linux/arch/arm/mach-orion5x/mv2120-setup.c
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   1/*
   2 * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
   3 * Copyright (C) 2008 Martin Michlmayr <tbm@cyrius.com>
   4 *
   5 * This program is free software; you can redistribute it and/or modify
   6 * it under the terms of the GNU Lesser General Public License as
   7 * published by the Free Software Foundation; either version 2 of the
   8 * License, or (at your option) any later version.
   9 */
  10#include <linux/gpio.h>
  11#include <linux/kernel.h>
  12#include <linux/init.h>
  13#include <linux/platform_device.h>
  14#include <linux/irq.h>
  15#include <linux/mtd/physmap.h>
  16#include <linux/mv643xx_eth.h>
  17#include <linux/leds.h>
  18#include <linux/gpio_keys.h>
  19#include <linux/input.h>
  20#include <linux/i2c.h>
  21#include <linux/ata_platform.h>
  22#include <asm/mach-types.h>
  23#include <asm/mach/arch.h>
  24#include <mach/orion5x.h>
  25#include "common.h"
  26#include "mpp.h"
  27
  28#define MV2120_NOR_BOOT_BASE    0xf4000000
  29#define MV2120_NOR_BOOT_SIZE    SZ_512K
  30
  31#define MV2120_GPIO_RTC_IRQ     3
  32#define MV2120_GPIO_KEY_RESET   17
  33#define MV2120_GPIO_KEY_POWER   18
  34#define MV2120_GPIO_POWER_OFF   19
  35
  36
  37/*****************************************************************************
  38 * Ethernet
  39 ****************************************************************************/
  40static struct mv643xx_eth_platform_data mv2120_eth_data = {
  41        .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  42};
  43
  44static struct mv_sata_platform_data mv2120_sata_data = {
  45        .n_ports        = 2,
  46};
  47
  48static struct mtd_partition mv2120_partitions[] = {
  49        {
  50                .name   = "firmware",
  51                .size   = 0x00080000,
  52                .offset = 0,
  53        },
  54};
  55
  56static struct physmap_flash_data mv2120_nor_flash_data = {
  57        .width          = 1,
  58        .parts          = mv2120_partitions,
  59        .nr_parts       = ARRAY_SIZE(mv2120_partitions)
  60};
  61
  62static struct resource mv2120_nor_flash_resource = {
  63        .flags          = IORESOURCE_MEM,
  64        .start          = MV2120_NOR_BOOT_BASE,
  65        .end            = MV2120_NOR_BOOT_BASE + MV2120_NOR_BOOT_SIZE - 1,
  66};
  67
  68static struct platform_device mv2120_nor_flash = {
  69        .name           = "physmap-flash",
  70        .id             = 0,
  71        .dev            = {
  72                .platform_data  = &mv2120_nor_flash_data,
  73        },
  74        .resource       = &mv2120_nor_flash_resource,
  75        .num_resources  = 1,
  76};
  77
  78static struct gpio_keys_button mv2120_buttons[] = {
  79        {
  80                .code           = KEY_RESTART,
  81                .gpio           = MV2120_GPIO_KEY_RESET,
  82                .desc           = "reset",
  83                .active_low     = 1,
  84        }, {
  85                .code           = KEY_POWER,
  86                .gpio           = MV2120_GPIO_KEY_POWER,
  87                .desc           = "power",
  88                .active_low     = 1,
  89        },
  90};
  91
  92static struct gpio_keys_platform_data mv2120_button_data = {
  93        .buttons        = mv2120_buttons,
  94        .nbuttons       = ARRAY_SIZE(mv2120_buttons),
  95};
  96
  97static struct platform_device mv2120_button_device = {
  98        .name           = "gpio-keys",
  99        .id             = -1,
 100        .num_resources  = 0,
 101        .dev            = {
 102                .platform_data  = &mv2120_button_data,
 103        },
 104};
 105
 106
 107/****************************************************************************
 108 * General Setup
 109 ****************************************************************************/
 110static unsigned int mv2120_mpp_modes[] __initdata = {
 111        MPP0_GPIO,              /* Sys status LED */
 112        MPP1_GPIO,              /* Sys error LED */
 113        MPP2_GPIO,              /* OverTemp interrupt */
 114        MPP3_GPIO,              /* RTC interrupt */
 115        MPP4_GPIO,              /* V_LED 5V */
 116        MPP5_GPIO,              /* V_LED 3.3V */
 117        MPP6_UNUSED,
 118        MPP7_UNUSED,
 119        MPP8_GPIO,              /* SATA 0 fail LED */
 120        MPP9_GPIO,              /* SATA 1 fail LED */
