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gateway7001-setup.c

/*
 * arch/arm/mach-ixp4xx/gateway7001-setup.c
 *
 * Board setup for the Gateway 7001 board
 *
 * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
 *
 * based on coyote-setup.c:
 *      Copyright (C) 2003-2005 MontaVista Software, Inc.
 *
 * Author: Imre Kaloz <Kaloz@openwrt.org>
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/serial_8250.h>
#include <linux/slab.h>

#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>

static struct flash_platform_data gateway7001_flash_data = {
      .map_name   = "cfi_probe",
      .width            = 2,
};

static struct resource gateway7001_flash_resource = {
      .flags            = IORESOURCE_MEM,
};

static struct platform_device gateway7001_flash = {
      .name       = "IXP4XX-Flash",
      .id         = 0,
      .dev        = {
            .platform_data = &gateway7001_flash_data,
      },
      .num_resources    = 1,
      .resource   = &gateway7001_flash_resource,
};

static struct resource gateway7001_uart_resource = {
      .start      = IXP4XX_UART2_BASE_PHYS,
      .end  = IXP4XX_UART2_BASE_PHYS + 0x0fff,
      .flags      = IORESOURCE_MEM,
};

static struct plat_serial8250_port gateway7001_uart_data[] = {
      {
            .mapbase    = IXP4XX_UART2_BASE_PHYS,
            .membase    = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
            .irq        = IRQ_IXP4XX_UART2,
            .flags            = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
            .iotype           = UPIO_MEM,
            .regshift   = 2,
            .uartclk    = IXP4XX_UART_XTAL,
      },
      { },
};

static struct platform_device gateway7001_uart = {
      .name       = "serial8250",
      .id         = PLAT8250_DEV_PLATFORM,
      .dev              = {
            .platform_data    = gateway7001_uart_data,
      },
      .num_resources    = 1,
      .resource   = &gateway7001_uart_resource,
};

static struct platform_device *gateway7001_devices[] __initdata = {
      &gateway7001_flash,
      &gateway7001_uart
};

static void __init gateway7001_init(void)
{
      ixp4xx_sys_init();

      gateway7001_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
      gateway7001_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;

      *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
      *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;

      platform_add_devices(gateway7001_devices, ARRAY_SIZE(gateway7001_devices));
}

#ifdef CONFIG_MACH_GATEWAY7001
MACHINE_START(GATEWAY7001, "Gateway 7001 AP")
      /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
      .phys_io    = IXP4XX_PERIPHERAL_BASE_PHYS,
      .io_pg_offst      = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
      .map_io           = ixp4xx_map_io,
      .init_irq   = ixp4xx_init_irq,
      .timer            = &ixp4xx_timer,
      .boot_params      = 0x0100,
      .init_machine     = gateway7001_init,
MACHINE_END
#endif

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