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>
28 #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
30 #include "../plat-omap/dsp/dsp_common.h"
32 static struct dsp_platform_data dsp_pdata = {
33 .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list),
36 static struct resource omap_dsp_resources[] = {
40 .flags = IORESOURCE_IRQ,
44 static struct platform_device omap_dsp_device = {
47 .num_resources = ARRAY_SIZE(omap_dsp_resources),
48 .resource = omap_dsp_resources,
50 .platform_data = &dsp_pdata,
54 static inline void omap_init_dsp(void)
59 if (cpu_is_omap15xx())
60 irq = INT_1510_DSP_MMU;
61 else if (cpu_is_omap16xx())
62 irq = INT_1610_DSP_MMU;
63 else if (cpu_is_omap24xx())
64 irq = INT_24XX_DSP_MMU;
66 res = platform_get_resource_byname(&omap_dsp_device,
67 IORESOURCE_IRQ, "dsp_mmu");
70 platform_device_register(&omap_dsp_device);
73 int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev)
75 static DEFINE_MUTEX(dsp_pdata_lock);
77 spin_lock_init(&kdev->lock);
79 mutex_lock(&dsp_pdata_lock);
80 list_add_tail(&kdev->entry, &dsp_pdata.kdev_list);
81 mutex_unlock(&dsp_pdata_lock);
85 EXPORT_SYMBOL(dsp_kfunc_device_register);
88 static inline void omap_init_dsp(void) { }
89 #endif /* CONFIG_OMAP_DSP */
91 /*-------------------------------------------------------------------------*/
92 #if !defined(CONFIG_ARCH_OMAP243X)
93 #if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
95 #define OMAP1_I2C_BASE 0xfffb3800
96 #define OMAP2_I2C_BASE1 0x48070000
97 #define OMAP_I2C_SIZE 0x3f
98 #define OMAP1_I2C_INT INT_I2C
99 #define OMAP2_I2C_INT1 56
101 static u32 omap2_i2c1_clkrate = 100;
103 static struct resource i2c_resources1[] = {
107 .flags = IORESOURCE_MEM,
111 .flags = IORESOURCE_IRQ,
115 /* DMA not used; works around erratum writing to non-empty i2c fifo */
117 static struct platform_device omap_i2c_device1 = {
120 .num_resources = ARRAY_SIZE(i2c_resources1),
121 .resource = i2c_resources1,
123 .platform_data = &omap2_i2c1_clkrate,
127 /* See also arch/arm/mach-omap2/devices.c for second I2C on 24xx */
128 static void omap_init_i2c(void)
130 if (cpu_is_omap242x()) {
131 i2c_resources1[0].start = OMAP2_I2C_BASE1;
132 i2c_resources1[0].end = OMAP2_I2C_BASE1 + OMAP_I2C_SIZE;
133 i2c_resources1[1].start = OMAP2_I2C_INT1;
135 i2c_resources1[0].start = OMAP1_I2C_BASE;
136 i2c_resources1[0].end = OMAP1_I2C_BASE + OMAP_I2C_SIZE;
137 i2c_resources1[1].start = OMAP1_I2C_INT;
140 /* FIXME define and use a boot tag, in case of boards that
141 * either don't wire up I2C, or chips that mux it differently...
142 * it can include clocking and address info, maybe more.
144 if (cpu_is_omap24xx()) {
145 if (machine_is_omap_h4()) {
146 omap_cfg_reg(M19_24XX_I2C1_SCL);
147 omap_cfg_reg(L15_24XX_I2C1_SDA);
150 omap_cfg_reg(I2C_SCL);
151 omap_cfg_reg(I2C_SDA);
154 (void) platform_device_register(&omap_i2c_device1);
158 static inline void omap_init_i2c(void) {}
161 /*-------------------------------------------------------------------------*/
162 #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
164 static void omap_init_kp(void)
166 /* REVISIT: 2430 keypad is on TWL4030 */
167 if (cpu_is_omap2430())
170 if (machine_is_omap_h2() || machine_is_omap_h3()) {
171 omap_cfg_reg(F18_1610_KBC0);
172 omap_cfg_reg(D20_1610_KBC1);
173 omap_cfg_reg(D19_1610_KBC2);
174 omap_cfg_reg(E18_1610_KBC3);
175 omap_cfg_reg(C21_1610_KBC4);
177 omap_cfg_reg(G18_1610_KBR0);
178 omap_cfg_reg(F19_1610_KBR1);
179 omap_cfg_reg(H14_1610_KBR2);
180 omap_cfg_reg(E20_1610_KBR3);
181 omap_cfg_reg(E19_1610_KBR4);
182 omap_cfg_reg(N19_1610_KBR5);
183 } else if (machine_is_omap_perseus2() || machine_is_omap_fsample()) {
184 omap_cfg_reg(E2_730_KBR0);
185 omap_cfg_reg(J7_730_KBR1);
186 omap_cfg_reg(E1_730_KBR2);
187 omap_cfg_reg(F3_730_KBR3);
188 omap_cfg_reg(D2_730_KBR4);
190 omap_cfg_reg(C2_730_KBC0);
191 omap_cfg_reg(D3_730_KBC1);
