projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
omap: use common initialization for PMIC i2c bus
[deliverable/linux.git] / arch / arm / mach-omap2 / board-omap3beagle.c
1 /*
2 * linux/arch/arm/mach-omap2/board-omap3beagle.c
3 *
4 * Copyright (C) 2008 Texas Instruments
5 *
6 * Modified from mach-omap2/board-3430sdp.c
7 *
8 * Initial code: Syed Mohammed Khasim
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/err.h>
20 #include <linux/clk.h>
21 #include <linux/io.h>
22 #include <linux/leds.h>
23 #include <linux/gpio.h>
24 #include <linux/input.h>
25 #include <linux/gpio_keys.h>
26 #include <linux/opp.h>
27
28 #include <linux/mtd/mtd.h>
29 #include <linux/mtd/partitions.h>
30 #include <linux/mtd/nand.h>
31 #include <linux/mmc/host.h>
32
33 #include <linux/regulator/machine.h>
34 #include <linux/i2c/twl.h>
35
36 #include <mach/hardware.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 #include <asm/mach/flash.h>
41
42 #include <plat/board.h>
43 #include <plat/common.h>
44 #include <plat/display.h>
45 #include <plat/panel-generic-dpi.h>
46 #include <plat/gpmc.h>
47 #include <plat/nand.h>
48 #include <plat/usb.h>
49 #include <plat/omap_device.h>
50
51 #include "mux.h"
52 #include "hsmmc.h"
53 #include "timer-gp.h"
54 #include "pm.h"
55 #include "common-board-devices.h"
56
57 #define NAND_BLOCK_SIZE SZ_128K
58
59 /*
60 * OMAP3 Beagle revision
61 * Run time detection of Beagle revision is done by reading GPIO.
62 * GPIO ID -
63 * AXBX = GPIO173, GPIO172, GPIO171: 1 1 1
64 * C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0
65 * C4 = GPIO173, GPIO172, GPIO171: 1 0 1
66 * XM = GPIO173, GPIO172, GPIO171: 0 0 0
67 */
68 enum {
69 OMAP3BEAGLE_BOARD_UNKN = 0,
70 OMAP3BEAGLE_BOARD_AXBX,
71 OMAP3BEAGLE_BOARD_C1_3,
72 OMAP3BEAGLE_BOARD_C4,
73 OMAP3BEAGLE_BOARD_XM,
74 };
75
76 static u8 omap3_beagle_version;
77
78 static u8 omap3_beagle_get_rev(void)
79 {
80 return omap3_beagle_version;
81 }
82
83 static void __init omap3_beagle_init_rev(void)
84 {
85 int ret;
86 u16 beagle_rev = 0;
87
88 omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
89 omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
90 omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
91
92 ret = gpio_request(171, "rev_id_0");
93 if (ret < 0)
94 goto fail0;
95
96 ret = gpio_request(172, "rev_id_1");
97 if (ret < 0)
98 goto fail1;
99
100 ret = gpio_request(173, "rev_id_2");
101 if (ret < 0)
102 goto fail2;
103
104 gpio_direction_input(171);
105 gpio_direction_input(172);
106 gpio_direction_input(173);
107
108 beagle_rev = gpio_get_value(171) | (gpio_get_value(172) << 1)
109 | (gpio_get_value(173) << 2);
110
111 switch (beagle_rev) {
112 case 7:
113 printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
114 omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
115 break;
116 case 6:
117 printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
118 omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
119 break;
120 case 5:
121 printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
122 omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
123 break;
124 case 0:
125 printk(KERN_INFO "OMAP3 Beagle Rev: xM\n");
126 omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
127 break;
128 default:
129 printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
130 omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
131 }
132
133 return;
134
135 fail2:
136 gpio_free(172);
137 fail1:
138 gpio_free(171);
139 fail0:
140 printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
141 omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
142
143 return;
144 }
145
146 static struct mtd_partition omap3beagle_nand_partitions[] = {
147 /* All the partition sizes are listed in terms of NAND block size */
