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avila-setup.c

/*
 * arch/arm/mach-ixp4xx/avila-setup.c
 *
 * Gateworks Avila board-setup
 *
 * Author: Michael-Luke Jones <mlj28@cam.ac.uk>
 *
 * Based on ixdp-setup.c
 * 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/i2c-gpio.h>
#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>

#define AVILA_SDA_PIN   7
#define AVILA_SCL_PIN   6

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

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

static struct platform_device avila_flash = {
      .name       = "IXP4XX-Flash",
      .id         = 0,
      .dev        = {
            .platform_data = &avila_flash_data,
      },
      .num_resources    = 1,
      .resource   = &avila_flash_resource,
};

static struct i2c_gpio_platform_data avila_i2c_gpio_data = {
      .sda_pin    = AVILA_SDA_PIN,
      .scl_pin    = AVILA_SCL_PIN,
};

static struct platform_device avila_i2c_gpio = {
      .name       = "i2c-gpio",
      .id         = 0,
      .dev   = {
            .platform_data    = &avila_i2c_gpio_data,
      },
};

static struct resource avila_uart_resources[] = {
      {
            .start            = IXP4XX_UART1_BASE_PHYS,
            .end        = IXP4XX_UART1_BASE_PHYS + 0x0fff,
            .flags            = IORESOURCE_MEM
      },
      {
            .start            = IXP4XX_UART2_BASE_PHYS,
            .end        = IXP4XX_UART2_BASE_PHYS + 0x0fff,
            .flags            = IORESOURCE_MEM
      }
};

static struct plat_serial8250_port avila_uart_data[] = {
      {
            .mapbase    = IXP4XX_UART1_BASE_PHYS,
            .membase    = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
            .irq        = IRQ_IXP4XX_UART1,
            .flags            = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
            .iotype           = UPIO_MEM,
            .regshift   = 2,
            .uartclk    = IXP4XX_UART_XTAL,
      },
      {
            .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 avila_uart = {
      .name             = "serial8250",
      .id               = PLAT8250_DEV_PLATFORM,
      .dev.platform_data      = avila_uart_data,
      .num_resources          = 2,
      .resource         = avila_uart_resources
};

static struct resource avila_pata_resources[] = {
      {
            .flags      = IORESOURCE_MEM
      },
      {
            .flags      = IORESOURCE_MEM,
      },
      {
            .name = "intrq",
            .start      = IRQ_IXP4XX_GPIO12,
            .end  = IRQ_IXP4XX_GPIO12,
            .flags      = IORESOURCE_IRQ,
      },
};

static struct ixp4xx_pata_data avila_pata_data = {
      .cs0_bits   = 0xbfff0043,
      .cs1_bits   = 0xbfff0043,
};

static struct platform_device avila_pata = {
      .name             = "pata_ixp4xx_cf",
      .id               = 0,
      .dev.platform_data      = &avila_pata_data,
      .num_resources          = ARRAY_SIZE(avila_pata_resources),
      .resource         = avila_pata_resources,
};

static struct platform_device *avila_devices[] __initdata = {
      &avila_i2c_gpio,
      &avila_flash,
      &avila_uart
};

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

      avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
      avila_flash_resource.end =
            IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;

      platform_add_devices(avila_devices, ARRAY_SIZE(avila_devices));

      avila_pata_resources[0].start = IXP4XX_EXP_BUS_BASE(1);
      avila_pata_resources[0].end = IXP4XX_EXP_BUS_END(1);

      avila_pata_resources[1].start = IXP4XX_EXP_BUS_BASE(2);
      avila_pata_resources[1].end = IXP4XX_EXP_BUS_END(2);

      avila_pata_data.cs0_cfg = IXP4XX_EXP_CS1;
      avila_pata_data.cs1_cfg = IXP4XX_EXP_CS2;

      platform_device_register(&avila_pata);

}

MACHINE_START(AVILA, "Gateworks Avila Network Platform")
      /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
      .map_io           = ixp4xx_map_io,
      .init_irq   = ixp4xx_init_irq,
      .timer            = &ixp4xx_timer,
      .boot_params      = 0x0100,
      .init_machine     = avila_init,
MACHINE_END

 /*
  * Loft is functionally equivalent to Avila except that it has a
  * different number for the maximum PCI devices.  The MACHINE
  * structure below is identical to Avila except for the comment.
  */
#ifdef CONFIG_MACH_LOFT
MACHINE_START(LOFT, "Giant Shoulder Inc Loft board")
      /* Maintainer: Tom Billman <kernel@giantshoulderinc.com> */
      .map_io           = ixp4xx_map_io,
      .init_irq   = ixp4xx_init_irq,
      .timer            = &ixp4xx_timer,
      .boot_params      = 0x0100,
      .init_machine     = avila_init,
MACHINE_END
#endif


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