OMAP2/3/4 PRCM: add module IDLEST wait code
[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>
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32#include <linux/i2c/twl4030.h>
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
40#include <mach/board.h>
41#include <mach/common.h>
42#include <mach/gpmc.h>
43#include <mach/nand.h>
90c62bf0 44#include <mach/mux.h>
18cb7aca 45#include <mach/usb.h>
f248076c 46#include <mach/timer-gp.h>
2885f000 47
90c62bf0 48#include "mmc-twl4030.h"
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49
50#define GPMC_CS0_BASE 0x60
51#define GPMC_CS_SIZE 0x30
52
53#define NAND_BLOCK_SIZE SZ_128K
54
55static 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
86static 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
95static struct resource omap3beagle_nand_resource = {
96 .flags = IORESOURCE_MEM,
97};
98
99static 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
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109#include "sdram-micron-mt46h32m32lf-6.h"
110
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111static struct twl4030_hsmmc_info mmc[] = {
112 {
113 .mmc = 1,
114 .wires = 8,
115 .gpio_wp = 29,
116 },
117 {} /* Terminator */
118};
119
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120static struct platform_device omap3_beagle_lcd_device = {
121 .name = "omap3beagle_lcd",
122 .id = -1,
123};
124
125static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
126 .ctrl_name = "internal",
127};
128
129static struct regulator_consumer_supply beagle_vmmc1_supply = {
130 .supply = "vmmc",
131};
132
133static struct regulator_consumer_supply beagle_vsim_supply = {
134 .supply = "vmmc_aux",
135};
136
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137static struct gpio_led gpio_leds[];
138
139static int beagle_twl_gpio_setup(struct device *dev,
140 unsigned gpio, unsigned ngpio)
141{
142 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
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143 omap_cfg_reg(AH8_34XX_GPIO29);
144 mmc[0].gpio_cd = gpio + 0;
145 twl4030_mmc_init(mmc);
90c62bf0 146
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147 /* link regulators to MMC adapters */
148 beagle_vmmc1_supply.dev = mmc[0].dev;
149 beagle_vsim_supply.dev = mmc[0].dev;
150
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151 /* REVISIT: need ehci-omap hooks for external VBUS
152 * power switch and overcurrent detect
153 */
154
155 gpio_request(gpio + 1, "EHCI_nOC");
156 gpio_direction_input(gpio + 1);
157
158 /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
159 gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
160 gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
161
162 /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
163 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
164
165 return 0;
166}
167
168static struct twl4030_gpio_platform_data beagle_gpio_data = {
169 .gpio_base = OMAP_MAX_GPIO_LINES,
170 .irq_base = TWL4030_GPIO_IRQ_BASE,
171 .irq_end = TWL4030_GPIO_IRQ_END,
172 .use_leds = true,
173 .pullups = BIT(1),
174 .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
175 | BIT(15) | BIT(16) | BIT(17),
176 .setup = beagle_twl_gpio_setup,
177};
178
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179static struct regulator_consumer_supply beagle_vdac_supply = {
180 .supply = "vdac",
181 .dev = &omap3_beagle_lcd_device.dev,
182};
183
184static struct regulator_consumer_supply beagle_vdvi_supply = {
185 .supply = "vdvi",
186 .dev = &omap3_beagle_lcd_device.dev,
187};
188
189/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
190static struct regulator_init_data beagle_vmmc1 = {
191 .constraints = {
192 .min_uV = 1850000,
193 .max_uV = 3150000,
194 .valid_modes_mask = REGULATOR_MODE_NORMAL
195 | REGULATOR_MODE_STANDBY,
196 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
197 | REGULATOR_CHANGE_MODE
198 | REGULATOR_CHANGE_STATUS,
199 },
200 .num_consumer_supplies = 1,
201 .consumer_supplies = &beagle_vmmc1_supply,
202};
203
204/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
205static struct regulator_init_data beagle_vsim = {
206 .constraints = {
207 .min_uV = 1800000,
208 .max_uV = 3000000,
209 .valid_modes_mask = REGULATOR_MODE_NORMAL
210 | REGULATOR_MODE_STANDBY,
211 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
212 | REGULATOR_CHANGE_MODE
213 | REGULATOR_CHANGE_STATUS,
214 },
215 .num_consumer_supplies = 1,
216 .consumer_supplies = &beagle_vsim_supply,
217};
218
219/* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
220static struct regulator_init_data beagle_vdac = {
221 .constraints = {
222 .min_uV = 1800000,
223 .max_uV = 1800000,
224 .valid_modes_mask = REGULATOR_MODE_NORMAL
225 | REGULATOR_MODE_STANDBY,
226 .valid_ops_mask = REGULATOR_CHANGE_MODE
227 | REGULATOR_CHANGE_STATUS,
228 },
229 .num_consumer_supplies = 1,
230 .consumer_supplies = &beagle_vdac_supply,
231};
232
233/* VPLL2 for digital video outputs */
234static struct regulator_init_data beagle_vpll2 = {
235 .constraints = {
236 .name = "VDVI",
237 .min_uV = 1800000,
238 .max_uV = 1800000,
239 .valid_modes_mask = REGULATOR_MODE_NORMAL
240 | REGULATOR_MODE_STANDBY,
241 .valid_ops_mask = REGULATOR_CHANGE_MODE
242 | REGULATOR_CHANGE_STATUS,
243 },
244 .num_consumer_supplies = 1,
245 .consumer_supplies = &beagle_vdvi_supply,
246};
247
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248static struct twl4030_usb_data beagle_usb_data = {
249 .usb_mode = T2_USB_MODE_ULPI,
250};
251
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252static struct twl4030_platform_data beagle_twldata = {
253 .irq_base = TWL4030_IRQ_BASE,
254 .irq_end = TWL4030_IRQ_END,
