| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * arch/arm/mach-iop33x/iq80331.c |
| * |
| * Board support code for the Intel IQ80331 platform. |
| * |
| * Author: Dave Jiang <dave.jiang@intel.com> |
| * Copyright (C) 2003 Intel Corp. |
| */ |
| |
| #include <linux/mm.h> |
| #include <linux/init.h> |
| #include <linux/kernel.h> |
| #include <linux/pci.h> |
| #include <linux/string.h> |
| #include <linux/serial_core.h> |
| #include <linux/serial_8250.h> |
| #include <linux/mtd/physmap.h> |
| #include <linux/platform_device.h> |
| #include <linux/io.h> |
| #include <mach/hardware.h> |
| #include <asm/irq.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| #include <asm/mach/pci.h> |
| #include <asm/mach/time.h> |
| #include <asm/mach-types.h> |
| #include <asm/page.h> |
| #include <asm/pgtable.h> |
| #include <mach/time.h> |
| |
| /* |
| * IQ80331 timer tick configuration. |
| */ |
| static void __init iq80331_timer_init(void) |
| { |
| /* D-Step parts run at a higher internal bus frequency */ |
| if (*IOP3XX_ATURID >= 0xa) |
| iop_init_time(333000000); |
| else |
| iop_init_time(266000000); |
| } |
| |
| |
| /* |
| * IQ80331 PCI. |
| */ |
| static int __init |
| iq80331_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
| { |
| int irq; |
| |
| if (slot == 1 && pin == 1) { |
| /* PCI-X Slot INTA */ |
| irq = IRQ_IOP33X_XINT1; |
| } else if (slot == 1 && pin == 2) { |
| /* PCI-X Slot INTB */ |
| irq = IRQ_IOP33X_XINT2; |
| } else if (slot == 1 && pin == 3) { |
| /* PCI-X Slot INTC */ |
| irq = IRQ_IOP33X_XINT3; |
| } else if (slot == 1 && pin == 4) { |
| /* PCI-X Slot INTD */ |
| irq = IRQ_IOP33X_XINT0; |
| } else if (slot == 2) { |
| /* GigE */ |
| irq = IRQ_IOP33X_XINT2; |
| } else { |
| printk(KERN_ERR "iq80331_pci_map_irq() called for unknown " |
| "device PCI:%d:%d:%d\n", dev->bus->number, |
| PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)); |
| irq = -1; |
| } |
| |
| return irq; |
| } |
| |
| static struct hw_pci iq80331_pci __initdata = { |
| .nr_controllers = 1, |
| .ops = &iop3xx_ops, |
| .setup = iop3xx_pci_setup, |
| .preinit = iop3xx_pci_preinit_cond, |
| .map_irq = iq80331_pci_map_irq, |
| }; |
| |
| static int __init iq80331_pci_init(void) |
| { |
| if ((iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE) && |
| machine_is_iq80331()) |
| pci_common_init(&iq80331_pci); |
| |
| return 0; |
| } |
| |
| subsys_initcall(iq80331_pci_init); |
| |
| |
| /* |
| * IQ80331 machine initialisation. |
| */ |
| static struct physmap_flash_data iq80331_flash_data = { |
| .width = 1, |
| }; |
| |
| static struct resource iq80331_flash_resource = { |
| .start = 0xc0000000, |
| .end = 0xc07fffff, |
| .flags = IORESOURCE_MEM, |
| }; |
| |
| static struct platform_device iq80331_flash_device = { |
| .name = "physmap-flash", |
| .id = 0, |
| .dev = { |
| .platform_data = &iq80331_flash_data, |
| }, |
| .num_resources = 1, |
| .resource = &iq80331_flash_resource, |
| }; |
| |
| static struct resource iq80331_gpio_res[] = { |
| DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x1780), 0x10), |
| }; |
| |
| static void __init iq80331_init_machine(void) |
| { |
| platform_device_register_simple("gpio-iop", 0, |
| iq80331_gpio_res, |
| ARRAY_SIZE(iq80331_gpio_res)); |
| platform_device_register(&iop3xx_i2c0_device); |
| platform_device_register(&iop3xx_i2c1_device); |
| platform_device_register(&iop33x_uart0_device); |
| platform_device_register(&iop33x_uart1_device); |
| platform_device_register(&iq80331_flash_device); |
| platform_device_register(&iop3xx_dma_0_channel); |
| platform_device_register(&iop3xx_dma_1_channel); |
| platform_device_register(&iop3xx_aau_channel); |
| } |
| |
| MACHINE_START(IQ80331, "Intel IQ80331") |
| /* Maintainer: Intel Corp. */ |
| .atag_offset = 0x100, |
| .map_io = iop3xx_map_io, |
| .init_irq = iop33x_init_irq, |
| .init_time = iq80331_timer_init, |
| .init_machine = iq80331_init_machine, |
| .restart = iop3xx_restart, |
| MACHINE_END |