sheevaplug-setup.c

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/*
 * arch/arm/mach-kirkwood/sheevaplug-setup.c
 *
 * Marvell SheevaPlug Reference Board Setup
 *
 * 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <linux/mtd/partitions.h>
#include <linux/mv643xx_eth.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include <linux/platform_data/mmc-mvsdio.h>
#include "common.h"
#include "mpp.h"

static struct mtd_partition sheevaplug_nand_parts[] = {
    {
        .name = "u-boot",
        .offset = 0,
        .size = SZ_1M
    }, {
        .name = "uImage",
        .offset = MTDPART_OFS_NXTBLK,
        .size = SZ_4M
    }, {
        .name = "root",
        .offset = MTDPART_OFS_NXTBLK,
        .size = MTDPART_SIZ_FULL
    },
};

static struct mv643xx_eth_platform_data sheevaplug_ge00_data = {
    .phy_addr   = MV643XX_ETH_PHY_ADDR(0),
};

static struct mv_sata_platform_data sheeva_esata_sata_data = {
    .n_ports    = 2,
};

static struct mvsdio_platform_data sheevaplug_mvsdio_data = {
    /* unfortunately the CD signal has not been connected */
};

static struct mvsdio_platform_data sheeva_esata_mvsdio_data = {
    .gpio_write_protect = 44, /* MPP44 used as SD write protect */
    .gpio_card_detect = 47,   /* MPP47 used as SD card detect */
};

static struct gpio_led sheevaplug_led_pins[] = {
    {
        .name           = "plug:red:misc",
        .default_trigger    = "none",
        .gpio           = 46,
        .active_low     = 1,
    },
    {
        .name           = "plug:green:health",
        .default_trigger    = "default-on",
        .gpio           = 49,
        .active_low     = 1,
    },
};

static struct gpio_led_platform_data sheevaplug_led_data = {
    .leds       = sheevaplug_led_pins,
    .num_leds   = ARRAY_SIZE(sheevaplug_led_pins),
};

static struct platform_device sheevaplug_leds = {
    .name   = "leds-gpio",
    .id = -1,
    .dev    = {
        .platform_data  = &sheevaplug_led_data,
    }
};

static unsigned int sheevaplug_mpp_config[] __initdata = {
    MPP29_GPIO, /* USB Power Enable */
    MPP46_GPIO, /* LED Red */
    MPP49_GPIO, /* LED */
    0
};

static unsigned int sheeva_esata_mpp_config[] __initdata = {
    MPP29_GPIO, /* USB Power Enable */
    MPP44_GPIO, /* SD Write Protect */
    MPP47_GPIO, /* SD Card Detect */
    MPP49_GPIO, /* LED Green */
    0
};

static void __init sheevaplug_init(void)
{
    /*
     * Basic setup. Needs to be called early.
     */
    kirkwood_init();

    /* setup gpio pin select */
    if (machine_is_esata_sheevaplug())
        kirkwood_mpp_conf(sheeva_esata_mpp_config);
    else
        kirkwood_mpp_conf(sheevaplug_mpp_config);

    kirkwood_uart0_init();
    kirkwood_nand_init(ARRAY_AND_SIZE(sheevaplug_nand_parts), 25);

    if (gpio_request(29, "USB Power Enable") != 0 ||
        gpio_direction_output(29, 1) != 0)
        printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
    kirkwood_ehci_init();

    kirkwood_ge00_init(&sheevaplug_ge00_data);

    /* honor lower power consumption for plugs with out eSATA */
    if (machine_is_esata_sheevaplug())
        kirkwood_sata_init(&sheeva_esata_sata_data);

    /* enable sd wp and sd cd on plugs with esata */
    if (machine_is_esata_sheevaplug())
        kirkwood_sdio_init(&sheeva_esata_mvsdio_data);
    else
        kirkwood_sdio_init(&sheevaplug_mvsdio_data);

    platform_device_register(&sheevaplug_leds);
}

#ifdef CONFIG_MACH_SHEEVAPLUG
MACHINE_START(SHEEVAPLUG, "Marvell SheevaPlug Reference Board")
    /* Maintainer: shadi Ammouri <[email protected]> */
    .atag_offset    = 0x100,
    .init_machine   = sheevaplug_init,
    .map_io     = kirkwood_map_io,
    .init_early = kirkwood_init_early,
    .init_irq   = kirkwood_init_irq,
    .timer      = &kirkwood_timer,
    .restart    = kirkwood_restart,
MACHINE_END
#endif

#ifdef CONFIG_MACH_ESATA_SHEEVAPLUG
MACHINE_START(ESATA_SHEEVAPLUG, "Marvell eSATA SheevaPlug Reference Board")
    .atag_offset    = 0x100,
    .init_machine   = sheevaplug_init,
    .map_io     = kirkwood_map_io,
    .init_early = kirkwood_init_early,
    .init_irq   = kirkwood_init_irq,
    .timer      = &kirkwood_timer,
    .restart    = kirkwood_restart,
MACHINE_END
#endif