arch/arm/mach-kirkwood/netspace_v2-setup.c

   1 /*
   2  * arch/arm/mach-kirkwood/netspace_v2-setup.c
   3  *
   4  * LaCie Network Space v2 board setup
   5  *
   6  * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com>
   7  * Copyright (C) 2009 BenoÃ®t Canet <benoit.canet@gmail.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 #include <linux/kernel.h>
  25 #include <linux/init.h>
  26 #include <linux/platform_device.h>
  27 #include <linux/mtd/physmap.h>
  28 #include <linux/spi/flash.h>
  29 #include <linux/spi/spi.h>
  30 #include <linux/ata_platform.h>
  31 #include <linux/mv643xx_eth.h>
  32 #include <linux/i2c.h>
  33 #include <linux/i2c/at24.h>
  34 #include <linux/input.h>
  35 #include <linux/gpio.h>
  36 #include <linux/gpio_keys.h>
  37 #include <linux/leds.h>
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/time.h>
  41 #include <mach/kirkwood.h>
  42 #include <mach/leds-ns2.h>
  43 #include <plat/time.h>
  44 #include "common.h"
  45 #include "mpp.h"
  46
  47 /*****************************************************************************
  48  * 512KB SPI Flash on Boot Device (MACRONIX MX25L4005)
  49  ****************************************************************************/
  50
  51 static struct mtd_partition netspace_v2_flash_parts[] = {
  52         {
  53                 .name = "u-boot",
  54                 .size = MTDPART_SIZ_FULL,
  55                 .offset = 0,
  56                 .mask_flags = MTD_WRITEABLE, /* force read-only */
  57         },
  58 };
  59
  60 static const struct flash_platform_data netspace_v2_flash = {
  61         .type           = "mx25l4005a",
  62         .name           = "spi_flash",
  63         .parts          = netspace_v2_flash_parts,
  64         .nr_parts       = ARRAY_SIZE(netspace_v2_flash_parts),
  65 };
  66
  67 static struct spi_board_info __initdata netspace_v2_spi_slave_info[] = {
  68         {
  69                 .modalias       = "m25p80",
  70                 .platform_data  = &netspace_v2_flash,
  71                 .irq            = -1,
  72                 .max_speed_hz   = 20000000,
  73                 .bus_num        = 0,
  74                 .chip_select    = 0,
  75         },
  76 };
  77
  78 /*****************************************************************************
  79  * Ethernet
  80  ****************************************************************************/
  81
  82 static struct mv643xx_eth_platform_data netspace_v2_ge00_data = {
  83         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  84 };
  85
  86 /*****************************************************************************
  87  * I2C devices
  88  ****************************************************************************/
  89
  90 static struct at24_platform_data at24c04 = {
  91         .byte_len       = SZ_4K / 8,
  92         .page_size      = 16,
  93 };
  94
  95 /*
  96  * i2c addr | chip         | description
  97  * 0x50     | HT24LC04     | eeprom (512B)
  98  */
  99
 100 static struct i2c_board_info __initdata netspace_v2_i2c_info[] = {
 101         {
 102                 I2C_BOARD_INFO("24c04", 0x50),
 103                 .platform_data  = &at24c04,
 104         }
 105 };
 106
 107 /*****************************************************************************
 108  * SATA
 109  ****************************************************************************/
 110
 111 static struct mv_sata_platform_data netspace_v2_sata_data = {
 112         .n_ports        = 2,
 113 };
 114
 115 #define NETSPACE_V2_GPIO_SATA0_POWER    16
 116 #define NETSPACE_V2_GPIO_SATA1_POWER    17
 117
 118 static void __init netspace_v2_sata_power_init(void)
 119 {
 120         int err;
 121
 122         err = gpio_request(NETSPACE_V2_GPIO_SATA0_POWER, "SATA0 power");
 123         if (err == 0) {
 124                 err = gpio_direction_output(NETSPACE_V2_GPIO_SATA0_POWER, 1);
 125                 if (err)
 126                         gpio_free(NETSPACE_V2_GPIO_SATA0_POWER);
 127         }
 128         if (err)
 129                 pr_err("netspace_v2: failed to setup SATA0 power\n");
 130
 131         if (machine_is_netspace_max_v2()) {
 132                 err = gpio_request(NETSPACE_V2_GPIO_SATA1_POWER, "SATA1 power");
 133                 if (err == 0) {
