)
+#elif defined(CONFIG_CPU_LOONGSON3)
+
+/* Using COHERENT flag for NONCOHERENT doesn't hurt. */
+
+#define _CACHE_UNCACHED (2<<_CACHE_SHIFT) /* LOONGSON */
+#define _CACHE_CACHABLE_NONCOHERENT (3<<_CACHE_SHIFT) /* LOONGSON */
+#define _CACHE_CACHABLE_COHERENT (3<<_CACHE_SHIFT) /* LOONGSON-3 */
+#define _CACHE_UNCACHED_ACCELERATED (7<<_CACHE_SHIFT) /* LOONGSON */
+
#else
#define _CACHE_CACHABLE_NO_WA (0<<_CACHE_SHIFT) /* R4600 only */
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index 3605b84..ad70cba 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -97,18 +97,48 @@
#define NUM_FPU_REGS 32
-typedef __u64 fpureg_t;
+#ifdef CONFIG_CPU_HAS_MSA
+# define FPU_REG_WIDTH 128
+#else
+# define FPU_REG_WIDTH 64
+#endif
+
+union fpureg {
+ __u32 val32[FPU_REG_WIDTH / 32];
+ __u64 val64[FPU_REG_WIDTH / 64];
+};
+
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+# define FPR_IDX(width, idx) (idx)
+#else
+# define FPR_IDX(width, idx) ((FPU_REG_WIDTH / (width)) - 1 - (idx))
+#endif
+
+#define BUILD_FPR_ACCESS(width) \
+static inline u##width get_fpr##width(union fpureg *fpr, unsigned idx) \
+{ \
+ return fpr->val##width[FPR_IDX(width, idx)]; \
+} \
+ \
+static inline void set_fpr##width(union fpureg *fpr, unsigned idx, \
+ u##width val) \
+{ \
+ fpr->val##width[FPR_IDX(width, idx)] = val; \
+}
+
+BUILD_FPR_ACCESS(32)
+BUILD_FPR_ACCESS(64)
/*
- * It would be nice to add some more fields for emulator statistics, but there
- * are a number of fixed offsets in offset.h and elsewhere that would have to
- * be recalculated by hand. So the additional information will be private to
- * the FPU emulator for now. See asm-mips/fpu_emulator.h.
+ * It would be nice to add some more fields for emulator statistics,
+ * the additional information is private to the FPU emulator for now.
+ * See arch/mips/include/asm/fpu_emulator.h.
*/
struct mips_fpu_struct {
- fpureg_t fpr[NUM_FPU_REGS];
+ union fpureg fpr[NUM_FPU_REGS];
unsigned int fcr31;
+ unsigned int msacsr;
};
#define NUM_DSP_REGS 6
@@ -284,8 +314,9 @@
* Saved FPU/FPU emulator stuff \
*/ \
.fpu = { \
- .fpr = {0,}, \
+ .fpr = {{{0,},},}, \
.fcr31 = 0, \
+ .msacsr = 0, \
}, \
/* \
* FPU affinity state (null if not FPAFF) \
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index 7bba9da..bf1ac8d3 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -82,7 +82,7 @@
#define instruction_pointer(regs) ((regs)->cp0_epc)
#define profile_pc(regs) instruction_pointer(regs)
-extern asmlinkage void syscall_trace_enter(struct pt_regs *regs);
+extern asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall);
extern asmlinkage void syscall_trace_leave(struct pt_regs *regs);
extern void die(const char *, struct pt_regs *) __noreturn;
diff --git a/arch/mips/include/asm/r4kcache.h b/arch/mips/include/asm/r4kcache.h
index c84cadd..ca64cbe 100644
--- a/arch/mips/include/asm/r4kcache.h
+++ b/arch/mips/include/asm/r4kcache.h
@@ -17,6 +17,7 @@
#include <asm/cpu-features.h>
#include <asm/cpu-type.h>
#include <asm/mipsmtregs.h>
+#include <asm/uaccess.h> /* for segment_eq() */
/*
* This macro return a properly sign-extended address suitable as base address
@@ -35,7 +36,7 @@
__asm__ __volatile__( \
" .set push \n" \
" .set noreorder \n" \
- " .set mips3\n\t \n" \
+ " .set arch=r4000 \n" \
" cache %0, %1 \n" \
" .set pop \n" \
: \
@@ -203,7 +204,7 @@
__asm__ __volatile__( \
" .set push \n" \
" .set noreorder \n" \
- " .set mips3 \n" \
+ " .set arch=r4000 \n" \
"1: cache %0, (%1) \n" \
"2: .set pop \n" \
" .section __ex_table,\"a\" \n" \
@@ -212,6 +213,20 @@
: \
: "i" (op), "r" (addr))
+#define protected_cachee_op(op,addr) \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noreorder \n" \
+ " .set mips0 \n" \
+ " .set eva \n" \
+ "1: cachee %0, (%1) \n" \
+ "2: .set pop \n" \
+ " .section __ex_table,\"a\" \n" \
+ " "STR(PTR)" 1b, 2b \n" \
+ " .previous" \
+ : \
+ : "i" (op), "r" (addr))
+
/*
* The next two are for badland addresses like signal trampolines.
*/
@@ -223,7 +238,11 @@
break;
default:
+#ifdef CONFIG_EVA
+ protected_cachee_op(Hit_Invalidate_I, addr);
+#else
protected_cache_op(Hit_Invalidate_I, addr);
+#endif
break;
}
}
@@ -356,6 +375,91 @@
: "r" (base), \
"i" (op));
+/*
+ * Perform the cache operation specified by op using a user mode virtual
+ * address while in kernel mode.
+ */
+#define cache16_unroll32_user(base,op) \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noreorder \n" \
+ " .set mips0 \n" \
+ " .set eva \n" \
+ " cachee %1, 0x000(%0); cachee %1, 0x010(%0) \n" \
+ " cachee %1, 0x020(%0); cachee %1, 0x030(%0) \n" \
+ " cachee %1, 0x040(%0); cachee %1, 0x050(%0) \n" \
+ " cachee %1, 0x060(%0); cachee %1, 0x070(%0) \n" \
+ " cachee %1, 0x080(%0); cachee %1, 0x090(%0) \n" \
+ " cachee %1, 0x0a0(%0); cachee %1, 0x0b0(%0) \n" \
+ " cachee %1, 0x0c0(%0); cachee %1, 0x0d0(%0) \n" \
+ " cachee %1, 0x0e0(%0); cachee %1, 0x0f0(%0) \n" \
+ " cachee %1, 0x100(%0); cachee %1, 0x110(%0) \n" \
+ " cachee %1, 0x120(%0); cachee %1, 0x130(%0) \n" \
+ " cachee %1, 0x140(%0); cachee %1, 0x150(%0) \n" \
+ " cachee %1, 0x160(%0); cachee %1, 0x170(%0) \n" \
+ " cachee %1, 0x180(%0); cachee %1, 0x190(%0) \n" \
+ " cachee %1, 0x1a0(%0); cachee %1, 0x1b0(%0) \n" \
+ " cachee %1, 0x1c0(%0); cachee %1, 0x1d0(%0) \n" \
+ " cachee %1, 0x1e0(%0); cachee %1, 0x1f0(%0) \n" \
+ " .set pop \n" \
+ : \
+ : "r" (base), \
+ "i" (op));
+
+#define cache32_unroll32_user(base, op) \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noreorder \n" \
+ " .set mips0 \n" \
+ " .set eva \n" \
+ " cachee %1, 0x000(%0); cachee %1, 0x020(%0) \n" \
+ " cachee %1, 0x040(%0); cachee %1, 0x060(%0) \n" \
+ " cachee %1, 0x080(%0); cachee %1, 0x0a0(%0) \n" \
+ " cachee %1, 0x0c0(%0); cachee %1, 0x0e0(%0) \n" \
+ " cachee %1, 0x100(%0); cachee %1, 0x120(%0) \n" \
+ " cachee %1, 0x140(%0); cachee %1, 0x160(%0) \n" \
+ " cachee %1, 0x180(%0); cachee %1, 0x1a0(%0) \n" \
+ " cachee %1, 0x1c0(%0); cachee %1, 0x1e0(%0) \n" \
+ " cachee %1, 0x200(%0); cachee %1, 0x220(%0) \n" \
+ " cachee %1, 0x240(%0); cachee %1, 0x260(%0) \n" \
+ " cachee %1, 0x280(%0); cachee %1, 0x2a0(%0) \n" \
+ " cachee %1, 0x2c0(%0); cachee %1, 0x2e0(%0) \n" \
+ " cachee %1, 0x300(%0); cachee %1, 0x320(%0) \n" \
+ " cachee %1, 0x340(%0); cachee %1, 0x360(%0) \n" \
+ " cachee %1, 0x380(%0); cachee %1, 0x3a0(%0) \n" \
+ " cachee %1, 0x3c0(%0); cachee %1, 0x3e0(%0) \n" \
+ " .set pop \n" \
+ : \
+ : "r" (base), \
+ "i" (op));
+
+#define cache64_unroll32_user(base, op) \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noreorder \n" \
+ " .set mips0 \n" \
+ " .set eva \n" \
+ " cachee %1, 0x000(%0); cachee %1, 0x040(%0) \n" \
+ " cachee %1, 0x080(%0); cachee %1, 0x0c0(%0) \n" \
+ " cachee %1, 0x100(%0); cachee %1, 0x140(%0) \n" \
+ " cachee %1, 0x180(%0); cachee %1, 0x1c0(%0) \n" \
+ " cachee %1, 0x200(%0); cachee %1, 0x240(%0) \n" \
+ " cachee %1, 0x280(%0); cachee %1, 0x2c0(%0) \n" \
+ " cachee %1, 0x300(%0); cachee %1, 0x340(%0) \n" \
+ " cachee %1, 0x380(%0); cachee %1, 0x3c0(%0) \n" \
+ " cachee %1, 0x400(%0); cachee %1, 0x440(%0) \n" \
+ " cachee %1, 0x480(%0); cachee %1, 0x4c0(%0) \n" \
+ " cachee %1, 0x500(%0); cachee %1, 0x540(%0) \n" \
+ " cachee %1, 0x580(%0); cachee %1, 0x5c0(%0) \n" \
+ " cachee %1, 0x600(%0); cachee %1, 0x640(%0) \n" \
+ " cachee %1, 0x680(%0); cachee %1, 0x6c0(%0) \n" \
+ " cachee %1, 0x700(%0); cachee %1, 0x740(%0) \n" \
+ " cachee %1, 0x780(%0); cachee %1, 0x7c0(%0) \n" \
+ " .set pop \n" \
+ : \
+ : "r" (base), \
+ "i" (op));
+
/* build blast_xxx, blast_xxx_page, blast_xxx_page_indexed */
#define __BUILD_BLAST_CACHE(pfx, desc, indexop, hitop, lsize, extra) \
static inline void extra##blast_##pfx##cache##lsize(void) \
@@ -429,6 +533,32 @@
__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 64, )
__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 128, )
+#define __BUILD_BLAST_USER_CACHE(pfx, desc, indexop, hitop, lsize) \
+static inline void blast_##pfx##cache##lsize##_user_page(unsigned long page) \
+{ \
+ unsigned long start = page; \
+ unsigned long end = page + PAGE_SIZE; \
+ \
+ __##pfx##flush_prologue \
+ \
+ do { \
+ cache##lsize##_unroll32_user(start, hitop); \
+ start += lsize * 32; \
+ } while (start < end); \
+ \
+ __##pfx##flush_epilogue \
+}
+
+__BUILD_BLAST_USER_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D,
+ 16)
+__BUILD_BLAST_USER_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16)
+__BUILD_BLAST_USER_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D,
+ 32)
+__BUILD_BLAST_USER_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 32)
+__BUILD_BLAST_USER_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D,
+ 64)
+__BUILD_BLAST_USER_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 64)
+
/* build blast_xxx_range, protected_blast_xxx_range */
#define __BUILD_BLAST_CACHE_RANGE(pfx, desc, hitop, prot, extra) \
static inline void prot##extra##blast_##pfx##cache##_range(unsigned long start, \
@@ -450,12 +580,51 @@
__##pfx##flush_epilogue \
}
+#ifndef CONFIG_EVA
+
__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, protected_, )
-__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, protected_, )
__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, protected_, )
+
+#else
+
+#define __BUILD_PROT_BLAST_CACHE_RANGE(pfx, desc, hitop) \
+static inline void protected_blast_##pfx##cache##_range(unsigned long start,\
+ unsigned long end) \
+{ \
+ unsigned long lsize = cpu_##desc##_line_size(); \
+ unsigned long addr = start & ~(lsize - 1); \
+ unsigned long aend = (end - 1) & ~(lsize - 1); \
+ \
+ __##pfx##flush_prologue \
+ \
+ if (segment_eq(get_fs(), USER_DS)) { \
+ while (1) { \
+ protected_cachee_op(hitop, addr); \
+ if (addr == aend) \
+ break; \
+ addr += lsize; \
+ } \
+ } else { \
+ while (1) { \
+ protected_cache_op(hitop, addr); \
+ if (addr == aend) \
+ break; \
+ addr += lsize; \
+ } \
+ \
+ } \
+ __##pfx##flush_epilogue \
+}
+
+__BUILD_PROT_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D)
+__BUILD_PROT_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I)
+
+#endif
+__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, protected_, )
__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I_Loongson2, \
protected_, loongson2_)
__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, , )
+__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, , )
__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, , )
/* blast_inv_dcache_range */
__BUILD_BLAST_CACHE_RANGE(inv_d, dcache, Hit_Invalidate_D, , )
diff --git a/arch/mips/include/asm/sigcontext.h b/arch/mips/include/asm/sigcontext.h
index eeeb0f4..f54bdbe 100644
--- a/arch/mips/include/asm/sigcontext.h
+++ b/arch/mips/include/asm/sigcontext.h
@@ -32,6 +32,8 @@
__u32 sc_lo2;
__u32 sc_hi3;
__u32 sc_lo3;
+ __u64 sc_msaregs[32]; /* Most significant 64 bits */
+ __u32 sc_msa_csr;
};
#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */
#endif /* _ASM_SIGCONTEXT_H */
diff --git a/arch/mips/include/asm/smp-cps.h b/arch/mips/include/asm/smp-cps.h
new file mode 100644
index 0000000..d60d1a2
--- /dev/null
+++ b/arch/mips/include/asm/smp-cps.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2013 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __MIPS_ASM_SMP_CPS_H__
+#define __MIPS_ASM_SMP_CPS_H__
+
+#ifndef __ASSEMBLY__
+
+struct boot_config {
+ unsigned int core;
+ unsigned int vpe;
+ unsigned long pc;
+ unsigned long sp;
+ unsigned long gp;
+};
+
+extern struct boot_config mips_cps_bootcfg;
+
+extern void mips_cps_core_entry(void);
+
+#else /* __ASSEMBLY__ */
+
+.extern mips_cps_bootcfg;
+
+#endif /* __ASSEMBLY__ */
+#endif /* __MIPS_ASM_SMP_CPS_H__ */
diff --git a/arch/mips/include/asm/smp-ops.h b/arch/mips/include/asm/smp-ops.h
index ef2a804..73d35b1 100644
--- a/arch/mips/include/asm/smp-ops.h
+++ b/arch/mips/include/asm/smp-ops.h
@@ -13,6 +13,8 @@
#include <linux/errno.h>
+#include <asm/mips-cm.h>
+
#ifdef CONFIG_SMP
#include <linux/cpumask.h>
@@ -43,6 +45,9 @@
mp_ops->smp_setup();
}
+extern void gic_send_ipi_single(int cpu, unsigned int action);
+extern void gic_send_ipi_mask(const struct cpumask *mask, unsigned int action);
+
#else /* !CONFIG_SMP */
struct plat_smp_ops;
@@ -76,6 +81,9 @@
#ifdef CONFIG_MIPS_CMP
extern struct plat_smp_ops cmp_smp_ops;
+ if (!mips_cm_present())
+ return -ENODEV;
+
register_smp_ops(&cmp_smp_ops);
return 0;
@@ -97,4 +105,13 @@
#endif
}
+#ifdef CONFIG_MIPS_CPS
+extern int register_cps_smp_ops(void);
+#else
+static inline int register_cps_smp_ops(void)
+{
+ return -ENODEV;
+}
+#endif
+
#endif /* __ASM_SMP_OPS_H */
diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h
index eb60087..efa02ac 100644
--- a/arch/mips/include/asm/smp.h
+++ b/arch/mips/include/asm/smp.h
@@ -42,6 +42,7 @@
#define SMP_ICACHE_FLUSH 0x4
/* Used by kexec crashdump to save all cpu's state */
#define SMP_DUMP 0x8
+#define SMP_ASK_C0COUNT 0x10
extern volatile cpumask_t cpu_callin_map;
diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
index 4857e2c..d301e10 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -435,7 +435,7 @@
.macro RESTORE_SP_AND_RET
LONG_L sp, PT_R29(sp)
- .set mips3
+ .set arch=r4000
eret
.set mips0
.endm
diff --git a/arch/mips/include/asm/switch_to.h b/arch/mips/include/asm/switch_to.h
index 278d45a..495c104 100644
--- a/arch/mips/include/asm/switch_to.h
+++ b/arch/mips/include/asm/switch_to.h
@@ -16,22 +16,29 @@
#include <asm/watch.h>
#include <asm/dsp.h>
#include <asm/cop2.h>
+#include <asm/msa.h>
struct task_struct;
+enum {
+ FP_SAVE_NONE = 0,
+ FP_SAVE_VECTOR = -1,
+ FP_SAVE_SCALAR = 1,
+};
+
/**
* resume - resume execution of a task
* @prev: The task previously executed.
* @next: The task to begin executing.
* @next_ti: task_thread_info(next).
- * @usedfpu: Non-zero if prev's FP context should be saved.
+ * @fp_save: Which, if any, FP context to save for prev.
*
* This function is used whilst scheduling to save the context of prev & load
* the context of next. Returns prev.
*/
extern asmlinkage struct task_struct *resume(struct task_struct *prev,
struct task_struct *next, struct thread_info *next_ti,
- u32 usedfpu);
+ s32 fp_save);
extern unsigned int ll_bit;
extern struct task_struct *ll_task;
@@ -75,7 +82,8 @@
#define switch_to(prev, next, last) \
do { \
- u32 __usedfpu, __c0_stat; \
+ u32 __c0_stat; \
+ s32 __fpsave = FP_SAVE_NONE; \
__mips_mt_fpaff_switch_to(prev); \
if (cpu_has_dsp) \
__save_dsp(prev); \
@@ -88,8 +96,12 @@
write_c0_status(__c0_stat & ~ST0_CU2); \
} \
__clear_software_ll_bit(); \
- __usedfpu = test_and_clear_tsk_thread_flag(prev, TIF_USEDFPU); \
- (last) = resume(prev, next, task_thread_info(next), __usedfpu); \
+ if (test_and_clear_tsk_thread_flag(prev, TIF_USEDFPU)) \
+ __fpsave = FP_SAVE_SCALAR; \
+ if (test_and_clear_tsk_thread_flag(prev, TIF_USEDMSA)) \
+ __fpsave = FP_SAVE_VECTOR; \
+ (last) = resume(prev, next, task_thread_info(next), __fpsave); \
+ disable_msa(); \
} while (0)
#define finish_arch_switch(prev) \
diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h
index f35b131..6c488c8 100644
--- a/arch/mips/include/asm/syscall.h
+++ b/arch/mips/include/asm/syscall.h
@@ -20,11 +20,22 @@
#include <linux/sched.h>
#include <linux/uaccess.h>
#include <asm/ptrace.h>
+#include <asm/unistd.h>
+
+#ifndef __NR_syscall /* Only defined if _MIPS_SIM == _MIPS_SIM_ABI32 */
+#define __NR_syscall 4000
+#endif
static inline long syscall_get_nr(struct task_struct *task,
struct pt_regs *regs)
{
- return regs->regs[2];
+ /* O32 ABI syscall() - Either 64-bit with O32 or 32-bit */
+ if ((config_enabled(CONFIG_32BIT) ||
+ test_tsk_thread_flag(task, TIF_32BIT_REGS)) &&
+ (regs->regs[2] == __NR_syscall))
+ return regs->regs[4];
+ else
+ return regs->regs[2];
}
static inline unsigned long mips_get_syscall_arg(unsigned long *arg,
@@ -68,6 +79,12 @@
return regs->regs[2];
}
+static inline void syscall_rollback(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ /* Do nothing */
+}
+
static inline void syscall_set_return_value(struct task_struct *task,
struct pt_regs *regs,
int error, long val)
@@ -87,6 +104,13 @@
unsigned long *args)
{
int ret;
+ /* O32 ABI syscall() - Either 64-bit with O32 or 32-bit */
+ if ((config_enabled(CONFIG_32BIT) ||
+ test_tsk_thread_flag(task, TIF_32BIT_REGS)) &&
+ (regs->regs[2] == __NR_syscall)) {
+ i++;
+ n++;
+ }
while (n--)
ret |= mips_get_syscall_arg(args++, task, regs, i++);
@@ -103,11 +127,13 @@
extern const unsigned long sys32_call_table[];
extern const unsigned long sysn32_call_table[];
-static inline int __syscall_get_arch(void)
+static inline int syscall_get_arch(struct task_struct *task,
+ struct pt_regs *regs)
{
int arch = EM_MIPS;
#ifdef CONFIG_64BIT
- arch |= __AUDIT_ARCH_64BIT;
+ if (!test_tsk_thread_flag(task, TIF_32BIT_REGS))
+ arch |= __AUDIT_ARCH_64BIT;
#endif
#if defined(__LITTLE_ENDIAN)
arch |= __AUDIT_ARCH_LE;
diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index 24846f9..d2d961d 100644
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -116,6 +116,8 @@
#define TIF_LOAD_WATCH 25 /* If set, load watch registers */
#define TIF_SYSCALL_TRACEPOINT 26 /* syscall tracepoint instrumentation */
#define TIF_32BIT_FPREGS 27 /* 32-bit floating point registers */
+#define TIF_USEDMSA 29 /* MSA has been used this quantum */
+#define TIF_MSA_CTX_LIVE 30 /* MSA context must be preserved */
#define TIF_SYSCALL_TRACE 31 /* syscall trace active */
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
@@ -133,10 +135,13 @@
#define _TIF_FPUBOUND (1<<TIF_FPUBOUND)
#define _TIF_LOAD_WATCH (1<<TIF_LOAD_WATCH)
#define _TIF_32BIT_FPREGS (1<<TIF_32BIT_FPREGS)
+#define _TIF_USEDMSA (1<<TIF_USEDMSA)
+#define _TIF_MSA_CTX_LIVE (1<<TIF_MSA_CTX_LIVE)
#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
#define _TIF_WORK_SYSCALL_ENTRY (_TIF_NOHZ | _TIF_SYSCALL_TRACE | \
- _TIF_SYSCALL_AUDIT | _TIF_SYSCALL_TRACEPOINT)
+ _TIF_SYSCALL_AUDIT | \
+ _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP)
/* work to do in syscall_trace_leave() */
#define _TIF_WORK_SYSCALL_EXIT (_TIF_NOHZ | _TIF_SYSCALL_TRACE | \
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
index f3fa375..a109510 100644
--- a/arch/mips/include/asm/uaccess.h
+++ b/arch/mips/include/asm/uaccess.h
@@ -6,6 +6,7 @@
* Copyright (C) 1996, 1997, 1998, 1999, 2000, 03, 04 by Ralf Baechle
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
* Copyright (C) 2007 Maciej W. Rozycki
+ * Copyright (C) 2014, Imagination Technologies Ltd.
*/
#ifndef _ASM_UACCESS_H
#define _ASM_UACCESS_H
@@ -13,6 +14,7 @@
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/thread_info.h>
+#include <asm/asm-eva.h>
/*
* The fs value determines whether argument validity checking should be
@@ -222,11 +224,44 @@
* Yuck. We need two variants, one for 64bit operation and one
* for 32 bit mode and old iron.
*/
+#ifndef CONFIG_EVA
+#define __get_kernel_common(val, size, ptr) __get_user_common(val, size, ptr)
+#else
+/*
+ * Kernel specific functions for EVA. We need to use normal load instructions
+ * to read data from kernel when operating in EVA mode. We use these macros to
+ * avoid redefining __get_user_asm for EVA.
+ */
+#undef _loadd
+#undef _loadw
+#undef _loadh
+#undef _loadb
#ifdef CONFIG_32BIT
-#define __GET_USER_DW(val, ptr) __get_user_asm_ll32(val, ptr)
+#define _loadd _loadw
+#else
+#define _loadd(reg, addr) "ld " reg ", " addr
+#endif
+#define _loadw(reg, addr) "lw " reg ", " addr
+#define _loadh(reg, addr) "lh " reg ", " addr
+#define _loadb(reg, addr) "lb " reg ", " addr
+
+#define __get_kernel_common(val, size, ptr) \
+do { \
+ switch (size) { \
+ case 1: __get_data_asm(val, _loadb, ptr); break; \
+ case 2: __get_data_asm(val, _loadh, ptr); break; \
+ case 4: __get_data_asm(val, _loadw, ptr); break; \
+ case 8: __GET_DW(val, _loadd, ptr); break; \
+ default: __get_user_unknown(); break; \
+ } \
+} while (0)
+#endif
+
+#ifdef CONFIG_32BIT
+#define __GET_DW(val, insn, ptr) __get_data_asm_ll32(val, insn, ptr)
#endif
#ifdef CONFIG_64BIT
-#define __GET_USER_DW(val, ptr) __get_user_asm(val, "ld", ptr)
+#define __GET_DW(val, insn, ptr) __get_data_asm(val, insn, ptr)
#endif
extern void __get_user_unknown(void);
@@ -234,10 +269,10 @@
#define __get_user_common(val, size, ptr) \
do { \
switch (size) { \
- case 1: __get_user_asm(val, "lb", ptr); break; \
- case 2: __get_user_asm(val, "lh", ptr); break; \
- case 4: __get_user_asm(val, "lw", ptr); break; \
- case 8: __GET_USER_DW(val, ptr); break; \
+ case 1: __get_data_asm(val, user_lb, ptr); break; \
+ case 2: __get_data_asm(val, user_lh, ptr); break; \
+ case 4: __get_data_asm(val, user_lw, ptr); break; \
+ case 8: __GET_DW(val, user_ld, ptr); break; \
default: __get_user_unknown(); break; \
} \
} while (0)
@@ -246,8 +281,12 @@
({ \
int __gu_err; \
\
- __chk_user_ptr(ptr); \
- __get_user_common((x), size, ptr); \
+ if (segment_eq(get_fs(), get_ds())) { \
+ __get_kernel_common((x), size, ptr); \
+ } else { \
+ __chk_user_ptr(ptr); \
+ __get_user_common((x), size, ptr); \
+ } \
__gu_err; \
})
@@ -257,18 +296,22 @@
const __typeof__(*(ptr)) __user * __gu_ptr = (ptr); \
\
might_fault(); \
- if (likely(access_ok(VERIFY_READ, __gu_ptr, size))) \
- __get_user_common((x), size, __gu_ptr); \
+ if (likely(access_ok(VERIFY_READ, __gu_ptr, size))) { \
+ if (segment_eq(get_fs(), get_ds())) \
+ __get_kernel_common((x), size, __gu_ptr); \
+ else \
+ __get_user_common((x), size, __gu_ptr); \
+ } \
\
__gu_err; \
})
-#define __get_user_asm(val, insn, addr) \
+#define __get_data_asm(val, insn, addr) \
{ \
long __gu_tmp; \
\
__asm__ __volatile__( \
- "1: " insn " %1, %3 \n" \
+ "1: "insn("%1", "%3")" \n" \
"2: \n" \
" .insn \n" \
" .section .fixup,\"ax\" \n" \
@@ -287,7 +330,7 @@
/*
* Get a long long 64 using 32 bit registers.
*/
-#define __get_user_asm_ll32(val, addr) \
+#define __get_data_asm_ll32(val, insn, addr) \
{ \
union { \
unsigned long long l; \
@@ -295,8 +338,8 @@
} __gu_tmp; \
\
__asm__ __volatile__( \
- "1: lw %1, (%3) \n" \
- "2: lw %D1, 4(%3) \n" \
+ "1: " insn("%1", "(%3)")" \n" \
+ "2: " insn("%D1", "4(%3)")" \n" \
"3: \n" \
" .insn \n" \
" .section .fixup,\"ax\" \n" \
@@ -315,30 +358,73 @@
(val) = __gu_tmp.t; \
}
+#ifndef CONFIG_EVA
+#define __put_kernel_common(ptr, size) __put_user_common(ptr, size)
+#else
+/*
+ * Kernel specific functions for EVA. We need to use normal load instructions
+ * to read data from kernel when operating in EVA mode. We use these macros to
+ * avoid redefining __get_data_asm for EVA.
+ */
+#undef _stored
+#undef _storew
+#undef _storeh
+#undef _storeb
+#ifdef CONFIG_32BIT
+#define _stored _storew
+#else
+#define _stored(reg, addr) "ld " reg ", " addr
+#endif
+
+#define _storew(reg, addr) "sw " reg ", " addr
+#define _storeh(reg, addr) "sh " reg ", " addr
+#define _storeb(reg, addr) "sb " reg ", " addr
+
+#define __put_kernel_common(ptr, size) \
+do { \
+ switch (size) { \
+ case 1: __put_data_asm(_storeb, ptr); break; \
+ case 2: __put_data_asm(_storeh, ptr); break; \
+ case 4: __put_data_asm(_storew, ptr); break; \
+ case 8: __PUT_DW(_stored, ptr); break; \
+ default: __put_user_unknown(); break; \
+ } \
+} while(0)
+#endif
+
/*
* Yuck. We need two variants, one for 64bit operation and one
* for 32 bit mode and old iron.
*/
#ifdef CONFIG_32BIT
-#define __PUT_USER_DW(ptr) __put_user_asm_ll32(ptr)
+#define __PUT_DW(insn, ptr) __put_data_asm_ll32(insn, ptr)
#endif
#ifdef CONFIG_64BIT
-#define __PUT_USER_DW(ptr) __put_user_asm("sd", ptr)
+#define __PUT_DW(insn, ptr) __put_data_asm(insn, ptr)
#endif
+#define __put_user_common(ptr, size) \
+do { \
+ switch (size) { \
+ case 1: __put_data_asm(user_sb, ptr); break; \
+ case 2: __put_data_asm(user_sh, ptr); break; \
+ case 4: __put_data_asm(user_sw, ptr); break; \
+ case 8: __PUT_DW(user_sd, ptr); break; \
+ default: __put_user_unknown(); break; \
+ } \
+} while (0)
+
#define __put_user_nocheck(x, ptr, size) \
({ \
__typeof__(*(ptr)) __pu_val; \
int __pu_err = 0; \
\
- __chk_user_ptr(ptr); \
__pu_val = (x); \
- switch (size) { \
- case 1: __put_user_asm("sb", ptr); break; \
- case 2: __put_user_asm("sh", ptr); break; \
- case 4: __put_user_asm("sw", ptr); break; \
- case 8: __PUT_USER_DW(ptr); break; \
- default: __put_user_unknown(); break; \
+ if (segment_eq(get_fs(), get_ds())) { \
+ __put_kernel_common(ptr, size); \
+ } else { \
+ __chk_user_ptr(ptr); \
+ __put_user_common(ptr, size); \
} \
__pu_err; \
})
@@ -351,21 +437,19 @@
\
might_fault(); \
if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) { \
- switch (size) { \
- case 1: __put_user_asm("sb", __pu_addr); break; \
- case 2: __put_user_asm("sh", __pu_addr); break; \
- case 4: __put_user_asm("sw", __pu_addr); break; \
- case 8: __PUT_USER_DW(__pu_addr); break; \
- default: __put_user_unknown(); break; \
- } \
+ if (segment_eq(get_fs(), get_ds())) \
+ __put_kernel_common(__pu_addr, size); \
+ else \
+ __put_user_common(__pu_addr, size); \
} \
+ \
__pu_err; \
})
-#define __put_user_asm(insn, ptr) \
+#define __put_data_asm(insn, ptr) \
{ \
__asm__ __volatile__( \
- "1: " insn " %z2, %3 # __put_user_asm\n" \
+ "1: "insn("%z2", "%3")" # __put_data_asm \n" \
"2: \n" \
" .insn \n" \
" .section .fixup,\"ax\" \n" \
@@ -380,11 +464,11 @@
"i" (-EFAULT)); \
}
-#define __put_user_asm_ll32(ptr) \
+#define __put_data_asm_ll32(insn, ptr) \
{ \
__asm__ __volatile__( \
- "1: sw %2, (%3) # __put_user_asm_ll32 \n" \
- "2: sw %D2, 4(%3) \n" \
+ "1: "insn("%2", "(%3)")" # __put_data_asm_ll32 \n" \
+ "2: "insn("%D2", "4(%3)")" \n" \
"3: \n" \
" .insn \n" \
" .section .fixup,\"ax\" \n" \
@@ -403,6 +487,11 @@
extern void __put_user_unknown(void);
/*
+ * ul{b,h,w} are macros and there are no equivalent macros for EVA.
+ * EVA unaligned access is handled in the ADE exception handler.
+ */
+#ifndef CONFIG_EVA
+/*
* put_user_unaligned: - Write a simple value into user space.
* @x: Value to copy to user space.
* @ptr: Destination address, in user space.
@@ -504,7 +593,7 @@
#define __get_user_unaligned_common(val, size, ptr) \
do { \
switch (size) { \
- case 1: __get_user_asm(val, "lb", ptr); break; \
+ case 1: __get_data_asm(val, "lb", ptr); break; \
case 2: __get_user_unaligned_asm(val, "ulh", ptr); break; \
case 4: __get_user_unaligned_asm(val, "ulw", ptr); break; \
case 8: __GET_USER_UNALIGNED_DW(val, ptr); break; \
@@ -531,7 +620,7 @@
__gu_err; \
})
-#define __get_user_unaligned_asm(val, insn, addr) \
+#define __get_data_unaligned_asm(val, insn, addr) \
{ \
long __gu_tmp; \
\
@@ -594,19 +683,23 @@
#define __PUT_USER_UNALIGNED_DW(ptr) __put_user_unaligned_asm("usd", ptr)
#endif
+#define __put_user_unaligned_common(ptr, size) \
+do { \
+ switch (size) { \
+ case 1: __put_data_asm("sb", ptr); break; \
+ case 2: __put_user_unaligned_asm("ush", ptr); break; \
+ case 4: __put_user_unaligned_asm("usw", ptr); break; \
+ case 8: __PUT_USER_UNALIGNED_DW(ptr); break; \
+ default: __put_user_unaligned_unknown(); break; \
+} while (0)
+
#define __put_user_unaligned_nocheck(x,ptr,size) \
({ \
__typeof__(*(ptr)) __pu_val; \
int __pu_err = 0; \
\
__pu_val = (x); \
- switch (size) { \
- case 1: __put_user_asm("sb", ptr); break; \
- case 2: __put_user_unaligned_asm("ush", ptr); break; \
- case 4: __put_user_unaligned_asm("usw", ptr); break; \
- case 8: __PUT_USER_UNALIGNED_DW(ptr); break; \
- default: __put_user_unaligned_unknown(); break; \
- } \
+ __put_user_unaligned_common(ptr, size); \
__pu_err; \
})
@@ -616,15 +709,9 @@
__typeof__(*(ptr)) __pu_val = (x); \
int __pu_err = -EFAULT; \
\
- if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) { \
- switch (size) { \
- case 1: __put_user_asm("sb", __pu_addr); break; \
- case 2: __put_user_unaligned_asm("ush", __pu_addr); break; \
- case 4: __put_user_unaligned_asm("usw", __pu_addr); break; \
- case 8: __PUT_USER_UNALGINED_DW(__pu_addr); break; \
- default: __put_user_unaligned_unknown(); break; \
- } \
- } \
+ if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) \
+ __put_user_unaligned_common(__pu_addr, size); \
+ \
__pu_err; \
})
@@ -669,6 +756,7 @@
}
extern void __put_user_unaligned_unknown(void);
+#endif
/*
* We're generating jump to subroutines which will be outside the range of
@@ -693,6 +781,7 @@
extern size_t __copy_user(void *__to, const void *__from, size_t __n);
+#ifndef CONFIG_EVA
#define __invoke_copy_to_user(to, from, n) \
({ \
register void __user *__cu_to_r __asm__("$4"); \
@@ -711,6 +800,11 @@
__cu_len_r; \
})
+#define __invoke_copy_to_kernel(to, from, n) \
+ __invoke_copy_to_user(to, from, n)
+
+#endif
+
/*
* __copy_to_user: - Copy a block of data into user space, with less checking.
* @to: Destination address, in user space.
@@ -735,7 +829,12 @@
__cu_from = (from); \
__cu_len = (n); \
might_fault(); \
- __cu_len = __invoke_copy_to_user(__cu_to, __cu_from, __cu_len); \
+ if (segment_eq(get_fs(), get_ds())) \
+ __cu_len = __invoke_copy_to_kernel(__cu_to, __cu_from, \
+ __cu_len); \
+ else \
+ __cu_len = __invoke_copy_to_user(__cu_to, __cu_from, \
+ __cu_len); \
__cu_len; \
})
@@ -750,7 +849,12 @@
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
- __cu_len = __invoke_copy_to_user(__cu_to, __cu_from, __cu_len); \
+ if (segment_eq(get_fs(), get_ds())) \
+ __cu_len = __invoke_copy_to_kernel(__cu_to, __cu_from, \
+ __cu_len); \
+ else \
+ __cu_len = __invoke_copy_to_user(__cu_to, __cu_from, \
+ __cu_len); \
__cu_len; \
})
@@ -763,8 +867,14 @@
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
- __cu_len = __invoke_copy_from_user_inatomic(__cu_to, __cu_from, \
- __cu_len); \
+ if (segment_eq(get_fs(), get_ds())) \
+ __cu_len = __invoke_copy_from_kernel_inatomic(__cu_to, \
+ __cu_from,\
+ __cu_len);\
+ else \
+ __cu_len = __invoke_copy_from_user_inatomic(__cu_to, \
+ __cu_from, \
+ __cu_len); \
__cu_len; \
})
@@ -790,14 +900,23 @@
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
- if (access_ok(VERIFY_WRITE, __cu_to, __cu_len)) { \
- might_fault(); \
- __cu_len = __invoke_copy_to_user(__cu_to, __cu_from, \
- __cu_len); \
+ if (segment_eq(get_fs(), get_ds())) { \
+ __cu_len = __invoke_copy_to_kernel(__cu_to, \
+ __cu_from, \
+ __cu_len); \
+ } else { \
+ if (access_ok(VERIFY_WRITE, __cu_to, __cu_len)) { \
+ might_fault(); \
+ __cu_len = __invoke_copy_to_user(__cu_to, \
+ __cu_from, \
+ __cu_len); \
+ } \
} \
__cu_len; \
})
+#ifndef CONFIG_EVA
+
#define __invoke_copy_from_user(to, from, n) \
({ \
register void *__cu_to_r __asm__("$4"); \
@@ -821,6 +940,17 @@
__cu_len_r; \
})
+#define __invoke_copy_from_kernel(to, from, n) \
+ __invoke_copy_from_user(to, from, n)
+
+/* For userland <-> userland operations */
+#define ___invoke_copy_in_user(to, from, n) \
+ __invoke_copy_from_user(to, from, n)
+
+/* For kernel <-> kernel operations */
+#define ___invoke_copy_in_kernel(to, from, n) \
+ __invoke_copy_from_user(to, from, n)
+
#define __invoke_copy_from_user_inatomic(to, from, n) \
({ \
register void *__cu_to_r __asm__("$4"); \
@@ -844,6 +974,97 @@
__cu_len_r; \
})
+#define __invoke_copy_from_kernel_inatomic(to, from, n) \
+ __invoke_copy_from_user_inatomic(to, from, n) \
+
+#else
+
+/* EVA specific functions */
+
+extern size_t __copy_user_inatomic_eva(void *__to, const void *__from,
+ size_t __n);
+extern size_t __copy_from_user_eva(void *__to, const void *__from,
+ size_t __n);
+extern size_t __copy_to_user_eva(void *__to, const void *__from,
+ size_t __n);
+extern size_t __copy_in_user_eva(void *__to, const void *__from, size_t __n);
+
+#define __invoke_copy_from_user_eva_generic(to, from, n, func_ptr) \
+({ \
+ register void *__cu_to_r __asm__("$4"); \
+ register const void __user *__cu_from_r __asm__("$5"); \
+ register long __cu_len_r __asm__("$6"); \
+ \
+ __cu_to_r = (to); \
+ __cu_from_r = (from); \
+ __cu_len_r = (n); \
+ __asm__ __volatile__( \
+ ".set\tnoreorder\n\t" \
+ __MODULE_JAL(func_ptr) \
+ ".set\tnoat\n\t" \
+ __UA_ADDU "\t$1, %1, %2\n\t" \
+ ".set\tat\n\t" \
+ ".set\treorder" \
+ : "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r) \
+ : \
+ : "$8", "$9", "$10", "$11", "$12", "$14", "$15", "$24", "$31", \
+ DADDI_SCRATCH, "memory"); \
+ __cu_len_r; \
+})
+
+#define __invoke_copy_to_user_eva_generic(to, from, n, func_ptr) \
+({ \
+ register void *__cu_to_r __asm__("$4"); \
+ register const void __user *__cu_from_r __asm__("$5"); \
+ register long __cu_len_r __asm__("$6"); \
+ \
+ __cu_to_r = (to); \
+ __cu_from_r = (from); \
+ __cu_len_r = (n); \
+ __asm__ __volatile__( \
+ __MODULE_JAL(func_ptr) \
+ : "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r) \
+ : \
+ : "$8", "$9", "$10", "$11", "$12", "$14", "$15", "$24", "$31", \
+ DADDI_SCRATCH, "memory"); \
+ __cu_len_r; \
+})
+
+/*
+ * Source or destination address is in userland. We need to go through
+ * the TLB
+ */
+#define __invoke_copy_from_user(to, from, n) \
+ __invoke_copy_from_user_eva_generic(to, from, n, __copy_from_user_eva)
+
+#define __invoke_copy_from_user_inatomic(to, from, n) \
+ __invoke_copy_from_user_eva_generic(to, from, n, \
+ __copy_user_inatomic_eva)
+
+#define __invoke_copy_to_user(to, from, n) \
+ __invoke_copy_to_user_eva_generic(to, from, n, __copy_to_user_eva)
+
+#define ___invoke_copy_in_user(to, from, n) \
+ __invoke_copy_from_user_eva_generic(to, from, n, __copy_in_user_eva)
+
+/*
+ * Source or destination address in the kernel. We are not going through
+ * the TLB
+ */
+#define __invoke_copy_from_kernel(to, from, n) \
+ __invoke_copy_from_user_eva_generic(to, from, n, __copy_user)
+
+#define __invoke_copy_from_kernel_inatomic(to, from, n) \
+ __invoke_copy_from_user_eva_generic(to, from, n, __copy_user_inatomic)
+
+#define __invoke_copy_to_kernel(to, from, n) \
+ __invoke_copy_to_user_eva_generic(to, from, n, __copy_user)
+
+#define ___invoke_copy_in_kernel(to, from, n) \
+ __invoke_copy_from_user_eva_generic(to, from, n, __copy_user)
+
+#endif /* CONFIG_EVA */
+
/*
* __copy_from_user: - Copy a block of data from user space, with less checking.
* @to: Destination address, in kernel space.
