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 <plat/orion-gpio.h> 28 #include "common.h" 29 #include "mpp.h" 30 #include "orion5x.h" 31 32 /***************************************************************************** 33 * LaCie 2Big Network Info 34 ****************************************************************************/ 35 36 /* 37 * 512KB NOR flash Device bus boot chip select 38 */ 39 40 #define NET2BIG_NOR_BOOT_BASE 0xfff80000 41 #define NET2BIG_NOR_BOOT_SIZE SZ_512K 42 43 /***************************************************************************** 44 * 512KB NOR Flash on Boot Device 45 ****************************************************************************/ 46 47 /* 48 * TODO: Check write support on flash MX29LV400CBTC-70G 49 */ 50 51 static struct mtd_partition net2big_partitions[] = { 52 { 53 .name = "Full512kb", 54 .size = MTDPART_SIZ_FULL, 55 .offset = 0x00000000, 56 .mask_flags = MTD_WRITEABLE, 57 }, 58 }; 59 60 static struct physmap_flash_data net2big_nor_flash_data = { 61 .width = 1, 62 .parts = net2big_partitions, 63 .nr_parts = ARRAY_SIZE(net2big_partitions), 64 }; 65 66 static struct resource net2big_nor_flash_resource = { 67 .flags = IORESOURCE_MEM, 68 .start = NET2BIG_NOR_BOOT_BASE, 69 .end = NET2BIG_NOR_BOOT_BASE 70 + NET2BIG_NOR_BOOT_SIZE - 1, 71 }; 72 73 static struct platform_device net2big_nor_flash = { 74 .name = "physmap-flash", 75 .id = 0, 76 .dev = { 77 .platform_data = &net2big_nor_flash_data, 78 }, 79 .num_resources = 1, 80 .resource = &net2big_nor_flash_resource, 81 }; 82 83 /***************************************************************************** 84 * Ethernet 85 ****************************************************************************/ 86 87 static struct mv643xx_eth_platform_data net2big_eth_data = { 88 .phy_addr = MV643XX_ETH_PHY_ADDR(8), 89 }; 90 91 /***************************************************************************** 92 * I2C devices 93 ****************************************************************************/ 94 95 /* 96 * i2c addr | chip | description 97 * 0x32 | Ricoh 5C372b | RTC 98 * 0x50 | HT24LC08 | eeprom (1kB) 99 */ 100 static struct i2c_board_info __initdata net2big_i2c_devices[] = { 101 { 102 I2C_BOARD_INFO("rs5c372b", 0x32), 103 }, { 104 I2C_BOARD_INFO("24c08", 0x50), 105 }, 106 }; 107 108 /***************************************************************************** 109 * SATA 110 ****************************************************************************/ 111 112 static struct mv_sata_platform_data net2big_sata_data = { 113 .n_ports = 2, 114 }; 115 116 #define NET2BIG_GPIO_SATA_POWER_REQ 19 117 #define NET2BIG_GPIO_SATA0_POWER 23 118 #define NET2BIG_GPIO_SATA1_POWER 25 119 120 static void __init net2big_sata_power_init(void) 121 { 122 int err; 123 124 /* Configure GPIOs over MPP max number. */ 125 orion_gpio_set_valid(NET2BIG_GPIO_SATA0_POWER, 1); 126 orion_gpio_set_valid(NET2BIG_GPIO_SATA1_POWER, 1); 127 128 err = gpio_request(NET2BIG_GPIO_SATA0_POWER, "SATA0 