2 * linux/arch/arm/plat-omap/devices.c
4 * Common platform device setup/initialization for OMAP1 and OMAP2
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
12 #include <linux/module.h>
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
17 #include <asm/hardware.h>
19 #include <asm/mach-types.h>
20 #include <asm/mach/map.h>
22 #include <asm/arch/tc.h>
23 #include <asm/arch/control.h>
24 #include <asm/arch/board.h>
25 #include <asm/arch/mmc.h>
26 #include <asm/arch/mux.h>
27 #include <asm/arch/gpio.h>
28 #include <asm/arch/menelaus.h>
29 #include <asm/arch/dsp_common.h>
30 #include <asm/arch/mcbsp.h>
32 #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
34 static struct dsp_platform_data dsp_pdata = {
35 .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list),
38 static struct resource omap_dsp_resources[] = {
42 .flags = IORESOURCE_IRQ,
46 static struct platform_device omap_dsp_device = {
49 .num_resources = ARRAY_SIZE(omap_dsp_resources),
50 .resource = omap_dsp_resources,
52 .platform_data = &dsp_pdata,
56 static inline void omap_init_dsp(void)
61 if (cpu_is_omap15xx())
62 irq = INT_1510_DSP_MMU;
63 else if (cpu_is_omap16xx())
64 irq = INT_1610_DSP_MMU;
65 else if (cpu_is_omap24xx())
66 irq = INT_24XX_DSP_MMU;
68 res = platform_get_resource_byname(&omap_dsp_device,
69 IORESOURCE_IRQ, "dsp_mmu");
72 platform_device_register(&omap_dsp_device);
75 int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev)
77 static DEFINE_MUTEX(dsp_pdata_lock);
79 spin_lock_init(&kdev->lock);
81 mutex_lock(&dsp_pdata_lock);
82 list_add_tail(&kdev->entry, &dsp_pdata.kdev_list);
83 mutex_unlock(&dsp_pdata_lock);
87 EXPORT_SYMBOL(dsp_kfunc_device_register);
90 static inline void omap_init_dsp(void) { }
91 #endif /* CONFIG_OMAP_DSP */
93 /*-------------------------------------------------------------------------*/
94 #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
96 static void omap_init_kp(void)
98 /* REVISIT: 2430 keypad is on TWL4030 */
99 if (cpu_is_omap2430() || cpu_is_omap34xx())
102 if (machine_is_omap_h2() || machine_is_omap_h3()) {
103 omap_cfg_reg(F18_1610_KBC0);
104 omap_cfg_reg(D20_1610_KBC1);
105 omap_cfg_reg(D19_1610_KBC2);
106 omap_cfg_reg(E18_1610_KBC3);
107 omap_cfg_reg(C21_1610_KBC4);
109 omap_cfg_reg(G18_1610_KBR0);
110 omap_cfg_reg(F19_1610_KBR1);
111 omap_cfg_reg(H14_1610_KBR2);
112 omap_cfg_reg(E20_1610_KBR3);
113 omap_cfg_reg(E19_1610_KBR4);
114 omap_cfg_reg(N19_1610_KBR5);
115 } else if (machine_is_omap_perseus2() || machine_is_omap_fsample()) {
116 omap_cfg_reg(E2_730_KBR0);
117 omap_cfg_reg(J7_730_KBR1);
118 omap_cfg_reg(E1_730_KBR2);
119 omap_cfg_reg(F3_730_KBR3);
120 omap_cfg_reg(D2_730_KBR4);
122 omap_cfg_reg(C2_730_KBC0);
123 omap_cfg_reg(D3_730_KBC1);
124 omap_cfg_reg(E4_730_KBC2);
125 omap_cfg_reg(F4_730_KBC3);
126 omap_cfg_reg(E3_730_KBC4);
127 } else if (machine_is_omap_h4()) {
128 omap_cfg_reg(T19_24XX_KBR0);
129 omap_cfg_reg(R19_24XX_KBR1);
130 omap_cfg_reg(V18_24XX_KBR2);
131 omap_cfg_reg(M21_24XX_KBR3);
132 omap_cfg_reg(E5__24XX_KBR4);
133 if (omap_has_menelaus()) {
134 omap_cfg_reg(B3__24XX_KBR5);
135 omap_cfg_reg(AA4_24XX_KBC2);
136 omap_cfg_reg(B13_24XX_KBC6);
138 omap_cfg_reg(M18_24XX_KBR5);
139 omap_cfg_reg(H19_24XX_KBC2);
140 omap_cfg_reg(N19_24XX_KBC6);
142 omap_cfg_reg(R20_24XX_KBC0);
143 omap_cfg_reg(M14_24XX_KBC1);
144 omap_cfg_reg(V17_24XX_KBC3);
145 omap_cfg_reg(P21_24XX_KBC4);
146 omap_cfg_reg(L14_24XX_KBC5);
150 static inline void omap_init_kp(void) {}
153 /*-------------------------------------------------------------------------*/
154 #if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE)
156 static struct platform_device **omap_mcbsp_devices;
158 void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
163 if (size > OMAP_MAX_MCBSP_COUNT) {
164 printk(KERN_WARNING "Registered too many McBSPs platform_data."