255
256 /* platform_data for children goes here */
bd04e465 257 .usb = &beagle_usb_data,
90c62bf0 258 .gpio = &beagle_gpio_data,
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259 .vmmc1 = &beagle_vmmc1,
260 .vsim = &beagle_vsim,
261 .vdac = &beagle_vdac,
262 .vpll2 = &beagle_vpll2,
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263};
264
265static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
266 {
267 I2C_BOARD_INFO("twl4030", 0x48),
268 .flags = I2C_CLIENT_WAKE,
269 .irq = INT_34XX_SYS_NIRQ,
270 .platform_data = &beagle_twldata,
271 },
272};
273
274static int __init omap3_beagle_i2c_init(void)
275{
276 omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
277 ARRAY_SIZE(beagle_i2c_boardinfo));
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278 /* Bus 3 is attached to the DVI port where devices like the pico DLP
279 * projector don't work reliably with 400kHz */
280 omap_register_i2c_bus(3, 100, NULL, 0);
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281 return 0;
282}
283
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284static void __init omap3_beagle_init_irq(void)
285{
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286 omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
287 mt46h32m32lf6_sdrc_params);
2885f000 288 omap_init_irq();
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289#ifdef CONFIG_OMAP_32K_TIMER
290 omap2_gp_clockevent_set_gptimer(12);
291#endif
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292 omap_gpio_init();
293}
294
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295static struct gpio_led gpio_leds[] = {
296 {
297 .name = "beagleboard::usr0",
298 .default_trigger = "heartbeat",
299 .gpio = 150,
300 },
301 {
302 .name = "beagleboard::usr1",
303 .default_trigger = "mmc0",
304 .gpio = 149,
305 },
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306 {
307 .name = "beagleboard::pmu_stat",
308 .gpio = -EINVAL, /* gets replaced */
309 .active_low = true,
310 },
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311};
312
313static struct gpio_led_platform_data gpio_led_info = {
314 .leds = gpio_leds,
315 .num_leds = ARRAY_SIZE(gpio_leds),
316};
317
318static struct platform_device leds_gpio = {
319 .name = "leds-gpio",
320 .id = -1,
321 .dev = {
322 .platform_data = &gpio_led_info,
323 },
324};
325
326static struct gpio_keys_button gpio_buttons[] = {
327 {
328 .code = BTN_EXTRA,
329 .gpio = 7,
330 .desc = "user",
331 .wakeup = 1,
332 },
333};
334
335static struct gpio_keys_platform_data gpio_key_info = {
336 .buttons = gpio_buttons,
337 .nbuttons = ARRAY_SIZE(gpio_buttons),
338};
339
340static struct platform_device keys_gpio = {
341 .name = "gpio-keys",
342 .id = -1,
343 .dev = {
344 .platform_data = &gpio_key_info,
345 },
346};
347
348static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
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349 { OMAP_TAG_LCD, &omap3_beagle_lcd_config },
350};
351
352static struct platform_device *omap3_beagle_devices[] __initdata = {
353 &omap3_beagle_lcd_device,
354 &leds_gpio,
355 &keys_gpio,
356};
357
358static void __init omap3beagle_flash_init(void)
359{
360 u8 cs = 0;
361 u8 nandcs = GPMC_CS_NUM + 1;
362
363 u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
364
365 /* find out the chip-select on which NAND exists */
366 while (cs < GPMC_CS_NUM) {
367 u32 ret = 0;
368 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
369
370 if ((ret & 0xC00) == 0x800) {
371 printk(KERN_INFO "Found NAND on CS%d\n", cs);
372 if (nandcs > GPMC_CS_NUM)
373 nandcs = cs;
374 }
375 cs++;
376 }
377
378 if (nandcs > GPMC_CS_NUM) {
379 printk(KERN_INFO "NAND: Unable to find configuration "
380 "in GPMC\n ");
381 return;
382 }
383
384 if (nandcs < GPMC_CS_NUM) {
385 omap3beagle_nand_data.cs = nandcs;
386 omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
387 (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
388 omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
389
390 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
391 if (platform_device_register(&omap3beagle_nand_device) < 0)
392 printk(KERN_ERR "Unable to register NAND device\n");
393 }
394}
395
396static void __init omap3_beagle_init(void)
397{
90c62bf0 398 omap3_beagle_i2c_init();
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399 platform_add_devices(omap3_beagle_devices,
400 ARRAY_SIZE(omap3_beagle_devices));
401 omap_board_config = omap3_beagle_config;
402 omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
403 omap_serial_init();
90c62bf0 404
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405 omap_cfg_reg(J25_34XX_GPIO170);
406 gpio_request(170, "DVI_nPD");
407 /* REVISIT leave DVI powered down until it's needed ... */
408 gpio_direction_output(170, true);
409
18cb7aca 410 usb_musb_init();
2885f000 411 omap3beagle_flash_init();
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412
413 /* Ensure SDRC pins are mux'd for self-refresh */
414 omap_cfg_reg(H16_34XX_SDRC_CKE0);
415 omap_cfg_reg(H17_34XX_SDRC_CKE1);
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416}
417
418static void __init omap3_beagle_map_io(void)
419{
420 omap2_set_globals_343x();
421 omap2_map_common_io();
422}
423
424MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
425 /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
426 .phys_io = 0x48000000,
427 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
428 .boot_params = 0x80000100,
429 .map_io = omap3_beagle_map_io,
430 .init_irq = omap3_beagle_init_irq,
431 .init_machine = omap3_beagle_init,
432 .timer = &omap_timer,
433MACHINE_END
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