@@ -901,10 +1122,17 @@
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
- if (access_ok(VERIFY_READ, __cu_from, __cu_len)) { \
- might_fault(); \
- __cu_len = __invoke_copy_from_user(__cu_to, __cu_from, \
- __cu_len); \
+ if (segment_eq(get_fs(), get_ds())) { \
+ __cu_len = __invoke_copy_from_kernel(__cu_to, \
+ __cu_from, \
+ __cu_len); \
+ } else { \
+ if (access_ok(VERIFY_READ, __cu_from, __cu_len)) { \
+ might_fault(); \
+ __cu_len = __invoke_copy_from_user(__cu_to, \
+ __cu_from, \
+ __cu_len); \
+ } \
} \
__cu_len; \
})
@@ -918,9 +1146,14 @@
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
- might_fault(); \
- __cu_len = __invoke_copy_from_user(__cu_to, __cu_from, \
- __cu_len); \
+ if (segment_eq(get_fs(), get_ds())) { \
+ __cu_len = ___invoke_copy_in_kernel(__cu_to, __cu_from, \
+ __cu_len); \
+ } else { \
+ might_fault(); \
+ __cu_len = ___invoke_copy_in_user(__cu_to, __cu_from, \
+ __cu_len); \
+ } \
__cu_len; \
})
@@ -933,11 +1166,17 @@
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
- if (likely(access_ok(VERIFY_READ, __cu_from, __cu_len) && \
- access_ok(VERIFY_WRITE, __cu_to, __cu_len))) { \
- might_fault(); \
- __cu_len = __invoke_copy_from_user(__cu_to, __cu_from, \
- __cu_len); \
+ if (segment_eq(get_fs(), get_ds())) { \
+ __cu_len = ___invoke_copy_in_kernel(__cu_to,__cu_from, \
+ __cu_len); \
+ } else { \
+ if (likely(access_ok(VERIFY_READ, __cu_from, __cu_len) &&\
+ access_ok(VERIFY_WRITE, __cu_to, __cu_len))) {\
+ might_fault(); \
+ __cu_len = ___invoke_copy_in_user(__cu_to, \
+ __cu_from, \
+ __cu_len); \
+ } \
} \
__cu_len; \
})
@@ -1007,16 +1246,28 @@
{
long res;
- might_fault();
- __asm__ __volatile__(
- "move\t$4, %1\n\t"
- "move\t$5, %2\n\t"
- "move\t$6, %3\n\t"
- __MODULE_JAL(__strncpy_from_user_nocheck_asm)
- "move\t%0, $2"
- : "=r" (res)
- : "r" (__to), "r" (__from), "r" (__len)
- : "$2", "$3", "$4", "$5", "$6", __UA_t0, "$31", "memory");
+ if (segment_eq(get_fs(), get_ds())) {
+ __asm__ __volatile__(
+ "move\t$4, %1\n\t"
+ "move\t$5, %2\n\t"
+ "move\t$6, %3\n\t"
+ __MODULE_JAL(__strncpy_from_kernel_nocheck_asm)
+ "move\t%0, $2"
+ : "=r" (res)
+ : "r" (__to), "r" (__from), "r" (__len)
+ : "$2", "$3", "$4", "$5", "$6", __UA_t0, "$31", "memory");
+ } else {
+ might_fault();
+ __asm__ __volatile__(
+ "move\t$4, %1\n\t"
+ "move\t$5, %2\n\t"
+ "move\t$6, %3\n\t"
+ __MODULE_JAL(__strncpy_from_user_nocheck_asm)
+ "move\t%0, $2"
+ : "=r" (res)
+ : "r" (__to), "r" (__from), "r" (__len)
+ : "$2", "$3", "$4", "$5", "$6", __UA_t0, "$31", "memory");
+ }
return res;
}
@@ -1044,16 +1295,28 @@
{
long res;
- might_fault();
- __asm__ __volatile__(
- "move\t$4, %1\n\t"
- "move\t$5, %2\n\t"
- "move\t$6, %3\n\t"
- __MODULE_JAL(__strncpy_from_user_asm)
- "move\t%0, $2"
- : "=r" (res)
- : "r" (__to), "r" (__from), "r" (__len)
- : "$2", "$3", "$4", "$5", "$6", __UA_t0, "$31", "memory");
+ if (segment_eq(get_fs(), get_ds())) {
+ __asm__ __volatile__(
+ "move\t$4, %1\n\t"
+ "move\t$5, %2\n\t"
+ "move\t$6, %3\n\t"
+ __MODULE_JAL(__strncpy_from_kernel_asm)
+ "move\t%0, $2"
+ : "=r" (res)
+ : "r" (__to), "r" (__from), "r" (__len)
+ : "$2", "$3", "$4", "$5", "$6", __UA_t0, "$31", "memory");
+ } else {
+ might_fault();
+ __asm__ __volatile__(
+ "move\t$4, %1\n\t"
+ "move\t$5, %2\n\t"
+ "move\t$6, %3\n\t"
+ __MODULE_JAL(__strncpy_from_user_asm)
+ "move\t%0, $2"
+ : "=r" (res)
+ : "r" (__to), "r" (__from), "r" (__len)
+ : "$2", "$3", "$4", "$5", "$6", __UA_t0, "$31", "memory");
+ }
return res;
}
@@ -1063,14 +1326,24 @@
{
long res;
- might_fault();
- __asm__ __volatile__(
- "move\t$4, %1\n\t"
- __MODULE_JAL(__strlen_user_nocheck_asm)
- "move\t%0, $2"
- : "=r" (res)
- : "r" (s)
- : "$2", "$4", __UA_t0, "$31");
+ if (segment_eq(get_fs(), get_ds())) {
+ __asm__ __volatile__(
+ "move\t$4, %1\n\t"
+ __MODULE_JAL(__strlen_kernel_nocheck_asm)
+ "move\t%0, $2"
+ : "=r" (res)
+ : "r" (s)
+ : "$2", "$4", __UA_t0, "$31");
+ } else {
+ might_fault();
+ __asm__ __volatile__(
+ "move\t$4, %1\n\t"
+ __MODULE_JAL(__strlen_user_nocheck_asm)
+ "move\t%0, $2"
+ : "=r" (res)
+ : "r" (s)
+ : "$2", "$4", __UA_t0, "$31");
+ }
return res;
}
@@ -1093,14 +1366,24 @@
{
long res;
- might_fault();
- __asm__ __volatile__(
- "move\t$4, %1\n\t"
- __MODULE_JAL(__strlen_user_asm)
- "move\t%0, $2"
- : "=r" (res)
- : "r" (s)
- : "$2", "$4", __UA_t0, "$31");
+ if (segment_eq(get_fs(), get_ds())) {
+ __asm__ __volatile__(
+ "move\t$4, %1\n\t"
+ __MODULE_JAL(__strlen_kernel_asm)
+ "move\t%0, $2"
+ : "=r" (res)
+ : "r" (s)
+ : "$2", "$4", __UA_t0, "$31");
+ } else {
+ might_fault();
+ __asm__ __volatile__(
+ "move\t$4, %1\n\t"
+ __MODULE_JAL(__strlen_kernel_asm)
+ "move\t%0, $2"
+ : "=r" (res)
+ : "r" (s)
+ : "$2", "$4", __UA_t0, "$31");
+ }
return res;
}
@@ -1110,15 +1393,26 @@
{
long res;
- might_fault();
- __asm__ __volatile__(
- "move\t$4, %1\n\t"
- "move\t$5, %2\n\t"
- __MODULE_JAL(__strnlen_user_nocheck_asm)
- "move\t%0, $2"
- : "=r" (res)
- : "r" (s), "r" (n)
- : "$2", "$4", "$5", __UA_t0, "$31");
+ if (segment_eq(get_fs(), get_ds())) {
+ __asm__ __volatile__(
+ "move\t$4, %1\n\t"
+ "move\t$5, %2\n\t"
+ __MODULE_JAL(__strnlen_kernel_nocheck_asm)
+ "move\t%0, $2"
+ : "=r" (res)
+ : "r" (s), "r" (n)
+ : "$2", "$4", "$5", __UA_t0, "$31");
+ } else {
+ might_fault();
+ __asm__ __volatile__(
+ "move\t$4, %1\n\t"
+ "move\t$5, %2\n\t"
+ __MODULE_JAL(__strnlen_user_nocheck_asm)
+ "move\t%0, $2"
+ : "=r" (res)
+ : "r" (s), "r" (n)
+ : "$2", "$4", "$5", __UA_t0, "$31");
+ }
return res;
}
@@ -1142,14 +1436,25 @@
long res;
might_fault();
- __asm__ __volatile__(
- "move\t$4, %1\n\t"
- "move\t$5, %2\n\t"
- __MODULE_JAL(__strnlen_user_asm)
- "move\t%0, $2"
- : "=r" (res)
- : "r" (s), "r" (n)
- : "$2", "$4", "$5", __UA_t0, "$31");
+ if (segment_eq(get_fs(), get_ds())) {
+ __asm__ __volatile__(
+ "move\t$4, %1\n\t"
+ "move\t$5, %2\n\t"
+ __MODULE_JAL(__strnlen_kernel_asm)
+ "move\t%0, $2"
+ : "=r" (res)
+ : "r" (s), "r" (n)
+ : "$2", "$4", "$5", __UA_t0, "$31");
+ } else {
+ __asm__ __volatile__(
+ "move\t$4, %1\n\t"
+ "move\t$5, %2\n\t"
+ __MODULE_JAL(__strnlen_user_asm)
+ "move\t%0, $2"
+ : "=r" (res)
+ : "r" (s), "r" (n)
+ : "$2", "$4", "$5", __UA_t0, "$31");
+ }
return res;
}
diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h
index f25181b..df6e775 100644
--- a/arch/mips/include/uapi/asm/inst.h
+++ b/arch/mips/include/uapi/asm/inst.h
@@ -8,6 +8,7 @@
* Copyright (C) 1996, 2000 by Ralf Baechle
* Copyright (C) 2006 by Thiemo Seufer
* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
+ * Copyright (C) 2014 Imagination Technologies Ltd.
*/
#ifndef _UAPI_ASM_INST_H
#define _UAPI_ASM_INST_H
@@ -73,10 +74,16 @@
enum spec3_op {
ext_op, dextm_op, dextu_op, dext_op,
ins_op, dinsm_op, dinsu_op, dins_op,
- lx_op = 0x0a,
- bshfl_op = 0x20,
- dbshfl_op = 0x24,
- rdhwr_op = 0x3b
+ lx_op = 0x0a, lwle_op = 0x19,
+ lwre_op = 0x1a, cachee_op = 0x1b,
+ sbe_op = 0x1c, she_op = 0x1d,
+ sce_op = 0x1e, swe_op = 0x1f,
+ bshfl_op = 0x20, swle_op = 0x21,
+ swre_op = 0x22, prefe_op = 0x23,
+ dbshfl_op = 0x24, lbue_op = 0x28,
+ lhue_op = 0x29, lbe_op = 0x2c,
+ lhe_op = 0x2d, lle_op = 0x2e,
+ lwe_op = 0x2f, rdhwr_op = 0x3b
};
/*
@@ -592,6 +599,15 @@
;)))))))
};
+struct spec3_format { /* SPEC3 */
+ BITFIELD_FIELD(unsigned int opcode:6,
+ BITFIELD_FIELD(unsigned int rs:5,
+ BITFIELD_FIELD(unsigned int rt:5,
+ BITFIELD_FIELD(signed int simmediate:9,
+ BITFIELD_FIELD(unsigned int func:7,
+ ;)))))
+};
+
/*
* microMIPS instruction formats (32-bit length)
*
@@ -863,6 +879,7 @@
struct b_format b_format;
struct ps_format ps_format;
struct v_format v_format;
+ struct spec3_format spec3_format;
struct fb_format fb_format;
struct fp0_format fp0_format;
struct mm_fp0_format mm_fp0_format;
diff --git a/arch/mips/include/uapi/asm/sigcontext.h b/arch/mips/include/uapi/asm/sigcontext.h
index 6c9906f..681c176 100644
--- a/arch/mips/include/uapi/asm/sigcontext.h
+++ b/arch/mips/include/uapi/asm/sigcontext.h
@@ -12,6 +12,10 @@
#include <linux/types.h>
#include <asm/sgidefs.h>
+/* Bits which may be set in sc_used_math */
+#define USEDMATH_FP (1 << 0)
+#define USEDMATH_MSA (1 << 1)
+
#if _MIPS_SIM == _MIPS_SIM_ABI32
/*
@@ -37,6 +41,8 @@
unsigned long sc_lo2;
unsigned long sc_hi3;
unsigned long sc_lo3;
+ unsigned long long sc_msaregs[32]; /* Most significant 64 bits */
+ unsigned long sc_msa_csr;
};
#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
@@ -70,6 +76,8 @@
__u32 sc_used_math;
__u32 sc_dsp;
__u32 sc_reserved;
+ __u64 sc_msaregs[32];
+ __u32 sc_msa_csr;
};
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 26c6175..277dab3 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -53,6 +53,8 @@
obj-$(CONFIG_MIPS_MT_SMTC) += smtc.o smtc-asm.o smtc-proc.o
obj-$(CONFIG_MIPS_MT_SMP) += smp-mt.o
obj-$(CONFIG_MIPS_CMP) += smp-cmp.o
+obj-$(CONFIG_MIPS_CPS) += smp-cps.o cps-vec.o
+obj-$(CONFIG_MIPS_GIC_IPI) += smp-gic.o
obj-$(CONFIG_CPU_MIPSR2) += spram.o
obj-$(CONFIG_MIPS_VPE_LOADER) += vpe.o
@@ -102,6 +104,9 @@
obj-$(CONFIG_JUMP_LABEL) += jump_label.o
+obj-$(CONFIG_MIPS_CM) += mips-cm.o
+obj-$(CONFIG_MIPS_CPC) += mips-cpc.o
+
#
# DSP ASE supported for MIPS32 or MIPS64 Release 2 cores only. It is not
# safe to unconditionnaly use the assembler -mdsp / -mdspr2 switches
diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c
index 0c2e853..0ea75c2 100644
--- a/arch/mips/kernel/asm-offsets.c
+++ b/arch/mips/kernel/asm-offsets.c
@@ -16,6 +16,7 @@
#include <linux/suspend.h>
#include <asm/ptrace.h>
#include <asm/processor.h>
+#include <asm/smp-cps.h>
#include <linux/kvm_host.h>
@@ -168,6 +169,72 @@
OFFSET(THREAD_FPR30, task_struct, thread.fpu.fpr[30]);
OFFSET(THREAD_FPR31, task_struct, thread.fpu.fpr[31]);
+ /* the least significant 64 bits of each FP register */
+ OFFSET(THREAD_FPR0_LS64, task_struct,
+ thread.fpu.fpr[0].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR1_LS64, task_struct,
+ thread.fpu.fpr[1].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR2_LS64, task_struct,
+ thread.fpu.fpr[2].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR3_LS64, task_struct,
+ thread.fpu.fpr[3].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR4_LS64, task_struct,
+ thread.fpu.fpr[4].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR5_LS64, task_struct,
+ thread.fpu.fpr[5].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR6_LS64, task_struct,
+ thread.fpu.fpr[6].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR7_LS64, task_struct,
+ thread.fpu.fpr[7].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR8_LS64, task_struct,
+ thread.fpu.fpr[8].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR9_LS64, task_struct,
+ thread.fpu.fpr[9].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR10_LS64, task_struct,
+ thread.fpu.fpr[10].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR11_LS64, task_struct,
+ thread.fpu.fpr[11].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR12_LS64, task_struct,
+ thread.fpu.fpr[12].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR13_LS64, task_struct,
+ thread.fpu.fpr[13].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR14_LS64, task_struct,
+ thread.fpu.fpr[14].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR15_LS64, task_struct,
+ thread.fpu.fpr[15].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR16_LS64, task_struct,
+ thread.fpu.fpr[16].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR17_LS64, task_struct,
+ thread.fpu.fpr[17].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR18_LS64, task_struct,
+ thread.fpu.fpr[18].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR19_LS64, task_struct,
+ thread.fpu.fpr[19].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR20_LS64, task_struct,
+ thread.fpu.fpr[20].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR21_LS64, task_struct,
+ thread.fpu.fpr[21].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR22_LS64, task_struct,
+ thread.fpu.fpr[22].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR23_LS64, task_struct,
+ thread.fpu.fpr[23].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR24_LS64, task_struct,
+ thread.fpu.fpr[24].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR25_LS64, task_struct,
+ thread.fpu.fpr[25].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR26_LS64, task_struct,
+ thread.fpu.fpr[26].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR27_LS64, task_struct,
+ thread.fpu.fpr[27].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR28_LS64, task_struct,
+ thread.fpu.fpr[28].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR29_LS64, task_struct,
+ thread.fpu.fpr[29].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR30_LS64, task_struct,
+ thread.fpu.fpr[30].val64[FPR_IDX(64, 0)]);
+ OFFSET(THREAD_FPR31_LS64, task_struct,
+ thread.fpu.fpr[31].val64[FPR_IDX(64, 0)]);
+
OFFSET(THREAD_FCR31, task_struct, thread.fpu.fcr31);
BLANK();
}
@@ -228,6 +295,7 @@
OFFSET(SC_LO2, sigcontext, sc_lo2);
OFFSET(SC_HI3, sigcontext, sc_hi3);
OFFSET(SC_LO3, sigcontext, sc_lo3);
+ OFFSET(SC_MSAREGS, sigcontext, sc_msaregs);
BLANK();
}
#endif
@@ -242,6 +310,7 @@
OFFSET(SC_MDLO, sigcontext, sc_mdlo);
OFFSET(SC_PC, sigcontext, sc_pc);
OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr);
+ OFFSET(SC_MSAREGS, sigcontext, sc_msaregs);
BLANK();
}
#endif
@@ -253,6 +322,7 @@
OFFSET(SC32_FPREGS, sigcontext32, sc_fpregs);
OFFSET(SC32_FPC_CSR, sigcontext32, sc_fpc_csr);
OFFSET(SC32_FPC_EIR, sigcontext32, sc_fpc_eir);
+ OFFSET(SC32_MSAREGS, sigcontext32, sc_msaregs);
BLANK();
}
#endif
@@ -397,3 +467,15 @@
OFFSET(COP0_STATUS, mips_coproc, reg[MIPS_CP0_STATUS][0]);
BLANK();
}
+
+#ifdef CONFIG_MIPS_CPS
+void output_cps_defines(void)
+{
+ COMMENT(" MIPS CPS offsets. ");
+ OFFSET(BOOTCFG_CORE, boot_config, core);
+ OFFSET(BOOTCFG_VPE, boot_config, vpe);
+ OFFSET(BOOTCFG_PC, boot_config, pc);
+ OFFSET(BOOTCFG_SP, boot_config, sp);
+ OFFSET(BOOTCFG_GP, boot_config, gp);
+}
+#endif
diff --git a/arch/mips/kernel/bmips_vec.S b/arch/mips/kernel/bmips_vec.S
index a5bf73d..290c23b 100644
--- a/arch/mips/kernel/bmips_vec.S
+++ b/arch/mips/kernel/bmips_vec.S
@@ -122,7 +122,7 @@
jr k0
RESTORE_ALL
- .set mips3
+ .set arch=r4000
eret
/***********************************************************************
diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S
new file mode 100644
index 0000000..f7a46db
--- /dev/null
+++ b/arch/mips/kernel/cps-vec.S
@@ -0,0 +1,191 @@
+/*
+ * Copyright (C) 2013 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <asm/addrspace.h>
+#include <asm/asm.h>
+#include <asm/asm-offsets.h>
+#include <asm/asmmacro.h>
+#include <asm/cacheops.h>
+#include <asm/mipsregs.h>
+
+#define GCR_CL_COHERENCE_OFS 0x2008
+
+.section .text.cps-vec
+.balign 0x1000
+.set noreorder
+
+LEAF(mips_cps_core_entry)
+ /*
+ * These first 8 bytes will be patched by cps_smp_setup to load the
+ * base address of the CM GCRs into register v1.
+ */
+ .quad 0
+
+ /* Check whether we're here due to an NMI */
+ mfc0 k0, CP0_STATUS
+ and k0, k0, ST0_NMI
+ beqz k0, not_nmi
+ nop
+
+ /* This is an NMI */
+ la k0, nmi_handler
+ jr k0
+ nop
+
+not_nmi:
+ /* Setup Cause */
+ li t0, CAUSEF_IV
+ mtc0 t0, CP0_CAUSE
+
+ /* Setup Status */
+ li t0, ST0_CU1 | ST0_CU0
+ mtc0 t0, CP0_STATUS
+
+ /*
+ * Clear the bits used to index the caches. Note that the architecture
+ * dictates that writing to any of TagLo or TagHi selects 0 or 2 should
+ * be valid for all MIPS32 CPUs, even those for which said writes are
+ * unnecessary.
+ */
+ mtc0 zero, CP0_TAGLO, 0
+ mtc0 zero, CP0_TAGHI, 0
+ mtc0 zero, CP0_TAGLO, 2
+ mtc0 zero, CP0_TAGHI, 2
+ ehb
+
+ /* Primary cache configuration is indicated by Config1 */
+ mfc0 v0, CP0_CONFIG, 1
+
+ /* Detect I-cache line size */
+ _EXT t0, v0, MIPS_CONF1_IL_SHF, MIPS_CONF1_IL_SZ
+ beqz t0, icache_done
+ li t1, 2
+ sllv t0, t1, t0
+
+ /* Detect I-cache size */
+ _EXT t1, v0, MIPS_CONF1_IS_SHF, MIPS_CONF1_IS_SZ
+ xori t2, t1, 0x7
+ beqz t2, 1f
+ li t3, 32
+ addi t1, t1, 1
+ sllv t1, t3, t1
+1: /* At this point t1 == I-cache sets per way */
+ _EXT t2, v0, MIPS_CONF1_IA_SHF, MIPS_CONF1_IA_SZ
+ addi t2, t2, 1
+ mul t1, t1, t0
+ mul t1, t1, t2
+
+ li a0, KSEG0
+ add a1, a0, t1
+1: cache Index_Store_Tag_I, 0(a0)
+ add a0, a0, t0
+ bne a0, a1, 1b
+ nop
+icache_done:
+
+ /* Detect D-cache line size */
+ _EXT t0, v0, MIPS_CONF1_DL_SHF, MIPS_CONF1_DL_SZ
+ beqz t0, dcache_done
+ li t1, 2
+ sllv t0, t1, t0
+
+ /* Detect D-cache size */
+ _EXT t1, v0, MIPS_CONF1_DS_SHF, MIPS_CONF1_DS_SZ
+ xori t2, t1, 0x7
+ beqz t2, 1f
+ li t3, 32
+ addi t1, t1, 1
+ sllv t1, t3, t1
+1: /* At this point t1 == D-cache sets per way */
+ _EXT t2, v0, MIPS_CONF1_DA_SHF, MIPS_CONF1_DA_SZ
+ addi t2, t2, 1
+ mul t1, t1, t0
+ mul t1, t1, t2
+
+ li a0, KSEG0
+ addu a1, a0, t1
+ subu a1, a1, t0
+1: cache Index_Store_Tag_D, 0(a0)
+ bne a0, a1, 1b
+ add a0, a0, t0
+dcache_done:
+
+ /* Set Kseg0 cacheable, coherent, write-back, write-allocate */
+ mfc0 t0, CP0_CONFIG
+ ori t0, 0x7
+ xori t0, 0x2
+ mtc0 t0, CP0_CONFIG
+ ehb
+
+ /* Enter the coherent domain */
+ li t0, 0xff
+ sw t0, GCR_CL_COHERENCE_OFS(v1)
+ ehb
+
+ /* Jump to kseg0 */
+ la t0, 1f
+ jr t0
+ nop
+
+1: /* We're up, cached & coherent */
+
+ /*
+ * TODO: We should check the VPE number we intended to boot here, and
+ * if non-zero we should start that VPE and stop this one. For
+ * the moment this doesn't matter since CPUs are brought up
+ * sequentially and in order, but once hotplug is implemented
+ * this will need revisiting.
+ */
+
+ /* Off we go! */
+ la t0, mips_cps_bootcfg
+ lw t1, BOOTCFG_PC(t0)
+ lw gp, BOOTCFG_GP(t0)
+ lw sp, BOOTCFG_SP(t0)
+ jr t1
+ nop
+ END(mips_cps_core_entry)
+
+.org 0x200
+LEAF(excep_tlbfill)
+ b .
+ nop
+ END(excep_tlbfill)
+
+.org 0x280
+LEAF(excep_xtlbfill)
+ b .
+ nop
+ END(excep_xtlbfill)
+
+.org 0x300
+LEAF(excep_cache)
+ b .
+ nop
+ END(excep_cache)
+
+.org 0x380
+LEAF(excep_genex)
+ b .
+ nop
+ END(excep_genex)
+
+.org 0x400
+LEAF(excep_intex)
+ b .
+ nop
+ END(excep_intex)
+
+.org 0x480
+LEAF(excep_ejtag)
+ la k0, ejtag_debug_handler
+ jr k0
+ nop
+ END(excep_ejtag)
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 530f832..6e8fb85 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -23,6 +23,8 @@
#include <asm/cpu-type.h>
#include <asm/fpu.h>
#include <asm/mipsregs.h>
+#include <asm/mipsmtregs.h>
+#include <asm/msa.h>
#include <asm/watch.h>
#include <asm/elf.h>
#include <asm/spram.h>
@@ -126,6 +128,20 @@
return ((cpu_get_fpu_id() & FPIR_IMP_MASK) != FPIR_IMP_NONE);
}
+static inline unsigned long cpu_get_msa_id(void)
+{
+ unsigned long status, conf5, msa_id;
+
+ status = read_c0_status();
+ __enable_fpu(FPU_64BIT);
+ conf5 = read_c0_config5();
+ enable_msa();
+ msa_id = read_msa_ir();
+ write_c0_config5(conf5);
+ write_c0_status(status);
+ return msa_id;
+}
+
static inline void cpu_probe_vmbits(struct cpuinfo_mips *c)
{
#ifdef __NEED_VMBITS_PROBE
@@ -166,11 +182,12 @@
static void set_ftlb_enable(struct cpuinfo_mips *c, int enable)
{
unsigned int config6;
- /*
- * Config6 is implementation dependent and it's currently only
- * used by proAptiv
- */
- if (c->cputype == CPU_PROAPTIV) {
+
+ /* It's implementation dependent how the FTLB can be enabled */
+ switch (c->cputype) {
+ case CPU_PROAPTIV:
+ case CPU_P5600:
+ /* proAptiv & related cores use Config6 to enable the FTLB */
config6 = read_c0_config6();
if (enable)
/* Enable FTLB */
@@ -179,6 +196,7 @@
/* Disable FTLB */
write_c0_config6(config6 & ~MIPS_CONF6_FTLBEN);
back_to_back_c0_hazard();
+ break;
}
}
@@ -301,6 +319,8 @@
c->ases |= MIPS_ASE_VZ;
if (config3 & MIPS_CONF3_SC)
c->options |= MIPS_CPU_SEGMENTS;
+ if (config3 & MIPS_CONF3_MSA)
+ c->ases |= MIPS_ASE_MSA;
return config3 & MIPS_CONF_M;
}
@@ -367,6 +387,9 @@
config5 &= ~MIPS_CONF5_UFR;
write_c0_config5(config5);
+ if (config5 & MIPS_CONF5_EVA)
+ c->options |= MIPS_CPU_EVA;
+
return config5 & MIPS_CONF_M;
}
@@ -398,8 +421,13 @@
mips_probe_watch_registers(c);
- if (cpu_has_mips_r2)
+#ifndef CONFIG_MIPS_CPS
+ if (cpu_has_mips_r2) {
c->core = read_c0_ebase() & 0x3ff;
+ if (cpu_has_mipsmt)
+ c->core >>= fls(core_nvpes()) - 1;
+ }
+#endif
}
#define R4K_OPTS (MIPS_CPU_TLB | MIPS_CPU_4KEX | MIPS_CPU_4K_CACHE \
@@ -710,17 +738,23 @@
MIPS_CPU_LLSC;
c->tlbsize = 64;
break;
- case PRID_IMP_LOONGSON2:
- c->cputype = CPU_LOONGSON2;
- __cpu_name[cpu] = "ICT Loongson-2";
-
+ case PRID_IMP_LOONGSON_64: /* Loongson-2/3 */
switch (c->processor_id & PRID_REV_MASK) {
case PRID_REV_LOONGSON2E:
+ c->cputype = CPU_LOONGSON2;
+ __cpu_name[cpu] = "ICT Loongson-2";
set_elf_platform(cpu, "loongson2e");
break;
case PRID_REV_LOONGSON2F:
+ c->cputype = CPU_LOONGSON2;
+ __cpu_name[cpu] = "ICT Loongson-2";
set_elf_platform(cpu, "loongson2f");
break;
+ case PRID_REV_LOONGSON3A:
+ c->cputype = CPU_LOONGSON3;
+ __cpu_name[cpu] = "ICT Loongson-3";
+ set_elf_platform(cpu, "loongson3a");
+ break;
}
set_isa(c, MIPS_CPU_ISA_III);
@@ -729,7 +763,7 @@
MIPS_CPU_32FPR;
c->tlbsize = 64;
break;
- case PRID_IMP_LOONGSON1:
+ case PRID_IMP_LOONGSON_32: /* Loongson-1 */
decode_configs(c);
c->cputype = CPU_LOONGSON1;
@@ -806,7 +840,7 @@
__cpu_name[cpu] = "MIPS 1004Kc";
break;
case PRID_IMP_1074K:
- c->cputype = CPU_74K;
+ c->cputype = CPU_1074K;
__cpu_name[cpu] = "MIPS 1074Kc";
break;
case PRID_IMP_INTERAPTIV_UP:
@@ -825,6 +859,14 @@
c->cputype = CPU_PROAPTIV;
__cpu_name[cpu] = "MIPS proAptiv (multi)";
break;
+ case PRID_IMP_P5600:
+ c->cputype = CPU_P5600;
+ __cpu_name[cpu] = "MIPS P5600";
+ break;
+ case PRID_IMP_M5150:
+ c->cputype = CPU_M5150;
+ __cpu_name[cpu] = "MIPS M5150";
+ break;
}
decode_configs(c);
@@ -1176,6 +1218,12 @@
else
c->srsets = 1;
+ if (cpu_has_msa) {
+ c->msa_id = cpu_get_msa_id();
+ WARN(c->msa_id & MSA_IR_WRPF,
+ "Vector register partitioning unimplemented!");
+ }
+
cpu_probe_vmbits(c);
#ifdef CONFIG_64BIT
@@ -1192,4 +1240,6 @@
smp_processor_id(), c->processor_id, cpu_name_string());
if (c->options & MIPS_CPU_FPU)
printk(KERN_INFO "FPU revision is: %08x\n", c->fpu_id);
+ if (cpu_has_msa)
+ pr_info("MSA revision is: %08x\n", c->msa_id);
}
diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c
index 374ed74..74fe735 100644
--- a/arch/mips/kernel/ftrace.c
+++ b/arch/mips/kernel/ftrace.c
@@ -90,6 +90,7 @@
static int ftrace_modify_code(unsigned long ip, unsigned int new_code)
{
int faulted;
+ mm_segment_t old_fs;
/* *(unsigned int *)ip = new_code; */
safe_store_code(new_code, ip, faulted);
@@ -97,7 +98,10 @@
if (unlikely(faulted))
return -EFAULT;
+ old_fs = get_fs();
+ set_fs(get_ds());
flush_icache_range(ip, ip + 8);
+ set_fs(old_fs);
return 0;
}
diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index d84f6a5..a9ce340 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -67,7 +67,7 @@
*/
NESTED(except_vec3_r4000, 0, sp)
.set push
- .set mips3
+ .set arch=r4000
.set noat
mfc0 k1, CP0_CAUSE
li k0, 31<<2
@@ -139,7 +139,7 @@
nop
nop
#endif
- .set mips3
+ .set arch=r4000
wait
/* end of rollback region (the region size must be power of two) */
1:
@@ -475,8 +475,10 @@
BUILD_HANDLER cpu cpu sti silent /* #11 */
BUILD_HANDLER ov ov sti silent /* #12 */
BUILD_HANDLER tr tr sti silent /* #13 */
+ BUILD_HANDLER msa_fpe msa_fpe sti silent /* #14 */
BUILD_HANDLER fpe fpe fpe silent /* #15 */
BUILD_HANDLER ftlb ftlb none silent /* #16 */
+ BUILD_HANDLER msa msa sti silent /* #21 */
BUILD_HANDLER mdmx mdmx sti silent /* #22 */
#ifdef CONFIG_HARDWARE_WATCHPOINTS
/*
@@ -575,7 +577,7 @@
ori k1, _THREAD_MASK
xori k1, _THREAD_MASK
LONG_L v1, TI_TP_VALUE(k1)
- .set mips3
+ .set arch=r4000
eret
.set mips0
#endif
diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S
index 7b6a5b3..e712dcf 100644
--- a/arch/mips/kernel/head.S
+++ b/arch/mips/kernel/head.S
@@ -175,8 +175,8 @@
DMT 10 # dmt t2 /* t0, t1 are used by CLI and setup_c0_status() */
jal mips_ihb
#endif /* CONFIG_MIPS_MT_SMTC */
- setup_c0_status_sec
smp_slave_setup
+ setup_c0_status_sec
#ifdef CONFIG_MIPS_MT_SMTC
andi t2, t2, VPECONTROL_TE
beqz t2, 2f
diff --git a/arch/mips/kernel/idle.c b/arch/mips/kernel/idle.c
index 3553243..837ff27 100644
--- a/arch/mips/kernel/idle.c
+++ b/arch/mips/kernel/idle.c
@@ -64,7 +64,7 @@
if (!need_resched())
__asm__(
" .set push \n"
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" wait \n"
" .set pop \n");
local_irq_enable();
@@ -82,7 +82,7 @@
if (!need_resched())
__asm__(
" .set push \n"
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" .set noat \n"
" mfc0 $1, $12 \n"
" sync \n"
@@ -103,7 +103,7 @@
unsigned long c0status = read_c0_status() | 1; /* irqs on */
__asm__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" cache 0x14, 0(%0) \n"
" cache 0x14, 32(%0) \n"
" sync \n"
@@ -184,8 +184,11 @@
case CPU_24K:
case CPU_34K:
case CPU_1004K:
+ case CPU_1074K:
case CPU_INTERAPTIV:
case CPU_PROAPTIV:
+ case CPU_P5600:
+ case CPU_M5150:
cpu_wait = r4k_wait;
if (read_c0_config7() & MIPS_CONF7_WII)
cpu_wait = r4k_wait_irqoff;
diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c
index 5b5ddb2..8520dad 100644
--- a/arch/mips/kernel/irq-gic.c
+++ b/arch/mips/kernel/irq-gic.c
@@ -16,7 +16,6 @@
#include <asm/gic.h>
#include <asm/setup.h>
#include <asm/traps.h>
-#include <asm/gcmpregs.h>
#include <linux/hardirq.h>
#include <asm-generic/bitops/find.h>
diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c
index fcaac2f..7afcc2f 100644
--- a/arch/mips/kernel/kgdb.c
+++ b/arch/mips/kernel/kgdb.c
@@ -32,6 +32,7 @@
#include <asm/cacheflush.h>
#include <asm/processor.h>
#include <asm/sigcontext.h>
+#include <asm/uaccess.h>
static struct hard_trap_info {
unsigned char tt; /* Trap type code for MIPS R3xxx and R4xxx */
@@ -208,7 +209,14 @@
static void kgdb_call_nmi_hook(void *ignored)
{
+ mm_segment_t old_fs;
+
+ old_fs = get_fs();
+ set_fs(get_ds());
+
kgdb_nmicallback(raw_smp_processor_id(), NULL);
+
+ set_fs(old_fs);
}
void kgdb_roundup_cpus(unsigned long flags)
@@ -282,6 +290,7 @@
struct die_args *args = (struct die_args *)ptr;
struct pt_regs *regs = args->regs;
int trap = (regs->cp0_cause & 0x7c) >> 2;
+ mm_segment_t old_fs;
#ifdef CONFIG_KPROBES
/*
@@ -296,11 +305,17 @@
if (user_mode(regs))
return NOTIFY_DONE;
+ /* Kernel mode. Set correct address limit */
+ old_fs = get_fs();
+ set_fs(get_ds());
+
if (atomic_read(&kgdb_active) != -1)
kgdb_nmicallback(smp_processor_id(), regs);
- if (kgdb_handle_exception(trap, compute_signal(trap), cmd, regs))
+ if (kgdb_handle_exception(trap, compute_signal(trap), cmd, regs)) {
+ set_fs(old_fs);
return NOTIFY_DONE;
+ }
if (atomic_read(&kgdb_setting_breakpoint))
if ((trap == 9) && (regs->cp0_epc == (unsigned long)breakinst))
@@ -310,6 +325,7 @@
local_irq_enable();
__flush_cache_all();
+ set_fs(old_fs);
return NOTIFY_STOP;
}
diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c
new file mode 100644
index 0000000..f76f7a0
--- /dev/null
+++ b/arch/mips/kernel/mips-cm.c
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2013 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/errno.h>
+
+#include <asm/mips-cm.h>
+#include <asm/mipsregs.h>
+
+void __iomem *mips_cm_base;
+void __iomem *mips_cm_l2sync_base;
+
+phys_t __mips_cm_phys_base(void)
+{
+ u32 config3 = read_c0_config3();
+ u32 cmgcr;
+
+ /* Check the CMGCRBase register is implemented */
+ if (!(config3 & MIPS_CONF3_CMGCR))
+ return 0;
+
+ /* Read the address from CMGCRBase */
+ cmgcr = read_c0_cmgcrbase();
+ return (cmgcr & MIPS_CMGCRF_BASE) << (36 - 32);
+}
+
+phys_t mips_cm_phys_base(void)
+ __attribute__((weak, alias("__mips_cm_phys_base")));
+
+phys_t __mips_cm_l2sync_phys_base(void)
+{
+ u32 base_reg;
+
+ /*
+ * If the L2-only sync region is already enabled then leave it at it's
+ * current location.
+ */
+ base_reg = read_gcr_l2_only_sync_base();
+ if (base_reg & CM_GCR_L2_ONLY_SYNC_BASE_SYNCEN_MSK)
+ return base_reg & CM_GCR_L2_ONLY_SYNC_BASE_SYNCBASE_MSK;
+
+ /* Default to following the CM */
+ return mips_cm_phys_base() + MIPS_CM_GCR_SIZE;
+}
+
+phys_t mips_cm_l2sync_phys_base(void)
+ __attribute__((weak, alias("__mips_cm_l2sync_phys_base")));
+
+static void mips_cm_probe_l2sync(void)
+{
+ unsigned major_rev;
+ phys_t addr;
+
+ /* L2-only sync was introduced with CM major revision 6 */
+ major_rev = (read_gcr_rev() & CM_GCR_REV_MAJOR_MSK) >>
+ CM_GCR_REV_MAJOR_SHF;
+ if (major_rev < 6)
+ return;
+
+ /* Find a location for the L2 sync region */
+ addr = mips_cm_l2sync_phys_base();
+ BUG_ON((addr & CM_GCR_L2_ONLY_SYNC_BASE_SYNCBASE_MSK) != addr);
+ if (!addr)
+ return;
+
+ /* Set the region base address & enable it */
+ write_gcr_l2_only_sync_base(addr | CM_GCR_L2_ONLY_SYNC_BASE_SYNCEN_MSK);
+
+ /* Map the region */
+ mips_cm_l2sync_base = ioremap_nocache(addr, MIPS_CM_L2SYNC_SIZE);
+}
+
+int mips_cm_probe(void)
+{
+ phys_t addr;
+ u32 base_reg;
+
+ addr = mips_cm_phys_base();
+ BUG_ON((addr & CM_GCR_BASE_GCRBASE_MSK) != addr);
+ if (!addr)
+ return -ENODEV;
+
+ mips_cm_base = ioremap_nocache(addr, MIPS_CM_GCR_SIZE);
+ if (!mips_cm_base)
+ return -ENXIO;
+
+ /* sanity check that we're looking at a CM */
+ base_reg = read_gcr_base();
+ if ((base_reg & CM_GCR_BASE_GCRBASE_MSK) != addr) {
+ pr_err("GCRs appear to have been moved (expected them at 0x%08lx)!\n",
+ (unsigned long)addr);
+ mips_cm_base = NULL;
+ return -ENODEV;
+ }
+
+ /* set default target to memory */
+ base_reg &= ~CM_GCR_BASE_CMDEFTGT_MSK;
+ base_reg |= CM_GCR_BASE_CMDEFTGT_MEM;
+ write_gcr_base(base_reg);
+
+ /* disable CM regions */
+ write_gcr_reg0_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
+ write_gcr_reg0_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
+ write_gcr_reg1_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
+ write_gcr_reg1_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
+ write_gcr_reg2_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
+ write_gcr_reg2_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
+ write_gcr_reg3_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
+ write_gcr_reg3_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
+
+ /* probe for an L2-only sync region */
+ mips_cm_probe_l2sync();
+
+ return 0;
+}
diff --git a/arch/mips/kernel/mips-cpc.c b/arch/mips/kernel/mips-cpc.c
new file mode 100644
index 0000000..c9dc674
--- /dev/null
+++ b/arch/mips/kernel/mips-cpc.c
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2013 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/errno.h>
+
+#include <asm/mips-cm.h>
+#include <asm/mips-cpc.h>
+
+void __iomem *mips_cpc_base;
+
+phys_t __weak mips_cpc_phys_base(void)
+{
+ u32 cpc_base;
+
+ if (!mips_cm_present())
+ return 0;
+
+ if (!(read_gcr_cpc_status() & CM_GCR_CPC_STATUS_EX_MSK))
+ return 0;
+
+ /* If the CPC is already enabled, leave it so */
+ cpc_base = read_gcr_cpc_base();
+ if (cpc_base & CM_GCR_CPC_BASE_CPCEN_MSK)
+ return cpc_base & CM_GCR_CPC_BASE_CPCBASE_MSK;
+
+ /* Otherwise, give it the default address & enable it */
+ cpc_base = mips_cpc_default_phys_base();
+ write_gcr_cpc_base(cpc_base | CM_GCR_CPC_BASE_CPCEN_MSK);
+ return cpc_base;
+}
+
+int mips_cpc_probe(void)
+{
+ phys_t addr;
+
+ addr = mips_cpc_phys_base();
+ if (!addr)
+ return -ENODEV;
+
+ mips_cpc_base = ioremap_nocache(addr, 0x8000);
+ if (!mips_cpc_base)
+ return -ENXIO;
+
+ return 0;
+}
diff --git a/arch/mips/kernel/mips_ksyms.c b/arch/mips/kernel/mips_ksyms.c
index 6e58e97..2607c3a 100644
--- a/arch/mips/kernel/mips_ksyms.c
+++ b/arch/mips/kernel/mips_ksyms.c
@@ -16,12 +16,20 @@
#include <asm/ftrace.h>
extern void *__bzero(void *__s, size_t __count);
+extern long __strncpy_from_kernel_nocheck_asm(char *__to,
+ const char *__from, long __len);
+extern long __strncpy_from_kernel_asm(char *__to, const char *__from,
+ long __len);
extern long __strncpy_from_user_nocheck_asm(char *__to,
const char *__from, long __len);
extern long __strncpy_from_user_asm(char *__to, const char *__from,
long __len);
+extern long __strlen_kernel_nocheck_asm(const char *s);
+extern long __strlen_kernel_asm(const char *s);
extern long __strlen_user_nocheck_asm(const char *s);
extern long __strlen_user_asm(const char *s);
+extern long __strnlen_kernel_nocheck_asm(const char *s);
+extern long __strnlen_kernel_asm(const char *s);
extern long __strnlen_user_nocheck_asm(const char *s);
extern long __strnlen_user_asm(const char *s);
@@ -43,17 +51,31 @@
*/
EXPORT_SYMBOL(__copy_user);
EXPORT_SYMBOL(__copy_user_inatomic);
+#ifdef CONFIG_EVA
+EXPORT_SYMBOL(__copy_from_user_eva);
+EXPORT_SYMBOL(__copy_in_user_eva);
+EXPORT_SYMBOL(__copy_to_user_eva);
+EXPORT_SYMBOL(__copy_user_inatomic_eva);
+#endif
EXPORT_SYMBOL(__bzero);
+EXPORT_SYMBOL(__strncpy_from_kernel_nocheck_asm);
+EXPORT_SYMBOL(__strncpy_from_kernel_asm);
EXPORT_SYMBOL(__strncpy_from_user_nocheck_asm);
EXPORT_SYMBOL(__strncpy_from_user_asm);
+EXPORT_SYMBOL(__strlen_kernel_nocheck_asm);
+EXPORT_SYMBOL(__strlen_kernel_asm);
EXPORT_SYMBOL(__strlen_user_nocheck_asm);
EXPORT_SYMBOL(__strlen_user_asm);
+EXPORT_SYMBOL(__strnlen_kernel_nocheck_asm);
+EXPORT_SYMBOL(__strnlen_kernel_asm);
EXPORT_SYMBOL(__strnlen_user_nocheck_asm);
EXPORT_SYMBOL(__strnlen_user_asm);
EXPORT_SYMBOL(csum_partial);
EXPORT_SYMBOL(csum_partial_copy_nocheck);
-EXPORT_SYMBOL(__csum_partial_copy_user);
+EXPORT_SYMBOL(__csum_partial_copy_kernel);
+EXPORT_SYMBOL(__csum_partial_copy_to_user);
+EXPORT_SYMBOL(__csum_partial_copy_from_user);
EXPORT_SYMBOL(invalid_pte_table);
#ifdef CONFIG_FUNCTION_TRACER
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c
index 24cdf64..4f2d9de 100644
--- a/arch/mips/kernel/perf_event_mipsxx.c
+++ b/arch/mips/kernel/perf_event_mipsxx.c
@@ -805,7 +805,7 @@
}
}
-/* 24K/34K/1004K cores can share the same event map. */
+/* 24K/34K/1004K/interAptiv/loongson1 cores share the same event map. */
static const struct mips_perf_event mipsxxcore_event_map
[PERF_COUNT_HW_MAX] = {
[PERF_COUNT_HW_CPU_CYCLES] = { 0x00, CNTR_EVEN | CNTR_ODD, P },
@@ -814,8 +814,8 @@
[PERF_COUNT_HW_BRANCH_MISSES] = { 0x02, CNTR_ODD, T },
};
-/* 74K core has different branch event code. */
-static const struct mips_perf_event mipsxx74Kcore_event_map
+/* 74K/proAptiv core has different branch event code. */
+static const struct mips_perf_event mipsxxcore_event_map2
[PERF_COUNT_HW_MAX] = {
[PERF_COUNT_HW_CPU_CYCLES] = { 0x00, CNTR_EVEN | CNTR_ODD, P },
[PERF_COUNT_HW_INSTRUCTIONS] = { 0x01, CNTR_EVEN | CNTR_ODD, T },
@@ -849,7 +849,7 @@
[PERF_COUNT_HW_BRANCH_MISSES] = { 0x1c, CNTR_ALL }, /* PAPI_BR_MSP */
};
-/* 24K/34K/1004K cores can share the same cache event map. */
+/* 24K/34K/1004K/interAptiv/loongson1 cores share the same cache event map. */
static const struct mips_perf_event mipsxxcore_cache_map
[PERF_COUNT_HW_CACHE_MAX]
[PERF_COUNT_HW_CACHE_OP_MAX]
@@ -930,8 +930,8 @@
},
};
-/* 74K core has completely different cache event map. */
-static const struct mips_perf_event mipsxx74Kcore_cache_map
+/* 74K/proAptiv core has completely different cache event map. */
+static const struct mips_perf_event mipsxxcore_cache_map2
[PERF_COUNT_HW_CACHE_MAX]
[PERF_COUNT_HW_CACHE_OP_MAX]
[PERF_COUNT_HW_CACHE_RESULT_MAX] = {
@@ -978,6 +978,11 @@
[C(RESULT_MISS)] = { 0x1d, CNTR_EVEN, P },
},
},
+/*
+ * 74K core does not have specific DTLB events. proAptiv core has
+ * "speculative" DTLB events which are numbered 0x63 (even/odd) and
+ * not included here. One can use raw events if really needed.
