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ixdp425-setup.c

/*
 * arch/arm/mach-ixp4xx/ixdp425-setup.c
 *
 * IXDP425/IXCDP1100 board-setup 
 *
 * 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/mach-types.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>

static struct flash_platform_data ixdp425_flash_data = {
      .map_name   = "cfi_probe",
      .width            = 2,
};

static struct resource ixdp425_flash_resource = {
      .flags            = IORESOURCE_MEM,
};

static struct platform_device ixdp425_flash = {
      .name       = "IXP4XX-Flash",
      .id         = 0,
      .dev        = {
            .platform_data = &ixdp425_flash_data,
      },
      .num_resources    = 1,
      .resource   = &ixdp425_flash_resource,
};

static struct ixp4xx_i2c_pins ixdp425_i2c_gpio_pins = {
      .sda_pin    = IXDP425_SDA_PIN,
      .scl_pin    = IXDP425_SCL_PIN,
};

static struct platform_device ixdp425_i2c_controller = {
      .name       = "IXP4XX-I2C",
      .id         = 0,
      .dev        = {
            .platform_data = &ixdp425_i2c_gpio_pins,
      },
      .num_resources    = 0
};

static struct resource ixdp425_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 ixdp425_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 ixdp425_uart = {
      .name             = "serial8250",
      .id               = PLAT8250_DEV_PLATFORM,
      .dev.platform_data      = ixdp425_uart_data,
      .num_resources          = 2,
      .resource         = ixdp425_uart_resources
};

static struct platform_device *ixdp425_devices[] __initdata = {
      &ixdp425_i2c_controller,
      &ixdp425_flash,
      &ixdp425_uart
};

static void __init ixdp425_init(void)
{
      ixp4xx_sys_init();

      ixdp425_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
      ixdp425_flash_resource.end =
            IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;

      platform_add_devices(ixdp425_devices, ARRAY_SIZE(ixdp425_devices));
}

#ifdef CONFIG_ARCH_IXDP425
MACHINE_START(IXDP425, "Intel IXDP425 Development Platform")
      /* 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     = ixdp425_init,
MACHINE_END
#endif

#ifdef CONFIG_MACH_IXDP465
MACHINE_START(IXDP465, "Intel IXDP465 Development Platform")
      /* 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     = ixdp425_init,
MACHINE_END
#endif

#ifdef CONFIG_ARCH_PRPMC1100
MACHINE_START(IXCDP1100, "Intel IXCDP1100 Development Platform")
      /* 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     = ixdp425_init,
MACHINE_END
#endif

/*
 * Avila is functionally equivalent to IXDP425 except that it adds
 * a CF IDE slot hanging off the expansion bus. When we have a 
 * driver for IXP4xx CF IDE with driver model support we'll move
 * Avila to it's own setup file.
 */
#ifdef CONFIG_ARCH_AVILA
MACHINE_START(AVILA, "Gateworks Avila Network Platform")
      /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
      .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     = ixdp425_init,
MACHINE_END
#endif


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