Loading...
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/pwm.h>
24#include <linux/leds_pwm.h>
25#include <linux/gpio.h>
26#include <linux/input.h>
27#include <linux/gpio_keys.h>
28#include <linux/pm_opp.h>
29#include <linux/cpu.h>
30
31#include <linux/mtd/mtd.h>
32#include <linux/mtd/partitions.h>
33#include <linux/mtd/nand.h>
34#include <linux/mmc/host.h>
35#include <linux/usb/phy.h>
36#include <linux/usb/usb_phy_gen_xceiv.h>
37
38#include <linux/regulator/machine.h>
39#include <linux/i2c/twl.h>
40
41#include <asm/mach-types.h>
42#include <asm/mach/arch.h>
43#include <asm/mach/map.h>
44#include <asm/mach/flash.h>
45
46#include <video/omapdss.h>
47#include <video/omap-panel-data.h>
48#include <linux/platform_data/mtd-nand-omap2.h>
49
50#include "common.h"
51#include "omap_device.h"
52#include "gpmc.h"
53#include "soc.h"
54#include "mux.h"
55#include "hsmmc.h"
56#include "pm.h"
57#include "board-flash.h"
58#include "common-board-devices.h"
59
60#define NAND_CS 0
61
62static struct pwm_lookup pwm_lookup[] = {
63 /* LEDB -> PMU_STAT */
64 PWM_LOOKUP("twl-pwmled", 1, "leds_pwm", "beagleboard::pmu_stat"),
65};
66
67static struct led_pwm pwm_leds[] = {
68 {
69 .name = "beagleboard::pmu_stat",
70 .max_brightness = 127,
71 .pwm_period_ns = 7812500,
72 },
73};
74
75static struct led_pwm_platform_data pwm_data = {
76 .num_leds = ARRAY_SIZE(pwm_leds),
77 .leds = pwm_leds,
78};
79
80static struct platform_device leds_pwm = {
81 .name = "leds_pwm",
82 .id = -1,
83 .dev = {
84 .platform_data = &pwm_data,
85 },
86};
87
88/*
89 * OMAP3 Beagle revision
90 * Run time detection of Beagle revision is done by reading GPIO.
91 * GPIO ID -
92 * AXBX = GPIO173, GPIO172, GPIO171: 1 1 1
93 * C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0
94 * C4 = GPIO173, GPIO172, GPIO171: 1 0 1
95 * XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0
96 * XMC = GPIO173, GPIO172, GPIO171: 0 1 0
97 */
98enum {
99 OMAP3BEAGLE_BOARD_UNKN = 0,
100 OMAP3BEAGLE_BOARD_AXBX,
101 OMAP3BEAGLE_BOARD_C1_3,
102 OMAP3BEAGLE_BOARD_C4,
103 OMAP3BEAGLE_BOARD_XM,
104 OMAP3BEAGLE_BOARD_XMC,
105};
106
107static u8 omap3_beagle_version;
108
109/*
110 * Board-specific configuration
111 * Defaults to BeagleBoard-xMC
112 */
113static struct {
114 int mmc1_gpio_wp;
115 bool usb_pwr_level; /* 0 - Active Low, 1 - Active High */
116 int dvi_pd_gpio;
117 int usr_button_gpio;
118 int mmc_caps;
119} beagle_config = {
120 .mmc1_gpio_wp = -EINVAL,
121 .usb_pwr_level = 0,
122 .dvi_pd_gpio = -EINVAL,
123 .usr_button_gpio = 4,
124 .mmc_caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
125};
126
127static struct gpio omap3_beagle_rev_gpios[] __initdata = {
128 { 171, GPIOF_IN, "rev_id_0" },
129 { 172, GPIOF_IN, "rev_id_1" },
130 { 173, GPIOF_IN, "rev_id_2" },
131};
132
133static void __init omap3_beagle_init_rev(void)
134{
135 int ret;
136 u16 beagle_rev = 0;
137
138 omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
139 omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
140 omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
141
142 ret = gpio_request_array(omap3_beagle_rev_gpios,
143 ARRAY_SIZE(omap3_beagle_rev_gpios));
144 if (ret < 0) {
145 printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
146 omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
147 return;
148 }
149
150 beagle_rev = gpio_get_value(171) | (gpio_get_value(172) << 1)
151 | (gpio_get_value(173) << 2);
152
153 gpio_free_array(omap3_beagle_rev_gpios,
154 ARRAY_SIZE(omap3_beagle_rev_gpios));
155
156 switch (beagle_rev) {
157 case 7:
158 printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
159 omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
160 beagle_config.mmc1_gpio_wp = 29;
161 beagle_config.dvi_pd_gpio = 170;
162 beagle_config.usr_button_gpio = 7;
163 break;
164 case 6:
165 printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
166 omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
