1/* 2 * arch/arm/mach-kirkwood/netxbig_v2-setup.c 3 * 4 * LaCie 2Big and 5Big Network v2 board setup 5 * 6 * Copyright (C) 2010 Simon Guinot <sguinot@lacie.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 */ 22 23#include <linux/kernel.h> 24#include <linux/init.h> 25#include <linux/platform_device.h> 26#include <linux/mtd/physmap.h> 27#include <linux/spi/flash.h> 28#include <linux/spi/spi.h> 29#include <linux/ata_platform.h> 30#include <linux/mv643xx_eth.h> 31#include <linux/i2c.h> 32#include <linux/i2c/at24.h> 33#include <linux/input.h> 34#include <linux/gpio.h> 35#include <linux/gpio_keys.h> 36#include <linux/leds.h> 37#include <asm/mach-types.h> 38#include <asm/mach/arch.h> 39#include <asm/mach/time.h> 40#include <mach/kirkwood.h> 41#include <plat/time.h> 42#include "common.h" 43#include "mpp.h" 44 45/***************************************************************************** 46 * 512KB SPI Flash on Boot Device (MACRONIX MX25L4005) 47 ****************************************************************************/ 48 49static struct mtd_partition netxbig_v2_flash_parts[] = { 50 { 51 .name = "u-boot", 52 .size = MTDPART_SIZ_FULL, 53 .offset = 0, 54 .mask_flags = MTD_WRITEABLE, /* force read-only */ 55 }, 56}; 57 58static const struct flash_platform_data netxbig_v2_flash = { 59 .type = "mx25l4005a", 60 .name = "spi_flash", 61 .parts = netxbig_v2_flash_parts, 62 .nr_parts = ARRAY_SIZE(netxbig_v2_flash_parts), 63}; 64 65static struct spi_board_info __initdata netxbig_v2_spi_slave_info[] = { 66 { 67 .modalias = "m25p80", 68 .platform_data = &netxbig_v2_flash, 69 .irq = -1, 70 .max_speed_hz = 20000000, 71 .bus_num = 0, 72 .chip_select = 0, 73 }, 74}; 75 76/***************************************************************************** 77 * Ethernet 78 ****************************************************************************/ 79 80static struct mv643xx_eth_platform_data netxbig_v2_ge00_data = { 81 .phy_addr = MV643XX_ETH_PHY_ADDR(8), 82}; 83 84static struct mv643xx_eth_platform_data netxbig_v2_ge01_data = { 85 .phy_addr = MV643XX_ETH_PHY_ADDR(0), 86}; 87 88/***************************************************************************** 89 * I2C devices 90 ****************************************************************************/ 91 92static struct at24_platform_data at24c04 = { 93 .byte_len = SZ_4K / 8, 94 .page_size = 16, 95}; 96 97/* 98 * i2c addr | chip | description 99 * 0x50 | HT24LC04 | eeprom (512B) 100 */ 101 102static struct i2c_board_info __initdata netxbig_v2_i2c_info[] = { 103 { 104 I2C_BOARD_INFO("24c04", 0x50), 105 .platform_data = &at24c04, 106 } 107}; 108 109/***************************************************************************** 110 * SATA 111 ****************************************************************************/ 112 113static struct mv_sata_platform_data netxbig_v2_sata_data = { 114 .n_ports = 2, 115}; 116 117static int __initdata netxbig_v2_gpio_hdd_power[] = { 16, 17, 41, 42, 43 }; 118 119static void __init