Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/plat-omap/devices.c |
| 3 | * |
| 4 | * Common platform device setup/initialization for OMAP1 and OMAP2 |
| 5 | * |
| 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. |
| 10 | */ |
| 11 | |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 12 | #include <linux/module.h> |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/platform_device.h> |
| 16 | |
Russell King | be50972 | 2008-08-04 10:41:28 +0100 | [diff] [blame] | 17 | #include <asm/arch/hardware.h> |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 18 | #include <asm/io.h> |
| 19 | #include <asm/mach-types.h> |
| 20 | #include <asm/mach/map.h> |
| 21 | |
| 22 | #include <asm/arch/tc.h> |
| 23 | #include <asm/arch/board.h> |
| 24 | #include <asm/arch/mux.h> |
| 25 | #include <asm/arch/gpio.h> |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 26 | #include <asm/arch/menelaus.h> |
Eduardo Valentin | bc5d0c8 | 2008-07-03 12:24:39 +0300 | [diff] [blame] | 27 | #include <asm/arch/mcbsp.h> |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 28 | |
Tony Lindgren | c40fae9 | 2006-12-07 13:58:10 -0800 | [diff] [blame] | 29 | #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE) |
| 30 | |
| 31 | #include "../plat-omap/dsp/dsp_common.h" |
| 32 | |
| 33 | static struct dsp_platform_data dsp_pdata = { |
| 34 | .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list), |
| 35 | }; |
| 36 | |
| 37 | static struct resource omap_dsp_resources[] = { |
| 38 | { |
| 39 | .name = "dsp_mmu", |
| 40 | .start = -1, |
| 41 | .flags = IORESOURCE_IRQ, |
| 42 | }, |
| 43 | }; |
| 44 | |
| 45 | static struct platform_device omap_dsp_device = { |
| 46 | .name = "dsp", |
| 47 | .id = -1, |
| 48 | .num_resources = ARRAY_SIZE(omap_dsp_resources), |
| 49 | .resource = omap_dsp_resources, |
| 50 | .dev = { |
| 51 | .platform_data = &dsp_pdata, |
| 52 | }, |
| 53 | }; |
| 54 | |
| 55 | static inline void omap_init_dsp(void) |
| 56 | { |
| 57 | struct resource *res; |
| 58 | int irq; |
| 59 | |
| 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; |
| 66 | |
| 67 | res = platform_get_resource_byname(&omap_dsp_device, |
| 68 | IORESOURCE_IRQ, "dsp_mmu"); |
| 69 | res->start = irq; |
| 70 | |
| 71 | platform_device_register(&omap_dsp_device); |
| 72 | } |
| 73 | |
| 74 | int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev) |
| 75 | { |
| 76 | static DEFINE_MUTEX(dsp_pdata_lock); |
| 77 | |
| 78 | mutex_init(&kdev->lock); |
| 79 | |
| 80 | mutex_lock(&dsp_pdata_lock); |
| 81 | list_add_tail(&kdev->entry, &dsp_pdata.kdev_list); |
| 82 | mutex_unlock(&dsp_pdata_lock); |
| 83 | |
| 84 | return 0; |
| 85 | } |
| 86 | EXPORT_SYMBOL(dsp_kfunc_device_register); |
| 87 | |
| 88 | #else |
| 89 | static inline void omap_init_dsp(void) { } |
| 90 | #endif /* CONFIG_OMAP_DSP */ |
| 91 | |
| 92 | /*-------------------------------------------------------------------------*/ |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 93 | #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE) |
| 94 | |
| 95 | static void omap_init_kp(void) |
| 96 | { |
| 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); |
| 103 | |
| 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); |
Brian Swetland | 495f71d | 2006-06-26 16:16:03 -0700 | [diff] [blame] | 110 | } else if (machine_is_omap_perseus2() || machine_is_omap_fsample()) { |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 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); |
| 116 | |
| 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); |
| 132 | } else { |
| 133 | omap_cfg_reg(M18_24XX_KBR5); |
| 134 | omap_cfg_reg(H19_24XX_KBC2); |
| 135 | omap_cfg_reg(N19_24XX_KBC6); |
| 136 | } |
| 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); |
| 142 | } |
| 143 | } |
| 144 | #else |
| 145 | static inline void omap_init_kp(void) {} |