+ */
[C(ITLB)] = {
[C(OP_READ)] = {
[C(RESULT_ACCESS)] = { 0x04, CNTR_EVEN, T },
@@ -1378,6 +1383,10 @@
#define IS_BOTH_COUNTERS_74K_EVENT(b) \
((b) == 0 || (b) == 1)
+/* proAptiv */
+#define IS_BOTH_COUNTERS_PROAPTIV_EVENT(b) \
+ ((b) == 0 || (b) == 1)
+
/* 1004K */
#define IS_BOTH_COUNTERS_1004K_EVENT(b) \
((b) == 0 || (b) == 1 || (b) == 11)
@@ -1391,6 +1400,20 @@
#define IS_RANGE_V_1004K_EVENT(r) ((r) == 47)
#endif
+/* interAptiv */
+#define IS_BOTH_COUNTERS_INTERAPTIV_EVENT(b) \
+ ((b) == 0 || (b) == 1 || (b) == 11)
+#ifdef CONFIG_MIPS_MT_SMP
+/* The P/V/T info is not provided for "(b) == 38" in SUM, assume P. */
+#define IS_RANGE_P_INTERAPTIV_EVENT(r, b) \
+ ((b) == 0 || (r) == 18 || (b) == 21 || (b) == 22 || \
+ (b) == 25 || (b) == 36 || (b) == 38 || (b) == 39 || \
+ (r) == 44 || (r) == 174 || (r) == 176 || ((b) >= 50 && \
+ (b) <= 59) || (r) == 188 || (b) == 61 || (b) == 62 || \
+ ((b) >= 64 && (b) <= 67))
+#define IS_RANGE_V_INTERAPTIV_EVENT(r) ((r) == 47 || (r) == 175)
+#endif
+
/* BMIPS5000 */
#define IS_BOTH_COUNTERS_BMIPS5000_EVENT(b) \
((b) == 0 || (b) == 1)
@@ -1442,6 +1465,7 @@
#endif
break;
case CPU_74K:
+ case CPU_1074K:
if (IS_BOTH_COUNTERS_74K_EVENT(base_id))
raw_event.cntr_mask = CNTR_EVEN | CNTR_ODD;
else
@@ -1451,6 +1475,16 @@
raw_event.range = P;
#endif
break;
+ case CPU_PROAPTIV:
+ if (IS_BOTH_COUNTERS_PROAPTIV_EVENT(base_id))
+ raw_event.cntr_mask = CNTR_EVEN | CNTR_ODD;
+ else
+ raw_event.cntr_mask =
+ raw_id > 127 ? CNTR_ODD : CNTR_EVEN;
+#ifdef CONFIG_MIPS_MT_SMP
+ raw_event.range = P;
+#endif
+ break;
case CPU_1004K:
if (IS_BOTH_COUNTERS_1004K_EVENT(base_id))
raw_event.cntr_mask = CNTR_EVEN | CNTR_ODD;
@@ -1466,6 +1500,21 @@
raw_event.range = T;
#endif
break;
+ case CPU_INTERAPTIV:
+ if (IS_BOTH_COUNTERS_INTERAPTIV_EVENT(base_id))
+ raw_event.cntr_mask = CNTR_EVEN | CNTR_ODD;
+ else
+ raw_event.cntr_mask =
+ raw_id > 127 ? CNTR_ODD : CNTR_EVEN;
+#ifdef CONFIG_MIPS_MT_SMP
+ if (IS_RANGE_P_INTERAPTIV_EVENT(raw_id, base_id))
+ raw_event.range = P;
+ else if (unlikely(IS_RANGE_V_INTERAPTIV_EVENT(raw_id)))
+ raw_event.range = V;
+ else
+ raw_event.range = T;
+#endif
+ break;
case CPU_BMIPS5000:
if (IS_BOTH_COUNTERS_BMIPS5000_EVENT(base_id))
raw_event.cntr_mask = CNTR_EVEN | CNTR_ODD;
@@ -1576,14 +1625,29 @@
break;
case CPU_74K:
mipspmu.name = "mips/74K";
- mipspmu.general_event_map = &mipsxx74Kcore_event_map;
- mipspmu.cache_event_map = &mipsxx74Kcore_cache_map;
+ mipspmu.general_event_map = &mipsxxcore_event_map2;
+ mipspmu.cache_event_map = &mipsxxcore_cache_map2;
+ break;
+ case CPU_PROAPTIV:
+ mipspmu.name = "mips/proAptiv";
+ mipspmu.general_event_map = &mipsxxcore_event_map2;
+ mipspmu.cache_event_map = &mipsxxcore_cache_map2;
break;
case CPU_1004K:
mipspmu.name = "mips/1004K";
mipspmu.general_event_map = &mipsxxcore_event_map;
mipspmu.cache_event_map = &mipsxxcore_cache_map;
break;
+ case CPU_1074K:
+ mipspmu.name = "mips/1074K";
+ mipspmu.general_event_map = &mipsxxcore_event_map;
+ mipspmu.cache_event_map = &mipsxxcore_cache_map;
+ break;
+ case CPU_INTERAPTIV:
+ mipspmu.name = "mips/interAptiv";
+ mipspmu.general_event_map = &mipsxxcore_event_map;
+ mipspmu.cache_event_map = &mipsxxcore_cache_map;
+ break;
case CPU_LOONGSON1:
mipspmu.name = "mips/loongson1";
mipspmu.general_event_map = &mipsxxcore_event_map;
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index 00d2097..e40971b 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -17,8 +17,24 @@
unsigned int vced_count, vcei_count;
+/*
+ * * No lock; only written during early bootup by CPU 0.
+ * */
+static RAW_NOTIFIER_HEAD(proc_cpuinfo_chain);
+
+int __ref register_proc_cpuinfo_notifier(struct notifier_block *nb)
+{
+ return raw_notifier_chain_register(&proc_cpuinfo_chain, nb);
+}
+
+int proc_cpuinfo_notifier_call_chain(unsigned long val, void *v)
+{
+ return raw_notifier_call_chain(&proc_cpuinfo_chain, val, v);
+}
+
static int show_cpuinfo(struct seq_file *m, void *v)
{
+ struct proc_cpuinfo_notifier_args proc_cpuinfo_notifier_args;
unsigned long n = (unsigned long) v - 1;
unsigned int version = cpu_data[n].processor_id;
unsigned int fp_vers = cpu_data[n].fpu_id;
@@ -95,6 +111,8 @@
if (cpu_has_mipsmt) seq_printf(m, "%s", " mt");
if (cpu_has_mmips) seq_printf(m, "%s", " micromips");
if (cpu_has_vz) seq_printf(m, "%s", " vz");
+ if (cpu_has_msa) seq_printf(m, "%s", " msa");
+ if (cpu_has_eva) seq_printf(m, "%s", " eva");
seq_printf(m, "\n");
if (cpu_has_mmips) {
@@ -118,6 +136,13 @@
cpu_has_vce ? "%u" : "not available");
seq_printf(m, fmt, 'D', vced_count);
seq_printf(m, fmt, 'I', vcei_count);
+
+ proc_cpuinfo_notifier_args.m = m;
+ proc_cpuinfo_notifier_args.n = n;
+
+ raw_notifier_call_chain(&proc_cpuinfo_chain, 0,
+ &proc_cpuinfo_notifier_args);
+
seq_printf(m, "\n");
return 0;
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 6ae540e..60e39dc 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -32,6 +32,7 @@
#include <asm/cpu.h>
#include <asm/dsp.h>
#include <asm/fpu.h>
+#include <asm/msa.h>
#include <asm/pgtable.h>
#include <asm/mipsregs.h>
#include <asm/processor.h>
@@ -65,6 +66,8 @@
clear_used_math();
clear_fpu_owner();
init_dsp();
+ clear_thread_flag(TIF_MSA_CTX_LIVE);
+ disable_msa();
regs->cp0_epc = pc;
regs->regs[29] = sp;
}
@@ -89,7 +92,9 @@
preempt_disable();
- if (is_fpu_owner())
+ if (is_msa_enabled())
+ save_msa(p);
+ else if (is_fpu_owner())
save_fp(p);
if (cpu_has_dsp)
@@ -157,7 +162,13 @@
/* Fill in the fpu structure for a core dump.. */
int dump_fpu(struct pt_regs *regs, elf_fpregset_t *r)
{
- memcpy(r, ¤t->thread.fpu, sizeof(current->thread.fpu));
+ int i;
+
+ for (i = 0; i < NUM_FPU_REGS; i++)
+ memcpy(&r[i], ¤t->thread.fpu.fpr[i], sizeof(*r));
+
+ memcpy(&r[NUM_FPU_REGS], ¤t->thread.fpu.fcr31,
+ sizeof(current->thread.fpu.fcr31));
return 1;
}
@@ -192,7 +203,13 @@
int dump_task_fpu(struct task_struct *t, elf_fpregset_t *fpr)
{
- memcpy(fpr, &t->thread.fpu, sizeof(current->thread.fpu));
+ int i;
+
+ for (i = 0; i < NUM_FPU_REGS; i++)
+ memcpy(&fpr[i], &t->thread.fpu.fpr[i], sizeof(*fpr));
+
+ memcpy(&fpr[NUM_FPU_REGS], &t->thread.fpu.fcr31,
+ sizeof(t->thread.fpu.fcr31));
return 1;
}
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 7da9b76..7271e5a 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -114,51 +114,30 @@
int ptrace_getfpregs(struct task_struct *child, __u32 __user *data)
{
int i;
- unsigned int tmp;
if (!access_ok(VERIFY_WRITE, data, 33 * 8))
return -EIO;
if (tsk_used_math(child)) {
- fpureg_t *fregs = get_fpu_regs(child);
+ union fpureg *fregs = get_fpu_regs(child);
for (i = 0; i < 32; i++)
- __put_user(fregs[i], i + (__u64 __user *) data);
+ __put_user(get_fpr64(&fregs[i], 0),
+ i + (__u64 __user *)data);
} else {
for (i = 0; i < 32; i++)
__put_user((__u64) -1, i + (__u64 __user *) data);
}
__put_user(child->thread.fpu.fcr31, data + 64);
-
- preempt_disable();
- if (cpu_has_fpu) {
- unsigned int flags;
-
- if (cpu_has_mipsmt) {
- unsigned int vpflags = dvpe();
- flags = read_c0_status();
- __enable_fpu(FPU_AS_IS);
- __asm__ __volatile__("cfc1\t%0,$0" : "=r" (tmp));
- write_c0_status(flags);
- evpe(vpflags);
- } else {
- flags = read_c0_status();
- __enable_fpu(FPU_AS_IS);
- __asm__ __volatile__("cfc1\t%0,$0" : "=r" (tmp));
- write_c0_status(flags);
- }
- } else {
- tmp = 0;
- }
- preempt_enable();
- __put_user(tmp, data + 65);
+ __put_user(current_cpu_data.fpu_id, data + 65);
return 0;
}
int ptrace_setfpregs(struct task_struct *child, __u32 __user *data)
{
- fpureg_t *fregs;
+ union fpureg *fregs;
+ u64 fpr_val;
int i;
if (!access_ok(VERIFY_READ, data, 33 * 8))
@@ -166,8 +145,10 @@
fregs = get_fpu_regs(child);
- for (i = 0; i < 32; i++)
- __get_user(fregs[i], i + (__u64 __user *) data);
+ for (i = 0; i < 32; i++) {
+ __get_user(fpr_val, i + (__u64 __user *)data);
+ set_fpr64(&fregs[i], 0, fpr_val);
+ }
__get_user(child->thread.fpu.fcr31, data + 64);
@@ -300,10 +281,27 @@
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf)
{
- return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
- &target->thread.fpu,
- 0, sizeof(elf_fpregset_t));
+ unsigned i;
+ int err;
+ u64 fpr_val;
+
/* XXX fcr31 */
+
+ if (sizeof(target->thread.fpu.fpr[i]) == sizeof(elf_fpreg_t))
+ return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
+ &target->thread.fpu,
+ 0, sizeof(elf_fpregset_t));
+
+ for (i = 0; i < NUM_FPU_REGS; i++) {
+ fpr_val = get_fpr64(&target->thread.fpu.fpr[i], 0);
+ err = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
+ &fpr_val, i * sizeof(elf_fpreg_t),
+ (i + 1) * sizeof(elf_fpreg_t));
+ if (err)
+ return err;
+ }
+
+ return 0;
}
static int fpr_set(struct task_struct *target,
@@ -311,10 +309,27 @@
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
- return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
- &target->thread.fpu,
- 0, sizeof(elf_fpregset_t));
+ unsigned i;
+ int err;
+ u64 fpr_val;
+
/* XXX fcr31 */
+
+ if (sizeof(target->thread.fpu.fpr[i]) == sizeof(elf_fpreg_t))
+ return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
+ &target->thread.fpu,
+ 0, sizeof(elf_fpregset_t));
+
+ for (i = 0; i < NUM_FPU_REGS; i++) {
+ err = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
+ &fpr_val, i * sizeof(elf_fpreg_t),
+ (i + 1) * sizeof(elf_fpreg_t));
+ if (err)
+ return err;
+ set_fpr64(&target->thread.fpu.fpr[i], 0, fpr_val);
+ }
+
+ return 0;
}
enum mips_regset {
@@ -408,7 +423,7 @@
/* Read the word at location addr in the USER area. */
case PTRACE_PEEKUSR: {
struct pt_regs *regs;
- fpureg_t *fregs;
+ union fpureg *fregs;
unsigned long tmp = 0;
regs = task_pt_regs(child);
@@ -433,14 +448,12 @@
* order bits of the values stored in the even
* registers - unless we're using r2k_switch.S.
*/
- if (addr & 1)
- tmp = fregs[(addr & ~1) - 32] >> 32;
- else
- tmp = fregs[addr - 32];
+ tmp = get_fpr32(&fregs[(addr & ~1) - FPR_BASE],
+ addr & 1);
break;
}
#endif
- tmp = fregs[addr - FPR_BASE];
+ tmp = get_fpr32(&fregs[addr - FPR_BASE], 0);
break;
case PC:
tmp = regs->cp0_epc;
@@ -465,44 +478,10 @@
case FPC_CSR:
tmp = child->thread.fpu.fcr31;
break;
- case FPC_EIR: { /* implementation / version register */
- unsigned int flags;
-#ifdef CONFIG_MIPS_MT_SMTC
- unsigned long irqflags;
- unsigned int mtflags;
-#endif /* CONFIG_MIPS_MT_SMTC */
-
- preempt_disable();
- if (!cpu_has_fpu) {
- preempt_enable();
- break;
- }
-
-#ifdef CONFIG_MIPS_MT_SMTC
- /* Read-modify-write of Status must be atomic */
- local_irq_save(irqflags);
- mtflags = dmt();
-#endif /* CONFIG_MIPS_MT_SMTC */
- if (cpu_has_mipsmt) {
- unsigned int vpflags = dvpe();
- flags = read_c0_status();
- __enable_fpu(FPU_AS_IS);
- __asm__ __volatile__("cfc1\t%0,$0": "=r" (tmp));
- write_c0_status(flags);
- evpe(vpflags);
- } else {
- flags = read_c0_status();
- __enable_fpu(FPU_AS_IS);
- __asm__ __volatile__("cfc1\t%0,$0": "=r" (tmp));
- write_c0_status(flags);
- }
-#ifdef CONFIG_MIPS_MT_SMTC
- emt(mtflags);
- local_irq_restore(irqflags);
-#endif /* CONFIG_MIPS_MT_SMTC */
- preempt_enable();
+ case FPC_EIR:
+ /* implementation / version register */
+ tmp = current_cpu_data.fpu_id;
break;
- }
case DSP_BASE ... DSP_BASE + 5: {
dspreg_t *dregs;
@@ -548,7 +527,7 @@
regs->regs[addr] = data;
break;
case FPR_BASE ... FPR_BASE + 31: {
- fpureg_t *fregs = get_fpu_regs(child);
+ union fpureg *fregs = get_fpu_regs(child);
if (!tsk_used_math(child)) {
/* FP not yet used */
@@ -563,19 +542,12 @@
* order bits of the values stored in the even
* registers - unless we're using r2k_switch.S.
*/
- if (addr & 1) {
- fregs[(addr & ~1) - FPR_BASE] &=
- 0xffffffff;
- fregs[(addr & ~1) - FPR_BASE] |=
- ((u64)data) << 32;
- } else {
- fregs[addr - FPR_BASE] &= ~0xffffffffLL;
- fregs[addr - FPR_BASE] |= data;
- }
+ set_fpr32(&fregs[(addr & ~1) - FPR_BASE],
+ addr & 1, data);
break;
}
#endif
- fregs[addr - FPR_BASE] = data;
+ set_fpr64(&fregs[addr - FPR_BASE], 0, data);
break;
}
case PC:
@@ -662,13 +634,13 @@
* Notification of system call entry/exit
* - triggered by current->work.syscall_trace
*/
-asmlinkage void syscall_trace_enter(struct pt_regs *regs)
+asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall)
{
long ret = 0;
user_exit();
- /* do the secure computing check first */
- secure_computing_strict(regs->regs[2]);
+ if (secure_computing(syscall) == -1)
+ return -1;
if (test_thread_flag(TIF_SYSCALL_TRACE) &&
tracehook_report_syscall_entry(regs))
@@ -677,10 +649,11 @@
if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
trace_sys_enter(regs, regs->regs[2]);
- audit_syscall_entry(__syscall_get_arch(),
- regs->regs[2],
+ audit_syscall_entry(syscall_get_arch(current, regs),
+ syscall,
regs->regs[4], regs->regs[5],
regs->regs[6], regs->regs[7]);
+ return syscall;
}
/*
diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c
index b8aa2dd..b40c3ca 100644
--- a/arch/mips/kernel/ptrace32.c
+++ b/arch/mips/kernel/ptrace32.c
@@ -80,7 +80,7 @@
/* Read the word at location addr in the USER area. */
case PTRACE_PEEKUSR: {
struct pt_regs *regs;
- fpureg_t *fregs;
+ union fpureg *fregs;
unsigned int tmp;
regs = task_pt_regs(child);
@@ -103,13 +103,11 @@
* order bits of the values stored in the even
* registers - unless we're using r2k_switch.S.
*/
- if (addr & 1)
- tmp = fregs[(addr & ~1) - 32] >> 32;
- else
- tmp = fregs[addr - 32];
+ tmp = get_fpr32(&fregs[(addr & ~1) - FPR_BASE],
+ addr & 1);
break;
}
- tmp = fregs[addr - FPR_BASE];
+ tmp = get_fpr32(&fregs[addr - FPR_BASE], 0);
break;
case PC:
tmp = regs->cp0_epc;
@@ -129,46 +127,10 @@
case FPC_CSR:
tmp = child->thread.fpu.fcr31;
break;
- case FPC_EIR: { /* implementation / version register */
- unsigned int flags;
-#ifdef CONFIG_MIPS_MT_SMTC
- unsigned int irqflags;
- unsigned int mtflags;
-#endif /* CONFIG_MIPS_MT_SMTC */
-
- preempt_disable();
- if (!cpu_has_fpu) {
- preempt_enable();
- tmp = 0;
- break;
- }
-
-#ifdef CONFIG_MIPS_MT_SMTC
- /* Read-modify-write of Status must be atomic */
- local_irq_save(irqflags);
- mtflags = dmt();
-#endif /* CONFIG_MIPS_MT_SMTC */
-
- if (cpu_has_mipsmt) {
- unsigned int vpflags = dvpe();
- flags = read_c0_status();
- __enable_fpu(FPU_AS_IS);
- __asm__ __volatile__("cfc1\t%0,$0": "=r" (tmp));
- write_c0_status(flags);
- evpe(vpflags);
- } else {
- flags = read_c0_status();
- __enable_fpu(FPU_AS_IS);
- __asm__ __volatile__("cfc1\t%0,$0": "=r" (tmp));
- write_c0_status(flags);
- }
-#ifdef CONFIG_MIPS_MT_SMTC
- emt(mtflags);
- local_irq_restore(irqflags);
-#endif /* CONFIG_MIPS_MT_SMTC */
- preempt_enable();
+ case FPC_EIR:
+ /* implementation / version register */
+ tmp = current_cpu_data.fpu_id;
break;
- }
case DSP_BASE ... DSP_BASE + 5: {
dspreg_t *dregs;
@@ -233,7 +195,7 @@
regs->regs[addr] = data;
break;
case FPR_BASE ... FPR_BASE + 31: {
- fpureg_t *fregs = get_fpu_regs(child);
+ union fpureg *fregs = get_fpu_regs(child);
if (!tsk_used_math(child)) {
/* FP not yet used */
@@ -247,18 +209,11 @@
* order bits of the values stored in the even
* registers - unless we're using r2k_switch.S.
*/
- if (addr & 1) {
- fregs[(addr & ~1) - FPR_BASE] &=
- 0xffffffff;
- fregs[(addr & ~1) - FPR_BASE] |=
- ((u64)data) << 32;
- } else {
- fregs[addr - FPR_BASE] &= ~0xffffffffLL;
- fregs[addr - FPR_BASE] |= data;
- }
+ set_fpr32(&fregs[(addr & ~1) - FPR_BASE],
+ addr & 1, data);
break;
}
- fregs[addr - FPR_BASE] = data;
+ set_fpr64(&fregs[addr - FPR_BASE], 0, data);
break;
}
case PC:
diff --git a/arch/mips/kernel/r4k_fpu.S b/arch/mips/kernel/r4k_fpu.S
index 73b0ddf..7181427 100644
--- a/arch/mips/kernel/r4k_fpu.S
+++ b/arch/mips/kernel/r4k_fpu.S
@@ -13,6 +13,7 @@
* Copyright (C) 1999, 2001 Silicon Graphics, Inc.
*/
#include <asm/asm.h>
+#include <asm/asmmacro.h>
#include <asm/errno.h>
#include <asm/fpregdef.h>
#include <asm/mipsregs.h>
@@ -30,7 +31,7 @@
.endm
.set noreorder
- .set mips3
+ .set arch=r4000
LEAF(_save_fp_context)
cfc1 t1, fcr31
@@ -245,6 +246,218 @@
END(_restore_fp_context32)
#endif
+#ifdef CONFIG_CPU_HAS_MSA
+
+ .macro save_sc_msareg wr, off, sc, tmp
+#ifdef CONFIG_64BIT
+ copy_u_d \tmp, \wr, 1
+ EX sd \tmp, (\off+(\wr*8))(\sc)
+#elif defined(CONFIG_CPU_LITTLE_ENDIAN)
+ copy_u_w \tmp, \wr, 2
+ EX sw \tmp, (\off+(\wr*8)+0)(\sc)
+ copy_u_w \tmp, \wr, 3
+ EX sw \tmp, (\off+(\wr*8)+4)(\sc)
+#else /* CONFIG_CPU_BIG_ENDIAN */
+ copy_u_w \tmp, \wr, 2
+ EX sw \tmp, (\off+(\wr*8)+4)(\sc)
+ copy_u_w \tmp, \wr, 3
+ EX sw \tmp, (\off+(\wr*8)+0)(\sc)
+#endif
+ .endm
+
+/*
+ * int _save_msa_context(struct sigcontext *sc)
+ *
+ * Save the upper 64 bits of each vector register along with the MSA_CSR
+ * register into sc. Returns zero on success, else non-zero.
+ */
+LEAF(_save_msa_context)
+ save_sc_msareg 0, SC_MSAREGS, a0, t0
+ save_sc_msareg 1, SC_MSAREGS, a0, t0
+ save_sc_msareg 2, SC_MSAREGS, a0, t0
+ save_sc_msareg 3, SC_MSAREGS, a0, t0
+ save_sc_msareg 4, SC_MSAREGS, a0, t0
+ save_sc_msareg 5, SC_MSAREGS, a0, t0
+ save_sc_msareg 6, SC_MSAREGS, a0, t0
+ save_sc_msareg 7, SC_MSAREGS, a0, t0
+ save_sc_msareg 8, SC_MSAREGS, a0, t0
+ save_sc_msareg 9, SC_MSAREGS, a0, t0
+ save_sc_msareg 10, SC_MSAREGS, a0, t0
+ save_sc_msareg 11, SC_MSAREGS, a0, t0
+ save_sc_msareg 12, SC_MSAREGS, a0, t0
+ save_sc_msareg 13, SC_MSAREGS, a0, t0
+ save_sc_msareg 14, SC_MSAREGS, a0, t0
+ save_sc_msareg 15, SC_MSAREGS, a0, t0
+ save_sc_msareg 16, SC_MSAREGS, a0, t0
+ save_sc_msareg 17, SC_MSAREGS, a0, t0
+ save_sc_msareg 18, SC_MSAREGS, a0, t0
+ save_sc_msareg 19, SC_MSAREGS, a0, t0
+ save_sc_msareg 20, SC_MSAREGS, a0, t0
+ save_sc_msareg 21, SC_MSAREGS, a0, t0
+ save_sc_msareg 22, SC_MSAREGS, a0, t0
+ save_sc_msareg 23, SC_MSAREGS, a0, t0
+ save_sc_msareg 24, SC_MSAREGS, a0, t0
+ save_sc_msareg 25, SC_MSAREGS, a0, t0
+ save_sc_msareg 26, SC_MSAREGS, a0, t0
+ save_sc_msareg 27, SC_MSAREGS, a0, t0
+ save_sc_msareg 28, SC_MSAREGS, a0, t0
+ save_sc_msareg 29, SC_MSAREGS, a0, t0
+ save_sc_msareg 30, SC_MSAREGS, a0, t0
+ save_sc_msareg 31, SC_MSAREGS, a0, t0
+ jr ra
+ li v0, 0
+ END(_save_msa_context)
+
+#ifdef CONFIG_MIPS32_COMPAT
+
+/*
+ * int _save_msa_context32(struct sigcontext32 *sc)
+ *
+ * Save the upper 64 bits of each vector register along with the MSA_CSR
+ * register into sc. Returns zero on success, else non-zero.
+ */
+LEAF(_save_msa_context32)
+ save_sc_msareg 0, SC32_MSAREGS, a0, t0
+ save_sc_msareg 1, SC32_MSAREGS, a0, t0
+ save_sc_msareg 2, SC32_MSAREGS, a0, t0
+ save_sc_msareg 3, SC32_MSAREGS, a0, t0
+ save_sc_msareg 4, SC32_MSAREGS, a0, t0
+ save_sc_msareg 5, SC32_MSAREGS, a0, t0
+ save_sc_msareg 6, SC32_MSAREGS, a0, t0
+ save_sc_msareg 7, SC32_MSAREGS, a0, t0
+ save_sc_msareg 8, SC32_MSAREGS, a0, t0
+ save_sc_msareg 9, SC32_MSAREGS, a0, t0
+ save_sc_msareg 10, SC32_MSAREGS, a0, t0
+ save_sc_msareg 11, SC32_MSAREGS, a0, t0
+ save_sc_msareg 12, SC32_MSAREGS, a0, t0
+ save_sc_msareg 13, SC32_MSAREGS, a0, t0
+ save_sc_msareg 14, SC32_MSAREGS, a0, t0
+ save_sc_msareg 15, SC32_MSAREGS, a0, t0
+ save_sc_msareg 16, SC32_MSAREGS, a0, t0
+ save_sc_msareg 17, SC32_MSAREGS, a0, t0
+ save_sc_msareg 18, SC32_MSAREGS, a0, t0
+ save_sc_msareg 19, SC32_MSAREGS, a0, t0
+ save_sc_msareg 20, SC32_MSAREGS, a0, t0
+ save_sc_msareg 21, SC32_MSAREGS, a0, t0
+ save_sc_msareg 22, SC32_MSAREGS, a0, t0
+ save_sc_msareg 23, SC32_MSAREGS, a0, t0
+ save_sc_msareg 24, SC32_MSAREGS, a0, t0
+ save_sc_msareg 25, SC32_MSAREGS, a0, t0
+ save_sc_msareg 26, SC32_MSAREGS, a0, t0
+ save_sc_msareg 27, SC32_MSAREGS, a0, t0
+ save_sc_msareg 28, SC32_MSAREGS, a0, t0
+ save_sc_msareg 29, SC32_MSAREGS, a0, t0
+ save_sc_msareg 30, SC32_MSAREGS, a0, t0
+ save_sc_msareg 31, SC32_MSAREGS, a0, t0
+ jr ra
+ li v0, 0
+ END(_save_msa_context32)
+
+#endif /* CONFIG_MIPS32_COMPAT */
+
+ .macro restore_sc_msareg wr, off, sc, tmp
+#ifdef CONFIG_64BIT
+ EX ld \tmp, (\off+(\wr*8))(\sc)
+ insert_d \wr, 1, \tmp
+#elif defined(CONFIG_CPU_LITTLE_ENDIAN)
+ EX lw \tmp, (\off+(\wr*8)+0)(\sc)
+ insert_w \wr, 2, \tmp
+ EX lw \tmp, (\off+(\wr*8)+4)(\sc)
+ insert_w \wr, 3, \tmp
+#else /* CONFIG_CPU_BIG_ENDIAN */
+ EX lw \tmp, (\off+(\wr*8)+4)(\sc)
+ insert_w \wr, 2, \tmp
+ EX lw \tmp, (\off+(\wr*8)+0)(\sc)
+ insert_w \wr, 3, \tmp
+#endif
+ .endm
+
+/*
+ * int _restore_msa_context(struct sigcontext *sc)
+ */
+LEAF(_restore_msa_context)
+ restore_sc_msareg 0, SC_MSAREGS, a0, t0
+ restore_sc_msareg 1, SC_MSAREGS, a0, t0
+ restore_sc_msareg 2, SC_MSAREGS, a0, t0
+ restore_sc_msareg 3, SC_MSAREGS, a0, t0
+ restore_sc_msareg 4, SC_MSAREGS, a0, t0
+ restore_sc_msareg 5, SC_MSAREGS, a0, t0
+ restore_sc_msareg 6, SC_MSAREGS, a0, t0
+ restore_sc_msareg 7, SC_MSAREGS, a0, t0
+ restore_sc_msareg 8, SC_MSAREGS, a0, t0
+ restore_sc_msareg 9, SC_MSAREGS, a0, t0
+ restore_sc_msareg 10, SC_MSAREGS, a0, t0
+ restore_sc_msareg 11, SC_MSAREGS, a0, t0
+ restore_sc_msareg 12, SC_MSAREGS, a0, t0
+ restore_sc_msareg 13, SC_MSAREGS, a0, t0
+ restore_sc_msareg 14, SC_MSAREGS, a0, t0
+ restore_sc_msareg 15, SC_MSAREGS, a0, t0
+ restore_sc_msareg 16, SC_MSAREGS, a0, t0
+ restore_sc_msareg 17, SC_MSAREGS, a0, t0
+ restore_sc_msareg 18, SC_MSAREGS, a0, t0
+ restore_sc_msareg 19, SC_MSAREGS, a0, t0
+ restore_sc_msareg 20, SC_MSAREGS, a0, t0
+ restore_sc_msareg 21, SC_MSAREGS, a0, t0
+ restore_sc_msareg 22, SC_MSAREGS, a0, t0
+ restore_sc_msareg 23, SC_MSAREGS, a0, t0
+ restore_sc_msareg 24, SC_MSAREGS, a0, t0
+ restore_sc_msareg 25, SC_MSAREGS, a0, t0
+ restore_sc_msareg 26, SC_MSAREGS, a0, t0
+ restore_sc_msareg 27, SC_MSAREGS, a0, t0
+ restore_sc_msareg 28, SC_MSAREGS, a0, t0
+ restore_sc_msareg 29, SC_MSAREGS, a0, t0
+ restore_sc_msareg 30, SC_MSAREGS, a0, t0
+ restore_sc_msareg 31, SC_MSAREGS, a0, t0
+ jr ra
+ li v0, 0
+ END(_restore_msa_context)
+
+#ifdef CONFIG_MIPS32_COMPAT
+
+/*
+ * int _restore_msa_context32(struct sigcontext32 *sc)
+ */
+LEAF(_restore_msa_context32)
+ restore_sc_msareg 0, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 1, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 2, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 3, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 4, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 5, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 6, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 7, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 8, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 9, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 10, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 11, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 12, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 13, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 14, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 15, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 16, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 17, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 18, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 19, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 20, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 21, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 22, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 23, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 24, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 25, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 26, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 27, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 28, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 29, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 30, SC32_MSAREGS, a0, t0
+ restore_sc_msareg 31, SC32_MSAREGS, a0, t0
+ jr ra
+ li v0, 0
+ END(_restore_msa_context32)
+
+#endif /* CONFIG_MIPS32_COMPAT */
+
+#endif /* CONFIG_CPU_HAS_MSA */
+
.set reorder
.type fault@function
diff --git a/arch/mips/kernel/r4k_switch.S b/arch/mips/kernel/r4k_switch.S
index cc78dd9..abacac7 100644
--- a/arch/mips/kernel/r4k_switch.S
+++ b/arch/mips/kernel/r4k_switch.S
@@ -29,18 +29,8 @@
#define ST_OFF (_THREAD_SIZE - 32 - PT_SIZE + PT_STATUS)
/*
- * FPU context is saved iff the process has used it's FPU in the current
- * time slice as indicated by _TIF_USEDFPU. In any case, the CU1 bit for user
- * space STATUS register should be 0, so that a process *always* starts its
- * userland with FPU disabled after each context switch.
- *
- * FPU will be enabled as soon as the process accesses FPU again, through
- * do_cpu() trap.
- */
-
-/*
* task_struct *resume(task_struct *prev, task_struct *next,
- * struct thread_info *next_ti, int usedfpu)
+ * struct thread_info *next_ti, s32 fp_save)
*/
.align 5
LEAF(resume)
@@ -50,23 +40,37 @@
LONG_S ra, THREAD_REG31(a0)
/*
- * check if we need to save FPU registers
+ * Check whether we need to save any FP context. FP context is saved
+ * iff the process has used the context with the scalar FPU or the MSA
+ * ASE in the current time slice, as indicated by _TIF_USEDFPU and
+ * _TIF_USEDMSA respectively. switch_to will have set fp_save
+ * accordingly to an FP_SAVE_ enum value.
*/
+ beqz a3, 2f
- beqz a3, 1f
-
- PTR_L t3, TASK_THREAD_INFO(a0)
/*
- * clear saved user stack CU1 bit
+ * We do. Clear the saved CU1 bit for prev, such that next time it is
+ * scheduled it will start in userland with the FPU disabled. If the
+ * task uses the FPU then it will be enabled again via the do_cpu trap.
+ * This allows us to lazily restore the FP context.
*/
+ PTR_L t3, TASK_THREAD_INFO(a0)
LONG_L t0, ST_OFF(t3)
li t1, ~ST0_CU1
and t0, t0, t1
LONG_S t0, ST_OFF(t3)
+ /* Check whether we're saving scalar or vector context. */
+ bgtz a3, 1f
+
+ /* Save 128b MSA vector context. */
+ msa_save_all a0
+ b 2f
+
+1: /* Save 32b/64b scalar FP context. */
fpu_save_double a0 t0 t1 # c0_status passed in t0
# clobbers t1
-1:
+2:
#if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP)
PTR_LA t8, __stack_chk_guard
@@ -141,6 +145,26 @@
jr ra
END(_restore_fp)
+#ifdef CONFIG_CPU_HAS_MSA
+
+/*
+ * Save a thread's MSA vector context.
+ */
+LEAF(_save_msa)
+ msa_save_all a0
+ jr ra
+ END(_save_msa)
+
+/*
+ * Restore a thread's MSA vector context.
+ */
+LEAF(_restore_msa)
+ msa_restore_all a0
+ jr ra
+ END(_restore_msa)
+
+#endif
+
/*
* Load the FPU with signalling NANS. This bit pattern we're using has
* the property that no matter whether considered as single or as double
@@ -270,7 +294,7 @@
1: .set pop
#endif /* CONFIG_CPU_MIPS32_R2 */
#else
- .set mips3
+ .set arch=r4000
dmtc1 t1, $f0
dmtc1 t1, $f2
dmtc1 t1, $f4
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index a5b14f4..fdc70b4 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -6,6 +6,7 @@
* Copyright (C) 1995-99, 2000- 02, 06 Ralf Baechle <ralf@linux-mips.org>
* Copyright (C) 2001 MIPS Technologies, Inc.
* Copyright (C) 2004 Thiemo Seufer
+ * Copyright (C) 2014 Imagination Technologies Ltd.
*/
#include <linux/errno.h>
#include <asm/asm.h>
@@ -74,10 +75,10 @@
.set noreorder
.set nomacro
-1: lw t5, 16(t0) # argument #5 from usp
-4: lw t6, 20(t0) # argument #6 from usp
-3: lw t7, 24(t0) # argument #7 from usp
-2: lw t8, 28(t0) # argument #8 from usp
+1: user_lw(t5, 16(t0)) # argument #5 from usp
+4: user_lw(t6, 20(t0)) # argument #6 from usp
+3: user_lw(t7, 24(t0)) # argument #7 from usp
+2: user_lw(t8, 28(t0)) # argument #8 from usp
sw t5, 16(sp) # argument #5 to ksp
sw t6, 20(sp) # argument #6 to ksp
@@ -118,7 +119,18 @@
SAVE_STATIC
move s0, t2
move a0, sp
- jal syscall_trace_enter
+
+ /*
+ * syscall number is in v0 unless we called syscall(__NR_###)
+ * where the real syscall number is in a0
+ */
+ addiu a1, v0, __NR_O32_Linux
+ bnez v0, 1f /* __NR_syscall at offset 0 */
+ lw a1, PT_R4(sp)
+
+1: jal syscall_trace_enter
+
+ bltz v0, 2f # seccomp failed? Skip syscall
move t0, s0
RESTORE_STATIC
@@ -138,7 +150,7 @@
sw t1, PT_R0(sp) # save it for syscall restarting
1: sw v0, PT_R2(sp) # result
- j syscall_exit
+2: j syscall_exit
/* ------------------------------------------------------------------------ */
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index b56e254..dd99c328 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -80,8 +80,11 @@
SAVE_STATIC
move s0, t2
move a0, sp
+ daddiu a1, v0, __NR_64_Linux
jal syscall_trace_enter
+ bltz v0, 2f # seccomp failed? Skip syscall
+
move t0, s0
RESTORE_STATIC
ld a0, PT_R4(sp) # Restore argument registers
@@ -102,7 +105,7 @@
sd t1, PT_R0(sp) # save it for syscall restarting
1: sd v0, PT_R2(sp) # result
- j syscall_exit
+2: j syscall_exit
illegal_syscall:
/* This also isn't a 64-bit syscall, throw an error. */
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index f7e5b72..f68d2f4 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -72,8 +72,11 @@
SAVE_STATIC
move s0, t2
move a0, sp
+ daddiu a1, v0, __NR_N32_Linux
jal syscall_trace_enter
+ bltz v0, 2f # seccomp failed? Skip syscall
+
move t0, s0
RESTORE_STATIC
ld a0, PT_R4(sp) # Restore argument registers
@@ -94,7 +97,7 @@
sd t1, PT_R0(sp) # save it for syscall restarting
1: sd v0, PT_R2(sp) # result
- j syscall_exit
+2: j syscall_exit
not_n32_scall:
/* This is not an n32 compatibility syscall, pass it on to
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 6788727d..70f6ace 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -112,7 +112,20 @@
move s0, t2 # Save syscall pointer
move a0, sp
- jal syscall_trace_enter
+ /*
+ * syscall number is in v0 unless we called syscall(__NR_###)
+ * where the real syscall number is in a0
+ * note: NR_syscall is the first O32 syscall but the macro is
+ * only defined when compiling with -mabi=32 (CONFIG_32BIT)
+ * therefore __NR_O32_Linux is used (4000)
+ */
+ addiu a1, v0, __NR_O32_Linux
+ bnez v0, 1f /* __NR_syscall at offset 0 */
+ lw a1, PT_R4(sp)
+
+1: jal syscall_trace_enter
+
+ bltz v0, 2f # seccomp failed? Skip syscall
move t0, s0
RESTORE_STATIC
@@ -136,7 +149,7 @@
sd t1, PT_R0(sp) # save it for syscall restarting
1: sd v0, PT_R2(sp) # result
- j syscall_exit
+2: j syscall_exit
/* ------------------------------------------------------------------------ */
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index 5199563..33133d3 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -6,6 +6,7 @@
* Copyright (C) 1991, 1992 Linus Torvalds
* Copyright (C) 1994 - 2000 Ralf Baechle
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ * Copyright (C) 2014, Imagination Technologies Ltd.
*/
#include <linux/cache.h>
#include <linux/context_tracking.h>
@@ -30,6 +31,7 @@
#include <linux/bitops.h>
#include <asm/cacheflush.h>
#include <asm/fpu.h>
+#include <asm/msa.h>
#include <asm/sim.h>
#include <asm/ucontext.h>
#include <asm/cpu-features.h>
@@ -46,8 +48,8 @@
extern asmlinkage int _save_fp_context(struct sigcontext __user *sc);
extern asmlinkage int _restore_fp_context(struct sigcontext __user *sc);
-extern asmlinkage int fpu_emulator_save_context(struct sigcontext __user *sc);
-extern asmlinkage int fpu_emulator_restore_context(struct sigcontext __user *sc);
+extern asmlinkage int _save_msa_context(struct sigcontext __user *sc);
+extern asmlinkage int _restore_msa_context(struct sigcontext __user *sc);
struct sigframe {
u32 sf_ass[4]; /* argument save space for o32 */
@@ -64,17 +66,95 @@
};
/*
+ * Thread saved context copy to/from a signal context presumed to be on the
+ * user stack, and therefore accessed with appropriate macros from uaccess.h.
+ */
+static int copy_fp_to_sigcontext(struct sigcontext __user *sc)
+{
+ int i;
+ int err = 0;
+
+ for (i = 0; i < NUM_FPU_REGS; i++) {
+ err |=
+ __put_user(get_fpr64(¤t->thread.fpu.fpr[i], 0),
+ &sc->sc_fpregs[i]);
+ }
+ err |= __put_user(current->thread.fpu.fcr31, &sc->sc_fpc_csr);
+
+ return err;
+}
+
+static int copy_fp_from_sigcontext(struct sigcontext __user *sc)
+{
+ int i;
+ int err = 0;
+ u64 fpr_val;
+
+ for (i = 0; i < NUM_FPU_REGS; i++) {
+ err |= __get_user(fpr_val, &sc->sc_fpregs[i]);
+ set_fpr64(¤t->thread.fpu.fpr[i], 0, fpr_val);
+ }
+ err |= __get_user(current->thread.fpu.fcr31, &sc->sc_fpc_csr);
+
+ return err;
+}
+
+/*
+ * These functions will save only the upper 64 bits of the vector registers,
+ * since the lower 64 bits have already been saved as the scalar FP context.