netxbig_v2_sata_power_init(void) 120{ 121 int i; 122 int err; 123 int hdd_nb; 124 125 if (machine_is_net2big_v2()) 126 hdd_nb = 2; 127 else 128 hdd_nb = 5; 129 130 /* Power up all hard disks. */ 131 for (i = 0; i < hdd_nb; i++) { 132 err = gpio_request(netxbig_v2_gpio_hdd_power[i], NULL); 133 if (err == 0) { 134 err = gpio_direction_output( 135 netxbig_v2_gpio_hdd_power[i], 1); 136 /* Free the HDD power GPIOs. This allow user-space to 137 * configure them via the gpiolib sysfs interface. */ 138 gpio_free(netxbig_v2_gpio_hdd_power[i]); 139 } 140 if (err) 141 pr_err("netxbig_v2: failed to power up HDD%d\n", i + 1); 142 } 143} 144 145/***************************************************************************** 146 * GPIO keys 147 ****************************************************************************/ 148 149#define NETXBIG_V2_GPIO_SWITCH_POWER_ON 13 150#define NETXBIG_V2_GPIO_SWITCH_POWER_OFF 15 151#define NETXBIG_V2_GPIO_FUNC_BUTTON 34 152 153#define NETXBIG_V2_SWITCH_POWER_ON 0x1 154#define NETXBIG_V2_SWITCH_POWER_OFF 0x2 155 156static struct gpio_keys_button netxbig_v2_buttons[] = { 157 [0] = { 158 .type = EV_SW, 159 .code = NETXBIG_V2_SWITCH_POWER_ON, 160 .gpio = NETXBIG_V2_GPIO_SWITCH_POWER_ON, 161 .desc = "Back power switch (on|auto)", 162 .active_low = 1, 163 }, 164 [1] = { 165 .type = EV_SW, 166 .code = NETXBIG_V2_SWITCH_POWER_OFF, 167 .gpio = NETXBIG_V2_GPIO_SWITCH_POWER_OFF, 168 .desc = "Back power switch (auto|off)", 169 .active_low = 1, 170 }, 171 [2] = { 172 .code = KEY_OPTION, 173 .gpio = NETXBIG_V2_GPIO_FUNC_BUTTON, 174 .desc = "Function button", 175 .active_low = 1, 176 }, 177}; 178 179static struct gpio_keys_platform_data netxbig_v2_button_data = { 180 .buttons = netxbig_v2_buttons, 181 .nbuttons = ARRAY_SIZE(netxbig_v2_buttons), 182}; 183 184static struct platform_device netxbig_v2_gpio_buttons = { 185 .name = "gpio-keys", 186 .id = -1, 187 .dev = { 188 .platform_data = &netxbig_v2_button_data, 189 }, 190}; 191 192/***************************************************************************** 193 * GPIO LEDs 194 ****************************************************************************/ 195 196/* 197 * The LEDs are controlled by a CPLD and can be configured through a GPIO 198 * extension bus: 199 * 200 * - address register : bit [0-2] -> GPIO [47-49] 201 * - data register : bit [0-2] -> GPIO [44-46] 202 * - enable register : GPIO 29 203 * 204 * Address register selection: 205 * 206 * addr | register 207 * ---------------------------- 208 * 0 | front LED 209 * 1 | front LED brightness 210 * 2 | HDD LED brightness 211 * 3 | HDD1 LED 212 * 4 | HDD2 LED 213 * 5 | HDD3 LED 214 * 6 | HDD4 LED 215 * 7 | HDD5 LED 216 * 217 * Data register configuration: 218 * 219 * data | LED brightness 220 * ------------------------------------------------- 221 * 0 | min (off) 222 * - | - 223 * 7 | max 224 * 225 * data | front LED mode 226 * ------------------------------------------------- 227 * 0 | fix off 228 * 1 | fix blue on 229 * 2 | fix red on 230 * 3 | blink blue on=1 sec and blue off=1 sec 231 * 4 | blink red on=1 sec and red off=1 sec 232 * 5 | blink blue on=2.5 sec and red on=0.5 sec 233 * 6 | blink blue on=1 sec and red on=1 sec 234 * 7 | blink blue on=0.5 sec and blue off=2.5 sec 235 * 236 * data | HDD LED mode 237 * ------------------------------------------------- 238 * 0 | fix blue on 239 * 1 | SATA activity blink 240 * 2 | fix red on 241 * 3 | blink blue on=1 sec and blue off=1 sec 242 * 4 | blink red on=1 sec and red off=1 sec 243 * 5 | blink blue on=2.5 sec and red on=0.5 sec 244 * 6 | blink blue on=1 sec and red on=1 sec 245 * 7 | blink blue on=0.5 sec and blue off=2.5 sec 246 */ 247 248/***************************************************************************** 249 * Timer 250 ****************************************************************************/ 251 252static void netxbig_v2_timer_init(void) 253{ 254 kirkwood_tclk = 166666667; 255 orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk); 256} 257 258struct sys_timer netxbig_v2_timer = { 259 .init = netxbig_v2_timer_init, 260}; 261 262/***************************************************************************** 263 * General Setup 264 ****************************************************************************/ 265 266static unsigned int net2big_v2_mpp_config[] __initdata = { 267 MPP0_SPI_SCn, 268 MPP1_SPI_MOSI, 269 MPP2_SPI_SCK, 270 MPP3_SPI_MISO, 271 MPP6_SYSRST_OUTn, 272 MPP7_GPO, /* Request power-off */ 273 MPP8_TW0_SDA, 274 MPP9_TW0_SCK, 275 MPP10_UART0_TXD, 276 MPP11_UART0_RXD, 277 MPP13_GPIO, /* Rear power switch (on|auto) */ 278 MPP14_GPIO, /* USB fuse alarm */ 279 MPP15_GPIO, /* Rear power switch (auto|off) */ 280 MPP16_GPIO, /* SATA HDD1 power */ 281 MPP17_GPIO, /* SATA HDD2 power */ 282 MPP20_SATA1_ACTn, 283 MPP21_SATA0_ACTn, 284 MPP24_GPIO, /* USB mode select */ 285 MPP26_GPIO, /* USB device vbus */ 286 MPP28_GPIO, /* USB enable host vbus */ 287 MPP29_GPIO, /* CPLD extension ALE */ 288 MPP34_GPIO, /* Rear Push button */ 289 MPP35_GPIO, /* Inhibit switch power-off */ 290 MPP36_GPIO, /* SATA HDD1 presence */ 291 MPP37_GPIO, /* SATA HDD2 presence */ 292 MPP40_GPIO, /* eSATA presence */ 293 MPP44_GPIO, /* CPLD extension (data 0) */ 294 MPP45_GPIO, /* CPLD extension (data 1) */ 295 MPP46_GPIO, /* CPLD extension (data 2) */ 296 MPP47_GPIO, /* CPLD extension (addr 0) */ 297 MPP48_GPIO, /* CPLD extension (addr 1) */ 298 MPP49_GPIO, /* CPLD extension (addr 2) */ 299 0 300}; 301 302static unsigned int net5big_v2_mpp_config[] __initdata = { 303 MPP0_SPI_SCn, 304 MPP1_SPI_MOSI, 305 MPP2_SPI_SCK, 306 MPP3_SPI_MISO, 307 MPP6_SYSRST_OUTn, 308 MPP7_GPO, /* Request power-off */ 309 MPP8_TW0_SDA, 310 MPP9_TW0_SCK, 311 MPP10_UART0_TXD, 312 MPP11_UART0_RXD, 313 MPP13_GPIO, /* Rear power switch (on|auto) */ 314 MPP14_GPIO, /* USB fuse alarm */ 315 MPP15_GPIO, /* Rear power switch (auto|off) */ 316 MPP16_GPIO, /* SATA HDD1 power */ 317 MPP17_GPIO, /* SATA HDD2 power */ 318 MPP20_GE1_TXD0, 319 MPP21_GE1_TXD1, 