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>
31 #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
33 static struct dsp_platform_data dsp_pdata = {
34 .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list),
37 static struct resource omap_dsp_resources[] = {
41 .flags = IORESOURCE_IRQ,
45 static struct platform_device omap_dsp_device = {
48 .num_resources = ARRAY_SIZE(omap_dsp_resources),
49 .resource = omap_dsp_resources,
51 .platform_data = &dsp_pdata,
55 static inline void omap_init_dsp(void)
60 if (cpu_is_omap15xx())
61 irq = INT_1510_DSP_MMU;
62 else if (cpu_is_omap16xx())
63 irq = INT_1610_DSP_MMU;
64 else if (cpu_is_omap24xx())
65 irq = INT_24XX_DSP_MMU;
67 res = platform_get_resource_byname(&omap_dsp_device,
68 IORESOURCE_IRQ, "dsp_mmu");
71 platform_device_register(&omap_dsp_device);
74 int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev)
76 static DEFINE_MUTEX(dsp_pdata_lock);
78 spin_lock_init(&kdev->lock);
80 mutex_lock(&dsp_pdata_lock);
81 list_add_tail(&kdev->entry, &dsp_pdata.kdev_list);
82 mutex_unlock(&dsp_pdata_lock);
86 EXPORT_SYMBOL(dsp_kfunc_device_register);
89 static inline void omap_init_dsp(void) { }
90 #endif /* CONFIG_OMAP_DSP */
92 /*-------------------------------------------------------------------------*/
93 #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
95 static void omap_init_kp(void)
97 /* REVISIT: 2430 keypad is on TWL4030 */
98 if (cpu_is_omap2430() || cpu_is_omap34xx())
101 if (machine_is_omap_h2() || machine_is_omap_h3()) {
102 omap_cfg_reg(F18_1610_KBC0);
103 omap_cfg_reg(D20_1610_KBC1);
104 omap_cfg_reg(D19_1610_KBC2);
105 omap_cfg_reg(E18_1610_KBC3);
106 omap_cfg_reg(C21_1610_KBC4);
108 omap_cfg_reg(G18_1610_KBR0);
109 omap_cfg_reg(F19_1610_KBR1);
110 omap_cfg_reg(H14_1610_KBR2);
111 omap_cfg_reg(E20_1610_KBR3);
112 omap_cfg_reg(E19_1610_KBR4);
113 omap_cfg_reg(N19_1610_KBR5);
114 } else if (machine_is_omap_perseus2() || machine_is_omap_fsample()) {
115 omap_cfg_reg(E2_730_KBR0);
116 omap_cfg_reg(J7_730_KBR1);
117 omap_cfg_reg(E1_730_KBR2);
118 omap_cfg_reg(F3_730_KBR3);
119 omap_cfg_reg(D2_730_KBR4);
121 omap_cfg_reg(C2_730_KBC0);
122 omap_cfg_reg(D3_730_KBC1);
123 omap_cfg_reg(E4_730_KBC2);
124 omap_cfg_reg(F4_730_KBC3);
125 omap_cfg_reg(E3_730_KBC4);
126 } else if (machine_is_omap_h4()) {
127 omap_cfg_reg(T19_24XX_KBR0);
128 omap_cfg_reg(R19_24XX_KBR1);
129 omap_cfg_reg(V18_24XX_KBR2);
130 omap_cfg_reg(M21_24XX_KBR3);
131 omap_cfg_reg(E5__24XX_KBR4);
132 if (omap_has_menelaus()) {
133 omap_cfg_reg(B3__24XX_KBR5);
134 omap_cfg_reg(AA4_24XX_KBC2);
135 omap_cfg_reg(B13_24XX_KBC6);
137 omap_cfg_reg(M18_24XX_KBR5);
138 omap_cfg_reg(H19_24XX_KBC2);
139 omap_cfg_reg(N19_24XX_KBC6);
141 omap_cfg_reg(R20_24XX_KBC0);
142 omap_cfg_reg(M14_24XX_KBC1);
143 omap_cfg_reg(V17_24XX_KBC3);
144 omap_cfg_reg(P21_24XX_KBC4);
145 omap_cfg_reg(L14_24XX_KBC5);
149 static inline void omap_init_kp(void) {}
152 /*-------------------------------------------------------------------------*/
154 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) \
155 || defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
157 #if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
158 #define OMAP_MMC1_BASE 0x4809c000
159 #define OMAP_MMC1_END OMAP_MMC1_BASE + 0x1fc
160 #define OMAP_MMC1_INT INT_24XX_MMC_IRQ
162 #define OMAP_MMC2_BASE 0x480b4000
163 #define OMAP_MMC2_END OMAP_MMC2_BASE + 0x1fc
164 #define OMAP_MMC2_INT INT_24XX_MMC2_IRQ
168 #define OMAP_MMC1_BASE 0xfffb7800
169 #define OMAP_MMC1_END OMAP_MMC1_BASE + 0x7f
170 #define OMAP_MMC1_INT INT_MMC
172 #define OMAP_MMC2_BASE 0xfffb7c00 /* omap16xx only */
173 #define OMAP_MMC2_END OMAP_MMC2_BASE + 0x7f
174 #define OMAP_MMC2_INT INT_1610_MMC2
178 static struct omap_mmc_platform_data mmc1_data;
180 static u64 mmc1_dmamask = 0xffffffff;
