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/board.h>
24 #include <asm/arch/mux.h>
25 #include <asm/arch/gpio.h>
26 #include <asm/arch/menelaus.h>
27 #include <asm/arch/mcbsp.h>
29 #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
31 #include "../plat-omap/dsp/dsp_common.h"
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 mutex_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 if (machine_is_omap_h2() || machine_is_omap_h3()) {
98 omap_cfg_reg(F18_1610_KBC0
);
99 omap_cfg_reg(D20_1610_KBC1
);
100 omap_cfg_reg(D19_1610_KBC2
);
101 omap_cfg_reg(E18_1610_KBC3
);
102 omap_cfg_reg(C21_1610_KBC4
);
104 omap_cfg_reg(G18_1610_KBR0
);
105 omap_cfg_reg(F19_1610_KBR1
);
106 omap_cfg_reg(H14_1610_KBR2
);
107 omap_cfg_reg(E20_1610_KBR3
);
108 omap_cfg_reg(E19_1610_KBR4
);
109 omap_cfg_reg(N19_1610_KBR5
);
110 } else if (machine_is_omap_perseus2() || machine_is_omap_fsample()) {
111 omap_cfg_reg(E2_730_KBR0
);
112 omap_cfg_reg(J7_730_KBR1
);
113 omap_cfg_reg(E1_730_KBR2
);
114 omap_cfg_reg(F3_730_KBR3
);
115 omap_cfg_reg(D2_730_KBR4
);
117 omap_cfg_reg(C2_730_KBC0
);
118 omap_cfg_reg(D3_730_KBC1
);
119 omap_cfg_reg(E4_730_KBC2
);
120 omap_cfg_reg(F4_730_KBC3
);
121 omap_cfg_reg(E3_730_KBC4
);
122 } else if (machine_is_omap_h4()) {
123 omap_cfg_reg(T19_24XX_KBR0
);
124 omap_cfg_reg(R19_24XX_KBR1
);
125 omap_cfg_reg(V18_24XX_KBR2
);
126 omap_cfg_reg(M21_24XX_KBR3
);
127 omap_cfg_reg(E5__24XX_KBR4
);
128 if (omap_has_menelaus()) {
129 omap_cfg_reg(B3__24XX_KBR5
);
130 omap_cfg_reg(AA4_24XX_KBC2
);
131 omap_cfg_reg(B13_24XX_KBC6
);
133 omap_cfg_reg(M18_24XX_KBR5
);
134 omap_cfg_reg(H19_24XX_KBC2
);
135 omap_cfg_reg(N19_24XX_KBC6
);
137 omap_cfg_reg(R20_24XX_KBC0
);
138 omap_cfg_reg(M14_24XX_KBC1
);
139 omap_cfg_reg(V17_24XX_KBC3
);
140 omap_cfg_reg(P21_24XX_KBC4
);
141 omap_cfg_reg(L14_24XX_KBC5
);
145 static inline void omap_init_kp(void) {}
148 /*-------------------------------------------------------------------------*/
149 #if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE)
151 static struct platform_device
**omap_mcbsp_devices
;
153 void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data
*config
,
158 if (size
> OMAP_MAX_MCBSP_COUNT
) {
159 printk(KERN_WARNING
"Registered too many McBSPs platform_data."