+ */
+static int copy_msa_to_sigcontext(struct sigcontext __user *sc)
+{
+ int i;
+ int err = 0;
+
+ for (i = 0; i < NUM_FPU_REGS; i++) {
+ err |=
+ __put_user(get_fpr64(¤t->thread.fpu.fpr[i], 1),
+ &sc->sc_msaregs[i]);
+ }
+ err |= __put_user(current->thread.fpu.msacsr, &sc->sc_msa_csr);
+
+ return err;
+}
+
+static int copy_msa_from_sigcontext(struct sigcontext __user *sc)
+{
+ int i;
+ int err = 0;
+ u64 val;
+
+ for (i = 0; i < NUM_FPU_REGS; i++) {
+ err |= __get_user(val, &sc->sc_msaregs[i]);
+ set_fpr64(¤t->thread.fpu.fpr[i], 1, val);
+ }
+ err |= __get_user(current->thread.fpu.msacsr, &sc->sc_msa_csr);
+
+ return err;
+}
+
+/*
* Helper routines
*/
-static int protected_save_fp_context(struct sigcontext __user *sc)
+static int protected_save_fp_context(struct sigcontext __user *sc,
+ unsigned used_math)
{
int err;
+ bool save_msa = cpu_has_msa && (used_math & USEDMATH_MSA);
+#ifndef CONFIG_EVA
while (1) {
lock_fpu_owner();
- err = own_fpu_inatomic(1);
- if (!err)
- err = save_fp_context(sc); /* this might fail */
- unlock_fpu_owner();
+ if (is_fpu_owner()) {
+ err = save_fp_context(sc);
+ if (save_msa && !err)
+ err = _save_msa_context(sc);
+ unlock_fpu_owner();
+ } else {
+ unlock_fpu_owner();
+ err = copy_fp_to_sigcontext(sc);
+ if (save_msa && !err)
+ err = copy_msa_to_sigcontext(sc);
+ }
if (likely(!err))
break;
/* touch the sigcontext and try again */
@@ -84,18 +164,44 @@
if (err)
break; /* really bad sigcontext */
}
+#else
+ /*
+ * EVA does not have FPU EVA instructions so saving fpu context directly
+ * does not work.
+ */
+ disable_msa();
+ lose_fpu(1);
+ err = save_fp_context(sc); /* this might fail */
+ if (save_msa && !err)
+ err = copy_msa_to_sigcontext(sc);
+#endif
return err;
}
-static int protected_restore_fp_context(struct sigcontext __user *sc)
+static int protected_restore_fp_context(struct sigcontext __user *sc,
+ unsigned used_math)
{
int err, tmp __maybe_unused;
+ bool restore_msa = cpu_has_msa && (used_math & USEDMATH_MSA);
+#ifndef CONFIG_EVA
while (1) {
lock_fpu_owner();
- err = own_fpu_inatomic(0);
- if (!err)
- err = restore_fp_context(sc); /* this might fail */
- unlock_fpu_owner();
+ if (is_fpu_owner()) {
+ err = restore_fp_context(sc);
+ if (restore_msa && !err) {
+ enable_msa();
+ err = _restore_msa_context(sc);
+ } else {
+ /* signal handler may have used MSA */
+ disable_msa();
+ }
+ unlock_fpu_owner();
+ } else {
+ unlock_fpu_owner();
+ err = copy_fp_from_sigcontext(sc);
+ if (!err && (used_math & USEDMATH_MSA))
+ err = copy_msa_from_sigcontext(sc);
+ }
if (likely(!err))
break;
/* touch the sigcontext and try again */
@@ -105,6 +211,17 @@
if (err)
break; /* really bad sigcontext */
}
+#else
+ /*
+ * EVA does not have FPU EVA instructions so restoring fpu context
+ * directly does not work.
+ */
+ enable_msa();
+ lose_fpu(0);
+ err = restore_fp_context(sc); /* this might fail */
+ if (restore_msa && !err)
+ err = copy_msa_from_sigcontext(sc);
+#endif
return err;
}
@@ -135,7 +252,8 @@
err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp);
}
- used_math = !!used_math();
+ used_math = used_math() ? USEDMATH_FP : 0;
+ used_math |= thread_msa_context_live() ? USEDMATH_MSA : 0;
err |= __put_user(used_math, &sc->sc_used_math);
if (used_math) {
@@ -143,7 +261,7 @@
* Save FPU state to signal context. Signal handler
* will "inherit" current FPU state.
*/
- err |= protected_save_fp_context(sc);
+ err |= protected_save_fp_context(sc, used_math);
}
return err;
}
@@ -168,14 +286,14 @@
}
static int
-check_and_restore_fp_context(struct sigcontext __user *sc)
+check_and_restore_fp_context(struct sigcontext __user *sc, unsigned used_math)
{
int err, sig;
err = sig = fpcsr_pending(&sc->sc_fpc_csr);
if (err > 0)
err = 0;
- err |= protected_restore_fp_context(sc);
+ err |= protected_restore_fp_context(sc, used_math);
return err ?: sig;
}
@@ -215,9 +333,10 @@
if (used_math) {
/* restore fpu context if we have used it before */
if (!err)
- err = check_and_restore_fp_context(sc);
+ err = check_and_restore_fp_context(sc, used_math);
} else {
- /* signal handler may have used FPU. Give it up. */
+ /* signal handler may have used FPU or MSA. Disable them. */
+ disable_msa();
lose_fpu(0);
}
@@ -591,23 +710,26 @@
}
#ifdef CONFIG_SMP
+#ifndef CONFIG_EVA
static int smp_save_fp_context(struct sigcontext __user *sc)
{
return raw_cpu_has_fpu
? _save_fp_context(sc)
- : fpu_emulator_save_context(sc);
+ : copy_fp_to_sigcontext(sc);
}
static int smp_restore_fp_context(struct sigcontext __user *sc)
{
return raw_cpu_has_fpu
? _restore_fp_context(sc)
- : fpu_emulator_restore_context(sc);
+ : copy_fp_from_sigcontext(sc);
}
+#endif /* CONFIG_EVA */
#endif
static int signal_setup(void)
{
+#ifndef CONFIG_EVA
#ifdef CONFIG_SMP
/* For now just do the cpu_has_fpu check when the functions are invoked */
save_fp_context = smp_save_fp_context;
@@ -617,9 +739,13 @@
save_fp_context = _save_fp_context;
restore_fp_context = _restore_fp_context;
} else {
- save_fp_context = fpu_emulator_save_context;
- restore_fp_context = fpu_emulator_restore_context;
+ save_fp_context = copy_fp_from_sigcontext;
+ restore_fp_context = copy_fp_to_sigcontext;
}
+#endif /* CONFIG_SMP */
+#else
+ save_fp_context = copy_fp_from_sigcontext;;
+ restore_fp_context = copy_fp_to_sigcontext;
#endif
return 0;
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index 3d60f77..299f956 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -30,6 +30,7 @@
#include <asm/sim.h>
#include <asm/ucontext.h>
#include <asm/fpu.h>
+#include <asm/msa.h>
#include <asm/war.h>
#include <asm/vdso.h>
#include <asm/dsp.h>
@@ -42,8 +43,8 @@
extern asmlinkage int _save_fp_context32(struct sigcontext32 __user *sc);
extern asmlinkage int _restore_fp_context32(struct sigcontext32 __user *sc);
-extern asmlinkage int fpu_emulator_save_context32(struct sigcontext32 __user *sc);
-extern asmlinkage int fpu_emulator_restore_context32(struct sigcontext32 __user *sc);
+extern asmlinkage int _save_msa_context32(struct sigcontext32 __user *sc);
+extern asmlinkage int _restore_msa_context32(struct sigcontext32 __user *sc);
/*
* Including <asm/unistd.h> would give use the 64-bit syscall numbers ...
@@ -78,17 +79,96 @@
};
/*
+ * Thread saved context copy to/from a signal context presumed to be on the
+ * user stack, and therefore accessed with appropriate macros from uaccess.h.
+ */
+static int copy_fp_to_sigcontext32(struct sigcontext32 __user *sc)
+{
+ int i;
+ int err = 0;
+ int inc = test_thread_flag(TIF_32BIT_FPREGS) ? 2 : 1;
+
+ for (i = 0; i < NUM_FPU_REGS; i += inc) {
+ err |=
+ __put_user(get_fpr64(¤t->thread.fpu.fpr[i], 0),
+ &sc->sc_fpregs[i]);
+ }
+ err |= __put_user(current->thread.fpu.fcr31, &sc->sc_fpc_csr);
+
+ return err;
+}
+
+static int copy_fp_from_sigcontext32(struct sigcontext32 __user *sc)
+{
+ int i;
+ int err = 0;
+ int inc = test_thread_flag(TIF_32BIT_FPREGS) ? 2 : 1;
+ u64 fpr_val;
+
+ for (i = 0; i < NUM_FPU_REGS; i += inc) {
+ err |= __get_user(fpr_val, &sc->sc_fpregs[i]);
+ set_fpr64(¤t->thread.fpu.fpr[i], 0, fpr_val);
+ }
+ err |= __get_user(current->thread.fpu.fcr31, &sc->sc_fpc_csr);
+
+ return err;
+}
+
+/*
+ * These functions will save only the upper 64 bits of the vector registers,
+ * since the lower 64 bits have already been saved as the scalar FP context.
+ */
+static int copy_msa_to_sigcontext32(struct sigcontext32 __user *sc)
+{
+ int i;
+ int err = 0;
+
+ for (i = 0; i < NUM_FPU_REGS; i++) {
+ err |=
+ __put_user(get_fpr64(¤t->thread.fpu.fpr[i], 1),
+ &sc->sc_msaregs[i]);
+ }
+ err |= __put_user(current->thread.fpu.msacsr, &sc->sc_msa_csr);
+
+ return err;
+}
+
+static int copy_msa_from_sigcontext32(struct sigcontext32 __user *sc)
+{
+ int i;
+ int err = 0;
+ u64 val;
+
+ for (i = 0; i < NUM_FPU_REGS; i++) {
+ err |= __get_user(val, &sc->sc_msaregs[i]);
+ set_fpr64(¤t->thread.fpu.fpr[i], 1, val);
+ }
+ err |= __get_user(current->thread.fpu.msacsr, &sc->sc_msa_csr);
+
+ return err;
+}
+
+/*
* sigcontext handlers
*/
-static int protected_save_fp_context32(struct sigcontext32 __user *sc)
+static int protected_save_fp_context32(struct sigcontext32 __user *sc,
+ unsigned used_math)
{
int err;
+ bool save_msa = cpu_has_msa && (used_math & USEDMATH_MSA);
while (1) {
lock_fpu_owner();
- err = own_fpu_inatomic(1);
- if (!err)
- err = save_fp_context32(sc); /* this might fail */
- unlock_fpu_owner();
+ if (is_fpu_owner()) {
+ err = save_fp_context32(sc);
+ if (save_msa && !err)
+ err = _save_msa_context32(sc);
+ unlock_fpu_owner();
+ } else {
+ unlock_fpu_owner();
+ err = copy_fp_to_sigcontext32(sc);
+ if (save_msa && !err)
+ err = copy_msa_to_sigcontext32(sc);
+ }
if (likely(!err))
break;
/* touch the sigcontext and try again */
@@ -101,15 +181,29 @@
return err;
}
-static int protected_restore_fp_context32(struct sigcontext32 __user *sc)
+static int protected_restore_fp_context32(struct sigcontext32 __user *sc,
+ unsigned used_math)
{
int err, tmp __maybe_unused;
+ bool restore_msa = cpu_has_msa && (used_math & USEDMATH_MSA);
while (1) {
lock_fpu_owner();
- err = own_fpu_inatomic(0);
- if (!err)
- err = restore_fp_context32(sc); /* this might fail */
- unlock_fpu_owner();
+ if (is_fpu_owner()) {
+ err = restore_fp_context32(sc);
+ if (restore_msa && !err) {
+ enable_msa();
+ err = _restore_msa_context32(sc);
+ } else {
+ /* signal handler may have used MSA */
+ disable_msa();
+ }
+ unlock_fpu_owner();
+ } else {
+ unlock_fpu_owner();
+ err = copy_fp_from_sigcontext32(sc);
+ if (restore_msa && !err)
+ err = copy_msa_from_sigcontext32(sc);
+ }
if (likely(!err))
break;
/* touch the sigcontext and try again */
@@ -147,7 +241,8 @@
err |= __put_user(mflo3(), &sc->sc_lo3);
}
- used_math = !!used_math();
+ used_math = used_math() ? USEDMATH_FP : 0;
+ used_math |= thread_msa_context_live() ? USEDMATH_MSA : 0;
err |= __put_user(used_math, &sc->sc_used_math);
if (used_math) {
@@ -155,20 +250,21 @@
* Save FPU state to signal context. Signal handler
* will "inherit" current FPU state.
*/
- err |= protected_save_fp_context32(sc);
+ err |= protected_save_fp_context32(sc, used_math);
}
return err;
}
static int
-check_and_restore_fp_context32(struct sigcontext32 __user *sc)
+check_and_restore_fp_context32(struct sigcontext32 __user *sc,
+ unsigned used_math)
{
int err, sig;
err = sig = fpcsr_pending(&sc->sc_fpc_csr);
if (err > 0)
err = 0;
- err |= protected_restore_fp_context32(sc);
+ err |= protected_restore_fp_context32(sc, used_math);
return err ?: sig;
}
@@ -205,9 +301,10 @@
if (used_math) {
/* restore fpu context if we have used it before */
if (!err)
- err = check_and_restore_fp_context32(sc);
+ err = check_and_restore_fp_context32(sc, used_math);
} else {
- /* signal handler may have used FPU. Give it up. */
+ /* signal handler may have used FPU or MSA. Disable them. */
+ disable_msa();
lose_fpu(0);
}
@@ -566,8 +663,8 @@
save_fp_context32 = _save_fp_context32;
restore_fp_context32 = _restore_fp_context32;
} else {
- save_fp_context32 = fpu_emulator_save_context32;
- restore_fp_context32 = fpu_emulator_restore_context32;
+ save_fp_context32 = copy_fp_to_sigcontext32;
+ restore_fp_context32 = copy_fp_from_sigcontext32;
}
return 0;
diff --git a/arch/mips/kernel/smp-cmp.c b/arch/mips/kernel/smp-cmp.c
index 1b925d8..3ef55fb7 100644
--- a/arch/mips/kernel/smp-cmp.c
+++ b/arch/mips/kernel/smp-cmp.c
@@ -39,57 +39,9 @@
#include <asm/amon.h>
#include <asm/gic.h>
-static void ipi_call_function(unsigned int cpu)
-{
- pr_debug("CPU%d: %s cpu %d status %08x\n",
- smp_processor_id(), __func__, cpu, read_c0_status());
-
- gic_send_ipi(plat_ipi_call_int_xlate(cpu));
-}
-
-
-static void ipi_resched(unsigned int cpu)
-{
- pr_debug("CPU%d: %s cpu %d status %08x\n",
- smp_processor_id(), __func__, cpu, read_c0_status());
-
- gic_send_ipi(plat_ipi_resched_int_xlate(cpu));
-}
-
-/*
- * FIXME: This isn't restricted to CMP
- * The SMVP kernel could use GIC interrupts if available
- */
-void cmp_send_ipi_single(int cpu, unsigned int action)
-{
- unsigned long flags;
-
- local_irq_save(flags);
-
- switch (action) {
- case SMP_CALL_FUNCTION:
- ipi_call_function(cpu);
- break;
-
- case SMP_RESCHEDULE_YOURSELF:
- ipi_resched(cpu);
- break;
- }
-
- local_irq_restore(flags);
-}
-
-static void cmp_send_ipi_mask(const struct cpumask *mask, unsigned int action)
-{
- unsigned int i;
-
- for_each_cpu(i, mask)
- cmp_send_ipi_single(i, action);
-}
-
static void cmp_init_secondary(void)
{
- struct cpuinfo_mips *c = ¤t_cpu_data;
+ struct cpuinfo_mips *c __maybe_unused = ¤t_cpu_data;
/* Assume GIC is present */
change_c0_status(ST0_IM, STATUSF_IP3 | STATUSF_IP4 | STATUSF_IP6 |
@@ -97,7 +49,6 @@
/* Enable per-cpu interrupts: platform specific */
- c->core = (read_c0_ebase() >> 1) & 0x1ff;
#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_MIPS_MT_SMTC)
if (cpu_has_mipsmt)
c->vpe_id = (read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) &
@@ -210,8 +161,8 @@
}
struct plat_smp_ops cmp_smp_ops = {
- .send_ipi_single = cmp_send_ipi_single,
- .send_ipi_mask = cmp_send_ipi_mask,
+ .send_ipi_single = gic_send_ipi_single,
+ .send_ipi_mask = gic_send_ipi_mask,
.init_secondary = cmp_init_secondary,
.smp_finish = cmp_smp_finish,
.cpus_done = cmp_cpus_done,
diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c
new file mode 100644
index 0000000..536eec0
--- /dev/null
+++ b/arch/mips/kernel/smp-cps.c
@@ -0,0 +1,335 @@
+/*
+ * Copyright (C) 2013 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/io.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/smp.h>
+#include <linux/types.h>
+
+#include <asm/cacheflush.h>
+#include <asm/gic.h>
+#include <asm/mips-cm.h>
+#include <asm/mips-cpc.h>
+#include <asm/mips_mt.h>
+#include <asm/mipsregs.h>
+#include <asm/smp-cps.h>
+#include <asm/time.h>
+#include <asm/uasm.h>
+
+static DECLARE_BITMAP(core_power, NR_CPUS);
+
+struct boot_config mips_cps_bootcfg;
+
+static void init_core(void)
+{
+ unsigned int nvpes, t;
+ u32 mvpconf0, vpeconf0, vpecontrol, tcstatus, tcbind, status;
+
+ if (!cpu_has_mipsmt)
+ return;
+
+ /* Enter VPE configuration state */
+ dvpe();
+ set_c0_mvpcontrol(MVPCONTROL_VPC);
+
+ /* Retrieve the count of VPEs in this core */
+ mvpconf0 = read_c0_mvpconf0();
+ nvpes = ((mvpconf0 & MVPCONF0_PVPE) >> MVPCONF0_PVPE_SHIFT) + 1;
+ smp_num_siblings = nvpes;
+
+ for (t = 1; t < nvpes; t++) {
+ /* Use a 1:1 mapping of TC index to VPE index */
+ settc(t);
+
+ /* Bind 1 TC to this VPE */
+ tcbind = read_tc_c0_tcbind();
+ tcbind &= ~TCBIND_CURVPE;
+ tcbind |= t << TCBIND_CURVPE_SHIFT;
+ write_tc_c0_tcbind(tcbind);
+
+ /* Set exclusive TC, non-active, master */
+ vpeconf0 = read_vpe_c0_vpeconf0();
+ vpeconf0 &= ~(VPECONF0_XTC | VPECONF0_VPA);
+ vpeconf0 |= t << VPECONF0_XTC_SHIFT;
+ vpeconf0 |= VPECONF0_MVP;
+ write_vpe_c0_vpeconf0(vpeconf0);
+
+ /* Declare TC non-active, non-allocatable & interrupt exempt */
+ tcstatus = read_tc_c0_tcstatus();
+ tcstatus &= ~(TCSTATUS_A | TCSTATUS_DA);
+ tcstatus |= TCSTATUS_IXMT;
+ write_tc_c0_tcstatus(tcstatus);
+
+ /* Halt the TC */
+ write_tc_c0_tchalt(TCHALT_H);
+
+ /* Allow only 1 TC to execute */
+ vpecontrol = read_vpe_c0_vpecontrol();
+ vpecontrol &= ~VPECONTROL_TE;
+ write_vpe_c0_vpecontrol(vpecontrol);
+
+ /* Copy (most of) Status from VPE 0 */
+ status = read_c0_status();
+ status &= ~(ST0_IM | ST0_IE | ST0_KSU);
+ status |= ST0_CU0;
+ write_vpe_c0_status(status);
+
+ /* Copy Config from VPE 0 */
+ write_vpe_c0_config(read_c0_config());
+ write_vpe_c0_config7(read_c0_config7());
+
+ /* Ensure no software interrupts are pending */
+ write_vpe_c0_cause(0);
+
+ /* Sync Count */
+ write_vpe_c0_count(read_c0_count());
+ }
+
+ /* Leave VPE configuration state */
+ clear_c0_mvpcontrol(MVPCONTROL_VPC);
+}
+
+static void __init cps_smp_setup(void)
+{
+ unsigned int ncores, nvpes, core_vpes;
+ int c, v;
+ u32 core_cfg, *entry_code;
+
+ /* Detect & record VPE topology */
+ ncores = mips_cm_numcores();
+ pr_info("VPE topology ");
+ for (c = nvpes = 0; c < ncores; c++) {
+ if (cpu_has_mipsmt && config_enabled(CONFIG_MIPS_MT_SMP)) {
+ write_gcr_cl_other(c << CM_GCR_Cx_OTHER_CORENUM_SHF);
+ core_cfg = read_gcr_co_config();
+ core_vpes = ((core_cfg & CM_GCR_Cx_CONFIG_PVPE_MSK) >>
+ CM_GCR_Cx_CONFIG_PVPE_SHF) + 1;
+ } else {
+ core_vpes = 1;
+ }
+
+ pr_cont("%c%u", c ? ',' : '{', core_vpes);
+
+ for (v = 0; v < min_t(int, core_vpes, NR_CPUS - nvpes); v++) {
+ cpu_data[nvpes + v].core = c;
+#ifdef CONFIG_MIPS_MT_SMP
+ cpu_data[nvpes + v].vpe_id = v;
+#endif
+ }
+
+ nvpes += core_vpes;
+ }
+ pr_cont("} total %u\n", nvpes);
+
+ /* Indicate present CPUs (CPU being synonymous with VPE) */
+ for (v = 0; v < min_t(unsigned, nvpes, NR_CPUS); v++) {
+ set_cpu_possible(v, true);
+ set_cpu_present(v, true);
+ __cpu_number_map[v] = v;
+ __cpu_logical_map[v] = v;
+ }
+
+ /* Core 0 is powered up (we're running on it) */
+ bitmap_set(core_power, 0, 1);
+
+ /* Disable MT - we only want to run 1 TC per VPE */
+ if (cpu_has_mipsmt)
+ dmt();
+
+ /* Initialise core 0 */
+ init_core();
+
+ /* Patch the start of mips_cps_core_entry to provide the CM base */
+ entry_code = (u32 *)&mips_cps_core_entry;
+ UASM_i_LA(&entry_code, 3, (long)mips_cm_base);
+
+ /* Make core 0 coherent with everything */
+ write_gcr_cl_coherence(0xff);
+}
+
+static void __init cps_prepare_cpus(unsigned int max_cpus)
+{
+ mips_mt_set_cpuoptions();
+}
+
+static void boot_core(struct boot_config *cfg)
+{
+ u32 access;
+
+ /* Select the appropriate core */
+ write_gcr_cl_other(cfg->core << CM_GCR_Cx_OTHER_CORENUM_SHF);
+
+ /* Set its reset vector */
+ write_gcr_co_reset_base(CKSEG1ADDR((unsigned long)mips_cps_core_entry));
+
+ /* Ensure its coherency is disabled */
+ write_gcr_co_coherence(0);
+
+ /* Ensure the core can access the GCRs */
+ access = read_gcr_access();
+ access |= 1 << (CM_GCR_ACCESS_ACCESSEN_SHF + cfg->core);
+ write_gcr_access(access);
+
+ /* Copy cfg */
+ mips_cps_bootcfg = *cfg;
+
+ if (mips_cpc_present()) {
+ /* Select the appropriate core */
+ write_cpc_cl_other(cfg->core << CPC_Cx_OTHER_CORENUM_SHF);
+
+ /* Reset the core */
+ write_cpc_co_cmd(CPC_Cx_CMD_RESET);
+ } else {
+ /* Take the core out of reset */
+ write_gcr_co_reset_release(0);
+ }
+
+ /* The core is now powered up */
+ bitmap_set(core_power, cfg->core, 1);
+}
+
+static void boot_vpe(void *info)
+{
+ struct boot_config *cfg = info;
+ u32 tcstatus, vpeconf0;
+
+ /* Enter VPE configuration state */
+ dvpe();
+ set_c0_mvpcontrol(MVPCONTROL_VPC);
+
+ settc(cfg->vpe);
+
+ /* Set the TC restart PC */
+ write_tc_c0_tcrestart((unsigned long)&smp_bootstrap);
+
+ /* Activate the TC, allow interrupts */
+ tcstatus = read_tc_c0_tcstatus();
+ tcstatus &= ~TCSTATUS_IXMT;
+ tcstatus |= TCSTATUS_A;
+ write_tc_c0_tcstatus(tcstatus);
+
+ /* Clear the TC halt bit */
+ write_tc_c0_tchalt(0);
+
+ /* Activate the VPE */
+ vpeconf0 = read_vpe_c0_vpeconf0();
+ vpeconf0 |= VPECONF0_VPA;
+ write_vpe_c0_vpeconf0(vpeconf0);
+
+ /* Set the stack & global pointer registers */
+ write_tc_gpr_sp(cfg->sp);
+ write_tc_gpr_gp(cfg->gp);
+
+ /* Leave VPE configuration state */
+ clear_c0_mvpcontrol(MVPCONTROL_VPC);
+
+ /* Enable other VPEs to execute */
+ evpe(EVPE_ENABLE);
+}
+
+static void cps_boot_secondary(int cpu, struct task_struct *idle)
+{
+ struct boot_config cfg;
+ unsigned int remote;
+ int err;
+
+ cfg.core = cpu_data[cpu].core;
+ cfg.vpe = cpu_vpe_id(&cpu_data[cpu]);
+ cfg.pc = (unsigned long)&smp_bootstrap;
+ cfg.sp = __KSTK_TOS(idle);
+ cfg.gp = (unsigned long)task_thread_info(idle);
+
+ if (!test_bit(cfg.core, core_power)) {
+ /* Boot a VPE on a powered down core */
+ boot_core(&cfg);
+ return;
+ }
+
+ if (cfg.core != current_cpu_data.core) {
+ /* Boot a VPE on another powered up core */
+ for (remote = 0; remote < NR_CPUS; remote++) {
+ if (cpu_data[remote].core != cfg.core)
+ continue;
+ if (cpu_online(remote))
+ break;
+ }
+ BUG_ON(remote >= NR_CPUS);
+
+ err = smp_call_function_single(remote, boot_vpe, &cfg, 1);
+ if (err)
+ panic("Failed to call remote CPU\n");
+ return;
+ }
+
+ BUG_ON(!cpu_has_mipsmt);
+
+ /* Boot a VPE on this core */
+ boot_vpe(&cfg);
+}
+
+static void cps_init_secondary(void)
+{
+ /* Disable MT - we only want to run 1 TC per VPE */
+ if (cpu_has_mipsmt)
+ dmt();
+
+ /* TODO: revisit this assumption once hotplug is implemented */
+ if (cpu_vpe_id(¤t_cpu_data) == 0)
+ init_core();
+
+ change_c0_status(ST0_IM, STATUSF_IP3 | STATUSF_IP4 |
+ STATUSF_IP6 | STATUSF_IP7);
+}
+
+static void cps_smp_finish(void)
+{
+ write_c0_compare(read_c0_count() + (8 * mips_hpt_frequency / HZ));
+
+#ifdef CONFIG_MIPS_MT_FPAFF
+ /* If we have an FPU, enroll ourselves in the FPU-full mask */
+ if (cpu_has_fpu)
+ cpu_set(smp_processor_id(), mt_fpu_cpumask);
+#endif /* CONFIG_MIPS_MT_FPAFF */
+
+ local_irq_enable();
+}
+
+static void cps_cpus_done(void)
+{
+}
+
+static struct plat_smp_ops cps_smp_ops = {
+ .smp_setup = cps_smp_setup,
+ .prepare_cpus = cps_prepare_cpus,
+ .boot_secondary = cps_boot_secondary,
+ .init_secondary = cps_init_secondary,
+ .smp_finish = cps_smp_finish,
+ .send_ipi_single = gic_send_ipi_single,
+ .send_ipi_mask = gic_send_ipi_mask,
+ .cpus_done = cps_cpus_done,
+};
+
+int register_cps_smp_ops(void)
+{
+ if (!mips_cm_present()) {
+ pr_warn("MIPS CPS SMP unable to proceed without a CM\n");
+ return -ENODEV;
+ }
+
+ /* check we have a GIC - we need one for IPIs */
+ if (!(read_gcr_gic_status() & CM_GCR_GIC_STATUS_EX_MSK)) {
+ pr_warn("MIPS CPS SMP unable to proceed without a GIC\n");
+ return -ENODEV;
+ }
+
+ register_smp_ops(&cps_smp_ops);
+ return 0;
+}
diff --git a/arch/mips/kernel/smp-gic.c b/arch/mips/kernel/smp-gic.c
new file mode 100644
index 0000000..3bb1f92
--- /dev/null
+++ b/arch/mips/kernel/smp-gic.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2013 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.com>
+ *
+ * Based on smp-cmp.c:
+ * Copyright (C) 2007 MIPS Technologies, Inc.
+ * Author: Chris Dearman (chris@mips.com)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/printk.h>
+
+#include <asm/gic.h>
+#include <asm/smp-ops.h>
+
+void gic_send_ipi_single(int cpu, unsigned int action)
+{
+ unsigned long flags;
+ unsigned int intr;
+
+ pr_debug("CPU%d: %s cpu %d action %u status %08x\n",
+ smp_processor_id(), __func__, cpu, action, read_c0_status());
+
+ local_irq_save(flags);
+
+ switch (action) {
+ case SMP_CALL_FUNCTION:
+ intr = plat_ipi_call_int_xlate(cpu);
+ break;
+
+ case SMP_RESCHEDULE_YOURSELF:
+ intr = plat_ipi_resched_int_xlate(cpu);
+ break;
+
+ default:
+ BUG();
+ }
+
+ gic_send_ipi(intr);
+ local_irq_restore(flags);
+}
+
+void gic_send_ipi_mask(const struct cpumask *mask, unsigned int action)
+{
+ unsigned int i;
+
+ for_each_cpu(i, mask)
+ gic_send_ipi_single(i, action);
+}
diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c
index 0fb8cef..f8e1314 100644
--- a/arch/mips/kernel/smp-mt.c
+++ b/arch/mips/kernel/smp-mt.c
@@ -113,27 +113,6 @@
write_tc_c0_tchalt(TCHALT_H);
}
-#ifdef CONFIG_IRQ_GIC
-static void mp_send_ipi_single(int cpu, unsigned int action)
-{
- unsigned long flags;
-
- local_irq_save(flags);
-
- switch (action) {
- case SMP_CALL_FUNCTION:
- gic_send_ipi(plat_ipi_call_int_xlate(cpu));
- break;
-
- case SMP_RESCHEDULE_YOURSELF:
- gic_send_ipi(plat_ipi_resched_int_xlate(cpu));
- break;
- }
-
- local_irq_restore(flags);
-}
-#endif
-
static void vsmp_send_ipi_single(int cpu, unsigned int action)
{
int i;
@@ -142,7 +121,7 @@
#ifdef CONFIG_IRQ_GIC
if (gic_present) {
- mp_send_ipi_single(cpu, action);
+ gic_send_ipi_single(cpu, action);
return;
}
#endif
@@ -313,3 +292,25 @@
.smp_setup = vsmp_smp_setup,
.prepare_cpus = vsmp_prepare_cpus,
};
+
+static int proc_cpuinfo_chain_call(struct notifier_block *nfb,
+ unsigned long action_unused, void *data)
+{
+ struct proc_cpuinfo_notifier_args *pcn = data;
+ struct seq_file *m = pcn->m;
+ unsigned long n = pcn->n;
+
+ if (!cpu_has_mipsmt)
+ return NOTIFY_OK;
+
+ seq_printf(m, "VPE\t\t\t: %d\n", cpu_data[n].vpe_id);
+
+ return NOTIFY_OK;
+}
+
+static int __init proc_cpuinfo_notifier_init(void)
+{
+ return proc_cpuinfo_notifier(proc_cpuinfo_chain_call, 0);
+}
+
+subsys_initcall(proc_cpuinfo_notifier_init);
diff --git a/arch/mips/kernel/smtc-proc.c b/arch/mips/kernel/smtc-proc.c
index c10aa84..38635a9 100644
--- a/arch/mips/kernel/smtc-proc.c
+++ b/arch/mips/kernel/smtc-proc.c
@@ -77,3 +77,26 @@
proc_create("smtc", 0444, NULL, &smtc_proc_fops);
}
+
+static int proc_cpuinfo_chain_call(struct notifier_block *nfb,
+ unsigned long action_unused, void *data)
+{
+ struct proc_cpuinfo_notifier_args *pcn = data;
+ struct seq_file *m = pcn->m;
+ unsigned long n = pcn->n;
+
+ if (!cpu_has_mipsmt)
+ return NOTIFY_OK;
+
+ seq_printf(m, "VPE\t\t\t: %d\n", cpu_data[n].vpe_id);
+ seq_printf(m, "TC\t\t\t: %d\n", cpu_data[n].tc_id);
+
+ return NOTIFY_OK;
+}
+
+static int __init proc_cpuinfo_notifier_init(void)
+{
+ return proc_cpuinfo_notifier(proc_cpuinfo_chain_call, 0);
+}
+
+subsys_initcall(proc_cpuinfo_notifier_init);
diff --git a/arch/mips/kernel/spram.c b/arch/mips/kernel/spram.c
index b242e2c..67f2495 100644
--- a/arch/mips/kernel/spram.c
+++ b/arch/mips/kernel/spram.c
@@ -197,16 +197,17 @@
}
void spram_config(void)
{
- struct cpuinfo_mips *c = ¤t_cpu_data;
unsigned int config0;
- switch (c->cputype) {
+ switch (current_cpu_type()) {
case CPU_24K:
case CPU_34K:
case CPU_74K:
case CPU_1004K:
+ case CPU_1074K:
case CPU_INTERAPTIV:
case CPU_PROAPTIV:
+ case CPU_P5600:
config0 = read_c0_config();
/* FIXME: addresses are Malta specific */
if (config0 & (1<<24)) {
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index b79d13f..4a4f9dd 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -110,7 +110,7 @@
if (cpu_has_llsc && R10000_LLSC_WAR) {
__asm__ __volatile__ (
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" li %[err], 0 \n"
"1: ll %[old], (%[addr]) \n"
" move %[tmp], %[new] \n"
@@ -135,7 +135,7 @@
: "memory");
} else if (cpu_has_llsc) {
__asm__ __volatile__ (
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" li %[err], 0 \n"
"1: ll %[old], (%[addr]) \n"
" move %[tmp], %[new] \n"
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index e0b4996..074e857 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -10,6 +10,7 @@
* Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
* Copyright (C) 2002, 2003, 2004, 2005, 2007 Maciej W. Rozycki
* Copyright (C) 2000, 2001, 2012 MIPS Technologies, Inc. All rights reserved.
+ * Copyright (C) 2014, Imagination Technologies Ltd.
*/
#include <linux/bug.h>
#include <linux/compiler.h>
@@ -47,6 +48,7 @@
#include <asm/mipsregs.h>
#include <asm/mipsmtregs.h>
#include <asm/module.h>
+#include <asm/msa.h>
#include <asm/pgtable.h>
#include <asm/ptrace.h>
#include <asm/sections.h>
@@ -77,8 +79,10 @@
extern asmlinkage void handle_cpu(void);
extern asmlinkage void handle_ov(void);
extern asmlinkage void handle_tr(void);
+extern asmlinkage void handle_msa_fpe(void);
extern asmlinkage void handle_fpe(void);
extern asmlinkage void handle_ftlb(void);
+extern asmlinkage void handle_msa(void);
extern asmlinkage void handle_mdmx(void);
extern asmlinkage void handle_watch(void);
extern asmlinkage void handle_mt(void);
@@ -861,6 +865,11 @@
enum ctx_state prev_state;
unsigned long epc;
u16 instr[2];
+ mm_segment_t seg;
+
+ seg = get_fs();
+ if (!user_mode(regs))
+ set_fs(KERNEL_DS);
prev_state = exception_enter();
if (get_isa16_mode(regs->cp0_epc)) {
@@ -870,17 +879,19 @@
if ((__get_user(instr[0], (u16 __user *)msk_isa16_mode(epc)) ||
(__get_user(instr[1], (u16 __user *)msk_isa16_mode(epc + 2)))))
goto out_sigsegv;
- opcode = (instr[0] << 16) | instr[1];
+ opcode = (instr[0] << 16) | instr[1];
} else {
- /* MIPS16e mode */
- if (__get_user(instr[0], (u16 __user *)msk_isa16_mode(epc)))
+ /* MIPS16e mode */
+ if (__get_user(instr[0],
+ (u16 __user *)msk_isa16_mode(epc)))
goto out_sigsegv;
- bcode = (instr[0] >> 6) & 0x3f;
- do_trap_or_bp(regs, bcode, "Break");
- goto out;
+ bcode = (instr[0] >> 6) & 0x3f;
+ do_trap_or_bp(regs, bcode, "Break");
+ goto out;
}
} else {
- if (__get_user(opcode, (unsigned int __user *) exception_epc(regs)))
+ if (__get_user(opcode,
+ (unsigned int __user *) exception_epc(regs)))
goto out_sigsegv;
}
@@ -918,6 +929,7 @@
do_trap_or_bp(regs, bcode, "Break");
out:
+ set_fs(seg);
exception_exit(prev_state);
return;
@@ -931,8 +943,13 @@
u32 opcode, tcode = 0;
enum ctx_state prev_state;
u16 instr[2];
+ mm_segment_t seg;
unsigned long epc = msk_isa16_mode(exception_epc(regs));
+ seg = get_fs();
+ if (!user_mode(regs))
+ set_fs(get_ds());
+
prev_state = exception_enter();
if (get_isa16_mode(regs->cp0_epc)) {
if (__get_user(instr[0], (u16 __user *)(epc + 0)) ||
@@ -953,6 +970,7 @@
do_trap_or_bp(regs, tcode, "Trap");
out:
+ set_fs(seg);
exception_exit(prev_state);
return;
@@ -1074,6 +1092,76 @@
return NOTIFY_OK;
}
+static int enable_restore_fp_context(int msa)
+{
+ int err, was_fpu_owner;
+
+ if (!used_math()) {
+ /* First time FP context user. */
+ err = init_fpu();
+ if (msa && !err)
+ enable_msa();
+ if (!err)
+ set_used_math();
+ return err;
+ }
+
+ /*
+ * This task has formerly used the FP context.
+ *
+ * If this thread has no live MSA vector context then we can simply
+ * restore the scalar FP context. If it has live MSA vector context
+ * (that is, it has or may have used MSA since last performing a
+ * function call) then we'll need to restore the vector context. This
+ * applies even if we're currently only executing a scalar FP
+ * instruction. This is because if we were to later execute an MSA
+ * instruction then we'd either have to:
+ *
+ * - Restore the vector context & clobber any registers modified by
+ * scalar FP instructions between now & then.
+ *
+ * or
+ *
+ * - Not restore the vector context & lose the most significant bits
+ * of all vector registers.
+ *
+ * Neither of those options is acceptable. We cannot restore the least
+ * significant bits of the registers now & only restore the most
+ * significant bits later because the most significant bits of any
+ * vector registers whose aliased FP register is modified now will have
+ * been zeroed. We'd have no way to know that when restoring the vector
+ * context & thus may load an outdated value for the most significant
+ * bits of a vector register.
+ */
+ if (!msa && !thread_msa_context_live())
+ return own_fpu(1);
+
+ /*
+ * This task is using or has previously used MSA. Thus we require
+ * that Status.FR == 1.
+ */
+ was_fpu_owner = is_fpu_owner();
+ err = own_fpu(0);
+ if (err)
+ return err;
+
+ enable_msa();
+ write_msa_csr(current->thread.fpu.msacsr);
+ set_thread_flag(TIF_USEDMSA);
+
+ /*
+ * If this is the first time that the task is using MSA and it has
+ * previously used scalar FP in this time slice then we already nave
+ * FP context which we shouldn't clobber.
+ */
+ if (!test_and_set_thread_flag(TIF_MSA_CTX_LIVE) && was_fpu_owner)
+ return 0;
+
+ /* We need to restore the vector context. */
+ restore_msa(current);
+ return 0;
+}
+
asmlinkage void do_cpu(struct pt_regs *regs)
{
enum ctx_state prev_state;
@@ -1153,12 +1241,7 @@
/* Fall through. */
case 1:
- if (used_math()) /* Using the FPU again. */
- err = own_fpu(1);
- else { /* First time FPU user. */
- err = init_fpu();
- set_used_math();
- }
+ err = enable_restore_fp_context(0);
if (!raw_cpu_has_fpu || err) {
int sig;
@@ -1183,6 +1266,37 @@
exception_exit(prev_state);
}
+asmlinkage void do_msa_fpe(struct pt_regs *regs)
+{
+ enum ctx_state prev_state;
+
+ prev_state = exception_enter();
+ die_if_kernel("do_msa_fpe invoked from kernel context!", regs);
+ force_sig(SIGFPE, current);
+ exception_exit(prev_state);
+}
+
+asmlinkage void do_msa(struct pt_regs *regs)
+{
+ enum ctx_state prev_state;
+ int err;
+
+ prev_state = exception_enter();
+
+ if (!cpu_has_msa || test_thread_flag(TIF_32BIT_FPREGS)) {
+ force_sig(SIGILL, current);
+ goto out;
+ }
+
+ die_if_kernel("do_msa invoked from kernel context!", regs);
+
+ err = enable_restore_fp_context(1);
+ if (err)
+ force_sig(SIGILL, current);
+out:
+ exception_exit(prev_state);
+}
+
asmlinkage void do_mdmx(struct pt_regs *regs)
{
enum ctx_state prev_state;
@@ -1337,8 +1451,10 @@
case CPU_34K:
case CPU_74K:
case CPU_1004K:
+ case CPU_1074K:
case CPU_INTERAPTIV:
case CPU_PROAPTIV:
+ case CPU_P5600:
{
#define ERRCTL_PE 0x80000000
#define ERRCTL_L2P 0x00800000
@@ -2017,6 +2133,7 @@
set_except_vector(11, handle_cpu);
set_except_vector(12, handle_ov);
set_except_vector(13, handle_tr);
+ set_except_vector(14, handle_msa_fpe);
if (current_cpu_type() == CPU_R6000 ||
current_cpu_type() == CPU_R6000A) {
@@ -2040,6 +2157,7 @@
set_except_vector(15, handle_fpe);
set_except_vector(16, handle_ftlb);
+ set_except_vector(21, handle_msa);
set_except_vector(22, handle_mdmx);
if (cpu_has_mcheck)
diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c
index c369a5d..2b35172 100644
--- a/arch/mips/kernel/unaligned.c
+++ b/arch/mips/kernel/unaligned.c
@@ -7,6 +7,7 @@
*
* Copyright (C) 1996, 1998, 1999, 2002 by Ralf Baechle
* Copyright (C) 1999 Silicon Graphics, Inc.
+ * Copyright (C) 2014 Imagination Technologies Ltd.