167 beagle_config.mmc1_gpio_wp = 23;
168 beagle_config.dvi_pd_gpio = 170;
169 beagle_config.usr_button_gpio = 7;
170 break;
171 case 5:
172 printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
173 omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
174 beagle_config.mmc1_gpio_wp = 23;
175 beagle_config.dvi_pd_gpio = 170;
176 beagle_config.usr_button_gpio = 7;
177 break;
178 case 0:
179 printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n");
180 omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
181 beagle_config.usb_pwr_level = 1;
182 beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
183 break;
184 case 2:
185 printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
186 omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
187 beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
188 break;
189 default:
190 printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
191 omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
192 }
193}
194
195static struct mtd_partition omap3beagle_nand_partitions[] = {
196 /* All the partition sizes are listed in terms of NAND block size */
197 {
198 .name = "X-Loader",
199 .offset = 0,
200 .size = 4 * NAND_BLOCK_SIZE,
201 .mask_flags = MTD_WRITEABLE, /* force read-only */
202 },
203 {
204 .name = "U-Boot",
205 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
206 .size = 15 * NAND_BLOCK_SIZE,
207 .mask_flags = MTD_WRITEABLE, /* force read-only */
208 },
209 {
210 .name = "U-Boot Env",
211 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
212 .size = 1 * NAND_BLOCK_SIZE,
213 },
214 {
215 .name = "Kernel",
216 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
217 .size = 32 * NAND_BLOCK_SIZE,
218 },
219 {
220 .name = "File System",
221 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
222 .size = MTDPART_SIZ_FULL,
223 },
224};
225
226/* DSS */
227
228static struct connector_dvi_platform_data beagle_dvi_connector_pdata = {
229 .name = "dvi",
230 .source = "tfp410.0",
231 .i2c_bus_num = 3,
232};
233
234static struct platform_device beagle_dvi_connector_device = {
235 .name = "connector-dvi",
236 .id = 0,
237 .dev.platform_data = &beagle_dvi_connector_pdata,
238};
239
240static struct encoder_tfp410_platform_data beagle_tfp410_pdata = {
241 .name = "tfp410.0",
242 .source = "dpi.0",
243 .data_lines = 24,
244 .power_down_gpio = -1,
245};
246
247static struct platform_device beagle_tfp410_device = {
248 .name = "tfp410",
249 .id = 0,
250 .dev.platform_data = &beagle_tfp410_pdata,
251};
252
253static struct connector_atv_platform_data beagle_tv_pdata = {
254 .name = "tv",
255 .source = "venc.0",
256 .connector_type = OMAP_DSS_VENC_TYPE_SVIDEO,
257 .invert_polarity = false,
258};
259
260static struct platform_device beagle_tv_connector_device = {
261 .name = "connector-analog-tv",
262 .id = 0,
263 .dev.platform_data = &beagle_tv_pdata,
264};
265
266static struct omap_dss_board_info beagle_dss_data = {
267 .default_display_name = "dvi",
268};
269
270#include "sdram-micron-mt46h32m32lf-6.h"
271
272static struct omap2_hsmmc_info mmc[] = {
273 {
274 .mmc = 1,
275 .caps = MMC_CAP_4_BIT_DATA,
276 .gpio_wp = -EINVAL,
277 .deferred = true,
278 },
279 {} /* Terminator */
280};
281
282static struct regulator_consumer_supply beagle_vmmc1_supply[] = {
283 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
284};
285
286static struct regulator_consumer_supply beagle_vsim_supply[] = {
287 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
288};
289
290static struct gpio_led gpio_leds[];
291
292static struct usbhs_phy_data phy_data[] = {
293 {
294 .port = 2,
295 .reset_gpio = 147,
296 .vcc_gpio = -1, /* updated in beagle_twl_gpio_setup */
297 .vcc_polarity = 1, /* updated in beagle_twl_gpio_setup */
298 },
299};
300
301static int beagle_twl_gpio_setup(struct device *dev,
302 unsigned gpio, unsigned ngpio)
303{
304 int r;
305
