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 | |
| 17 | #include <asm/hardware.h> |
| 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> |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 27 | |
Tony Lindgren | c40fae9 | 2006-12-07 13:58:10 -0800 | [diff] [blame] | 28 | #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE) |
| 29 | |
| 30 | #include "../plat-omap/dsp/dsp_common.h" |
| 31 | |
| 32 | static struct dsp_platform_data dsp_pdata = { |
| 33 | .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list), |
| 34 | }; |
| 35 | |
| 36 | static struct resource omap_dsp_resources[] = { |
| 37 | { |
| 38 | .name = "dsp_mmu", |
| 39 | .start = -1, |
| 40 | .flags = IORESOURCE_IRQ, |
| 41 | }, |
| 42 | }; |
| 43 | |
| 44 | static struct platform_device omap_dsp_device = { |
| 45 | .name = "dsp", |
| 46 | .id = -1, |
| 47 | .num_resources = ARRAY_SIZE(omap_dsp_resources), |
| 48 | .resource = omap_dsp_resources, |
| 49 | .dev = { |
| 50 | .platform_data = &dsp_pdata, |
| 51 | }, |
| 52 | }; |
| 53 | |
| 54 | static inline void omap_init_dsp(void) |
| 55 | { |
| 56 | struct resource *res; |
| 57 | int irq; |
| 58 | |
| 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; |
| 65 | |
| 66 | res = platform_get_resource_byname(&omap_dsp_device, |
| 67 | IORESOURCE_IRQ, "dsp_mmu"); |
| 68 | res->start = irq; |
| 69 | |
| 70 | platform_device_register(&omap_dsp_device); |
| 71 | } |
| 72 | |
| 73 | int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev) |
| 74 | { |
| 75 | static DEFINE_MUTEX(dsp_pdata_lock); |
| 76 | |
| 77 | mutex_init(&kdev->lock); |
| 78 | |
| 79 | mutex_lock(&dsp_pdata_lock); |
| 80 | list_add_tail(&kdev->entry, &dsp_pdata.kdev_list); |
| 81 | mutex_unlock(&dsp_pdata_lock); |
| 82 | |
| 83 | return 0; |
| 84 | } |
| 85 | EXPORT_SYMBOL(dsp_kfunc_device_register); |
| 86 | |
| 87 | #else |
| 88 | static inline void omap_init_dsp(void) { } |
| 89 | #endif /* CONFIG_OMAP_DSP */ |
| 90 | |
| 91 | /*-------------------------------------------------------------------------*/ |
| 92 | #if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE) |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 93 | |
| 94 | #define OMAP1_I2C_BASE 0xfffb3800 |
| 95 | #define OMAP2_I2C_BASE1 0x48070000 |
| 96 | #define OMAP_I2C_SIZE 0x3f |
| 97 | #define OMAP1_I2C_INT INT_I2C |
| 98 | #define OMAP2_I2C_INT1 56 |
| 99 | |
| 100 | static struct resource i2c_resources1[] = { |
| 101 | { |
| 102 | .start = 0, |
| 103 | .end = 0, |
| 104 | .flags = IORESOURCE_MEM, |
| 105 | }, |
| 106 | { |
| 107 | .start = 0, |
| 108 | .flags = IORESOURCE_IRQ, |
| 109 | }, |
| 110 | }; |
| 111 | |
| 112 | /* DMA not used; works around erratum writing to non-empty i2c fifo */ |
| 113 | |
| 114 | static struct platform_device omap_i2c_device1 = { |
Tony Lindgren | d82973d | 2007-01-26 12:01:17 -0800 | [diff] [blame] | 115 | .name = "i2c_omap", |
| 116 | .id = 1, |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 117 | .num_resources = ARRAY_SIZE(i2c_resources1), |