power status"); 129 if (err == 0) { 130 err = gpio_direction_input(NET2BIG_GPIO_SATA0_POWER); 131 if (err) 132 gpio_free(NET2BIG_GPIO_SATA0_POWER); 133 } 134 if (err) { 135 pr_err("net2big: failed to setup SATA0 power GPIO\n"); 136 return; 137 } 138 139 err = gpio_request(NET2BIG_GPIO_SATA1_POWER, "SATA1 power status"); 140 if (err == 0) { 141 err = gpio_direction_input(NET2BIG_GPIO_SATA1_POWER); 142 if (err) 143 gpio_free(NET2BIG_GPIO_SATA1_POWER); 144 } 145 if (err) { 146 pr_err("net2big: failed to setup SATA1 power GPIO\n"); 147 goto err_free_1; 148 } 149 150 err = gpio_request(NET2BIG_GPIO_SATA_POWER_REQ, "SATA power request"); 151 if (err == 0) { 152 err = gpio_direction_output(NET2BIG_GPIO_SATA_POWER_REQ, 0); 153 if (err) 154 gpio_free(NET2BIG_GPIO_SATA_POWER_REQ); 155 } 156 if (err) { 157 pr_err("net2big: failed to setup SATA power request GPIO\n"); 158 goto err_free_2; 159 } 160 161 if (gpio_get_value(NET2BIG_GPIO_SATA0_POWER) && 162 gpio_get_value(NET2BIG_GPIO_SATA1_POWER)) { 163 return; 164 } 165 166 /* 167 * SATA power up on both disk is done by pulling high the CPLD power 168 * request line. The 300ms delay is related to the CPLD clock and is 169 * needed to be sure that the CPLD has take into account the low line 170 * status. 171 */ 172 msleep(300); 173 gpio_set_value(NET2BIG_GPIO_SATA_POWER_REQ, 1); 174 pr_info("net2big: power up SATA hard disks\n"); 175 176 return; 177 178 err_free_2: 179 gpio_free(NET2BIG_GPIO_SATA1_POWER); 180 err_free_1: 181 gpio_free(NET2BIG_GPIO_SATA0_POWER); 182 183 return; 184 } 185 186 /***************************************************************************** 187 * GPIO LEDs 188 ****************************************************************************/ 189 190 /* 191 * The power front LEDs (blue and red) and SATA red LEDs are controlled via a 192 * single GPIO line and are compatible with the leds-gpio driver. 193 * 194 * The SATA blue LEDs have some hardware blink capabilities which are detailed 195 * in the following array: 196 * 197 * SATAx blue LED | SATAx activity | LED state 198 * | | 199 * 0 | 0 | blink (rate 300ms) 200 * 1 | 0 | off 201 * ? | 1 | on 202 * 203 * Notes: The blue and the red front LED's can't be on at the same time. 204 * Blue LED have priority. 205 */ 206 207 #define NET2BIG_GPIO_PWR_RED_LED 6 208 #define NET2BIG_GPIO_PWR_BLUE_LED 16 209 #define NET2BIG_GPIO_PWR_LED_BLINK_STOP 7 210 211 #define NET2BIG_GPIO_SATA0_RED_LED 11 212 #define NET2BIG_GPIO_SATA1_RED_LED 10 213 214 #define NET2BIG_GPIO_SATA0_BLUE_LED 17 215 #define NET2BIG_GPIO_SATA1_BLUE_LED 13 216 217 static struct gpio_led net2big_leds[] = { 218 { 219 .name = "net2big:red:power", 220 .gpio = NET2BIG_GPIO_PWR_RED_LED, 221 }, 222 { 223 .name = "net2big:blue:power", 224 .gpio = NET2BIG_GPIO_PWR_BLUE_LED, 225 }, 226 { 227 .name = "net2big:red:sata0", 228 .gpio = NET2BIG_GPIO_SATA0_RED_LED, 229 }, 230 { 231 .name = "net2big:red:sata1", 232 .gpio = NET2BIG_GPIO_SATA1_RED_LED, 233 }, 234 }; 235 236 static struct