1 /*
2 * Copyright (C) 2009 Integration Software and Electronic Engineering.
3 *
4 * Modified from mach-omap2/board-generic.c
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
14 #include <linux/delay.h>
15 #include <linux/err.h>
16 #include <linux/clk.h>
17 #include <linux/io.h>
18 #include <linux/gpio.h>
19 #include <linux/interrupt.h>
20 #include <linux/input.h>
21
22 #include <linux/regulator/machine.h>
23 #include <linux/regulator/fixed.h>
24 #include <linux/i2c/twl.h>
25 #include <linux/mmc/host.h>
26
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29
30 #include <plat/board.h>
31 #include "common.h"
32 #include <plat/gpmc.h>
33 #include <plat/usb.h>
34 #include <video/omapdss.h>
35 #include <video/omap-panel-dvi.h>
36 #include <plat/onenand.h>
37
38 #include "mux.h"
39 #include "hsmmc.h"
40 #include "sdram-numonyx-m65kxxxxam.h"
41 #include "common-board-devices.h"
42
43 #define IGEP2_SMSC911X_CS 5
44 #define IGEP2_SMSC911X_GPIO 176
45 #define IGEP2_GPIO_USBH_NRESET 24
46 #define IGEP2_GPIO_LED0_GREEN 26
47 #define IGEP2_GPIO_LED0_RED 27
48 #define IGEP2_GPIO_LED1_RED 28
49 #define IGEP2_GPIO_DVI_PUP 170
50
51 #define IGEP2_RB_GPIO_WIFI_NPD 94
52 #define IGEP2_RB_GPIO_WIFI_NRESET 95
53 #define IGEP2_RB_GPIO_BT_NRESET 137
54 #define IGEP2_RC_GPIO_WIFI_NPD 138
55 #define IGEP2_RC_GPIO_WIFI_NRESET 139
56 #define IGEP2_RC_GPIO_BT_NRESET 137
57
58 #define IGEP3_GPIO_LED0_GREEN 54
59 #define IGEP3_GPIO_LED0_RED 53
60 #define IGEP3_GPIO_LED1_RED 16
61 #define IGEP3_GPIO_USBH_NRESET 183
62
63 /*
64 * IGEP2 Hardware Revision Table
65 *
66 * --------------------------------------------------------------------------
67 * | Id. | Hw Rev. | HW0 (28) | WIFI_NPD | WIFI_NRESET | BT_NRESET |
68 * --------------------------------------------------------------------------
69 * | 0 | B | high | gpio94 | gpio95 | - |
70 * | 0 | B/C (B-compatible) | high | gpio94 | gpio95 | gpio137 |
71 * | 1 | C | low | gpio138 | gpio139 | gpio137 |
72 * --------------------------------------------------------------------------
73 */
74
75 #define IGEP2_BOARD_HWREV_B 0
76 #define IGEP2_BOARD_HWREV_C 1
77 #define IGEP3_BOARD_HWREV 2
78
79 static u8 hwrev;
80
igep2_get_revision(void)81 static void __init igep2_get_revision(void)
82 {
83 u8 ret;
84
85 if (machine_is_igep0030()) {
86 hwrev = IGEP3_BOARD_HWREV;
87 return;
88 }
89
90 omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT);
91
92 if (gpio_request_one(IGEP2_GPIO_LED1_RED, GPIOF_IN, "GPIO_HW0_REV")) {
93 pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
94 pr_err("IGEP2: Unknown Hardware Revision\n");
95 return;
96 }
97
98 ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
99 if (ret == 0) {
100 pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
101 hwrev = IGEP2_BOARD_HWREV_C;
102 } else if (ret == 1) {
103 pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
104 hwrev = IGEP2_BOARD_HWREV_B;
105 } else {
106 pr_err("IGEP2: Unknown Hardware Revision\n");
107 hwrev = -1;
108 }
109
110 gpio_free(IGEP2_GPIO_LED1_RED);
111 }
112
113 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
114 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
115
116 #define ONENAND_MAP 0x20000000
117
118 /* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
119 * Since the device is equipped with two DataRAMs, and two-plane NAND
120 * Flash memory array, these two component enables simultaneous program
121 * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
122 * while Plane2 has only odd blocks such as block1, block3, block5.
