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>
18 #include <mach/hardware.h>
19 #include <asm/mach-types.h>
20 #include <asm/mach/map.h>
23 #include <mach/board.h>
26 #include <mach/gpio.h>
27 #include <mach/menelaus.h>
28 #include <mach/mcbsp.h>
30 #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
32 #include "../plat-omap/dsp/dsp_common.h"
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 mutex_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 if (machine_is_omap_h2() || machine_is_omap_h3()) {
99 omap_cfg_reg(F18_1610_KBC0
);
100 omap_cfg_reg(D20_1610_KBC1
);
101 omap_cfg_reg(D19_1610_KBC2
);
102 omap_cfg_reg(E18_1610_KBC3
);
103 omap_cfg_reg(C21_1610_KBC4
);
105 omap_cfg_reg(G18_1610_KBR0
);
106 omap_cfg_reg(F19_1610_KBR1
);
107 omap_cfg_reg(H14_1610_KBR2
);
108 omap_cfg_reg(E20_1610_KBR3
);
109 omap_cfg_reg(E19_1610_KBR4
);
110 omap_cfg_reg(N19_1610_KBR5
);
111 } else if (machine_is_omap_perseus2() || machine_is_omap_fsample()) {
112 omap_cfg_reg(E2_730_KBR0
);
113 omap_cfg_reg(J7_730_KBR1
);
114 omap_cfg_reg(E1_730_KBR2
);
115 omap_cfg_reg(F3_730_KBR3
);
116 omap_cfg_reg(D2_730_KBR4
);
118 omap_cfg_reg(C2_730_KBC0
);
119 omap_cfg_reg(D3_730_KBC1
);
120 omap_cfg_reg(E4_730_KBC2
);
121 omap_cfg_reg(F4_730_KBC3
);
122 omap_cfg_reg(E3_730_KBC4
);
123 } else if (machine_is_omap_h4()) {
124 omap_cfg_reg(T19_24XX_KBR0
);
125 omap_cfg_reg(R19_24XX_KBR1
);
126 omap_cfg_reg(V18_24XX_KBR2
);
127 omap_cfg_reg(M21_24XX_KBR3
);
128 omap_cfg_reg(E5__24XX_KBR4
);
129 if (omap_has_menelaus()) {
130 omap_cfg_reg(B3__24XX_KBR5
);
131 omap_cfg_reg(AA4_24XX_KBC2
);
132 omap_cfg_reg(B13_24XX_KBC6
);
134 omap_cfg_reg(M18_24XX_KBR5
);
135 omap_cfg_reg(H19_24XX_KBC2
);
136 omap_cfg_reg(N19_24XX_KBC6
);
138 omap_cfg_reg(R20_24XX_KBC0
);
139 omap_cfg_reg(M14_24XX_KBC1
);
140 omap_cfg_reg(V17_24XX_KBC3
);
141 omap_cfg_reg(P21_24XX_KBC4
);
142 omap_cfg_reg(L14_24XX_KBC5
);
146 static inline void omap_init_kp(void) {}
149 /*-------------------------------------------------------------------------*/
150 #if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE)
152 static struct platform_device
**omap_mcbsp_devices
;
154 void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data
*config
,
159 if (size
> OMAP_MAX_MCBSP_COUNT
) {
160 printk(KERN_WARNING
"Registered too many McBSPs platform_data."