306 mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp;
307 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
308 mmc[0].gpio_cd = gpio + 0;
309 omap_hsmmc_late_init(mmc);
310
311 /*
312 * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
313 * high / others active low)
314 * DVI reset GPIO is different between beagle revisions
315 */
316 /* Valid for all -xM revisions */
317 if (cpu_is_omap3630()) {
318 /*
319 * gpio + 1 on Xm controls the TFP410's enable line (active low)
320 * gpio + 2 control varies depending on the board rev as below:
321 * P7/P8 revisions(prototype): Camera EN
322 * A2+ revisions (production): LDO (DVI, serial, led blocks)
323 */
324 r = gpio_request_one(gpio + 1, GPIOF_OUT_INIT_LOW,
325 "nDVI_PWR_EN");
326 if (r)
327 pr_err("%s: unable to configure nDVI_PWR_EN\n",
328 __func__);
329
330 beagle_config.dvi_pd_gpio = gpio + 2;
331
332 } else {
333 /*
334 * REVISIT: need ehci-omap hooks for external VBUS
335 * power switch and overcurrent detect
336 */
337 if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
338 pr_err("%s: unable to configure EHCI_nOC\n", __func__);
339 }
340 beagle_tfp410_pdata.power_down_gpio = beagle_config.dvi_pd_gpio;
341
342 platform_device_register(&beagle_tfp410_device);
343 platform_device_register(&beagle_dvi_connector_device);
344 platform_device_register(&beagle_tv_connector_device);
345
346 /* TWL4030_GPIO_MAX i.e. LED_GPO controls HS USB Port 2 power */
347 phy_data[0].vcc_gpio = gpio + TWL4030_GPIO_MAX;
348 phy_data[0].vcc_polarity = beagle_config.usb_pwr_level;
349
350 usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
351 return 0;
352}
353
354static struct twl4030_gpio_platform_data beagle_gpio_data = {
355 .use_leds = true,
356 .pullups = BIT(1),
357 .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
358 | BIT(15) | BIT(16) | BIT(17),
359 .setup = beagle_twl_gpio_setup,
360};
361
362/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
363static struct regulator_init_data beagle_vmmc1 = {
364 .constraints = {
365 .min_uV = 1850000,
366 .max_uV = 3150000,
367 .valid_modes_mask = REGULATOR_MODE_NORMAL
368 | REGULATOR_MODE_STANDBY,
369 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
370 | REGULATOR_CHANGE_MODE
371 | REGULATOR_CHANGE_STATUS,
372 },
373 .num_consumer_supplies = ARRAY_SIZE(beagle_vmmc1_supply),
374 .consumer_supplies = beagle_vmmc1_supply,
375};
376
377/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
378static struct regulator_init_data beagle_vsim = {
379 .constraints = {
380 .min_uV = 1800000,
381 .max_uV = 3000000,
382 .valid_modes_mask = REGULATOR_MODE_NORMAL
383 | REGULATOR_MODE_STANDBY,
384 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
385 | REGULATOR_CHANGE_MODE
386 | REGULATOR_CHANGE_STATUS,
387 },
388 .num_consumer_supplies = ARRAY_SIZE(beagle_vsim_supply),
389 .consumer_supplies = beagle_vsim_supply,
390};
391
392static struct twl4030_platform_data beagle_twldata = {
393 /* platform_data for children goes here */
394 .gpio = &beagle_gpio_data,
395 .vmmc1 = &beagle_vmmc1,
396 .vsim = &beagle_vsim,
397};
398
399static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
400 {
401 I2C_BOARD_INFO("eeprom", 0x50),
402 },
403};
404
405static int __init omap3_beagle_i2c_init(void)
406{
407 omap3_pmic_get_config(&beagle_twldata,
408 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
409 TWL_COMMON_PDATA_AUDIO,
410 TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
411
412 beagle_twldata.vpll2->constraints.name = "VDVI";
413
414 omap3_pmic_init("twl4030", &beagle_twldata);
415 /* Bus 3 is attached to the DVI port where devices like the pico DLP
416 * projector don't work reliably with 400kHz */
417 omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
418 return 0;
419}
420
421static struct gpio_led gpio_leds[] = {
422 {
423 .name = "beagleboard::usr0",
424 .default_trigger = "heartbeat",
425 .gpio = 150,
426 },
427 {