*
* This file contains exception handler for address error exception with the
* special capability to execute faulting instructions in software. The
@@ -110,8 +111,8 @@
#ifdef __BIG_ENDIAN
#define LoadHW(addr, value, res) \
__asm__ __volatile__ (".set\tnoat\n" \
- "1:\tlb\t%0, 0(%2)\n" \
- "2:\tlbu\t$1, 1(%2)\n\t" \
+ "1:\t"user_lb("%0", "0(%2)")"\n" \
+ "2:\t"user_lbu("$1", "1(%2)")"\n\t" \
"sll\t%0, 0x8\n\t" \
"or\t%0, $1\n\t" \
"li\t%1, 0\n" \
@@ -130,8 +131,8 @@
#define LoadW(addr, value, res) \
__asm__ __volatile__ ( \
- "1:\tlwl\t%0, (%2)\n" \
- "2:\tlwr\t%0, 3(%2)\n\t" \
+ "1:\t"user_lwl("%0", "(%2)")"\n" \
+ "2:\t"user_lwr("%0", "3(%2)")"\n\t" \
"li\t%1, 0\n" \
"3:\n\t" \
".insn\n\t" \
@@ -149,8 +150,8 @@
#define LoadHWU(addr, value, res) \
__asm__ __volatile__ ( \
".set\tnoat\n" \
- "1:\tlbu\t%0, 0(%2)\n" \
- "2:\tlbu\t$1, 1(%2)\n\t" \
+ "1:\t"user_lbu("%0", "0(%2)")"\n" \
+ "2:\t"user_lbu("$1", "1(%2)")"\n\t" \
"sll\t%0, 0x8\n\t" \
"or\t%0, $1\n\t" \
"li\t%1, 0\n" \
@@ -170,8 +171,8 @@
#define LoadWU(addr, value, res) \
__asm__ __volatile__ ( \
- "1:\tlwl\t%0, (%2)\n" \
- "2:\tlwr\t%0, 3(%2)\n\t" \
+ "1:\t"user_lwl("%0", "(%2)")"\n" \
+ "2:\t"user_lwr("%0", "3(%2)")"\n\t" \
"dsll\t%0, %0, 32\n\t" \
"dsrl\t%0, %0, 32\n\t" \
"li\t%1, 0\n" \
@@ -209,9 +210,9 @@
#define StoreHW(addr, value, res) \
__asm__ __volatile__ ( \
".set\tnoat\n" \
- "1:\tsb\t%1, 1(%2)\n\t" \
+ "1:\t"user_sb("%1", "1(%2)")"\n" \
"srl\t$1, %1, 0x8\n" \
- "2:\tsb\t$1, 0(%2)\n\t" \
+ "2:\t"user_sb("$1", "0(%2)")"\n" \
".set\tat\n\t" \
"li\t%0, 0\n" \
"3:\n\t" \
@@ -229,8 +230,8 @@
#define StoreW(addr, value, res) \
__asm__ __volatile__ ( \
- "1:\tswl\t%1,(%2)\n" \
- "2:\tswr\t%1, 3(%2)\n\t" \
+ "1:\t"user_swl("%1", "(%2)")"\n" \
+ "2:\t"user_swr("%1", "3(%2)")"\n\t" \
"li\t%0, 0\n" \
"3:\n\t" \
".insn\n\t" \
@@ -267,8 +268,8 @@
#ifdef __LITTLE_ENDIAN
#define LoadHW(addr, value, res) \
__asm__ __volatile__ (".set\tnoat\n" \
- "1:\tlb\t%0, 1(%2)\n" \
- "2:\tlbu\t$1, 0(%2)\n\t" \
+ "1:\t"user_lb("%0", "1(%2)")"\n" \
+ "2:\t"user_lbu("$1", "0(%2)")"\n\t" \
"sll\t%0, 0x8\n\t" \
"or\t%0, $1\n\t" \
"li\t%1, 0\n" \
@@ -287,8 +288,8 @@
#define LoadW(addr, value, res) \
__asm__ __volatile__ ( \
- "1:\tlwl\t%0, 3(%2)\n" \
- "2:\tlwr\t%0, (%2)\n\t" \
+ "1:\t"user_lwl("%0", "3(%2)")"\n" \
+ "2:\t"user_lwr("%0", "(%2)")"\n\t" \
"li\t%1, 0\n" \
"3:\n\t" \
".insn\n\t" \
@@ -306,8 +307,8 @@
#define LoadHWU(addr, value, res) \
__asm__ __volatile__ ( \
".set\tnoat\n" \
- "1:\tlbu\t%0, 1(%2)\n" \
- "2:\tlbu\t$1, 0(%2)\n\t" \
+ "1:\t"user_lbu("%0", "1(%2)")"\n" \
+ "2:\t"user_lbu("$1", "0(%2)")"\n\t" \
"sll\t%0, 0x8\n\t" \
"or\t%0, $1\n\t" \
"li\t%1, 0\n" \
@@ -327,8 +328,8 @@
#define LoadWU(addr, value, res) \
__asm__ __volatile__ ( \
- "1:\tlwl\t%0, 3(%2)\n" \
- "2:\tlwr\t%0, (%2)\n\t" \
+ "1:\t"user_lwl("%0", "3(%2)")"\n" \
+ "2:\t"user_lwr("%0", "(%2)")"\n\t" \
"dsll\t%0, %0, 32\n\t" \
"dsrl\t%0, %0, 32\n\t" \
"li\t%1, 0\n" \
@@ -366,9 +367,9 @@
#define StoreHW(addr, value, res) \
__asm__ __volatile__ ( \
".set\tnoat\n" \
- "1:\tsb\t%1, 0(%2)\n\t" \
+ "1:\t"user_sb("%1", "0(%2)")"\n" \
"srl\t$1,%1, 0x8\n" \
- "2:\tsb\t$1, 1(%2)\n\t" \
+ "2:\t"user_sb("$1", "1(%2)")"\n" \
".set\tat\n\t" \
"li\t%0, 0\n" \
"3:\n\t" \
@@ -386,8 +387,8 @@
#define StoreW(addr, value, res) \
__asm__ __volatile__ ( \
- "1:\tswl\t%1, 3(%2)\n" \
- "2:\tswr\t%1, (%2)\n\t" \
+ "1:\t"user_swl("%1", "3(%2)")"\n" \
+ "2:\t"user_swr("%1", "(%2)")"\n\t" \
"li\t%0, 0\n" \
"3:\n\t" \
".insn\n\t" \
@@ -430,7 +431,9 @@
unsigned long origpc;
unsigned long orig31;
void __user *fault_addr = NULL;
-
+#ifdef CONFIG_EVA
+ mm_segment_t seg;
+#endif
origpc = (unsigned long)pc;
orig31 = regs->regs[31];
@@ -475,6 +478,88 @@
* The remaining opcodes are the ones that are really of
* interest.
*/
+#ifdef CONFIG_EVA
+ case spec3_op:
+ /*
+ * we can land here only from kernel accessing user memory,
+ * so we need to "switch" the address limit to user space, so
+ * address check can work properly.
+ */
+ seg = get_fs();
+ set_fs(USER_DS);
+ switch (insn.spec3_format.func) {
+ case lhe_op:
+ if (!access_ok(VERIFY_READ, addr, 2)) {
+ set_fs(seg);
+ goto sigbus;
+ }
+ LoadHW(addr, value, res);
+ if (res) {
+ set_fs(seg);
+ goto fault;
+ }
+ compute_return_epc(regs);
+ regs->regs[insn.spec3_format.rt] = value;
+ break;
+ case lwe_op:
+ if (!access_ok(VERIFY_READ, addr, 4)) {
+ set_fs(seg);
+ goto sigbus;
+ }
+ LoadW(addr, value, res);
+ if (res) {
+ set_fs(seg);
+ goto fault;
+ }
+ compute_return_epc(regs);
+ regs->regs[insn.spec3_format.rt] = value;
+ break;
+ case lhue_op:
+ if (!access_ok(VERIFY_READ, addr, 2)) {
+ set_fs(seg);
+ goto sigbus;
+ }
+ LoadHWU(addr, value, res);
+ if (res) {
+ set_fs(seg);
+ goto fault;
+ }
+ compute_return_epc(regs);
+ regs->regs[insn.spec3_format.rt] = value;
+ break;
+ case she_op:
+ if (!access_ok(VERIFY_WRITE, addr, 2)) {
+ set_fs(seg);
+ goto sigbus;
+ }
+ compute_return_epc(regs);
+ value = regs->regs[insn.spec3_format.rt];
+ StoreHW(addr, value, res);
+ if (res) {
+ set_fs(seg);
+ goto fault;
+ }
+ break;
+ case swe_op:
+ if (!access_ok(VERIFY_WRITE, addr, 4)) {
+ set_fs(seg);
+ goto sigbus;
+ }
+ compute_return_epc(regs);
+ value = regs->regs[insn.spec3_format.rt];
+ StoreW(addr, value, res);
+ if (res) {
+ set_fs(seg);
+ goto fault;
+ }
+ break;
+ default:
+ set_fs(seg);
+ goto sigill;
+ }
+ set_fs(seg);
+ break;
+#endif
case lh_op:
if (!access_ok(VERIFY_READ, addr, 2))
goto sigbus;
diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c
index 638c5db..2bcd839 100644
--- a/arch/mips/lasat/picvue_proc.c
+++ b/arch/mips/lasat/picvue_proc.c
@@ -175,7 +175,7 @@
remove_proc_entry("scroll", pvc_display_dir);
remove_proc_entry(DISPLAY_DIR_NAME, NULL);
- del_timer(&timer);
+ del_timer_sync(&timer);
}
static int __init pvc_proc_init(void)
diff --git a/arch/mips/lib/csum_partial.S b/arch/mips/lib/csum_partial.S
index a6adffb..2e4825e 100644
--- a/arch/mips/lib/csum_partial.S
+++ b/arch/mips/lib/csum_partial.S
@@ -8,6 +8,7 @@
* Copyright (C) 1998, 1999 Ralf Baechle
* Copyright (C) 1999 Silicon Graphics, Inc.
* Copyright (C) 2007 Maciej W. Rozycki
+ * Copyright (C) 2014 Imagination Technologies Ltd.
*/
#include <linux/errno.h>
#include <asm/asm.h>
@@ -296,7 +297,7 @@
* checksum and copy routines based on memcpy.S
*
* csum_partial_copy_nocheck(src, dst, len, sum)
- * __csum_partial_copy_user(src, dst, len, sum, errp)
+ * __csum_partial_copy_kernel(src, dst, len, sum, errp)
*
* See "Spec" in memcpy.S for details. Unlike __copy_user, all
* function in this file use the standard calling convention.
@@ -327,20 +328,58 @@
* These handlers do not need to overwrite any data.
*/
-#define EXC(inst_reg,addr,handler) \
-9: inst_reg, addr; \
- .section __ex_table,"a"; \
- PTR 9b, handler; \
- .previous
+/* Instruction type */
+#define LD_INSN 1
+#define ST_INSN 2
+#define LEGACY_MODE 1
+#define EVA_MODE 2
+#define USEROP 1
+#define KERNELOP 2
+
+/*
+ * Wrapper to add an entry in the exception table
+ * in case the insn causes a memory exception.
+ * Arguments:
+ * insn : Load/store instruction
+ * type : Instruction type
+ * reg : Register
+ * addr : Address
+ * handler : Exception handler
+ */
+#define EXC(insn, type, reg, addr, handler) \
+ .if \mode == LEGACY_MODE; \
+9: insn reg, addr; \
+ .section __ex_table,"a"; \
+ PTR 9b, handler; \
+ .previous; \
+ /* This is enabled in EVA mode */ \
+ .else; \
+ /* If loading from user or storing to user */ \
+ .if ((\from == USEROP) && (type == LD_INSN)) || \
+ ((\to == USEROP) && (type == ST_INSN)); \
+9: __BUILD_EVA_INSN(insn##e, reg, addr); \
+ .section __ex_table,"a"; \
+ PTR 9b, handler; \
+ .previous; \
+ .else; \
+ /* EVA without exception */ \
+ insn reg, addr; \
+ .endif; \
+ .endif
+
+#undef LOAD
#ifdef USE_DOUBLE
-#define LOAD ld
-#define LOADL ldl
-#define LOADR ldr
-#define STOREL sdl
-#define STORER sdr
-#define STORE sd
+#define LOADK ld /* No exception */
+#define LOAD(reg, addr, handler) EXC(ld, LD_INSN, reg, addr, handler)
+#define LOADBU(reg, addr, handler) EXC(lbu, LD_INSN, reg, addr, handler)
+#define LOADL(reg, addr, handler) EXC(ldl, LD_INSN, reg, addr, handler)
+#define LOADR(reg, addr, handler) EXC(ldr, LD_INSN, reg, addr, handler)
+#define STOREB(reg, addr, handler) EXC(sb, ST_INSN, reg, addr, handler)
+#define STOREL(reg, addr, handler) EXC(sdl, ST_INSN, reg, addr, handler)
+#define STORER(reg, addr, handler) EXC(sdr, ST_INSN, reg, addr, handler)
+#define STORE(reg, addr, handler) EXC(sd, ST_INSN, reg, addr, handler)
#define ADD daddu
#define SUB dsubu
#define SRL dsrl
@@ -352,12 +391,15 @@
#else
-#define LOAD lw
-#define LOADL lwl
-#define LOADR lwr
-#define STOREL swl
-#define STORER swr
-#define STORE sw
+#define LOADK lw /* No exception */
+#define LOAD(reg, addr, handler) EXC(lw, LD_INSN, reg, addr, handler)
+#define LOADBU(reg, addr, handler) EXC(lbu, LD_INSN, reg, addr, handler)
+#define LOADL(reg, addr, handler) EXC(lwl, LD_INSN, reg, addr, handler)
+#define LOADR(reg, addr, handler) EXC(lwr, LD_INSN, reg, addr, handler)
+#define STOREB(reg, addr, handler) EXC(sb, ST_INSN, reg, addr, handler)
+#define STOREL(reg, addr, handler) EXC(swl, ST_INSN, reg, addr, handler)
+#define STORER(reg, addr, handler) EXC(swr, ST_INSN, reg, addr, handler)
+#define STORE(reg, addr, handler) EXC(sw, ST_INSN, reg, addr, handler)
#define ADD addu
#define SUB subu
#define SRL srl
@@ -396,14 +438,20 @@
.set at=v1
#endif
-LEAF(__csum_partial_copy_user)
+ .macro __BUILD_CSUM_PARTIAL_COPY_USER mode, from, to, __nocheck
+
PTR_ADDU AT, src, len /* See (1) above. */
+ /* initialize __nocheck if this the first time we execute this
+ * macro
+ */
#ifdef CONFIG_64BIT
move errptr, a4
#else
lw errptr, 16(sp)
#endif
-FEXPORT(csum_partial_copy_nocheck)
+ .if \__nocheck == 1
+ FEXPORT(csum_partial_copy_nocheck)
+ .endif
move sum, zero
move odd, zero
/*
@@ -419,48 +467,48 @@
*/
sltu t2, len, NBYTES
and t1, dst, ADDRMASK
- bnez t2, .Lcopy_bytes_checklen
+ bnez t2, .Lcopy_bytes_checklen\@
and t0, src, ADDRMASK
andi odd, dst, 0x1 /* odd buffer? */
- bnez t1, .Ldst_unaligned
+ bnez t1, .Ldst_unaligned\@
nop
- bnez t0, .Lsrc_unaligned_dst_aligned
+ bnez t0, .Lsrc_unaligned_dst_aligned\@
/*
* use delay slot for fall-through
* src and dst are aligned; need to compute rem
*/
-.Lboth_aligned:
+.Lboth_aligned\@:
SRL t0, len, LOG_NBYTES+3 # +3 for 8 units/iter
- beqz t0, .Lcleanup_both_aligned # len < 8*NBYTES
+ beqz t0, .Lcleanup_both_aligned\@ # len < 8*NBYTES
nop
SUB len, 8*NBYTES # subtract here for bgez loop
.align 4
1:
-EXC( LOAD t0, UNIT(0)(src), .Ll_exc)
-EXC( LOAD t1, UNIT(1)(src), .Ll_exc_copy)
-EXC( LOAD t2, UNIT(2)(src), .Ll_exc_copy)
-EXC( LOAD t3, UNIT(3)(src), .Ll_exc_copy)
-EXC( LOAD t4, UNIT(4)(src), .Ll_exc_copy)
-EXC( LOAD t5, UNIT(5)(src), .Ll_exc_copy)
-EXC( LOAD t6, UNIT(6)(src), .Ll_exc_copy)
-EXC( LOAD t7, UNIT(7)(src), .Ll_exc_copy)
+ LOAD(t0, UNIT(0)(src), .Ll_exc\@)
+ LOAD(t1, UNIT(1)(src), .Ll_exc_copy\@)
+ LOAD(t2, UNIT(2)(src), .Ll_exc_copy\@)
+ LOAD(t3, UNIT(3)(src), .Ll_exc_copy\@)
+ LOAD(t4, UNIT(4)(src), .Ll_exc_copy\@)
+ LOAD(t5, UNIT(5)(src), .Ll_exc_copy\@)
+ LOAD(t6, UNIT(6)(src), .Ll_exc_copy\@)
+ LOAD(t7, UNIT(7)(src), .Ll_exc_copy\@)
SUB len, len, 8*NBYTES
ADD src, src, 8*NBYTES
-EXC( STORE t0, UNIT(0)(dst), .Ls_exc)
+ STORE(t0, UNIT(0)(dst), .Ls_exc\@)
ADDC(sum, t0)
-EXC( STORE t1, UNIT(1)(dst), .Ls_exc)
+ STORE(t1, UNIT(1)(dst), .Ls_exc\@)
ADDC(sum, t1)
-EXC( STORE t2, UNIT(2)(dst), .Ls_exc)
+ STORE(t2, UNIT(2)(dst), .Ls_exc\@)
ADDC(sum, t2)
-EXC( STORE t3, UNIT(3)(dst), .Ls_exc)
+ STORE(t3, UNIT(3)(dst), .Ls_exc\@)
ADDC(sum, t3)
-EXC( STORE t4, UNIT(4)(dst), .Ls_exc)
+ STORE(t4, UNIT(4)(dst), .Ls_exc\@)
ADDC(sum, t4)
-EXC( STORE t5, UNIT(5)(dst), .Ls_exc)
+ STORE(t5, UNIT(5)(dst), .Ls_exc\@)
ADDC(sum, t5)
-EXC( STORE t6, UNIT(6)(dst), .Ls_exc)
+ STORE(t6, UNIT(6)(dst), .Ls_exc\@)
ADDC(sum, t6)
-EXC( STORE t7, UNIT(7)(dst), .Ls_exc)
+ STORE(t7, UNIT(7)(dst), .Ls_exc\@)
ADDC(sum, t7)
.set reorder /* DADDI_WAR */
ADD dst, dst, 8*NBYTES
@@ -471,44 +519,44 @@
/*
* len == the number of bytes left to copy < 8*NBYTES
*/
-.Lcleanup_both_aligned:
+.Lcleanup_both_aligned\@:
#define rem t7
- beqz len, .Ldone
+ beqz len, .Ldone\@
sltu t0, len, 4*NBYTES
- bnez t0, .Lless_than_4units
+ bnez t0, .Lless_than_4units\@
and rem, len, (NBYTES-1) # rem = len % NBYTES
/*
* len >= 4*NBYTES
*/
-EXC( LOAD t0, UNIT(0)(src), .Ll_exc)
-EXC( LOAD t1, UNIT(1)(src), .Ll_exc_copy)
-EXC( LOAD t2, UNIT(2)(src), .Ll_exc_copy)
-EXC( LOAD t3, UNIT(3)(src), .Ll_exc_copy)
+ LOAD(t0, UNIT(0)(src), .Ll_exc\@)
+ LOAD(t1, UNIT(1)(src), .Ll_exc_copy\@)
+ LOAD(t2, UNIT(2)(src), .Ll_exc_copy\@)
+ LOAD(t3, UNIT(3)(src), .Ll_exc_copy\@)
SUB len, len, 4*NBYTES
ADD src, src, 4*NBYTES
-EXC( STORE t0, UNIT(0)(dst), .Ls_exc)
+ STORE(t0, UNIT(0)(dst), .Ls_exc\@)
ADDC(sum, t0)
-EXC( STORE t1, UNIT(1)(dst), .Ls_exc)
+ STORE(t1, UNIT(1)(dst), .Ls_exc\@)
ADDC(sum, t1)
-EXC( STORE t2, UNIT(2)(dst), .Ls_exc)
+ STORE(t2, UNIT(2)(dst), .Ls_exc\@)
ADDC(sum, t2)
-EXC( STORE t3, UNIT(3)(dst), .Ls_exc)
+ STORE(t3, UNIT(3)(dst), .Ls_exc\@)
ADDC(sum, t3)
.set reorder /* DADDI_WAR */
ADD dst, dst, 4*NBYTES
- beqz len, .Ldone
+ beqz len, .Ldone\@
.set noreorder
-.Lless_than_4units:
+.Lless_than_4units\@:
/*
* rem = len % NBYTES
*/
- beq rem, len, .Lcopy_bytes
+ beq rem, len, .Lcopy_bytes\@
nop
1:
-EXC( LOAD t0, 0(src), .Ll_exc)
+ LOAD(t0, 0(src), .Ll_exc\@)
ADD src, src, NBYTES
SUB len, len, NBYTES
-EXC( STORE t0, 0(dst), .Ls_exc)
+ STORE(t0, 0(dst), .Ls_exc\@)
ADDC(sum, t0)
.set reorder /* DADDI_WAR */
ADD dst, dst, NBYTES
@@ -527,20 +575,20 @@
* more instruction-level parallelism.
*/
#define bits t2
- beqz len, .Ldone
+ beqz len, .Ldone\@
ADD t1, dst, len # t1 is just past last byte of dst
li bits, 8*NBYTES
SLL rem, len, 3 # rem = number of bits to keep
-EXC( LOAD t0, 0(src), .Ll_exc)
+ LOAD(t0, 0(src), .Ll_exc\@)
SUB bits, bits, rem # bits = number of bits to discard
SHIFT_DISCARD t0, t0, bits
-EXC( STREST t0, -1(t1), .Ls_exc)
+ STREST(t0, -1(t1), .Ls_exc\@)
SHIFT_DISCARD_REVERT t0, t0, bits
.set reorder
ADDC(sum, t0)
- b .Ldone
+ b .Ldone\@
.set noreorder
-.Ldst_unaligned:
+.Ldst_unaligned\@:
/*
* dst is unaligned
* t0 = src & ADDRMASK
@@ -551,25 +599,25 @@
* Set match = (src and dst have same alignment)
*/
#define match rem
-EXC( LDFIRST t3, FIRST(0)(src), .Ll_exc)
+ LDFIRST(t3, FIRST(0)(src), .Ll_exc\@)
ADD t2, zero, NBYTES
-EXC( LDREST t3, REST(0)(src), .Ll_exc_copy)
+ LDREST(t3, REST(0)(src), .Ll_exc_copy\@)
SUB t2, t2, t1 # t2 = number of bytes copied
xor match, t0, t1
-EXC( STFIRST t3, FIRST(0)(dst), .Ls_exc)
+ STFIRST(t3, FIRST(0)(dst), .Ls_exc\@)
SLL t4, t1, 3 # t4 = number of bits to discard
SHIFT_DISCARD t3, t3, t4
/* no SHIFT_DISCARD_REVERT to handle odd buffer properly */
ADDC(sum, t3)
- beq len, t2, .Ldone
+ beq len, t2, .Ldone\@
SUB len, len, t2
ADD dst, dst, t2
- beqz match, .Lboth_aligned
+ beqz match, .Lboth_aligned\@
ADD src, src, t2
-.Lsrc_unaligned_dst_aligned:
+.Lsrc_unaligned_dst_aligned\@:
SRL t0, len, LOG_NBYTES+2 # +2 for 4 units/iter
- beqz t0, .Lcleanup_src_unaligned
+ beqz t0, .Lcleanup_src_unaligned\@
and rem, len, (4*NBYTES-1) # rem = len % 4*NBYTES
1:
/*
@@ -578,53 +626,53 @@
* It's OK to load FIRST(N+1) before REST(N) because the two addresses
* are to the same unit (unless src is aligned, but it's not).
*/
-EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc)
-EXC( LDFIRST t1, FIRST(1)(src), .Ll_exc_copy)
+ LDFIRST(t0, FIRST(0)(src), .Ll_exc\@)
+ LDFIRST(t1, FIRST(1)(src), .Ll_exc_copy\@)
SUB len, len, 4*NBYTES
-EXC( LDREST t0, REST(0)(src), .Ll_exc_copy)
-EXC( LDREST t1, REST(1)(src), .Ll_exc_copy)
-EXC( LDFIRST t2, FIRST(2)(src), .Ll_exc_copy)
-EXC( LDFIRST t3, FIRST(3)(src), .Ll_exc_copy)
-EXC( LDREST t2, REST(2)(src), .Ll_exc_copy)
-EXC( LDREST t3, REST(3)(src), .Ll_exc_copy)
+ LDREST(t0, REST(0)(src), .Ll_exc_copy\@)
+ LDREST(t1, REST(1)(src), .Ll_exc_copy\@)
+ LDFIRST(t2, FIRST(2)(src), .Ll_exc_copy\@)
+ LDFIRST(t3, FIRST(3)(src), .Ll_exc_copy\@)
+ LDREST(t2, REST(2)(src), .Ll_exc_copy\@)
+ LDREST(t3, REST(3)(src), .Ll_exc_copy\@)
ADD src, src, 4*NBYTES
#ifdef CONFIG_CPU_SB1
nop # improves slotting
#endif
-EXC( STORE t0, UNIT(0)(dst), .Ls_exc)
+ STORE(t0, UNIT(0)(dst), .Ls_exc\@)
ADDC(sum, t0)
-EXC( STORE t1, UNIT(1)(dst), .Ls_exc)
+ STORE(t1, UNIT(1)(dst), .Ls_exc\@)
ADDC(sum, t1)
-EXC( STORE t2, UNIT(2)(dst), .Ls_exc)
+ STORE(t2, UNIT(2)(dst), .Ls_exc\@)
ADDC(sum, t2)
-EXC( STORE t3, UNIT(3)(dst), .Ls_exc)
+ STORE(t3, UNIT(3)(dst), .Ls_exc\@)
ADDC(sum, t3)
.set reorder /* DADDI_WAR */
ADD dst, dst, 4*NBYTES
bne len, rem, 1b
.set noreorder
-.Lcleanup_src_unaligned:
- beqz len, .Ldone
+.Lcleanup_src_unaligned\@:
+ beqz len, .Ldone\@
and rem, len, NBYTES-1 # rem = len % NBYTES
- beq rem, len, .Lcopy_bytes
+ beq rem, len, .Lcopy_bytes\@
nop
1:
-EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc)
-EXC( LDREST t0, REST(0)(src), .Ll_exc_copy)
+ LDFIRST(t0, FIRST(0)(src), .Ll_exc\@)
+ LDREST(t0, REST(0)(src), .Ll_exc_copy\@)
ADD src, src, NBYTES
SUB len, len, NBYTES
-EXC( STORE t0, 0(dst), .Ls_exc)
+ STORE(t0, 0(dst), .Ls_exc\@)
ADDC(sum, t0)
.set reorder /* DADDI_WAR */
ADD dst, dst, NBYTES
bne len, rem, 1b
.set noreorder
-.Lcopy_bytes_checklen:
- beqz len, .Ldone
+.Lcopy_bytes_checklen\@:
+ beqz len, .Ldone\@
nop
-.Lcopy_bytes:
+.Lcopy_bytes\@:
/* 0 < len < NBYTES */
#ifdef CONFIG_CPU_LITTLE_ENDIAN
#define SHIFT_START 0
@@ -637,12 +685,12 @@
li t3, SHIFT_START # shift
/* use .Ll_exc_copy here to return correct sum on fault */
#define COPY_BYTE(N) \
-EXC( lbu t0, N(src), .Ll_exc_copy); \
+ LOADBU(t0, N(src), .Ll_exc_copy\@); \
SUB len, len, 1; \
-EXC( sb t0, N(dst), .Ls_exc); \
+ STOREB(t0, N(dst), .Ls_exc\@); \
SLLV t0, t0, t3; \
addu t3, SHIFT_INC; \
- beqz len, .Lcopy_bytes_done; \
+ beqz len, .Lcopy_bytes_done\@; \
or t2, t0
COPY_BYTE(0)
@@ -653,14 +701,14 @@
COPY_BYTE(4)
COPY_BYTE(5)
#endif
-EXC( lbu t0, NBYTES-2(src), .Ll_exc_copy)
+ LOADBU(t0, NBYTES-2(src), .Ll_exc_copy\@)
SUB len, len, 1
-EXC( sb t0, NBYTES-2(dst), .Ls_exc)
+ STOREB(t0, NBYTES-2(dst), .Ls_exc\@)
SLLV t0, t0, t3
or t2, t0
-.Lcopy_bytes_done:
+.Lcopy_bytes_done\@:
ADDC(sum, t2)
-.Ldone:
+.Ldone\@:
/* fold checksum */
#ifdef USE_DOUBLE
dsll32 v1, sum, 0
@@ -689,7 +737,7 @@
jr ra
.set noreorder
-.Ll_exc_copy:
+.Ll_exc_copy\@:
/*
* Copy bytes from src until faulting load address (or until a
* lb faults)
@@ -700,11 +748,11 @@
*
* Assumes src < THREAD_BUADDR($28)
*/
- LOAD t0, TI_TASK($28)
+ LOADK t0, TI_TASK($28)
li t2, SHIFT_START
- LOAD t0, THREAD_BUADDR(t0)
+ LOADK t0, THREAD_BUADDR(t0)
1:
-EXC( lbu t1, 0(src), .Ll_exc)
+ LOADBU(t1, 0(src), .Ll_exc\@)
ADD src, src, 1
sb t1, 0(dst) # can't fault -- we're copy_from_user
SLLV t1, t1, t2
@@ -714,10 +762,10 @@
ADD dst, dst, 1
bne src, t0, 1b
.set noreorder
-.Ll_exc:
- LOAD t0, TI_TASK($28)
+.Ll_exc\@:
+ LOADK t0, TI_TASK($28)
nop
- LOAD t0, THREAD_BUADDR(t0) # t0 is just past last good address
+ LOADK t0, THREAD_BUADDR(t0) # t0 is just past last good address
nop
SUB len, AT, t0 # len number of uncopied bytes
/*
@@ -733,7 +781,7 @@
*/
.set reorder /* DADDI_WAR */
SUB src, len, 1
- beqz len, .Ldone
+ beqz len, .Ldone\@
.set noreorder
1: sb zero, 0(dst)
ADD dst, dst, 1
@@ -748,13 +796,31 @@
SUB src, src, v1
#endif
li v1, -EFAULT
- b .Ldone
+ b .Ldone\@
sw v1, (errptr)
-.Ls_exc:
+.Ls_exc\@:
li v0, -1 /* invalid checksum */
li v1, -EFAULT
jr ra
sw v1, (errptr)
.set pop
- END(__csum_partial_copy_user)
+ .endm
+
+LEAF(__csum_partial_copy_kernel)
+#ifndef CONFIG_EVA
+FEXPORT(__csum_partial_copy_to_user)
+FEXPORT(__csum_partial_copy_from_user)
+#endif
+__BUILD_CSUM_PARTIAL_COPY_USER LEGACY_MODE USEROP USEROP 1
+END(__csum_partial_copy_kernel)
+
+#ifdef CONFIG_EVA
+LEAF(__csum_partial_copy_to_user)
+__BUILD_CSUM_PARTIAL_COPY_USER EVA_MODE KERNELOP USEROP 0
+END(__csum_partial_copy_to_user)
+
+LEAF(__csum_partial_copy_from_user)
+__BUILD_CSUM_PARTIAL_COPY_USER EVA_MODE USEROP KERNELOP 0
+END(__csum_partial_copy_from_user)
+#endif
diff --git a/arch/mips/lib/memcpy.S b/arch/mips/lib/memcpy.S
index c5c40da..c17ef80 100644
--- a/arch/mips/lib/memcpy.S
+++ b/arch/mips/lib/memcpy.S
@@ -10,6 +10,7 @@
* Copyright (C) 2002 Broadcom, Inc.
* memcpy/copy_user author: Mark Vandevoorde
* Copyright (C) 2007 Maciej W. Rozycki
+ * Copyright (C) 2014 Imagination Technologies Ltd.
*
* Mnemonic names for arguments to memcpy/__copy_user
*/
@@ -85,11 +86,51 @@
* they're not protected.
*/
-#define EXC(inst_reg,addr,handler) \
-9: inst_reg, addr; \
- .section __ex_table,"a"; \
- PTR 9b, handler; \
- .previous
+/* Instruction type */
+#define LD_INSN 1
+#define ST_INSN 2
+/* Pretech type */
+#define SRC_PREFETCH 1
+#define DST_PREFETCH 2
+#define LEGACY_MODE 1
+#define EVA_MODE 2
+#define USEROP 1
+#define KERNELOP 2
+
+/*
+ * Wrapper to add an entry in the exception table
+ * in case the insn causes a memory exception.
+ * Arguments:
+ * insn : Load/store instruction
+ * type : Instruction type
+ * reg : Register
+ * addr : Address
+ * handler : Exception handler
+ */
+
+#define EXC(insn, type, reg, addr, handler) \
+ .if \mode == LEGACY_MODE; \
+9: insn reg, addr; \
+ .section __ex_table,"a"; \
+ PTR 9b, handler; \
+ .previous; \
+ /* This is assembled in EVA mode */ \
+ .else; \
+ /* If loading from user or storing to user */ \
+ .if ((\from == USEROP) && (type == LD_INSN)) || \
+ ((\to == USEROP) && (type == ST_INSN)); \
+9: __BUILD_EVA_INSN(insn##e, reg, addr); \
+ .section __ex_table,"a"; \
+ PTR 9b, handler; \
+ .previous; \
+ .else; \
+ /* \
+ * Still in EVA, but no need for \
+ * exception handler or EVA insn \
+ */ \
+ insn reg, addr; \
+ .endif; \
+ .endif
/*
* Only on the 64-bit kernel we can made use of 64-bit registers.
@@ -100,12 +141,13 @@
#ifdef USE_DOUBLE
-#define LOAD ld
-#define LOADL ldl
-#define LOADR ldr
-#define STOREL sdl
-#define STORER sdr
-#define STORE sd
+#define LOADK ld /* No exception */
+#define LOAD(reg, addr, handler) EXC(ld, LD_INSN, reg, addr, handler)
+#define LOADL(reg, addr, handler) EXC(ldl, LD_INSN, reg, addr, handler)
+#define LOADR(reg, addr, handler) EXC(ldr, LD_INSN, reg, addr, handler)
+#define STOREL(reg, addr, handler) EXC(sdl, ST_INSN, reg, addr, handler)
+#define STORER(reg, addr, handler) EXC(sdr, ST_INSN, reg, addr, handler)
+#define STORE(reg, addr, handler) EXC(sd, ST_INSN, reg, addr, handler)
#define ADD daddu
#define SUB dsubu
#define SRL dsrl
@@ -136,12 +178,13 @@
#else
-#define LOAD lw
-#define LOADL lwl
-#define LOADR lwr
-#define STOREL swl
-#define STORER swr
-#define STORE sw
+#define LOADK lw /* No exception */
+#define LOAD(reg, addr, handler) EXC(lw, LD_INSN, reg, addr, handler)
+#define LOADL(reg, addr, handler) EXC(lwl, LD_INSN, reg, addr, handler)
+#define LOADR(reg, addr, handler) EXC(lwr, LD_INSN, reg, addr, handler)
+#define STOREL(reg, addr, handler) EXC(swl, ST_INSN, reg, addr, handler)
+#define STORER(reg, addr, handler) EXC(swr, ST_INSN, reg, addr, handler)
+#define STORE(reg, addr, handler) EXC(sw, ST_INSN, reg, addr, handler)
#define ADD addu
#define SUB subu
#define SRL srl
@@ -154,6 +197,33 @@
#endif /* USE_DOUBLE */
+#define LOADB(reg, addr, handler) EXC(lb, LD_INSN, reg, addr, handler)
+#define STOREB(reg, addr, handler) EXC(sb, ST_INSN, reg, addr, handler)
+
+#define _PREF(hint, addr, type) \
+ .if \mode == LEGACY_MODE; \
+ PREF(hint, addr); \
+ .else; \
+ .if ((\from == USEROP) && (type == SRC_PREFETCH)) || \
+ ((\to == USEROP) && (type == DST_PREFETCH)); \
+ /* \
+ * PREFE has only 9 bits for the offset \
+ * compared to PREF which has 16, so it may \
+ * need to use the $at register but this \
+ * register should remain intact because it's \
+ * used later on. Therefore use $v1. \
+ */ \
+ .set at=v1; \
+ PREFE(hint, addr); \
+ .set noat; \
+ .else; \
+ PREF(hint, addr); \
+ .endif; \
+ .endif
+
+#define PREFS(hint, addr) _PREF(hint, addr, SRC_PREFETCH)
+#define PREFD(hint, addr) _PREF(hint, addr, DST_PREFETCH)
+
#ifdef CONFIG_CPU_LITTLE_ENDIAN
#define LDFIRST LOADR
#define LDREST LOADL
@@ -182,27 +252,23 @@
.set at=v1
#endif
-/*
- * t6 is used as a flag to note inatomic mode.
- */
-LEAF(__copy_user_inatomic)
- b __copy_user_common
- li t6, 1
- END(__copy_user_inatomic)
-
-/*
- * A combined memcpy/__copy_user
- * __copy_user sets len to 0 for success; else to an upper bound of
- * the number of uncopied bytes.
- * memcpy sets v0 to dst.
- */
.align 5
-LEAF(memcpy) /* a0=dst a1=src a2=len */
- move v0, dst /* return value */
-.L__memcpy:
-FEXPORT(__copy_user)
- li t6, 0 /* not inatomic */
-__copy_user_common:
+
+ /*
+ * Macro to build the __copy_user common code
+ * Arguements:
+ * mode : LEGACY_MODE or EVA_MODE
+ * from : Source operand. USEROP or KERNELOP
+ * to : Destination operand. USEROP or KERNELOP
+ */
+ .macro __BUILD_COPY_USER mode, from, to
+
+ /* initialize __memcpy if this the first time we execute this macro */
+ .ifnotdef __memcpy
+ .set __memcpy, 1
+ .hidden __memcpy /* make sure it does not leak */
+ .endif
+
/*
* Note: dst & src may be unaligned, len may be 0
* Temps
@@ -217,94 +283,94 @@
*
* If len < NBYTES use byte operations.
*/
- PREF( 0, 0(src) )
- PREF( 1, 0(dst) )
+ PREFS( 0, 0(src) )
+ PREFD( 1, 0(dst) )
sltu t2, len, NBYTES
and t1, dst, ADDRMASK
- PREF( 0, 1*32(src) )
- PREF( 1, 1*32(dst) )
- bnez t2, .Lcopy_bytes_checklen
+ PREFS( 0, 1*32(src) )
+ PREFD( 1, 1*32(dst) )
+ bnez t2, .Lcopy_bytes_checklen\@
and t0, src, ADDRMASK
- PREF( 0, 2*32(src) )
- PREF( 1, 2*32(dst) )
- bnez t1, .Ldst_unaligned
+ PREFS( 0, 2*32(src) )
+ PREFD( 1, 2*32(dst) )
+ bnez t1, .Ldst_unaligned\@
nop
- bnez t0, .Lsrc_unaligned_dst_aligned
+ bnez t0, .Lsrc_unaligned_dst_aligned\@
/*
* use delay slot for fall-through
* src and dst are aligned; need to compute rem
*/
-.Lboth_aligned:
+.Lboth_aligned\@:
SRL t0, len, LOG_NBYTES+3 # +3 for 8 units/iter
- beqz t0, .Lcleanup_both_aligned # len < 8*NBYTES
+ beqz t0, .Lcleanup_both_aligned\@ # len < 8*NBYTES
and rem, len, (8*NBYTES-1) # rem = len % (8*NBYTES)
- PREF( 0, 3*32(src) )
- PREF( 1, 3*32(dst) )
+ PREFS( 0, 3*32(src) )
+ PREFD( 1, 3*32(dst) )
.align 4
1:
R10KCBARRIER(0(ra))
-EXC( LOAD t0, UNIT(0)(src), .Ll_exc)
-EXC( LOAD t1, UNIT(1)(src), .Ll_exc_copy)
-EXC( LOAD t2, UNIT(2)(src), .Ll_exc_copy)
-EXC( LOAD t3, UNIT(3)(src), .Ll_exc_copy)
+ LOAD(t0, UNIT(0)(src), .Ll_exc\@)
+ LOAD(t1, UNIT(1)(src), .Ll_exc_copy\@)
+ LOAD(t2, UNIT(2)(src), .Ll_exc_copy\@)
+ LOAD(t3, UNIT(3)(src), .Ll_exc_copy\@)
SUB len, len, 8*NBYTES
-EXC( LOAD t4, UNIT(4)(src), .Ll_exc_copy)
-EXC( LOAD t7, UNIT(5)(src), .Ll_exc_copy)
-EXC( STORE t0, UNIT(0)(dst), .Ls_exc_p8u)
-EXC( STORE t1, UNIT(1)(dst), .Ls_exc_p7u)
-EXC( LOAD t0, UNIT(6)(src), .Ll_exc_copy)
-EXC( LOAD t1, UNIT(7)(src), .Ll_exc_copy)
+ LOAD(t4, UNIT(4)(src), .Ll_exc_copy\@)
+ LOAD(t7, UNIT(5)(src), .Ll_exc_copy\@)
+ STORE(t0, UNIT(0)(dst), .Ls_exc_p8u\@)
+ STORE(t1, UNIT(1)(dst), .Ls_exc_p7u\@)
+ LOAD(t0, UNIT(6)(src), .Ll_exc_copy\@)
+ LOAD(t1, UNIT(7)(src), .Ll_exc_copy\@)
ADD src, src, 8*NBYTES
ADD dst, dst, 8*NBYTES
-EXC( STORE t2, UNIT(-6)(dst), .Ls_exc_p6u)
-EXC( STORE t3, UNIT(-5)(dst), .Ls_exc_p5u)
-EXC( STORE t4, UNIT(-4)(dst), .Ls_exc_p4u)
-EXC( STORE t7, UNIT(-3)(dst), .Ls_exc_p3u)
-EXC( STORE t0, UNIT(-2)(dst), .Ls_exc_p2u)
-EXC( STORE t1, UNIT(-1)(dst), .Ls_exc_p1u)
- PREF( 0, 8*32(src) )
- PREF( 1, 8*32(dst) )
+ STORE(t2, UNIT(-6)(dst), .Ls_exc_p6u\@)
+ STORE(t3, UNIT(-5)(dst), .Ls_exc_p5u\@)
+ STORE(t4, UNIT(-4)(dst), .Ls_exc_p4u\@)
+ STORE(t7, UNIT(-3)(dst), .Ls_exc_p3u\@)
+ STORE(t0, UNIT(-2)(dst), .Ls_exc_p2u\@)
+ STORE(t1, UNIT(-1)(dst), .Ls_exc_p1u\@)
+ PREFS( 0, 8*32(src) )
+ PREFD( 1, 8*32(dst) )
bne len, rem, 1b
nop
/*
* len == rem == the number of bytes left to copy < 8*NBYTES
*/
-.Lcleanup_both_aligned:
- beqz len, .Ldone
+.Lcleanup_both_aligned\@:
+ beqz len, .Ldone\@
sltu t0, len, 4*NBYTES
- bnez t0, .Lless_than_4units
+ bnez t0, .Lless_than_4units\@
and rem, len, (NBYTES-1) # rem = len % NBYTES
/*
* len >= 4*NBYTES
*/
-EXC( LOAD t0, UNIT(0)(src), .Ll_exc)
-EXC( LOAD t1, UNIT(1)(src), .Ll_exc_copy)
-EXC( LOAD t2, UNIT(2)(src), .Ll_exc_copy)
-EXC( LOAD t3, UNIT(3)(src), .Ll_exc_copy)
+ LOAD( t0, UNIT(0)(src), .Ll_exc\@)
+ LOAD( t1, UNIT(1)(src), .Ll_exc_copy\@)
+ LOAD( t2, UNIT(2)(src), .Ll_exc_copy\@)
+ LOAD( t3, UNIT(3)(src), .Ll_exc_copy\@)
SUB len, len, 4*NBYTES
ADD src, src, 4*NBYTES
R10KCBARRIER(0(ra))
-EXC( STORE t0, UNIT(0)(dst), .Ls_exc_p4u)
-EXC( STORE t1, UNIT(1)(dst), .Ls_exc_p3u)
-EXC( STORE t2, UNIT(2)(dst), .Ls_exc_p2u)
-EXC( STORE t3, UNIT(3)(dst), .Ls_exc_p1u)
+ STORE(t0, UNIT(0)(dst), .Ls_exc_p4u\@)
+ STORE(t1, UNIT(1)(dst), .Ls_exc_p3u\@)
+ STORE(t2, UNIT(2)(dst), .Ls_exc_p2u\@)
+ STORE(t3, UNIT(3)(dst), .Ls_exc_p1u\@)
.set reorder /* DADDI_WAR */
ADD dst, dst, 4*NBYTES
- beqz len, .Ldone
+ beqz len, .Ldone\@
.set noreorder
-.Lless_than_4units:
+.Lless_than_4units\@:
/*
* rem = len % NBYTES
*/
- beq rem, len, .Lcopy_bytes
+ beq rem, len, .Lcopy_bytes\@
nop
1:
R10KCBARRIER(0(ra))
-EXC( LOAD t0, 0(src), .Ll_exc)
+ LOAD(t0, 0(src), .Ll_exc\@)
ADD src, src, NBYTES
SUB len, len, NBYTES
-EXC( STORE t0, 0(dst), .Ls_exc_p1u)
+ STORE(t0, 0(dst), .Ls_exc_p1u\@)
.set reorder /* DADDI_WAR */
ADD dst, dst, NBYTES
bne rem, len, 1b
@@ -322,17 +388,17 @@
* more instruction-level parallelism.