 134                         err = gpio_direction_output(
 135                                         NETSPACE_V2_GPIO_SATA1_POWER, 1);
 136                         if (err)
 137                                 gpio_free(NETSPACE_V2_GPIO_SATA1_POWER);
 138                 }
 139                 if (err)
 140                         pr_err("netspace_v2: failed to setup SATA1 power\n");
 141         }
 142 }
 143
 144 /*****************************************************************************
 145  * GPIO keys
 146  ****************************************************************************/
 147
 148 #define NETSPACE_V2_PUSH_BUTTON         32
 149
 150 static struct gpio_keys_button netspace_v2_buttons[] = {
 151         [0] = {
 152                 .code           = KEY_POWER,
 153                 .gpio           = NETSPACE_V2_PUSH_BUTTON,
 154                 .desc           = "Power push button",
 155                 .active_low     = 0,
 156         },
 157 };
 158
 159 static struct gpio_keys_platform_data netspace_v2_button_data = {
 160         .buttons        = netspace_v2_buttons,
 161         .nbuttons       = ARRAY_SIZE(netspace_v2_buttons),
 162 };
 163
 164 static struct platform_device netspace_v2_gpio_buttons = {
 165         .name           = "gpio-keys",
 166         .id             = -1,
 167         .dev            = {
 168                 .platform_data  = &netspace_v2_button_data,
 169         },
 170 };
 171
 172 /*****************************************************************************
 173  * GPIO LEDs
 174  ****************************************************************************/
 175
 176 #define NETSPACE_V2_GPIO_RED_LED        12
 177
 178 static struct gpio_led netspace_v2_gpio_led_pins[] = {
 179         {
 180                 .name   = "ns_v2:red:fail",
 181                 .gpio   = NETSPACE_V2_GPIO_RED_LED,
 182         },
 183 };
 184
 185 static struct gpio_led_platform_data netspace_v2_gpio_leds_data = {
 186         .num_leds       = ARRAY_SIZE(netspace_v2_gpio_led_pins),
 187         .leds           = netspace_v2_gpio_led_pins,
 188 };
 189
 190 static struct platform_device netspace_v2_gpio_leds = {
 191         .name           = "leds-gpio",
 192         .id             = -1,
 193         .dev            = {
 194                 .platform_data  = &netspace_v2_gpio_leds_data,
 195         },
 196 };
 197
 198 /*****************************************************************************
 199  * Dual-GPIO CPLD LEDs
 200  ****************************************************************************/
 201
 202 #define NETSPACE_V2_GPIO_BLUE_LED_SLOW  29
 203 #define NETSPACE_V2_GPIO_BLUE_LED_CMD   30
 204
 205 static struct ns2_led netspace_v2_led_pins[] = {
 206         {
 207                 .name   = "ns_v2:blue:sata",
 208                 .cmd    = NETSPACE_V2_GPIO_BLUE_LED_CMD,
 209                 .slow   = NETSPACE_V2_GPIO_BLUE_LED_SLOW,
 210         },
 211 };
 212
 213 static struct ns2_led_platform_data netspace_v2_leds_data = {
 214         .num_leds       = ARRAY_SIZE(netspace_v2_led_pins),
 215         .leds           = netspace_v2_led_pins,
 216 };
 217
 218 static struct platform_device netspace_v2_leds = {
 219         .name           = "leds-ns2",
 220         .id             = -1,
 221         .dev            = {
 222                 .platform_data  = &netspace_v2_leds_data,
 223         },
 224 };
 225
 226 /*****************************************************************************
 227  * Timer
 228  ****************************************************************************/
 229
 230 static void netspace_v2_timer_init(void)
 231 {
 232         kirkwood_tclk = 166666667;
 233         orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
 234 }
 235
 236 struct sys_timer netspace_v2_timer = {
 237         .init = netspace_v2_timer_init,
 238 };
 239
 240 /*****************************************************************************
 241  * General Setup
 242  ****************************************************************************/
 243
 244 static unsigned int netspace_v2_mpp_config[] __initdata = {
 245         MPP0_SPI_SCn,
 246         MPP1_SPI_MOSI,
 247         MPP2_SPI_SCK,
 248         MPP3_SPI_MISO,
 249         MPP4_NF_IO6,
 250         MPP5_NF_IO7,