148 {
149 .name = "X-Loader",
150 .offset = 0,
151 .size = 4 * NAND_BLOCK_SIZE,
152 .mask_flags = MTD_WRITEABLE, /* force read-only */
153 },
154 {
155 .name = "U-Boot",
156 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
157 .size = 15 * NAND_BLOCK_SIZE,
158 .mask_flags = MTD_WRITEABLE, /* force read-only */
159 },
160 {
161 .name = "U-Boot Env",
162 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
163 .size = 1 * NAND_BLOCK_SIZE,
164 },
165 {
166 .name = "Kernel",
167 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
168 .size = 32 * NAND_BLOCK_SIZE,
169 },
170 {
171 .name = "File System",
172 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
173 .size = MTDPART_SIZ_FULL,
174 },
175 };
176
177 static struct omap_nand_platform_data omap3beagle_nand_data = {
178 .options = NAND_BUSWIDTH_16,
179 .parts = omap3beagle_nand_partitions,
180 .nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions),
181 .dma_channel = -1, /* disable DMA in OMAP NAND driver */
182 .nand_setup = NULL,
183 .dev_ready = NULL,
184 };
185
186 /* DSS */
187
188 static int beagle_enable_dvi(struct omap_dss_device *dssdev)
189 {
190 if (gpio_is_valid(dssdev->reset_gpio))
191 gpio_set_value(dssdev->reset_gpio, 1);
192
193 return 0;
194 }
195
196 static void beagle_disable_dvi(struct omap_dss_device *dssdev)
197 {
198 if (gpio_is_valid(dssdev->reset_gpio))
199 gpio_set_value(dssdev->reset_gpio, 0);
200 }
201
202 static struct panel_generic_dpi_data dvi_panel = {
203 .name = "generic",
204 .platform_enable = beagle_enable_dvi,
205 .platform_disable = beagle_disable_dvi,
206 };
207
208 static struct omap_dss_device beagle_dvi_device = {
209 .type = OMAP_DISPLAY_TYPE_DPI,
210 .name = "dvi",
211 .driver_name = "generic_dpi_panel",
212 .data = &dvi_panel,
213 .phy.dpi.data_lines = 24,
214 .reset_gpio = -EINVAL,
215 };
216
217 static struct omap_dss_device beagle_tv_device = {
218 .name = "tv",
219 .driver_name = "venc",
220 .type = OMAP_DISPLAY_TYPE_VENC,
221 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
222 };
223
224 static struct omap_dss_device *beagle_dss_devices[] = {
225 &beagle_dvi_device,
226 &beagle_tv_device,
227 };
228
229 static struct omap_dss_board_info beagle_dss_data = {
230 .num_devices = ARRAY_SIZE(beagle_dss_devices),
231 .devices = beagle_dss_devices,
232 .default_device = &beagle_dvi_device,
233 };
234
235 static struct regulator_consumer_supply beagle_vdac_supply =
236 REGULATOR_SUPPLY("vdda_dac", "omapdss_venc");
237
238 static struct regulator_consumer_supply beagle_vdvi_supplies[] = {
239 REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
240 REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
241 };
242
243 static void __init beagle_display_init(void)
244 {
245 int r;
246
247 r = gpio_request(beagle_dvi_device.reset_gpio, "DVI reset");
248 if (r < 0) {
249 printk(KERN_ERR "Unable to get DVI reset GPIO\n");
250 return;
251 }
252
253 gpio_direction_output(beagle_dvi_device.reset_gpio, 0);
254 }
255
256 #include "sdram-micron-mt46h32m32lf-6.h"
257
258 static struct omap2_hsmmc_info mmc[] = {
259 {
260 .mmc = 1,
261 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
262 .gpio_wp = 29,
263 },
264 {} /* Terminator */
265 };
266
267 static struct regulator_consumer_supply beagle_vmmc1_supply = {
268 .supply = "vmmc",
269 };
270
271 static struct regulator_consumer_supply beagle_vsim_supply = {
272 .supply = "vmmc_aux",
273 };
274
275 static struct gpio_led gpio_leds[];
276
277 static int beagle_twl_gpio_setup(struct device *dev,
278 unsigned gpio, unsigned ngpio)
279 {
280 int r;
281
282 if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
283 mmc[0].gpio_wp = -EINVAL;
284 } else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) ||
