Commit | Line | Data |
---|---|---|
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> | |
42 | #include <plat/gpmc.h> | |
43 | #include <plat/nand.h> | |
ce491cf8 TL |
44 | #include <plat/usb.h> |
45 | #include <plat/timer-gp.h> | |
2885f000 | 46 | |
ca5742bd | 47 | #include "mux.h" |
90c62bf0 | 48 | #include "mmc-twl4030.h" |
2885f000 SMK |
49 | |
50 | #define GPMC_CS0_BASE 0x60 | |
51 | #define GPMC_CS_SIZE 0x30 | |
52 | ||
53 | #define NAND_BLOCK_SIZE SZ_128K | |
54 | ||
55 | static struct mtd_partition omap3beagle_nand_partitions[] = { | |
56 | /* All the partition sizes are listed in terms of NAND block size */ | |
57 | { | |
58 | .name = "X-Loader", | |
59 | .offset = 0, | |
60 | .size = 4 * NAND_BLOCK_SIZE, | |
61 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
62 | }, | |
63 | { | |
64 | .name = "U-Boot", | |
65 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ | |
66 | .size = 15 * NAND_BLOCK_SIZE, | |
67 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
68 | }, | |
69 | { | |
70 | .name = "U-Boot Env", | |
71 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */ | |
72 | .size = 1 * NAND_BLOCK_SIZE, | |
73 | }, | |
74 | { | |
75 | .name = "Kernel", | |
76 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ | |
77 | .size = 32 * NAND_BLOCK_SIZE, | |
78 | }, | |
79 | { | |
80 | .name = "File System", | |
81 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ | |
82 | .size = MTDPART_SIZ_FULL, | |
83 | }, | |
84 | }; | |
85 | ||
86 | static struct omap_nand_platform_data omap3beagle_nand_data = { | |
87 | .options = NAND_BUSWIDTH_16, | |
88 | .parts = omap3beagle_nand_partitions, | |
89 | .nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions), | |
90 | .dma_channel = -1, /* disable DMA in OMAP NAND driver */ | |
91 | .nand_setup = NULL, | |
92 | .dev_ready = NULL, | |
93 | }; | |
94 | ||
95 | static struct resource omap3beagle_nand_resource = { | |
96 | .flags = IORESOURCE_MEM, | |
97 | }; | |
98 | ||
99 | static struct platform_device omap3beagle_nand_device = { | |
100 | .name = "omap2-nand", | |
101 | .id = -1, | |
102 | .dev = { | |
103 | .platform_data = &omap3beagle_nand_data, | |
104 | }, | |
105 | .num_resources = 1, | |
106 | .resource = &omap3beagle_nand_resource, | |
107 | }; | |
108 | ||
2e12bd7e PW |
109 | #include "sdram-micron-mt46h32m32lf-6.h" |
110 | ||
90c62bf0 TL |
111 | static struct twl4030_hsmmc_info mmc[] = { |
112 | { | |
113 | .mmc = 1, | |
114 | .wires = 8, | |
115 | .gpio_wp = 29, | |
116 | }, | |
117 | {} /* Terminator */ | |
118 | }; | |
119 | ||
bb3b9d8e DB |
120 | static struct platform_device omap3_beagle_lcd_device = { |
121 | .name = "omap3beagle_lcd", | |
122 | .id = -1, | |
123 | }; | |
124 | ||
125 | static struct omap_lcd_config omap3_beagle_lcd_config __initdata = { | |
126 | .ctrl_name = "internal", | |
127 | }; | |
128 | ||
129 | static struct regulator_consumer_supply beagle_vmmc1_supply = { | |
130 | .supply = "vmmc", | |
131 | }; | |
132 | ||
133 | static struct regulator_consumer_supply beagle_vsim_supply = { | |
134 | .supply = "vmmc_aux", | |
135 | }; | |
136 | ||
90c62bf0 TL |
137 | static struct gpio_led gpio_leds[]; |
138 | ||
139 | static int beagle_twl_gpio_setup(struct device *dev, | |
140 | unsigned gpio, unsigned ngpio) | |
141 | { | |
44e74840 | 142 | if (system_rev >= 0x20 && system_rev <= 0x34301000) { |
4896e394 | 143 | omap_mux_init_gpio(23, OMAP_PIN_INPUT); |
44e74840 JN |
144 | mmc[0].gpio_wp = 23; |
145 | } else { | |
4896e394 | 146 | omap_mux_init_gpio(29, OMAP_PIN_INPUT); |
44e74840 | 147 | } |
90c62bf0 | 148 | /* gpio + 0 is "mmc0_cd" (input/IRQ) */ |
145d9c94 TL |
149 | mmc[0].gpio_cd = gpio + 0; |
150 | twl4030_mmc_init(mmc); | |
90c62bf0 | 151 | |
bb3b9d8e DB |
152 | /* link regulators to MMC adapters */ |