| 118 | .resource = i2c_resources1, |
| 119 | }; |
| 120 | |
| 121 | /* See also arch/arm/mach-omap2/devices.c for second I2C on 24xx */ |
| 122 | static void omap_init_i2c(void) |
| 123 | { |
| 124 | if (cpu_is_omap24xx()) { |
| 125 | i2c_resources1[0].start = OMAP2_I2C_BASE1; |
| 126 | i2c_resources1[0].end = OMAP2_I2C_BASE1 + OMAP_I2C_SIZE; |
| 127 | i2c_resources1[1].start = OMAP2_I2C_INT1; |
| 128 | } else { |
| 129 | i2c_resources1[0].start = OMAP1_I2C_BASE; |
| 130 | i2c_resources1[0].end = OMAP1_I2C_BASE + OMAP_I2C_SIZE; |
| 131 | i2c_resources1[1].start = OMAP1_I2C_INT; |
| 132 | } |
| 133 | |
| 134 | /* FIXME define and use a boot tag, in case of boards that |
| 135 | * either don't wire up I2C, or chips that mux it differently... |
| 136 | * it can include clocking and address info, maybe more. |
| 137 | */ |
| 138 | if (cpu_is_omap24xx()) { |
| 139 | omap_cfg_reg(M19_24XX_I2C1_SCL); |
| 140 | omap_cfg_reg(L15_24XX_I2C1_SDA); |
| 141 | } else { |
| 142 | omap_cfg_reg(I2C_SCL); |
| 143 | omap_cfg_reg(I2C_SDA); |
| 144 | } |
| 145 | |
| 146 | (void) platform_device_register(&omap_i2c_device1); |
| 147 | } |
| 148 | |
| 149 | #else |
| 150 | static inline void omap_init_i2c(void) {} |
| 151 | #endif |
| 152 | |
| 153 | /*-------------------------------------------------------------------------*/ |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 154 | #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE) |
| 155 | |
| 156 | static void omap_init_kp(void) |
| 157 | { |
| 158 | if (machine_is_omap_h2() || machine_is_omap_h3()) { |
| 159 | omap_cfg_reg(F18_1610_KBC0); |
| 160 | omap_cfg_reg(D20_1610_KBC1); |
| 161 | omap_cfg_reg(D19_1610_KBC2); |
| 162 | omap_cfg_reg(E18_1610_KBC3); |
| 163 | omap_cfg_reg(C21_1610_KBC4); |
| 164 | |
| 165 | omap_cfg_reg(G18_1610_KBR0); |
| 166 | omap_cfg_reg(F19_1610_KBR1); |
| 167 | omap_cfg_reg(H14_1610_KBR2); |
| 168 | omap_cfg_reg(E20_1610_KBR3); |
| 169 | omap_cfg_reg(E19_1610_KBR4); |
| 170 | omap_cfg_reg(N19_1610_KBR5); |
Brian Swetland | 495f71d | 2006-06-26 16:16:03 -0700 | [diff] [blame] | 171 | } else if (machine_is_omap_perseus2() || machine_is_omap_fsample()) { |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 172 | omap_cfg_reg(E2_730_KBR0); |
| 173 | omap_cfg_reg(J7_730_KBR1); |
| 174 | omap_cfg_reg(E1_730_KBR2); |
| 175 | omap_cfg_reg(F3_730_KBR3); |
| 176 | omap_cfg_reg(D2_730_KBR4); |
| 177 | |
| 178 | omap_cfg_reg(C2_730_KBC0); |
| 179 | omap_cfg_reg(D3_730_KBC1); |
| 180 | omap_cfg_reg(E4_730_KBC2); |
| 181 | omap_cfg_reg(F4_730_KBC3); |
| 182 | omap_cfg_reg(E3_730_KBC4); |
| 183 | } else if (machine_is_omap_h4()) { |
| 184 | omap_cfg_reg(T19_24XX_KBR0); |
| 185 | omap_cfg_reg(R19_24XX_KBR1); |
| 186 | omap_cfg_reg(V18_24XX_KBR2); |
| 187 | omap_cfg_reg(M21_24XX_KBR3); |
| 188 | omap_cfg_reg(E5__24XX_KBR4); |
| 189 | if (omap_has_menelaus()) { |
| 190 | omap_cfg_reg(B3__24XX_KBR5); |
| 191 | omap_cfg_reg(AA4_24XX_KBC2); |
| 192 | omap_cfg_reg(B13_24XX_KBC6); |
| 193 | } else { |
| 194 | omap_cfg_reg(M18_24XX_KBR5); |
