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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> |
145d9c94 TL |
32 | #include <linux/i2c/twl4030.h> |
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 | ||
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" |
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 | { | |
142 | /* gpio + 0 is "mmc0_cd" (input/IRQ) */ | |
145d9c94 TL |
143 | omap_cfg_reg(AH8_34XX_GPIO29); |
144 | mmc[0].gpio_cd = gpio + 0; | |
145 | twl4030_mmc_init(mmc); | |
90c62bf0 | 146 | |
bb3b9d8e DB |
147 | /* link regulators to MMC adapters */ |
148 | beagle_vmmc1_supply.dev = mmc[0].dev; | |
149 | beagle_vsim_supply.dev = mmc[0].dev; | |
150 | ||
90c62bf0 TL |
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 | ||
168 | static 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 | ||
bb3b9d8e DB |
179 | static struct regulator_consumer_supply beagle_vdac_supply = { |
180 | .supply = "vdac", | |
181 | .dev = &omap3_beagle_lcd_device.dev, | |
182 | }; | |
183 | ||
184 | static 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) */ | |
190 | static 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) */ | |
205 | static 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) */ | |
220 | static 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 */ | |
234 | static 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 | ||
bd04e465 FB |
248 | static struct twl4030_usb_data beagle_usb_data = { |
249 | .usb_mode = T2_USB_MODE_ULPI, | |
250 | }; | |
251 | ||
90c62bf0 TL |
252 | static 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, |
bb3b9d8e DB |
259 | .vmmc1 = &beagle_vmmc1, |
260 | .vsim = &beagle_vsim, | |
261 | .vdac = &beagle_vdac, | |
262 | .vpll2 = &beagle_vpll2, | |
90c62bf0 TL |
263 | }; |
264 | ||
265 | static 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 | ||
274 | static int __init omap3_beagle_i2c_init(void) | |
275 | { | |
276 | omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo, | |
277 | ARRAY_SIZE(beagle_i2c_boardinfo)); | |
8ca7fe26 KK |
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); | |
90c62bf0 TL |
281 | return 0; |
282 | } | |
283 | ||
2885f000 SMK |
284 | static void __init omap3_beagle_init_irq(void) |
285 | { | |
58cda884 JP |
286 | omap2_init_common_hw(mt46h32m32lf6_sdrc_params, |
287 | mt46h32m32lf6_sdrc_params); | |
2885f000 | 288 | omap_init_irq(); |
f248076c PW |
289 | #ifdef CONFIG_OMAP_32K_TIMER |
290 | omap2_gp_clockevent_set_gptimer(12); | |
291 | #endif | |
2885f000 SMK |
292 | omap_gpio_init(); |
293 | } | |
294 | ||
2885f000 SMK |
295 | static 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 | }, | |
90c62bf0 TL |
306 | { |
307 | .name = "beagleboard::pmu_stat", | |
308 | .gpio = -EINVAL, /* gets replaced */ | |
309 | .active_low = true, | |
310 | }, | |
2885f000 SMK |
311 | }; |
312 | ||
313 | static struct gpio_led_platform_data gpio_led_info = { | |
314 | .leds = gpio_leds, | |
315 | .num_leds = ARRAY_SIZE(gpio_leds), | |
316 | }; | |
317 | ||
318 | static struct platform_device leds_gpio = { | |
319 | .name = "leds-gpio", | |
320 | .id = -1, | |
321 | .dev = { | |
322 | .platform_data = &gpio_led_info, | |
323 | }, | |
324 | }; | |
325 | ||
326 | static struct gpio_keys_button gpio_buttons[] = { | |
327 | { | |
328 | .code = BTN_EXTRA, | |
329 | .gpio = 7, | |
330 | .desc = "user", | |
331 | .wakeup = 1, | |
332 | }, | |
333 | }; | |
334 | ||
335 | static struct gpio_keys_platform_data gpio_key_info = { | |
336 | .buttons = gpio_buttons, | |
337 | .nbuttons = ARRAY_SIZE(gpio_buttons), | |
338 | }; | |
339 | ||
340 | static struct platform_device keys_gpio = { | |
341 | .name = "gpio-keys", | |
342 | .id = -1, | |
343 | .dev = { | |
344 | .platform_data = &gpio_key_info, | |
345 | }, | |
346 | }; | |
347 | ||
348 | static struct omap_board_config_kernel omap3_beagle_config[] __initdata = { | |
2885f000 SMK |
349 | { OMAP_TAG_LCD, &omap3_beagle_lcd_config }, |
350 | }; | |
351 | ||
352 | static struct platform_device *omap3_beagle_devices[] __initdata = { | |
353 | &omap3_beagle_lcd_device, | |
354 | &leds_gpio, | |
355 | &keys_gpio, | |
356 | }; | |
357 | ||
358 | static 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 | ||
396 | static void __init omap3_beagle_init(void) | |
397 | { | |
90c62bf0 | 398 | omap3_beagle_i2c_init(); |
2885f000 SMK |
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 | |
90c62bf0 TL |
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(); |
9fb97412 JP |
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); | |
2885f000 SMK |
416 | } |
417 | ||
418 | static void __init omap3_beagle_map_io(void) | |
419 | { | |
420 | omap2_set_globals_343x(); | |
421 | omap2_map_common_io(); | |
422 | } | |
423 | ||
424 | MACHINE_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, | |
433 | MACHINE_END |