mv2120-setup.c

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/*
 * Copyright (C) 2007 Herbert Valerio Riedel <[email protected]>
 * Copyright (C) 2008 Martin Michlmayr <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 */
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/irq.h>
#include <linux/mtd/physmap.h>
#include <linux/mv643xx_eth.h>
#include <linux/leds.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/ata_platform.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/orion5x.h>
#include "common.h"
#include "mpp.h"

#define MV2120_NOR_BOOT_BASE    0xf4000000
#define MV2120_NOR_BOOT_SIZE    SZ_512K

#define MV2120_GPIO_RTC_IRQ 3
#define MV2120_GPIO_KEY_RESET   17
#define MV2120_GPIO_KEY_POWER   18
#define MV2120_GPIO_POWER_OFF   19


/*****************************************************************************
 * Ethernet
 ****************************************************************************/
static struct mv643xx_eth_platform_data mv2120_eth_data = {
    .phy_addr   = MV643XX_ETH_PHY_ADDR(8),
};

static struct mv_sata_platform_data mv2120_sata_data = {
    .n_ports    = 2,
};

static struct mtd_partition mv2120_partitions[] = {
    {
        .name   = "firmware",
        .size   = 0x00080000,
        .offset = 0,
    },
};

static struct physmap_flash_data mv2120_nor_flash_data = {
    .width      = 1,
    .parts      = mv2120_partitions,
    .nr_parts   = ARRAY_SIZE(mv2120_partitions)
};

static struct resource mv2120_nor_flash_resource = {
    .flags      = IORESOURCE_MEM,
    .start      = MV2120_NOR_BOOT_BASE,
    .end        = MV2120_NOR_BOOT_BASE + MV2120_NOR_BOOT_SIZE - 1,
};

static struct platform_device mv2120_nor_flash = {
    .name       = "physmap-flash",
    .id     = 0,
    .dev        = {
        .platform_data  = &mv2120_nor_flash_data,
    },
    .resource   = &mv2120_nor_flash_resource,
    .num_resources  = 1,
};

static struct gpio_keys_button mv2120_buttons[] = {
    {
        .code       = KEY_RESTART,
        .gpio       = MV2120_GPIO_KEY_RESET,
        .desc       = "reset",
        .active_low = 1,
    }, {
        .code       = KEY_POWER,
        .gpio       = MV2120_GPIO_KEY_POWER,
        .desc       = "power",
        .active_low = 1,
    },
};

static struct gpio_keys_platform_data mv2120_button_data = {
    .buttons    = mv2120_buttons,
    .nbuttons   = ARRAY_SIZE(mv2120_buttons),
};

static struct platform_device mv2120_button_device = {
    .name       = "gpio-keys",
    .id     = -1,
    .num_resources  = 0,
    .dev        = {
        .platform_data  = &mv2120_button_data,
    },
};


/****************************************************************************
 * General Setup
 ****************************************************************************/
static unsigned int mv2120_mpp_modes[] __initdata = {
    MPP0_GPIO,      /* Sys status LED */
    MPP1_GPIO,      /* Sys error LED */
    MPP2_GPIO,      /* OverTemp interrupt */
    MPP3_GPIO,      /* RTC interrupt */
    MPP4_GPIO,      /* V_LED 5V */
    MPP5_GPIO,      /* V_LED 3.3V */
    MPP6_UNUSED,
    MPP7_UNUSED,
    MPP8_GPIO,      /* SATA 0 fail LED */
    MPP9_GPIO,      /* SATA 1 fail LED */
    MPP10_UNUSED,
    MPP11_UNUSED,
    MPP12_SATA_LED,     /* SATA 0 presence */
    MPP13_SATA_LED,     /* SATA 1 presence */
    MPP14_SATA_LED,     /* SATA 0 active */
    MPP15_SATA_LED,     /* SATA 1 active */
    MPP16_UNUSED,
    MPP17_GPIO,     /* Reset button */
    MPP18_GPIO,     /* Power button */
    MPP19_GPIO,     /* Power off */
    0,
};

static struct i2c_board_info __initdata mv2120_i2c_rtc = {
    I2C_BOARD_INFO("pcf8563", 0x51),
    .irq    = 0,
};

static struct gpio_led mv2120_led_pins[] = {
    {
        .name           = "mv2120:blue:health",
        .gpio           = 0,
    },
    {
        .name           = "mv2120:red:health",
        .gpio           = 1,
    },
    {
        .name           = "mv2120:led:bright",
        .gpio           = 4,
        .default_trigger    = "default-on",
    },
    {
        .name           = "mv2120:led:dimmed",
        .gpio           = 5,
    },
    {
        .name           = "mv2120:red:sata0",
        .gpio           = 8,
        .active_low     = 1,
    },
    {
        .name           = "mv2120:red:sata1",
        .gpio           = 9,
        .active_low     = 1,
    },

};

static struct gpio_led_platform_data mv2120_led_data = {
    .leds       = mv2120_led_pins,
    .num_leds   = ARRAY_SIZE(mv2120_led_pins),
};

static struct platform_device mv2120_leds = {
    .name   = "leds-gpio",
    .id = -1,
    .dev    = {
        .platform_data  = &mv2120_led_data,
    }
};

static void mv2120_power_off(void)
{
    pr_info("%s: triggering power-off...\n", __func__);
    gpio_set_value(MV2120_GPIO_POWER_OFF, 0);
}

static void __init mv2120_init(void)
{
    /* Setup basic Orion functions. Need to be called early. */
    orion5x_init();

    orion5x_mpp_conf(mv2120_mpp_modes);

    /*
     * Configure peripherals.
     */
    orion5x_ehci0_init();
    orion5x_ehci1_init();
    orion5x_eth_init(&mv2120_eth_data);
    orion5x_i2c_init();
    orion5x_sata_init(&mv2120_sata_data);
    orion5x_uart0_init();
    orion5x_xor_init();

    orion5x_setup_dev_boot_win(MV2120_NOR_BOOT_BASE, MV2120_NOR_BOOT_SIZE);
    platform_device_register(&mv2120_nor_flash);

    platform_device_register(&mv2120_button_device);

    if (gpio_request(MV2120_GPIO_RTC_IRQ, "rtc") == 0) {
        if (gpio_direction_input(MV2120_GPIO_RTC_IRQ) == 0)
            mv2120_i2c_rtc.irq = gpio_to_irq(MV2120_GPIO_RTC_IRQ);
        else
            gpio_free(MV2120_GPIO_RTC_IRQ);
    }
    i2c_register_board_info(0, &mv2120_i2c_rtc, 1);
    platform_device_register(&mv2120_leds);

    /* register mv2120 specific power-off method */
    if (gpio_request(MV2120_GPIO_POWER_OFF, "POWEROFF") != 0 ||
        gpio_direction_output(MV2120_GPIO_POWER_OFF, 1) != 0)
        pr_err("mv2120: failed to setup power-off GPIO\n");
    pm_power_off = mv2120_power_off;
}

/* Warning: HP uses a wrong mach-type (=526) in their bootloader */
MACHINE_START(MV2120, "HP Media Vault mv2120")
    /* Maintainer: Martin Michlmayr <[email protected]> */
    .atag_offset    = 0x100,
    .init_machine   = mv2120_init,
    .map_io     = orion5x_map_io,
    .init_early = orion5x_init_early,
    .init_irq   = orion5x_init_irq,
    .timer      = &orion5x_timer,
    .fixup      = tag_fixup_mem32,
    .restart    = orion5x_restart,
MACHINE_END