| 195 | omap_cfg_reg(H19_24XX_KBC2); |
| 196 | omap_cfg_reg(N19_24XX_KBC6); |
| 197 | } |
| 198 | omap_cfg_reg(R20_24XX_KBC0); |
| 199 | omap_cfg_reg(M14_24XX_KBC1); |
| 200 | omap_cfg_reg(V17_24XX_KBC3); |
| 201 | omap_cfg_reg(P21_24XX_KBC4); |
| 202 | omap_cfg_reg(L14_24XX_KBC5); |
| 203 | } |
| 204 | } |
| 205 | #else |
| 206 | static inline void omap_init_kp(void) {} |
| 207 | #endif |
| 208 | |
| 209 | /*-------------------------------------------------------------------------*/ |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 210 | |
| 211 | #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) |
| 212 | |
| 213 | #ifdef CONFIG_ARCH_OMAP24XX |
| 214 | #define OMAP_MMC1_BASE 0x4809c000 |
Kyungmin Park | abc45e1 | 2006-09-25 12:41:25 +0300 | [diff] [blame] | 215 | #define OMAP_MMC1_INT INT_24XX_MMC_IRQ |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 216 | #else |
| 217 | #define OMAP_MMC1_BASE 0xfffb7800 |
| 218 | #define OMAP_MMC1_INT INT_MMC |
| 219 | #endif |
| 220 | #define OMAP_MMC2_BASE 0xfffb7c00 /* omap16xx only */ |
| 221 | |
| 222 | static struct omap_mmc_conf mmc1_conf; |
| 223 | |
| 224 | static u64 mmc1_dmamask = 0xffffffff; |
| 225 | |
| 226 | static struct resource mmc1_resources[] = { |
| 227 | { |
Tony Lindgren | ce9c1a8 | 2006-07-01 19:56:44 +0100 | [diff] [blame] | 228 | .start = OMAP_MMC1_BASE, |
| 229 | .end = OMAP_MMC1_BASE + 0x7f, |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 230 | .flags = IORESOURCE_MEM, |
| 231 | }, |
| 232 | { |
| 233 | .start = OMAP_MMC1_INT, |
| 234 | .flags = IORESOURCE_IRQ, |
| 235 | }, |
| 236 | }; |
| 237 | |
| 238 | static struct platform_device mmc_omap_device1 = { |
| 239 | .name = "mmci-omap", |
| 240 | .id = 1, |
| 241 | .dev = { |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 242 | .dma_mask = &mmc1_dmamask, |
| 243 | .platform_data = &mmc1_conf, |
| 244 | }, |
| 245 | .num_resources = ARRAY_SIZE(mmc1_resources), |
| 246 | .resource = mmc1_resources, |
| 247 | }; |
| 248 | |
| 249 | #ifdef CONFIG_ARCH_OMAP16XX |
| 250 | |
| 251 | static struct omap_mmc_conf mmc2_conf; |
| 252 | |
| 253 | static u64 mmc2_dmamask = 0xffffffff; |
| 254 | |
| 255 | static struct resource mmc2_resources[] = { |
| 256 | { |
Tony Lindgren | ce9c1a8 | 2006-07-01 19:56:44 +0100 | [diff] [blame] | 257 | .start = OMAP_MMC2_BASE, |
| 258 | .end = OMAP_MMC2_BASE + 0x7f, |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 259 | .flags = IORESOURCE_MEM, |
| 260 | }, |
| 261 | { |
| 262 | .start = INT_1610_MMC2, |
| 263 | .flags = IORESOURCE_IRQ, |
| 264 | }, |
| 265 | }; |
| 266 | |
| 267 | static struct platform_device mmc_omap_device2 = { |
| 268 | .name = "mmci-omap", |
| 269 | .id = 2, |
| 270 | .dev = { |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 271 | .dma_mask = &mmc2_dmamask, |
| 272 | .platform_data = &mmc2_conf, |
| 273 | }, |
| 274 | .num_resources = ARRAY_SIZE(mmc2_resources), |
| 275 | .resource = mmc2_resources, |
| 276 | }; |
| 277 | #endif |
| 278 | |