123 * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
124 */
125
126 static struct mtd_partition igep_onenand_partitions[] = {
127 {
128 .name = "X-Loader",
129 .offset = 0,
130 .size = 2 * (64*(2*2048))
131 },
132 {
133 .name = "U-Boot",
134 .offset = MTDPART_OFS_APPEND,
135 .size = 6 * (64*(2*2048)),
136 },
137 {
138 .name = "Environment",
139 .offset = MTDPART_OFS_APPEND,
140 .size = 2 * (64*(2*2048)),
141 },
142 {
143 .name = "Kernel",
144 .offset = MTDPART_OFS_APPEND,
145 .size = 12 * (64*(2*2048)),
146 },
147 {
148 .name = "File System",
149 .offset = MTDPART_OFS_APPEND,
150 .size = MTDPART_SIZ_FULL,
151 },
152 };
153
154 static struct omap_onenand_platform_data igep_onenand_data = {
155 .parts = igep_onenand_partitions,
156 .nr_parts = ARRAY_SIZE(igep_onenand_partitions),
157 .dma_channel = -1, /* disable DMA in OMAP OneNAND driver */
158 };
159
160 static struct platform_device igep_onenand_device = {
161 .name = "omap2-onenand",
162 .id = -1,
163 .dev = {
164 .platform_data = &igep_onenand_data,
165 },
166 };
167
igep_flash_init(void)168 static void __init igep_flash_init(void)
169 {
170 u8 cs = 0;
171 u8 onenandcs = GPMC_CS_NUM + 1;
172
173 for (cs = 0; cs < GPMC_CS_NUM; cs++) {
174 u32 ret;
175 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
176
177 /* Check if NAND/oneNAND is configured */
178 if ((ret & 0xC00) == 0x800)
179 /* NAND found */
180 pr_err("IGEP: Unsupported NAND found\n");
181 else {
182 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
183 if ((ret & 0x3F) == (ONENAND_MAP >> 24))
184 /* ONENAND found */
185 onenandcs = cs;
186 }
187 }
188
189 if (onenandcs > GPMC_CS_NUM) {
190 pr_err("IGEP: Unable to find configuration in GPMC\n");
191 return;
192 }
193
194 igep_onenand_data.cs = onenandcs;
195
196 if (platform_device_register(&igep_onenand_device) < 0)
197 pr_err("IGEP: Unable to register OneNAND device\n");
198 }
199
200 #else
igep_flash_init(void)201 static void __init igep_flash_init(void) {}
202 #endif
203
204 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
205
206 #include <linux/smsc911x.h>
207 #include <plat/gpmc-smsc911x.h>
208
209 static struct omap_smsc911x_platform_data smsc911x_cfg = {
210 .cs = IGEP2_SMSC911X_CS,
211 .gpio_irq = IGEP2_SMSC911X_GPIO,
212 .gpio_reset = -EINVAL,
213 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
214 };
215
igep2_init_smsc911x(void)216 static inline void __init igep2_init_smsc911x(void)
217 {
218 gpmc_smsc911x_init(&smsc911x_cfg);
219 }
220
221 #else
igep2_init_smsc911x(void)222 static inline void __init igep2_init_smsc911x(void) { }
223 #endif
224
225 static struct regulator_consumer_supply igep_vmmc1_supply[] = {
226 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
227 };
228
229 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
230 static struct regulator_init_data igep_vmmc1 = {
231 .constraints = {
232 .min_uV = 1850000,
233 .max_uV = 3150000,
234 .valid_modes_mask = REGULATOR_MODE_NORMAL
235 | REGULATOR_MODE_STANDBY,
236 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
237 | REGULATOR_CHANGE_MODE
238 | REGULATOR_CHANGE_STATUS,
239 },
240 .num_consumer_supplies = ARRAY_SIZE(igep_vmmc1_supply),
241 .consumer_supplies = igep_vmmc1_supply,
242 };
243
244 static struct regulator_consumer_supply igep_vio_supply[] = {
