linux/arch/arm/mach-orion5x/net2big-setup.c
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   1/*
   2 * arch/arm/mach-orion5x/net2big-setup.c
   3 *
   4 * LaCie 2Big 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/mtd/physmap.h>
  17#include <linux/mv643xx_eth.h>
  18#include <linux/leds.h>
  19#include <linux/gpio_keys.h>
  20#include <linux/input.h>
  21#include <linux/i2c.h>
  22#include <linux/ata_platform.h>
  23#include <linux/gpio.h>
  24#include <linux/delay.h>
  25#include <asm/mach-types.h>
  26#include <asm/mach/arch.h>
  27#include <mach/orion5x.h>
  28#include "common.h"
  29#include "mpp.h"
  30
  31/*****************************************************************************
  32 * LaCie 2Big Network Info
  33 ****************************************************************************/
  34
  35/*
  36 * 512KB NOR flash Device bus boot chip select
  37 */
  38
  39#define NET2BIG_NOR_BOOT_BASE           0xfff80000
  40#define NET2BIG_NOR_BOOT_SIZE           SZ_512K
  41
  42/*****************************************************************************
  43 * 512KB NOR Flash on Boot Device
  44 ****************************************************************************/
  45
  46/*
  47 * TODO: Check write support on flash MX29LV400CBTC-70G
  48 */
  49
  50static struct mtd_partition net2big_partitions[] = {
  51        {
  52                .name           = "Full512kb",
  53                .size           = MTDPART_SIZ_FULL,
  54                .offset         = 0x00000000,
  55                .mask_flags     = MTD_WRITEABLE,
  56        },
  57};
  58
  59static struct physmap_flash_data net2big_nor_flash_data = {
  60        .width          = 1,
  61        .parts          = net2big_partitions,
  62        .nr_parts       = ARRAY_SIZE(net2big_partitions),
  63};
  64
  65static struct resource net2big_nor_flash_resource = {
  66        .flags                  = IORESOURCE_MEM,
  67        .start                  = NET2BIG_NOR_BOOT_BASE,
  68        .end                    = NET2BIG_NOR_BOOT_BASE
  69                                        + NET2BIG_NOR_BOOT_SIZE - 1,
  70};
  71
  72static struct platform_device net2big_nor_flash = {
  73        .name                   = "physmap-flash",
  74        .id                     = 0,
  75        .dev            = {
  76                .platform_data  = &net2big_nor_flash_data,
  77        },
  78        .num_resources          = 1,
  79        .resource               = &net2big_nor_flash_resource,
  80};
  81
  82/*****************************************************************************
  83 * Ethernet
  84 ****************************************************************************/
  85
  86static struct mv643xx_eth_platform_data net2big_eth_data = {
  87        .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  88};
  89
  90/*****************************************************************************
  91 * I2C devices
  92 ****************************************************************************/
  93
  94/*
  95 * i2c addr | chip         | description
  96 * 0x32     | Ricoh 5C372b | RTC
  97 * 0x50     | HT24LC08     | eeprom (1kB)
  98 */
  99static struct i2c_board_info __initdata net2big_i2c_devices[] = {
 100        {
 101                I2C_BOARD_INFO("rs5c372b", 0x32),
 102        }, {
 103                I2C_BOARD_INFO("24c08", 0x50),
 104        },
 105};
 106
 107/*****************************************************************************
 108 * SATA
 109 ****************************************************************************/
 110
 111static struct mv_sata_platform_data net2big_sata_data = {
 112        .n_ports        = 2,
 113};
 114
 115#define NET2BIG_GPIO_SATA_POWER_REQ     19
 116#define NET2BIG_GPIO_SATA0_POWER        23
 117#define NET2BIG_GPIO_SATA1_POWER        25
 118
 119static void __init net2big_sata_power_init(void)
 120{
 121        int err;
 122
 123        /* Configure GPIOs over MPP max number. */
 124        orion_gpio_set_valid(NET2BIG_GPIO_SATA0_POWER, 1);
 125        orion_gpio_set_valid(NET2BIG_GPIO_SATA1_POWER, 1);
 126
 127        err = gpio_request(NET2BIG_GPIO_SATA0_POWER, "SATA0 power status");
 128        if (err == 0) {
 129                err = gpio_direction_input(NET2BIG_GPIO_SATA0_POWER);
 130                if (err)
 131                        gpio_free(NET2BIG_GPIO_SATA0_POWER);
 132        }
 133        if (err) {
 134                pr_err("net2big: failed to setup SATA0 power GPIO\n");
 135                return;
 136        }
 137
 138        err = gpio_request(NET2BIG_GPIO_SATA1_POWER, "SATA1 power status");