182 static struct resource mmc1_resources[] = {
184 .start = OMAP_MMC1_BASE,
185 .end = OMAP_MMC1_END,
186 .flags = IORESOURCE_MEM,
189 .start = OMAP_MMC1_INT,
190 .flags = IORESOURCE_IRQ,
194 static struct platform_device mmc_omap_device1 = {
198 .dma_mask = &mmc1_dmamask,
199 .platform_data = &mmc1_data,
201 .num_resources = ARRAY_SIZE(mmc1_resources),
202 .resource = mmc1_resources,
205 #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \
206 defined(CONFIG_ARCH_OMAP34XX)
208 static struct omap_mmc_platform_data mmc2_data;
210 static u64 mmc2_dmamask = 0xffffffff;
213 static struct resource mmc2_resources[] = {
215 .start = OMAP_MMC2_BASE,
216 .end = OMAP_MMC2_END,
217 .flags = IORESOURCE_MEM,
220 .start = OMAP_MMC2_INT,
221 .flags = IORESOURCE_IRQ,
225 static struct platform_device mmc_omap_device2 = {
229 .dma_mask = &mmc2_dmamask,
230 .platform_data = &mmc2_data,
232 .num_resources = ARRAY_SIZE(mmc2_resources),
233 .resource = mmc2_resources,
237 static void __init omap_init_mmc(void)
239 const struct omap_mmc_config *mmc_conf;
240 const struct omap_mmc_conf *mmc;
242 /* NOTE: assumes MMC was never (wrongly) enabled */
243 mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config);
247 /* block 1 is always available and has just one pinout option */
248 mmc = &mmc_conf->mmc[0];
250 if (cpu_is_omap2430() || cpu_is_omap34xx()) {
252 (void) platform_device_register(&mmc_omap_device1);
254 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX)
255 mmc = &mmc_conf->mmc[1];
257 (void) platform_device_register(&mmc_omap_device2);
264 if (cpu_is_omap24xx()) {
265 omap_cfg_reg(H18_24XX_MMC_CMD);
266 omap_cfg_reg(H15_24XX_MMC_CLKI);
267 omap_cfg_reg(G19_24XX_MMC_CLKO);
268 omap_cfg_reg(F20_24XX_MMC_DAT0);
269 omap_cfg_reg(F19_24XX_MMC_DAT_DIR0);
270 omap_cfg_reg(G18_24XX_MMC_CMD_DIR);
272 omap_cfg_reg(MMC_CMD);
273 omap_cfg_reg(MMC_CLK);
274 omap_cfg_reg(MMC_DAT0);
275 if (cpu_is_omap1710()) {
276 omap_cfg_reg(M15_1710_MMC_CLKI);
277 omap_cfg_reg(P19_1710_MMC_CMDDIR);
278 omap_cfg_reg(P20_1710_MMC_DATDIR0);
282 if (cpu_is_omap24xx()) {
283 omap_cfg_reg(H14_24XX_MMC_DAT1);
284 omap_cfg_reg(E19_24XX_MMC_DAT2);
285 omap_cfg_reg(D19_24XX_MMC_DAT3);
286 omap_cfg_reg(E20_24XX_MMC_DAT_DIR1);
287 omap_cfg_reg(F18_24XX_MMC_DAT_DIR2);
288 omap_cfg_reg(E18_24XX_MMC_DAT_DIR3);
290 omap_cfg_reg(MMC_DAT1);
291 /* NOTE: DAT2 can be on W10 (here) or M15 */
293 omap_cfg_reg(MMC_DAT2);
294 omap_cfg_reg(MMC_DAT3);
297 #if defined(CONFIG_ARCH_OMAP2420)
298 if (mmc->internal_clock) {
300 * Use internal loop-back in MMC/SDIO
301 * Module Input Clock selection
303 if (cpu_is_omap24xx()) {
304 u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
305 v |= (1 << 24); /* not used in 243x */
306 omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
310 mmc1_data.conf = *mmc;
311 (void) platform_device_register(&mmc_omap_device1);
314 #ifdef CONFIG_ARCH_OMAP16XX
315 /* block 2 is on newer chips, and has many pinout options */
316 mmc = &mmc_conf->mmc[1];
319 omap_cfg_reg(Y8_1610_MMC2_CMD);
320 omap_cfg_reg(Y10_1610_MMC2_CLK);
321 omap_cfg_reg(R18_1610_MMC2_CLKIN);
322 omap_cfg_reg(W8_1610_MMC2_DAT0);
324 omap_cfg_reg(V8_1610_MMC2_DAT1);
325 omap_cfg_reg(W15_1610_MMC2_DAT2);
326 omap_cfg_reg(R10_1610_MMC2_DAT3);
329 /* These are needed for the level shifter */
330 omap_cfg_reg(V9_1610_MMC2_CMDDIR);
331 omap_cfg_reg(V5_1610_MMC2_DATDIR0);
332 omap_cfg_reg(W19_1610_MMC2_DATDIR1);
335 /* Feedback clock must be set on OMAP-1710 MMC2 */
336 if (cpu_is_omap1710())
337 omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),
339 mmc2_data.conf = *mmc;
340 (void) platform_device_register(&mmc_omap_device2);
346 void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info)
352 #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \
353 defined(CONFIG_ARCH_OMAP34XX)