165 " Using maximum (%d) available.\n",
166 OMAP_MAX_MCBSP_COUNT);
167 size = OMAP_MAX_MCBSP_COUNT;
170 omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *),
172 if (!omap_mcbsp_devices) {
173 printk(KERN_ERR "Could not register McBSP devices\n");
177 for (i = 0; i < size; i++) {
178 struct platform_device *new_mcbsp;
181 new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1);
184 new_mcbsp->dev.platform_data = &config[i];
185 ret = platform_device_add(new_mcbsp);
187 platform_device_put(new_mcbsp);
190 omap_mcbsp_devices[i] = new_mcbsp;
195 void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
200 /*-------------------------------------------------------------------------*/
202 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) \
203 || defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
205 #if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
206 #define OMAP_MMC1_BASE 0x4809c000
207 #define OMAP_MMC1_END OMAP_MMC1_BASE + 0x1fc
208 #define OMAP_MMC1_INT INT_24XX_MMC_IRQ
210 #define OMAP_MMC2_BASE 0x480b4000
211 #define OMAP_MMC2_END OMAP_MMC2_BASE + 0x1fc
212 #define OMAP_MMC2_INT INT_24XX_MMC2_IRQ
216 #define OMAP_MMC1_BASE 0xfffb7800
217 #define OMAP_MMC1_END OMAP_MMC1_BASE + 0x7f
218 #define OMAP_MMC1_INT INT_MMC
220 #define OMAP_MMC2_BASE 0xfffb7c00 /* omap16xx only */
221 #define OMAP_MMC2_END OMAP_MMC2_BASE + 0x7f
222 #define OMAP_MMC2_INT INT_1610_MMC2
226 static struct omap_mmc_platform_data mmc1_data;
228 static u64 mmc1_dmamask = 0xffffffff;
230 static struct resource mmc1_resources[] = {
232 .start = OMAP_MMC1_BASE,
233 .end = OMAP_MMC1_END,
234 .flags = IORESOURCE_MEM,
237 .start = OMAP_MMC1_INT,
238 .flags = IORESOURCE_IRQ,
242 static struct platform_device mmc_omap_device1 = {
246 .dma_mask = &mmc1_dmamask,
247 .platform_data = &mmc1_data,
249 .num_resources = ARRAY_SIZE(mmc1_resources),
250 .resource = mmc1_resources,
253 #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \
254 defined(CONFIG_ARCH_OMAP34XX)
256 static struct omap_mmc_platform_data mmc2_data;
258 static u64 mmc2_dmamask = 0xffffffff;
261 static struct resource mmc2_resources[] = {
263 .start = OMAP_MMC2_BASE,
264 .end = OMAP_MMC2_END,
265 .flags = IORESOURCE_MEM,
268 .start = OMAP_MMC2_INT,
269 .flags = IORESOURCE_IRQ,
273 static struct platform_device mmc_omap_device2 = {
277 .dma_mask = &mmc2_dmamask,
278 .platform_data = &mmc2_data,
280 .num_resources = ARRAY_SIZE(mmc2_resources),
281 .resource = mmc2_resources,
285 static void __init omap_init_mmc(void)
287 const struct omap_mmc_config *mmc_conf;
288 const struct omap_mmc_conf *mmc;
290 /* NOTE: assumes MMC was never (wrongly) enabled */
291 mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config);
295 /* block 1 is always available and has just one pinout option */
296 mmc = &mmc_conf->mmc[0];
298 if (cpu_is_omap2430() || cpu_is_omap34xx()) {
300 (void) platform_device_register(&mmc_omap_device1);
302 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX)
303 mmc = &mmc_conf->mmc[1];
305 (void) platform_device_register(&mmc_omap_device2);
312 if (cpu_is_omap24xx()) {
313 omap_cfg_reg(H18_24XX_MMC_CMD);
