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. This feature is disabled to make this LED compatible with
 153  * the leds-gpio driver: MPP14 and MPP15 are configured to act like output
 154  * GPIO's and have to stay in an active state. This is needed to set the blue
 155  * LED in a "fix on" state regardless of the SATA activity.
 156  *
 157  * The following array detail the different LED registers and the combination
 158  * of their possible values:
 159  *
 160  * led_off   | blink_ctrl | SATA active | LED state
 161  *           |            |             |
 162  *    1      |     x      |      x      |  off
 163  *    0      |     0      |      0      |  off
 164  *    0      |     1      |      0      |  blink (rate 300ms)
 165  *    0      |     x      |      1      |  on
 166  *
 167  * Notes: The blue and the red front LED's can't be on at the same time.
 168  *        Red LED have priority.
 169  */
 170
 171 #define D2NET_GPIO_RED_LED              6
 172 #define D2NET_GPIO_BLUE_LED_BLINK_CTRL  16
 173 #define D2NET_GPIO_BLUE_LED_OFF         23
 174 #define D2NET_GPIO_SATA0_ACT            14
 175 #define D2NET_GPIO_SATA1_ACT            15
 176
 177 static struct gpio_led d2net_leds[] = {
 178         {
 179                 .name = "d2net:blue:power",
 180                 .gpio = D2NET_GPIO_BLUE_LED_OFF,
 181                 .active_low = 1,
 182         },
 183         {
 184                 .name = "d2net:red:fail",
 185                 .gpio = D2NET_GPIO_RED_LED,
 186         },
 187 };
 188
 189 static struct gpio_led_platform_data d2net_led_data = {
 190         .num_leds = ARRAY_SIZE(d2net_leds),
 191         .leds = d2net_leds,
 192 };
 193
 194 static struct platform_device d2net_gpio_leds = {
 195         .name           = "leds-gpio",
 196         .id             = -1,
 197         .dev            = {
 198                 .platform_data  = &d2net_led_data,
 199         },
 200 };
 201
 202 static void __init d2net_gpio_leds_init(void)
 203 {
 204         /* Configure GPIO over MPP max number. */
 205         orion_gpio_set_valid(D2NET_GPIO_BLUE_LED_OFF, 1);
 206
 207         if (gpio_request(D2NET_GPIO_SATA0_ACT, "LED SATA0 activity") != 0)
 208                 return;
 209         if (gpio_direction_output(D2NET_GPIO_SATA0_ACT, 1) != 0)
 210                 goto err_free_1;
 211         if (gpio_request(D2NET_GPIO_SATA1_ACT, "LED SATA1 activity") != 0)
 212                 goto err_free_1;
 213         if (gpio_direction_output(D2NET_GPIO_SATA1_ACT, 1) != 0)
 214                 goto err_free_2;
 215         platform_device_register(&d2net_gpio_leds);
 216         return;
 217
 218 err_free_2:
 219         gpio_free(D2NET_GPIO_SATA1_ACT);
 220 err_free_1:
 221         gpio_free(D2NET_GPIO_SATA0_ACT);
 222         return;
 223 }
 224
 225 /****************************************************************************
 226  * GPIO keys
 227  ****************************************************************************/
 228
 229 #define D2NET_GPIO_PUSH_BUTTON          18
 230 #define D2NET_GPIO_POWER_SWITCH_ON      8
 231 #define D2NET_GPIO_POWER_SWITCH_OFF     9
 232
 233 #define D2NET_SWITCH_POWER_ON           0x1
 234 #define D2NET_SWITCH_POWER_OFF          0x2
 235
 236 static struct gpio_keys_button d2net_buttons[] = {
 237         {
 238                 .type           = EV_SW,
 239                 .code           = D2NET_SWITCH_POWER_OFF,
 240                 .gpio           = D2NET_GPIO_POWER_SWITCH_OFF,
 241                 .desc           = "Power rocker switch (auto|off)",
 242                 .active_low     = 0,
 243         },
 244         {
 245                 .type           = EV_SW,
 246                 .code           = D2NET_SWITCH_POWER_ON,
 247                 .gpio           = D2NET_GPIO_POWER_SWITCH_ON,
 248                 .desc           = "Power rocker switch (on|auto)",
 249                 .active_low     = 0,
 250         },
 251         {
 252                 .type           = EV_KEY,
 253                 .code           = KEY_POWER,
 254                 .gpio           = D2NET_GPIO_PUSH_BUTTON,
 255                 .desc           = "Front Push Button",