364 void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info) {}
365 static inline void omap_init_mmc(void) {}
368 /*-------------------------------------------------------------------------*/
370 /* Numbering for the SPI-capable controllers when used for SPI:
377 #if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE)
379 #define OMAP_UWIRE_BASE 0xfffb3000
381 static struct resource uwire_resources[] = {
383 .start = OMAP_UWIRE_BASE,
384 .end = OMAP_UWIRE_BASE + 0x20,
385 .flags = IORESOURCE_MEM,
389 static struct platform_device omap_uwire_device = {
390 .name = "omap_uwire",
392 .num_resources = ARRAY_SIZE(uwire_resources),
393 .resource = uwire_resources,
396 static void omap_init_uwire(void)
398 /* FIXME define and use a boot tag; not all boards will be hooking
399 * up devices to the microwire controller, and multi-board configs
400 * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway...
403 /* board-specific code must configure chipselects (only a few
404 * are normally used) and SCLK/SDI/SDO (each has two choices).
406 (void) platform_device_register(&omap_uwire_device);
409 static inline void omap_init_uwire(void) {}
412 /*-------------------------------------------------------------------------*/
414 #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
416 #if defined(CONFIG_ARCH_OMAP34XX)
417 #define OMAP_WDT_BASE 0x48314000
418 #elif defined(CONFIG_ARCH_OMAP24XX)
420 #ifdef CONFIG_ARCH_OMAP2430
422 #define OMAP_WDT_BASE 0x49016000
424 #define OMAP_WDT_BASE 0x48022000
428 #define OMAP_WDT_BASE 0xfffeb000
431 static struct resource wdt_resources[] = {
433 .start = OMAP_WDT_BASE,
434 .end = OMAP_WDT_BASE + 0x4f,
435 .flags = IORESOURCE_MEM,
439 static struct platform_device omap_wdt_device = {
442 .num_resources = ARRAY_SIZE(wdt_resources),
443 .resource = wdt_resources,
446 static void omap_init_wdt(void)
448 (void) platform_device_register(&omap_wdt_device);
451 static inline void omap_init_wdt(void) {}
454 /*-------------------------------------------------------------------------*/
456 #if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE)
458 #ifdef CONFIG_ARCH_OMAP24XX
459 #define OMAP_RNG_BASE 0x480A0000
461 #define OMAP_RNG_BASE 0xfffe5000
464 static struct resource rng_resources[] = {
466 .start = OMAP_RNG_BASE,
467 .end = OMAP_RNG_BASE + 0x4f,
468 .flags = IORESOURCE_MEM,
472 static struct platform_device omap_rng_device = {
475 .num_resources = ARRAY_SIZE(rng_resources),
476 .resource = rng_resources,
479 static void omap_init_rng(void)
481 (void) platform_device_register(&omap_rng_device);
484 static inline void omap_init_rng(void) {}
488 * This gets called after board-specific INIT_MACHINE, and initializes most
489 * on-chip peripherals accessible on this board (except for few like USB):
491 * (a) Does any "standard config" pin muxing needed. Board-specific
492 * code will have muxed GPIO pins and done "nonstandard" setup;
493 * that code could live in the boot loader.
494 * (b) Populating board-specific platform_data with the data drivers
495 * rely on to handle wiring variations.
496 * (c) Creating platform devices as meaningful on this board and
497 * with this kernel configuration.
499 * Claiming GPIOs, and setting their direction and initial values, is the
500 * responsibility of the device drivers. So is responding to probe().
502 * Board-specific knowlege like creating devices or pin setup is to be
503 * kept out of drivers as much as possible. In particular, pin setup
504 * may be handled by the boot loader, and drivers should expect it will
505 * normally have been done by the time they're probed.
507 static int __init omap_init_devices(void)
509 /* please keep these calls, and their implementations above,
510 * in alphabetical order so they're easier to sort through.
520 arch_initcall(omap_init_devices);