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