release/src-rt-6.x.4708/linux/linux-2.6.36/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
  30 static struct flash_platform_data gateway7001_flash_data = {
  31         .map_name       = "cfi_probe",
  32         .width          = 2,
  33 };
  34
  35 static struct resource gateway7001_flash_resource = {
  36         .flags          = IORESOURCE_MEM,
  37 };
  38
  39 static 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
  49 static struct resource gateway7001_uart_resource = {
  50         .start  = IXP4XX_UART2_BASE_PHYS,
  51         .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
  52         .flags  = IORESOURCE_MEM,
  53 };
  54
  55 static 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
  68 static 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
  78 static struct platform_device *gateway7001_devices[] __initdata = {
  79         &gateway7001_flash,
  80         &gateway7001_uart
  81 };
  82
  83 static 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
  97 MACHINE_START(GATEWAY7001, "Gateway 7001 AP")
  98         /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
  99         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 100         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 101         .map_io         = ixp4xx_map_io,
 102         .init_irq       = ixp4xx_init_irq,
 103         .timer          = &ixp4xx_timer,
 104         .boot_params    = 0x0100,
 105         .init_machine   = gateway7001_init,
 106 MACHINE_END
 107 #endif