| 146 | #endif |
| 147 | |
| 148 | /*-------------------------------------------------------------------------*/ |
Eduardo Valentin | bc5d0c8 | 2008-07-03 12:24:39 +0300 | [diff] [blame] | 149 | #if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE) |
| 150 | |
| 151 | static struct platform_device **omap_mcbsp_devices; |
| 152 | |
| 153 | void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, |
| 154 | int size) |
| 155 | { |
| 156 | int i; |
| 157 | |
| 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; |
| 163 | } |
| 164 | |
| 165 | omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *), |
| 166 | GFP_KERNEL); |
| 167 | if (!omap_mcbsp_devices) { |
| 168 | printk(KERN_ERR "Could not register McBSP devices\n"); |
| 169 | return; |
| 170 | } |
| 171 | |
| 172 | for (i = 0; i < size; i++) { |
| 173 | struct platform_device *new_mcbsp; |
| 174 | int ret; |
| 175 | |
| 176 | new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1); |
| 177 | if (!new_mcbsp) |
| 178 | continue; |
| 179 | new_mcbsp->dev.platform_data = &config[i]; |
| 180 | ret = platform_device_add(new_mcbsp); |
| 181 | if (ret) { |
| 182 | platform_device_put(new_mcbsp); |
| 183 | continue; |
| 184 | } |
| 185 | omap_mcbsp_devices[i] = new_mcbsp; |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | #else |
| 190 | void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, |
| 191 | int size) |
| 192 | { } |
| 193 | #endif |
| 194 | |
| 195 | /*-------------------------------------------------------------------------*/ |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 196 | |
| 197 | #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) |
| 198 | |
| 199 | #ifdef CONFIG_ARCH_OMAP24XX |
| 200 | #define OMAP_MMC1_BASE 0x4809c000 |
Kyungmin Park | abc45e1 | 2006-09-25 12:41:25 +0300 | [diff] [blame] | 201 | #define OMAP_MMC1_INT INT_24XX_MMC_IRQ |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 202 | #else |
| 203 | #define OMAP_MMC1_BASE 0xfffb7800 |
| 204 | #define OMAP_MMC1_INT INT_MMC |
| 205 | #endif |
| 206 | #define OMAP_MMC2_BASE 0xfffb7c00 /* omap16xx only */ |
| 207 | |
| 208 | static struct omap_mmc_conf mmc1_conf; |
| 209 | |
| 210 | static u64 mmc1_dmamask = 0xffffffff; |
| 211 | |
| 212 | static struct resource mmc1_resources[] = { |
| 213 | { |
Tony Lindgren | ce9c1a8 | 2006-07-01 19:56:44 +0100 | [diff] [blame] | 214 | .start = OMAP_MMC1_BASE, |
| 215 | .end = OMAP_MMC1_BASE + 0x7f, |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 216 | .flags = IORESOURCE_MEM, |
| 217 | }, |
| 218 | { |
| 219 | .start = OMAP_MMC1_INT, |
| 220 | .flags = IORESOURCE_IRQ, |
| 221 | }, |
| 222 | }; |
| 223 | |
| 224 | static struct platform_device mmc_omap_device1 = { |
| 225 | .name = "mmci-omap", |
| 226 | .id = 1, |
| 227 | .dev = { |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 228 | .dma_mask = &mmc1_dmamask, |
| 229 | .platform_data = &mmc1_conf, |
| 230 | }, |
| 231 | .num_resources = ARRAY_SIZE(mmc1_resources), |
| 232 | .resource = mmc1_resources, |
| 233 | }; |
| 234 | |
| 235 | #ifdef CONFIG_ARCH_OMAP16XX |
| 236 | |
| 237 | static struct omap_mmc_conf mmc2_conf; |
| 238 | |
| 239 | static u64 mmc2_dmamask = 0xffffffff; |
| 240 | |
| 241 | static struct resource mmc2_resources[] = { |
| 242 | { |
Tony Lindgren | ce9c1a8 | 2006-07-01 19:56:44 +0100 | [diff] [blame] | 243 | .start = OMAP_MMC2_BASE, |
| 244 | .end = OMAP_MMC2_BASE + 0x7f, |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 245 | .flags = IORESOURCE_MEM, |
| 246 | }, |
| 247 | { |
| 248 | .start = INT_1610_MMC2, |
| 249 | .flags = IORESOURCE_IRQ, |
| 250 | }, |
| 251 | }; |
| 252 | |
| 253 | static struct platform_device mmc_omap_device2 = { |
| 254 | .name = "mmci-omap", |
| 255 | .id = 2, |
| 256 | .dev = { |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 257 | .dma_mask = &mmc2_dmamask, |
