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2885f000 SMK |
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 | ||
27 | #include <linux/mtd/mtd.h> | |
28 | #include <linux/mtd/partitions.h> | |
29 | #include <linux/mtd/nand.h> | |
30 | ||
bb3b9d8e | 31 | #include <linux/regulator/machine.h> |
b07682b6 | 32 | #include <linux/i2c/twl.h> |
145d9c94 | 33 | |
2885f000 SMK |
34 | #include <mach/hardware.h> |
35 | #include <asm/mach-types.h> | |
36 | #include <asm/mach/arch.h> | |
37 | #include <asm/mach/map.h> | |
38 | #include <asm/mach/flash.h> | |
39 | ||
ce491cf8 TL |
40 | #include <plat/board.h> |
41 | #include <plat/common.h> | |
044d32ff | 42 | #include <plat/display.h> |
ce491cf8 TL |
43 | #include <plat/gpmc.h> |
44 | #include <plat/nand.h> | |
ce491cf8 TL |
45 | #include <plat/usb.h> |
46 | #include <plat/timer-gp.h> | |
2885f000 | 47 | |
ca5742bd | 48 | #include "mux.h" |
d02a900b | 49 | #include "hsmmc.h" |
2885f000 | 50 | |
2885f000 SMK |
51 | #define NAND_BLOCK_SIZE SZ_128K |
52 | ||
53 | static struct mtd_partition omap3beagle_nand_partitions[] = { | |
54 | /* All the partition sizes are listed in terms of NAND block size */ | |
55 | { | |
56 | .name = "X-Loader", | |
57 | .offset = 0, | |
58 | .size = 4 * NAND_BLOCK_SIZE, | |
59 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
60 | }, | |
61 | { | |
62 | .name = "U-Boot", | |
63 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ | |
64 | .size = 15 * NAND_BLOCK_SIZE, | |
65 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
66 | }, | |
67 | { | |
68 | .name = "U-Boot Env", | |
69 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */ | |
70 | .size = 1 * NAND_BLOCK_SIZE, | |
71 | }, | |
72 | { | |
73 | .name = "Kernel", | |
74 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ | |
75 | .size = 32 * NAND_BLOCK_SIZE, | |
76 | }, | |
77 | { | |
78 | .name = "File System", | |
79 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ | |
80 | .size = MTDPART_SIZ_FULL, | |
81 | }, | |
82 | }; | |
83 | ||
84 | static struct omap_nand_platform_data omap3beagle_nand_data = { | |
85 | .options = NAND_BUSWIDTH_16, | |
86 | .parts = omap3beagle_nand_partitions, | |
87 | .nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions), | |
88 | .dma_channel = -1, /* disable DMA in OMAP NAND driver */ | |
89 | .nand_setup = NULL, | |
90 | .dev_ready = NULL, | |
91 | }; | |
92 | ||
044d32ff KK |
93 | /* DSS */ |
94 | ||
95 | static int beagle_enable_dvi(struct omap_dss_device *dssdev) | |
96 | { | |
97 | if (gpio_is_valid(dssdev->reset_gpio)) | |
98 | gpio_set_value(dssdev->reset_gpio, 1); | |
99 | ||
100 | return 0; | |
101 | } | |
102 | ||
103 | static void beagle_disable_dvi(struct omap_dss_device *dssdev) | |
104 | { | |
105 | if (gpio_is_valid(dssdev->reset_gpio)) | |
106 | gpio_set_value(dssdev->reset_gpio, 0); | |
107 | } | |
108 | ||
109 | static struct omap_dss_device beagle_dvi_device = { | |
110 | .type = OMAP_DISPLAY_TYPE_DPI, | |
111 | .name = "dvi", | |
112 | .driver_name = "generic_panel", | |
113 | .phy.dpi.data_lines = 24, | |
114 | .reset_gpio = 170, | |
115 | .platform_enable = beagle_enable_dvi, | |
116 | .platform_disable = beagle_disable_dvi, | |
117 | }; | |
118 | ||
119 | static struct omap_dss_device beagle_tv_device = { | |
120 | .name = "tv", | |
121 | .driver_name = "venc", | |