428 .name = "beagleboard::usr1",
429 .default_trigger = "mmc0",
430 .gpio = 149,
431 },
432};
433
434static struct gpio_led_platform_data gpio_led_info = {
435 .leds = gpio_leds,
436 .num_leds = ARRAY_SIZE(gpio_leds),
437};
438
439static struct platform_device leds_gpio = {
440 .name = "leds-gpio",
441 .id = -1,
442 .dev = {
443 .platform_data = &gpio_led_info,
444 },
445};
446
447static struct gpio_keys_button gpio_buttons[] = {
448 {
449 .code = BTN_EXTRA,
450 /* Dynamically assigned depending on board */
451 .gpio = -EINVAL,
452 .desc = "user",
453 .wakeup = 1,
454 },
455};
456
457static struct gpio_keys_platform_data gpio_key_info = {
458 .buttons = gpio_buttons,
459 .nbuttons = ARRAY_SIZE(gpio_buttons),
460};
461
462static struct platform_device keys_gpio = {
463 .name = "gpio-keys",
464 .id = -1,
465 .dev = {
466 .platform_data = &gpio_key_info,
467 },
468};
469
470static struct platform_device madc_hwmon = {
471 .name = "twl4030_madc_hwmon",
472 .id = -1,
473};
474
475static struct platform_device *omap3_beagle_devices[] __initdata = {
476 &leds_gpio,
477 &keys_gpio,
478 &madc_hwmon,
479 &leds_pwm,
480};
481
482static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
483 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
484};
485
486#ifdef CONFIG_OMAP_MUX
487static struct omap_board_mux board_mux[] __initdata = {
488 { .reg_offset = OMAP_MUX_TERMINATOR },
489};
490#endif
491
492static int __init beagle_opp_init(void)
493{
494 int r = 0;
495
496 if (!machine_is_omap3_beagle())
497 return 0;
498
499 /* Initialize the omap3 opp table if not already created. */
500 r = omap3_opp_init();
501 if (r < 0 && (r != -EEXIST)) {
502 pr_err("%s: opp default init failed\n", __func__);
503 return r;
504 }
505
506 /* Custom OPP enabled for all xM versions */
507 if (cpu_is_omap3630()) {
508 struct device *mpu_dev, *iva_dev;
509
510 mpu_dev = get_cpu_device(0);
511 iva_dev = omap_device_get_by_hwmod_name("iva");
512
513 if (!mpu_dev || IS_ERR(iva_dev)) {
514 pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
515 __func__, mpu_dev, iva_dev);
516 return -ENODEV;
517 }
518 /* Enable MPU 1GHz and lower opps */
519 r = dev_pm_opp_enable(mpu_dev, 800000000);
520 /* TODO: MPU 1GHz needs SR and ABB */
521
522 /* Enable IVA 800MHz and lower opps */
523 r |= dev_pm_opp_enable(iva_dev, 660000000);
524 /* TODO: DSP 800MHz needs SR and ABB */
525 if (r) {
526 pr_err("%s: failed to enable higher opp %d\n",
527 __func__, r);
528 /*
529 * Cleanup - disable the higher freqs - we dont care
530 * about the results
531 */
532 dev_pm_opp_disable(mpu_dev, 800000000);
533 dev_pm_opp_disable(iva_dev, 660000000);
534 }
535 }
536 return 0;
537}
538omap_device_initcall(beagle_opp_init);
539
540static void __init omap3_beagle_init(void)
541{
542 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
543 omap3_beagle_init_rev();
544
545 if (gpio_is_valid(beagle_config.mmc1_gpio_wp))
546 omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
547 mmc[0].caps = beagle_config.mmc_caps;
548 omap_hsmmc_init(mmc);
549
550 omap3_beagle_i2c_init();
551
552 gpio_buttons[0].gpio = beagle_config.usr_button_gpio;
553
554 platform_add_devices(omap3_beagle_devices,
555 ARRAY_SIZE(omap3_beagle_devices));
556 if (gpio_is_valid(beagle_config.dvi_pd_gpio))
557 omap_mux_init_gpio(beagle_config.dvi_pd_gpio, OMAP_PIN_OUTPUT);
558 omap_display_init(&beagle_dss_data);
559
560 omap_serial_init();
561 omap_sdrc_init(mt46h32m32lf6_sdrc_params,
562 mt46h32m32lf6_sdrc_params);
563
564 usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
565 usb_musb_init(NULL);
566
567 usbhs_init(&usbhs_bdata);
568
569 board_nand_init(omap3beagle_nand_partitions,
570 ARRAY_SIZE(omap3beagle_nand_partitions), NAND_CS,
571 NAND_BUSWIDTH_16, NULL);
572 omap_twl4030_audio_init("omap3beagle", NULL);
573
574 /* Ensure msecure is mux'd to be able to set the RTC. */
575 omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH);