 121        MPP10_UNUSED,
 122        MPP11_UNUSED,
 123        MPP12_SATA_LED,         /* SATA 0 presence */
 124        MPP13_SATA_LED,         /* SATA 1 presence */
 125        MPP14_SATA_LED,         /* SATA 0 active */
 126        MPP15_SATA_LED,         /* SATA 1 active */
 127        MPP16_UNUSED,
 128        MPP17_GPIO,             /* Reset button */
 129        MPP18_GPIO,             /* Power button */
 130        MPP19_GPIO,             /* Power off */
 131        0,
 132};
 133
 134static struct i2c_board_info __initdata mv2120_i2c_rtc = {
 135        I2C_BOARD_INFO("pcf8563", 0x51),
 136        .irq    = 0,
 137};
 138
 139static struct gpio_led mv2120_led_pins[] = {
 140        {
 141                .name                   = "mv2120:blue:health",
 142                .gpio                   = 0,
 143        },
 144        {
 145                .name                   = "mv2120:red:health",
 146                .gpio                   = 1,
 147        },
 148        {
 149                .name                   = "mv2120:led:bright",
 150                .gpio                   = 4,
 151                .default_trigger        = "default-on",
 152        },
 153        {
 154                .name                   = "mv2120:led:dimmed",
 155                .gpio                   = 5,
 156        },
 157        {
 158                .name                   = "mv2120:red:sata0",
 159                .gpio                   = 8,
 160                .active_low             = 1,
 161        },
 162        {
 163                .name                   = "mv2120:red:sata1",
 164                .gpio                   = 9,
 165                .active_low             = 1,
 166        },
 167
 168};
 169
 170static struct gpio_led_platform_data mv2120_led_data = {
 171        .leds           = mv2120_led_pins,
 172        .num_leds       = ARRAY_SIZE(mv2120_led_pins),
 173};
 174
 175static struct platform_device mv2120_leds = {
 176        .name   = "leds-gpio",
 177        .id     = -1,
 178        .dev    = {
 179                .platform_data  = &mv2120_led_data,
 180        }
 181};
 182
 183static void mv2120_power_off(void)
 184{
 185        pr_info("%s: triggering power-off...\n", __func__);
 186        gpio_set_value(MV2120_GPIO_POWER_OFF, 0);
 187}
 188
 189static void __init mv2120_init(void)
 190{
 191        /* Setup basic Orion functions. Need to be called early. */
 192        orion5x_init();
 193
 194        orion5x_mpp_conf(mv2120_mpp_modes);
 195
 196        /*
 197         * Configure peripherals.
 198         */
 199        orion5x_ehci0_init();
 200        orion5x_ehci1_init();
 201        orion5x_eth_init(&mv2120_eth_data);
 202        orion5x_i2c_init();
 203        orion5x_sata_init(&mv2120_sata_data);
 204        orion5x_uart0_init();
 205        orion5x_xor_init();
 206
 207        mvebu_mbus_add_window("devbus-boot", MV2120_NOR_BOOT_BASE,
 208                              MV2120_NOR_BOOT_SIZE);
 209        platform_device_register(&mv2120_nor_flash);
 210
 211        platform_device_register(&mv2120_button_device);
 212
 213        if (gpio_request(MV2120_GPIO_RTC_IRQ, "rtc") == 0) {
 214                if (gpio_direction_input(MV2120_GPIO_RTC_IRQ) == 0)
 215                        mv2120_i2c_rtc.irq = gpio_to_irq(MV2120_GPIO_RTC_IRQ);
 216                else
 217                        gpio_free(MV2120_GPIO_RTC_IRQ);
 218        }
 219        i2c_register_board_info(0, &mv2120_i2c_rtc, 1);
 220        platform_device_register(&mv2120_leds);
 221
 222        /* register mv2120 specific power-off method */
 223        if (gpio_request(MV2120_GPIO_POWER_OFF, "POWEROFF") != 0 ||
 224            gpio_direction_output(MV2120_GPIO_POWER_OFF, 1) != 0)
 225                pr_err("mv2120: failed to setup power-off GPIO\n");
 226        pm_power_off = mv2120_power_off;
 227}
 228
 229/* Warning: HP uses a wrong mach-type (=526) in their bootloader */
 230MACHINE_START(MV2120, "HP Media Vault mv2120")
 231        /* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
 232        .atag_offset    = 0x100,
 233        .init_machine   = mv2120_init,
 234        .map_io         = orion5x_map_io,
 235        .init_early     = orion5x_init_early,
 236        .init_irq       = orion5x_init_irq,
 237        .init_time      = orion5x_timer_init,
 238        .fixup          = tag_fixup_mem32,
 239        .restart        = orion5x_restart,
 240MACHINE_END
 241