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
  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 <asm/arch/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  ****************************************************************************/
  41 static struct mv643xx_eth_platform_data mv2120_eth_data = {
  42         .phy_addr       = 8,
  43 };
  44
  45 static struct mv_sata_platform_data mv2120_sata_data = {
  46         .n_ports        = 2,
  47 };
  48
  49 static struct mtd_partition mv2120_partitions[] = {
  50         {
  51                 .name   = "firmware",
  52                 .size   = 0x00080000,
  53                 .offset = 0,
  54         },
  55 };
  56
  57 static struct physmap_flash_data mv2120_nor_flash_data = {
  58         .width          = 1,
  59         .parts          = mv2120_partitions,
  60         .nr_parts       = ARRAY_SIZE(mv2120_partitions)
  61 };
  62
  63 static 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
  69 static 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
  79 static 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
  93 static struct gpio_keys_platform_data mv2120_button_data = {
  94         .buttons        = mv2120_buttons,
  95         .nbuttons       = ARRAY_SIZE(mv2120_buttons),
  96 };
  97
  98 static 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  ****************************************************************************/
 111 static 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
 135 static struct i2c_board_info __initdata mv2120_i2c_rtc = {
 136         I2C_BOARD_INFO("pcf8563", 0x51),
 137         .irq    = 0,
 138 };
 139
 140 static 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
 171 static struct gpio_led_platform_data mv2120_led_data = {
 172         .leds           = mv2120_led_pins,
 173         .num_leds       = ARRAY_SIZE(mv2120_led_pins),
 174 };
 175
 176 static struct platform_device mv2120_leds = {
 177         .name   = "leds-gpio",
 178         .id     = -1,
 179         .dev    = {
 180                 .platform_data  = &mv2120_led_data,
 181         }
 182 };
 183
 184 static 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
 190 static 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
 207         orion5x_setup_dev_boot_win(MV2120_NOR_BOOT_BASE, MV2120_NOR_BOOT_SIZE);
 208         platform_device_register(&mv2120_nor_flash);
 209
 210         platform_device_register(&mv2120_button_device);
 211
 212         if (gpio_request(MV2120_GPIO_RTC_IRQ, "rtc") == 0) {
 213                 if (gpio_direction_input(MV2120_GPIO_RTC_IRQ) == 0)
 214                         mv2120_i2c_rtc.irq = gpio_to_irq(MV2120_GPIO_RTC_IRQ);
 215                 else
 216                         gpio_free(MV2120_GPIO_RTC_IRQ);
 217         }
 218         i2c_register_board_info(0, &mv2120_i2c_rtc, 1);
 219         platform_device_register(&mv2120_leds);
 220
 221         /* register mv2120 specific power-off method */
 222         if (gpio_request(MV2120_GPIO_POWER_OFF, "POWEROFF") != 0 ||
 223             gpio_direction_output(MV2120_GPIO_POWER_OFF, 1) != 0)
 224                 pr_err("mv2120: failed to setup power-off GPIO\n");
 225         pm_power_off = mv2120_power_off;
 226 }
 227
 228 /* Warning: HP uses a wrong mach-type (=526) in their bootloader */
 229 MACHINE_START(MV2120, "HP Media Vault mv2120")
 230         /* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
 231         .phys_io        = ORION5X_REGS_PHYS_BASE,
 232         .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
 233         .boot_params    = 0x00000100,
 234         .init_machine   = mv2120_init,
 235         .map_io         = orion5x_map_io,
 236         .init_irq       = orion5x_init_irq,
 237         .timer          = &orion5x_timer,
 238         .fixup          = tag_fixup_mem32
 239 MACHINE_END