LXR linux/arch/arm/mach-ixp4xx/gateway7001-setup.c

   1/*
   2 * arch/arm/mach-ixp4xx/gateway7001-setup.c
   3 *
   4 * Board setup for the Gateway 7001 board
   5 *
   6 * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
   7 *
   8 * based on coyote-setup.c:
   9 *      Copyright (C) 2003-2005 MontaVista Software, Inc.
  10 *
  11 * Author: Imre Kaloz <Kaloz@openwrt.org>
  12 */
  13
  14#include <linux/kernel.h>
  15#include <linux/init.h>
  16#include <linux/device.h>
  17#include <linux/serial.h>
  18#include <linux/tty.h>
  19#include <linux/serial_8250.h>
  20
  21#include <asm/types.h>
  22#include <asm/setup.h>
  23#include <asm/memory.h>
  24#include <mach/hardware.h>
  25#include <asm/irq.h>
  26#include <asm/mach-types.h>
  27#include <asm/mach/arch.h>
  28#include <asm/mach/flash.h>
  29
  30static struct flash_platform_data gateway7001_flash_data = {
  31        .map_name       = "cfi_probe",
  32        .width          = 2,
  33};
  34
  35static struct resource gateway7001_flash_resource = {
  36        .flags          = IORESOURCE_MEM,
  37};
  38
  39static struct platform_device gateway7001_flash = {
  40        .name           = "IXP4XX-Flash",
  41        .id             = 0,
  42        .dev            = {
  43                .platform_data = &gateway7001_flash_data,
  44        },
  45        .num_resources  = 1,
  46        .resource       = &gateway7001_flash_resource,
  47};
  48
  49static struct resource gateway7001_uart_resource = {
  50        .start  = IXP4XX_UART2_BASE_PHYS,
  51        .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
  52        .flags  = IORESOURCE_MEM,
  53};
  54
  55static struct plat_serial8250_port gateway7001_uart_data[] = {
  56        {
  57                .mapbase        = IXP4XX_UART2_BASE_PHYS,
  58                .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
  59                .irq            = IRQ_IXP4XX_UART2,
  60                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
  61                .iotype         = UPIO_MEM,
  62                .regshift       = 2,
  63                .uartclk        = IXP4XX_UART_XTAL,
  64        },
  65        { },
  66};
  67
  68static struct platform_device gateway7001_uart = {
  69        .name           = "serial8250",
  70        .id             = PLAT8250_DEV_PLATFORM,
  71        .dev                    = {
  72                .platform_data  = gateway7001_uart_data,
  73        },
  74        .num_resources  = 1,
  75        .resource       = &gateway7001_uart_resource,
  76};
  77
  78static struct platform_device *gateway7001_devices[] __initdata = {
  79        &gateway7001_flash,
  80        &gateway7001_uart
  81};
  82
  83static void __init gateway7001_init(void)
  84{
  85        ixp4xx_sys_init();
  86
  87        gateway7001_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
  88        gateway7001_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
  89
  90        *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
  91        *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
  92
  93        platform_add_devices(gateway7001_devices, ARRAY_SIZE(gateway7001_devices));
  94}
  95
  96#ifdef CONFIG_MACH_GATEWAY7001
  97MACHINE_START(GATEWAY7001, "Gateway 7001 AP")
  98        /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
  99        .map_io         = ixp4xx_map_io,
 100        .init_early     = ixp4xx_init_early,
 101        .init_irq       = ixp4xx_init_irq,
 102        .init_time      = ixp4xx_timer_init,
 103        .atag_offset    = 0x100,
 104        .init_machine   = gateway7001_init,
 105#if defined(CONFIG_PCI)
 106        .dma_zone_size  = SZ_64M,
 107#endif
 108        .restart        = ixp4xx_restart,
 109MACHINE_END
 110#endif
 111