Merge branch 'cow_readahead' of git://oss.oracle.com/git/tma/linux-2.6 into merge-2
[deliverable/linux.git] / arch / arm / mach-omap2 / board-omap3beagle.c
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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
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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
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40#include <plat/board.h>
41#include <plat/common.h>
044d32ff 42#include <plat/display.h>
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43#include <plat/gpmc.h>
44#include <plat/nand.h>
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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
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51#define NAND_BLOCK_SIZE SZ_128K
52
53static 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
84static 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
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93/* DSS */
94
95static 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
103static 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
109static 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
119static 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
126static struct omap_dss_device *beagle_dss_devices[] = {
127 &beagle_dvi_device,
128 &beagle_tv_device,
129};
130
131static 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
137static struct platform_device beagle_dss_device = {
138 .name = "omapdss",
139 .id = -1,
140 .dev = {
141 .platform_data = &beagle_dss_data,
142 },
143};
144
145static struct regulator_consumer_supply beagle_vdac_supply =
146 REGULATOR_SUPPLY("vdda_dac", "omapdss");
147
148static struct regulator_consumer_supply beagle_vdvi_supply =
149 REGULATOR_SUPPLY("vdds_dsi", "omapdss");
150
151static 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
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164#include "sdram-micron-mt46h32m32lf-6.h"
165
68ff0423 166static struct omap2_hsmmc_info mmc[] = {
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167 {
168 .mmc = 1,
169 .wires = 8,
170 .gpio_wp = 29,
171 },
172 {} /* Terminator */
173};
174
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175static struct regulator_consumer_supply beagle_vmmc1_supply = {
176 .supply = "vmmc",
177};
178
179static struct regulator_consumer_supply beagle_vsim_supply = {
180 .supply = "vmmc_aux",
181};
182
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183static struct gpio_led gpio_leds[];
184
185static 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);
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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
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198 /* link regulators to MMC adapters */
199 beagle_vmmc1_supply.dev = mmc[0].dev;
200 beagle_vsim_supply.dev = mmc[0].dev;
201
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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);
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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
219static 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
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230/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
231static 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) */
246static 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) */
261static 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 */
275static 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
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289static struct twl4030_usb_data beagle_usb_data = {
290 .usb_mode = T2_USB_MODE_ULPI,
291};
292
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293static struct twl4030_codec_audio_data beagle_audio_data = {
294 .audio_mclk = 26000000,
295};
296
297static struct twl4030_codec_data beagle_codec_data = {
6df74efb 298 .audio_mclk = 26000000,
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299 .audio = &beagle_audio_data,
300};
301
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302static 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,
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310 .vmmc1 = &beagle_vmmc1,
311 .vsim = &beagle_vsim,
312 .vdac = &beagle_vdac,
313 .vpll2 = &beagle_vpll2,
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314};
315
316static 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
325static int __init omap3_beagle_i2c_init(void)
326{
327 omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
328 ARRAY_SIZE(beagle_i2c_boardinfo));
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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);
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332 return 0;
333}
334
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335static 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 },
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346 {
347 .name = "beagleboard::pmu_stat",
348 .gpio = -EINVAL, /* gets replaced */
349 .active_low = true,
350 },
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351};
352
353static struct gpio_led_platform_data gpio_led_info = {
354 .leds = gpio_leds,
355 .num_leds = ARRAY_SIZE(gpio_leds),
356};
357
358static struct platform_device leds_gpio = {
359 .name = "leds-gpio",
360 .id = -1,
361 .dev = {
362 .platform_data = &gpio_led_info,
363 },
364};
365
366static struct gpio_keys_button gpio_buttons[] = {
367 {
368 .code = BTN_EXTRA,
369 .gpio = 7,
370 .desc = "user",
371 .wakeup = 1,
372 },
373};
374
375static struct gpio_keys_platform_data gpio_key_info = {
376 .buttons = gpio_buttons,
377 .nbuttons = ARRAY_SIZE(gpio_buttons),
378};
379
380static struct platform_device keys_gpio = {
381 .name = "gpio-keys",
382 .id = -1,
383 .dev = {
384 .platform_data = &gpio_key_info,
385 },
386};
387
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388static void __init omap3_beagle_init_irq(void)
389{
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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 399static struct platform_device *omap3_beagle_devices[] __initdata = {
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400 &leds_gpio,
401 &keys_gpio,
044d32ff 402 &beagle_dss_device,
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403};
404
405static void __init omap3beagle_flash_init(void)
406{
407 u8 cs = 0;
408 u8 nandcs = GPMC_CS_NUM + 1;
409
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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;
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431
432 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
f450d867 433 if (gpmc_nand_init(&omap3beagle_nand_data) < 0)
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434 printk(KERN_ERR "Unable to register NAND device\n");
435 }
436}
437
6f69a181 438static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
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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
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450#ifdef CONFIG_OMAP_MUX
451static struct omap_board_mux board_mux[] __initdata = {
452 { .reg_offset = OMAP_MUX_TERMINATOR },
453};
454#else
455#define board_mux NULL
456#endif
457
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458static struct omap_musb_board_data musb_board_data = {
459 .interface_type = MUSB_INTERFACE_ULPI,
460 .mode = MUSB_OTG,
461 .power = 100,
462};
463
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464static void __init omap3_beagle_init(void)
465{
ca5742bd 466 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
90c62bf0 467 omap3_beagle_i2c_init();
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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);
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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();
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480
481 /* Ensure SDRC pins are mux'd for self-refresh */
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482 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
483 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
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484
485 beagle_display_init();
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486}
487
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488MACHINE_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,
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495 .init_irq = omap3_beagle_init_irq,
496 .init_machine = omap3_beagle_init,
497 .timer = &omap_timer,
498MACHINE_END
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