576
577 /* Ensure SDRC pins are mux'd for self-refresh */
578 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
579 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
580
581 pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
582}
583
584MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
585 /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
586 .atag_offset = 0x100,
587 .reserve = omap_reserve,
588 .map_io = omap3_map_io,
589 .init_early = omap3_init_early,
590 .init_irq = omap3_init_irq,
591 .handle_irq = omap3_intc_handle_irq,
592 .init_machine = omap3_beagle_init,
593 .init_late = omap3_init_late,
594 .init_time = omap3_secure_sync32k_timer_init,
595 .restart = omap3xxx_restart,
596MACHINE_END
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 <video/omapdss.h>
45#include <video/omap-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 "pm.h"
54#include "common-board-devices.h"
55
56/*
57 * OMAP3 Beagle revision
58 * Run time detection of Beagle revision is done by reading GPIO.
59 * GPIO ID -
60 * AXBX = GPIO173, GPIO172, GPIO171: 1 1 1
61 * C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0
62 * C4 = GPIO173, GPIO172, GPIO171: 1 0 1
63 * XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0
64 * XMC = GPIO173, GPIO172, GPIO171: 0 1 0
65 */
66enum {
67 OMAP3BEAGLE_BOARD_UNKN = 0,
68 OMAP3BEAGLE_BOARD_AXBX,
69 OMAP3BEAGLE_BOARD_C1_3,
70 OMAP3BEAGLE_BOARD_C4,
71 OMAP3BEAGLE_BOARD_XM,
72 OMAP3BEAGLE_BOARD_XMC,
73};
74
75static u8 omap3_beagle_version;
76
77/*
78 * Board-specific configuration
79 * Defaults to BeagleBoard-xMC
80 */
81static struct {
82 int mmc1_gpio_wp;
83 int usb_pwr_level;
84 int reset_gpio;
85 int usr_button_gpio;
86} beagle_config = {
87 .mmc1_gpio_wp = -EINVAL,
88 .usb_pwr_level = GPIOF_OUT_INIT_LOW,
89 .reset_gpio = 129,
90 .usr_button_gpio = 4,
91};
92
93static struct gpio omap3_beagle_rev_gpios[] __initdata = {
94 { 171, GPIOF_IN, "rev_id_0" },
95 { 172, GPIOF_IN, "rev_id_1" },
96 { 173, GPIOF_IN, "rev_id_2" },
97};
98
99static void __init omap3_beagle_init_rev(void)
100{
101 int ret;
102 u16 beagle_rev = 0;
103
104 omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
105 omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
106 omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
107
108 ret = gpio_request_array(omap3_beagle_rev_gpios,
109 ARRAY_SIZE(omap3_beagle_rev_gpios));
110 if (ret < 0) {
111 printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
112 omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
113 return;
114 }
115
116 beagle_rev = gpio_get_value(171) | (gpio_get_value(172) << 1)
117 | (gpio_get_value(173) << 2);
118
119 gpio_free_array(omap3_beagle_rev_gpios,
120 ARRAY_SIZE(omap3_beagle_rev_gpios));
121
122 switch (beagle_rev) {
123 case 7:
124 printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
125 omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
126 beagle_config.mmc1_gpio_wp = 29;
127 beagle_config.reset_gpio = 170;
128 beagle_config.usr_button_gpio = 7;
129 break;
130 case 6:
131 printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
132 omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
133 beagle_config.mmc1_gpio_wp = 23;
134 beagle_config.reset_gpio = 170;
135 beagle_config.usr_button_gpio = 7;
136 break;
137 case 5:
138 printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
139 omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
140 beagle_config.mmc1_gpio_wp = 23;
141 beagle_config.reset_gpio = 170;
142 beagle_config.usr_button_gpio = 7;
143 break;
144 case 0:
145 printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n");
146 omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
147 beagle_config.usb_pwr_level = GPIOF_OUT_INIT_HIGH;
148 break;
149 case 2:
150 printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
151 omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
