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[OMAP_MAX_MCBSP_COUNT];
157 static int mcbsps_configured;
159 void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
164 if (size > OMAP_MAX_MCBSP_COUNT) {
165 printk(KERN_WARNING "Registered too many McBSPs platform_data."
166 " Using maximum (%d) available.\n",
167 OMAP_MAX_MCBSP_COUNT);
168 size = OMAP_MAX_MCBSP_COUNT;
171 for (i = 0; i < size; i++) {
172 struct platform_device *new_mcbsp = &omap_mcbsp_devices[i];
173 new_mcbsp->name = "omap-mcbsp";
174 new_mcbsp->id = i + 1;
175 new_mcbsp->dev.platform_data = &config[i];
177 mcbsps_configured = size;
180 static void __init omap_init_mcbsp(void)
184 for (i = 0; i < mcbsps_configured; i++)
185 platform_device_register(&omap_mcbsp_devices[i]);
188 void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
192 static inline void __init omap_init_mcbsp(void)
196 /*-------------------------------------------------------------------------*/
198 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) \
199 || defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
201 #if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
202 #define OMAP_MMC1_BASE 0x4809c000
203 #define OMAP_MMC1_END OMAP_MMC1_BASE + 0x1fc
204 #define OMAP_MMC1_INT INT_24XX_MMC_IRQ
206 #define OMAP_MMC2_BASE 0x480b4000
207 #define OMAP_MMC2_END OMAP_MMC2_BASE + 0x1fc
208 #define OMAP_MMC2_INT INT_24XX_MMC2_IRQ
212 #define OMAP_MMC1_BASE 0xfffb7800
213 #define OMAP_MMC1_END OMAP_MMC1_BASE + 0x7f
214 #define OMAP_MMC1_INT INT_MMC
216 #define OMAP_MMC2_BASE 0xfffb7c00 /* omap16xx only */
217 #define OMAP_MMC2_END OMAP_MMC2_BASE + 0x7f
218 #define OMAP_MMC2_INT INT_1610_MMC2
222 static struct omap_mmc_platform_data mmc1_data;
224 static u64 mmc1_dmamask = 0xffffffff;
226 static struct resource mmc1_resources[] = {
228 .start = OMAP_MMC1_BASE,
229 .end = OMAP_MMC1_END,
230 .flags = IORESOURCE_MEM,
233 .start = OMAP_MMC1_INT,
234 .flags = IORESOURCE_IRQ,
238 static struct platform_device mmc_omap_device1 = {
242 .dma_mask = &mmc1_dmamask,
243 .platform_data = &mmc1_data,
245 .num_resources = ARRAY_SIZE(mmc1_resources),
246 .resource = mmc1_resources,
249 #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \
250 defined(CONFIG_ARCH_OMAP34XX)
252 static struct omap_mmc_platform_data mmc2_data;
254 static u64 mmc2_dmamask = 0xffffffff;
257 static struct resource mmc2_resources[] = {
259 .start = OMAP_MMC2_BASE,
260 .end = OMAP_MMC2_END,
261 .flags = IORESOURCE_MEM,
264 .start = OMAP_MMC2_INT,
265 .flags = IORESOURCE_IRQ,
269 static struct platform_device mmc_omap_device2 = {
273 .dma_mask = &mmc2_dmamask,
274 .platform_data = &mmc2_data,
276 .num_resources = ARRAY_SIZE(mmc2_resources),
277 .resource = mmc2_resources,
281 static void __init omap_init_mmc(void)
283 const struct omap_mmc_config *mmc_conf;
284 const struct omap_mmc_conf *mmc;
286 /* NOTE: assumes MMC was never (wrongly) enabled */
287 mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config);
291 /* block 1 is always available and has just one pinout option */
292 mmc = &mmc_conf->mmc[0];
294 if (cpu_is_omap2430() || cpu_is_omap34xx()) {
296 (void) platform_device_register(&mmc_omap_device1);
298 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX)
299 mmc = &mmc_conf->mmc[1];
301 (void) platform_device_register(&mmc_omap_device2);
308 if (cpu_is_omap24xx()) {
309 omap_cfg_reg(H18_24XX_MMC_CMD);
310 omap_cfg_reg(H15_24XX_MMC_CLKI);
311 omap_cfg_reg(G19_24XX_MMC_CLKO);
312 omap_cfg_reg(F20_24XX_MMC_DAT0);
313 omap_cfg_reg(F19_24XX_MMC_DAT_DIR0);
314 omap_cfg_reg(G18_24XX_MMC_CMD_DIR);
316 omap_cfg_reg(MMC_CMD);
317 omap_cfg_reg(MMC_CLK);
318 omap_cfg_reg(MMC_DAT0);
319 if (cpu_is_omap1710()) {
320 omap_cfg_reg(M15_1710_MMC_CLKI);
321 omap_cfg_reg(P19_1710_MMC_CMDDIR);
322 omap_cfg_reg(P20_1710_MMC_DATDIR0);
326 if (cpu_is_omap24xx()) {
327 omap_cfg_reg(H14_24XX_MMC_DAT1);
328 omap_cfg_reg(E19_24XX_MMC_DAT2);
329 omap_cfg_reg(D19_24XX_MMC_DAT3);
330 omap_cfg_reg(E20_24XX_MMC_DAT_DIR1);
331 omap_cfg_reg(F18_24XX_MMC_DAT_DIR2);
332 omap_cfg_reg(E18_24XX_MMC_DAT_DIR3);
334 omap_cfg_reg(MMC_DAT1);
335 /* NOTE: DAT2 can be on W10 (here) or M15 */
337 omap_cfg_reg(MMC_DAT2);
338 omap_cfg_reg(MMC_DAT3);
341 #if defined(CONFIG_ARCH_OMAP2420)
342 if (mmc->internal_clock) {
344 * Use internal loop-back in MMC/SDIO
345 * Module Input Clock selection
347 if (cpu_is_omap24xx()) {
348 u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
349 v |= (1 << 24); /* not used in 243x */
350 omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
354 mmc1_data.conf = *mmc;
355 (void) platform_device_register(&mmc_omap_device1);
358 #ifdef CONFIG_ARCH_OMAP16XX
359 /* block 2 is on newer chips, and has many pinout options */
