arch/arm/mach-orion5x/mv2120-setup.c

   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  ****************************************************************************/
  40 static struct mv643xx_eth_platform_data mv2120_eth_data = {
  41         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  42 };
  43
  44 static struct mv_sata_platform_data mv2120_sata_data = {
  45         .n_ports        = 2,
  46 };
  47
  48 static struct mtd_partition mv2120_partitions[] = {
  49         {
  50                 .name   = "firmware",
  51                 .size   = 0x00080000,
  52                 .offset = 0,
  53         },
  54 };
  55
  56 static struct physmap_flash_data mv2120_nor_flash_data = {
  57         .width          = 1,
  58         .parts          = mv2120_partitions,
  59         .nr_parts       = ARRAY_SIZE(mv2120_partitions)
  60 };
  61
  62 static 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
  68 static 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
  78 static 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
  92 static struct gpio_keys_platform_data mv2120_button_data = {
  93         .buttons        = mv2120_buttons,
  94         .nbuttons       = ARRAY_SIZE(mv2120_buttons),
  95 };
  96
  97 static 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  ****************************************************************************/
 110 static 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
 134 static struct i2c_board_info __initdata mv2120_i2c_rtc = {
 135         I2C_BOARD_INFO("pcf8563", 0x51),
 136         .irq    = 0,
 137 };
 138
 139 static 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
 170 static struct gpio_led_platform_data mv2120_led_data = {
 171         .leds           = mv2120_led_pins,
 172         .num_leds       = ARRAY_SIZE(mv2120_led_pins),
 173 };
 174
 175 static struct platform_device mv2120_leds = {
 176         .name   = "leds-gpio",
 177         .id     = -1,
 178         .dev    = {
 179                 .platform_data  = &mv2120_led_data,
 180         }
 181 };
 182
 183 static 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
 189 static 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 */
 230 MACHINE_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,
 240 MACHINE_END