arch/arm/mach-orion5x/d2net-setup.c

   1 /*
   2  * arch/arm/mach-orion5x/d2net-setup.c
   3  *
   4  * LaCie d2Network and Big Disk Network NAS setup
   5  *
   6  * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com>
   7  *
   8  * This file is licensed under the terms of the GNU General Public
   9  * License version 2. This program is licensed "as is" without any
  10  * warranty of any kind, whether express or implied.
  11  */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/pci.h>
  17 #include <linux/irq.h>
  18 #include <linux/mtd/physmap.h>
  19 #include <linux/mv643xx_eth.h>
  20 #include <linux/leds.h>
  21 #include <linux/gpio_keys.h>
  22 #include <linux/input.h>
  23 #include <linux/i2c.h>
  24 #include <linux/ata_platform.h>
  25 #include <linux/gpio.h>
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/pci.h>
  29 #include <mach/orion5x.h>
  30 #include "common.h"
  31 #include "mpp.h"
  32
  33 /*****************************************************************************
  34  * LaCie d2 Network Info
  35  ****************************************************************************/
  36
  37 /*
  38  * 512KB NOR flash Device bus boot chip select
  39  */
  40
  41 #define D2NET_NOR_BOOT_BASE             0xfff80000
  42 #define D2NET_NOR_BOOT_SIZE             SZ_512K
  43
  44 /*****************************************************************************
  45  * 512KB NOR Flash on Boot Device
  46  ****************************************************************************/
  47
  48 /*
  49  * TODO: Check write support on flash MX29LV400CBTC-70G
  50  */
  51
  52 static struct mtd_partition d2net_partitions[] = {
  53         {
  54                 .name           = "Full512kb",
  55                 .size           = MTDPART_SIZ_FULL,
  56                 .offset         = 0,
  57                 .mask_flags     = MTD_WRITEABLE,
  58         },
  59 };
  60
  61 static struct physmap_flash_data d2net_nor_flash_data = {
  62         .width          = 1,
  63         .parts          = d2net_partitions,
  64         .nr_parts       = ARRAY_SIZE(d2net_partitions),
  65 };
  66
  67 static struct resource d2net_nor_flash_resource = {
  68         .flags                  = IORESOURCE_MEM,
  69         .start                  = D2NET_NOR_BOOT_BASE,
  70         .end                    = D2NET_NOR_BOOT_BASE
  71                                         + D2NET_NOR_BOOT_SIZE - 1,
  72 };
  73
  74 static struct platform_device d2net_nor_flash = {
  75         .name                   = "physmap-flash",
  76         .id                     = 0,
  77         .dev            = {
  78                 .platform_data  = &d2net_nor_flash_data,
  79         },
  80         .num_resources          = 1,
  81         .resource               = &d2net_nor_flash_resource,
  82 };
  83
  84 /*****************************************************************************
  85  * Ethernet
  86  ****************************************************************************/
  87
  88 static struct mv643xx_eth_platform_data d2net_eth_data = {
  89         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  90 };
  91
  92 /*****************************************************************************
  93  * I2C devices
  94  ****************************************************************************/
  95
  96 /*
  97  * i2c addr | chip         | description
  98  * 0x32     | Ricoh 5C372b | RTC
  99  * 0x3e     | GMT G762     | PWM fan controller
 100  * 0x50     | HT24LC08     | eeprom (1kB)
 101  *
 102  * TODO: Add G762 support to the g760a driver.
 103  */
 104 static struct i2c_board_info __initdata d2net_i2c_devices[] = {
 105         {
 106                 I2C_BOARD_INFO("rs5c372b", 0x32),
 107         }, {
 108                 I2C_BOARD_INFO("24c08", 0x50),
 109         },
 110 };
 111
 112 /*****************************************************************************
 113  * SATA
 114  ****************************************************************************/
 115
 116 static struct mv_sata_platform_data d2net_sata_data = {
 117         .n_ports        = 2,
 118 };
 119
 120 #define D2NET_GPIO_SATA0_POWER  3
 121 #define D2NET_GPIO_SATA1_POWER  12
 122
 123 static void __init d2net_sata_power_init(void)
 124 {
 125         int err;
 126
 127         err = gpio_request(D2NET_GPIO_SATA0_POWER, "SATA0 power");
 128         if (err == 0) {
 129                 err = gpio_direction_output(D2NET_GPIO_SATA0_POWER, 1);
 130                 if (err)
 131                         gpio_free(D2NET_GPIO_SATA0_POWER);
 132         }
 133         if (err)
 134                 pr_err("d2net: failed to configure SATA0 power GPIO\n");
 135
 136         err = gpio_request(D2NET_GPIO_SATA1_POWER, "SATA1 power");
 137         if (err == 0) {
 138                 err = gpio_direction_output(D2NET_GPIO_SATA1_POWER, 1);
 139                 if (err)
 140                         gpio_free(D2NET_GPIO_SATA1_POWER);
 141         }
 142         if (err)
 143                 pr_err("d2net: failed to configure SATA1 power GPIO\n");
 144 }
 145
 146 /*****************************************************************************
 147  * GPIO LED's
 148  ****************************************************************************/
 149
 150 /*
 151  * The blue front LED is wired to the CPLD and can blink in relation with the
 152  * SATA activity.