285 (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C4)) {
286 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
287 mmc[0].gpio_wp = 23;
288 } else {
289 omap_mux_init_gpio(29, OMAP_PIN_INPUT);
290 }
291 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
292 mmc[0].gpio_cd = gpio + 0;
293 omap2_hsmmc_init(mmc);
294
295 /* link regulators to MMC adapters */
296 beagle_vmmc1_supply.dev = mmc[0].dev;
297 beagle_vsim_supply.dev = mmc[0].dev;
298
299 /* REVISIT: need ehci-omap hooks for external VBUS
300 * power switch and overcurrent detect
301 */
302 if (omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XM) {
303 r = gpio_request(gpio + 1, "EHCI_nOC");
304 if (!r) {
305 r = gpio_direction_input(gpio + 1);
306 if (r)
307 gpio_free(gpio + 1);
308 }
309 if (r)
310 pr_err("%s: unable to configure EHCI_nOC\n", __func__);
311 }
312
313 /*
314 * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
315 * high / others active low)
316 */
317 gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
318 if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
319 gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
320 else
321 gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
322
323 /* DVI reset GPIO is different between beagle revisions */
324 if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
325 beagle_dvi_device.reset_gpio = 129;
326 else
327 beagle_dvi_device.reset_gpio = 170;
328
329 /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
330 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
331
332 /*
333 * gpio + 1 on Xm controls the TFP410's enable line (active low)
334 * gpio + 2 control varies depending on the board rev as follows:
335 * P7/P8 revisions(prototype): Camera EN
336 * A2+ revisions (production): LDO (supplies DVI, serial, led blocks)
337 */
338 if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
339 r = gpio_request(gpio + 1, "nDVI_PWR_EN");
340 if (!r) {
341 r = gpio_direction_output(gpio + 1, 0);
342 if (r)
343 gpio_free(gpio + 1);
344 }
345 if (r)
346 pr_err("%s: unable to configure nDVI_PWR_EN\n",
347 __func__);
348 r = gpio_request(gpio + 2, "DVI_LDO_EN");
349 if (!r) {
350 r = gpio_direction_output(gpio + 2, 1);
351 if (r)
352 gpio_free(gpio + 2);
353 }
354 if (r)
355 pr_err("%s: unable to configure DVI_LDO_EN\n",
356 __func__);
357 }
358
359 return 0;
360 }
361
362 static struct twl4030_gpio_platform_data beagle_gpio_data = {
363 .gpio_base = OMAP_MAX_GPIO_LINES,
364 .irq_base = TWL4030_GPIO_IRQ_BASE,
365 .irq_end = TWL4030_GPIO_IRQ_END,
366 .use_leds = true,
367 .pullups = BIT(1),
368 .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
369 | BIT(15) | BIT(16) | BIT(17),
370 .setup = beagle_twl_gpio_setup,
371 };
372
373 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
374 static struct regulator_init_data beagle_vmmc1 = {
375 .constraints = {
376 .min_uV = 1850000,
377 .max_uV = 3150000,
378 .valid_modes_mask = REGULATOR_MODE_NORMAL
379 | REGULATOR_MODE_STANDBY,
380 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
381 | REGULATOR_CHANGE_MODE
382 | REGULATOR_CHANGE_STATUS,
383 },
384 .num_consumer_supplies = 1,
385 .consumer_supplies = &beagle_vmmc1_supply,
386 };
387
388 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
389 static struct regulator_init_data beagle_vsim = {
390 .constraints = {
391 .min_uV = 1800000,
392 .max_uV = 3000000,
393 .valid_modes_mask = REGULATOR_MODE_NORMAL
394 | REGULATOR_MODE_STANDBY,
395 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
396 | REGULATOR_CHANGE_MODE
397 | REGULATOR_CHANGE_STATUS,
398 },
399 .num_consumer_supplies = 1,
400 .consumer_supplies = &beagle_vsim_supply,
401 };
402
403 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
404 static struct regulator_init_data beagle_vdac = {