314 omap_cfg_reg(H15_24XX_MMC_CLKI);
315 omap_cfg_reg(G19_24XX_MMC_CLKO);
316 omap_cfg_reg(F20_24XX_MMC_DAT0);
317 omap_cfg_reg(F19_24XX_MMC_DAT_DIR0);
318 omap_cfg_reg(G18_24XX_MMC_CMD_DIR);
320 omap_cfg_reg(MMC_CMD);
321 omap_cfg_reg(MMC_CLK);
322 omap_cfg_reg(MMC_DAT0);
323 if (cpu_is_omap1710()) {
324 omap_cfg_reg(M15_1710_MMC_CLKI);
325 omap_cfg_reg(P19_1710_MMC_CMDDIR);
326 omap_cfg_reg(P20_1710_MMC_DATDIR0);
330 if (cpu_is_omap24xx()) {
331 omap_cfg_reg(H14_24XX_MMC_DAT1);
332 omap_cfg_reg(E19_24XX_MMC_DAT2);
333 omap_cfg_reg(D19_24XX_MMC_DAT3);
334 omap_cfg_reg(E20_24XX_MMC_DAT_DIR1);
335 omap_cfg_reg(F18_24XX_MMC_DAT_DIR2);
336 omap_cfg_reg(E18_24XX_MMC_DAT_DIR3);
338 omap_cfg_reg(MMC_DAT1);
339 /* NOTE: DAT2 can be on W10 (here) or M15 */
341 omap_cfg_reg(MMC_DAT2);
342 omap_cfg_reg(MMC_DAT3);
345 #if defined(CONFIG_ARCH_OMAP2420)
346 if (mmc->internal_clock) {
348 * Use internal loop-back in MMC/SDIO
349 * Module Input Clock selection
351 if (cpu_is_omap24xx()) {
352 u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
353 v |= (1 << 24); /* not used in 243x */
354 omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
358 mmc1_data.conf = *mmc;
359 (void) platform_device_register(&mmc_omap_device1);
362 #ifdef CONFIG_ARCH_OMAP16XX
363 /* block 2 is on newer chips, and has many pinout options */
364 mmc = &mmc_conf->mmc[1];
367 omap_cfg_reg(Y8_1610_MMC2_CMD);
368 omap_cfg_reg(Y10_1610_MMC2_CLK);
369 omap_cfg_reg(R18_1610_MMC2_CLKIN);
370 omap_cfg_reg(W8_1610_MMC2_DAT0);
372 omap_cfg_reg(V8_1610_MMC2_DAT1);
373 omap_cfg_reg(W15_1610_MMC2_DAT2);
374 omap_cfg_reg(R10_1610_MMC2_DAT3);
377 /* These are needed for the level shifter */
378 omap_cfg_reg(V9_1610_MMC2_CMDDIR);
379 omap_cfg_reg(V5_1610_MMC2_DATDIR0);
380 omap_cfg_reg(W19_1610_MMC2_DATDIR1);
383 /* Feedback clock must be set on OMAP-1710 MMC2 */
384 if (cpu_is_omap1710())
385 omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),
387 mmc2_data.conf = *mmc;
388 (void) platform_device_register(&mmc_omap_device2);
394 void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info)
400 #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \
401 defined(CONFIG_ARCH_OMAP34XX)
412 void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info) {}
413 static inline void omap_init_mmc(void) {}
416 /*-------------------------------------------------------------------------*/
418 /* Numbering for the SPI-capable controllers when used for SPI:
425 #if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE)
427 #define OMAP_UWIRE_BASE 0xfffb3000
429 static struct resource uwire_resources[] = {
431 .start = OMAP_UWIRE_BASE,
432 .end = OMAP_UWIRE_BASE + 0x20,
433 .flags = IORESOURCE_MEM,
437 static struct platform_device omap_uwire_device = {
438 .name = "omap_uwire",
440 .num_resources = ARRAY_SIZE(uwire_resources),
441 .resource = uwire_resources,
444 static void omap_init_uwire(void)
446 /* FIXME define and use a boot tag; not all boards will be hooking
447 * up devices to the microwire controller, and multi-board configs
448 * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway...