160 " Using maximum (%d) available.\n",
161 OMAP_MAX_MCBSP_COUNT
);
162 size
= OMAP_MAX_MCBSP_COUNT
;
165 omap_mcbsp_devices
= kzalloc(size
* sizeof(struct platform_device
*),
167 if (!omap_mcbsp_devices
) {
168 printk(KERN_ERR
"Could not register McBSP devices\n");
172 for (i
= 0; i
< size
; i
++) {
173 struct platform_device
*new_mcbsp
;
176 new_mcbsp
= platform_device_alloc("omap-mcbsp", i
+ 1);
179 new_mcbsp
->dev
.platform_data
= &config
[i
];
180 ret
= platform_device_add(new_mcbsp
);
182 platform_device_put(new_mcbsp
);
185 omap_mcbsp_devices
[i
] = new_mcbsp
;
190 void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data
*config
,
195 /*-------------------------------------------------------------------------*/
197 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
199 #ifdef CONFIG_ARCH_OMAP24XX
200 #define OMAP_MMC1_BASE 0x4809c000
201 #define OMAP_MMC1_INT INT_24XX_MMC_IRQ
203 #define OMAP_MMC1_BASE 0xfffb7800
204 #define OMAP_MMC1_INT INT_MMC
206 #define OMAP_MMC2_BASE 0xfffb7c00 /* omap16xx only */
208 static struct omap_mmc_conf mmc1_conf
;
210 static u64 mmc1_dmamask
= 0xffffffff;
212 static struct resource mmc1_resources
[] = {
214 .start
= OMAP_MMC1_BASE
,
215 .end
= OMAP_MMC1_BASE
+ 0x7f,
216 .flags
= IORESOURCE_MEM
,
219 .start
= OMAP_MMC1_INT
,
220 .flags
= IORESOURCE_IRQ
,
224 static struct platform_device mmc_omap_device1
= {
228 .dma_mask
= &mmc1_dmamask
,
229 .platform_data
= &mmc1_conf
,
231 .num_resources
= ARRAY_SIZE(mmc1_resources
),
232 .resource
= mmc1_resources
,
235 #ifdef CONFIG_ARCH_OMAP16XX
237 static struct omap_mmc_conf mmc2_conf
;
239 static u64 mmc2_dmamask
= 0xffffffff;
241 static struct resource mmc2_resources
[] = {
243 .start
= OMAP_MMC2_BASE
,
244 .end
= OMAP_MMC2_BASE
+ 0x7f,
245 .flags
= IORESOURCE_MEM
,
248 .start
= INT_1610_MMC2
,
249 .flags
= IORESOURCE_IRQ
,
253 static struct platform_device mmc_omap_device2
= {
257 .dma_mask
= &mmc2_dmamask
,
258 .platform_data
= &mmc2_conf
,
260 .num_resources
= ARRAY_SIZE(mmc2_resources
),
261 .resource
= mmc2_resources
,
265 static void __init
omap_init_mmc(void)
267 const struct omap_mmc_config
*mmc_conf
;
268 const struct omap_mmc_conf
*mmc
;
270 /* NOTE: assumes MMC was never (wrongly) enabled */
271 mmc_conf
= omap_get_config(OMAP_TAG_MMC
, struct omap_mmc_config
);
275 /* block 1 is always available and has just one pinout option */
276 mmc
= &mmc_conf
->mmc
[0];
278 if (cpu_is_omap24xx()) {
279 omap_cfg_reg(H18_24XX_MMC_CMD
);
280 omap_cfg_reg(H15_24XX_MMC_CLKI
);
281 omap_cfg_reg(G19_24XX_MMC_CLKO
);
282 omap_cfg_reg(F20_24XX_MMC_DAT0
);
283 omap_cfg_reg(F19_24XX_MMC_DAT_DIR0
);
284 omap_cfg_reg(G18_24XX_MMC_CMD_DIR
);
286 omap_cfg_reg(MMC_CMD
);
287 omap_cfg_reg(MMC_CLK
);
288 omap_cfg_reg(MMC_DAT0
);
289 if (cpu_is_omap1710()) {
290 omap_cfg_reg(M15_1710_MMC_CLKI
);
291 omap_cfg_reg(P19_1710_MMC_CMDDIR
);
292 omap_cfg_reg(P20_1710_MMC_DATDIR0
);
296 if (cpu_is_omap24xx()) {
297 omap_cfg_reg(H14_24XX_MMC_DAT1
);
298 omap_cfg_reg(E19_24XX_MMC_DAT2
);
299 omap_cfg_reg(D19_24XX_MMC_DAT3
);
300 omap_cfg_reg(E20_24XX_MMC_DAT_DIR1
);
301 omap_cfg_reg(F18_24XX_MMC_DAT_DIR2
);
302 omap_cfg_reg(E18_24XX_MMC_DAT_DIR3
);
304 omap_cfg_reg(MMC_DAT1
);
305 /* NOTE: DAT2 can be on W10 (here) or M15 */
307 omap_cfg_reg(MMC_DAT2
);
308 omap_cfg_reg(MMC_DAT3
);
312 (void) platform_device_register(&mmc_omap_device1
);
315 #ifdef CONFIG_ARCH_OMAP16XX
316 /* block 2 is on newer chips, and has many pinout options */
317 mmc
= &mmc_conf
->mmc
[1];
320 omap_cfg_reg(Y8_1610_MMC2_CMD
);
321 omap_cfg_reg(Y10_1610_MMC2_CLK
);
322 omap_cfg_reg(R18_1610_MMC2_CLKIN
);
323 omap_cfg_reg(W8_1610_MMC2_DAT0
);
325 omap_cfg_reg(V8_1610_MMC2_DAT1
);
326 omap_cfg_reg(W15_1610_MMC2_DAT2
);
327 omap_cfg_reg(R10_1610_MMC2_DAT3
);
330 /* These are needed for the level shifter */
331 omap_cfg_reg(V9_1610_MMC2_CMDDIR
);
332 omap_cfg_reg(V5_1610_MMC2_DATDIR0
);
333 omap_cfg_reg(W19_1610_MMC2_DATDIR1