 153  *
 154  * The following array detail the different LED registers and the combination
 155  * of their possible values:
 156  *
 157  * led_off   | blink_ctrl | SATA active | LED state
 158  *           |            |             |
 159  *    1      |     x      |      x      |  off
 160  *    0      |     0      |      0      |  off
 161  *    0      |     1      |      0      |  blink (rate 300ms)
 162  *    0      |     x      |      1      |  on
 163  *
 164  * Notes: The blue and the red front LED's can't be on at the same time.
 165  *        Red LED have priority.
 166  */
 167
 168 #define D2NET_GPIO_RED_LED              6
 169 #define D2NET_GPIO_BLUE_LED_BLINK_CTRL  16
 170 #define D2NET_GPIO_BLUE_LED_OFF         23
 171
 172 static struct gpio_led d2net_leds[] = {
 173         {
 174                 .name = "d2net:blue:sata",
 175                 .default_trigger = "default-on",
 176                 .gpio = D2NET_GPIO_BLUE_LED_OFF,
 177                 .active_low = 1,
 178         },
 179         {
 180                 .name = "d2net:red:fail",
 181                 .gpio = D2NET_GPIO_RED_LED,
 182         },
 183 };
 184
 185 static struct gpio_led_platform_data d2net_led_data = {
 186         .num_leds = ARRAY_SIZE(d2net_leds),
 187         .leds = d2net_leds,
 188 };
 189
 190 static struct platform_device d2net_gpio_leds = {
 191         .name           = "leds-gpio",
 192         .id             = -1,
 193         .dev            = {
 194                 .platform_data  = &d2net_led_data,
 195         },
 196 };
 197
 198 static void __init d2net_gpio_leds_init(void)
 199 {
 200         int err;
 201
 202         /* Configure GPIO over MPP max number. */
 203         orion_gpio_set_valid(D2NET_GPIO_BLUE_LED_OFF, 1);
 204
 205         /* Configure register blink_ctrl to allow SATA activity LED blinking. */
 206         err = gpio_request(D2NET_GPIO_BLUE_LED_BLINK_CTRL, "blue LED blink");
 207         if (err == 0) {
 208                 err = gpio_direction_output(D2NET_GPIO_BLUE_LED_BLINK_CTRL, 1);
 209                 if (err)
 210                         gpio_free(D2NET_GPIO_BLUE_LED_BLINK_CTRL);
 211         }
 212         if (err)
 213                 pr_err("d2net: failed to configure blue LED blink GPIO\n");
 214
 215         platform_device_register(&d2net_gpio_leds);
 216 }
 217
 218 /****************************************************************************
 219  * GPIO keys
 220  ****************************************************************************/
 221
 222 #define D2NET_GPIO_PUSH_BUTTON          18
 223 #define D2NET_GPIO_POWER_SWITCH_ON      8
 224 #define D2NET_GPIO_POWER_SWITCH_OFF     9
 225
 226 #define D2NET_SWITCH_POWER_ON           0x1
 227 #define D2NET_SWITCH_POWER_OFF          0x2
 228
 229 static struct gpio_keys_button d2net_buttons[] = {
 230         {
 231                 .type           = EV_SW,
 232                 .code           = D2NET_SWITCH_POWER_OFF,
 233                 .gpio           = D2NET_GPIO_POWER_SWITCH_OFF,
 234                 .desc           = "Power rocker switch (auto|off)",
 235                 .active_low     = 0,
 236         },
 237         {
 238                 .type           = EV_SW,
 239                 .code           = D2NET_SWITCH_POWER_ON,
 240                 .gpio           = D2NET_GPIO_POWER_SWITCH_ON,
 241                 .desc           = "Power rocker switch (on|auto)",
 242                 .active_low     = 0,
 243         },
 244         {
 245                 .type           = EV_KEY,
 246                 .code           = KEY_POWER,
 247                 .gpio           = D2NET_GPIO_PUSH_BUTTON,
 248                 .desc           = "Front Push Button",
 249                 .active_low     = 0,
 250         },
 251 };
 252
 253 static struct gpio_keys_platform_data d2net_button_data = {
 254         .buttons        = d2net_buttons,