153 | beagle_vmmc1_supply.dev = mmc[0].dev; | |
154 | beagle_vsim_supply.dev = mmc[0].dev; | |
155 | ||
90c62bf0 TL |
156 | /* REVISIT: need ehci-omap hooks for external VBUS |
157 | * power switch and overcurrent detect | |
158 | */ | |
159 | ||
160 | gpio_request(gpio + 1, "EHCI_nOC"); | |
161 | gpio_direction_input(gpio + 1); | |
162 | ||
163 | /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */ | |
164 | gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR"); | |
e9840dc0 | 165 | gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0); |
90c62bf0 TL |
166 | |
167 | /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ | |
168 | gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; | |
169 | ||
170 | return 0; | |
171 | } | |
172 | ||
173 | static struct twl4030_gpio_platform_data beagle_gpio_data = { | |
174 | .gpio_base = OMAP_MAX_GPIO_LINES, | |
175 | .irq_base = TWL4030_GPIO_IRQ_BASE, | |
176 | .irq_end = TWL4030_GPIO_IRQ_END, | |
177 | .use_leds = true, | |
178 | .pullups = BIT(1), | |
179 | .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13) | |
180 | | BIT(15) | BIT(16) | BIT(17), | |
181 | .setup = beagle_twl_gpio_setup, | |
182 | }; | |
183 | ||
bb3b9d8e DB |
184 | static struct regulator_consumer_supply beagle_vdac_supply = { |
185 | .supply = "vdac", | |
186 | .dev = &omap3_beagle_lcd_device.dev, | |
187 | }; | |
188 | ||
189 | static struct regulator_consumer_supply beagle_vdvi_supply = { | |
190 | .supply = "vdvi", | |
191 | .dev = &omap3_beagle_lcd_device.dev, | |
192 | }; | |
193 | ||
194 | /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ | |
195 | static struct regulator_init_data beagle_vmmc1 = { | |
196 | .constraints = { | |
197 | .min_uV = 1850000, | |
198 | .max_uV = 3150000, | |
199 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
200 | | REGULATOR_MODE_STANDBY, | |
201 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
202 | | REGULATOR_CHANGE_MODE | |
203 | | REGULATOR_CHANGE_STATUS, | |
204 | }, | |
205 | .num_consumer_supplies = 1, | |
206 | .consumer_supplies = &beagle_vmmc1_supply, | |
207 | }; | |
208 | ||
209 | /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */ | |
210 | static struct regulator_init_data beagle_vsim = { | |
211 | .constraints = { | |
212 | .min_uV = 1800000, | |
213 | .max_uV = 3000000, | |
214 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
215 | | REGULATOR_MODE_STANDBY, | |
216 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
217 | | REGULATOR_CHANGE_MODE | |
218 | | REGULATOR_CHANGE_STATUS, | |
219 | }, | |
220 | .num_consumer_supplies = 1, | |
221 | .consumer_supplies = &beagle_vsim_supply, | |
222 | }; | |
223 | ||
224 | /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */ | |
225 | static struct regulator_init_data beagle_vdac = { | |
226 | .constraints = { | |
227 | .min_uV = 1800000, | |
228 | .max_uV = 1800000, | |
229 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
230 | | REGULATOR_MODE_STANDBY, | |
231 | .valid_ops_mask = REGULATOR_CHANGE_MODE | |
232 | | REGULATOR_CHANGE_STATUS, | |
233 | }, | |
234 | .num_consumer_supplies = 1, | |
235 | .consumer_supplies = &beagle_vdac_supply, | |
236 | }; | |
237 | ||
238 | /* VPLL2 for digital video outputs */ | |
239 | static struct regulator_init_data beagle_vpll2 = { | |
240 | .constraints = { | |
241 | .name = "VDVI", | |
242 | .min_uV = 1800000, | |
243 | .max_uV = 1800000, | |
244 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
245 | | REGULATOR_MODE_STANDBY, | |
246 | .valid_ops_mask = REGULATOR_CHANGE_MODE | |
247 | | REGULATOR_CHANGE_STATUS, | |
248 | }, | |
249 | .num_consumer_supplies = 1, | |
250 | .consumer_supplies = &beagle_vdvi_supply, | |
251 | }; | |
252 | ||
bd04e465 FB |
253 | static struct twl4030_usb_data beagle_usb_data = { |