405 .constraints = {
406 .min_uV = 1800000,
407 .max_uV = 1800000,
408 .valid_modes_mask = REGULATOR_MODE_NORMAL
409 | REGULATOR_MODE_STANDBY,
410 .valid_ops_mask = REGULATOR_CHANGE_MODE
411 | REGULATOR_CHANGE_STATUS,
412 },
413 .num_consumer_supplies = 1,
414 .consumer_supplies = &beagle_vdac_supply,
415 };
416
417 /* VPLL2 for digital video outputs */
418 static struct regulator_init_data beagle_vpll2 = {
419 .constraints = {
420 .name = "VDVI",
421 .min_uV = 1800000,
422 .max_uV = 1800000,
423 .valid_modes_mask = REGULATOR_MODE_NORMAL
424 | REGULATOR_MODE_STANDBY,
425 .valid_ops_mask = REGULATOR_CHANGE_MODE
426 | REGULATOR_CHANGE_STATUS,
427 },
428 .num_consumer_supplies = ARRAY_SIZE(beagle_vdvi_supplies),
429 .consumer_supplies = beagle_vdvi_supplies,
430 };
431
432 static struct twl4030_usb_data beagle_usb_data = {
433 .usb_mode = T2_USB_MODE_ULPI,
434 };
435
436 static struct twl4030_codec_audio_data beagle_audio_data;
437
438 static struct twl4030_codec_data beagle_codec_data = {
439 .audio_mclk = 26000000,
440 .audio = &beagle_audio_data,
441 };
442
443 static struct twl4030_platform_data beagle_twldata = {
444 .irq_base = TWL4030_IRQ_BASE,
445 .irq_end = TWL4030_IRQ_END,
446
447 /* platform_data for children goes here */
448 .usb = &beagle_usb_data,
449 .gpio = &beagle_gpio_data,
450 .codec = &beagle_codec_data,
451 .vmmc1 = &beagle_vmmc1,
452 .vsim = &beagle_vsim,
453 .vdac = &beagle_vdac,
454 .vpll2 = &beagle_vpll2,
455 };
456
457 static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
458 {
459 I2C_BOARD_INFO("eeprom", 0x50),
460 },
461 };
462
463 static int __init omap3_beagle_i2c_init(void)
464 {
465 omap3_pmic_init("twl4030", &beagle_twldata);
466 /* Bus 3 is attached to the DVI port where devices like the pico DLP
467 * projector don't work reliably with 400kHz */
468 omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
469 return 0;
470 }
471
472 static struct gpio_led gpio_leds[] = {
473 {
474 .name = "beagleboard::usr0",
475 .default_trigger = "heartbeat",
476 .gpio = 150,
477 },
478 {
479 .name = "beagleboard::usr1",
480 .default_trigger = "mmc0",
481 .gpio = 149,
482 },
483 {
484 .name = "beagleboard::pmu_stat",
485 .gpio = -EINVAL, /* gets replaced */
486 .active_low = true,
487 },
488 };
489
490 static struct gpio_led_platform_data gpio_led_info = {
491 .leds = gpio_leds,
492 .num_leds = ARRAY_SIZE(gpio_leds),
493 };
494
495 static struct platform_device leds_gpio = {
496 .name = "leds-gpio",
497 .id = -1,
498 .dev = {
499 .platform_data = &gpio_led_info,
500 },
501 };
502
503 static struct gpio_keys_button gpio_buttons[] = {
504 {
505 .code = BTN_EXTRA,
506 .gpio = 7,
507 .desc = "user",
508 .wakeup = 1,
509 },
510 };
511
512 static struct gpio_keys_platform_data gpio_key_info = {
513 .buttons = gpio_buttons,
514 .nbuttons = ARRAY_SIZE(gpio_buttons),
515 };
516
517 static struct platform_device keys_gpio = {
518 .name = "gpio-keys",
519 .id = -1,
520 .dev = {
521 .platform_data = &gpio_key_info,
522 },
523 };
524
525 static void __init omap3_beagle_init_early(void)
526 {
527 omap2_init_common_infrastructure();
528 omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
529 mt46h32m32lf6_sdrc_params);
530 }
531
532 static void __init omap3_beagle_init_irq(void)
533 {
534 omap_init_irq();
535 #ifdef CONFIG_OMAP_32K_TIMER
536 omap2_gp_clockevent_set_gptimer(12);
537 #endif
538 }
539
540 static struct platform_device *omap3_beagle_devices[] __initdata = {
541 &leds_gpio,
542 &keys_gpio,
543 };
544
545 static void __init omap3beagle_flash_init(void)
546 {
547 u8 cs = 0;
548 u8 nandcs = GPMC_CS_NUM + 1;
549
550 /* find out the chip-select on which NAND exists */
551 while (cs < GPMC_CS_NUM) {
552 u32 ret = 0;
553 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
