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mx1ads.c

/*
 * arch/arm/mach-imx/mx1ads.c
 *
 * Initially based on:
 *    linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
 *    Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
 *
 * 2004 (c) MontaVista Software, Inc.
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2. This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#include <linux/device.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <asm/system.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/pgtable.h>
#include <asm/page.h>

#include <asm/mach/map.h>
#include <asm/mach-types.h>

#include <asm/mach/arch.h>
#include <mach/mmc.h>
#include <mach/imx-uart.h>
#include <linux/interrupt.h>
#include "generic.h"

static struct resource cs89x0_resources[] = {
      [0] = {
            .start      = IMX_CS4_PHYS + 0x300,
            .end  = IMX_CS4_PHYS + 0x300 + 16,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = IRQ_GPIOC(17),
            .end  = IRQ_GPIOC(17),
            .flags      = IORESOURCE_IRQ,
      },
};

static struct platform_device cs89x0_device = {
      .name       = "cirrus-cs89x0",
      .num_resources    = ARRAY_SIZE(cs89x0_resources),
      .resource   = cs89x0_resources,
};

static struct imxuart_platform_data uart_pdata = {
      .flags = IMXUART_HAVE_RTSCTS,
};

static struct resource imx_uart1_resources[] = {
      [0] = {
            .start      = 0x00206000,
            .end  = 0x002060FF,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = (UART1_MINT_RX),
            .end  = (UART1_MINT_RX),
            .flags      = IORESOURCE_IRQ,
      },
      [2] = {
            .start      = (UART1_MINT_TX),
            .end  = (UART1_MINT_TX),
            .flags      = IORESOURCE_IRQ,
      },
      [3] = {
            .start      = UART1_MINT_RTS,
            .end  = UART1_MINT_RTS,
            .flags      = IORESOURCE_IRQ,
      },
};

static struct platform_device imx_uart1_device = {
      .name       = "imx-uart",
      .id         = 0,
      .num_resources    = ARRAY_SIZE(imx_uart1_resources),
      .resource   = imx_uart1_resources,
      .dev = {
            .platform_data = &uart_pdata,
      }
};

static struct resource imx_uart2_resources[] = {
      [0] = {
            .start      = 0x00207000,
            .end  = 0x002070FF,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = (UART2_MINT_RX),
            .end  = (UART2_MINT_RX),
            .flags      = IORESOURCE_IRQ,
      },
      [2] = {
            .start      = (UART2_MINT_TX),
            .end  = (UART2_MINT_TX),
            .flags      = IORESOURCE_IRQ,
      },
      [3] = {
            .start      = UART2_MINT_RTS,
            .end  = UART2_MINT_RTS,
            .flags      = IORESOURCE_IRQ,
      },
};

static struct platform_device imx_uart2_device = {
      .name       = "imx-uart",
      .id         = 1,
      .num_resources    = ARRAY_SIZE(imx_uart2_resources),
      .resource   = imx_uart2_resources,
      .dev = {
            .platform_data = &uart_pdata,
      }
};

static struct platform_device *devices[] __initdata = {
      &cs89x0_device,
      &imx_uart1_device,
      &imx_uart2_device,
};

#if defined(CONFIG_MMC_IMX) || defined(CONFIG_MMC_IMX_MODULE)
static int mx1ads_mmc_card_present(struct device *dev)
{
      /* MMC/SD Card Detect is PB 20 on MX1ADS V1.0.7 */
      return (SSR(1) & (1 << 20) ? 0 : 1);
}

static struct imxmmc_platform_data mx1ads_mmc_info = {
       .card_present = mx1ads_mmc_card_present,
};
#endif

static void __init
mx1ads_init(void)
{
#ifdef CONFIG_LEDS
      imx_gpio_mode(GPIO_PORTA | GPIO_OUT | 2);
#endif
#if defined(CONFIG_MMC_IMX) || defined(CONFIG_MMC_IMX_MODULE)
      /* SD/MMC card detect */
      imx_gpio_mode(GPIO_PORTB | GPIO_GIUS | GPIO_IN | 20);
      imx_set_mmc_info(&mx1ads_mmc_info);
#endif

      imx_gpio_mode(PC9_PF_UART1_CTS);
      imx_gpio_mode(PC10_PF_UART1_RTS);
      imx_gpio_mode(PC11_PF_UART1_TXD);
      imx_gpio_mode(PC12_PF_UART1_RXD);

      imx_gpio_mode(PB28_PF_UART2_CTS);
      imx_gpio_mode(PB29_PF_UART2_RTS);
      imx_gpio_mode(PB30_PF_UART2_TXD);
      imx_gpio_mode(PB31_PF_UART2_RXD);

      platform_add_devices(devices, ARRAY_SIZE(devices));
}

static void __init
mx1ads_map_io(void)
{
      imx_map_io();
}

MACHINE_START(MX1ADS, "Motorola MX1ADS")
      /* Maintainer: Sascha Hauer, Pengutronix */
      .phys_io    = 0x00200000,
      .io_pg_offst      = ((0xe0000000) >> 18) & 0xfffc,
      .boot_params      = 0x08000100,
      .map_io           = mx1ads_map_io,
      .init_irq   = imx_init_irq,
      .timer            = &imx_timer,
      .init_machine     = mx1ads_init,
MACHINE_END

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