161 " Using maximum (%d) available.\n",
162 OMAP_MAX_MCBSP_COUNT
);
163 size
= OMAP_MAX_MCBSP_COUNT
;
166 omap_mcbsp_devices
= kzalloc(size
* sizeof(struct platform_device
*),
168 if (!omap_mcbsp_devices
) {
169 printk(KERN_ERR
"Could not register McBSP devices\n");
173 for (i
= 0; i
< size
; i
++) {
174 struct platform_device
*new_mcbsp
;
177 new_mcbsp
= platform_device_alloc("omap-mcbsp", i
+ 1);
180 new_mcbsp
->dev
.platform_data
= &config
[i
];
181 ret
= platform_device_add(new_mcbsp
);
183 platform_device_put(new_mcbsp
);
186 omap_mcbsp_devices
[i
] = new_mcbsp
;
191 void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data
*config
,
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;
256 static struct resource mmc2_resources
[] = {
258 .start
= OMAP_MMC2_BASE
,
259 .end
= OMAP_MMC2_END
,
260 .flags
= IORESOURCE_MEM
,
263 .start
= OMAP_MMC2_INT
,
264 .flags
= IORESOURCE_IRQ
,
268 static struct platform_device mmc_omap_device2
= {
272 .dma_mask
= &mmc2_dmamask
,
273 .platform_data
= &mmc2_data
,
275 .num_resources
= ARRAY_SIZE(mmc2_resources
),
276 .resource
= mmc2_resources
,
280 static inline void omap_init_mmc_conf(const struct omap_mmc_config
*mmc_conf
)
282 if (cpu_is_omap2430() || cpu_is_omap34xx())
285 if (mmc_conf
->mmc
[0].enabled
) {
286 if (cpu_is_omap24xx()) {
287 omap_cfg_reg(H18_24XX_MMC_CMD
);
288 omap_cfg_reg(H15_24XX_MMC_CLKI
);
289 omap_cfg_reg(G19_24XX_MMC_CLKO
);
290 omap_cfg_reg(F20_24XX_MMC_DAT0
);
291 omap_cfg_reg(F19_24XX_MMC_DAT_DIR0
);
292 omap_cfg_reg(G18_24XX_MMC_CMD_DIR
);
294 omap_cfg_reg(MMC_CMD
);
295 omap_cfg_reg(MMC_CLK
);
296 omap_cfg_reg(MMC_DAT0
);
297 if (cpu_is_omap1710()) {
298 omap_cfg_reg(M15_1710_MMC_CLKI
);
299 omap_cfg_reg(P19_1710_MMC_CMDDIR
);
300 omap_cfg_reg(P20_1710_MMC_DATDIR0
);
303 if (mmc_conf
->mmc
[0].wire4
) {
304 if (cpu_is_omap24xx()) {
305 omap_cfg_reg(H14_24XX_MMC_DAT1
);
306 omap_cfg_reg(E19_24XX_MMC_DAT2
);
307 omap_cfg_reg(D19_24XX_MMC_DAT3
);
308 omap_cfg_reg(E20_24XX_MMC_DAT_DIR1
);
309 omap_cfg_reg(F18_24XX_MMC_DAT_DIR2
);
310 omap_cfg_reg(E18_24XX_MMC_DAT_DIR3
);
312 omap_cfg_reg(MMC_DAT1
);
313 /* NOTE: DAT2 can be on W10 (here) or M15 */
314 if (!mmc_conf
->mmc
[0].nomux
)
315 omap_cfg_reg(MMC_DAT2
);
316 omap_cfg_reg(MMC_DAT3
);
321 #ifdef CONFIG_ARCH_OMAP16XX
322 /* block 2 is on newer chips, and has many pinout options */
323 if (mmc_conf
->mmc
[1].enabled
) {
324 if (!mmc_conf
->mmc
[1].nomux
) {
325 omap_cfg_reg(Y8_1610_MMC2_CMD
);
326 omap_cfg_reg(Y10_1610_MMC2_CLK
);
327 omap_cfg_reg(R18_1610_MMC2_CLKIN
);
328 omap_cfg_reg(W8_1610_MMC2_DAT0
);
329 if (mmc_conf
->mmc
[1].wire4
) {
330 omap_cfg_reg(V8_1610_MMC2_DAT1
);
331 omap_cfg_reg(W15_1610_MMC2_DAT2
);
332 omap_cfg_reg(R10_1610_MMC2_DAT3
);
335 /* These are needed for the level shifter */
336 omap_cfg_reg(V9_1610_MMC2_CMDDIR
);
337 omap_cfg_reg(V5_1610_MMC2_DATDIR0
);
338 omap_cfg_reg(W19_1610_MMC2_DATDIR1
);
341 /* Feedback clock must be set on OMAP-1710 MMC2 */
342 if (cpu_is_omap1710())
343 omap_writel(omap_readl(MOD_CONF_CTRL_1
) | (1 << 24),
349 static void __init
omap_init_mmc(void)
351 const struct omap_mmc_config
*mmc_conf
;
353 /* NOTE: assumes MMC was never (wrongly) enabled */
354 mmc_conf
= omap_get_config(OMAP_TAG_MMC
, struct omap_mmc_config
);
358 omap_init_mmc_conf(mmc_conf
);
360 if (mmc_conf
->mmc
[0].enabled
) {
361 mmc1_data
.conf
= mmc_conf
->mmc
[0];
362 (void) platform_device_register(&mmc_omap_device1
);
365 #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \
366 defined(CONFIG_ARCH_OMAP34XX)
367 if (mmc_conf
->mmc
[1].enabled
) {
368 mmc2_data
.conf
= mmc_conf
->mmc
[1];
369 (void) platform_device_register(&mmc_omap_device2
);
374 void omap_set_mmc_info(int host
, const struct omap_mmc_platform_data
*info
)
380 #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \
381 defined(CONFIG_ARCH_OMAP34XX)
392 static inline void omap_init_mmc(void) {}
393 void omap_set_mmc_info(int host
, const struct omap_mmc_platform_data
*info
) {}
396 /*-------------------------------------------------------------------------*/
398 /* Numbering for the SPI-capable controllers when used for SPI:
405 #if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE)
407 #define OMAP_UWIRE_BASE 0xfffb3000
409 static struct resource uwire_resources
[] = {
411 .start
= OMAP_UWIRE_BASE
,
412 .end
= OMAP_UWIRE_BASE
+ 0x20,
413 .flags
= IORESOURCE_MEM
,
417 static struct platform_device omap_uwire_device
= {
418 .name
= "omap_uwire",
420 .num_resources
= ARRAY_SIZE(uwire_resources
),
421 .resource
= uwire_resources
,
424 static void omap_init_uwire(void)
426 /* FIXME define and use a boot tag; not all boards will be hooking
427 * up devices to the microwire controller, and multi-board configs
428 * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway...