554
555 if ((ret & 0xC00) == 0x800) {
556 printk(KERN_INFO "Found NAND on CS%d\n", cs);
557 if (nandcs > GPMC_CS_NUM)
558 nandcs = cs;
559 }
560 cs++;
561 }
562
563 if (nandcs > GPMC_CS_NUM) {
564 printk(KERN_INFO "NAND: Unable to find configuration "
565 "in GPMC\n ");
566 return;
567 }
568
569 if (nandcs < GPMC_CS_NUM) {
570 omap3beagle_nand_data.cs = nandcs;
571
572 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
573 if (gpmc_nand_init(&omap3beagle_nand_data) < 0)
574 printk(KERN_ERR "Unable to register NAND device\n");
575 }
576 }
577
578 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
579
580 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
581 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
582 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
583
584 .phy_reset = true,
585 .reset_gpio_port[0] = -EINVAL,
586 .reset_gpio_port[1] = 147,
587 .reset_gpio_port[2] = -EINVAL
588 };
589
590 #ifdef CONFIG_OMAP_MUX
591 static struct omap_board_mux board_mux[] __initdata = {
592 { .reg_offset = OMAP_MUX_TERMINATOR },
593 };
594 #endif
595
596 static struct omap_musb_board_data musb_board_data = {
597 .interface_type = MUSB_INTERFACE_ULPI,
598 .mode = MUSB_OTG,
599 .power = 100,
600 };
601
602 static void __init beagle_opp_init(void)
603 {
604 int r = 0;
605
606 /* Initialize the omap3 opp table */
607 if (omap3_opp_init()) {
608 pr_err("%s: opp default init failed\n", __func__);
609 return;
610 }
611
612 /* Custom OPP enabled for XM */
613 if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
614 struct omap_hwmod *mh = omap_hwmod_lookup("mpu");
615 struct omap_hwmod *dh = omap_hwmod_lookup("iva");
616 struct device *dev;
617
618 if (!mh || !dh) {
619 pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
620 __func__, mh, dh);
621 return;
622 }
623 /* Enable MPU 1GHz and lower opps */
624 dev = &mh->od->pdev.dev;
625 r = opp_enable(dev, 800000000);
626 /* TODO: MPU 1GHz needs SR and ABB */
627
628 /* Enable IVA 800MHz and lower opps */
629 dev = &dh->od->pdev.dev;
630 r |= opp_enable(dev, 660000000);
631 /* TODO: DSP 800MHz needs SR and ABB */
632 if (r) {
633 pr_err("%s: failed to enable higher opp %d\n",
634 __func__, r);
635 /*
636 * Cleanup - disable the higher freqs - we dont care
637 * about the results
638 */
639 dev = &mh->od->pdev.dev;
640 opp_disable(dev, 800000000);
641 dev = &dh->od->pdev.dev;
642 opp_disable(dev, 660000000);
643 }
644 }
645 return;
646 }
647
648 static void __init omap3_beagle_init(void)
649 {
650 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
651 omap3_beagle_init_rev();
652 omap3_beagle_i2c_init();
653 platform_add_devices(omap3_beagle_devices,
654 ARRAY_SIZE(omap3_beagle_devices));
655 omap_display_init(&beagle_dss_data);
656 omap_serial_init();
657
658 omap_mux_init_gpio(170, OMAP_PIN_INPUT);
659 gpio_request(170, "DVI_nPD");
660 /* REVISIT leave DVI powered down until it's needed ... */
661 gpio_direction_output(170, true);
662
663 usb_musb_init(&musb_board_data);
664 usbhs_init(&usbhs_bdata);
665 omap3beagle_flash_init();
666
667 /* Ensure SDRC pins are mux'd for self-refresh */
668 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
669 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
670
671 beagle_display_init();
672 beagle_opp_init();
673 }
674
675 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
676 /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
677 .boot_params = 0x80000100,
678 .reserve = omap_reserve,
679 .map_io = omap3_map_io,
680 .init_early = omap3_beagle_init_early,
681 .init_irq = omap3_beagle_init_irq,
682 .init_machine = omap3_beagle_init,
683 .timer = &omap_timer,
684 MACHINE_END
Linux kernel - Deliverables
This page took 0.06314 seconds and 5 git commands to generate.