152 break;
153 default:
154 printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
155 omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
156 }
157}
158
159static struct mtd_partition omap3beagle_nand_partitions[] = {
160 /* All the partition sizes are listed in terms of NAND block size */
161 {
162 .name = "X-Loader",
163 .offset = 0,
164 .size = 4 * NAND_BLOCK_SIZE,
165 .mask_flags = MTD_WRITEABLE, /* force read-only */
166 },
167 {
168 .name = "U-Boot",
169 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
170 .size = 15 * NAND_BLOCK_SIZE,
171 .mask_flags = MTD_WRITEABLE, /* force read-only */
172 },
173 {
174 .name = "U-Boot Env",
175 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
176 .size = 1 * NAND_BLOCK_SIZE,
177 },
178 {
179 .name = "Kernel",
180 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
181 .size = 32 * NAND_BLOCK_SIZE,
182 },
183 {
184 .name = "File System",
185 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
186 .size = MTDPART_SIZ_FULL,
187 },
188};
189
190/* DSS */
191
192static int beagle_enable_dvi(struct omap_dss_device *dssdev)
193{
194 if (gpio_is_valid(dssdev->reset_gpio))
195 gpio_set_value(dssdev->reset_gpio, 1);
196
197 return 0;
198}
199
200static void beagle_disable_dvi(struct omap_dss_device *dssdev)
201{
202 if (gpio_is_valid(dssdev->reset_gpio))
203 gpio_set_value(dssdev->reset_gpio, 0);
204}
205
206static struct panel_generic_dpi_data dvi_panel = {
207 .name = "generic",
208 .platform_enable = beagle_enable_dvi,
209 .platform_disable = beagle_disable_dvi,
210};
211
212static struct omap_dss_device beagle_dvi_device = {
213 .type = OMAP_DISPLAY_TYPE_DPI,
214 .name = "dvi",
215 .driver_name = "generic_dpi_panel",
216 .data = &dvi_panel,
217 .phy.dpi.data_lines = 24,
218 .reset_gpio = -EINVAL,
219};
220
221static struct omap_dss_device beagle_tv_device = {
222 .name = "tv",
223 .driver_name = "venc",
224 .type = OMAP_DISPLAY_TYPE_VENC,
225 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
226};
227
228static struct omap_dss_device *beagle_dss_devices[] = {
229 &beagle_dvi_device,
230 &beagle_tv_device,
231};
232
233static struct omap_dss_board_info beagle_dss_data = {
234 .num_devices = ARRAY_SIZE(beagle_dss_devices),
235 .devices = beagle_dss_devices,
236 .default_device = &beagle_dvi_device,
237};
238
239static void __init beagle_display_init(void)
240{
241 int r;
242
243 r = gpio_request_one(beagle_dvi_device.reset_gpio, GPIOF_OUT_INIT_LOW,
244 "DVI reset");
245 if (r < 0)
246 printk(KERN_ERR "Unable to get DVI reset GPIO\n");
247}
248
249#include "sdram-micron-mt46h32m32lf-6.h"
250
251static struct omap2_hsmmc_info mmc[] = {
252 {
253 .mmc = 1,
254 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
255 .gpio_wp = -EINVAL,
256 },
257 {} /* Terminator */
258};
259
260static struct regulator_consumer_supply beagle_vmmc1_supply[] = {
261 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
262};
263
264static struct regulator_consumer_supply beagle_vsim_supply[] = {
265 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
266};
267
268static struct gpio_led gpio_leds[];
269
270static int beagle_twl_gpio_setup(struct device *dev,
271 unsigned gpio, unsigned ngpio)
272{
273 int r;
274
275 if (beagle_config.mmc1_gpio_wp != -EINVAL)
276 omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
277 mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp;
278 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
279 mmc[0].gpio_cd = gpio + 0;
280 omap2_hsmmc_init(mmc);
281
282 /*
283 * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
284 * high / others active low)
285 * DVI reset GPIO is different between beagle revisions
286 */
287 /* Valid for all -xM revisions */
288 if (cpu_is_omap3630()) {
289 /*
290 * gpio + 1 on Xm controls the TFP410's enable line (active low)
291 * gpio + 2 control varies depending on the board rev as below:
292 * P7/P8 revisions(prototype): Camera EN