451 /* board-specific code must configure chipselects (only a few
452 * are normally used) and SCLK/SDI/SDO (each has two choices).
454 (void) platform_device_register(&omap_uwire_device);
457 static inline void omap_init_uwire(void) {}
460 /*-------------------------------------------------------------------------*/
462 #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
464 #if defined(CONFIG_ARCH_OMAP34XX)
465 #define OMAP_WDT_BASE 0x48314000
466 #elif defined(CONFIG_ARCH_OMAP24XX)
468 #ifdef CONFIG_ARCH_OMAP2430
470 #define OMAP_WDT_BASE 0x49016000
472 #define OMAP_WDT_BASE 0x48022000
476 #define OMAP_WDT_BASE 0xfffeb000
479 static struct resource wdt_resources[] = {
481 .start = OMAP_WDT_BASE,
482 .end = OMAP_WDT_BASE + 0x4f,
483 .flags = IORESOURCE_MEM,
487 static struct platform_device omap_wdt_device = {
490 .num_resources = ARRAY_SIZE(wdt_resources),
491 .resource = wdt_resources,
494 static void omap_init_wdt(void)
496 (void) platform_device_register(&omap_wdt_device);
499 static inline void omap_init_wdt(void) {}
502 /*-------------------------------------------------------------------------*/
504 #if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE)
506 #ifdef CONFIG_ARCH_OMAP24XX
507 #define OMAP_RNG_BASE 0x480A0000
509 #define OMAP_RNG_BASE 0xfffe5000
512 static struct resource rng_resources[] = {
514 .start = OMAP_RNG_BASE,
515 .end = OMAP_RNG_BASE + 0x4f,
516 .flags = IORESOURCE_MEM,
520 static struct platform_device omap_rng_device = {
523 .num_resources = ARRAY_SIZE(rng_resources),
524 .resource = rng_resources,
527 static void omap_init_rng(void)
529 (void) platform_device_register(&omap_rng_device);
532 static inline void omap_init_rng(void) {}
536 * This gets called after board-specific INIT_MACHINE, and initializes most
537 * on-chip peripherals accessible on this board (except for few like USB):
539 * (a) Does any "standard config" pin muxing needed. Board-specific
540 * code will have muxed GPIO pins and done "nonstandard" setup;
541 * that code could live in the boot loader.
542 * (b) Populating board-specific platform_data with the data drivers
543 * rely on to handle wiring variations.
544 * (c) Creating platform devices as meaningful on this board and
545 * with this kernel configuration.
547 * Claiming GPIOs, and setting their direction and initial values, is the
548 * responsibility of the device drivers. So is responding to probe().
550 * Board-specific knowlege like creating devices or pin setup is to be
551 * kept out of drivers as much as possible. In particular, pin setup
552 * may be handled by the boot loader, and drivers should expect it will
553 * normally have been done by the time they're probed.
555 static int __init omap_init_devices(void)
557 /* please keep these calls, and their implementations above,
558 * in alphabetical order so they're easier to sort through.
568 arch_initcall(omap_init_devices);