avila-setup.c

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/*
 * arch/arm/mach-ixp4xx/avila-setup.c
 *
 * Gateworks Avila board-setup
 *
 * Author: Michael-Luke Jones <[email protected]>
 *
 * Based on ixdp-setup.c
 * Copyright (C) 2003-2005 MontaVista Software, Inc.
 *
 * Author: Deepak Saxena <[email protected]>
 */

#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 <[email protected]> */
    .map_io     = ixp4xx_map_io,
    .init_early = ixp4xx_init_early,
    .init_irq   = ixp4xx_init_irq,
    .timer      = &ixp4xx_timer,
    .atag_offset    = 0x100,
    .init_machine   = avila_init,
#if defined(CONFIG_PCI)
    .dma_zone_size  = SZ_64M,
#endif
    .restart    = ixp4xx_restart,
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 <[email protected]> */
    .map_io     = ixp4xx_map_io,
    .init_early = ixp4xx_init_early,
    .init_irq   = ixp4xx_init_irq,
    .timer      = &ixp4xx_timer,
    .atag_offset    = 0x100,
    .init_machine   = avila_init,
#if defined(CONFIG_PCI)
    .dma_zone_size  = SZ_64M,
#endif
    .restart    = ixp4xx_restart,
MACHINE_END
#endif