360 mmc = &mmc_conf->mmc[1];
363 omap_cfg_reg(Y8_1610_MMC2_CMD);
364 omap_cfg_reg(Y10_1610_MMC2_CLK);
365 omap_cfg_reg(R18_1610_MMC2_CLKIN);
366 omap_cfg_reg(W8_1610_MMC2_DAT0);
368 omap_cfg_reg(V8_1610_MMC2_DAT1);
369 omap_cfg_reg(W15_1610_MMC2_DAT2);
370 omap_cfg_reg(R10_1610_MMC2_DAT3);
373 /* These are needed for the level shifter */
374 omap_cfg_reg(V9_1610_MMC2_CMDDIR);
375 omap_cfg_reg(V5_1610_MMC2_DATDIR0);
376 omap_cfg_reg(W19_1610_MMC2_DATDIR1);
379 /* Feedback clock must be set on OMAP-1710 MMC2 */
380 if (cpu_is_omap1710())
381 omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),
383 mmc2_data.conf = *mmc;
384 (void) platform_device_register(&mmc_omap_device2);
390 void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info)
396 #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \
397 defined(CONFIG_ARCH_OMAP34XX)
408 void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info) {}
409 static inline void omap_init_mmc(void) {}
412 /*-------------------------------------------------------------------------*/
414 /* Numbering for the SPI-capable controllers when used for SPI:
421 #if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE)
423 #define OMAP_UWIRE_BASE 0xfffb3000
425 static struct resource uwire_resources[] = {
427 .start = OMAP_UWIRE_BASE,
428 .end = OMAP_UWIRE_BASE + 0x20,
429 .flags = IORESOURCE_MEM,
433 static struct platform_device omap_uwire_device = {
434 .name = "omap_uwire",
436 .num_resources = ARRAY_SIZE(uwire_resources),
437 .resource = uwire_resources,
440 static void omap_init_uwire(void)
442 /* FIXME define and use a boot tag; not all boards will be hooking
443 * up devices to the microwire controller, and multi-board configs
444 * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway...
447 /* board-specific code must configure chipselects (only a few
448 * are normally used) and SCLK/SDI/SDO (each has two choices).
450 (void) platform_device_register(&omap_uwire_device);
453 static inline void omap_init_uwire(void) {}
456 /*-------------------------------------------------------------------------*/
458 #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
460 #if defined(CONFIG_ARCH_OMAP34XX)
461 #define OMAP_WDT_BASE 0x48314000
462 #elif defined(CONFIG_ARCH_OMAP24XX)
464 #ifdef CONFIG_ARCH_OMAP2430
466 #define OMAP_WDT_BASE 0x49016000
468 #define OMAP_WDT_BASE 0x48022000
472 #define OMAP_WDT_BASE 0xfffeb000
475 static struct resource wdt_resources[] = {
477 .start = OMAP_WDT_BASE,
478 .end = OMAP_WDT_BASE + 0x4f,
479 .flags = IORESOURCE_MEM,
483 static struct platform_device omap_wdt_device = {
486 .num_resources = ARRAY_SIZE(wdt_resources),
487 .resource = wdt_resources,
490 static void omap_init_wdt(void)
492 (void) platform_device_register(&omap_wdt_device);
495 static inline void omap_init_wdt(void) {}
498 /*-------------------------------------------------------------------------*/
500 #if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE)
502 #ifdef CONFIG_ARCH_OMAP24XX
503 #define OMAP_RNG_BASE 0x480A0000
505 #define OMAP_RNG_BASE 0xfffe5000
508 static struct resource rng_resources[] = {
510 .start = OMAP_RNG_BASE,
511 .end = OMAP_RNG_BASE + 0x4f,
512 .flags = IORESOURCE_MEM,
516 static struct platform_device omap_rng_device = {
519 .num_resources = ARRAY_SIZE(rng_resources),
520 .resource = rng_resources,
523 static void omap_init_rng(void)
525 (void) platform_device_register(&omap_rng_device);
528 static inline void omap_init_rng(void) {}
532 * This gets called after board-specific INIT_MACHINE, and initializes most
533 * on-chip peripherals accessible on this board (except for few like USB):
535 * (a) Does any "standard config" pin muxing needed. Board-specific
536 * code will have muxed GPIO pins and done "nonstandard" setup;
537 * that code could live in the boot loader.
538 * (b) Populating board-specific platform_data with the data drivers
539 * rely on to handle wiring variations.
540 * (c) Creating platform devices as meaningful on this board and
541 * with this kernel configuration.
543 * Claiming GPIOs, and setting their direction and initial values, is the
544 * responsibility of the device drivers. So is responding to probe().
546 * Board-specific knowlege like creating devices or pin setup is to be
547 * kept out of drivers as much as possible. In particular, pin setup
548 * may be handled by the boot loader, and drivers should expect it will
549 * normally have been done by the time they're probed.
551 static int __init omap_init_devices(void)
553 /* please keep these calls, and their implementations above,
554 * in alphabetical order so they're easier to sort through.
565 arch_initcall(omap_init_devices);