431 /* board-specific code must configure chipselects (only a few
432 * are normally used) and SCLK/SDI/SDO (each has two choices).
434 (void) platform_device_register(&omap_uwire_device
);
437 static inline void omap_init_uwire(void) {}
440 /*-------------------------------------------------------------------------*/
442 #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
444 static struct resource wdt_resources
[] = {
446 .flags
= IORESOURCE_MEM
,
450 static struct platform_device omap_wdt_device
= {
453 .num_resources
= ARRAY_SIZE(wdt_resources
),
454 .resource
= wdt_resources
,
457 static void omap_init_wdt(void)
459 if (cpu_is_omap16xx())
460 wdt_resources
[0].start
= 0xfffeb000;
461 else if (cpu_is_omap2420())
462 wdt_resources
[0].start
= 0x48022000; /* WDT2 */
463 else if (cpu_is_omap2430())
464 wdt_resources
[0].start
= 0x49016000; /* WDT2 */
465 else if (cpu_is_omap343x())
466 wdt_resources
[0].start
= 0x48314000; /* WDT2 */
470 wdt_resources
[0].end
= wdt_resources
[0].start
+ 0x4f;
472 (void) platform_device_register(&omap_wdt_device
);
475 static inline void omap_init_wdt(void) {}
478 /*-------------------------------------------------------------------------*/
480 #if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE)
482 #ifdef CONFIG_ARCH_OMAP24XX
483 #define OMAP_RNG_BASE 0x480A0000
485 #define OMAP_RNG_BASE 0xfffe5000
488 static struct resource rng_resources
[] = {
490 .start
= OMAP_RNG_BASE
,
491 .end
= OMAP_RNG_BASE
+ 0x4f,
492 .flags
= IORESOURCE_MEM
,
496 static struct platform_device omap_rng_device
= {
499 .num_resources
= ARRAY_SIZE(rng_resources
),
500 .resource
= rng_resources
,
503 static void omap_init_rng(void)
505 (void) platform_device_register(&omap_rng_device
);
508 static inline void omap_init_rng(void) {}
512 * This gets called after board-specific INIT_MACHINE, and initializes most
513 * on-chip peripherals accessible on this board (except for few like USB):
515 * (a) Does any "standard config" pin muxing needed. Board-specific
516 * code will have muxed GPIO pins and done "nonstandard" setup;
517 * that code could live in the boot loader.
518 * (b) Populating board-specific platform_data with the data drivers
519 * rely on to handle wiring variations.
520 * (c) Creating platform devices as meaningful on this board and
521 * with this kernel configuration.
523 * Claiming GPIOs, and setting their direction and initial values, is the
524 * responsibility of the device drivers. So is responding to probe().
526 * Board-specific knowlege like creating devices or pin setup is to be
527 * kept out of drivers as much as possible. In particular, pin setup
528 * may be handled by the boot loader, and drivers should expect it will
529 * normally have been done by the time they're probed.
531 static int __init
omap_init_devices(void)
534 * Need to enable relevant once for 2430 SDP
536 #ifndef CONFIG_MACH_OMAP_2430SDP
537 /* please keep these calls, and their implementations above,
538 * in alphabetical order so they're easier to sort through.
549 arch_initcall(omap_init_devices
);