gpio_led_platform_data net2big_led_data = { 237 .num_leds = ARRAY_SIZE(net2big_leds), 238 .leds = net2big_leds, 239 }; 240 241 static struct platform_device net2big_gpio_leds = { 242 .name = "leds-gpio", 243 .id = -1, 244 .dev = { 245 .platform_data = &net2big_led_data, 246 }, 247 }; 248 249 static void __init net2big_gpio_leds_init(void) 250 { 251 int err; 252 253 /* Stop initial CPLD slow red/blue blinking on power LED. */ 254 err = gpio_request(NET2BIG_GPIO_PWR_LED_BLINK_STOP, 255 "Power LED blink stop"); 256 if (err == 0) { 257 err = gpio_direction_output(NET2BIG_GPIO_PWR_LED_BLINK_STOP, 1); 258 if (err) 259 gpio_free(NET2BIG_GPIO_PWR_LED_BLINK_STOP); 260 } 261 if (err) 262 pr_err("net2big: failed to setup power LED blink GPIO\n"); 263 264 /* 265 * Configure SATA0 and SATA1 blue LEDs to blink in relation with the 266 * hard disk activity. 267 */ 268 err = gpio_request(NET2BIG_GPIO_SATA0_BLUE_LED, 269 "SATA0 blue LED control"); 270 if (err == 0) { 271 err = gpio_direction_output(NET2BIG_GPIO_SATA0_BLUE_LED, 1); 272 if (err) 273 gpio_free(NET2BIG_GPIO_SATA0_BLUE_LED); 274 } 275 if (err) 276 pr_err("net2big: failed to setup SATA0 blue LED GPIO\n"); 277 278 err = gpio_request(NET2BIG_GPIO_SATA1_BLUE_LED, 279 "SATA1 blue LED control"); 280 if (err == 0) { 281 err = gpio_direction_output(NET2BIG_GPIO_SATA1_BLUE_LED, 1); 282 if (err) 283 gpio_free(NET2BIG_GPIO_SATA1_BLUE_LED); 284 } 285 if (err) 286 pr_err("net2big: failed to setup SATA1 blue LED GPIO\n"); 287 288 platform_device_register(&net2big_gpio_leds); 289 } 290 291 /**************************************************************************** 292 * GPIO keys 293 ****************************************************************************/ 294 295 #define NET2BIG_GPIO_PUSH_BUTTON 18 296 #define NET2BIG_GPIO_POWER_SWITCH_ON 8 297 #define NET2BIG_GPIO_POWER_SWITCH_OFF 9 298 299 #define NET2BIG_SWITCH_POWER_ON 0x1 300 #define NET2BIG_SWITCH_POWER_OFF 0x2 301 302 static struct gpio_keys_button net2big_buttons[] = { 303 { 304 .type = EV_SW, 305 .code = NET2BIG_SWITCH_POWER_OFF, 306 .gpio = NET2BIG_GPIO_POWER_SWITCH_OFF, 307 .desc = "Power rocker switch (auto|off)", 308 .active_low = 0, 309 }, 310 { 311 .type = EV_SW, 312 .code = NET2BIG_SWITCH_POWER_ON, 313 .gpio = NET2BIG_GPIO_POWER_SWITCH_ON, 314 .desc = "Power rocker switch (on|auto)", 315 .active_low = 0, 316 }, 317 { 318 .type = EV_KEY, 319 .code = KEY_POWER, 320 .gpio = NET2BIG_GPIO_PUSH_BUTTON, 321 .desc = "Front Push Button", 322 .active_low = 0, 323 }, 324 }; 325 326 static struct gpio_keys_platform_data net2big_button_data = { 327 .buttons = net2big_buttons, 328 .nbuttons = ARRAY_SIZE(net2big_buttons), 329 }; 330 331 static struct platform_device net2big_gpio_buttons = { 332 .name = "gpio-keys", 333 .id = -1, 334 .dev = { 335 .platform_data = &net2big_button_data, 336 }, 337 }; 338 339 /***************************************************************************** 340 * General Setup 341 ****************************************************************************/ 