245 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.1"),
246 };
247
248 static struct regulator_init_data igep_vio = {
249 .constraints = {
250 .min_uV = 1800000,
251 .max_uV = 1800000,
252 .apply_uV = 1,
253 .valid_modes_mask = REGULATOR_MODE_NORMAL
254 | REGULATOR_MODE_STANDBY,
255 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
256 | REGULATOR_CHANGE_MODE
257 | REGULATOR_CHANGE_STATUS,
258 },
259 .num_consumer_supplies = ARRAY_SIZE(igep_vio_supply),
260 .consumer_supplies = igep_vio_supply,
261 };
262
263 static struct regulator_consumer_supply igep_vmmc2_supply[] = {
264 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
265 };
266
267 static struct regulator_init_data igep_vmmc2 = {
268 .constraints = {
269 .valid_modes_mask = REGULATOR_MODE_NORMAL,
270 .always_on = 1,
271 },
272 .num_consumer_supplies = ARRAY_SIZE(igep_vmmc2_supply),
273 .consumer_supplies = igep_vmmc2_supply,
274 };
275
276 static struct fixed_voltage_config igep_vwlan = {
277 .supply_name = "vwlan",
278 .microvolts = 3300000,
279 .gpio = -EINVAL,
280 .enabled_at_boot = 1,
281 .init_data = &igep_vmmc2,
282 };
283
284 static struct platform_device igep_vwlan_device = {
285 .name = "reg-fixed-voltage",
286 .id = 0,
287 .dev = {
288 .platform_data = &igep_vwlan,
289 },
290 };
291
292 static struct omap2_hsmmc_info mmc[] = {
293 {
294 .mmc = 1,
295 .caps = MMC_CAP_4_BIT_DATA,
296 .gpio_cd = -EINVAL,
297 .gpio_wp = -EINVAL,
298 },
299 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
300 {
301 .mmc = 2,
302 .caps = MMC_CAP_4_BIT_DATA,
303 .gpio_cd = -EINVAL,
304 .gpio_wp = -EINVAL,
305 },
306 #endif
307 {} /* Terminator */
308 };
309
310 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
311 #include <linux/leds.h>
312
313 static struct gpio_led igep_gpio_leds[] = {
314 [0] = {
315 .name = "gpio-led:red:d0",
316 .default_trigger = "default-off"
317 },
318 [1] = {
319 .name = "gpio-led:green:d0",
320 .default_trigger = "default-off",
321 },
322 [2] = {
323 .name = "gpio-led:red:d1",
324 .default_trigger = "default-off",
325 },
326 [3] = {
327 .name = "gpio-led:green:d1",
328 .default_trigger = "heartbeat",
329 .gpio = -EINVAL, /* gets replaced */
330 .active_low = 1,
331 },
332 };
333
334 static struct gpio_led_platform_data igep_led_pdata = {
335 .leds = igep_gpio_leds,
336 .num_leds = ARRAY_SIZE(igep_gpio_leds),
337 };
338
339 static struct platform_device igep_led_device = {
340 .name = "leds-gpio",
341 .id = -1,
342 .dev = {
343 .platform_data = &igep_led_pdata,
344 },
345 };
346
igep_leds_init(void)347 static void __init igep_leds_init(void)
348 {
349 if (machine_is_igep0020()) {
350 igep_gpio_leds[0].gpio = IGEP2_GPIO_LED0_RED;
351 igep_gpio_leds[1].gpio = IGEP2_GPIO_LED0_GREEN;
352 igep_gpio_leds[2].gpio = IGEP2_GPIO_LED1_RED;
353 } else {
354 igep_gpio_leds[0].gpio = IGEP3_GPIO_LED0_RED;
355 igep_gpio_leds[1].gpio = IGEP3_GPIO_LED0_GREEN;
356 igep_gpio_leds[2].gpio = IGEP3_GPIO_LED1_RED;
357 }
358
359 platform_device_register(&igep_led_device);
360 }
361
362 #else
363 static struct gpio igep_gpio_leds[] __initdata = {
364 { -EINVAL, GPIOF_OUT_INIT_LOW, "gpio-led:red:d0" },
365 { -EINVAL, GPIOF_OUT_INIT_LOW, "gpio-led:green:d0" },
366 { -EINVAL, GPIOF_OUT_INIT_LOW, "gpio-led:red:d1" },
367 };
368