| 258 | .platform_data = &mmc2_conf, |
| 259 | }, |
| 260 | .num_resources = ARRAY_SIZE(mmc2_resources), |
| 261 | .resource = mmc2_resources, |
| 262 | }; |
| 263 | #endif |
| 264 | |
| 265 | static void __init omap_init_mmc(void) |
| 266 | { |
| 267 | const struct omap_mmc_config *mmc_conf; |
| 268 | const struct omap_mmc_conf *mmc; |
| 269 | |
| 270 | /* NOTE: assumes MMC was never (wrongly) enabled */ |
| 271 | mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config); |
| 272 | if (!mmc_conf) |
| 273 | return; |
| 274 | |
| 275 | /* block 1 is always available and has just one pinout option */ |
| 276 | mmc = &mmc_conf->mmc[0]; |
| 277 | if (mmc->enabled) { |
Kyungmin Park | abc45e1 | 2006-09-25 12:41:25 +0300 | [diff] [blame] | 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); |
| 285 | } else { |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 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); |
| 293 | } |
| 294 | } |
| 295 | if (mmc->wire4) { |
Kyungmin Park | abc45e1 | 2006-09-25 12:41:25 +0300 | [diff] [blame] | 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); |
| 303 | } else { |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 304 | omap_cfg_reg(MMC_DAT1); |
| 305 | /* NOTE: DAT2 can be on W10 (here) or M15 */ |
| 306 | if (!mmc->nomux) |
| 307 | omap_cfg_reg(MMC_DAT2); |
| 308 | omap_cfg_reg(MMC_DAT3); |
| 309 | } |
| 310 | } |
| 311 | mmc1_conf = *mmc; |
| 312 | (void) platform_device_register(&mmc_omap_device1); |
| 313 | } |
| 314 | |
| 315 | #ifdef CONFIG_ARCH_OMAP16XX |
| 316 | /* block 2 is on newer chips, and has many pinout options */ |
| 317 | mmc = &mmc_conf->mmc[1]; |
| 318 | if (mmc->enabled) { |
| 319 | if (!mmc->nomux) { |
| 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); |
| 324 | if (mmc->wire4) { |
| 325 | omap_cfg_reg(V8_1610_MMC2_DAT1); |
| 326 | omap_cfg_reg(W15_1610_MMC2_DAT2); |
| 327 | omap_cfg_reg(R10_1610_MMC2_DAT3); |
| 328 | } |
| 329 | |
| 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); |
| 334 | } |
| 335 | |
| 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), |
| 339 | MOD_CONF_CTRL_1); |
| 340 | mmc2_conf = *mmc; |
| 341 | (void) platform_device_register(&mmc_omap_device2); |
| 342 | } |
| 343 | #endif |
| 344 | return; |
| 345 | } |
| 346 | #else |
| 347 | static inline void omap_init_mmc(void) {} |
| 348 | #endif |
| 349 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 350 | /*-------------------------------------------------------------------------*/ |
| 351 | |
| 352 | /* Numbering for the SPI-capable controllers when used for SPI: |
| 353 | * spi = 1 |
| 354 | * uwire = 2 |
| 355 | * mmc1..2 = 3..4 |
| 356 | * mcbsp1..3 = 5..7 |
| 357 | */ |
| 358 | |
| 359 | #if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE) |
| 360 | |
| 361 | #define OMAP_UWIRE_BASE 0xfffb3000 |
| 362 | |
| 363 | static struct resource uwire_resources[] = { |
| 364 | { |
| 365 | .start = OMAP_UWIRE_BASE, |
| 366 | .end = OMAP_UWIRE_BASE + 0x20, |
| 367 | .flags = IORESOURCE_MEM, |
| 368 | }, |
| 369 | }; |
| 370 | |
| 371 | static struct platform_device omap_uwire_device = { |
| 372 | .name = "omap_uwire", |
| 373 | .id = -1, |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 374 | .num_resources = ARRAY_SIZE(uwire_resources), |
| 375 | .resource = uwire_resources, |
| 376 | }; |
| 377 | |
| 378 | static void omap_init_uwire(void) |
| 379 | { |
| 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... |
| 383 | */ |
| 384 | |
| 385 | /* board-specific code must configure chipselects (only a few |
| 386 | * are normally used) and SCLK/SDI/SDO (each has two choices). |
| 387 | */ |
| 388 | (void) platform_device_register(&omap_uwire_device); |
| 389 | } |
| 390 | #else |
| 391 | static inline void omap_init_uwire(void) {} |
| 392 | #endif |
| 393 | |