 139        if (err == 0) {
 140                err = gpio_direction_input(NET2BIG_GPIO_SATA1_POWER);
 141                if (err)
 142                        gpio_free(NET2BIG_GPIO_SATA1_POWER);
 143        }
 144        if (err) {
 145                pr_err("net2big: failed to setup SATA1 power GPIO\n");
 146                goto err_free_1;
 147        }
 148
 149        err = gpio_request(NET2BIG_GPIO_SATA_POWER_REQ, "SATA power request");
 150        if (err == 0) {
 151                err = gpio_direction_output(NET2BIG_GPIO_SATA_POWER_REQ, 0);
 152                if (err)
 153                        gpio_free(NET2BIG_GPIO_SATA_POWER_REQ);
 154        }
 155        if (err) {
 156                pr_err("net2big: failed to setup SATA power request GPIO\n");
 157                goto err_free_2;
 158        }
 159
 160        if (gpio_get_value(NET2BIG_GPIO_SATA0_POWER) &&
 161                gpio_get_value(NET2BIG_GPIO_SATA1_POWER)) {
 162                return;
 163        }
 164
 165        /*
 166         * SATA power up on both disk is done by pulling high the CPLD power
 167         * request line. The 300ms delay is related to the CPLD clock and is
 168         * needed to be sure that the CPLD has take into account the low line
 169         * status.
 170         */
 171        msleep(300);
 172        gpio_set_value(NET2BIG_GPIO_SATA_POWER_REQ, 1);
 173        pr_info("net2big: power up SATA hard disks\n");
 174
 175        return;
 176
 177err_free_2:
 178        gpio_free(NET2BIG_GPIO_SATA1_POWER);
 179err_free_1:
 180        gpio_free(NET2BIG_GPIO_SATA0_POWER);
 181
 182        return;
 183}
 184
 185/*****************************************************************************
 186 * GPIO LEDs
 187 ****************************************************************************/
 188
 189/*
 190 * The power front LEDs (blue and red) and SATA red LEDs are controlled via a
 191 * single GPIO line and are compatible with the leds-gpio driver.
 192 *
 193 * The SATA blue LEDs have some hardware blink capabilities which are detailled
 194 * in the following array:
 195 *
 196 * SATAx blue LED | SATAx activity | LED state
 197 *                |                |
 198 *       0        |       0        |  blink (rate 300ms)
 199 *       1        |       0        |  off
 200 *       ?        |       1        |  on
 201 *
 202 * Notes: The blue and the red front LED's can't be on at the same time.
 203 *        Blue LED have priority.
 204 */
 205
 206#define NET2BIG_GPIO_PWR_RED_LED        6
 207#define NET2BIG_GPIO_PWR_BLUE_LED       16
 208#define NET2BIG_GPIO_PWR_LED_BLINK_STOP 7
 209
 210#define NET2BIG_GPIO_SATA0_RED_LED      11
 211#define NET2BIG_GPIO_SATA1_RED_LED      10
 212
 213#define NET2BIG_GPIO_SATA0_BLUE_LED     17
 214#define NET2BIG_GPIO_SATA1_BLUE_LED     13
 215
 216static struct gpio_led net2big_leds[] = {
 217        {
 218                .name = "net2big:red:power",
 219                .gpio = NET2BIG_GPIO_PWR_RED_LED,
 220        },
 221        {
 222                .name = "net2big:blue:power",
 223                .gpio = NET2BIG_GPIO_PWR_BLUE_LED,
 224        },
 225        {
 226                .name = "net2big:red:sata0",
 227                .gpio = NET2BIG_GPIO_SATA0_RED_LED,
 228        },
 229        {
 230                .name = "net2big:red:sata1",
 231                .gpio = NET2BIG_GPIO_SATA1_RED_LED,
 232        },
 233};
 234
 235static struct gpio_led_platform_data net2big_led_data = {
 236        .num_leds = ARRAY_SIZE(net2big_leds),
 237        .leds = net2big_leds,
 238};
 239
 240static struct platform_device net2big_gpio_leds = {
 241        .name           = "leds-gpio",
 242        .id             = -1,
 243        .dev            = {
 244                .platform_data  = &net2big_led_data,
 245        },
 246};
 247
 248static void __init net2big_gpio_leds_init(void)
 249{
 250        int err;
 251
 252        /* Stop initial CPLD slow red/blue blinking on power LED. */
 253        err = gpio_request(NET2BIG_GPIO_PWR_LED_BLINK_STOP,
 254                           "Power LED blink stop");
 255        if (err == 0) {
 256                err = gpio_direction_output(NET2BIG_GPIO_PWR_LED_BLINK_STOP, 1);
 257                if (err)
 258                        gpio_free(NET2BIG_GPIO_PWR_LED_BLINK_STOP);
 259        }
 260        if (err)
 261                pr_err("net2big: failed to setup power LED blink GPIO\n");
 262
 263        /*
 264         * Configure SATA0 and SATA1 blue LEDs to blink in relation with the
 265         * hard disk activity.