igep_leds_init(void)369 static inline void igep_leds_init(void)
370 {
371 int i;
372
373 if (machine_is_igep0020()) {
374 igep_gpio_leds[0].gpio = IGEP2_GPIO_LED0_RED;
375 igep_gpio_leds[1].gpio = IGEP2_GPIO_LED0_GREEN;
376 igep_gpio_leds[2].gpio = IGEP2_GPIO_LED1_RED;
377 } else {
378 igep_gpio_leds[0].gpio = IGEP3_GPIO_LED0_RED;
379 igep_gpio_leds[1].gpio = IGEP3_GPIO_LED0_GREEN;
380 igep_gpio_leds[2].gpio = IGEP3_GPIO_LED1_RED;
381 }
382
383 if (gpio_request_array(igep_gpio_leds, ARRAY_SIZE(igep_gpio_leds))) {
384 pr_warning("IGEP v2: Could not obtain leds gpios\n");
385 return;
386 }
387
388 for (i = 0; i < ARRAY_SIZE(igep_gpio_leds); i++)
389 gpio_export(igep_gpio_leds[i].gpio, 0);
390 }
391 #endif
392
393 static struct gpio igep2_twl_gpios[] = {
394 { -EINVAL, GPIOF_IN, "GPIO_EHCI_NOC" },
395 { -EINVAL, GPIOF_OUT_INIT_LOW, "GPIO_USBH_CPEN" },
396 };
397
igep_twl_gpio_setup(struct device * dev,unsigned gpio,unsigned ngpio)398 static int igep_twl_gpio_setup(struct device *dev,
399 unsigned gpio, unsigned ngpio)
400 {
401 int ret;
402
403 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
404 mmc[0].gpio_cd = gpio + 0;
405 omap2_hsmmc_init(mmc);
406
407 /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
408 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
409 ret = gpio_request_one(gpio + TWL4030_GPIO_MAX + 1, GPIOF_OUT_INIT_HIGH,
410 "gpio-led:green:d1");
411 if (ret == 0)
412 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
413 else
414 pr_warning("IGEP: Could not obtain gpio GPIO_LED1_GREEN\n");
415 #else
416 igep_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
417 #endif
418
419 if (machine_is_igep0030())
420 return 0;
421
422 /*
423 * REVISIT: need ehci-omap hooks for external VBUS
424 * power switch and overcurrent detect
425 */
426 igep2_twl_gpios[0].gpio = gpio + 1;
427
428 /* TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN (out, active low) */
429 igep2_twl_gpios[1].gpio = gpio + TWL4030_GPIO_MAX;
430
431 ret = gpio_request_array(igep2_twl_gpios, ARRAY_SIZE(igep2_twl_gpios));
432 if (ret < 0)
433 pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
434
435 return 0;
436 };
437
438 static struct twl4030_gpio_platform_data igep_twl4030_gpio_pdata = {
439 .gpio_base = OMAP_MAX_GPIO_LINES,
440 .irq_base = TWL4030_GPIO_IRQ_BASE,
441 .irq_end = TWL4030_GPIO_IRQ_END,
442 .use_leds = true,
443 .setup = igep_twl_gpio_setup,
444 };
445
igep2_enable_dvi(struct omap_dss_device * dssdev)446 static int igep2_enable_dvi(struct omap_dss_device *dssdev)
447 {
448 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1);
449
450 return 0;
451 }
452
igep2_disable_dvi(struct omap_dss_device * dssdev)453 static void igep2_disable_dvi(struct omap_dss_device *dssdev)
454 {
455 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 0);
456 }
457
458 static struct panel_dvi_platform_data dvi_panel = {
459 .platform_enable = igep2_enable_dvi,
460 .platform_disable = igep2_disable_dvi,
461 .i2c_bus_num = 3,
462 };
463
464 static struct omap_dss_device igep2_dvi_device = {
465 .type = OMAP_DISPLAY_TYPE_DPI,
466 .name = "dvi",
467 .driver_name = "dvi",
468 .data = &dvi_panel,
469 .phy.dpi.data_lines = 24,
470 };
471
472 static struct omap_dss_device *igep2_dss_devices[] = {
473 &igep2_dvi_device
474 };
475