122 | .type = OMAP_DISPLAY_TYPE_VENC, | |
123 | .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, | |
124 | }; | |
125 | ||
126 | static struct omap_dss_device *beagle_dss_devices[] = { | |
127 | &beagle_dvi_device, | |
128 | &beagle_tv_device, | |
129 | }; | |
130 | ||
131 | static struct omap_dss_board_info beagle_dss_data = { | |
132 | .num_devices = ARRAY_SIZE(beagle_dss_devices), | |
133 | .devices = beagle_dss_devices, | |
134 | .default_device = &beagle_dvi_device, | |
135 | }; | |
136 | ||
137 | static struct platform_device beagle_dss_device = { | |
138 | .name = "omapdss", | |
139 | .id = -1, | |
140 | .dev = { | |
141 | .platform_data = &beagle_dss_data, | |
142 | }, | |
143 | }; | |
144 | ||
145 | static struct regulator_consumer_supply beagle_vdac_supply = | |
146 | REGULATOR_SUPPLY("vdda_dac", "omapdss"); | |
147 | ||
148 | static struct regulator_consumer_supply beagle_vdvi_supply = | |
149 | REGULATOR_SUPPLY("vdds_dsi", "omapdss"); | |
150 | ||
151 | static void __init beagle_display_init(void) | |
152 | { | |
153 | int r; | |
154 | ||
155 | r = gpio_request(beagle_dvi_device.reset_gpio, "DVI reset"); | |
156 | if (r < 0) { | |
157 | printk(KERN_ERR "Unable to get DVI reset GPIO\n"); | |
158 | return; | |
159 | } | |
160 | ||
161 | gpio_direction_output(beagle_dvi_device.reset_gpio, 0); | |
162 | } | |
163 | ||
2e12bd7e PW |
164 | #include "sdram-micron-mt46h32m32lf-6.h" |
165 | ||
68ff0423 | 166 | static struct omap2_hsmmc_info mmc[] = { |
90c62bf0 TL |
167 | { |
168 | .mmc = 1, | |
169 | .wires = 8, | |
170 | .gpio_wp = 29, | |
171 | }, | |
172 | {} /* Terminator */ | |
173 | }; | |
174 | ||
bb3b9d8e DB |
175 | static struct regulator_consumer_supply beagle_vmmc1_supply = { |
176 | .supply = "vmmc", | |
177 | }; | |
178 | ||
179 | static struct regulator_consumer_supply beagle_vsim_supply = { | |
180 | .supply = "vmmc_aux", | |
181 | }; | |
182 | ||
90c62bf0 TL |
183 | static struct gpio_led gpio_leds[]; |
184 | ||
185 | static int beagle_twl_gpio_setup(struct device *dev, | |
186 | unsigned gpio, unsigned ngpio) | |
187 | { | |
44e74840 | 188 | if (system_rev >= 0x20 && system_rev <= 0x34301000) { |
4896e394 | 189 | omap_mux_init_gpio(23, OMAP_PIN_INPUT); |
44e74840 JN |
190 | mmc[0].gpio_wp = 23; |
191 | } else { | |
4896e394 | 192 | omap_mux_init_gpio(29, OMAP_PIN_INPUT); |
44e74840 | 193 | } |
90c62bf0 | 194 | /* gpio + 0 is "mmc0_cd" (input/IRQ) */ |
145d9c94 | 195 | mmc[0].gpio_cd = gpio + 0; |
68ff0423 | 196 | omap2_hsmmc_init(mmc); |
90c62bf0 | 197 | |
bb3b9d8e DB |
198 | /* link regulators to MMC adapters */ |
199 | beagle_vmmc1_supply.dev = mmc[0].dev; | |
200 | beagle_vsim_supply.dev = mmc[0].dev; | |
201 | ||
90c62bf0 TL |
202 | /* REVISIT: need ehci-omap hooks for external VBUS |
203 | * power switch and overcurrent detect | |
204 | */ | |
205 | ||
206 | gpio_request(gpio + 1, "EHCI_nOC"); | |
207 | gpio_direction_input(gpio + 1); | |
208 | ||
209 | /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */ | |
210 | gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR"); | |
e9840dc0 | 211 | gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0); |
90c62bf0 TL |
212 | |
213 | /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ | |
214 | gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; | |
215 | ||