);
336 /* Feedback clock must be set on OMAP-1710 MMC2 */
337 if (cpu_is_omap1710())
338 omap_writel(omap_readl(MOD_CONF_CTRL_1
) | (1 << 24),
341 (void) platform_device_register(&mmc_omap_device2
);
347 static inline void omap_init_mmc(void) {}
350 /*-------------------------------------------------------------------------*/
352 /* Numbering for the SPI-capable controllers when used for SPI:
359 #if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE)
361 #define OMAP_UWIRE_BASE 0xfffb3000
363 static struct resource uwire_resources
[] = {
365 .start
= OMAP_UWIRE_BASE
,
366 .end
= OMAP_UWIRE_BASE
+ 0x20,
367 .flags
= IORESOURCE_MEM
,
371 static struct platform_device omap_uwire_device
= {
372 .name
= "omap_uwire",
374 .num_resources
= ARRAY_SIZE(uwire_resources
),
375 .resource
= uwire_resources
,
378 static void omap_init_uwire(void)
380 /* FIXME define and use a boot tag; not all boards will be hooking
381 * up devices to the microwire controller, and multi-board configs
382 * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway...
385 /* board-specific code must configure chipselects (only a few
386 * are normally used) and SCLK/SDI/SDO (each has two choices).
388 (void) platform_device_register(&omap_uwire_device
);
391 static inline void omap_init_uwire(void) {}
394 /*-------------------------------------------------------------------------*/
396 #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
398 #ifdef CONFIG_ARCH_OMAP24XX
399 #define OMAP_WDT_BASE 0x48022000
401 #define OMAP_WDT_BASE 0xfffeb000
404 static struct resource wdt_resources
[] = {
406 .start
= OMAP_WDT_BASE
,
407 .end
= OMAP_WDT_BASE
+ 0x4f,
408 .flags
= IORESOURCE_MEM
,
412 static struct platform_device omap_wdt_device
= {
415 .num_resources
= ARRAY_SIZE(wdt_resources
),
416 .resource
= wdt_resources
,
419 static void omap_init_wdt(void)
421 (void) platform_device_register(&omap_wdt_device
);
424 static inline void omap_init_wdt(void) {}
427 /*-------------------------------------------------------------------------*/
429 #if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE)
431 #ifdef CONFIG_ARCH_OMAP24XX
432 #define OMAP_RNG_BASE 0x480A0000
434 #define OMAP_RNG_BASE 0xfffe5000
437 static struct resource rng_resources
[] = {
439 .start
= OMAP_RNG_BASE
,
440 .end
= OMAP_RNG_BASE
+ 0x4f,
441 .flags
= IORESOURCE_MEM
,
445 static struct platform_device omap_rng_device
= {
448 .num_resources
= ARRAY_SIZE(rng_resources
),
449 .resource
= rng_resources
,
452 static void omap_init_rng(void)
454 (void) platform_device_register(&omap_rng_device
);
457 static inline void omap_init_rng(void) {}
461 * This gets called after board-specific INIT_MACHINE, and initializes most
462 * on-chip peripherals accessible on this board (except for few like USB):
464 * (a) Does any "standard config" pin muxing needed. Board-specific
465 * code will have muxed GPIO pins and done "nonstandard" setup;
466 * that code could live in the boot loader.
467 * (b) Populating board-specific platform_data with the data drivers
468 * rely on to handle wiring variations.
469 * (c) Creating platform devices as meaningful on this board and
470 * with this kernel configuration.
472 * Claiming GPIOs, and setting their direction and initial values, is the
473 * responsibility of the device drivers. So is responding to probe().
475 * Board-specific knowlege like creating devices or pin setup is to be
476 * kept out of drivers as much as possible. In particular, pin setup
477 * may be handled by the boot loader, and drivers should expect it will
478 * normally have been done by the time they're probed.
480 static int __init
omap_init_devices(void)
483 * Need to enable relevant once for 2430 SDP
485 #ifndef CONFIG_MACH_OMAP_2430SDP
486 /* please keep these calls, and their implementations above,
487 * in alphabetical order so they're easier to sort through.
498 arch_initcall(omap_init_devices
);