254 | .usb_mode = T2_USB_MODE_ULPI, | |
255 | }; | |
256 | ||
e86fa0b4 PU |
257 | static struct twl4030_codec_audio_data beagle_audio_data = { |
258 | .audio_mclk = 26000000, | |
259 | }; | |
260 | ||
261 | static struct twl4030_codec_data beagle_codec_data = { | |
6df74efb | 262 | .audio_mclk = 26000000, |
e86fa0b4 PU |
263 | .audio = &beagle_audio_data, |
264 | }; | |
265 | ||
90c62bf0 TL |
266 | static struct twl4030_platform_data beagle_twldata = { |
267 | .irq_base = TWL4030_IRQ_BASE, | |
268 | .irq_end = TWL4030_IRQ_END, | |
269 | ||
270 | /* platform_data for children goes here */ | |
bd04e465 | 271 | .usb = &beagle_usb_data, |
90c62bf0 | 272 | .gpio = &beagle_gpio_data, |
e86fa0b4 | 273 | .codec = &beagle_codec_data, |
bb3b9d8e DB |
274 | .vmmc1 = &beagle_vmmc1, |
275 | .vsim = &beagle_vsim, | |
276 | .vdac = &beagle_vdac, | |
277 | .vpll2 = &beagle_vpll2, | |
90c62bf0 TL |
278 | }; |
279 | ||
280 | static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = { | |
281 | { | |
282 | I2C_BOARD_INFO("twl4030", 0x48), | |
283 | .flags = I2C_CLIENT_WAKE, | |
284 | .irq = INT_34XX_SYS_NIRQ, | |
285 | .platform_data = &beagle_twldata, | |
286 | }, | |
287 | }; | |
288 | ||
289 | static int __init omap3_beagle_i2c_init(void) | |
290 | { | |
291 | omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo, | |
292 | ARRAY_SIZE(beagle_i2c_boardinfo)); | |
8ca7fe26 KK |
293 | /* Bus 3 is attached to the DVI port where devices like the pico DLP |
294 | * projector don't work reliably with 400kHz */ | |
295 | omap_register_i2c_bus(3, 100, NULL, 0); | |
90c62bf0 TL |
296 | return 0; |
297 | } | |
298 | ||
2885f000 SMK |
299 | static struct gpio_led gpio_leds[] = { |
300 | { | |
301 | .name = "beagleboard::usr0", | |
302 | .default_trigger = "heartbeat", | |
303 | .gpio = 150, | |
304 | }, | |
305 | { | |
306 | .name = "beagleboard::usr1", | |
307 | .default_trigger = "mmc0", | |
308 | .gpio = 149, | |
309 | }, | |
90c62bf0 TL |
310 | { |
311 | .name = "beagleboard::pmu_stat", | |
312 | .gpio = -EINVAL, /* gets replaced */ | |
313 | .active_low = true, | |
314 | }, | |
2885f000 SMK |
315 | }; |
316 | ||
317 | static struct gpio_led_platform_data gpio_led_info = { | |
318 | .leds = gpio_leds, | |
319 | .num_leds = ARRAY_SIZE(gpio_leds), | |
320 | }; | |
321 | ||
322 | static struct platform_device leds_gpio = { | |
323 | .name = "leds-gpio", | |
324 | .id = -1, | |
325 | .dev = { | |
326 | .platform_data = &gpio_led_info, | |
327 | }, | |
328 | }; | |
329 | ||
330 | static struct gpio_keys_button gpio_buttons[] = { | |
331 | { | |
332 | .code = BTN_EXTRA, | |
333 | .gpio = 7, | |
334 | .desc = "user", | |
335 | .wakeup = 1, | |
336 | }, | |
337 | }; | |
338 | ||
339 | static struct gpio_keys_platform_data gpio_key_info = { | |
340 | .buttons = gpio_buttons, | |
341 | .nbuttons = ARRAY_SIZE(gpio_buttons), | |
342 | }; | |
343 | ||
344 | static struct platform_device keys_gpio = { | |
345 | .name = "gpio-keys", | |
346 | .id = -1, | |
347 | .dev = { | |
348 | .platform_data = &gpio_key_info, | |
349 | }, | |
350 | }; | |
351 | ||
352 | static struct omap_board_config_kernel omap3_beagle_config[] __initdata = { | |
2885f000 SMK |
353 | { OMAP_TAG_LCD, &omap3_beagle_lcd_config }, |
354 | }; | |
355 | ||
b3c6df3a PW |
356 | static void __init omap3_beagle_init_irq(void) |
357 | { | |
358 | omap_board_config = omap3_beagle_config; | |
359 | omap_board_config_size = ARRAY_SIZE(omap3_beagle_config); | |
360 | omap2_init_common_hw(mt46h32m32lf6_sdrc_params, | |
361 | mt46h32m32lf6_sdrc_params); | |
362 | omap_init_irq(); | |
363 | #ifdef CONFIG_OMAP_32K_TIMER | |
364 | omap2_gp_clockevent_set_gptimer(12); | |
365 | #endif | |
366 | omap_gpio_init(); | |
367 | } | |
368 | ||
2885f000 SMK |