 255         .nbuttons       = ARRAY_SIZE(d2net_buttons),
 256 };
 257
 258 static struct platform_device d2net_gpio_buttons = {
 259         .name           = "gpio-keys",
 260         .id             = -1,
 261         .dev            = {
 262                 .platform_data  = &d2net_button_data,
 263         },
 264 };
 265
 266 /*****************************************************************************
 267  * General Setup
 268  ****************************************************************************/
 269
 270 static unsigned int d2net_mpp_modes[] __initdata = {
 271         MPP0_GPIO,      /* Board ID (bit 0) */
 272         MPP1_GPIO,      /* Board ID (bit 1) */
 273         MPP2_GPIO,      /* Board ID (bit 2) */
 274         MPP3_GPIO,      /* SATA 0 power */
 275         MPP4_UNUSED,
 276         MPP5_GPIO,      /* Fan fail detection */
 277         MPP6_GPIO,      /* Red front LED */
 278         MPP7_UNUSED,
 279         MPP8_GPIO,      /* Rear power switch (on|auto) */
 280         MPP9_GPIO,      /* Rear power switch (auto|off) */
 281         MPP10_UNUSED,
 282         MPP11_UNUSED,
 283         MPP12_GPIO,     /* SATA 1 power */
 284         MPP13_UNUSED,
 285         MPP14_SATA_LED, /* SATA 0 active */
 286         MPP15_SATA_LED, /* SATA 1 active */
 287         MPP16_GPIO,     /* Blue front LED blink control */
 288         MPP17_UNUSED,
 289         MPP18_GPIO,     /* Front button (0 = Released, 1 = Pushed ) */
 290         MPP19_UNUSED,
 291         0,
 292         /* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */
 293         /* 23: Blue front LED off */
 294         /* 24: Inhibit board power off (0 = Disabled, 1 = Enabled) */
 295 };
 296
 297 #define D2NET_GPIO_INHIBIT_POWER_OFF    24
 298
 299 static void __init d2net_init(void)
 300 {
 301         /*
 302          * Setup basic Orion functions. Need to be called early.
 303          */
 304         orion5x_init();
 305
 306         orion5x_mpp_conf(d2net_mpp_modes);
 307
 308         /*
 309          * Configure peripherals.
 310          */
 311         orion5x_ehci0_init();
 312         orion5x_eth_init(&d2net_eth_data);
 313         orion5x_i2c_init();
 314         orion5x_uart0_init();
 315
 316         d2net_sata_power_init();
 317         orion5x_sata_init(&d2net_sata_data);
 318
 319         orion5x_setup_dev_boot_win(D2NET_NOR_BOOT_BASE,
 320                                 D2NET_NOR_BOOT_SIZE);
 321         platform_device_register(&d2net_nor_flash);
 322
 323         platform_device_register(&d2net_gpio_buttons);
 324
 325         d2net_gpio_leds_init();
 326
 327         pr_notice("d2net: Flash write are not yet supported.\n");
 328
 329         i2c_register_board_info(0, d2net_i2c_devices,
 330                                 ARRAY_SIZE(d2net_i2c_devices));
 331
 332         orion_gpio_set_valid(D2NET_GPIO_INHIBIT_POWER_OFF, 1);
 333 }
 334
 335 /* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
 336
 337 #ifdef CONFIG_MACH_D2NET
 338 MACHINE_START(D2NET, "LaCie d2 Network")
 339         .atag_offset    = 0x100,
 340         .init_machine   = d2net_init,
 341         .map_io         = orion5x_map_io,
 342         .init_early     = orion5x_init_early,
 343         .init_irq       = orion5x_init_irq,
 344         .timer          = &orion5x_timer,
 345         .fixup          = tag_fixup_mem32,
 346         .restart        = orion5x_restart,
 347 MACHINE_END
 348 #endif
 349
 350 #ifdef CONFIG_MACH_BIGDISK
 351 MACHINE_START(BIGDISK, "LaCie Big Disk Network")
 352         .atag_offset    = 0x100,
 353         .init_machine   = d2net_init,
 354         .map_io         = orion5x_map_io,
 355         .init_early     = orion5x_init_early,
 356         .init_irq       = orion5x_init_irq,
 357         .timer          = &orion5x_timer,
 358         .fixup          = tag_fixup_mem32,
 359         .restart        = orion5x_restart,
 360 MACHINE_END
 361 #endif
 362