*/
#define bits t2
- beqz len, .Ldone
+ beqz len, .Ldone\@
ADD t1, dst, len # t1 is just past last byte of dst
li bits, 8*NBYTES
SLL rem, len, 3 # rem = number of bits to keep
-EXC( LOAD t0, 0(src), .Ll_exc)
+ LOAD(t0, 0(src), .Ll_exc\@)
SUB bits, bits, rem # bits = number of bits to discard
SHIFT_DISCARD t0, t0, bits
-EXC( STREST t0, -1(t1), .Ls_exc)
+ STREST(t0, -1(t1), .Ls_exc\@)
jr ra
move len, zero
-.Ldst_unaligned:
+.Ldst_unaligned\@:
/*
* dst is unaligned
* t0 = src & ADDRMASK
@@ -343,25 +409,25 @@
* Set match = (src and dst have same alignment)
*/
#define match rem
-EXC( LDFIRST t3, FIRST(0)(src), .Ll_exc)
+ LDFIRST(t3, FIRST(0)(src), .Ll_exc\@)
ADD t2, zero, NBYTES
-EXC( LDREST t3, REST(0)(src), .Ll_exc_copy)
+ LDREST(t3, REST(0)(src), .Ll_exc_copy\@)
SUB t2, t2, t1 # t2 = number of bytes copied
xor match, t0, t1
R10KCBARRIER(0(ra))
-EXC( STFIRST t3, FIRST(0)(dst), .Ls_exc)
- beq len, t2, .Ldone
+ STFIRST(t3, FIRST(0)(dst), .Ls_exc\@)
+ beq len, t2, .Ldone\@
SUB len, len, t2
ADD dst, dst, t2
- beqz match, .Lboth_aligned
+ beqz match, .Lboth_aligned\@
ADD src, src, t2
-.Lsrc_unaligned_dst_aligned:
+.Lsrc_unaligned_dst_aligned\@:
SRL t0, len, LOG_NBYTES+2 # +2 for 4 units/iter
- PREF( 0, 3*32(src) )
- beqz t0, .Lcleanup_src_unaligned
+ PREFS( 0, 3*32(src) )
+ beqz t0, .Lcleanup_src_unaligned\@
and rem, len, (4*NBYTES-1) # rem = len % 4*NBYTES
- PREF( 1, 3*32(dst) )
+ PREFD( 1, 3*32(dst) )
1:
/*
* Avoid consecutive LD*'s to the same register since some mips
@@ -370,58 +436,58 @@
* are to the same unit (unless src is aligned, but it's not).
*/
R10KCBARRIER(0(ra))
-EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc)
-EXC( LDFIRST t1, FIRST(1)(src), .Ll_exc_copy)
+ LDFIRST(t0, FIRST(0)(src), .Ll_exc\@)
+ LDFIRST(t1, FIRST(1)(src), .Ll_exc_copy\@)
SUB len, len, 4*NBYTES
-EXC( LDREST t0, REST(0)(src), .Ll_exc_copy)
-EXC( LDREST t1, REST(1)(src), .Ll_exc_copy)
-EXC( LDFIRST t2, FIRST(2)(src), .Ll_exc_copy)
-EXC( LDFIRST t3, FIRST(3)(src), .Ll_exc_copy)
-EXC( LDREST t2, REST(2)(src), .Ll_exc_copy)
-EXC( LDREST t3, REST(3)(src), .Ll_exc_copy)
- PREF( 0, 9*32(src) ) # 0 is PREF_LOAD (not streamed)
+ LDREST(t0, REST(0)(src), .Ll_exc_copy\@)
+ LDREST(t1, REST(1)(src), .Ll_exc_copy\@)
+ LDFIRST(t2, FIRST(2)(src), .Ll_exc_copy\@)
+ LDFIRST(t3, FIRST(3)(src), .Ll_exc_copy\@)
+ LDREST(t2, REST(2)(src), .Ll_exc_copy\@)
+ LDREST(t3, REST(3)(src), .Ll_exc_copy\@)
+ PREFS( 0, 9*32(src) ) # 0 is PREF_LOAD (not streamed)
ADD src, src, 4*NBYTES
#ifdef CONFIG_CPU_SB1
nop # improves slotting
#endif
-EXC( STORE t0, UNIT(0)(dst), .Ls_exc_p4u)
-EXC( STORE t1, UNIT(1)(dst), .Ls_exc_p3u)
-EXC( STORE t2, UNIT(2)(dst), .Ls_exc_p2u)
-EXC( STORE t3, UNIT(3)(dst), .Ls_exc_p1u)
- PREF( 1, 9*32(dst) ) # 1 is PREF_STORE (not streamed)
+ STORE(t0, UNIT(0)(dst), .Ls_exc_p4u\@)
+ STORE(t1, UNIT(1)(dst), .Ls_exc_p3u\@)
+ STORE(t2, UNIT(2)(dst), .Ls_exc_p2u\@)
+ STORE(t3, UNIT(3)(dst), .Ls_exc_p1u\@)
+ PREFD( 1, 9*32(dst) ) # 1 is PREF_STORE (not streamed)
.set reorder /* DADDI_WAR */
ADD dst, dst, 4*NBYTES
bne len, rem, 1b
.set noreorder
-.Lcleanup_src_unaligned:
- beqz len, .Ldone
+.Lcleanup_src_unaligned\@:
+ beqz len, .Ldone\@
and rem, len, NBYTES-1 # rem = len % NBYTES
- beq rem, len, .Lcopy_bytes
+ beq rem, len, .Lcopy_bytes\@
nop
1:
R10KCBARRIER(0(ra))
-EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc)
-EXC( LDREST t0, REST(0)(src), .Ll_exc_copy)
+ LDFIRST(t0, FIRST(0)(src), .Ll_exc\@)
+ LDREST(t0, REST(0)(src), .Ll_exc_copy\@)
ADD src, src, NBYTES
SUB len, len, NBYTES
-EXC( STORE t0, 0(dst), .Ls_exc_p1u)
+ STORE(t0, 0(dst), .Ls_exc_p1u\@)
.set reorder /* DADDI_WAR */
ADD dst, dst, NBYTES
bne len, rem, 1b
.set noreorder
-.Lcopy_bytes_checklen:
- beqz len, .Ldone
+.Lcopy_bytes_checklen\@:
+ beqz len, .Ldone\@
nop
-.Lcopy_bytes:
+.Lcopy_bytes\@:
/* 0 < len < NBYTES */
R10KCBARRIER(0(ra))
#define COPY_BYTE(N) \
-EXC( lb t0, N(src), .Ll_exc); \
+ LOADB(t0, N(src), .Ll_exc\@); \
SUB len, len, 1; \
- beqz len, .Ldone; \
-EXC( sb t0, N(dst), .Ls_exc_p1)
+ beqz len, .Ldone\@; \
+ STOREB(t0, N(dst), .Ls_exc_p1\@)
COPY_BYTE(0)
COPY_BYTE(1)
@@ -431,16 +497,19 @@
COPY_BYTE(4)
COPY_BYTE(5)
#endif
-EXC( lb t0, NBYTES-2(src), .Ll_exc)
+ LOADB(t0, NBYTES-2(src), .Ll_exc\@)
SUB len, len, 1
jr ra
-EXC( sb t0, NBYTES-2(dst), .Ls_exc_p1)
-.Ldone:
+ STOREB(t0, NBYTES-2(dst), .Ls_exc_p1\@)
+.Ldone\@:
jr ra
- nop
+ .if __memcpy == 1
END(memcpy)
+ .set __memcpy, 0
+ .hidden __memcpy
+ .endif
-.Ll_exc_copy:
+.Ll_exc_copy\@:
/*
* Copy bytes from src until faulting load address (or until a
* lb faults)
@@ -451,24 +520,24 @@
*
* Assumes src < THREAD_BUADDR($28)
*/
- LOAD t0, TI_TASK($28)
+ LOADK t0, TI_TASK($28)
nop
- LOAD t0, THREAD_BUADDR(t0)
+ LOADK t0, THREAD_BUADDR(t0)
1:
-EXC( lb t1, 0(src), .Ll_exc)
+ LOADB(t1, 0(src), .Ll_exc\@)
ADD src, src, 1
sb t1, 0(dst) # can't fault -- we're copy_from_user
.set reorder /* DADDI_WAR */
ADD dst, dst, 1
bne src, t0, 1b
.set noreorder
-.Ll_exc:
- LOAD t0, TI_TASK($28)
+.Ll_exc\@:
+ LOADK t0, TI_TASK($28)
nop
- LOAD t0, THREAD_BUADDR(t0) # t0 is just past last good address
+ LOADK t0, THREAD_BUADDR(t0) # t0 is just past last good address
nop
SUB len, AT, t0 # len number of uncopied bytes
- bnez t6, .Ldone /* Skip the zeroing part if inatomic */
+ bnez t6, .Ldone\@ /* Skip the zeroing part if inatomic */
/*
* Here's where we rely on src and dst being incremented in tandem,
* See (3) above.
@@ -482,7 +551,7 @@
*/
.set reorder /* DADDI_WAR */
SUB src, len, 1
- beqz len, .Ldone
+ beqz len, .Ldone\@
.set noreorder
1: sb zero, 0(dst)
ADD dst, dst, 1
@@ -503,7 +572,7 @@
#define SEXC(n) \
.set reorder; /* DADDI_WAR */ \
-.Ls_exc_p ## n ## u: \
+.Ls_exc_p ## n ## u\@: \
ADD len, len, n*NBYTES; \
jr ra; \
.set noreorder
@@ -517,14 +586,15 @@
SEXC(2)
SEXC(1)
-.Ls_exc_p1:
+.Ls_exc_p1\@:
.set reorder /* DADDI_WAR */
ADD len, len, 1
jr ra
.set noreorder
-.Ls_exc:
+.Ls_exc\@:
jr ra
nop
+ .endm
.align 5
LEAF(memmove)
@@ -575,3 +645,71 @@
jr ra
move a2, zero
END(__rmemcpy)
+
+/*
+ * t6 is used as a flag to note inatomic mode.
+ */
+LEAF(__copy_user_inatomic)
+ b __copy_user_common
+ li t6, 1
+ END(__copy_user_inatomic)
+
+/*
+ * A combined memcpy/__copy_user
+ * __copy_user sets len to 0 for success; else to an upper bound of
+ * the number of uncopied bytes.
+ * memcpy sets v0 to dst.
+ */
+ .align 5
+LEAF(memcpy) /* a0=dst a1=src a2=len */
+ move v0, dst /* return value */
+.L__memcpy:
+FEXPORT(__copy_user)
+ li t6, 0 /* not inatomic */
+__copy_user_common:
+ /* Legacy Mode, user <-> user */
+ __BUILD_COPY_USER LEGACY_MODE USEROP USEROP
+
+#ifdef CONFIG_EVA
+
+/*
+ * For EVA we need distinct symbols for reading and writing to user space.
+ * This is because we need to use specific EVA instructions to perform the
+ * virtual <-> physical translation when a virtual address is actually in user
+ * space
+ */
+
+LEAF(__copy_user_inatomic_eva)
+ b __copy_from_user_common
+ li t6, 1
+ END(__copy_user_inatomic_eva)
+
+/*
+ * __copy_from_user (EVA)
+ */
+
+LEAF(__copy_from_user_eva)
+ li t6, 0 /* not inatomic */
+__copy_from_user_common:
+ __BUILD_COPY_USER EVA_MODE USEROP KERNELOP
+END(__copy_from_user_eva)
+
+
+
+/*
+ * __copy_to_user (EVA)
+ */
+
+LEAF(__copy_to_user_eva)
+__BUILD_COPY_USER EVA_MODE KERNELOP USEROP
+END(__copy_to_user_eva)
+
+/*
+ * __copy_in_user (EVA)
+ */
+
+LEAF(__copy_in_user_eva)
+__BUILD_COPY_USER EVA_MODE USEROP USEROP
+END(__copy_in_user_eva)
+
+#endif
diff --git a/arch/mips/lib/memset.S b/arch/mips/lib/memset.S
index 0580194..7b0e546 100644
--- a/arch/mips/lib/memset.S
+++ b/arch/mips/lib/memset.S
@@ -34,13 +34,27 @@
#define FILLPTRG t0
#endif
+#define LEGACY_MODE 1
+#define EVA_MODE 2
+
+/*
+ * No need to protect it with EVA #ifdefery. The generated block of code
+ * will never be assembled if EVA is not enabled.
+ */
+#define __EVAFY(insn, reg, addr) __BUILD_EVA_INSN(insn##e, reg, addr)
+#define ___BUILD_EVA_INSN(insn, reg, addr) __EVAFY(insn, reg, addr)
+
#define EX(insn,reg,addr,handler) \
-9: insn reg, addr; \
+ .if \mode == LEGACY_MODE; \
+9: insn reg, addr; \
+ .else; \
+9: ___BUILD_EVA_INSN(insn, reg, addr); \
+ .endif; \
.section __ex_table,"a"; \
PTR 9b, handler; \
.previous
- .macro f_fill64 dst, offset, val, fixup
+ .macro f_fill64 dst, offset, val, fixup, mode
EX(LONG_S, \val, (\offset + 0 * STORSIZE)(\dst), \fixup)
EX(LONG_S, \val, (\offset + 1 * STORSIZE)(\dst), \fixup)
EX(LONG_S, \val, (\offset + 2 * STORSIZE)(\dst), \fixup)
@@ -63,34 +77,24 @@
#endif
.endm
-/*
- * memset(void *s, int c, size_t n)
- *
- * a0: start of area to clear
- * a1: char to fill with
- * a2: size of area to clear
- */
.set noreorder
.align 5
-LEAF(memset)
- beqz a1, 1f
- move v0, a0 /* result */
- andi a1, 0xff /* spread fillword */
- LONG_SLL t1, a1, 8
- or a1, t1
- LONG_SLL t1, a1, 16
-#if LONGSIZE == 8
- or a1, t1
- LONG_SLL t1, a1, 32
-#endif
- or a1, t1
-1:
+ /*
+ * Macro to generate the __bzero{,_user} symbol
+ * Arguments:
+ * mode: LEGACY_MODE or EVA_MODE
+ */
+ .macro __BUILD_BZERO mode
+ /* Initialize __memset if this is the first time we call this macro */
+ .ifnotdef __memset
+ .set __memset, 1
+ .hidden __memset /* Make sure it does not leak */
+ .endif
-FEXPORT(__bzero)
sltiu t0, a2, STORSIZE /* very small region? */
- bnez t0, .Lsmall_memset
- andi t0, a0, STORMASK /* aligned? */
+ bnez t0, .Lsmall_memset\@
+ andi t0, a0, STORMASK /* aligned? */
#ifdef CONFIG_CPU_MICROMIPS
move t8, a1 /* used by 'swp' instruction */
@@ -98,39 +102,39 @@
#endif
#ifndef CONFIG_CPU_DADDI_WORKAROUNDS
beqz t0, 1f
- PTR_SUBU t0, STORSIZE /* alignment in bytes */
+ PTR_SUBU t0, STORSIZE /* alignment in bytes */
#else
.set noat
li AT, STORSIZE
beqz t0, 1f
- PTR_SUBU t0, AT /* alignment in bytes */
+ PTR_SUBU t0, AT /* alignment in bytes */
.set at
#endif
R10KCBARRIER(0(ra))
#ifdef __MIPSEB__
- EX(LONG_S_L, a1, (a0), .Lfirst_fixup) /* make word/dword aligned */
+ EX(LONG_S_L, a1, (a0), .Lfirst_fixup\@) /* make word/dword aligned */
#endif
#ifdef __MIPSEL__
- EX(LONG_S_R, a1, (a0), .Lfirst_fixup) /* make word/dword aligned */
+ EX(LONG_S_R, a1, (a0), .Lfirst_fixup\@) /* make word/dword aligned */
#endif
PTR_SUBU a0, t0 /* long align ptr */
PTR_ADDU a2, t0 /* correct size */
1: ori t1, a2, 0x3f /* # of full blocks */
xori t1, 0x3f
- beqz t1, .Lmemset_partial /* no block to fill */
- andi t0, a2, 0x40-STORSIZE
+ beqz t1, .Lmemset_partial\@ /* no block to fill */
+ andi t0, a2, 0x40-STORSIZE
PTR_ADDU t1, a0 /* end address */
.set reorder
1: PTR_ADDIU a0, 64
R10KCBARRIER(0(ra))
- f_fill64 a0, -64, FILL64RG, .Lfwd_fixup
+ f_fill64 a0, -64, FILL64RG, .Lfwd_fixup\@, \mode
bne t1, a0, 1b
.set noreorder
-.Lmemset_partial:
+.Lmemset_partial\@:
R10KCBARRIER(0(ra))
PTR_LA t1, 2f /* where to start */
#ifdef CONFIG_CPU_MICROMIPS
@@ -145,60 +149,100 @@
.set at
#endif
jr t1
- PTR_ADDU a0, t0 /* dest ptr */
+ PTR_ADDU a0, t0 /* dest ptr */
.set push
.set noreorder
.set nomacro
- f_fill64 a0, -64, FILL64RG, .Lpartial_fixup /* ... but first do longs ... */
+ /* ... but first do longs ... */
+ f_fill64 a0, -64, FILL64RG, .Lpartial_fixup\@, \mode
2: .set pop
andi a2, STORMASK /* At most one long to go */
beqz a2, 1f
- PTR_ADDU a0, a2 /* What's left */
+ PTR_ADDU a0, a2 /* What's left */
R10KCBARRIER(0(ra))
#ifdef __MIPSEB__
- EX(LONG_S_R, a1, -1(a0), .Llast_fixup)
+ EX(LONG_S_R, a1, -1(a0), .Llast_fixup\@)
#endif
#ifdef __MIPSEL__
- EX(LONG_S_L, a1, -1(a0), .Llast_fixup)
+ EX(LONG_S_L, a1, -1(a0), .Llast_fixup\@)
#endif
1: jr ra
- move a2, zero
+ move a2, zero
-.Lsmall_memset:
+.Lsmall_memset\@:
beqz a2, 2f
- PTR_ADDU t1, a0, a2
+ PTR_ADDU t1, a0, a2
1: PTR_ADDIU a0, 1 /* fill bytewise */
R10KCBARRIER(0(ra))
bne t1, a0, 1b
- sb a1, -1(a0)
+ sb a1, -1(a0)
2: jr ra /* done */
- move a2, zero
+ move a2, zero
+ .if __memset == 1
END(memset)
+ .set __memset, 0
+ .hidden __memset
+ .endif
-.Lfirst_fixup:
+.Lfirst_fixup\@:
jr ra
- nop
+ nop
-.Lfwd_fixup:
+.Lfwd_fixup\@:
PTR_L t0, TI_TASK($28)
andi a2, 0x3f
LONG_L t0, THREAD_BUADDR(t0)
LONG_ADDU a2, t1
jr ra
- LONG_SUBU a2, t0
+ LONG_SUBU a2, t0
-.Lpartial_fixup:
+.Lpartial_fixup\@:
PTR_L t0, TI_TASK($28)
andi a2, STORMASK
LONG_L t0, THREAD_BUADDR(t0)
LONG_ADDU a2, t1
jr ra
- LONG_SUBU a2, t0
+ LONG_SUBU a2, t0
-.Llast_fixup:
+.Llast_fixup\@:
jr ra
- andi v1, a2, STORMASK
+ andi v1, a2, STORMASK
+
+ .endm
+
+/*
+ * memset(void *s, int c, size_t n)
+ *
+ * a0: start of area to clear
+ * a1: char to fill with
+ * a2: size of area to clear
+ */
+
+LEAF(memset)
+ beqz a1, 1f
+ move v0, a0 /* result */
+
+ andi a1, 0xff /* spread fillword */
+ LONG_SLL t1, a1, 8
+ or a1, t1
+ LONG_SLL t1, a1, 16
+#if LONGSIZE == 8
+ or a1, t1
+ LONG_SLL t1, a1, 32
+#endif
+ or a1, t1
+1:
+#ifndef CONFIG_EVA
+FEXPORT(__bzero)
+#endif
+ __BUILD_BZERO LEGACY_MODE
+
+#ifdef CONFIG_EVA
+LEAF(__bzero)
+ __BUILD_BZERO EVA_MODE
+END(__bzero)
+#endif
diff --git a/arch/mips/lib/strlen_user.S b/arch/mips/lib/strlen_user.S
index e362dcd..bef65c9 100644
--- a/arch/mips/lib/strlen_user.S
+++ b/arch/mips/lib/strlen_user.S
@@ -22,19 +22,43 @@
*
* Return 0 for error
*/
-LEAF(__strlen_user_asm)
+ .macro __BUILD_STRLEN_ASM func
+LEAF(__strlen_\func\()_asm)
LONG_L v0, TI_ADDR_LIMIT($28) # pointer ok?
and v0, a0
- bnez v0, .Lfault
+ bnez v0, .Lfault\@
-FEXPORT(__strlen_user_nocheck_asm)
+FEXPORT(__strlen_\func\()_nocheck_asm)
move v0, a0
-1: EX(lbu, v1, (v0), .Lfault)
+.ifeqs "\func", "kernel"
+1: EX(lbu, v1, (v0), .Lfault\@)
+.else
+1: EX(lbue, v1, (v0), .Lfault\@)
+.endif
PTR_ADDIU v0, 1
bnez v1, 1b
PTR_SUBU v0, a0
jr ra
- END(__strlen_user_asm)
+ END(__strlen_\func\()_asm)
-.Lfault: move v0, zero
+.Lfault\@: move v0, zero
jr ra
+ .endm
+
+#ifndef CONFIG_EVA
+ /* Set aliases */
+ .global __strlen_user_asm
+ .global __strlen_user_nocheck_asm
+ .set __strlen_user_asm, __strlen_kernel_asm
+ .set __strlen_user_nocheck_asm, __strlen_kernel_nocheck_asm
+#endif
+
+__BUILD_STRLEN_ASM kernel
+
+#ifdef CONFIG_EVA
+
+ .set push
+ .set eva
+__BUILD_STRLEN_ASM user
+ .set pop
+#endif
diff --git a/arch/mips/lib/strncpy_user.S b/arch/mips/lib/strncpy_user.S
index 92870b6..d3301cd1 100644
--- a/arch/mips/lib/strncpy_user.S
+++ b/arch/mips/lib/strncpy_user.S
@@ -28,16 +28,21 @@
* it happens at most some bytes of the exceptions handlers will be copied.
*/
-LEAF(__strncpy_from_user_asm)
+ .macro __BUILD_STRNCPY_ASM func
+LEAF(__strncpy_from_\func\()_asm)
LONG_L v0, TI_ADDR_LIMIT($28) # pointer ok?
and v0, a1
- bnez v0, .Lfault
+ bnez v0, .Lfault\@
-FEXPORT(__strncpy_from_user_nocheck_asm)
+FEXPORT(__strncpy_from_\func\()_nocheck_asm)
.set noreorder
move t0, zero
move v1, a1
-1: EX(lbu, v0, (v1), .Lfault)
+.ifeqs "\func","kernel"
+1: EX(lbu, v0, (v1), .Lfault\@)
+.else
+1: EX(lbue, v0, (v1), .Lfault\@)
+.endif
PTR_ADDIU v1, 1
R10KCBARRIER(0(ra))
beqz v0, 2f
@@ -47,15 +52,34 @@
PTR_ADDIU a0, 1
2: PTR_ADDU v0, a1, t0
xor v0, a1
- bltz v0, .Lfault
+ bltz v0, .Lfault\@
nop
jr ra # return n
move v0, t0
- END(__strncpy_from_user_asm)
+ END(__strncpy_from_\func\()_asm)
-.Lfault: jr ra
+.Lfault\@: jr ra
li v0, -EFAULT
.section __ex_table,"a"
- PTR 1b, .Lfault
+ PTR 1b, .Lfault\@
.previous
+
+ .endm
+
+#ifndef CONFIG_EVA
+ /* Set aliases */
+ .global __strncpy_from_user_asm
+ .global __strncpy_from_user_nocheck_asm
+ .set __strncpy_from_user_asm, __strncpy_from_kernel_asm
+ .set __strncpy_from_user_nocheck_asm, __strncpy_from_kernel_nocheck_asm
+#endif
+
+__BUILD_STRNCPY_ASM kernel
+
+#ifdef CONFIG_EVA
+ .set push
+ .set eva
+__BUILD_STRNCPY_ASM user
+ .set pop
+#endif
diff --git a/arch/mips/lib/strnlen_user.S b/arch/mips/lib/strnlen_user.S
index fcacea5..f3af699 100644
--- a/arch/mips/lib/strnlen_user.S
+++ b/arch/mips/lib/strnlen_user.S
@@ -25,22 +25,46 @@
* bytes. There's nothing secret there. On 64-bit accessing beyond
* the maximum is a tad hairier ...
*/
-LEAF(__strnlen_user_asm)
+ .macro __BUILD_STRNLEN_ASM func
+LEAF(__strnlen_\func\()_asm)
LONG_L v0, TI_ADDR_LIMIT($28) # pointer ok?
and v0, a0
- bnez v0, .Lfault
+ bnez v0, .Lfault\@
-FEXPORT(__strnlen_user_nocheck_asm)
+FEXPORT(__strnlen_\func\()_nocheck_asm)
move v0, a0
PTR_ADDU a1, a0 # stop pointer
1: beq v0, a1, 1f # limit reached?
- EX(lb, t0, (v0), .Lfault)
+.ifeqs "\func", "kernel"
+ EX(lb, t0, (v0), .Lfault\@)
+.else
+ EX(lbe, t0, (v0), .Lfault\@)
+.endif
PTR_ADDIU v0, 1
bnez t0, 1b
1: PTR_SUBU v0, a0
jr ra
- END(__strnlen_user_asm)
+ END(__strnlen_\func\()_asm)
-.Lfault:
+.Lfault\@:
move v0, zero
jr ra
+ .endm
+
+#ifndef CONFIG_EVA
+ /* Set aliases */
+ .global __strnlen_user_asm
+ .global __strnlen_user_nocheck_asm
+ .set __strnlen_user_asm, __strnlen_kernel_asm
+ .set __strnlen_user_nocheck_asm, __strnlen_kernel_nocheck_asm
+#endif
+
+__BUILD_STRNLEN_ASM kernel
+
+#ifdef CONFIG_EVA
+
+ .set push
+ .set eva
+__BUILD_STRNLEN_ASM user
+ .set pop
+#endif
diff --git a/arch/mips/loongson/Kconfig b/arch/mips/loongson/Kconfig
index 263beb9..7397be2 100644
--- a/arch/mips/loongson/Kconfig
+++ b/arch/mips/loongson/Kconfig
@@ -59,6 +59,36 @@
These family machines include fuloong2f mini PC, yeeloong2f notebook,
LingLoong allinone PC and so forth.
+
+config LEMOTE_MACH3A
+ bool "Lemote Loongson 3A family machines"
+ select ARCH_SPARSEMEM_ENABLE
+ select GENERIC_ISA_DMA_SUPPORT_BROKEN
+ select GENERIC_HARDIRQS_NO__DO_IRQ
+ select BOOT_ELF32
+ select BOARD_SCACHE
+ select CSRC_R4K
+ select CEVT_R4K
+ select CPU_HAS_WB
+ select HW_HAS_PCI
+ select ISA
+ select HT_PCI
+ select I8259
+ select IRQ_CPU
+ select NR_CPUS_DEFAULT_4
+ select SYS_HAS_CPU_LOONGSON3
+ select SYS_HAS_EARLY_PRINTK
+ select SYS_SUPPORTS_SMP
+ select SYS_SUPPORTS_HOTPLUG_CPU
+ select SYS_SUPPORTS_64BIT_KERNEL
+ select SYS_SUPPORTS_HIGHMEM
+ select SYS_SUPPORTS_LITTLE_ENDIAN
+ select LOONGSON_MC146818
+ select ZONE_DMA32
+ select LEFI_FIRMWARE_INTERFACE
+ help
+ Lemote Loongson 3A family machines utilize the 3A revision of
+ Loongson processor and RS780/SBX00 chipset.
endchoice
config CS5536
@@ -86,8 +116,25 @@
default y
depends on EARLY_PRINTK || SERIAL_8250
+config IOMMU_HELPER
+ bool
+
+config NEED_SG_DMA_LENGTH
+ bool
+
+config SWIOTLB
+ bool "Soft IOMMU Support for All-Memory DMA"
+ default y
+ depends on CPU_LOONGSON3
+ select IOMMU_HELPER
+ select NEED_SG_DMA_LENGTH
+ select NEED_DMA_MAP_STATE
+
config LOONGSON_MC146818
bool
default n
+config LEFI_FIRMWARE_INTERFACE
+ bool
+
endif # MACH_LOONGSON
diff --git a/arch/mips/loongson/Makefile b/arch/mips/loongson/Makefile
index 0dc0055..7429994 100644
--- a/arch/mips/loongson/Makefile
+++ b/arch/mips/loongson/Makefile
@@ -15,3 +15,9 @@
#
obj-$(CONFIG_LEMOTE_MACH2F) += lemote-2f/
+
+#
+# All Loongson-3 family machines
+#
+
+obj-$(CONFIG_CPU_LOONGSON3) += loongson-3/
diff --git a/arch/mips/loongson/Platform b/arch/mips/loongson/Platform
index 29692e5..6205372b6 100644
--- a/arch/mips/loongson/Platform
+++ b/arch/mips/loongson/Platform
@@ -30,3 +30,4 @@
cflags-$(CONFIG_MACH_LOONGSON) += -I$(srctree)/arch/mips/include/asm/mach-loongson -mno-branch-likely
load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000
load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000
+load-$(CONFIG_CPU_LOONGSON3) += 0xffffffff80200000
diff --git a/arch/mips/loongson/common/Makefile b/arch/mips/loongson/common/Makefile
index 9e4484c..0bb9cc9 100644
--- a/arch/mips/loongson/common/Makefile
+++ b/arch/mips/loongson/common/Makefile
@@ -26,3 +26,8 @@
#
obj-$(CONFIG_LOONGSON_SUSPEND) += pm.o
+
+#
+# Big Memory (SWIOTLB) Support
+#
+obj-$(CONFIG_SWIOTLB) += dma-swiotlb.o
diff --git a/arch/mips/loongson/common/dma-swiotlb.c b/arch/mips/loongson/common/dma-swiotlb.c
new file mode 100644
index 0000000..c2be01f
--- /dev/null
+++ b/arch/mips/loongson/common/dma-swiotlb.c
@@ -0,0 +1,136 @@
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+#include <linux/scatterlist.h>
+#include <linux/swiotlb.h>
+#include <linux/bootmem.h>
+
+#include <asm/bootinfo.h>
+#include <boot_param.h>
+#include <dma-coherence.h>
+
+static void *loongson_dma_alloc_coherent(struct device *dev, size_t size,
+ dma_addr_t *dma_handle, gfp_t gfp, struct dma_attrs *attrs)
+{
+ void *ret;
+
+ if (dma_alloc_from_coherent(dev, size, dma_handle, &ret))
+ return ret;
+
+ /* ignore region specifiers */
+ gfp &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM);
+
+#ifdef CONFIG_ISA
+ if (dev == NULL)
+ gfp |= __GFP_DMA;
+ else
+#endif
+#ifdef CONFIG_ZONE_DMA
+ if (dev->coherent_dma_mask < DMA_BIT_MASK(32))
+ gfp |= __GFP_DMA;
+ else
+#endif
+#ifdef CONFIG_ZONE_DMA32
+ if (dev->coherent_dma_mask < DMA_BIT_MASK(40))
+ gfp |= __GFP_DMA32;
+ else
+#endif
+ ;
+ gfp |= __GFP_NORETRY;
+
+ ret = swiotlb_alloc_coherent(dev, size, dma_handle, gfp);
+ mb();
+ return ret;
+}
+
+static void loongson_dma_free_coherent(struct device *dev, size_t size,
+ void *vaddr, dma_addr_t dma_handle, struct dma_attrs *attrs)
+{
+ int order = get_order(size);
+
+ if (dma_release_from_coherent(dev, order, vaddr))
+ return;
+
+ swiotlb_free_coherent(dev, size, vaddr, dma_handle);
+}
+
+static dma_addr_t loongson_dma_map_page(struct device *dev, struct page *page,
+ unsigned long offset, size_t size,
+ enum dma_data_direction dir,
+ struct dma_attrs *attrs)
+{
+ dma_addr_t daddr = swiotlb_map_page(dev, page, offset, size,
+ dir, attrs);
+ mb();
+ return daddr;
+}
+
+static int loongson_dma_map_sg(struct device *dev, struct scatterlist *sg,
+ int nents, enum dma_data_direction dir,
+ struct dma_attrs *attrs)
+{
+ int r = swiotlb_map_sg_attrs(dev, sg, nents, dir, NULL);
+ mb();
+
+ return r;
+}
+
+static void loongson_dma_sync_single_for_device(struct device *dev,
+ dma_addr_t dma_handle, size_t size,
+ enum dma_data_direction dir)
+{
+ swiotlb_sync_single_for_device(dev, dma_handle, size, dir);
+ mb();
+}
+
+static void loongson_dma_sync_sg_for_device(struct device *dev,
+ struct scatterlist *sg, int nents,
+ enum dma_data_direction dir)
+{
+ swiotlb_sync_sg_for_device(dev, sg, nents, dir);
+ mb();
+}
+
+static int loongson_dma_set_mask(struct device *dev, u64 mask)
+{
+ if (mask > DMA_BIT_MASK(loongson_sysconf.dma_mask_bits)) {
+ *dev->dma_mask = DMA_BIT_MASK(loongson_sysconf.dma_mask_bits);
+ return -EIO;
+ }
+
+ *dev->dma_mask = mask;
+
+ return 0;
+}
+
+dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
+{
+ return paddr;
+}
+
+phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
+{
+ return daddr;
+}
+
+static struct dma_map_ops loongson_dma_map_ops = {
+ .alloc = loongson_dma_alloc_coherent,
+ .free = loongson_dma_free_coherent,
+ .map_page = loongson_dma_map_page,
+ .unmap_page = swiotlb_unmap_page,
+ .map_sg = loongson_dma_map_sg,
+ .unmap_sg = swiotlb_unmap_sg_attrs,
+ .sync_single_for_cpu = swiotlb_sync_single_for_cpu,
+ .sync_single_for_device = loongson_dma_sync_single_for_device,
+ .sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
+ .sync_sg_for_device = loongson_dma_sync_sg_for_device,
+ .mapping_error = swiotlb_dma_mapping_error,
+ .dma_supported = swiotlb_dma_supported,
+ .set_dma_mask = loongson_dma_set_mask
+};
+
+void __init plat_swiotlb_setup(void)
+{
+ swiotlb_init(1);
+ mips_dma_map_ops = &loongson_dma_map_ops;
+}
diff --git a/arch/mips/loongson/common/env.c b/arch/mips/loongson/common/env.c
index 0a18fcf..0c543ea 100644
--- a/arch/mips/loongson/common/env.c
+++ b/arch/mips/loongson/common/env.c
@@ -18,29 +18,30 @@
* option) any later version.