 256                 .active_low     = 0,
 257         },
 258 };
 259
 260 static struct gpio_keys_platform_data d2net_button_data = {
 261         .buttons        = d2net_buttons,
 262         .nbuttons       = ARRAY_SIZE(d2net_buttons),
 263 };
 264
 265 static struct platform_device d2net_gpio_buttons = {
 266         .name           = "gpio-keys",
 267         .id             = -1,
 268         .dev            = {
 269                 .platform_data  = &d2net_button_data,
 270         },
 271 };
 272
 273 /*****************************************************************************
 274  * General Setup
 275  ****************************************************************************/
 276
 277 static struct orion5x_mpp_mode d2net_mpp_modes[] __initdata = {
 278         {  0, MPP_GPIO },       /* Board ID (bit 0) */
 279         {  1, MPP_GPIO },       /* Board ID (bit 1) */
 280         {  2, MPP_GPIO },       /* Board ID (bit 2) */
 281         {  3, MPP_GPIO },       /* SATA 0 power */
 282         {  4, MPP_UNUSED },
 283         {  5, MPP_GPIO },       /* Fan fail detection */
 284         {  6, MPP_GPIO },       /* Red front LED */
 285         {  7, MPP_UNUSED },
 286         {  8, MPP_GPIO },       /* Rear power switch (on|auto) */
 287         {  9, MPP_GPIO },       /* Rear power switch (auto|off) */
 288         { 10, MPP_UNUSED },
 289         { 11, MPP_UNUSED },
 290         { 12, MPP_GPIO },       /* SATA 1 power */
 291         { 13, MPP_UNUSED },
 292         { 14, MPP_GPIO },       /* SATA 0 active */
 293         { 15, MPP_GPIO },       /* SATA 1 active */
 294         { 16, MPP_GPIO },       /* Blue front LED blink control */
 295         { 17, MPP_UNUSED },
 296         { 18, MPP_GPIO },       /* Front button (0 = Released, 1 = Pushed ) */
 297         { 19, MPP_UNUSED },
 298         { -1 }
 299         /* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */
 300         /* 23: Blue front LED off */
 301         /* 24: Inhibit board power off (0 = Disabled, 1 = Enabled) */
 302 };
 303
 304 static void __init d2net_init(void)
 305 {
 306         /*
 307          * Setup basic Orion functions. Need to be called early.
 308          */
 309         orion5x_init();
 310
 311         orion5x_mpp_conf(d2net_mpp_modes);
 312
 313         /*
 314          * Configure peripherals.
 315          */
 316         orion5x_ehci0_init();
 317         orion5x_eth_init(&d2net_eth_data);
 318         orion5x_i2c_init();
 319         orion5x_uart0_init();
 320
 321         d2net_sata_power_init();
 322         orion5x_sata_init(&d2net_sata_data);
 323
 324         orion5x_setup_dev_boot_win(D2NET_NOR_BOOT_BASE,
 325                                 D2NET_NOR_BOOT_SIZE);
 326         platform_device_register(&d2net_nor_flash);
 327
 328         platform_device_register(&d2net_gpio_buttons);
 329
 330         d2net_gpio_leds_init();
 331
 332         pr_notice("d2net: Flash write are not yet supported.\n");
 333
 334         i2c_register_board_info(0, d2net_i2c_devices,
 335                                 ARRAY_SIZE(d2net_i2c_devices));
 336 }
 337
 338 /* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
 339
 340 #ifdef CONFIG_MACH_D2NET
 341 MACHINE_START(D2NET, "LaCie d2 Network")
 342         .phys_io        = ORION5X_REGS_PHYS_BASE,
 343         .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
 344         .boot_params    = 0x00000100,
 345         .init_machine   = d2net_init,
 346         .map_io         = orion5x_map_io,
 347         .init_irq       = orion5x_init_irq,
 348         .timer          = &orion5x_timer,
 349         .fixup          = tag_fixup_mem32,
 350 MACHINE_END
 351 #endif
 352
 353 #ifdef CONFIG_MACH_BIGDISK
 354 MACHINE_START(BIGDISK, "LaCie Big Disk Network")
 355         .phys_io        = ORION5X_REGS_PHYS_BASE,
 356         .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
 357         .boot_params    = 0x00000100,
 358         .init_machine   = d2net_init,
 359         .map_io         = orion5x_map_io,
 360         .init_irq       = orion5x_init_irq,
 361         .timer          = &orion5x_timer,
 362         .fixup          = tag_fixup_mem32,
 363 MACHINE_END
 364 #endif
 365