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mv2120-setup.c

/*
 * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
 * Copyright (C) 2008 Martin Michlmayr <tbm@cyrius.com>
 *
 * 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/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/gpio.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   = 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 struct orion5x_mpp_mode mv2120_mpp_modes[] __initdata = {
      {  0, MPP_GPIO },       /* Sys status LED */
      {  1, MPP_GPIO },       /* Sys error LED */
      {  2, MPP_GPIO },       /* OverTemp interrupt */
      {  3, MPP_GPIO },       /* RTC interrupt */
      {  4, MPP_GPIO },       /* V_LED 5V */
      {  5, MPP_GPIO },       /* V_LED 3.3V */
      {  6, MPP_UNUSED },
      {  7, MPP_UNUSED },
      {  8, MPP_GPIO },       /* SATA 0 fail LED */
      {  9, MPP_GPIO },       /* SATA 1 fail LED */
      { 10, MPP_UNUSED },
      { 11, MPP_UNUSED },
      { 12, MPP_SATA_LED },         /* SATA 0 presence */
      { 13, MPP_SATA_LED },         /* SATA 1 presence */
      { 14, MPP_SATA_LED },         /* SATA 0 active */
      { 15, MPP_SATA_LED },         /* SATA 1 active */
      { 16, MPP_UNUSED },
      { 17, MPP_GPIO },       /* Reset button */
      { 18, MPP_GPIO },       /* Power button */
      { 19, MPP_GPIO },       /* Power off */
      { -1 },
};

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 <tbm@cyrius.com> */
      .phys_io    = ORION5X_REGS_PHYS_BASE,
      .io_pg_offst      = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
      .boot_params      = 0x00000100,
      .init_machine     = mv2120_init,
      .map_io           = orion5x_map_io,
      .init_irq   = orion5x_init_irq,
      .timer            = &orion5x_timer,
      .fixup            = tag_fixup_mem32
MACHINE_END

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