 251         MPP6_SYSRST_OUTn,
 252         MPP7_GPO,               /* Fan speed (bit 1) */
 253         MPP8_TW0_SDA,
 254         MPP9_TW0_SCK,
 255         MPP10_UART0_TXD,
 256         MPP11_UART0_RXD,
 257         MPP12_GPO,              /* Red led */
 258         MPP14_GPIO,             /* USB fuse */
 259         MPP16_GPIO,             /* SATA 0 power */
 260         MPP17_GPIO,             /* SATA 1 power */
 261         MPP18_NF_IO0,
 262         MPP19_NF_IO1,
 263         MPP20_SATA1_ACTn,
 264         MPP21_SATA0_ACTn,
 265         MPP22_GPIO,             /* Fan speed (bit 0) */
 266         MPP23_GPIO,             /* Fan power */
 267         MPP24_GPIO,             /* USB mode select */
 268         MPP25_GPIO,             /* Fan rotation fail */
 269         MPP26_GPIO,             /* USB device vbus */
 270         MPP28_GPIO,             /* USB enable host vbus */
 271         MPP29_GPIO,             /* Blue led (slow register) */
 272         MPP30_GPIO,             /* Blue led (command register) */
 273         MPP31_GPIO,             /* Board power off */
 274         MPP32_GPIO,             /* Power button (0 = Released, 1 = Pushed) */
 275         MPP33_GPO,              /* Fan speed (bit 2) */
 276         0
 277 };
 278
 279 #define NETSPACE_V2_GPIO_POWER_OFF      31
 280
 281 static void netspace_v2_power_off(void)
 282 {
 283         gpio_set_value(NETSPACE_V2_GPIO_POWER_OFF, 1);
 284 }
 285
 286 static void __init netspace_v2_init(void)
 287 {
 288         /*
 289          * Basic setup. Needs to be called early.
 290          */
 291         kirkwood_init();
 292         kirkwood_mpp_conf(netspace_v2_mpp_config);
 293
 294         netspace_v2_sata_power_init();
 295
 296         kirkwood_ehci_init();
 297         kirkwood_ge00_init(&netspace_v2_ge00_data);
 298         kirkwood_sata_init(&netspace_v2_sata_data);
 299         kirkwood_uart0_init();
 300         spi_register_board_info(netspace_v2_spi_slave_info,
 301                                 ARRAY_SIZE(netspace_v2_spi_slave_info));
 302         kirkwood_spi_init();
 303         kirkwood_i2c_init();
 304         i2c_register_board_info(0, netspace_v2_i2c_info,
 305                                 ARRAY_SIZE(netspace_v2_i2c_info));
 306
 307         platform_device_register(&netspace_v2_leds);
 308         platform_device_register(&netspace_v2_gpio_leds);
 309         platform_device_register(&netspace_v2_gpio_buttons);
 310
 311         if (gpio_request(NETSPACE_V2_GPIO_POWER_OFF, "power-off") == 0 &&
 312             gpio_direction_output(NETSPACE_V2_GPIO_POWER_OFF, 0) == 0)
 313                 pm_power_off = netspace_v2_power_off;
 314         else
 315                 pr_err("netspace_v2: failed to configure power-off GPIO\n");
 316 }
 317
 318 #ifdef CONFIG_MACH_NETSPACE_V2
 319 MACHINE_START(NETSPACE_V2, "LaCie Network Space v2")
 320         .phys_io        = KIRKWOOD_REGS_PHYS_BASE,
 321         .io_pg_offst    = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
 322         .boot_params    = 0x00000100,
 323         .init_machine   = netspace_v2_init,
 324         .map_io         = kirkwood_map_io,
 325         .init_irq       = kirkwood_init_irq,
 326         .timer          = &netspace_v2_timer,
 327 MACHINE_END
 328 #endif
 329
 330 #ifdef CONFIG_MACH_INETSPACE_V2
 331 MACHINE_START(INETSPACE_V2, "LaCie Internet Space v2")
 332         .phys_io        = KIRKWOOD_REGS_PHYS_BASE,
 333         .io_pg_offst    = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
 334         .boot_params    = 0x00000100,
 335         .init_machine   = netspace_v2_init,
 336         .map_io         = kirkwood_map_io,
 337         .init_irq       = kirkwood_init_irq,
 338         .timer          = &netspace_v2_timer,
 339 MACHINE_END
 340 #endif
 341
 342 #ifdef CONFIG_MACH_NETSPACE_MAX_V2
 343 MACHINE_START(NETSPACE_MAX_V2, "LaCie Network Space Max v2")
 344         .phys_io        = KIRKWOOD_REGS_PHYS_BASE,
 345         .io_pg_offst    = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
 346         .boot_params    = 0x00000100,
 347         .init_machine   = netspace_v2_init,
 348         .map_io         = kirkwood_map_io,
 349         .init_irq       = kirkwood_init_irq,
 350         .timer          = &netspace_v2_timer,
 351 MACHINE_END
 352 #endif