369 | static struct platform_device *omap3_beagle_devices[] __initdata = { |
370 | &omap3_beagle_lcd_device, | |
371 | &leds_gpio, | |
372 | &keys_gpio, | |
373 | }; | |
374 | ||
375 | static void __init omap3beagle_flash_init(void) | |
376 | { | |
377 | u8 cs = 0; | |
378 | u8 nandcs = GPMC_CS_NUM + 1; | |
379 | ||
380 | u32 gpmc_base_add = OMAP34XX_GPMC_VIRT; | |
381 | ||
382 | /* find out the chip-select on which NAND exists */ | |
383 | while (cs < GPMC_CS_NUM) { | |
384 | u32 ret = 0; | |
385 | ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); | |
386 | ||
387 | if ((ret & 0xC00) == 0x800) { | |
388 | printk(KERN_INFO "Found NAND on CS%d\n", cs); | |
389 | if (nandcs > GPMC_CS_NUM) | |
390 | nandcs = cs; | |
391 | } | |
392 | cs++; | |
393 | } | |
394 | ||
395 | if (nandcs > GPMC_CS_NUM) { | |
396 | printk(KERN_INFO "NAND: Unable to find configuration " | |
397 | "in GPMC\n "); | |
398 | return; | |
399 | } | |
400 | ||
401 | if (nandcs < GPMC_CS_NUM) { | |
402 | omap3beagle_nand_data.cs = nandcs; | |
403 | omap3beagle_nand_data.gpmc_cs_baseaddr = (void *) | |
404 | (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE); | |
405 | omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add); | |
406 | ||
407 | printk(KERN_INFO "Registering NAND on CS%d\n", nandcs); | |
408 | if (platform_device_register(&omap3beagle_nand_device) < 0) | |
409 | printk(KERN_ERR "Unable to register NAND device\n"); | |
410 | } | |
411 | } | |
412 | ||
58a5491c FB |
413 | static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { |
414 | ||
415 | .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, | |
416 | .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, | |
417 | .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
418 | ||
419 | .phy_reset = true, | |
420 | .reset_gpio_port[0] = -EINVAL, | |
421 | .reset_gpio_port[1] = 147, | |
422 | .reset_gpio_port[2] = -EINVAL | |
423 | }; | |
424 | ||
ca5742bd TL |
425 | #ifdef CONFIG_OMAP_MUX |
426 | static struct omap_board_mux board_mux[] __initdata = { | |
427 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
428 | }; | |
429 | #else | |
430 | #define board_mux NULL | |
431 | #endif | |
432 | ||
2885f000 SMK |
433 | static void __init omap3_beagle_init(void) |
434 | { | |
ca5742bd | 435 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
90c62bf0 | 436 | omap3_beagle_i2c_init(); |
2885f000 SMK |
437 | platform_add_devices(omap3_beagle_devices, |
438 | ARRAY_SIZE(omap3_beagle_devices)); | |
2885f000 | 439 | omap_serial_init(); |
90c62bf0 | 440 | |
4896e394 | 441 | omap_mux_init_gpio(170, OMAP_PIN_INPUT); |
90c62bf0 TL |
442 | gpio_request(170, "DVI_nPD"); |
443 | /* REVISIT leave DVI powered down until it's needed ... */ | |
444 | gpio_direction_output(170, true); | |
445 | ||
18cb7aca | 446 | usb_musb_init(); |
58a5491c | 447 | usb_ehci_init(&ehci_pdata); |
2885f000 | 448 | omap3beagle_flash_init(); |
9fb97412 JP |
449 | |
450 | /* Ensure SDRC pins are mux'd for self-refresh */ | |
4896e394 TL |
451 | omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); |
452 | omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); | |
2885f000 SMK |
453 | } |
454 | ||
455 | static void __init omap3_beagle_map_io(void) | |
456 | { | |
457 | omap2_set_globals_343x(); | |
458 | omap2_map_common_io(); | |
459 | } | |
460 | ||
461 | MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board") | |
462 | /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */ | |
463 | .phys_io = 0x48000000, | |
b4224b23 | 464 | .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, |
2885f000 SMK |
465 | .boot_params = 0x80000100, |
466 | .map_io = omap3_beagle_map_io, | |
467 | .init_irq = omap3_beagle_init_irq, | |
468 | .init_machine = omap3_beagle_init, | |
469 | .timer = &omap_timer, | |
470 | MACHINE_END |