216 | return 0; | |
217 | } | |
218 | ||
219 | static struct twl4030_gpio_platform_data beagle_gpio_data = { | |
220 | .gpio_base = OMAP_MAX_GPIO_LINES, | |
221 | .irq_base = TWL4030_GPIO_IRQ_BASE, | |
222 | .irq_end = TWL4030_GPIO_IRQ_END, | |
223 | .use_leds = true, | |
224 | .pullups = BIT(1), | |
225 | .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13) | |
226 | | BIT(15) | BIT(16) | BIT(17), | |
227 | .setup = beagle_twl_gpio_setup, | |
228 | }; | |
229 | ||
bb3b9d8e DB |
230 | /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ |
231 | static struct regulator_init_data beagle_vmmc1 = { | |
232 | .constraints = { | |
233 | .min_uV = 1850000, | |
234 | .max_uV = 3150000, | |
235 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
236 | | REGULATOR_MODE_STANDBY, | |
237 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
238 | | REGULATOR_CHANGE_MODE | |
239 | | REGULATOR_CHANGE_STATUS, | |
240 | }, | |
241 | .num_consumer_supplies = 1, | |
242 | .consumer_supplies = &beagle_vmmc1_supply, | |
243 | }; | |
244 | ||
245 | /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */ | |
246 | static struct regulator_init_data beagle_vsim = { | |
247 | .constraints = { | |
248 | .min_uV = 1800000, | |
249 | .max_uV = 3000000, | |
250 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
251 | | REGULATOR_MODE_STANDBY, | |
252 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
253 | | REGULATOR_CHANGE_MODE | |
254 | | REGULATOR_CHANGE_STATUS, | |
255 | }, | |
256 | .num_consumer_supplies = 1, | |
257 | .consumer_supplies = &beagle_vsim_supply, | |
258 | }; | |
259 | ||
260 | /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */ | |
261 | static struct regulator_init_data beagle_vdac = { | |
262 | .constraints = { | |
263 | .min_uV = 1800000, | |
264 | .max_uV = 1800000, | |
265 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
266 | | REGULATOR_MODE_STANDBY, | |
267 | .valid_ops_mask = REGULATOR_CHANGE_MODE | |
268 | | REGULATOR_CHANGE_STATUS, | |
269 | }, | |
270 | .num_consumer_supplies = 1, | |
271 | .consumer_supplies = &beagle_vdac_supply, | |
272 | }; | |
273 | ||
274 | /* VPLL2 for digital video outputs */ | |
275 | static struct regulator_init_data beagle_vpll2 = { | |
276 | .constraints = { | |
277 | .name = "VDVI", | |
278 | .min_uV = 1800000, | |
279 | .max_uV = 1800000, | |
280 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
281 | | REGULATOR_MODE_STANDBY, | |
282 | .valid_ops_mask = REGULATOR_CHANGE_MODE | |
283 | | REGULATOR_CHANGE_STATUS, | |
284 | }, | |
285 | .num_consumer_supplies = 1, | |
286 | .consumer_supplies = &beagle_vdvi_supply, | |
287 | }; | |
288 | ||
bd04e465 FB |
289 | static struct twl4030_usb_data beagle_usb_data = { |
290 | .usb_mode = T2_USB_MODE_ULPI, | |
291 | }; | |
292 | ||
e86fa0b4 PU |
293 | static struct twl4030_codec_audio_data beagle_audio_data = { |
294 | .audio_mclk = 26000000, | |
295 | }; | |
296 | ||
297 | static struct twl4030_codec_data beagle_codec_data = { | |
6df74efb | 298 | .audio_mclk = 26000000, |
e86fa0b4 PU |
299 | .audio = &beagle_audio_data, |
300 | }; | |
301 | ||
90c62bf0 TL |
302 | static struct twl4030_platform_data beagle_twldata = { |
303 | .irq_base = TWL4030_IRQ_BASE, | |
304 | .irq_end = TWL4030_IRQ_END, | |
305 | ||
306 | /* platform_data for children goes here */ | |