 266         */
 267        err = gpio_request(NET2BIG_GPIO_SATA0_BLUE_LED,
 268                           "SATA0 blue LED control");
 269        if (err == 0) {
 270                err = gpio_direction_output(NET2BIG_GPIO_SATA0_BLUE_LED, 1);
 271                if (err)
 272                        gpio_free(NET2BIG_GPIO_SATA0_BLUE_LED);
 273        }
 274        if (err)
 275                pr_err("net2big: failed to setup SATA0 blue LED GPIO\n");
 276
 277        err = gpio_request(NET2BIG_GPIO_SATA1_BLUE_LED,
 278                           "SATA1 blue LED control");
 279        if (err == 0) {
 280                err = gpio_direction_output(NET2BIG_GPIO_SATA1_BLUE_LED, 1);
 281                if (err)
 282                        gpio_free(NET2BIG_GPIO_SATA1_BLUE_LED);
 283        }
 284        if (err)
 285                pr_err("net2big: failed to setup SATA1 blue LED GPIO\n");
 286
 287        platform_device_register(&net2big_gpio_leds);
 288}
 289
 290/****************************************************************************
 291 * GPIO keys
 292 ****************************************************************************/
 293
 294#define NET2BIG_GPIO_PUSH_BUTTON        18
 295#define NET2BIG_GPIO_POWER_SWITCH_ON    8
 296#define NET2BIG_GPIO_POWER_SWITCH_OFF   9
 297
 298#define NET2BIG_SWITCH_POWER_ON         0x1
 299#define NET2BIG_SWITCH_POWER_OFF        0x2
 300
 301static struct gpio_keys_button net2big_buttons[] = {
 302        {
 303                .type           = EV_SW,
 304                .code           = NET2BIG_SWITCH_POWER_OFF,
 305                .gpio           = NET2BIG_GPIO_POWER_SWITCH_OFF,
 306                .desc           = "Power rocker switch (auto|off)",
 307                .active_low     = 0,
 308        },
 309        {
 310                .type           = EV_SW,
 311                .code           = NET2BIG_SWITCH_POWER_ON,
 312                .gpio           = NET2BIG_GPIO_POWER_SWITCH_ON,
 313                .desc           = "Power rocker switch (on|auto)",
 314                .active_low     = 0,
 315        },
 316        {
 317                .type           = EV_KEY,
 318                .code           = KEY_POWER,
 319                .gpio           = NET2BIG_GPIO_PUSH_BUTTON,
 320                .desc           = "Front Push Button",
 321                .active_low     = 0,
 322        },
 323};
 324
 325static struct gpio_keys_platform_data net2big_button_data = {
 326        .buttons        = net2big_buttons,
 327        .nbuttons       = ARRAY_SIZE(net2big_buttons),
 328};
 329
 330static struct platform_device net2big_gpio_buttons = {
 331        .name           = "gpio-keys",
 332        .id             = -1,
 333        .dev            = {
 334                .platform_data  = &net2big_button_data,
 335        },
 336};
 337
 338/*****************************************************************************
 339 * General Setup
 340 ****************************************************************************/
 341
 342static struct orion5x_mpp_mode net2big_mpp_modes[] __initdata = {
 343        {  0, MPP_GPIO },       /* Raid mode (bit 0) */
 344        {  1, MPP_GPIO },       /* USB port 2 fuse (0 = Fail, 1 = Ok) */
 345        {  2, MPP_GPIO },       /* Raid mode (bit 1) */
 346        {  3, MPP_GPIO },       /* Board ID (bit 0) */
 347        {  4, MPP_GPIO },       /* Fan activity (0 = Off, 1 = On) */
 348        {  5, MPP_GPIO },       /* Fan fail detection */