293 * A2+ revisions (production): LDO (DVI, serial, led blocks)
294 */
295 r = gpio_request_one(gpio + 1, GPIOF_OUT_INIT_LOW,
296 "nDVI_PWR_EN");
297 if (r)
298 pr_err("%s: unable to configure nDVI_PWR_EN\n",
299 __func__);
300 r = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
301 "DVI_LDO_EN");
302 if (r)
303 pr_err("%s: unable to configure DVI_LDO_EN\n",
304 __func__);
305 } else {
306 /*
307 * REVISIT: need ehci-omap hooks for external VBUS
308 * power switch and overcurrent detect
309 */
310 if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
311 pr_err("%s: unable to configure EHCI_nOC\n", __func__);
312 }
313 beagle_dvi_device.reset_gpio = beagle_config.reset_gpio;
314
315 gpio_request_one(gpio + TWL4030_GPIO_MAX, beagle_config.usb_pwr_level,
316 "nEN_USB_PWR");
317
318 /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
319 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
320
321 return 0;
322}
323
324static struct twl4030_gpio_platform_data beagle_gpio_data = {
325 .gpio_base = OMAP_MAX_GPIO_LINES,
326 .irq_base = TWL4030_GPIO_IRQ_BASE,
327 .irq_end = TWL4030_GPIO_IRQ_END,
328 .use_leds = true,
329 .pullups = BIT(1),
330 .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
331 | BIT(15) | BIT(16) | BIT(17),
332 .setup = beagle_twl_gpio_setup,
333};
334
335/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
336static struct regulator_init_data beagle_vmmc1 = {
337 .constraints = {
338 .min_uV = 1850000,
339 .max_uV = 3150000,
340 .valid_modes_mask = REGULATOR_MODE_NORMAL
341 | REGULATOR_MODE_STANDBY,
342 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
343 | REGULATOR_CHANGE_MODE
344 | REGULATOR_CHANGE_STATUS,
345 },
346 .num_consumer_supplies = ARRAY_SIZE(beagle_vmmc1_supply),
347 .consumer_supplies = beagle_vmmc1_supply,
348};
349
350/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
351static struct regulator_init_data beagle_vsim = {
352 .constraints = {
353 .min_uV = 1800000,
354 .max_uV = 3000000,
355 .valid_modes_mask = REGULATOR_MODE_NORMAL
356 | REGULATOR_MODE_STANDBY,
357 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
358 | REGULATOR_CHANGE_MODE
359 | REGULATOR_CHANGE_STATUS,
360 },
361 .num_consumer_supplies = ARRAY_SIZE(beagle_vsim_supply),
362 .consumer_supplies = beagle_vsim_supply,
363};
364
365static struct twl4030_platform_data beagle_twldata = {
366 /* platform_data for children goes here */
367 .gpio = &beagle_gpio_data,
368 .vmmc1 = &beagle_vmmc1,
369 .vsim = &beagle_vsim,
370};
371
372static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
373 {
374 I2C_BOARD_INFO("eeprom", 0x50),
375 },
376};
377
378static int __init omap3_beagle_i2c_init(void)
379{
380 omap3_pmic_get_config(&beagle_twldata,
381 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
382 TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
383
384 beagle_twldata.vpll2->constraints.name = "VDVI";
385
386 omap3_pmic_init("twl4030", &beagle_twldata);
387 /* Bus 3 is attached to the DVI port where devices like the pico DLP
388 * projector don't work reliably with 400kHz */
389 omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
390 return 0;
391}
392
393static struct gpio_led gpio_leds[] = {
394 {
395 .name = "beagleboard::usr0",
396 .default_trigger = "heartbeat",
397 .gpio = 150,
398 },
399 {
400 .name = "beagleboard::usr1",
401 .default_trigger = "mmc0",
402 .gpio = 149,
403 },
404 {
405 .name = "beagleboard::pmu_stat",
406 .gpio = -EINVAL, /* gets replaced */
407 .active_low = true,
408 },
409};
410
411static struct gpio_led_platform_data gpio_led_info = {
412 .leds = gpio_leds,
413 .num_leds = ARRAY_SIZE(gpio_leds),
414};
415
416static struct platform_device leds_gpio = {
417 .name = "leds-gpio",
418 .id = -1,
419 .dev = {
420 .platform_data = &gpio_led_info,
421 },
422};
423
424static struct gpio_keys_button gpio_buttons[] = {
425 {
426 .code = BTN_EXTRA,