320 MPP22_GE1_TXD2, 321 MPP23_GE1_TXD3, 322 MPP24_GE1_RXD0, 323 MPP25_GE1_RXD1, 324 MPP26_GE1_RXD2, 325 MPP27_GE1_RXD3, 326 MPP28_GPIO, /* USB enable host vbus */ 327 MPP29_GPIO, /* CPLD extension ALE */ 328 MPP30_GE1_RXCTL, 329 MPP31_GE1_RXCLK, 330 MPP32_GE1_TCLKOUT, 331 MPP33_GE1_TXCTL, 332 MPP34_GPIO, /* Rear Push button */ 333 MPP35_GPIO, /* Inhibit switch power-off */ 334 MPP36_GPIO, /* SATA HDD1 presence */ 335 MPP37_GPIO, /* SATA HDD2 presence */ 336 MPP38_GPIO, /* SATA HDD3 presence */ 337 MPP39_GPIO, /* SATA HDD4 presence */ 338 MPP40_GPIO, /* SATA HDD5 presence */ 339 MPP41_GPIO, /* SATA HDD3 power */ 340 MPP42_GPIO, /* SATA HDD4 power */ 341 MPP43_GPIO, /* SATA HDD5 power */ 342 MPP44_GPIO, /* CPLD extension (data 0) */ 343 MPP45_GPIO, /* CPLD extension (data 1) */ 344 MPP46_GPIO, /* CPLD extension (data 2) */ 345 MPP47_GPIO, /* CPLD extension (addr 0) */ 346 MPP48_GPIO, /* CPLD extension (addr 1) */ 347 MPP49_GPIO, /* CPLD extension (addr 2) */ 348 0 349}; 350 351#define NETXBIG_V2_GPIO_POWER_OFF 7 352 353static void netxbig_v2_power_off(void) 354{ 355 gpio_set_value(NETXBIG_V2_GPIO_POWER_OFF, 1); 356} 357 358static void __init netxbig_v2_init(void) 359{ 360 /* 361 * Basic setup. Needs to be called early. 362 */ 363 kirkwood_init(); 364 if (machine_is_net2big_v2()) 365 kirkwood_mpp_conf(net2big_v2_mpp_config); 366 else 367 kirkwood_mpp_conf(net5big_v2_mpp_config); 368 369 netxbig_v2_sata_power_init(); 370 371 kirkwood_ehci_init(); 372 kirkwood_ge00_init(&netxbig_v2_ge00_data); 373 if (machine_is_net5big_v2()) 374 kirkwood_ge01_init(&netxbig_v2_ge01_data); 375 kirkwood_sata_init(&netxbig_v2_sata_data); 376 kirkwood_uart0_init(); 377 spi_register_board_info(netxbig_v2_spi_slave_info, 378 ARRAY_SIZE(netxbig_v2_spi_slave_info)); 379 kirkwood_spi_init(); 380 kirkwood_i2c_init(); 381 i2c_register_board_info(0, netxbig_v2_i2c_info, 382 ARRAY_SIZE(netxbig_v2_i2c_info)); 383 384 platform_device_register(&netxbig_v2_gpio_buttons); 385 386 if (gpio_request(NETXBIG_V2_GPIO_POWER_OFF, "power-off") == 0 && 387 gpio_direction_output(NETXBIG_V2_GPIO_POWER_OFF, 0) == 0) 388 pm_power_off = netxbig_v2_power_off; 389 else 390 pr_err("netxbig_v2: failed to configure power-off GPIO\n"); 391} 392 393#ifdef CONFIG_MACH_NET2BIG_V2 394MACHINE_START(NET2BIG_V2, "LaCie 2Big Network v2") 395 .phys_io = KIRKWOOD_REGS_PHYS_BASE, 396 .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc, 397 .boot_params = 0x00000100, 398 .init_machine = netxbig_v2_init, 399 .map_io = kirkwood_map_io, 400 .init_irq = kirkwood_init_irq, 401 .timer = &netxbig_v2_timer, 402MACHINE_END 403#endif 404 405#ifdef CONFIG_MACH_NET5BIG_V2 406MACHINE_START(NET5BIG_V2, "LaCie 5Big Network v2") 407 .phys_io = KIRKWOOD_REGS_PHYS_BASE, 408 .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc, 409 .boot_params = 0x00000100, 410 .init_machine = netxbig_v2_init, 411 .map_io = kirkwood_map_io, 412 .init_irq = kirkwood_init_irq, 413 .timer = &netxbig_v2_timer, 414MACHINE_END 415#endif 416