| 394 | /*-------------------------------------------------------------------------*/ |
| 395 | |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 396 | #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) |
| 397 | |
| 398 | #ifdef CONFIG_ARCH_OMAP24XX |
| 399 | #define OMAP_WDT_BASE 0x48022000 |
| 400 | #else |
| 401 | #define OMAP_WDT_BASE 0xfffeb000 |
| 402 | #endif |
| 403 | |
| 404 | static struct resource wdt_resources[] = { |
| 405 | { |
| 406 | .start = OMAP_WDT_BASE, |
| 407 | .end = OMAP_WDT_BASE + 0x4f, |
| 408 | .flags = IORESOURCE_MEM, |
| 409 | }, |
| 410 | }; |
| 411 | |
| 412 | static struct platform_device omap_wdt_device = { |
| 413 | .name = "omap_wdt", |
| 414 | .id = -1, |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 415 | .num_resources = ARRAY_SIZE(wdt_resources), |
| 416 | .resource = wdt_resources, |
| 417 | }; |
| 418 | |
| 419 | static void omap_init_wdt(void) |
| 420 | { |
| 421 | (void) platform_device_register(&omap_wdt_device); |
| 422 | } |
| 423 | #else |
| 424 | static inline void omap_init_wdt(void) {} |
| 425 | #endif |
| 426 | |
| 427 | /*-------------------------------------------------------------------------*/ |
| 428 | |
Tony Lindgren | c40fae9 | 2006-12-07 13:58:10 -0800 | [diff] [blame] | 429 | #if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE) |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 430 | |
| 431 | #ifdef CONFIG_ARCH_OMAP24XX |
| 432 | #define OMAP_RNG_BASE 0x480A0000 |
| 433 | #else |
| 434 | #define OMAP_RNG_BASE 0xfffe5000 |
| 435 | #endif |
| 436 | |
| 437 | static struct resource rng_resources[] = { |
| 438 | { |
| 439 | .start = OMAP_RNG_BASE, |
| 440 | .end = OMAP_RNG_BASE + 0x4f, |
| 441 | .flags = IORESOURCE_MEM, |
| 442 | }, |
| 443 | }; |
| 444 | |
| 445 | static struct platform_device omap_rng_device = { |
| 446 | .name = "omap_rng", |
| 447 | .id = -1, |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 448 | .num_resources = ARRAY_SIZE(rng_resources), |
| 449 | .resource = rng_resources, |
| 450 | }; |
| 451 | |
| 452 | static void omap_init_rng(void) |
| 453 | { |
| 454 | (void) platform_device_register(&omap_rng_device); |
| 455 | } |
| 456 | #else |
| 457 | static inline void omap_init_rng(void) {} |
| 458 | #endif |
| 459 | |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 460 | /* |
| 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): |
| 463 | * |
| 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. |
| 471 | * |
| 472 | * Claiming GPIOs, and setting their direction and initial values, is the |
| 473 | * responsibility of the device drivers. So is responding to probe(). |
| 474 | * |
| 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. |
| 479 | */ |
| 480 | static int __init omap_init_devices(void) |
| 481 | { |
Syed Mohammed Khasim | 56a2564 | 2006-12-06 17:14:08 -0800 | [diff] [blame] | 482 | /* |
| 483 | * Need to enable relevant once for 2430 SDP |
| 484 | */ |
| 485 | #ifndef CONFIG_MACH_OMAP_2430SDP |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 486 | /* please keep these calls, and their implementations above, |
| 487 | * in alphabetical order so they're easier to sort through. |
| 488 | */ |
Tony Lindgren | c40fae9 | 2006-12-07 13:58:10 -0800 | [diff] [blame] | 489 | omap_init_dsp(); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 490 | omap_init_kp(); |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 491 | omap_init_mmc(); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 492 | omap_init_uwire(); |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 493 | omap_init_wdt(); |
| 494 | omap_init_rng(); |
Syed Mohammed Khasim | 56a2564 | 2006-12-06 17:14:08 -0800 | [diff] [blame] | 495 | #endif |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 496 | return 0; |
| 497 | } |
| 498 | arch_initcall(omap_init_devices); |