LXR linux/arch/arm/mach-ixp4xx/coyote-setup.c

   1/*
   2 * arch/arm/mach-ixp4xx/coyote-setup.c
   3 *
   4 * Board setup for ADI Engineering and IXDGP425 boards
   5 *
   6 * Copyright (C) 2003-2005 MontaVista Software, Inc.
   7 *
   8 * Author: Deepak Saxena <dsaxena@plexity.net>
   9 */
  10
  11#include <linux/kernel.h>
  12#include <linux/init.h>
  13#include <linux/device.h>
  14#include <linux/serial.h>
  15#include <linux/tty.h>
  16#include <linux/serial_8250.h>
  17
  18#include <asm/types.h>
  19#include <asm/setup.h>
  20#include <asm/memory.h>
  21#include <mach/hardware.h>
  22#include <asm/irq.h>
  23#include <asm/mach-types.h>
  24#include <asm/mach/arch.h>
  25#include <asm/mach/flash.h>
  26
  27#define COYOTE_IDE_BASE_PHYS    IXP4XX_EXP_BUS_BASE(3)
  28#define COYOTE_IDE_BASE_VIRT    0xFFFE1000
  29#define COYOTE_IDE_REGION_SIZE  0x1000
  30
  31#define COYOTE_IDE_DATA_PORT    0xFFFE10E0
  32#define COYOTE_IDE_CTRL_PORT    0xFFFE10FC
  33#define COYOTE_IDE_ERROR_PORT   0xFFFE10E2
  34#define IRQ_COYOTE_IDE          IRQ_IXP4XX_GPIO5
  35
  36static struct flash_platform_data coyote_flash_data = {
  37        .map_name       = "cfi_probe",
  38        .width          = 2,
  39};
  40
  41static struct resource coyote_flash_resource = {
  42        .flags          = IORESOURCE_MEM,
  43};
  44
  45static struct platform_device coyote_flash = {
  46        .name           = "IXP4XX-Flash",
  47        .id             = 0,
  48        .dev            = {
  49                .platform_data = &coyote_flash_data,
  50        },
  51        .num_resources  = 1,
  52        .resource       = &coyote_flash_resource,
  53};
  54
  55static struct resource coyote_uart_resource = {
  56        .start  = IXP4XX_UART2_BASE_PHYS,
  57        .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
  58        .flags  = IORESOURCE_MEM,
  59};
  60
  61static struct plat_serial8250_port coyote_uart_data[] = {
  62        {
  63                .mapbase        = IXP4XX_UART2_BASE_PHYS,
  64                .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
  65                .irq            = IRQ_IXP4XX_UART2,
  66                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
  67                .iotype         = UPIO_MEM,
  68                .regshift       = 2,
  69                .uartclk        = IXP4XX_UART_XTAL,
  70        },
  71        { },
  72};
  73
  74static struct platform_device coyote_uart = {
  75        .name           = "serial8250",
  76        .id             = PLAT8250_DEV_PLATFORM,
  77        .dev                    = {
  78                .platform_data  = coyote_uart_data,
  79        },
  80        .num_resources  = 1,
  81        .resource       = &coyote_uart_resource,
  82};
  83
  84static struct platform_device *coyote_devices[] __initdata = {
  85        &coyote_flash,
  86        &coyote_uart
  87};
  88
  89static void __init coyote_init(void)
  90{
  91        ixp4xx_sys_init();
  92
  93        coyote_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
  94        coyote_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
  95
  96        *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
  97        *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
  98
  99        if (machine_is_ixdpg425()) {
 100                coyote_uart_data[0].membase =
 101                        (char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET);
 102                coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS;
 103                coyote_uart_data[0].irq = IRQ_IXP4XX_UART1;
 104        }
 105
 106        platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices));
 107}
 108
 109#ifdef CONFIG_ARCH_ADI_COYOTE
 110MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
 111        /* Maintainer: MontaVista Software, Inc. */
 112        .map_io         = ixp4xx_map_io,
 113        .init_early     = ixp4xx_init_early,
 114        .init_irq       = ixp4xx_init_irq,
 115        .init_time      = ixp4xx_timer_init,
 116        .atag_offset    = 0x100,
 117        .init_machine   = coyote_init,
 118#if defined(CONFIG_PCI)
 119        .dma_zone_size  = SZ_64M,
 120#endif
 121        .restart        = ixp4xx_restart,
 122MACHINE_END
 123#endif
 124
 125/*
 126 * IXDPG425 is identical to Coyote except for which serial port
 127 * is connected.
 128 */
 129#ifdef CONFIG_MACH_IXDPG425
 130MACHINE_START(IXDPG425, "Intel IXDPG425")
 131        /* Maintainer: MontaVista Software, Inc. */
 132        .map_io         = ixp4xx_map_io,
 133        .init_early     = ixp4xx_init_early,
 134        .init_irq       = ixp4xx_init_irq,
 135        .init_time      = ixp4xx_timer_init,
 136        .atag_offset    = 0x100,
 137        .init_machine   = coyote_init,
 138        .restart        = ixp4xx_restart,
 139MACHINE_END
 140#endif
 141
 142