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
  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/gpio.h>
  24#include <asm/mach/arch.h>
  25#include <mach/orion5x.h>
  26#include "common.h"
  27#include "mpp.h"
  28
  29#define MV2120_NOR_BOOT_BASE    0xf4000000
  30#define MV2120_NOR_BOOT_SIZE    SZ_512K
  31
  32#define MV2120_GPIO_RTC_IRQ     3
  33#define MV2120_GPIO_KEY_RESET   17
  34#define MV2120_GPIO_KEY_POWER   18
  35#define MV2120_GPIO_POWER_OFF   19
  36
  37
  38/*****************************************************************************
  39 * Ethernet
  40 ****************************************************************************/
  41static struct mv643xx_eth_platform_data mv2120_eth_data = {
  42        .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  43};
  44
  45static struct mv_sata_platform_data mv2120_sata_data = {
  46        .n_ports        = 2,
  47};
  48
  49static struct mtd_partition mv2120_partitions[] = {
  50        {
  51                .name   = "firmware",
  52                .size   = 0x00080000,
  53                .offset = 0,
  54        },
  55};
  56
  57static struct physmap_flash_data mv2120_nor_flash_data = {
  58        .width          = 1,
  59        .parts          = mv2120_partitions,
  60        .nr_parts       = ARRAY_SIZE(mv2120_partitions)
  61};
  62
  63static struct resource mv2120_nor_flash_resource = {
  64        .flags          = IORESOURCE_MEM,
  65        .start          = MV2120_NOR_BOOT_BASE,
  66        .end            = MV2120_NOR_BOOT_BASE + MV2120_NOR_BOOT_SIZE - 1,
  67};
  68
  69static struct platform_device mv2120_nor_flash = {
  70        .name           = "physmap-flash",
  71        .id             = 0,
  72        .dev            = {
  73                .platform_data  = &mv2120_nor_flash_data,
  74        },
  75        .resource       = &mv2120_nor_flash_resource,
  76        .num_resources  = 1,
  77};
  78
  79static struct gpio_keys_button mv2120_buttons[] = {
  80        {
  81                .code           = KEY_RESTART,
  82                .gpio           = MV2120_GPIO_KEY_RESET,
  83                .desc           = "reset",
  84                .active_low     = 1,
  85        }, {
  86                .code           = KEY_POWER,
  87                .gpio           = MV2120_GPIO_KEY_POWER,
  88                .desc           = "power",
  89                .active_low     = 1,
  90        },
  91};
  92
  93static struct gpio_keys_platform_data mv2120_button_data = {
  94        .buttons        = mv2120_buttons,
  95        .nbuttons       = ARRAY_SIZE(mv2120_buttons),
  96};
  97
  98static struct platform_device mv2120_button_device = {
  99        .name           = "gpio-keys",
 100        .id             = -1,
 101        .num_resources  = 0,
 102        .dev            = {
 103                .platform_data  = &mv2120_button_data,
 104        },
 105};
 106
 107
 108/****************************************************************************
 109 * General Setup
 110 ****************************************************************************/
 111static struct orion5x_mpp_mode mv2120_mpp_modes[] __initdata = {
 112        {  0, MPP_GPIO },               /* Sys status LED */
 113        {  1, MPP_GPIO },               /* Sys error LED */
 114        {  2, MPP_GPIO },               /* OverTemp interrupt */
 115        {  3, MPP_GPIO },               /* RTC interrupt */
 116        {  4, MPP_GPIO },               /* V_LED 5V */
 117        {  5, MPP_GPIO },               /* V_LED 3.3V */
 118        {  6, MPP_UNUSED },
 119        {  7, MPP_UNUSED },
 120        {  8, MPP_GPIO },               /* SATA 0 fail LED */
 121        {  9, MPP_GPIO },               /* SATA 1 fail LED */
 122        { 10, MPP_UNUSED },
 123        { 11, MPP_UNUSED },
 124        { 12, MPP_SATA_LED },           /* SATA 0 presence */
 125        { 13, MPP_SATA_LED },           /* SATA 1 presence */
 126        { 14, MPP_SATA_LED },           /* SATA 0 active */
 127        { 15, MPP_SATA_LED },           /* SATA 1 active */
 128        { 16, MPP_UNUSED },
 129        { 17, MPP_GPIO },               /* Reset button */
 130        { 18, MPP_GPIO },               /* Power button */
 131        { 19, MPP_GPIO },               /* Power off */
 132        { -1 },
 133};
 134
 135static struct i2c_board_info __initdata mv2120_i2c_rtc = {
 136        I2C_BOARD_INFO("pcf8563", 0x51),
 137        .irq    = 0,
 138};
 139
 140static struct gpio_led mv2120_led_pins[] = {
 141        {
 142                .name                   = "mv2120:blue:health",
 143                .gpio                   = 0,
 144        },
 145        {
 146                .name                   = "mv2120:red:health",
 147                .gpio                   = 1,
 148        },
 149        {
 150                .name                   = "mv2120:led:bright",
 151                .gpio                   = 4,
 152                .default_trigger        = "default-on",
 153        },
 154        {
 155                .name                   = "mv2120:led:dimmed",
 156                .gpio                   = 5,
 157        },
 158        {
 159                .name                   = "mv2120:red:sata0",
 160                .gpio                   = 8,
 161                .active_low             = 1,
 162        },
 163        {
 164                .name                   = "mv2120:red:sata1",
 165                .gpio                   = 9,
 166                .active_low             = 1,
 167        },
 168
 169};
 170
 171static struct gpio_led_platform_data mv2120_led_data = {
 172        .leds           = mv2120_led_pins,
 173        .num_leds       = ARRAY_SIZE(mv2120_led_pins),
 174};
 175
 176static struct platform_device mv2120_leds = {
 177        .name   = "leds-gpio",
 178        .id     = -1,
 179        .dev    = {
 180                .platform_data  = &mv2120_led_data,
 181        }
 182};
 183
 184static void mv2120_power_off(void)
 185{
 186        pr_info("%s: triggering power-off...\n", __func__);
 187        gpio_set_value(MV2120_GPIO_POWER_OFF, 0);
 188}
 189
 190static void __init mv2120_init(void)
 191{
 192        /* Setup basic Orion functions. Need to be called early. */
 193        orion5x_init();
 194
 195        orion5x_mpp_conf(mv2120_mpp_modes);
 196
 197        /*
 198         * Configure peripherals.
 199         */
 200        orion5x_ehci0_init();
 201        orion5x_ehci1_init();
 202        orion5x_eth_init(&mv2120_eth_data);
 203        orion5x_i2c_init();
 204        orion5x_sata_init(&mv2120_sata_data);
 205        orion5x_uart0_init();
 206        orion5x_xor_init();
 207
 208        orion5x_setup_dev_boot_win(MV2120_NOR_BOOT_BASE, 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        .phys_io        = ORION5X_REGS_PHYS_BASE,
 233        .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
 234        .boot_params    = 0x00000100,
 235        .init_machine   = mv2120_init,
 236        .map_io         = orion5x_map_io,
 237        .init_irq       = orion5x_init_irq,
 238        .timer          = &orion5x_timer,
 239        .fixup          = tag_fixup_mem32
 240MACHINE_END
 241