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Sourcecode: linux-2.6 version File versions

coyote-setup.c

/*
 * arch/arm/mach-ixp4xx/coyote-setup.c
 *
 * Board setup for ADI Engineering and IXDGP425 boards
 *
 * Copyright (C) 2003-2005 MontaVista Software, Inc.
 *
 * Author: Deepak Saxena <dsaxena@plexity.net>
 */

#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 <asm/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 coyote_flash_data = {
      .map_name   = "cfi_probe",
      .width            = 2,
};

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

static struct platform_device coyote_flash = {
      .name       = "IXP4XX-Flash",
      .id         = 0,
      .dev        = {
            .platform_data = &coyote_flash_data,
      },
      .num_resources    = 1,
      .resource   = &coyote_flash_resource,
};

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

static struct plat_serial8250_port coyote_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 coyote_uart = {
      .name       = "serial8250",
      .id         = PLAT8250_DEV_PLATFORM,
      .dev              = {
            .platform_data    = coyote_uart_data,
      },
      .num_resources    = 1,
      .resource   = &coyote_uart_resource,
};

static struct platform_device *coyote_devices[] __initdata = {
      &coyote_flash,
      &coyote_uart
};

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

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

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

      if (machine_is_ixdpg425()) {
            coyote_uart_data[0].membase =
                  (char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET);
            coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS;
            coyote_uart_data[0].irq = IRQ_IXP4XX_UART1;
      }

      platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices));
}

#ifdef CONFIG_ARCH_ADI_COYOTE
MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
      /* Maintainer: MontaVista Software, Inc. */
      .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     = coyote_init,
MACHINE_END
#endif

/*
 * IXDPG425 is identical to Coyote except for which serial port
 * is connected.
 */
#ifdef CONFIG_MACH_IXDPG425
MACHINE_START(IXDPG425, "Intel IXDPG425")
      /* Maintainer: MontaVista Software, Inc. */
      .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     = coyote_init,
MACHINE_END
#endif


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