*/
#include <linux/module.h>
-
#include <asm/bootinfo.h>
-
#include <loongson.h>
+#include <boot_param.h>
-unsigned long cpu_clock_freq;
+u32 cpu_clock_freq;
EXPORT_SYMBOL(cpu_clock_freq);
-unsigned long memsize, highmemsize;
+struct efi_memory_map_loongson *loongson_memmap;
+struct loongson_system_configuration loongson_sysconf;
#define parse_even_earlier(res, option, p) \
do { \
unsigned int tmp __maybe_unused; \
\
if (strncmp(option, (char *)p, strlen(option)) == 0) \
- tmp = strict_strtol((char *)p + strlen(option"="), 10, &res); \
+ tmp = kstrtou32((char *)p + strlen(option"="), 10, &res); \
} while (0)
void __init prom_init_env(void)
{
/* pmon passes arguments in 32bit pointers */
- int *_prom_envp;
- unsigned long bus_clock;
unsigned int processor_id;
+
+#ifndef CONFIG_LEFI_FIRMWARE_INTERFACE
+ int *_prom_envp;
long l;
/* firmware arguments are initialized in head.S */
@@ -48,7 +49,6 @@
l = (long)*_prom_envp;
while (l != 0) {
- parse_even_earlier(bus_clock, "busclock", l);
parse_even_earlier(cpu_clock_freq, "cpuclock", l);
parse_even_earlier(memsize, "memsize", l);
parse_even_earlier(highmemsize, "highmemsize", l);
@@ -57,8 +57,48 @@
}
if (memsize == 0)
memsize = 256;
- if (bus_clock == 0)
- bus_clock = 66000000;
+ pr_info("memsize=%u, highmemsize=%u\n", memsize, highmemsize);
+#else
+ struct boot_params *boot_p;
+ struct loongson_params *loongson_p;
+ struct efi_cpuinfo_loongson *ecpu;
+ struct irq_source_routing_table *eirq_source;
+
+ /* firmware arguments are initialized in head.S */
+ boot_p = (struct boot_params *)fw_arg2;
+ loongson_p = &(boot_p->efi.smbios.lp);
+
+ ecpu = (struct efi_cpuinfo_loongson *)
+ ((u64)loongson_p + loongson_p->cpu_offset);
+ eirq_source = (struct irq_source_routing_table *)
+ ((u64)loongson_p + loongson_p->irq_offset);
+ loongson_memmap = (struct efi_memory_map_loongson *)
+ ((u64)loongson_p + loongson_p->memory_offset);
+
+ cpu_clock_freq = ecpu->cpu_clock_freq;
+ loongson_sysconf.cputype = ecpu->cputype;
+ loongson_sysconf.nr_cpus = ecpu->nr_cpus;
+ if (ecpu->nr_cpus > NR_CPUS || ecpu->nr_cpus == 0)
+ loongson_sysconf.nr_cpus = NR_CPUS;
+
+ loongson_sysconf.pci_mem_start_addr = eirq_source->pci_mem_start_addr;
+ loongson_sysconf.pci_mem_end_addr = eirq_source->pci_mem_end_addr;
+ loongson_sysconf.pci_io_base = eirq_source->pci_io_start_addr;
+ loongson_sysconf.dma_mask_bits = eirq_source->dma_mask_bits;
+ if (loongson_sysconf.dma_mask_bits < 32 ||
+ loongson_sysconf.dma_mask_bits > 64)
+ loongson_sysconf.dma_mask_bits = 32;
+
+ loongson_sysconf.restart_addr = boot_p->reset_system.ResetWarm;
+ loongson_sysconf.poweroff_addr = boot_p->reset_system.Shutdown;
+ loongson_sysconf.suspend_addr = boot_p->reset_system.DoSuspend;
+
+ loongson_sysconf.ht_control_base = 0x90000EFDFB000000;
+ loongson_sysconf.vgabios_addr = boot_p->efi.smbios.vga_bios;
+ pr_debug("Shutdown Addr: %llx, Restart Addr: %llx, VBIOS Addr: %llx\n",
+ loongson_sysconf.poweroff_addr, loongson_sysconf.restart_addr,
+ loongson_sysconf.vgabios_addr);
+#endif
if (cpu_clock_freq == 0) {
processor_id = (¤t_cpu_data)->processor_id;
switch (processor_id & PRID_REV_MASK) {
@@ -68,12 +108,13 @@
case PRID_REV_LOONGSON2F:
cpu_clock_freq = 797000000;
break;
+ case PRID_REV_LOONGSON3A:
+ cpu_clock_freq = 900000000;
+ break;
default:
cpu_clock_freq = 100000000;
break;
}
}
-
- pr_info("busclock=%ld, cpuclock=%ld, memsize=%ld, highmemsize=%ld\n",
- bus_clock, cpu_clock_freq, memsize, highmemsize);
+ pr_info("CpuClock = %u\n", cpu_clock_freq);
}
diff --git a/arch/mips/loongson/common/init.c b/arch/mips/loongson/common/init.c
index ae7af1f..f37fe54 100644
--- a/arch/mips/loongson/common/init.c
+++ b/arch/mips/loongson/common/init.c
@@ -9,6 +9,7 @@
*/
#include <linux/bootmem.h>
+#include <asm/smp-ops.h>
#include <loongson.h>
@@ -17,10 +18,6 @@
void __init prom_init(void)
{
- /* init base address of io space */
- set_io_port_base((unsigned long)
- ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE));
-
#ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG
_loongson_addrwincfg_base = (unsigned long)
ioremap(LOONGSON_ADDRWINCFG_BASE, LOONGSON_ADDRWINCFG_SIZE);
@@ -28,10 +25,16 @@
prom_init_cmdline();
prom_init_env();
+
+ /* init base address of io space */
+ set_io_port_base((unsigned long)
+ ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE));
+
prom_init_memory();
/*init the uart base address */
prom_init_uart_base();
+ register_smp_ops(&loongson3_smp_ops);
}
void __init prom_free_prom_memory(void)
diff --git a/arch/mips/loongson/common/machtype.c b/arch/mips/loongson/common/machtype.c
index 4becd4f..1a47979 100644
--- a/arch/mips/loongson/common/machtype.c
+++ b/arch/mips/loongson/common/machtype.c
@@ -27,6 +27,10 @@
[MACH_DEXXON_GDIUM2F10] "dexxon-gdium-2f",
[MACH_LEMOTE_NAS] "lemote-nas-2f",
[MACH_LEMOTE_LL2F] "lemote-lynloong-2f",
+ [MACH_LEMOTE_A1004] "lemote-3a-notebook-a1004",
+ [MACH_LEMOTE_A1101] "lemote-3a-itx-a1101",
+ [MACH_LEMOTE_A1201] "lemote-2gq-notebook-a1201",
+ [MACH_LEMOTE_A1205] "lemote-2gq-aio-a1205",
[MACH_LOONGSON_END] NULL,
};
diff --git a/arch/mips/loongson/common/mem.c b/arch/mips/loongson/common/mem.c
index 8626a42..b01d524 100644
--- a/arch/mips/loongson/common/mem.c
+++ b/arch/mips/loongson/common/mem.c
@@ -11,9 +11,14 @@
#include <asm/bootinfo.h>
#include <loongson.h>
+#include <boot_param.h>
#include <mem.h>
#include <pci.h>
+#ifndef CONFIG_LEFI_FIRMWARE_INTERFACE
+
+u32 memsize, highmemsize;
+
void __init prom_init_memory(void)
{
add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM);
@@ -49,6 +54,43 @@
#endif /* !CONFIG_64BIT */
}
+#else /* CONFIG_LEFI_FIRMWARE_INTERFACE */
+
+void __init prom_init_memory(void)
+{
+ int i;
+ u32 node_id;
+ u32 mem_type;
+
+ /* parse memory information */
+ for (i = 0; i < loongson_memmap->nr_map; i++) {
+ node_id = loongson_memmap->map[i].node_id;
+ mem_type = loongson_memmap->map[i].mem_type;
+
+ if (node_id == 0) {
+ switch (mem_type) {
+ case SYSTEM_RAM_LOW:
+ add_memory_region(loongson_memmap->map[i].mem_start,
+ (u64)loongson_memmap->map[i].mem_size << 20,
+ BOOT_MEM_RAM);
+ break;
+ case SYSTEM_RAM_HIGH:
+ add_memory_region(loongson_memmap->map[i].mem_start,
+ (u64)loongson_memmap->map[i].mem_size << 20,
+ BOOT_MEM_RAM);
+ break;
+ case MEM_RESERVED:
+ add_memory_region(loongson_memmap->map[i].mem_start,
+ (u64)loongson_memmap->map[i].mem_size << 20,
+ BOOT_MEM_RESERVED);
+ break;
+ }
+ }
+ }
+}
+
+#endif /* CONFIG_LEFI_FIRMWARE_INTERFACE */
+
/* override of arch/mips/mm/cache.c: __uncached_access */
int __uncached_access(struct file *file, unsigned long addr)
{
diff --git a/arch/mips/loongson/common/pci.c b/arch/mips/loongson/common/pci.c
index fa77844..003ab4e 100644
--- a/arch/mips/loongson/common/pci.c
+++ b/arch/mips/loongson/common/pci.c
@@ -11,6 +11,7 @@
#include <pci.h>
#include <loongson.h>
+#include <boot_param.h>
static struct resource loongson_pci_mem_resource = {
.name = "pci memory space",
@@ -82,7 +83,10 @@
setup_pcimap();
loongson_pci_controller.io_map_base = mips_io_port_base;
-
+#ifdef CONFIG_LEFI_FIRMWARE_INTERFACE
+ loongson_pci_mem_resource.start = loongson_sysconf.pci_mem_start_addr;
+ loongson_pci_mem_resource.end = loongson_sysconf.pci_mem_end_addr;
+#endif
register_pci_controller(&loongson_pci_controller);
return 0;
diff --git a/arch/mips/loongson/common/reset.c b/arch/mips/loongson/common/reset.c
index 65bfbb5..a60715e 100644
--- a/arch/mips/loongson/common/reset.c
+++ b/arch/mips/loongson/common/reset.c
@@ -16,6 +16,7 @@
#include <asm/reboot.h>
#include <loongson.h>
+#include <boot_param.h>
static inline void loongson_reboot(void)
{
@@ -37,17 +38,37 @@
static void loongson_restart(char *command)
{
+#ifndef CONFIG_LEFI_FIRMWARE_INTERFACE
/* do preparation for reboot */
mach_prepare_reboot();
/* reboot via jumping to boot base address */
loongson_reboot();
+#else
+ void (*fw_restart)(void) = (void *)loongson_sysconf.restart_addr;
+
+ fw_restart();
+ while (1) {
+ if (cpu_wait)
+ cpu_wait();
+ }
+#endif
}
static void loongson_poweroff(void)
{
+#ifndef CONFIG_LEFI_FIRMWARE_INTERFACE
mach_prepare_shutdown();
unreachable();
+#else
+ void (*fw_poweroff)(void) = (void *)loongson_sysconf.poweroff_addr;
+
+ fw_poweroff();
+ while (1) {
+ if (cpu_wait)
+ cpu_wait();
+ }
+#endif
}
static void loongson_halt(void)
diff --git a/arch/mips/loongson/common/serial.c b/arch/mips/loongson/common/serial.c
index 5f2b78a..bd2b709 100644
--- a/arch/mips/loongson/common/serial.c
+++ b/arch/mips/loongson/common/serial.c
@@ -19,19 +19,19 @@
#include <loongson.h>
#include <machine.h>
-#define PORT(int) \
+#define PORT(int, clk) \
{ \
.irq = int, \
- .uartclk = 1843200, \
+ .uartclk = clk, \
.iotype = UPIO_PORT, \
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \
.regshift = 0, \
}
-#define PORT_M(int) \
+#define PORT_M(int, clk) \
{ \
.irq = MIPS_CPU_IRQ_BASE + (int), \
- .uartclk = 3686400, \
+ .uartclk = clk, \
.iotype = UPIO_MEM, \
.membase = (void __iomem *)NULL, \
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \
@@ -40,13 +40,17 @@
static struct plat_serial8250_port uart8250_data[][2] = {
[MACH_LOONGSON_UNKNOWN] {},
- [MACH_LEMOTE_FL2E] {PORT(4), {} },
- [MACH_LEMOTE_FL2F] {PORT(3), {} },
- [MACH_LEMOTE_ML2F7] {PORT_M(3), {} },
- [MACH_LEMOTE_YL2F89] {PORT_M(3), {} },
- [MACH_DEXXON_GDIUM2F10] {PORT_M(3), {} },
- [MACH_LEMOTE_NAS] {PORT_M(3), {} },
- [MACH_LEMOTE_LL2F] {PORT(3), {} },
+ [MACH_LEMOTE_FL2E] {PORT(4, 1843200), {} },
+ [MACH_LEMOTE_FL2F] {PORT(3, 1843200), {} },
+ [MACH_LEMOTE_ML2F7] {PORT_M(3, 3686400), {} },
+ [MACH_LEMOTE_YL2F89] {PORT_M(3, 3686400), {} },
+ [MACH_DEXXON_GDIUM2F10] {PORT_M(3, 3686400), {} },
+ [MACH_LEMOTE_NAS] {PORT_M(3, 3686400), {} },
+ [MACH_LEMOTE_LL2F] {PORT(3, 1843200), {} },
+ [MACH_LEMOTE_A1004] {PORT_M(2, 33177600), {} },
+ [MACH_LEMOTE_A1101] {PORT_M(2, 25000000), {} },
+ [MACH_LEMOTE_A1201] {PORT_M(2, 25000000), {} },
+ [MACH_LEMOTE_A1205] {PORT_M(2, 25000000), {} },
[MACH_LOONGSON_END] {},
};
diff --git a/arch/mips/loongson/common/setup.c b/arch/mips/loongson/common/setup.c
index 8223f8a..bb4ac92 100644
--- a/arch/mips/loongson/common/setup.c
+++ b/arch/mips/loongson/common/setup.c
@@ -18,9 +18,6 @@
#include <linux/screen_info.h>
#endif
-void (*__wbflush)(void);
-EXPORT_SYMBOL(__wbflush);
-
static void wbflush_loongson(void)
{
asm(".set\tpush\n\t"
@@ -32,10 +29,11 @@
".set mips0\n\t");
}
+void (*__wbflush)(void) = wbflush_loongson;
+EXPORT_SYMBOL(__wbflush);
+
void __init plat_mem_setup(void)
{
- __wbflush = wbflush_loongson;
-
#ifdef CONFIG_VT
#if defined(CONFIG_VGA_CONSOLE)
conswitchp = &vga_con;
diff --git a/arch/mips/loongson/common/uart_base.c b/arch/mips/loongson/common/uart_base.c
index e192ad0..1e1eeea 100644
--- a/arch/mips/loongson/common/uart_base.c
+++ b/arch/mips/loongson/common/uart_base.c
@@ -35,9 +35,16 @@
case MACH_DEXXON_GDIUM2F10:
case MACH_LEMOTE_NAS:
default:
- /* The CPU provided serial port */
+ /* The CPU provided serial port (LPC) */
loongson_uart_base = LOONGSON_LIO1_BASE + 0x3f8;
break;
+ case MACH_LEMOTE_A1004:
+ case MACH_LEMOTE_A1101:
+ case MACH_LEMOTE_A1201:
+ case MACH_LEMOTE_A1205:
+ /* The CPU provided serial port (CPU) */
+ loongson_uart_base = LOONGSON_REG_BASE + 0x1e0;
+ break;
}
_loongson_uart_base =
diff --git a/arch/mips/loongson/loongson-3/Makefile b/arch/mips/loongson/loongson-3/Makefile
new file mode 100644
index 0000000..70152b2
--- /dev/null
+++ b/arch/mips/loongson/loongson-3/Makefile
@@ -0,0 +1,6 @@
+#
+# Makefile for Loongson-3 family machines
+#
+obj-y += irq.o
+
+obj-$(CONFIG_SMP) += smp.o
diff --git a/arch/mips/loongson/loongson-3/irq.c b/arch/mips/loongson/loongson-3/irq.c
new file mode 100644
index 0000000..f240828
--- /dev/null
+++ b/arch/mips/loongson/loongson-3/irq.c
@@ -0,0 +1,126 @@
+#include <loongson.h>
+#include <irq.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+
+#include <asm/irq_cpu.h>
+#include <asm/i8259.h>
+#include <asm/mipsregs.h>
+
+unsigned int ht_irq[] = {1, 3, 4, 5, 6, 7, 8, 12, 14, 15};
+
+static void ht_irqdispatch(void)
+{
+ unsigned int i, irq;
+
+ irq = LOONGSON_HT1_INT_VECTOR(0);
+ LOONGSON_HT1_INT_VECTOR(0) = irq; /* Acknowledge the IRQs */
+
+ for (i = 0; i < ARRAY_SIZE(ht_irq); i++) {
+ if (irq & (0x1 << ht_irq[i]))
+ do_IRQ(ht_irq[i]);
+ }
+}
+
+void mach_irq_dispatch(unsigned int pending)
+{
+ if (pending & CAUSEF_IP7)
+ do_IRQ(LOONGSON_TIMER_IRQ);
+#if defined(CONFIG_SMP)
+ else if (pending & CAUSEF_IP6)
+ loongson3_ipi_interrupt(NULL);
+#endif
+ else if (pending & CAUSEF_IP3)
+ ht_irqdispatch();
+ else if (pending & CAUSEF_IP2)
+ do_IRQ(LOONGSON_UART_IRQ);
+ else {
+ pr_err("%s : spurious interrupt\n", __func__);
+ spurious_interrupt();
+ }
+}
+
+static struct irqaction cascade_irqaction = {
+ .handler = no_action,
+ .name = "cascade",
+};
+
+static inline void mask_loongson_irq(struct irq_data *d)
+{
+ clear_c0_status(0x100 << (d->irq - MIPS_CPU_IRQ_BASE));
+ irq_disable_hazard();
+
+ /* Workaround: UART IRQ may deliver to any core */
+ if (d->irq == LOONGSON_UART_IRQ) {
+ int cpu = smp_processor_id();
+
+ LOONGSON_INT_ROUTER_INTENCLR = 1 << 10;
+ LOONGSON_INT_ROUTER_LPC = 0x10 + (1<<cpu);
+ }
+}
+
+static inline void unmask_loongson_irq(struct irq_data *d)
+{
+ /* Workaround: UART IRQ may deliver to any core */
+ if (d->irq == LOONGSON_UART_IRQ) {
+ int cpu = smp_processor_id();
+
+ LOONGSON_INT_ROUTER_INTENSET = 1 << 10;
+ LOONGSON_INT_ROUTER_LPC = 0x10 + (1<<cpu);
+ }
+
+ set_c0_status(0x100 << (d->irq - MIPS_CPU_IRQ_BASE));
+ irq_enable_hazard();
+}
+
+ /* For MIPS IRQs which shared by all cores */
+static struct irq_chip loongson_irq_chip = {
+ .name = "Loongson",
+ .irq_ack = mask_loongson_irq,
+ .irq_mask = mask_loongson_irq,
+ .irq_mask_ack = mask_loongson_irq,
+ .irq_unmask = unmask_loongson_irq,
+ .irq_eoi = unmask_loongson_irq,
+};
+
+void irq_router_init(void)
+{
+ int i;
+
+ /* route LPC int to cpu core0 int 0 */
+ LOONGSON_INT_ROUTER_LPC = LOONGSON_INT_CORE0_INT0;
+ /* route HT1 int0 ~ int7 to cpu core0 INT1*/
+ for (i = 0; i < 8; i++)
+ LOONGSON_INT_ROUTER_HT1(i) = LOONGSON_INT_CORE0_INT1;
+ /* enable HT1 interrupt */
+ LOONGSON_HT1_INTN_EN(0) = 0xffffffff;
+ /* enable router interrupt intenset */
+ LOONGSON_INT_ROUTER_INTENSET =
+ LOONGSON_INT_ROUTER_INTEN | (0xffff << 16) | 0x1 << 10;
+}
+
+void __init mach_init_irq(void)
+{
+ clear_c0_status(ST0_IM | ST0_BEV);
+
+ irq_router_init();
+ mips_cpu_irq_init();
+ init_i8259_irqs();
+ irq_set_chip_and_handler(LOONGSON_UART_IRQ,
+ &loongson_irq_chip, handle_level_irq);
+
+ /* setup HT1 irq */
+ setup_irq(LOONGSON_HT1_IRQ, &cascade_irqaction);
+
+ set_c0_status(STATUSF_IP2 | STATUSF_IP6);
+}
+
+#ifdef CONFIG_HOTPLUG_CPU
+
+void fixup_irqs(void)
+{
+ irq_cpu_offline();
+ clear_c0_status(ST0_IM);
+}
+
+#endif
diff --git a/arch/mips/loongson/loongson-3/smp.c b/arch/mips/loongson/loongson-3/smp.c
new file mode 100644
index 0000000..c665fe1
--- /dev/null
+++ b/arch/mips/loongson/loongson-3/smp.c
@@ -0,0 +1,443 @@
+/*
+ * Copyright (C) 2010, 2011, 2012, Lemote, Inc.
+ * Author: Chen Huacai, chenhc@lemote.com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/cpu.h>
+#include <linux/sched.h>
+#include <linux/smp.h>
+#include <linux/cpufreq.h>
+#include <asm/processor.h>
+#include <asm/time.h>
+#include <asm/clock.h>
+#include <asm/tlbflush.h>
+#include <asm/cacheflush.h>
+#include <loongson.h>
+
+#include "smp.h"
+
+DEFINE_PER_CPU(int, cpu_state);
+DEFINE_PER_CPU(uint32_t, core0_c0count);
+
+/* read a 32bit value from ipi register */
+#define loongson3_ipi_read32(addr) readl(addr)
+/* read a 64bit value from ipi register */
+#define loongson3_ipi_read64(addr) readq(addr)
+/* write a 32bit value to ipi register */
+#define loongson3_ipi_write32(action, addr) \
+ do { \
+ writel(action, addr); \
+ __wbflush(); \
+ } while (0)
+/* write a 64bit value to ipi register */
+#define loongson3_ipi_write64(action, addr) \
+ do { \
+ writeq(action, addr); \
+ __wbflush(); \
+ } while (0)
+
+static void *ipi_set0_regs[] = {
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE0_OFFSET + SET0),
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE1_OFFSET + SET0),
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE2_OFFSET + SET0),
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE3_OFFSET + SET0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE0_OFFSET + SET0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE1_OFFSET + SET0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE2_OFFSET + SET0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE3_OFFSET + SET0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE0_OFFSET + SET0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE1_OFFSET + SET0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE2_OFFSET + SET0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE3_OFFSET + SET0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE0_OFFSET + SET0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE1_OFFSET + SET0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE2_OFFSET + SET0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE3_OFFSET + SET0),
+};
+
+static void *ipi_clear0_regs[] = {
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE0_OFFSET + CLEAR0),
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE1_OFFSET + CLEAR0),
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE2_OFFSET + CLEAR0),
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE3_OFFSET + CLEAR0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE0_OFFSET + CLEAR0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE1_OFFSET + CLEAR0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE2_OFFSET + CLEAR0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE3_OFFSET + CLEAR0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE0_OFFSET + CLEAR0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE1_OFFSET + CLEAR0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE2_OFFSET + CLEAR0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE3_OFFSET + CLEAR0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE0_OFFSET + CLEAR0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE1_OFFSET + CLEAR0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE2_OFFSET + CLEAR0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE3_OFFSET + CLEAR0),
+};
+
+static void *ipi_status0_regs[] = {
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE0_OFFSET + STATUS0),
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE1_OFFSET + STATUS0),
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE2_OFFSET + STATUS0),
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE3_OFFSET + STATUS0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE0_OFFSET + STATUS0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE1_OFFSET + STATUS0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE2_OFFSET + STATUS0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE3_OFFSET + STATUS0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE0_OFFSET + STATUS0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE1_OFFSET + STATUS0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE2_OFFSET + STATUS0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE3_OFFSET + STATUS0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE0_OFFSET + STATUS0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE1_OFFSET + STATUS0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE2_OFFSET + STATUS0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE3_OFFSET + STATUS0),
+};
+
+static void *ipi_en0_regs[] = {
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE0_OFFSET + EN0),
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE1_OFFSET + EN0),
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE2_OFFSET + EN0),
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE3_OFFSET + EN0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE0_OFFSET + EN0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE1_OFFSET + EN0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE2_OFFSET + EN0),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE3_OFFSET + EN0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE0_OFFSET + EN0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE1_OFFSET + EN0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE2_OFFSET + EN0),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE3_OFFSET + EN0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE0_OFFSET + EN0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE1_OFFSET + EN0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE2_OFFSET + EN0),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE3_OFFSET + EN0),
+};
+
+static void *ipi_mailbox_buf[] = {
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE0_OFFSET + BUF),
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE1_OFFSET + BUF),
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE2_OFFSET + BUF),
+ (void *)(SMP_CORE_GROUP0_BASE + SMP_CORE3_OFFSET + BUF),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE0_OFFSET + BUF),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE1_OFFSET + BUF),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE2_OFFSET + BUF),
+ (void *)(SMP_CORE_GROUP1_BASE + SMP_CORE3_OFFSET + BUF),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE0_OFFSET + BUF),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE1_OFFSET + BUF),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE2_OFFSET + BUF),
+ (void *)(SMP_CORE_GROUP2_BASE + SMP_CORE3_OFFSET + BUF),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE0_OFFSET + BUF),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE1_OFFSET + BUF),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE2_OFFSET + BUF),
+ (void *)(SMP_CORE_GROUP3_BASE + SMP_CORE3_OFFSET + BUF),
+};
+
+/*
+ * Simple enough, just poke the appropriate ipi register
+ */
+static void loongson3_send_ipi_single(int cpu, unsigned int action)
+{
+ loongson3_ipi_write32((u32)action, ipi_set0_regs[cpu]);
+}
+
+static void
+loongson3_send_ipi_mask(const struct cpumask *mask, unsigned int action)
+{
+ unsigned int i;
+
+ for_each_cpu(i, mask)
+ loongson3_ipi_write32((u32)action, ipi_set0_regs[i]);
+}
+
+void loongson3_ipi_interrupt(struct pt_regs *regs)
+{
+ int i, cpu = smp_processor_id();
+ unsigned int action, c0count;
+
+ /* Load the ipi register to figure out what we're supposed to do */
+ action = loongson3_ipi_read32(ipi_status0_regs[cpu]);
+
+ /* Clear the ipi register to clear the interrupt */
+ loongson3_ipi_write32((u32)action, ipi_clear0_regs[cpu]);
+
+ if (action & SMP_RESCHEDULE_YOURSELF)
+ scheduler_ipi();
+
+ if (action & SMP_CALL_FUNCTION)
+ smp_call_function_interrupt();
+
+ if (action & SMP_ASK_C0COUNT) {
+ BUG_ON(cpu != 0);
+ c0count = read_c0_count();
+ for (i = 1; i < loongson_sysconf.nr_cpus; i++)
+ per_cpu(core0_c0count, i) = c0count;
+ }
+}
+
+#define MAX_LOOPS 1111
+/*
+ * SMP init and finish on secondary CPUs
+ */
+static void loongson3_init_secondary(void)
+{
+ int i;
+ uint32_t initcount;
+ unsigned int cpu = smp_processor_id();
+ unsigned int imask = STATUSF_IP7 | STATUSF_IP6 |
+ STATUSF_IP3 | STATUSF_IP2;
+
+ /* Set interrupt mask, but don't enable */
+ change_c0_status(ST0_IM, imask);
+
+ for (i = 0; i < loongson_sysconf.nr_cpus; i++)
+ loongson3_ipi_write32(0xffffffff, ipi_en0_regs[i]);
+
+ per_cpu(cpu_state, cpu) = CPU_ONLINE;
+
+ i = 0;
+ __get_cpu_var(core0_c0count) = 0;
+ loongson3_send_ipi_single(0, SMP_ASK_C0COUNT);
+ while (!__get_cpu_var(core0_c0count)) {
+ i++;
+ cpu_relax();
+ }
+
+ if (i > MAX_LOOPS)
+ i = MAX_LOOPS;
+ initcount = __get_cpu_var(core0_c0count) + i;
+ write_c0_count(initcount);
+}
+
+static void loongson3_smp_finish(void)
+{
+ write_c0_compare(read_c0_count() + mips_hpt_frequency/HZ);
+ local_irq_enable();
+ loongson3_ipi_write64(0,
+ (void *)(ipi_mailbox_buf[smp_processor_id()]+0x0));
+ pr_info("CPU#%d finished, CP0_ST=%x\n",
+ smp_processor_id(), read_c0_status());
+}
+
+static void __init loongson3_smp_setup(void)
+{
+ int i, num;
+
+ init_cpu_possible(cpu_none_mask);
+ set_cpu_possible(0, true);
+
+ __cpu_number_map[0] = 0;
+ __cpu_logical_map[0] = 0;
+
+ /* For unified kernel, NR_CPUS is the maximum possible value,
+ * loongson_sysconf.nr_cpus is the really present value */
+ for (i = 1, num = 0; i < loongson_sysconf.nr_cpus; i++) {
+ set_cpu_possible(i, true);
+ __cpu_number_map[i] = ++num;
+ __cpu_logical_map[num] = i;
+ }
+ pr_info("Detected %i available secondary CPU(s)\n", num);
+}
+
+static void __init loongson3_prepare_cpus(unsigned int max_cpus)
+{
+ init_cpu_present(cpu_possible_mask);
+ per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
+}
+
+/*
+ * Setup the PC, SP, and GP of a secondary processor and start it runing!
+ */
+static void loongson3_boot_secondary(int cpu, struct task_struct *idle)
+{
+ unsigned long startargs[4];
+
+ pr_info("Booting CPU#%d...\n", cpu);
+
+ /* startargs[] are initial PC, SP and GP for secondary CPU */
+ startargs[0] = (unsigned long)&smp_bootstrap;
+ startargs[1] = (unsigned long)__KSTK_TOS(idle);
+ startargs[2] = (unsigned long)task_thread_info(idle);
+ startargs[3] = 0;
+
+ pr_debug("CPU#%d, func_pc=%lx, sp=%lx, gp=%lx\n",
+ cpu, startargs[0], startargs[1], startargs[2]);
+
+ loongson3_ipi_write64(startargs[3], (void *)(ipi_mailbox_buf[cpu]+0x18));
+ loongson3_ipi_write64(startargs[2], (void *)(ipi_mailbox_buf[cpu]+0x10));
+ loongson3_ipi_write64(startargs[1], (void *)(ipi_mailbox_buf[cpu]+0x8));
+ loongson3_ipi_write64(startargs[0], (void *)(ipi_mailbox_buf[cpu]+0x0));
+}
+
+/*
+ * Final cleanup after all secondaries booted
+ */
+static void __init loongson3_cpus_done(void)
+{
+}
+
+#ifdef CONFIG_HOTPLUG_CPU
+
+static int loongson3_cpu_disable(void)
+{
+ unsigned long flags;
+ unsigned int cpu = smp_processor_id();
+
+ if (cpu == 0)
+ return -EBUSY;
+
+ set_cpu_online(cpu, false);
+ cpu_clear(cpu, cpu_callin_map);
+ local_irq_save(flags);
+ fixup_irqs();
+ local_irq_restore(flags);
+ flush_cache_all();
+ local_flush_tlb_all();
+
+ return 0;
+}
+
+
+static void loongson3_cpu_die(unsigned int cpu)
+{
+ while (per_cpu(cpu_state, cpu) != CPU_DEAD)
+ cpu_relax();
+
+ mb();
+}
+
+/* To shutdown a core in Loongson 3, the target core should go to CKSEG1 and
+ * flush all L1 entries at first. Then, another core (usually Core 0) can
+ * safely disable the clock of the target core. loongson3_play_dead() is
+ * called via CKSEG1 (uncached and unmmaped) */
+static void loongson3_play_dead(int *state_addr)
+{
+ register int val;
+ register long cpuid, core, node, count;
+ register void *addr, *base, *initfunc;
+
+ __asm__ __volatile__(
+ " .set push \n"
+ " .set noreorder \n"
+ " li %[addr], 0x80000000 \n" /* KSEG0 */
+ "1: cache 0, 0(%[addr]) \n" /* flush L1 ICache */
+ " cache 0, 1(%[addr]) \n"
+ " cache 0, 2(%[addr]) \n"
+ " cache 0, 3(%[addr]) \n"
+ " cache 1, 0(%[addr]) \n" /* flush L1 DCache */
+ " cache 1, 1(%[addr]) \n"
+ " cache 1, 2(%[addr]) \n"
+ " cache 1, 3(%[addr]) \n"
+ " addiu %[sets], %[sets], -1 \n"
+ " bnez %[sets], 1b \n"
+ " addiu %[addr], %[addr], 0x20 \n"
+ " li %[val], 0x7 \n" /* *state_addr = CPU_DEAD; */
+ " sw %[val], (%[state_addr]) \n"
+ " sync \n"
+ " cache 21, (%[state_addr]) \n" /* flush entry of *state_addr */
+ " .set pop \n"
+ : [addr] "=&r" (addr), [val] "=&r" (val)
+ : [state_addr] "r" (state_addr),
+ [sets] "r" (cpu_data[smp_processor_id()].dcache.sets));
+
+ __asm__ __volatile__(
+ " .set push \n"
+ " .set noreorder \n"
+ " .set mips64 \n"
+ " mfc0 %[cpuid], $15, 1 \n"
+ " andi %[cpuid], 0x3ff \n"
+ " dli %[base], 0x900000003ff01000 \n"
+ " andi %[core], %[cpuid], 0x3 \n"
+ " sll %[core], 8 \n" /* get core id */
+ " or %[base], %[base], %[core] \n"
+ " andi %[node], %[cpuid], 0xc \n"
+ " dsll %[node], 42 \n" /* get node id */
+ " or %[base], %[base], %[node] \n"
+ "1: li %[count], 0x100 \n" /* wait for init loop */
+ "2: bnez %[count], 2b \n" /* limit mailbox access */
+ " addiu %[count], -1 \n"
+ " ld %[initfunc], 0x20(%[base]) \n" /* get PC via mailbox */
+ " beqz %[initfunc], 1b \n"
+ " nop \n"
+ " ld $sp, 0x28(%[base]) \n" /* get SP via mailbox */
+ " ld $gp, 0x30(%[base]) \n" /* get GP via mailbox */
+ " ld $a1, 0x38(%[base]) \n"
+ " jr %[initfunc] \n" /* jump to initial PC */
+ " nop \n"
+ " .set pop \n"
+ : [core] "=&r" (core), [node] "=&r" (node),
+ [base] "=&r" (base), [cpuid] "=&r" (cpuid),
+ [count] "=&r" (count), [initfunc] "=&r" (initfunc)
+ : /* No Input */
+ : "a1");
+}
+
+void play_dead(void)
+{
+ int *state_addr;
+ unsigned int cpu = smp_processor_id();
+ void (*play_dead_at_ckseg1)(int *);
+
+ idle_task_exit();
+ play_dead_at_ckseg1 =
+ (void *)CKSEG1ADDR((unsigned long)loongson3_play_dead);
+ state_addr = &per_cpu(cpu_state, cpu);
+ mb();
+ play_dead_at_ckseg1(state_addr);
+}
+
+#define CPU_POST_DEAD_FROZEN (CPU_POST_DEAD | CPU_TASKS_FROZEN)
+static int loongson3_cpu_callback(struct notifier_block *nfb,
+ unsigned long action, void *hcpu)
+{
+ unsigned int cpu = (unsigned long)hcpu;
+
+ switch (action) {
+ case CPU_POST_DEAD:
+ case CPU_POST_DEAD_FROZEN:
+ pr_info("Disable clock for CPU#%d\n", cpu);
+ LOONGSON_CHIPCFG0 &= ~(1 << (12 + cpu));
+ break;
+ case CPU_UP_PREPARE:
+ case CPU_UP_PREPARE_FROZEN:
+ pr_info("Enable clock for CPU#%d\n", cpu);
+ LOONGSON_CHIPCFG0 |= 1 << (12 + cpu);
+ break;
+ }
+
+ return NOTIFY_OK;
+}
+
+static int register_loongson3_notifier(void)
+{
+ hotcpu_notifier(loongson3_cpu_callback, 0);
+ return 0;
+}
+early_initcall(register_loongson3_notifier);
+
+#endif
+
+struct plat_smp_ops loongson3_smp_ops = {
+ .send_ipi_single = loongson3_send_ipi_single,
+ .send_ipi_mask = loongson3_send_ipi_mask,
+ .init_secondary = loongson3_init_secondary,
+ .smp_finish = loongson3_smp_finish,
+ .cpus_done = loongson3_cpus_done,
+ .boot_secondary = loongson3_boot_secondary,
+ .smp_setup = loongson3_smp_setup,
+ .prepare_cpus = loongson3_prepare_cpus,
+#ifdef CONFIG_HOTPLUG_CPU
+ .cpu_disable = loongson3_cpu_disable,
+ .cpu_die = loongson3_cpu_die,
+#endif
+};
diff --git a/arch/mips/loongson/loongson-3/smp.h b/arch/mips/loongson/loongson-3/smp.h
new file mode 100644
index 0000000..3453e8c
--- /dev/null
+++ b/arch/mips/loongson/loongson-3/smp.h
@@ -0,0 +1,29 @@
+#ifndef __LOONGSON_SMP_H_
+#define __LOONGSON_SMP_H_
+
+/* for Loongson-3A smp support */
+
+/* 4 groups(nodes) in maximum in numa case */
+#define SMP_CORE_GROUP0_BASE 0x900000003ff01000
+#define SMP_CORE_GROUP1_BASE 0x900010003ff01000
+#define SMP_CORE_GROUP2_BASE 0x900020003ff01000
+#define SMP_CORE_GROUP3_BASE 0x900030003ff01000
+
+/* 4 cores in each group(node) */
+#define SMP_CORE0_OFFSET 0x000
+#define SMP_CORE1_OFFSET 0x100
+#define SMP_CORE2_OFFSET 0x200
+#define SMP_CORE3_OFFSET 0x300
+
+/* ipi registers offsets */
+#define STATUS0 0x00
+#define EN0 0x04
+#define SET0 0x08
+#define CLEAR0 0x0c
+#define STATUS1 0x10
+#define MASK1 0x14
+#define SET1 0x18
+#define CLEAR1 0x1c
+#define BUF 0x20
+
+#endif
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 0b4e2e3..7b3c9ac 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -876,20 +876,43 @@
#endif
}
-#define SIFROMREG(si, x) ((si) = cop1_64bit(xcp) || !(x & 1) ? \
- (int)ctx->fpr[x] : (int)(ctx->fpr[x & ~1] >> 32))
+#define SIFROMREG(si, x) do { \
+ if (cop1_64bit(xcp)) \
+ (si) = get_fpr32(&ctx->fpr[x], 0); \
+ else \
+ (si) = get_fpr32(&ctx->fpr[(x) & ~1], (x) & 1); \
+} while (0)
-#define SITOREG(si, x) (ctx->fpr[x & ~(cop1_64bit(xcp) == 0)] = \
- cop1_64bit(xcp) || !(x & 1) ? \
- ctx->fpr[x & ~1] >> 32 << 32 | (u32)(si) : \
- ctx->fpr[x & ~1] << 32 >> 32 | (u64)(si) << 32)
+#define SITOREG(si, x) do { \
+ if (cop1_64bit(xcp)) { \
+ unsigned i; \
+ set_fpr32(&ctx->fpr[x], 0, si); \
+ for (i = 1; i < ARRAY_SIZE(ctx->fpr[x].val32); i++) \
+ set_fpr32(&ctx->fpr[x], i, 0); \
+ } else { \
+ set_fpr32(&ctx->fpr[(x) & ~1], (x) & 1, si); \
+ } \
+} while (0)
-#define SIFROMHREG(si, x) ((si) = (int)(ctx->fpr[x] >> 32))
-#define SITOHREG(si, x) (ctx->fpr[x] = \
- ctx->fpr[x] << 32 >> 32 | (u64)(si) << 32)
+#define SIFROMHREG(si, x) ((si) = get_fpr32(&ctx->fpr[x], 1))
-#define DIFROMREG(di, x) ((di) = ctx->fpr[x & ~(cop1_64bit(xcp) == 0)])
-#define DITOREG(di, x) (ctx->fpr[x & ~(cop1_64bit(xcp) == 0)] = (di))
+#define SITOHREG(si, x) do { \
+ unsigned i; \
+ set_fpr32(&ctx->fpr[x], 1, si); \
+ for (i = 2; i < ARRAY_SIZE(ctx->fpr[x].val32); i++) \
+ set_fpr32(&ctx->fpr[x], i, 0); \
+} while (0)
+
+#define DIFROMREG(di, x) \
+ ((di) = get_fpr64(&ctx->fpr[(x) & ~(cop1_64bit(xcp) == 0)], 0))
+
+#define DITOREG(di, x) do { \
+ unsigned fpr, i; \
+ fpr = (x) & ~(cop1_64bit(xcp) == 0); \
+ set_fpr64(&ctx->fpr[fpr], 0, di); \
+ for (i = 1; i < ARRAY_SIZE(ctx->fpr[x].val64); i++) \
+ set_fpr64(&ctx->fpr[fpr], i, 0); \
+} while (0)
#define SPFROMREG(sp, x) SIFROMREG((sp).bits, x)
#define SPTOREG(sp, x) SITOREG((sp).bits, x)
@@ -1960,15 +1983,18 @@
#if defined(__mips64)
case l_fmt:{
+ u64 bits;
+ DIFROMREG(bits, MIPSInst_FS(ir));
+
switch (MIPSInst_FUNC(ir)) {
case fcvts_op:
/* convert long to single precision real */
- rv.s = ieee754sp_flong(ctx->fpr[MIPSInst_FS(ir)]);
+ rv.s = ieee754sp_flong(bits);
rfmt = s_fmt;
goto copcsr;
case fcvtd_op:
/* convert long to double precision real */
- rv.d = ieee754dp_flong(ctx->fpr[MIPSInst_FS(ir)]);
+ rv.d = ieee754dp_flong(bits);
rfmt = d_fmt;
goto copcsr;
default:
diff --git a/arch/mips/math-emu/kernel_linkage.c b/arch/mips/math-emu/kernel_linkage.c
index 3aeae07..eb58a85 100644
--- a/arch/mips/math-emu/kernel_linkage.c
+++ b/arch/mips/math-emu/kernel_linkage.c
@@ -40,78 +40,6 @@
}
current->thread.fpu.fcr31 = 0;
- for (i = 0; i < 32; i++) {
- current->thread.fpu.fpr[i] = SIGNALLING_NAN;
- }
+ for (i = 0; i < 32; i++)
+ set_fpr64(¤t->thread.fpu.fpr[i], 0, SIGNALLING_NAN);
}
-
-
-/*
- * Emulator context save/restore to/from a signal context
- * presumed to be on the user stack, and therefore accessed
- * with appropriate macros from uaccess.h
- */
-
-int fpu_emulator_save_context(struct sigcontext __user *sc)
-{
- int i;
- int err = 0;
-
- for (i = 0; i < 32; i++) {
- err |=
- __put_user(current->thread.fpu.fpr[i], &sc->sc_fpregs[i]);
- }
- err |= __put_user(current->thread.fpu.fcr31, &sc->sc_fpc_csr);
-
- return err;
-}
-
-int fpu_emulator_restore_context(struct sigcontext __user *sc)
-{
- int i;
- int err = 0;
-
- for (i = 0; i < 32; i++) {
- err |=
- __get_user(current->thread.fpu.fpr[i], &sc->sc_fpregs[i]);
- }
- err |= __get_user(current->thread.fpu.fcr31, &sc->sc_fpc_csr);
-
- return err;
-}
-
-#ifdef CONFIG_64BIT
-/*
- * This is the o32 version
- */
-
-int fpu_emulator_save_context32(struct sigcontext32 __user *sc)
-{
- int i;
- int err = 0;
- int inc = test_thread_flag(TIF_32BIT_FPREGS) ? 2 : 1;
-
- for (i = 0; i < 32; i += inc) {
- err |=
- __put_user(current->thread.fpu.fpr[i], &sc->sc_fpregs[i]);
- }
- err |= __put_user(current->thread.fpu.fcr31, &sc->sc_fpc_csr);
-
- return err;
-}
-
-int fpu_emulator_restore_context32(struct sigcontext32 __user *sc)
-{
- int i;
- int err = 0;
- int inc = test_thread_flag(TIF_32BIT_FPREGS) ? 2 : 1;
-
- for (i = 0; i < 32; i += inc) {
- err |=
- __get_user(current->thread.fpu.fpr[i], &sc->sc_fpregs[i]);
- }
- err |= __get_user(current->thread.fpu.fcr31, &sc->sc_fpc_csr);
-
- return err;
-}
-#endif
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index c14259e..1c74a6a 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -57,7 +57,7 @@
preempt_enable();
}
-#if defined(CONFIG_MIPS_CMP)
+#if defined(CONFIG_MIPS_CMP) || defined(CONFIG_MIPS_CPS)
#define cpu_has_safe_index_cacheops 0
#else
#define cpu_has_safe_index_cacheops 1
@@ -123,6 +123,28 @@
r4k_blast_dcache_page = r4k_blast_dcache_page_dc64;
}
+#ifndef CONFIG_EVA
+#define r4k_blast_dcache_user_page r4k_blast_dcache_page
+#else
+
+static void (*r4k_blast_dcache_user_page)(unsigned long addr);
+
+static void r4k_blast_dcache_user_page_setup(void)
+{
+ unsigned long dc_lsize = cpu_dcache_line_size();
+
+ if (dc_lsize == 0)
+ r4k_blast_dcache_user_page = (void *)cache_noop;
+ else if (dc_lsize == 16)
+ r4k_blast_dcache_user_page = blast_dcache16_user_page;
+ else if (dc_lsize == 32)
+ r4k_blast_dcache_user_page = blast_dcache32_user_page;
+ else if (dc_lsize == 64)
+ r4k_blast_dcache_user_page = blast_dcache64_user_page;
+}
+
+#endif
+
static void (* r4k_blast_dcache_page_indexed)(unsigned long addr);
static void r4k_blast_dcache_page_indexed_setup(void)
@@ -245,6 +267,27 @@
r4k_blast_icache_page = blast_icache64_page;
}
+#ifndef CONFIG_EVA
+#define r4k_blast_icache_user_page r4k_blast_icache_page
+#else
+
+static void (*r4k_blast_icache_user_page)(unsigned long addr);
+
+static void __cpuinit r4k_blast_icache_user_page_setup(void)
+{
+ unsigned long ic_lsize = cpu_icache_line_size();
+
+ if (ic_lsize == 0)
+ r4k_blast_icache_user_page = (void *)cache_noop;
+ else if (ic_lsize == 16)
+ r4k_blast_icache_user_page = blast_icache16_user_page;
+ else if (ic_lsize == 32)
+ r4k_blast_icache_user_page = blast_icache32_user_page;
+ else if (ic_lsize == 64)
+ r4k_blast_icache_user_page = blast_icache64_user_page;
+}
+
+#endif
static void (* r4k_blast_icache_page_indexed)(unsigned long addr);
@@ -355,6 +398,7 @@
{
switch (current_cpu_type()) {
case CPU_LOONGSON2:
+ case CPU_LOONGSON3:
case CPU_R4000SC:
case CPU_R4000MC:
case CPU_R4400SC:
@@ -519,7 +563,8 @@
}
if (cpu_has_dc_aliases || (exec && !cpu_has_ic_fills_f_dc)) {
- r4k_blast_dcache_page(addr);
+ vaddr ? r4k_blast_dcache_page(addr) :
+ r4k_blast_dcache_user_page(addr);
if (exec && !cpu_icache_snoops_remote_store)
r4k_blast_scache_page(addr);
}
@@ -530,7 +575,8 @@
if (cpu_context(cpu, mm) != 0)
drop_mmu_context(mm, cpu);
} else
- r4k_blast_icache_page(addr);
+ vaddr ? r4k_blast_icache_page(addr) :
+ r4k_blast_icache_user_page(addr);
}
if (vaddr) {
@@ -595,6 +641,17 @@
break;
}
}
+#ifdef CONFIG_EVA
+ /*
+ * Due to all possible segment mappings, there might cache aliases
+ * caused by the bootloader being in non-EVA mode, and the CPU switching
+ * to EVA during early kernel init. It's best to flush the scache
+ * to avoid having secondary cores fetching stale data and lead to
+ * kernel crashes.
+ */
+ bc_wback_inv(start, (end - start));
+ __sync();
+#endif
}
static inline void local_r4k_flush_icache_range_ipi(void *args)
@@ -617,7 +674,7 @@
instruction_hazard();
}
-#ifdef CONFIG_DMA_NONCOHERENT
+#if defined(CONFIG_DMA_NONCOHERENT) || defined(CONFIG_DMA_MAYBE_COHERENT)
static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size)
{
@@ -688,7 +745,7 @@
bc_inv(addr, size);
__sync();
}
-#endif /* CONFIG_DMA_NONCOHERENT */
+#endif /* CONFIG_DMA_NONCOHERENT || CONFIG_DMA_MAYBE_COHERENT */
/*
* While we're protected against bad userland addresses we don't care
@@ -1010,6 +1067,33 @@
c->dcache.waybit = 0;
break;
+ case CPU_LOONGSON3:
+ config1 = read_c0_config1();
+ lsize = (config1 >> 19) & 7;
+ if (lsize)
+ c->icache.linesz = 2 << lsize;
+ else
+ c->icache.linesz = 0;
+ c->icache.sets = 64 << ((config1 >> 22) & 7);
+ c->icache.ways = 1 + ((config1 >> 16) & 7);
+ icache_size = c->icache.sets *
+ c->icache.ways *
+ c->icache.linesz;
+ c->icache.waybit = 0;
+
+ lsize = (config1 >> 10) & 7;
+ if (lsize)
+ c->dcache.linesz = 2 << lsize;
+ else
+ c->dcache.linesz = 0;
+ c->dcache.sets = 64 << ((config1 >> 13) & 7);
+ c->dcache.ways = 1 + ((config1 >> 7) & 7);
+ dcache_size = c->dcache.sets *
+ c->dcache.ways *
+ c->dcache.linesz;
+ c->dcache.waybit = 0;
+ break;
+
default:
if (!(config & MIPS_CONF_M))
panic("Don't know how to probe P-caches on this cpu.");
@@ -1113,13 +1197,21 @@
case CPU_34K:
case CPU_74K:
case CPU_1004K:
+ case CPU_1074K:
case CPU_INTERAPTIV:
+ case CPU_P5600:
case CPU_PROAPTIV:
- if (current_cpu_type() == CPU_74K)
+ case CPU_M5150:
+ if ((c->cputype == CPU_74K) || (c->cputype == CPU_1074K))
alias_74k_erratum(c);
- if ((read_c0_config7() & (1 << 16))) {
- /* effectively physically indexed dcache,
- thus no virtual aliases. */
+ if (!(read_c0_config7() & MIPS_CONF7_IAR) &&
+ (c->icache.waysize > PAGE_SIZE))
+ c->icache.flags |= MIPS_CACHE_ALIASES;
+ if (read_c0_config7() & MIPS_CONF7_AR) {
+ /*
+ * Effectively physically indexed dcache,
+ * thus no virtual aliases.
+ */
c->dcache.flags |= MIPS_CACHE_PINDEX;
break;
}
@@ -1239,6 +1331,33 @@
c->options |= MIPS_CPU_INCLUSIVE_CACHES;
}
+static void __init loongson3_sc_init(void)
+{
+ struct cpuinfo_mips *c = ¤t_cpu_data;
+ unsigned int config2, lsize;
+
+ config2 = read_c0_config2();
+ lsize = (config2 >> 4) & 15;
+ if (lsize)
+ c->scache.linesz = 2 << lsize;
+ else
+ c->scache.linesz = 0;
+ c->scache.sets = 64 << ((config2 >> 8) & 15);
+ c->scache.ways = 1 + (config2 & 15);
+
+ scache_size = c->scache.sets *
+ c->scache.ways *
+ c->scache.linesz;
+ /* Loongson-3 has 4 cores, 1MB scache for each. scaches are shared */
+ scache_size *= 4;
+ c->scache.waybit = 0;
+ pr_info("Unified secondary cache %ldkB %s, linesize %d bytes.\n",
+ scache_size >> 10, way_string[c->scache.ways], c->scache.linesz);
+ if (scache_size)
+ c->options |= MIPS_CPU_INCLUSIVE_CACHES;
+ return;
+}
+
extern int r5k_sc_init(void);
extern int rm7k_sc_init(void);
extern int mips_sc_init(void);
@@ -1291,6 +1410,10 @@
loongson2_sc_init();
return;
+ case CPU_LOONGSON3:
+ loongson3_sc_init();
+ return;
+
case CPU_XLP:
/* don't need to worry about L2, fully coherent */
return;
@@ -1461,6 +1584,10 @@
r4k_blast_scache_page_setup();
r4k_blast_scache_page_indexed_setup();
r4k_blast_scache_setup();
+#ifdef CONFIG_EVA
+ r4k_blast_dcache_user_page_setup();
+ r4k_blast_icache_user_page_setup();
+#endif
/*
* Some MIPS32 and MIPS64 processors have physically indexed caches.
@@ -1492,7 +1619,7 @@
flush_icache_range = r4k_flush_icache_range;
local_flush_icache_range = local_r4k_flush_icache_range;
-#if defined(CONFIG_DMA_NONCOHERENT)
+#if defined(CONFIG_DMA_NONCOHERENT) || defined(CONFIG_DMA_MAYBE_COHERENT)
if (coherentio) {
_dma_cache_wback_inv = (void *)cache_noop;
_dma_cache_wback = (void *)cache_noop;
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index fde7e56..e422b38 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -49,7 +49,7 @@
EXPORT_SYMBOL(flush_data_cache_page);
EXPORT_SYMBOL(flush_icache_all);
-#ifdef CONFIG_DMA_NONCOHERENT
+#if defined(CONFIG_DMA_NONCOHERENT) || defined(CONFIG_DMA_MAYBE_COHERENT)
/* DMA cache operations. */
void (*_dma_cache_wback_inv)(unsigned long start, unsigned long size);
@@ -58,7 +58,7 @@
EXPORT_SYMBOL(_dma_cache_wback_inv);
-#endif /* CONFIG_DMA_NONCOHERENT */
+#endif /* CONFIG_DMA_NONCOHERENT || CONFIG_DMA_MAYBE_COHERENT */
/*
* We could optimize the case where the cache argument is not BCACHE but
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 6b59617..4fc74c7 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -422,10 +422,20 @@
}
#endif
+void (*free_init_pages_eva)(void *begin, void *end) = NULL;
+
void __init_refok free_initmem(void)
{
prom_free_prom_memory();
- free_initmem_default(POISON_FREE_INITMEM);
+ /*
+ * Let the platform define a specific function to free the
+ * init section since EVA may have used any possible mapping
+ * between virtual and physical addresses.