 349        {  6, MPP_GPIO },       /* Red front LED (0 = Off, 1 = On) */
 350        {  7, MPP_GPIO },       /* Disable initial blinking on front LED */
 351        {  8, MPP_GPIO },       /* Rear power switch (on|auto) */
 352        {  9, MPP_GPIO },       /* Rear power switch (auto|off) */
 353        { 10, MPP_GPIO },       /* SATA 1 red LED (0 = Off, 1 = On) */
 354        { 11, MPP_GPIO },       /* SATA 0 red LED (0 = Off, 1 = On) */
 355        { 12, MPP_GPIO },       /* Board ID (bit 1) */
 356        { 13, MPP_GPIO },       /* SATA 1 blue LED blink control */
 357        { 14, MPP_SATA_LED },
 358        { 15, MPP_SATA_LED },
 359        { 16, MPP_GPIO },       /* Blue front LED control */
 360        { 17, MPP_GPIO },       /* SATA 0 blue LED blink control */
 361        { 18, MPP_GPIO },       /* Front button (0 = Released, 1 = Pushed ) */
 362        { 19, MPP_GPIO },       /* SATA{0,1} power On/Off request */
 363        { -1 }
 364        /* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */
 365        /* 23: SATA 0 power status */
 366        /* 24: Board power off */
 367        /* 25: SATA 1 power status */
 368};
 369
 370#define NET2BIG_GPIO_POWER_OFF          24
 371
 372static void net2big_power_off(void)
 373{
 374        gpio_set_value(NET2BIG_GPIO_POWER_OFF, 1);
 375}
 376
 377static void __init net2big_init(void)
 378{
 379        /*
 380         * Setup basic Orion functions. Need to be called early.
 381         */
 382        orion5x_init();
 383
 384        orion5x_mpp_conf(net2big_mpp_modes);
 385
 386        /*
 387         * Configure peripherals.
 388         */
 389        orion5x_ehci0_init();
 390        orion5x_ehci1_init();
 391        orion5x_eth_init(&net2big_eth_data);
 392        orion5x_i2c_init();
 393        orion5x_uart0_init();
 394        orion5x_xor_init();
 395
 396        net2big_sata_power_init();
 397        orion5x_sata_init(&net2big_sata_data);
 398
 399        orion5x_setup_dev_boot_win(NET2BIG_NOR_BOOT_BASE,
 400                                   NET2BIG_NOR_BOOT_SIZE);
 401        platform_device_register(&net2big_nor_flash);
 402
 403        platform_device_register(&net2big_gpio_buttons);
 404        net2big_gpio_leds_init();
 405
 406        i2c_register_board_info(0, net2big_i2c_devices,
 407                                ARRAY_SIZE(net2big_i2c_devices));
 408
 409        orion_gpio_set_valid(NET2BIG_GPIO_POWER_OFF, 1);
 410
 411        if (gpio_request(NET2BIG_GPIO_POWER_OFF, "power-off") == 0 &&
 412            gpio_direction_output(NET2BIG_GPIO_POWER_OFF, 0) == 0)
 413                pm_power_off = net2big_power_off;
 414        else
 415                pr_err("net2big: failed to configure power-off GPIO\n");
 416
 417        pr_notice("net2big: Flash writing is not yet supported.\n");
 418}
 419
 420/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
 421MACHINE_START(NET2BIG, "LaCie 2Big Network")
 422        .phys_io        = ORION5X_REGS_PHYS_BASE,
 423        .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
 424        .boot_params    = 0x00000100,
 425        .init_machine   = net2big_init,
 426        .map_io         = orion5x_map_io,
 427        .init_irq       = orion5x_init_irq,
 428        .timer          = &orion5x_timer,
 429        .fixup          = tag_fixup_mem32,
 430MACHINE_END
 431
 432
Hosted by Missing Link Electronics. The original LXR software by the LXR community, this experimental version by lxr@linux.no.