476 static struct omap_dss_board_info igep2_dss_data = {
477 .num_devices = ARRAY_SIZE(igep2_dss_devices),
478 .devices = igep2_dss_devices,
479 .default_device = &igep2_dvi_device,
480 };
481
igep2_display_init(void)482 static void __init igep2_display_init(void)
483 {
484 int err = gpio_request_one(IGEP2_GPIO_DVI_PUP, GPIOF_OUT_INIT_HIGH,
485 "GPIO_DVI_PUP");
486 if (err)
487 pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
488 }
489
490 static struct platform_device *igep_devices[] __initdata = {
491 &igep_vwlan_device,
492 };
493
494 static int igep2_keymap[] = {
495 KEY(0, 0, KEY_LEFT),
496 KEY(0, 1, KEY_RIGHT),
497 KEY(0, 2, KEY_A),
498 KEY(0, 3, KEY_B),
499 KEY(1, 0, KEY_DOWN),
500 KEY(1, 1, KEY_UP),
501 KEY(1, 2, KEY_E),
502 KEY(1, 3, KEY_F),
503 KEY(2, 0, KEY_ENTER),
504 KEY(2, 1, KEY_I),
505 KEY(2, 2, KEY_J),
506 KEY(2, 3, KEY_K),
507 KEY(3, 0, KEY_M),
508 KEY(3, 1, KEY_N),
509 KEY(3, 2, KEY_O),
510 KEY(3, 3, KEY_P)
511 };
512
513 static struct matrix_keymap_data igep2_keymap_data = {
514 .keymap = igep2_keymap,
515 .keymap_size = ARRAY_SIZE(igep2_keymap),
516 };
517
518 static struct twl4030_keypad_data igep2_keypad_pdata = {
519 .keymap_data = &igep2_keymap_data,
520 .rows = 4,
521 .cols = 4,
522 .rep = 1,
523 };
524
525 static struct twl4030_platform_data igep_twldata = {
526 /* platform_data for children goes here */
527 .gpio = &igep_twl4030_gpio_pdata,
528 .vmmc1 = &igep_vmmc1,
529 .vio = &igep_vio,
530 };
531
532 static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {
533 {
534 I2C_BOARD_INFO("eeprom", 0x50),
535 },
536 };
537
igep_i2c_init(void)538 static void __init igep_i2c_init(void)
539 {
540 int ret;
541
542 omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_USB, 0);
543
544 if (machine_is_igep0020()) {
545 /*
546 * Bus 3 is attached to the DVI port where devices like the
547 * pico DLP projector don't work reliably with 400kHz
548 */
549 ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,
550 ARRAY_SIZE(igep2_i2c3_boardinfo));
551 if (ret)
552 pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);
553
554 igep_twldata.keypad = &igep2_keypad_pdata;
555 /* Get common pmic data */
556 omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_AUDIO,
557 TWL_COMMON_REGULATOR_VPLL2);
558 igep_twldata.vpll2->constraints.apply_uV = true;
559 igep_twldata.vpll2->constraints.name = "VDVI";
560 }
561
562 omap3_pmic_init("twl4030", &igep_twldata);
563 }
564
565 static const struct usbhs_omap_board_data igep2_usbhs_bdata __initconst = {
566 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
567 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
568 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
569
570 .phy_reset = true,
571 .reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET,
572 .reset_gpio_port[1] = -EINVAL,
573 .reset_gpio_port[2] = -EINVAL,
574 };
575
576 static const struct usbhs_omap_board_data igep3_usbhs_bdata __initconst = {
577 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
578 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
579 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
580
581 .phy_reset = true,
582 .reset_gpio_port[0] = -EINVAL,
583 .reset_gpio_port[1] = IGEP3_GPIO_USBH_NRESET,
584 .reset_gpio_port[2] = -EINVAL,
585 };
586