bd04e465 | 307 | .usb = &beagle_usb_data, |
90c62bf0 | 308 | .gpio = &beagle_gpio_data, |
e86fa0b4 | 309 | .codec = &beagle_codec_data, |
bb3b9d8e DB |
310 | .vmmc1 = &beagle_vmmc1, |
311 | .vsim = &beagle_vsim, | |
312 | .vdac = &beagle_vdac, | |
313 | .vpll2 = &beagle_vpll2, | |
90c62bf0 TL |
314 | }; |
315 | ||
316 | static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = { | |
317 | { | |
318 | I2C_BOARD_INFO("twl4030", 0x48), | |
319 | .flags = I2C_CLIENT_WAKE, | |
320 | .irq = INT_34XX_SYS_NIRQ, | |
321 | .platform_data = &beagle_twldata, | |
322 | }, | |
323 | }; | |
324 | ||
325 | static int __init omap3_beagle_i2c_init(void) | |
326 | { | |
327 | omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo, | |
328 | ARRAY_SIZE(beagle_i2c_boardinfo)); | |
8ca7fe26 KK |
329 | /* Bus 3 is attached to the DVI port where devices like the pico DLP |
330 | * projector don't work reliably with 400kHz */ | |
331 | omap_register_i2c_bus(3, 100, NULL, 0); | |
90c62bf0 TL |
332 | return 0; |
333 | } | |
334 | ||
2885f000 SMK |
335 | static struct gpio_led gpio_leds[] = { |
336 | { | |
337 | .name = "beagleboard::usr0", | |
338 | .default_trigger = "heartbeat", | |
339 | .gpio = 150, | |
340 | }, | |
341 | { | |
342 | .name = "beagleboard::usr1", | |
343 | .default_trigger = "mmc0", | |
344 | .gpio = 149, | |
345 | }, | |
90c62bf0 TL |
346 | { |
347 | .name = "beagleboard::pmu_stat", | |
348 | .gpio = -EINVAL, /* gets replaced */ | |
349 | .active_low = true, | |
350 | }, | |
2885f000 SMK |
351 | }; |
352 | ||
353 | static struct gpio_led_platform_data gpio_led_info = { | |
354 | .leds = gpio_leds, | |
355 | .num_leds = ARRAY_SIZE(gpio_leds), | |
356 | }; | |
357 | ||
358 | static struct platform_device leds_gpio = { | |
359 | .name = "leds-gpio", | |
360 | .id = -1, | |
361 | .dev = { | |
362 | .platform_data = &gpio_led_info, | |
363 | }, | |
364 | }; | |
365 | ||
366 | static struct gpio_keys_button gpio_buttons[] = { | |
367 | { | |
368 | .code = BTN_EXTRA, | |
369 | .gpio = 7, | |
370 | .desc = "user", | |
371 | .wakeup = 1, | |
372 | }, | |
373 | }; | |
374 | ||
375 | static struct gpio_keys_platform_data gpio_key_info = { | |
376 | .buttons = gpio_buttons, | |
377 | .nbuttons = ARRAY_SIZE(gpio_buttons), | |
378 | }; | |
379 | ||
380 | static struct platform_device keys_gpio = { | |
381 | .name = "gpio-keys", | |
382 | .id = -1, | |
383 | .dev = { | |
384 | .platform_data = &gpio_key_info, | |
385 | }, | |
386 | }; | |
387 | ||
b3c6df3a PW |
388 | static void __init omap3_beagle_init_irq(void) |
389 | { | |
b3c6df3a PW |
390 | omap2_init_common_hw(mt46h32m32lf6_sdrc_params, |
391 | mt46h32m32lf6_sdrc_params); | |
392 | omap_init_irq(); | |
393 | #ifdef CONFIG_OMAP_32K_TIMER | |
394 | omap2_gp_clockevent_set_gptimer(12); | |
395 | #endif | |
396 | omap_gpio_init(); | |
397 | } | |
398 | ||
2885f000 | 399 | static struct platform_device *omap3_beagle_devices[] __initdata = { |
2885f000 SMK |
400 | &leds_gpio, |
401 | &keys_gpio, | |
044d32ff | 402 | &beagle_dss_device, |
2885f000 SMK |
403 | }; |
404 | ||
405 | static void __init omap3beagle_flash_init(void) | |
406 | { | |
407 | u8 cs = 0; | |
408 | u8 nandcs = GPMC_CS_NUM + 1; | |
409 | ||
2885f000 SMK |
410 | /* find out the chip-select on which NAND exists */ |
411 | while (cs < GPMC_CS_NUM) { | |
412 | u32 ret = 0; | |
