[ARM] 4331/3: Support for Micrel/Kendin KS8695 processor
Add core support for the Kendin/Micrel KS8695 processor family.
It is an ARM922-T based SoC with integrated USART, 4-port Ethernet
Switch, WAN Ethernet port, and optional PCI Host bridge, etc.
http://www.micrel.com/page.do?page=product-info/sys_on_chip.jsp
This patch is based on earlier patches from Lennert Buytenhek, Ben
Dooks and Greg Ungerer posted to the arm-linux-kernel mailing list in
March 2006; and Micrel's 2.6.9 port.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/arch-ks8695/entry-macro.S b/include/asm-arm/arch-ks8695/entry-macro.S
new file mode 100644
index 0000000..e34bdf8
--- /dev/null
+++ b/include/asm-arm/arch-ks8695/entry-macro.S
@@ -0,0 +1,53 @@
+/*
+ * include/asm-arm/arch-ks8695/entry-macro.S
+ *
+ * Copyright (C) 2006 Ben Dooks <ben@simtec.co.uk>
+ * Copyright (C) 2006 Simtec Electronics
+ *
+ * Low-level IRQ helper macros for KS8695
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+*/
+
+#include <asm/hardware.h>
+#include <asm/arch/regs-irq.h>
+
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_preamble, base, tmp
+ ldr \base, =KS8695_IRQ_VA @ Base address of interrupt controller
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ ldr \irqstat, [\base, #KS8695_INTMS] @ Mask Status register
+
+ teq \irqstat, #0
+ beq 1001f
+
+ mov \irqnr, #0
+
+ tst \irqstat, #0xff
+ moveq \irqstat, \irqstat, lsr #8
+ addeq \irqnr, \irqnr, #8
+ tsteq \irqstat, #0xff
+ moveq \irqstat, \irqstat, lsr #8
+ addeq \irqnr, \irqnr, #8
+ tsteq \irqstat, #0xff
+ moveq \irqstat, \irqstat, lsr #8
+ addeq \irqnr, \irqnr, #8
+ tst \irqstat, #0x0f
+ moveq \irqstat, \irqstat, lsr #4
+ addeq \irqnr, \irqnr, #4
+ tst \irqstat, #0x03
+ moveq \irqstat, \irqstat, lsr #2
+ addeq \irqnr, \irqnr, #2
+ tst \irqstat, #0x01
+ addeqs \irqnr, \irqnr, #1
+1001:
+ .endm