427 /* Dynamically assigned depending on board */
428 .gpio = -EINVAL,
429 .desc = "user",
430 .wakeup = 1,
431 },
432};
433
434static struct gpio_keys_platform_data gpio_key_info = {
435 .buttons = gpio_buttons,
436 .nbuttons = ARRAY_SIZE(gpio_buttons),
437};
438
439static struct platform_device keys_gpio = {
440 .name = "gpio-keys",
441 .id = -1,
442 .dev = {
443 .platform_data = &gpio_key_info,
444 },
445};
446
447static void __init omap3_beagle_init_early(void)
448{
449 omap2_init_common_infrastructure();
450 omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
451 mt46h32m32lf6_sdrc_params);
452}
453
454static void __init omap3_beagle_init_irq(void)
455{
456 omap3_init_irq();
457}
458
459static struct platform_device *omap3_beagle_devices[] __initdata = {
460 &leds_gpio,
461 &keys_gpio,
462};
463
464static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
465
466 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
467 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
468 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
469
470 .phy_reset = true,
471 .reset_gpio_port[0] = -EINVAL,
472 .reset_gpio_port[1] = 147,
473 .reset_gpio_port[2] = -EINVAL
474};
475
476#ifdef CONFIG_OMAP_MUX
477static struct omap_board_mux board_mux[] __initdata = {
478 { .reg_offset = OMAP_MUX_TERMINATOR },
479};
480#endif
481
482static void __init beagle_opp_init(void)
483{
484 int r = 0;
485
486 /* Initialize the omap3 opp table */
487 if (omap3_opp_init()) {
488 pr_err("%s: opp default init failed\n", __func__);
489 return;
490 }
491
492 /* Custom OPP enabled for all xM versions */
493 if (cpu_is_omap3630()) {
494 struct device *mpu_dev, *iva_dev;
495
496 mpu_dev = omap2_get_mpuss_device();
497 iva_dev = omap2_get_iva_device();
498
499 if (!mpu_dev || !iva_dev) {
500 pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
501 __func__, mpu_dev, iva_dev);
502 return;
503 }
504 /* Enable MPU 1GHz and lower opps */
505 r = opp_enable(mpu_dev, 800000000);
506 /* TODO: MPU 1GHz needs SR and ABB */
507
508 /* Enable IVA 800MHz and lower opps */
509 r |= opp_enable(iva_dev, 660000000);
510 /* TODO: DSP 800MHz needs SR and ABB */
511 if (r) {
512 pr_err("%s: failed to enable higher opp %d\n",
513 __func__, r);
514 /*
515 * Cleanup - disable the higher freqs - we dont care
516 * about the results
517 */
518 opp_disable(mpu_dev, 800000000);
519 opp_disable(iva_dev, 660000000);
520 }
521 }
522 return;
523}
524
525static void __init omap3_beagle_init(void)
526{
527 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
528 omap3_beagle_init_rev();
529 omap3_beagle_i2c_init();
530
531 gpio_buttons[0].gpio = beagle_config.usr_button_gpio;
532
533 platform_add_devices(omap3_beagle_devices,
534 ARRAY_SIZE(omap3_beagle_devices));
535 omap_display_init(&beagle_dss_data);
536 omap_serial_init();
537
538 omap_mux_init_gpio(170, OMAP_PIN_INPUT);
539 /* REVISIT leave DVI powered down until it's needed ... */
540 gpio_request_one(170, GPIOF_OUT_INIT_HIGH, "DVI_nPD");
541
542 usb_musb_init(NULL);
543 usbhs_init(&usbhs_bdata);
544 omap_nand_flash_init(NAND_BUSWIDTH_16, omap3beagle_nand_partitions,
545 ARRAY_SIZE(omap3beagle_nand_partitions));
546
547 /* Ensure msecure is mux'd to be able to set the RTC. */
548 omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH);
549
550 /* Ensure SDRC pins are mux'd for self-refresh */
551 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
552 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
553
554 beagle_display_init();
555 beagle_opp_init();
556}
557
558MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
559 /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
560 .boot_params = 0x80000100,
561 .reserve = omap_reserve,
562 .map_io = omap3_map_io,
563 .init_early = omap3_beagle_init_early,
564 .init_irq = omap3_beagle_init_irq,
565 .init_machine = omap3_beagle_init,
566 .timer = &omap3_secure_timer,
567MACHINE_END