192 omap_cfg_reg(E4_730_KBC2);
193 omap_cfg_reg(F4_730_KBC3);
194 omap_cfg_reg(E3_730_KBC4);
195 } else if (machine_is_omap_h4()) {
196 omap_cfg_reg(T19_24XX_KBR0);
197 omap_cfg_reg(R19_24XX_KBR1);
198 omap_cfg_reg(V18_24XX_KBR2);
199 omap_cfg_reg(M21_24XX_KBR3);
200 omap_cfg_reg(E5__24XX_KBR4);
201 if (omap_has_menelaus()) {
202 omap_cfg_reg(B3__24XX_KBR5);
203 omap_cfg_reg(AA4_24XX_KBC2);
204 omap_cfg_reg(B13_24XX_KBC6);
206 omap_cfg_reg(M18_24XX_KBR5);
207 omap_cfg_reg(H19_24XX_KBC2);
208 omap_cfg_reg(N19_24XX_KBC6);
210 omap_cfg_reg(R20_24XX_KBC0);
211 omap_cfg_reg(M14_24XX_KBC1);
212 omap_cfg_reg(V17_24XX_KBC3);
213 omap_cfg_reg(P21_24XX_KBC4);
214 omap_cfg_reg(L14_24XX_KBC5);
218 static inline void omap_init_kp(void) {}
221 /*-------------------------------------------------------------------------*/
223 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
225 #ifdef CONFIG_ARCH_OMAP24XX
226 #define OMAP_MMC1_BASE 0x4809c000
227 #define OMAP_MMC1_INT INT_24XX_MMC_IRQ
229 #define OMAP_MMC1_BASE 0xfffb7800
230 #define OMAP_MMC1_INT INT_MMC
232 #define OMAP_MMC2_BASE 0xfffb7c00 /* omap16xx only */
234 static struct omap_mmc_conf mmc1_conf;
236 static u64 mmc1_dmamask = 0xffffffff;
238 static struct resource mmc1_resources[] = {
240 .start = OMAP_MMC1_BASE,
241 .end = OMAP_MMC1_BASE + 0x7f,
242 .flags = IORESOURCE_MEM,
245 .start = OMAP_MMC1_INT,
246 .flags = IORESOURCE_IRQ,
250 static struct platform_device mmc_omap_device1 = {
254 .dma_mask = &mmc1_dmamask,
255 .platform_data = &mmc1_conf,
257 .num_resources = ARRAY_SIZE(mmc1_resources),
258 .resource = mmc1_resources,
261 #ifdef CONFIG_ARCH_OMAP16XX
263 static struct omap_mmc_conf mmc2_conf;
265 static u64 mmc2_dmamask = 0xffffffff;
268 static struct resource mmc2_resources[] = {
270 .start = OMAP_MMC2_BASE,
271 .end = OMAP_MMC2_BASE + 0x7f,
272 .flags = IORESOURCE_MEM,
275 .start = INT_1610_MMC2,
276 .flags = IORESOURCE_IRQ,
280 static struct platform_device mmc_omap_device2 = {
284 .dma_mask = &mmc2_dmamask,
285 .platform_data = &mmc2_conf,
287 .num_resources = ARRAY_SIZE(mmc2_resources),
288 .resource = mmc2_resources,
292 static void __init omap_init_mmc(void)
294 const struct omap_mmc_config *mmc_conf;
295 const struct omap_mmc_conf *mmc;
297 /* REVISIT: 2430 has HS MMC */
298 if (cpu_is_omap2430())
301 /* NOTE: assumes MMC was never (wrongly) enabled */
302 mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config);
306 /* block 1 is always available and has just one pinout option */
307 mmc = &mmc_conf->mmc[0];
309 if (cpu_is_omap24xx()) {
310 omap_cfg_reg(H18_24XX_MMC_CMD);
311 omap_cfg_reg(H15_24XX_MMC_CLKI);
312 omap_cfg_reg(G19_24XX_MMC_CLKO);
313 omap_cfg_reg(F20_24XX_MMC_DAT0);
314 omap_cfg_reg(F19_24XX_MMC_DAT_DIR0);
315 omap_cfg_reg(G18_24XX_MMC_CMD_DIR);
317 omap_cfg_reg(MMC_CMD);
318 omap_cfg_reg(MMC_CLK);
319 omap_cfg_reg(MMC_DAT0);
320 if (cpu_is_omap1710()) {
321 omap_cfg_reg(M15_1710_MMC_CLKI);
322 omap_cfg_reg(P19_1710_MMC_CMDDIR);
323 omap_cfg_reg(P20_1710_MMC_DATDIR0);
327 if (cpu_is_omap24xx()) {
328 omap_cfg_reg(H14_24XX_MMC_DAT1);
329 omap_cfg_reg(E19_24XX_MMC_DAT2);
330 omap_cfg_reg(D19_24XX_MMC_DAT3);
331 omap_cfg_reg(E20_24XX_MMC_DAT_DIR1);
332 omap_cfg_reg(F18_24XX_MMC_DAT_DIR2);
333 omap_cfg_reg(E18_24XX_MMC_DAT_DIR3);
335 omap_cfg_reg(MMC_DAT1);
336 /* NOTE: DAT2 can be on W10 (here) or M15 */
338 omap_cfg_reg(MMC_DAT2);
339 omap_cfg_reg(MMC_DAT3);
343 (void) platform_device_register(&mmc_omap_device1);
346 #ifdef CONFIG_ARCH_OMAP16XX
347 /* block 2 is on newer chips, and has many pinout options */
348 mmc = &mmc_conf->mmc[1];
351 omap_cfg_reg(Y8_1610_MMC2_CMD);
352 omap_cfg_reg(Y10_1610_MMC2_CLK);
353 omap_cfg_reg(R18_1610_MMC2_CLKIN);
354 omap_cfg_reg(W8_1610_MMC2_DAT0);
356 omap_cfg_reg(V8_1610_MMC2_DAT1);
357 omap_cfg_reg(W15_1610_MMC2_DAT2);
358 omap_cfg_reg(R10_1610_MMC2_DAT3);
361 /* These are needed for the level shifter */