587 #ifdef CONFIG_OMAP_MUX
588 static struct omap_board_mux board_mux[] __initdata = {
589 { .reg_offset = OMAP_MUX_TERMINATOR },
590 };
591 #endif
592
593 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
594 static struct gpio igep_wlan_bt_gpios[] __initdata = {
595 { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NPD" },
596 { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NRESET" },
597 { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_BT_NRESET" },
598 };
599
igep_wlan_bt_init(void)600 static void __init igep_wlan_bt_init(void)
601 {
602 int err;
603
604 /* GPIO's for WLAN-BT combo depends on hardware revision */
605 if (hwrev == IGEP2_BOARD_HWREV_B) {
606 igep_wlan_bt_gpios[0].gpio = IGEP2_RB_GPIO_WIFI_NPD;
607 igep_wlan_bt_gpios[1].gpio = IGEP2_RB_GPIO_WIFI_NRESET;
608 igep_wlan_bt_gpios[2].gpio = IGEP2_RB_GPIO_BT_NRESET;
609 } else if (hwrev == IGEP2_BOARD_HWREV_C || machine_is_igep0030()) {
610 igep_wlan_bt_gpios[0].gpio = IGEP2_RC_GPIO_WIFI_NPD;
611 igep_wlan_bt_gpios[1].gpio = IGEP2_RC_GPIO_WIFI_NRESET;
612 igep_wlan_bt_gpios[2].gpio = IGEP2_RC_GPIO_BT_NRESET;
613 } else
614 return;
615
616 err = gpio_request_array(igep_wlan_bt_gpios,
617 ARRAY_SIZE(igep_wlan_bt_gpios));
618 if (err) {
619 pr_warning("IGEP2: Could not obtain WIFI/BT gpios\n");
620 return;
621 }
622
623 gpio_export(igep_wlan_bt_gpios[0].gpio, 0);
624 gpio_export(igep_wlan_bt_gpios[1].gpio, 0);
625 gpio_export(igep_wlan_bt_gpios[2].gpio, 0);
626
627 gpio_set_value(igep_wlan_bt_gpios[1].gpio, 0);
628 udelay(10);
629 gpio_set_value(igep_wlan_bt_gpios[1].gpio, 1);
630
631 }
632 #else
igep_wlan_bt_init(void)633 static inline void __init igep_wlan_bt_init(void) { }
634 #endif
635
igep_init(void)636 static void __init igep_init(void)
637 {
638 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
639
640 /* Get IGEP2 hardware revision */
641 igep2_get_revision();
642 /* Register I2C busses and drivers */
643 igep_i2c_init();
644 platform_add_devices(igep_devices, ARRAY_SIZE(igep_devices));
645 omap_serial_init();
646 omap_sdrc_init(m65kxxxxam_sdrc_params,
647 m65kxxxxam_sdrc_params);
648 usb_musb_init(NULL);
649
650 igep_flash_init();
651 igep_leds_init();
652
653 /*
654 * WLAN-BT combo module from MuRata which has a Marvell WLAN
655 * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
656 */
657 igep_wlan_bt_init();
658
659 if (machine_is_igep0020()) {
660 omap_display_init(&igep2_dss_data);
661 igep2_display_init();
662 igep2_init_smsc911x();
663 usbhs_init(&igep2_usbhs_bdata);
664 } else {
665 usbhs_init(&igep3_usbhs_bdata);
666 }
667 }
668
669 MACHINE_START(IGEP0020, "IGEP v2 board")
670 .atag_offset = 0x100,
671 .reserve = omap_reserve,
672 .map_io = omap3_map_io,
673 .init_early = omap35xx_init_early,
674 .init_irq = omap3_init_irq,
675 .handle_irq = omap3_intc_handle_irq,
676 .init_machine = igep_init,
677 .timer = &omap3_timer,
678 .restart = omap_prcm_restart,
679 MACHINE_END
680
681 MACHINE_START(IGEP0030, "IGEP OMAP3 module")
682 .atag_offset = 0x100,
683 .reserve = omap_reserve,
684 .map_io = omap3_map_io,
685 .init_early = omap35xx_init_early,
686 .init_irq = omap3_init_irq,
687 .handle_irq = omap3_intc_handle_irq,
688 .init_machine = igep_init,
689 .timer = &omap3_timer,
690 .restart = omap_prcm_restart,
691 MACHINE_END
692