+ */
+ if (free_init_pages_eva)
+ free_init_pages_eva((void *)&__init_begin, (void *)&__init_end);
+ else
+ free_initmem_default(POISON_FREE_INITMEM);
}
#ifndef CONFIG_MIPS_PGD_C0_CONTEXT
diff --git a/arch/mips/mm/sc-mips.c b/arch/mips/mm/sc-mips.c
index 7a56aee..99eb8fa 100644
--- a/arch/mips/mm/sc-mips.c
+++ b/arch/mips/mm/sc-mips.c
@@ -76,8 +76,10 @@
case CPU_34K:
case CPU_74K:
case CPU_1004K:
+ case CPU_1074K:
case CPU_INTERAPTIV:
case CPU_PROAPTIV:
+ case CPU_P5600:
case CPU_BMIPS5000:
if (config2 & (1 << 12))
return 0;
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index ae4ca24..eeaf50f 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -48,13 +48,14 @@
#endif /* CONFIG_MIPS_MT_SMTC */
/*
- * LOONGSON2 has a 4 entry itlb which is a subset of dtlb,
- * unfortrunately, itlb is not totally transparent to software.
+ * LOONGSON2/3 has a 4 entry itlb which is a subset of dtlb,
+ * unfortunately, itlb is not totally transparent to software.
*/
static inline void flush_itlb(void)
{
switch (current_cpu_type()) {
case CPU_LOONGSON2:
+ case CPU_LOONGSON3:
write_c0_diag(4);
break;
default:
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index b234b1b..ee88367 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -509,7 +509,10 @@
switch (current_cpu_type()) {
case CPU_M14KC:
case CPU_74K:
+ case CPU_1074K:
case CPU_PROAPTIV:
+ case CPU_P5600:
+ case CPU_M5150:
break;
default:
@@ -579,6 +582,7 @@
case CPU_BMIPS4380:
case CPU_BMIPS5000:
case CPU_LOONGSON2:
+ case CPU_LOONGSON3:
case CPU_R5500:
if (m4kc_tlbp_war())
uasm_i_nop(p);
@@ -621,7 +625,7 @@
default:
panic("No TLB refill handler yet (CPU type: %d)",
- current_cpu_data.cputype);
+ current_cpu_type());
break;
}
}
diff --git a/arch/mips/mti-malta/malta-init.c b/arch/mips/mti-malta/malta-init.c
index fcebfce..4f9e44d 100644
--- a/arch/mips/mti-malta/malta-init.c
+++ b/arch/mips/mti-malta/malta-init.c
@@ -20,7 +20,8 @@
#include <asm/smp-ops.h>
#include <asm/traps.h>
#include <asm/fw/fw.h>
-#include <asm/gcmpregs.h>
+#include <asm/mips-cm.h>
+#include <asm/mips-cpc.h>
#include <asm/mips-boards/generic.h>
#include <asm/mips-boards/malta.h>
@@ -110,6 +111,11 @@
flush_icache_range((unsigned long)base, (unsigned long)base + 0x80);
}
+phys_t mips_cpc_default_phys_base(void)
+{
+ return CPC_BASE_ADDR;
+}
+
extern struct plat_smp_ops msmtc_smp_ops;
void __init prom_init(void)
@@ -238,10 +244,23 @@
MSC01_PCI_SWAP_BYTESWAP << MSC01_PCI_SWAP_MEM_SHF |
MSC01_PCI_SWAP_BYTESWAP << MSC01_PCI_SWAP_BAR0_SHF);
#endif
+#ifndef CONFIG_EVA
/* Fix up target memory mapping. */
MSC_READ(MSC01_PCI_BAR0, mask);
MSC_WRITE(MSC01_PCI_P2SCMSKL, mask & MSC01_PCI_BAR0_SIZE_MSK);
+#else
+ /*
+ * Setup the Malta max (2GB) memory for PCI DMA in host bridge
+ * in transparent addressing mode, starting from 0x80000000.
+ */
+ mask = PHYS_OFFSET | (1<<3);
+ MSC_WRITE(MSC01_PCI_BAR0, mask);
+ mask = PHYS_OFFSET;
+ MSC_WRITE(MSC01_PCI_HEAD4, mask);
+ MSC_WRITE(MSC01_PCI_P2SCMSKL, mask);
+ MSC_WRITE(MSC01_PCI_P2SCMAPL, mask);
+#endif
/* Don't handle target retries indefinitely. */
if ((data & MSC01_PCI_CFG_MAXRTRY_MSK) ==
MSC01_PCI_CFG_MAXRTRY_MSK)
@@ -276,10 +295,13 @@
console_config();
#endif
/* Early detection of CMP support */
- if (gcmp_probe(GCMP_BASE_ADDR, GCMP_ADDRSPACE_SZ))
- if (!register_cmp_smp_ops())
- return;
+ mips_cm_probe();
+ mips_cpc_probe();
+ if (!register_cps_smp_ops())
+ return;
+ if (!register_cmp_smp_ops())
+ return;
if (!register_vsmp_smp_ops())
return;
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index 2242181..b71ee80 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -26,6 +26,7 @@
#include <asm/i8259.h>
#include <asm/irq_cpu.h>
#include <asm/irq_regs.h>
+#include <asm/mips-cm.h>
#include <asm/mips-boards/malta.h>
#include <asm/mips-boards/maltaint.h>
#include <asm/gt64120.h>
@@ -33,13 +34,10 @@
#include <asm/mips-boards/msc01_pci.h>
#include <asm/msc01_ic.h>
#include <asm/gic.h>
-#include <asm/gcmpregs.h>
#include <asm/setup.h>
#include <asm/rtlx.h>
-int gcmp_present = -1;
static unsigned long _msc01_biu_base;
-static unsigned long _gcmp_base;
static unsigned int ipi_map[NR_CPUS];
static DEFINE_RAW_SPINLOCK(mips_irq_lock);
@@ -288,10 +286,6 @@
#ifdef CONFIG_MIPS_MT_SMP
-
-#define GIC_MIPS_CPU_IPI_RESCHED_IRQ 3
-#define GIC_MIPS_CPU_IPI_CALL_IRQ 4
-
#define MIPS_CPU_IPI_RESCHED_IRQ 0 /* SW int 0 for resched */
#define C_RESCHED C_SW0
#define MIPS_CPU_IPI_CALL_IRQ 1 /* SW int 1 for resched */
@@ -308,6 +302,13 @@
do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ);
}
+#endif /* CONFIG_MIPS_MT_SMP */
+
+#ifdef CONFIG_MIPS_GIC_IPI
+
+#define GIC_MIPS_CPU_IPI_RESCHED_IRQ 3
+#define GIC_MIPS_CPU_IPI_CALL_IRQ 4
+
static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id)
{
#ifdef CONFIG_MIPS_VPE_APSP_API_CMP
@@ -338,7 +339,7 @@
.flags = IRQF_PERCPU,
.name = "IPI_call"
};
-#endif /* CONFIG_MIPS_MT_SMP */
+#endif /* CONFIG_MIPS_GIC_IPI */
static int gic_resched_int_base;
static int gic_call_int_base;
@@ -418,49 +419,7 @@
};
#undef X
-/*
- * GCMP needs to be detected before any SMP initialisation
- */
-int __init gcmp_probe(unsigned long addr, unsigned long size)
-{
- if ((mips_revision_sconid != MIPS_REVISION_SCON_ROCIT) &&
- (mips_revision_sconid != MIPS_REVISION_SCON_GT64120)) {
- gcmp_present = 0;
- pr_debug("GCMP NOT present\n");
- return gcmp_present;
- }
-
- if (gcmp_present >= 0)
- return gcmp_present;
-
- _gcmp_base = (unsigned long) ioremap_nocache(GCMP_BASE_ADDR,
- GCMP_ADDRSPACE_SZ);
- _msc01_biu_base = (unsigned long) ioremap_nocache(MSC01_BIU_REG_BASE,
- MSC01_BIU_ADDRSPACE_SZ);
- gcmp_present = ((GCMPGCB(GCMPB) & GCMP_GCB_GCMPB_GCMPBASE_MSK) ==
- GCMP_BASE_ADDR);
-
- if (gcmp_present)
- pr_debug("GCMP present\n");
- return gcmp_present;
-}
-
-/* Return the number of IOCU's present */
-int __init gcmp_niocu(void)
-{
- return gcmp_present ? ((GCMPGCB(GC) & GCMP_GCB_GC_NUMIOCU_MSK) >>
- GCMP_GCB_GC_NUMIOCU_SHF) : 0;
-}
-
-/* Set GCMP region attributes */
-void __init gcmp_setregion(int region, unsigned long base,
- unsigned long mask, int type)
-{
- GCMPGCBn(CMxBASE, region) = base;
- GCMPGCBn(CMxMASK, region) = mask | type;
-}
-
-#if defined(CONFIG_MIPS_MT_SMP)
+#ifdef CONFIG_MIPS_GIC_IPI
static void __init fill_ipi_map1(int baseintr, int cpu, int cpupin)
{
int intr = baseintr + cpu;
@@ -496,8 +455,8 @@
if (!cpu_has_veic)
mips_cpu_irq_init();
- if (gcmp_present) {
- GCMPGCB(GICBA) = GIC_BASE_ADDR | GCMP_GCB_GICBA_EN_MSK;
+ if (mips_cm_present()) {
+ write_gcr_gic_base(GIC_BASE_ADDR | CM_GCR_GIC_BASE_GICEN_MSK);
gic_present = 1;
} else {
if (mips_revision_sconid == MIPS_REVISION_SCON_ROCIT) {
@@ -576,7 +535,7 @@
if (gic_present) {
/* FIXME */
int i;
-#if defined(CONFIG_MIPS_MT_SMP)
+#if defined(CONFIG_MIPS_GIC_IPI)
gic_call_int_base = GIC_NUM_INTRS -
(NR_CPUS - nr_cpu_ids) * 2 - nr_cpu_ids;
gic_resched_int_base = gic_call_int_base - nr_cpu_ids;
@@ -584,14 +543,14 @@
#endif
gic_init(GIC_BASE_ADDR, GIC_ADDRSPACE_SZ, gic_intr_map,
ARRAY_SIZE(gic_intr_map), MIPS_GIC_IRQ_BASE);
- if (!gcmp_present) {
+ if (!mips_cm_present()) {
/* Enable the GIC */
i = REG(_msc01_biu_base, MSC01_SC_CFG);
REG(_msc01_biu_base, MSC01_SC_CFG) =
(i | (0x1 << MSC01_SC_CFG_GICENA_SHF));
pr_debug("GIC Enabled\n");
}
-#if defined(CONFIG_MIPS_MT_SMP)
+#if defined(CONFIG_MIPS_GIC_IPI)
/* set up ipi interrupts */
if (cpu_has_vint) {
set_vi_handler(MIPSCPU_INT_IPI0, malta_ipi_irqdispatch);
@@ -708,16 +667,16 @@
/* This duplicates the handling in do_be which seems wrong */
int retval = is_fixup ? MIPS_BE_FIXUP : MIPS_BE_FATAL;
- if (gcmp_present) {
- unsigned long cm_error = GCMPGCB(GCMEC);
- unsigned long cm_addr = GCMPGCB(GCMEA);
- unsigned long cm_other = GCMPGCB(GCMEO);
+ if (mips_cm_present()) {
+ unsigned long cm_error = read_gcr_error_cause();
+ unsigned long cm_addr = read_gcr_error_addr();
+ unsigned long cm_other = read_gcr_error_mult();
unsigned long cause, ocause;
char buf[256];
- cause = (cm_error & GCMP_GCB_GMEC_ERROR_TYPE_MSK);
+ cause = cm_error & CM_GCR_ERROR_CAUSE_ERRTYPE_MSK;
if (cause != 0) {
- cause >>= GCMP_GCB_GMEC_ERROR_TYPE_SHF;
+ cause >>= CM_GCR_ERROR_CAUSE_ERRTYPE_SHF;
if (cause < 16) {
unsigned long cca_bits = (cm_error >> 15) & 7;
unsigned long tr_bits = (cm_error >> 12) & 7;
@@ -748,8 +707,8 @@
mcmd[cmd_bits], sport_bits);
}
- ocause = (cm_other & GCMP_GCB_GMEO_ERROR_2ND_MSK) >>
- GCMP_GCB_GMEO_ERROR_2ND_SHF;
+ ocause = (cm_other & CM_GCR_ERROR_MULT_ERR2ND_MSK) >>
+ CM_GCR_ERROR_MULT_ERR2ND_SHF;
pr_err("CM_ERROR=%08lx %s <%s>\n", cm_error,
causes[cause], buf);
@@ -757,7 +716,7 @@
pr_err("CM_OTHER=%08lx %s\n", cm_other, causes[ocause]);
/* reprime cause register */
- GCMPGCB(GCMEC) = 0;
+ write_gcr_error_cause(0);
}
}
diff --git a/arch/mips/mti-malta/malta-memory.c b/arch/mips/mti-malta/malta-memory.c
index 1f73d63..6d0f4ab 100644
--- a/arch/mips/mti-malta/malta-memory.c
+++ b/arch/mips/mti-malta/malta-memory.c
@@ -24,22 +24,30 @@
/* determined physical memory size, not overridden by command line args */
unsigned long physical_memsize = 0L;
-fw_memblock_t * __init fw_getmdesc(void)
+fw_memblock_t * __init fw_getmdesc(int eva)
{
- char *memsize_str, *ptr;
- unsigned int memsize;
+ char *memsize_str, *ememsize_str __maybe_unused = NULL, *ptr;
+ unsigned long memsize, ememsize __maybe_unused = 0;
static char cmdline[COMMAND_LINE_SIZE] __initdata;
- long val;
int tmp;
/* otherwise look in the environment */
+
memsize_str = fw_getenv("memsize");
- if (!memsize_str) {
+ if (memsize_str)
+ tmp = kstrtol(memsize_str, 0, &memsize);
+ if (eva) {
+ /* Look for ememsize for EVA */
+ ememsize_str = fw_getenv("ememsize");
+ if (ememsize_str)
+ tmp = kstrtol(ememsize_str, 0, &ememsize);
+ }
+ if (!memsize && !ememsize) {
pr_warn("memsize not set in YAMON, set to default (32Mb)\n");
physical_memsize = 0x02000000;
} else {
- tmp = kstrtol(memsize_str, 0, &val);
- physical_memsize = (unsigned long)val;
+ /* If ememsize is set, then set physical_memsize to that */
+ physical_memsize = ememsize ? : memsize;
}
#ifdef CONFIG_CPU_BIG_ENDIAN
@@ -54,20 +62,30 @@
ptr = strstr(cmdline, "memsize=");
if (ptr && (ptr != cmdline) && (*(ptr - 1) != ' '))
ptr = strstr(ptr, " memsize=");
+ /* And now look for ememsize */
+ if (eva) {
+ ptr = strstr(cmdline, "ememsize=");
+ if (ptr && (ptr != cmdline) && (*(ptr - 1) != ' '))
+ ptr = strstr(ptr, " ememsize=");
+ }
if (ptr)
- memsize = memparse(ptr + 8, &ptr);
+ memsize = memparse(ptr + 8 + (eva ? 1 : 0), &ptr);
else
memsize = physical_memsize;
+ /* Last 64K for HIGHMEM arithmetics */
+ if (memsize > 0x7fff0000)
+ memsize = 0x7fff0000;
+
memset(mdesc, 0, sizeof(mdesc));
mdesc[0].type = fw_dontuse;
- mdesc[0].base = 0x00000000;
+ mdesc[0].base = PHYS_OFFSET;
mdesc[0].size = 0x00001000;
mdesc[1].type = fw_code;
- mdesc[1].base = 0x00001000;
+ mdesc[1].base = mdesc[0].base + 0x00001000UL;
mdesc[1].size = 0x000ef000;
/*
@@ -78,21 +96,27 @@
* devices.
*/
mdesc[2].type = fw_dontuse;
- mdesc[2].base = 0x000f0000;
+ mdesc[2].base = mdesc[0].base + 0x000f0000UL;
mdesc[2].size = 0x00010000;
mdesc[3].type = fw_dontuse;
- mdesc[3].base = 0x00100000;
+ mdesc[3].base = mdesc[0].base + 0x00100000UL;
mdesc[3].size = CPHYSADDR(PFN_ALIGN((unsigned long)&_end)) -
- mdesc[3].base;
+ 0x00100000UL;
mdesc[4].type = fw_free;
- mdesc[4].base = CPHYSADDR(PFN_ALIGN(&_end));
- mdesc[4].size = memsize - mdesc[4].base;
+ mdesc[4].base = mdesc[0].base + CPHYSADDR(PFN_ALIGN(&_end));
+ mdesc[4].size = memsize - CPHYSADDR(mdesc[4].base);
return &mdesc[0];
}
+static void free_init_pages_eva_malta(void *begin, void *end)
+{
+ free_init_pages("unused kernel", __pa_symbol((unsigned long *)begin),
+ __pa_symbol((unsigned long *)end));
+}
+
static int __init fw_memtype_classify(unsigned int type)
{
switch (type) {
@@ -109,7 +133,9 @@
{
fw_memblock_t *p;
- p = fw_getmdesc();
+ p = fw_getmdesc(config_enabled(CONFIG_EVA));
+ free_init_pages_eva = (config_enabled(CONFIG_EVA) ?
+ free_init_pages_eva_malta : NULL);
while (p->size) {
long type;
diff --git a/arch/mips/mti-malta/malta-setup.c b/arch/mips/mti-malta/malta-setup.c
index c72a069..bf62151 100644
--- a/arch/mips/mti-malta/malta-setup.c
+++ b/arch/mips/mti-malta/malta-setup.c
@@ -26,12 +26,12 @@
#include <linux/time.h>
#include <asm/fw/fw.h>
+#include <asm/mips-cm.h>
#include <asm/mips-boards/generic.h>
#include <asm/mips-boards/malta.h>
#include <asm/mips-boards/maltaint.h>
#include <asm/dma.h>
#include <asm/traps.h>
-#include <asm/gcmpregs.h>
#ifdef CONFIG_VT
#include <linux/console.h>
#endif
@@ -127,7 +127,7 @@
BONITO_PCIMEMBASECFG_MEMBASE1_CACHED);
pr_info("Enabled Bonito IOBC coherency\n");
}
- } else if (gcmp_niocu() != 0) {
+ } else if (mips_cm_numiocu() != 0) {
/* Nothing special needs to be done to enable coherency */
pr_info("CMP IOCU detected\n");
if ((*(unsigned int *)0xbf403000 & 0x81) != 0x81) {
@@ -165,7 +165,6 @@
#endif
}
-#ifdef CONFIG_BLK_DEV_IDE
static void __init pci_clock_check(void)
{
unsigned int __iomem *jmpr_p =
@@ -175,18 +174,25 @@
33, 20, 25, 30, 12, 16, 37, 10
};
int pciclock = pciclocks[jmpr];
- char *argptr = fw_getcmdline();
+ char *optptr, *argptr = fw_getcmdline();
- if (pciclock != 33 && !strstr(argptr, "idebus=")) {
- pr_warn("WARNING: PCI clock is %dMHz, setting idebus\n",
+ /*
+ * If user passed a pci_clock= option, don't tack on another one
+ */
+ optptr = strstr(argptr, "pci_clock=");
+ if (optptr && (optptr == argptr || optptr[-1] == ' '))
+ return;
+
+ if (pciclock != 33) {
+ pr_warn("WARNING: PCI clock is %dMHz, setting pci_clock\n",
pciclock);
argptr += strlen(argptr);
- sprintf(argptr, " idebus=%d", pciclock);
+ sprintf(argptr, " pci_clock=%d", pciclock);
if (pciclock < 20 || pciclock > 66)
- pr_warn("WARNING: IDE timing calculations will be incorrect\n");
+ pr_warn("WARNING: IDE timing calculations will be "
+ "incorrect\n");
}
}
-#endif
#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE)
static void __init screen_info_setup(void)
@@ -247,6 +253,10 @@
{
unsigned int i;
+ if (config_enabled(CONFIG_EVA))
+ /* EVA has already been configured in mach-malta/kernel-init.h */
+ pr_info("Enhanced Virtual Addressing (EVA) activated\n");
+
mips_pcibios_init();
/* Request I/O space for devices used on the Malta board. */
@@ -268,9 +278,7 @@
plat_setup_iocoherency();
-#ifdef CONFIG_BLK_DEV_IDE
pci_clock_check();
-#endif
#ifdef CONFIG_BLK_DEV_FD
fd_activate();
diff --git a/arch/mips/mti-sead3/sead3-mtd.c b/arch/mips/mti-sead3/sead3-mtd.c
index ffa35f5..f9c890d 100644
--- a/arch/mips/mti-sead3/sead3-mtd.c
+++ b/arch/mips/mti-sead3/sead3-mtd.c
@@ -50,5 +50,4 @@
return 0;
}
-
-module_init(sead3_mtd_init)
+device_initcall(sead3_mtd_init);
diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c
index 2a86e38..e747324 100644
--- a/arch/mips/oprofile/common.c
+++ b/arch/mips/oprofile/common.c
@@ -86,8 +86,11 @@
case CPU_34K:
case CPU_1004K:
case CPU_74K:
+ case CPU_1074K:
case CPU_INTERAPTIV:
case CPU_PROAPTIV:
+ case CPU_P5600:
+ case CPU_M5150:
case CPU_LOONGSON1:
case CPU_SB1:
case CPU_SB1A:
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index 4d94d75..42821ae 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -372,6 +372,7 @@
op_model_mipsxx_ops.cpu_type = "mips/34K";
break;
+ case CPU_1074K:
case CPU_74K:
op_model_mipsxx_ops.cpu_type = "mips/74K";
break;
@@ -384,6 +385,14 @@
op_model_mipsxx_ops.cpu_type = "mips/proAptiv";
break;
+ case CPU_P5600:
+ op_model_mipsxx_ops.cpu_type = "mips/P5600";
+ break;
+
+ case CPU_M5150:
+ op_model_mipsxx_ops.cpu_type = "mips/M5150";
+ break;
+
case CPU_5KC:
op_model_mipsxx_ops.cpu_type = "mips/5K";
break;
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index 137f2a6..d61138a 100644
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -29,6 +29,7 @@
obj-$(CONFIG_MIPS_COBALT) += fixup-cobalt.o
obj-$(CONFIG_LEMOTE_FULOONG2E) += fixup-fuloong2e.o ops-loongson2.o
obj-$(CONFIG_LEMOTE_MACH2F) += fixup-lemote2f.o ops-loongson2.o
+obj-$(CONFIG_LEMOTE_MACH3A) += fixup-loongson3.o ops-loongson3.o
obj-$(CONFIG_MIPS_MALTA) += fixup-malta.o pci-malta.o
obj-$(CONFIG_PMC_MSP7120_GW) += fixup-pmcmsp.o ops-pmcmsp.o
obj-$(CONFIG_PMC_MSP7120_EVAL) += fixup-pmcmsp.o ops-pmcmsp.o
diff --git a/arch/mips/pci/fixup-loongson3.c b/arch/mips/pci/fixup-loongson3.c
new file mode 100644
index 0000000..d708ae4
--- /dev/null
+++ b/arch/mips/pci/fixup-loongson3.c
@@ -0,0 +1,66 @@
+/*
+ * fixup-loongson3.c
+ *
+ * Copyright (C) 2012 Lemote, Inc.
+ * Author: Xiang Yu, xiangy@lemote.com
+ * Chen Huacai, chenhc@lemote.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <linux/pci.h>
+#include <boot_param.h>
+
+static void print_fixup_info(const struct pci_dev *pdev)
+{
+ dev_info(&pdev->dev, "Device %x:%x, irq %d\n",
+ pdev->vendor, pdev->device, pdev->irq);
+}
+
+int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+ print_fixup_info(dev);
+ return dev->irq;
+}
+
+static void pci_fixup_radeon(struct pci_dev *pdev)
+{
+ if (pdev->resource[PCI_ROM_RESOURCE].start)
+ return;
+
+ if (!loongson_sysconf.vgabios_addr)
+ return;
+
+ pdev->resource[PCI_ROM_RESOURCE].start =
+ loongson_sysconf.vgabios_addr;
+ pdev->resource[PCI_ROM_RESOURCE].end =
+ loongson_sysconf.vgabios_addr + 256*1024 - 1;
+ pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_COPY;
+
+ dev_info(&pdev->dev, "BAR %d: assigned %pR for Radeon ROM\n",
+ PCI_ROM_RESOURCE, &pdev->resource[PCI_ROM_RESOURCE]);
+}
+
+DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, PCI_ANY_ID,
+ PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_radeon);
+
+/* Do platform specific device initialization at pci_enable_device() time */
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+ return 0;
+}
diff --git a/arch/mips/pci/fixup-malta.c b/arch/mips/pci/fixup-malta.c
index 7a0eda7..2f9e52a 100644
--- a/arch/mips/pci/fixup-malta.c
+++ b/arch/mips/pci/fixup-malta.c
@@ -51,6 +51,19 @@
return 0;
}
+static void malta_piix_func3_base_fixup(struct pci_dev *dev)
+{
+ /* Set a sane PM I/O base address */
+ pci_write_config_word(dev, PIIX4_FUNC3_PMBA, 0x1000);
+
+ /* Enable access to the PM I/O region */
+ pci_write_config_byte(dev, PIIX4_FUNC3_PMREGMISC,
+ PIIX4_FUNC3_PMREGMISC_EN);
+}
+
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3,
+ malta_piix_func3_base_fixup);
+
static void malta_piix_func0_fixup(struct pci_dev *pdev)
{
unsigned char reg_val;
diff --git a/arch/mips/pci/ops-loongson3.c b/arch/mips/pci/ops-loongson3.c
new file mode 100644
index 0000000..46ed541a
--- /dev/null
+++ b/arch/mips/pci/ops-loongson3.c
@@ -0,0 +1,101 @@
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+
+#include <asm/mips-boards/bonito64.h>
+
+#include <loongson.h>
+
+#define PCI_ACCESS_READ 0
+#define PCI_ACCESS_WRITE 1
+
+#define HT1LO_PCICFG_BASE 0x1a000000
+#define HT1LO_PCICFG_BASE_TP1 0x1b000000
+
+static int loongson3_pci_config_access(unsigned char access_type,
+ struct pci_bus *bus, unsigned int devfn,
+ int where, u32 *data)
+{
+ unsigned char busnum = bus->number;
+ u_int64_t addr, type;
+ void *addrp;
+ int device = PCI_SLOT(devfn);
+ int function = PCI_FUNC(devfn);
+ int reg = where & ~3;
+
+ addr = (busnum << 16) | (device << 11) | (function << 8) | reg;
+ if (busnum == 0) {
+ if (device > 31)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ addrp = (void *)(TO_UNCAC(HT1LO_PCICFG_BASE) | (addr & 0xffff));
+ type = 0;
+
+ } else {
+ addrp = (void *)(TO_UNCAC(HT1LO_PCICFG_BASE_TP1) | (addr));
+ type = 0x10000;
+ }
+
+ if (access_type == PCI_ACCESS_WRITE)
+ writel(*data, addrp);
+ else {
+ *data = readl(addrp);
+ if (*data == 0xffffffff) {
+ *data = -1;
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ }
+ }
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static int loongson3_pci_pcibios_read(struct pci_bus *bus, unsigned int devfn,
+ int where, int size, u32 *val)
+{
+ u32 data = 0;
+ int ret = loongson3_pci_config_access(PCI_ACCESS_READ,
+ bus, devfn, where, &data);
+
+ if (ret != PCIBIOS_SUCCESSFUL)
+ return ret;
+
+ if (size == 1)
+ *val = (data >> ((where & 3) << 3)) & 0xff;
+ else if (size == 2)
+ *val = (data >> ((where & 3) << 3)) & 0xffff;
+ else
+ *val = data;
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static int loongson3_pci_pcibios_write(struct pci_bus *bus, unsigned int devfn,
+ int where, int size, u32 val)
+{
+ u32 data = 0;
+ int ret;
+
+ if (size == 4)
+ data = val;
+ else {
+ ret = loongson3_pci_config_access(PCI_ACCESS_READ,
+ bus, devfn, where, &data);
+ if (ret != PCIBIOS_SUCCESSFUL)
+ return ret;
+
+ if (size == 1)
+ data = (data & ~(0xff << ((where & 3) << 3))) |
+ (val << ((where & 3) << 3));
+ else if (size == 2)
+ data = (data & ~(0xffff << ((where & 3) << 3))) |
+ (val << ((where & 3) << 3));
+ }
+
+ ret = loongson3_pci_config_access(PCI_ACCESS_WRITE,
+ bus, devfn, where, &data);
+
+ return ret;
+}
+
+struct pci_ops loongson_pci_ops = {
+ .read = loongson3_pci_pcibios_read,
+ .write = loongson3_pci_pcibios_write
+};
diff --git a/arch/mips/pci/pci-alchemy.c b/arch/mips/pci/pci-alchemy.c
index d1faece..563d1f6 100644
--- a/arch/mips/pci/pci-alchemy.c
+++ b/arch/mips/pci/pci-alchemy.c
@@ -16,6 +16,7 @@
#include <linux/syscore_ops.h>
#include <linux/vmalloc.h>
+#include <asm/dma-coherence.h>
#include <asm/mach-au1x00/au1000.h>
#include <asm/tlbmisc.h>
@@ -411,17 +412,15 @@
}
ctx->alchemy_pci_ctrl.io_map_base = (unsigned long)virt_io;
-#ifdef CONFIG_DMA_NONCOHERENT
/* Au1500 revisions older than AD have borked coherent PCI */
if ((alchemy_get_cputype() == ALCHEMY_CPU_AU1500) &&
- (read_c0_prid() < 0x01030202)) {
+ (read_c0_prid() < 0x01030202) && !coherentio) {
val = __raw_readl(ctx->regs + PCI_REG_CONFIG);
val |= PCI_CONFIG_NC;
__raw_writel(val, ctx->regs + PCI_REG_CONFIG);
wmb();
dev_info(&pdev->dev, "non-coherent PCI on Au1500 AA/AB/AC\n");
}
-#endif
if (pd->board_map_irq)
ctx->board_map_irq = pd->board_map_irq;
diff --git a/arch/mips/pci/pci-malta.c b/arch/mips/pci/pci-malta.c
index f1a7389..cfbbc3e 100644
--- a/arch/mips/pci/pci-malta.c
+++ b/arch/mips/pci/pci-malta.c
@@ -27,7 +27,7 @@
#include <linux/init.h>
#include <asm/gt64120.h>
-#include <asm/gcmpregs.h>
+#include <asm/mips-cm.h>
#include <asm/mips-boards/generic.h>
#include <asm/mips-boards/bonito64.h>
#include <asm/mips-boards/msc01_pci.h>
@@ -201,11 +201,11 @@
msc_mem_resource.start = start & mask;
msc_mem_resource.end = (start & mask) | ~mask;
msc_controller.mem_offset = (start & mask) - (map & mask);
-#ifdef CONFIG_MIPS_CMP
- if (gcmp_niocu())
- gcmp_setregion(0, start, mask,
- GCMP_GCB_GCMPB_CMDEFTGT_IOCU1);
-#endif
+ if (mips_cm_numiocu()) {
+ write_gcr_reg0_base(start);
+ write_gcr_reg0_mask(mask |
+ CM_GCR_REGn_MASK_CMTGT_IOCU0);
+ }
MSC_READ(MSC01_PCI_SC2PIOBASL, start);
MSC_READ(MSC01_PCI_SC2PIOMSKL, mask);
MSC_READ(MSC01_PCI_SC2PIOMAPL, map);
@@ -213,11 +213,11 @@
msc_io_resource.end = (map & mask) | ~mask;
msc_controller.io_offset = 0;
ioport_resource.end = ~mask;
-#ifdef CONFIG_MIPS_CMP
- if (gcmp_niocu())
- gcmp_setregion(1, start, mask,
- GCMP_GCB_GCMPB_CMDEFTGT_IOCU1);
-#endif
+ if (mips_cm_numiocu()) {
+ write_gcr_reg1_base(start);
+ write_gcr_reg1_mask(mask |
+ CM_GCR_REGn_MASK_CMTGT_IOCU0);
+ }
/* If ranges overlap I/O takes precedence. */
start = start & mask;
end = start | ~mask;
diff --git a/arch/mips/pmcs-msp71xx/msp_setup.c b/arch/mips/pmcs-msp71xx/msp_setup.c
index 396b296..7e98076 100644
--- a/arch/mips/pmcs-msp71xx/msp_setup.c
+++ b/arch/mips/pmcs-msp71xx/msp_setup.c
@@ -49,7 +49,7 @@
/* Cache the reset code of this function */
__asm__ __volatile__ (
" .set push \n"
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" la %0,startpoint \n"
" la %1,endpoint \n"
" .set pop \n"
diff --git a/drivers/edac/octeon_edac-lmc.c b/drivers/edac/octeon_edac-lmc.c
index 93412d6..4bd10f9 100644
--- a/drivers/edac/octeon_edac-lmc.c
+++ b/drivers/edac/octeon_edac-lmc.c
@@ -5,12 +5,16 @@
*
* Copyright (C) 2009 Wind River Systems,
* written by Ralf Baechle <ralf@linux-mips.org>
+ *
+ * Copyright (c) 2013 by Cisco Systems, Inc.
+ * All rights reserved.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/edac.h>
+#include <linux/ctype.h>
#include <asm/octeon/octeon.h>
#include <asm/octeon/cvmx-lmcx-defs.h>
@@ -20,6 +24,18 @@
#define OCTEON_MAX_MC 4
+#define to_mci(k) container_of(k, struct mem_ctl_info, dev)
+
+struct octeon_lmc_pvt {
+ unsigned long inject;
+ unsigned long error_type;
+ unsigned long dimm;
+ unsigned long rank;
+ unsigned long bank;
+ unsigned long row;
+ unsigned long col;
+};
+
static void octeon_lmc_edac_poll(struct mem_ctl_info *mci)
{
union cvmx_lmcx_mem_cfg0 cfg0;
@@ -55,14 +71,31 @@
static void octeon_lmc_edac_poll_o2(struct mem_ctl_info *mci)
{
+ struct octeon_lmc_pvt *pvt = mci->pvt_info;
union cvmx_lmcx_int int_reg;
bool do_clear = false;
char msg[64];
- int_reg.u64 = cvmx_read_csr(CVMX_LMCX_INT(mci->mc_idx));
+ if (!pvt->inject)
+ int_reg.u64 = cvmx_read_csr(CVMX_LMCX_INT(mci->mc_idx));
+ else {
+ if (pvt->error_type == 1)
+ int_reg.s.sec_err = 1;
+ if (pvt->error_type == 2)
+ int_reg.s.ded_err = 1;
+ }
+
if (int_reg.s.sec_err || int_reg.s.ded_err) {
union cvmx_lmcx_fadr fadr;
- fadr.u64 = cvmx_read_csr(CVMX_LMCX_FADR(mci->mc_idx));
+ if (likely(!pvt->inject))
+ fadr.u64 = cvmx_read_csr(CVMX_LMCX_FADR(mci->mc_idx));
+ else {
+ fadr.cn61xx.fdimm = pvt->dimm;
+ fadr.cn61xx.fbunk = pvt->rank;
+ fadr.cn61xx.fbank = pvt->bank;
+ fadr.cn61xx.frow = pvt->row;
+ fadr.cn61xx.fcol = pvt->col;
+ }
snprintf(msg, sizeof(msg),
"DIMM %d rank %d bank %d row %d col %d",
fadr.cn61xx.fdimm, fadr.cn61xx.fbunk,
@@ -82,8 +115,128 @@
int_reg.s.ded_err = -1; /* Done, re-arm */
do_clear = true;
}
- if (do_clear)
- cvmx_write_csr(CVMX_LMCX_INT(mci->mc_idx), int_reg.u64);
+
+ if (do_clear) {
+ if (likely(!pvt->inject))
+ cvmx_write_csr(CVMX_LMCX_INT(mci->mc_idx), int_reg.u64);
+ else
+ pvt->inject = 0;
+ }
+}
+
+/************************ MC SYSFS parts ***********************************/
+
+/* Only a couple naming differences per template, so very similar */
+#define TEMPLATE_SHOW(reg) \
+static ssize_t octeon_mc_inject_##reg##_show(struct device *dev, \
+ struct device_attribute *attr, \
+ char *data) \
+{ \
+ struct mem_ctl_info *mci = to_mci(dev); \
+ struct octeon_lmc_pvt *pvt = mci->pvt_info; \
+ return sprintf(data, "%016llu\n", (u64)pvt->reg); \
+}
+
+#define TEMPLATE_STORE(reg) \
+static ssize_t octeon_mc_inject_##reg##_store(struct device *dev, \
+ struct device_attribute *attr, \
+ const char *data, size_t count) \
+{ \
+ struct mem_ctl_info *mci = to_mci(dev); \
+ struct octeon_lmc_pvt *pvt = mci->pvt_info; \
+ if (isdigit(*data)) { \
+ if (!kstrtoul(data, 0, &pvt->reg)) \
+ return count; \
+ } \
+ return 0; \
+}
+
+TEMPLATE_SHOW(inject);
+TEMPLATE_STORE(inject);
+TEMPLATE_SHOW(dimm);
+TEMPLATE_STORE(dimm);
+TEMPLATE_SHOW(bank);
+TEMPLATE_STORE(bank);
+TEMPLATE_SHOW(rank);
+TEMPLATE_STORE(rank);
+TEMPLATE_SHOW(row);
+TEMPLATE_STORE(row);
+TEMPLATE_SHOW(col);
+TEMPLATE_STORE(col);
+
+static ssize_t octeon_mc_inject_error_type_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *data,
+ size_t count)
+{
+ struct mem_ctl_info *mci = to_mci(dev);
+ struct octeon_lmc_pvt *pvt = mci->pvt_info;
+
+ if (!strncmp(data, "single", 6))
+ pvt->error_type = 1;
+ else if (!strncmp(data, "double", 6))
+ pvt->error_type = 2;
+
+ return count;
+}
+
+static ssize_t octeon_mc_inject_error_type_show(struct device *dev,
+ struct device_attribute *attr,
+ char *data)
+{
+ struct mem_ctl_info *mci = to_mci(dev);
+ struct octeon_lmc_pvt *pvt = mci->pvt_info;
+ if (pvt->error_type == 1)
+ return sprintf(data, "single");
+ else if (pvt->error_type == 2)
+ return sprintf(data, "double");
+
+ return 0;
+}
+
+static DEVICE_ATTR(inject, S_IRUGO | S_IWUSR,
+ octeon_mc_inject_inject_show, octeon_mc_inject_inject_store);
+static DEVICE_ATTR(error_type, S_IRUGO | S_IWUSR,
+ octeon_mc_inject_error_type_show, octeon_mc_inject_error_type_store);
+static DEVICE_ATTR(dimm, S_IRUGO | S_IWUSR,
+ octeon_mc_inject_dimm_show, octeon_mc_inject_dimm_store);
+static DEVICE_ATTR(rank, S_IRUGO | S_IWUSR,
+ octeon_mc_inject_rank_show, octeon_mc_inject_rank_store);
+static DEVICE_ATTR(bank, S_IRUGO | S_IWUSR,
+ octeon_mc_inject_bank_show, octeon_mc_inject_bank_store);
+static DEVICE_ATTR(row, S_IRUGO | S_IWUSR,
+ octeon_mc_inject_row_show, octeon_mc_inject_row_store);
+static DEVICE_ATTR(col, S_IRUGO | S_IWUSR,
+ octeon_mc_inject_col_show, octeon_mc_inject_col_store);
+
+
+static int octeon_set_mc_sysfs_attributes(struct mem_ctl_info *mci)
+{
+ int rc;
+
+ rc = device_create_file(&mci->dev, &dev_attr_inject);
+ if (rc < 0)
+ return rc;
+ rc = device_create_file(&mci->dev, &dev_attr_error_type);
+ if (rc < 0)
+ return rc;
+ rc = device_create_file(&mci->dev, &dev_attr_dimm);
+ if (rc < 0)
+ return rc;
+ rc = device_create_file(&mci->dev, &dev_attr_rank);
+ if (rc < 0)
+ return rc;
+ rc = device_create_file(&mci->dev, &dev_attr_bank);
+ if (rc < 0)
+ return rc;
+ rc = device_create_file(&mci->dev, &dev_attr_row);
+ if (rc < 0)
+ return rc;
+ rc = device_create_file(&mci->dev, &dev_attr_col);
+ if (rc < 0)
+ return rc;
+
+ return 0;
}
static int octeon_lmc_edac_probe(struct platform_device *pdev)
@@ -92,6 +245,8 @@
struct edac_mc_layer layers[1];
int mc = pdev->id;
+ opstate_init();
+
layers[0].type = EDAC_MC_LAYER_CHANNEL;
layers[0].size = 1;
layers[0].is_virt_csrow = false;
@@ -105,7 +260,7 @@
return 0;
}
- mci = edac_mc_alloc(mc, ARRAY_SIZE(layers), layers, 0);
+ mci = edac_mc_alloc(mc, ARRAY_SIZE(layers), layers, sizeof(struct octeon_lmc_pvt));
if (!mci)
return -ENXIO;
@@ -122,6 +277,12 @@
return -ENXIO;
}
+ if (octeon_set_mc_sysfs_attributes(mci)) {
+ dev_err(&pdev->dev, "octeon_set_mc_sysfs_attributes() failed\n");
+ return -ENXIO;
+ }
+
+
cfg0.u64 = cvmx_read_csr(CVMX_LMCX_MEM_CFG0(mc));
cfg0.s.intr_ded_ena = 0; /* We poll */
cfg0.s.intr_sec_ena = 0;
@@ -137,7 +298,7 @@
return 0;
}
- mci = edac_mc_alloc(mc, ARRAY_SIZE(layers), layers, 0);
+ mci = edac_mc_alloc(mc, ARRAY_SIZE(layers), layers, sizeof(struct octeon_lmc_pvt));
if (!mci)
return -ENXIO;
@@ -154,6 +315,12 @@
return -ENXIO;
}
+ if (octeon_set_mc_sysfs_attributes(mci)) {
+ dev_err(&pdev->dev, "octeon_set_mc_sysfs_attributes() failed\n");
+ return -ENXIO;
+ }
+
+
en.u64 = cvmx_read_csr(CVMX_LMCX_MEM_CFG0(mc));
en.s.intr_ded_ena = 0; /* We poll */
en.s.intr_sec_ena = 0;
diff --git a/drivers/gpio/gpio-vr41xx.c b/drivers/gpio/gpio-vr41xx.c
index 9902732..66cbcc1 100644
--- a/drivers/gpio/gpio-vr41xx.c
+++ b/drivers/gpio/gpio-vr41xx.c
@@ -81,6 +81,7 @@
static unsigned long giu_flags;
static void __iomem *giu_base;
+static struct gpio_chip vr41xx_gpio_chip;
#define giu_read(offset) readw(giu_base + (offset))
#define giu_write(offset, value) writew((value), giu_base + (offset))
@@ -135,12 +136,31 @@
giu_set(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(d->irq));
}
+static unsigned int startup_giuint(struct irq_data *data)
+{
+ if (gpio_lock_as_irq(&vr41xx_gpio_chip, data->hwirq))
+ dev_err(vr41xx_gpio_chip.dev,
+ "unable to lock HW IRQ %lu for IRQ\n",
+ data->hwirq);
+ /* Satisfy the .enable semantics by unmasking the line */
+ unmask_giuint_low(data);
+ return 0;
+}
+
+static void shutdown_giuint(struct irq_data *data)
+{
+ mask_giuint_low(data);
+ gpio_unlock_as_irq(&vr41xx_gpio_chip, data->hwirq);
+}
+
static struct irq_chip giuint_low_irq_chip = {
.name = "GIUINTL",
.irq_ack = ack_giuint_low,
.irq_mask = mask_giuint_low,
.irq_mask_ack = mask_ack_giuint_low,
.irq_unmask = unmask_giuint_low,
+ .irq_startup = startup_giuint,
+ .irq_shutdown = shutdown_giuint,
};
static void ack_giuint_high(struct irq_data *d)
diff --git a/drivers/spi/spi-au1550.c b/drivers/spi/spi-au1550.c
index c4141c9..2ca4ee2 100644
--- a/drivers/spi/spi-au1550.c
+++ b/drivers/spi/spi-au1550.c
@@ -999,6 +999,15 @@
* create memory device with 8 bits dev_devwidth
* needed for proper byte ordering to spi fifo
*/
+ switch (alchemy_get_cputype()) {
+ case ALCHEMY_CPU_AU1550:
+ case ALCHEMY_CPU_AU1200:
+ case ALCHEMY_CPU_AU1300:
+ break;
+ default:
+ return -ENODEV;
+ }
+
if (usedma) {
ddma_memid = au1xxx_ddma_add_device(&au1550_spi_mem_dbdev);
if (!ddma_memid)