362 omap_cfg_reg(V9_1610_MMC2_CMDDIR);
363 omap_cfg_reg(V5_1610_MMC2_DATDIR0);
364 omap_cfg_reg(W19_1610_MMC2_DATDIR1);
367 /* Feedback clock must be set on OMAP-1710 MMC2 */
368 if (cpu_is_omap1710())
369 omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),
372 (void) platform_device_register(&mmc_omap_device2);
378 static inline void omap_init_mmc(void) {}
381 /*-------------------------------------------------------------------------*/
383 /* Numbering for the SPI-capable controllers when used for SPI:
390 #if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE)
392 #define OMAP_UWIRE_BASE 0xfffb3000
394 static struct resource uwire_resources[] = {
396 .start = OMAP_UWIRE_BASE,
397 .end = OMAP_UWIRE_BASE + 0x20,
398 .flags = IORESOURCE_MEM,
402 static struct platform_device omap_uwire_device = {
403 .name = "omap_uwire",
405 .num_resources = ARRAY_SIZE(uwire_resources),
406 .resource = uwire_resources,
409 static void omap_init_uwire(void)
411 /* FIXME define and use a boot tag; not all boards will be hooking
412 * up devices to the microwire controller, and multi-board configs
413 * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway...
416 /* board-specific code must configure chipselects (only a few
417 * are normally used) and SCLK/SDI/SDO (each has two choices).
419 (void) platform_device_register(&omap_uwire_device);
422 static inline void omap_init_uwire(void) {}
425 /*-------------------------------------------------------------------------*/
427 #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
429 #ifdef CONFIG_ARCH_OMAP24XX
431 #ifdef CONFIG_ARCH_OMAP2430
433 #define OMAP_WDT_BASE 0x49016000
435 #define OMAP_WDT_BASE 0x48022000
439 #define OMAP_WDT_BASE 0xfffeb000
442 static struct resource wdt_resources[] = {
444 .start = OMAP_WDT_BASE,
445 .end = OMAP_WDT_BASE + 0x4f,
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 (void) platform_device_register(&omap_wdt_device);
462 static inline void omap_init_wdt(void) {}
465 /*-------------------------------------------------------------------------*/
467 #if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE)
469 #ifdef CONFIG_ARCH_OMAP24XX
470 #define OMAP_RNG_BASE 0x480A0000
472 #define OMAP_RNG_BASE 0xfffe5000
475 static struct resource rng_resources[] = {
477 .start = OMAP_RNG_BASE,
478 .end = OMAP_RNG_BASE + 0x4f,
479 .flags = IORESOURCE_MEM,
483 static struct platform_device omap_rng_device = {
486 .num_resources = ARRAY_SIZE(rng_resources),
487 .resource = rng_resources,
490 static void omap_init_rng(void)
492 (void) platform_device_register(&omap_rng_device);
495 static inline void omap_init_rng(void) {}
499 * This gets called after board-specific INIT_MACHINE, and initializes most
500 * on-chip peripherals accessible on this board (except for few like USB):
502 * (a) Does any "standard config" pin muxing needed. Board-specific
503 * code will have muxed GPIO pins and done "nonstandard" setup;
504 * that code could live in the boot loader.
505 * (b) Populating board-specific platform_data with the data drivers
506 * rely on to handle wiring variations.
507 * (c) Creating platform devices as meaningful on this board and
508 * with this kernel configuration.
510 * Claiming GPIOs, and setting their direction and initial values, is the
511 * responsibility of the device drivers. So is responding to probe().
513 * Board-specific knowlege like creating devices or pin setup is to be
514 * kept out of drivers as much as possible. In particular, pin setup
515 * may be handled by the boot loader, and drivers should expect it will
516 * normally have been done by the time they're probed.
518 static int __init omap_init_devices(void)
520 /* please keep these calls, and their implementations above,
521 * in alphabetical order so they're easier to sort through.
529 if (!cpu_is_omap2430()) {
534 arch_initcall(omap_init_devices);