413 | ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); | |
414 | ||
415 | if ((ret & 0xC00) == 0x800) { | |
416 | printk(KERN_INFO "Found NAND on CS%d\n", cs); | |
417 | if (nandcs > GPMC_CS_NUM) | |
418 | nandcs = cs; | |
419 | } | |
420 | cs++; | |
421 | } | |
422 | ||
423 | if (nandcs > GPMC_CS_NUM) { | |
424 | printk(KERN_INFO "NAND: Unable to find configuration " | |
425 | "in GPMC\n "); | |
426 | return; | |
427 | } | |
428 | ||
429 | if (nandcs < GPMC_CS_NUM) { | |
430 | omap3beagle_nand_data.cs = nandcs; | |
2885f000 SMK |
431 | |
432 | printk(KERN_INFO "Registering NAND on CS%d\n", nandcs); | |
f450d867 | 433 | if (gpmc_nand_init(&omap3beagle_nand_data) < 0) |
2885f000 SMK |
434 | printk(KERN_ERR "Unable to register NAND device\n"); |
435 | } | |
436 | } | |
437 | ||
6f69a181 | 438 | static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { |
58a5491c FB |
439 | |
440 | .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, | |
441 | .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, | |
442 | .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
443 | ||
444 | .phy_reset = true, | |
445 | .reset_gpio_port[0] = -EINVAL, | |
446 | .reset_gpio_port[1] = 147, | |
447 | .reset_gpio_port[2] = -EINVAL | |
448 | }; | |
449 | ||
ca5742bd TL |
450 | #ifdef CONFIG_OMAP_MUX |
451 | static struct omap_board_mux board_mux[] __initdata = { | |
452 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
453 | }; | |
454 | #else | |
455 | #define board_mux NULL | |
456 | #endif | |
457 | ||
884b8369 MM |
458 | static struct omap_musb_board_data musb_board_data = { |
459 | .interface_type = MUSB_INTERFACE_ULPI, | |
460 | .mode = MUSB_OTG, | |
461 | .power = 100, | |
462 | }; | |
463 | ||
2885f000 SMK |
464 | static void __init omap3_beagle_init(void) |
465 | { | |
ca5742bd | 466 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
90c62bf0 | 467 | omap3_beagle_i2c_init(); |
2885f000 SMK |
468 | platform_add_devices(omap3_beagle_devices, |
469 | ARRAY_SIZE(omap3_beagle_devices)); | |
2885f000 | 470 | omap_serial_init(); |
90c62bf0 | 471 | |
4896e394 | 472 | omap_mux_init_gpio(170, OMAP_PIN_INPUT); |
90c62bf0 TL |
473 | gpio_request(170, "DVI_nPD"); |
474 | /* REVISIT leave DVI powered down until it's needed ... */ | |
475 | gpio_direction_output(170, true); | |
476 | ||
884b8369 | 477 | usb_musb_init(&musb_board_data); |
58a5491c | 478 | usb_ehci_init(&ehci_pdata); |
2885f000 | 479 | omap3beagle_flash_init(); |
9fb97412 JP |
480 | |
481 | /* Ensure SDRC pins are mux'd for self-refresh */ | |
4896e394 TL |
482 | omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); |
483 | omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); | |
044d32ff KK |
484 | |
485 | beagle_display_init(); | |
2885f000 SMK |
486 | } |
487 | ||
2885f000 SMK |
488 | MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board") |
489 | /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */ | |
490 | .phys_io = 0x48000000, | |
b4224b23 | 491 | .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, |
2885f000 | 492 | .boot_params = 0x80000100, |
869fef41 | 493 | .map_io = omap3_map_io, |
71ee7dad | 494 | .reserve = omap_reserve, |
2885f000 SMK |
495 | .init_irq = omap3_beagle_init_irq, |
496 | .init_machine = omap3_beagle_init, | |
497 | .timer = &omap_timer, | |
498 | MACHINE_END |