342 343 static unsigned int net2big_mpp_modes[] __initdata = { 344 MPP0_GPIO, /* Raid mode (bit 0) */ 345 MPP1_GPIO, /* USB port 2 fuse (0 = Fail, 1 = Ok) */ 346 MPP2_GPIO, /* Raid mode (bit 1) */ 347 MPP3_GPIO, /* Board ID (bit 0) */ 348 MPP4_GPIO, /* Fan activity (0 = Off, 1 = On) */ 349 MPP5_GPIO, /* Fan fail detection */ 350 MPP6_GPIO, /* Red front LED (0 = Off, 1 = On) */ 351 MPP7_GPIO, /* Disable initial blinking on front LED */ 352 MPP8_GPIO, /* Rear power switch (on|auto) */ 353 MPP9_GPIO, /* Rear power switch (auto|off) */ 354 MPP10_GPIO, /* SATA 1 red LED (0 = Off, 1 = On) */ 355 MPP11_GPIO, /* SATA 0 red LED (0 = Off, 1 = On) */ 356 MPP12_GPIO, /* Board ID (bit 1) */ 357 MPP13_GPIO, /* SATA 1 blue LED blink control */ 358 MPP14_SATA_LED, 359 MPP15_SATA_LED, 360 MPP16_GPIO, /* Blue front LED control */ 361 MPP17_GPIO, /* SATA 0 blue LED blink control */ 362 MPP18_GPIO, /* Front button (0 = Released, 1 = Pushed ) */ 363 MPP19_GPIO, /* SATA{0,1} power On/Off request */ 364 0, 365 /* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */ 366 /* 23: SATA 0 power status */ 367 /* 24: Board power off */ 368 /* 25: SATA 1 power status */ 369 }; 370 371 #define NET2BIG_GPIO_POWER_OFF 24 372 373 static void net2big_power_off(void) 374 { 375 gpio_set_value(NET2BIG_GPIO_POWER_OFF, 1); 376 } 377 378 static void __init net2big_init(void) 379 { 380 /* 381 * Setup basic Orion functions. Need to be called early. 382 */ 383 orion5x_init(); 384 385 orion5x_mpp_conf(net2big_mpp_modes); 386 387 /* 388 * Configure peripherals. 389 */ 390 orion5x_ehci0_init(); 391 orion5x_ehci1_init(); 392 orion5x_eth_init(&net2big_eth_data); 393 orion5x_i2c_init(); 394 orion5x_uart0_init(); 395 orion5x_xor_init(); 396 397 net2big_sata_power_init(); 398 orion5x_sata_init(&net2big_sata_data); 399 400 mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET, 401 ORION_MBUS_DEVBUS_BOOT_ATTR, 402 NET2BIG_NOR_BOOT_BASE, 403 NET2BIG_NOR_BOOT_SIZE); 404 platform_device_register(&net2big_nor_flash); 405 406 platform_device_register(&net2big_gpio_buttons); 407 net2big_gpio_leds_init(); 408 409 i2c_register_board_info(0, net2big_i2c_devices, 410 ARRAY_SIZE(net2big_i2c_devices)); 411 412 orion_gpio_set_valid(NET2BIG_GPIO_POWER_OFF, 1); 413 414 if (gpio_request(NET2BIG_GPIO_POWER_OFF, "power-off") == 0 && 415 gpio_direction_output(NET2BIG_GPIO_POWER_OFF, 0) == 0) 416 pm_power_off = net2big_power_off; 417 else 418 pr_err("net2big: failed to configure power-off GPIO\n"); 419 420 pr_notice("net2big: Flash writing is not yet supported.\n"); 421 } 422 423 /* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */ 424 MACHINE_START(NET2BIG, "LaCie 2Big Network") 425 .atag_offset = 0x100, 426 .nr_irqs = ORION5X_NR_IRQS, 427 .init_machine = net2big_init, 428 .map_io = orion5x_map_io, 429 .init_early = orion5x_init_early, 430 .init_irq = orion5x_init_irq, 431 .init_time = orion5x_timer_init, 432 .fixup = tag_fixup_mem32, 433 .restart = orion5x_restart, 434 MACHINE_END 435 436