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#include <linux/slab.h>
  21
  22#include <asm/types.h>
  23#include <asm/setup.h>
  24#include <asm/memory.h>
  25#include <mach/hardware.h>
  26#include <asm/irq.h>
  27#include <asm/mach-types.h>
  28#include <asm/mach/arch.h>
  29#include <asm/mach/flash.h>
  30
  31static struct flash_platform_data gateway7001_flash_data = {
  32        .map_name       = "cfi_probe",
  33        .width          = 2,
  34};
  35
  36static struct resource gateway7001_flash_resource = {
  37        .flags          = IORESOURCE_MEM,
  38};
  39
  40static struct platform_device gateway7001_flash = {
  41        .name           = "IXP4XX-Flash",
  42        .id             = 0,
  43        .dev            = {
  44                .platform_data = &gateway7001_flash_data,
  45        },
  46        .num_resources  = 1,
  47        .resource       = &gateway7001_flash_resource,
  48};
  49
  50static struct resource gateway7001_uart_resource = {
  51        .start  = IXP4XX_UART2_BASE_PHYS,
  52        .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
  53        .flags  = IORESOURCE_MEM,
  54};
  55
  56static struct plat_serial8250_port gateway7001_uart_data[] = {
  57        {
  58                .mapbase        = IXP4XX_UART2_BASE_PHYS,
  59                .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
  60                .irq            = IRQ_IXP4XX_UART2,
  61                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
  62                .iotype         = UPIO_MEM,
  63                .regshift       = 2,
  64                .uartclk        = IXP4XX_UART_XTAL,
  65        },
  66        { },
  67};
  68
  69static struct platform_device gateway7001_uart = {
  70        .name           = "serial8250",
  71        .id             = PLAT8250_DEV_PLATFORM,
  72        .dev                    = {
  73                .platform_data  = gateway7001_uart_data,
  74        },
  75        .num_resources  = 1,
  76        .resource       = &gateway7001_uart_resource,
  77};
  78
  79static struct platform_device *gateway7001_devices[] __initdata = {
  80        &gateway7001_flash,
  81        &gateway7001_uart
  82};
  83
  84static void __init gateway7001_init(void)
  85{
  86        ixp4xx_sys_init();
  87
  88        gateway7001_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
  89        gateway7001_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
  90
  91        *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
  92        *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
  93
  94        platform_add_devices(gateway7001_devices, ARRAY_SIZE(gateway7001_devices));
  95}
  96
  97#ifdef CONFIG_MACH_GATEWAY7001
  98MACHINE_START(GATEWAY7001, "Gateway 7001 AP")
  99        /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 100        .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 101        .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 102        .map_io         = ixp4xx_map_io,
 103        .init_irq       = ixp4xx_init_irq,
 104        .timer          = &ixp4xx_timer,
 105        .boot_params    = 0x0100,
 106        .init_machine   = gateway7001_init,
 107MACHINE_END
 108#endif
 109