| 279 | static void __init omap_init_mmc(void) |
| 280 | { |
| 281 | const struct omap_mmc_config *mmc_conf; |
| 282 | const struct omap_mmc_conf *mmc; |
| 283 | |
| 284 | /* NOTE: assumes MMC was never (wrongly) enabled */ |
| 285 | mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config); |
| 286 | if (!mmc_conf) |
| 287 | return; |
| 288 | |
| 289 | /* block 1 is always available and has just one pinout option */ |
| 290 | mmc = &mmc_conf->mmc[0]; |
| 291 | if (mmc->enabled) { |
Kyungmin Park | abc45e1 | 2006-09-25 12:41:25 +0300 | [diff] [blame] | 292 | if (cpu_is_omap24xx()) { |
| 293 | omap_cfg_reg(H18_24XX_MMC_CMD); |
| 294 | omap_cfg_reg(H15_24XX_MMC_CLKI); |
| 295 | omap_cfg_reg(G19_24XX_MMC_CLKO); |
| 296 | omap_cfg_reg(F20_24XX_MMC_DAT0); |
| 297 | omap_cfg_reg(F19_24XX_MMC_DAT_DIR0); |
| 298 | omap_cfg_reg(G18_24XX_MMC_CMD_DIR); |
| 299 | } else { |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 300 | omap_cfg_reg(MMC_CMD); |
| 301 | omap_cfg_reg(MMC_CLK); |
| 302 | omap_cfg_reg(MMC_DAT0); |
| 303 | if (cpu_is_omap1710()) { |
| 304 | omap_cfg_reg(M15_1710_MMC_CLKI); |
| 305 | omap_cfg_reg(P19_1710_MMC_CMDDIR); |
| 306 | omap_cfg_reg(P20_1710_MMC_DATDIR0); |
| 307 | } |
| 308 | } |
| 309 | if (mmc->wire4) { |
Kyungmin Park | abc45e1 | 2006-09-25 12:41:25 +0300 | [diff] [blame] | 310 | if (cpu_is_omap24xx()) { |
| 311 | omap_cfg_reg(H14_24XX_MMC_DAT1); |
| 312 | omap_cfg_reg(E19_24XX_MMC_DAT2); |
| 313 | omap_cfg_reg(D19_24XX_MMC_DAT3); |
| 314 | omap_cfg_reg(E20_24XX_MMC_DAT_DIR1); |
| 315 | omap_cfg_reg(F18_24XX_MMC_DAT_DIR2); |
| 316 | omap_cfg_reg(E18_24XX_MMC_DAT_DIR3); |
| 317 | } else { |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 318 | omap_cfg_reg(MMC_DAT1); |
| 319 | /* NOTE: DAT2 can be on W10 (here) or M15 */ |
| 320 | if (!mmc->nomux) |
| 321 | omap_cfg_reg(MMC_DAT2); |
| 322 | omap_cfg_reg(MMC_DAT3); |
| 323 | } |
| 324 | } |
| 325 | mmc1_conf = *mmc; |
| 326 | (void) platform_device_register(&mmc_omap_device1); |
| 327 | } |
| 328 | |
| 329 | #ifdef CONFIG_ARCH_OMAP16XX |
| 330 | /* block 2 is on newer chips, and has many pinout options */ |
| 331 | mmc = &mmc_conf->mmc[1]; |
| 332 | if (mmc->enabled) { |
| 333 | if (!mmc->nomux) { |
| 334 | omap_cfg_reg(Y8_1610_MMC2_CMD); |
| 335 | omap_cfg_reg(Y10_1610_MMC2_CLK); |
| 336 | omap_cfg_reg(R18_1610_MMC2_CLKIN); |
| 337 | omap_cfg_reg(W8_1610_MMC2_DAT0); |
| 338 | if (mmc->wire4) { |
| 339 | omap_cfg_reg(V8_1610_MMC2_DAT1); |
| 340 | omap_cfg_reg(W15_1610_MMC2_DAT2); |
| 341 | omap_cfg_reg(R10_1610_MMC2_DAT3); |
| 342 | } |
| 343 | |
| 344 | /* These are needed for the level shifter */ |
| 345 | omap_cfg_reg(V9_1610_MMC2_CMDDIR); |
| 346 | omap_cfg_reg(V5_1610_MMC2_DATDIR0); |
| 347 | omap_cfg_reg(W19_1610_MMC2_DATDIR1); |
| 348 | } |
| 349 | |
| 350 | /* Feedback clock must be set on OMAP-1710 MMC2 */ |
| 351 | if (cpu_is_omap1710()) |
| 352 | omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24), |
| 353 | MOD_CONF_CTRL_1); |
| 354 | mmc2_conf = *mmc; |
| 355 | (void) platform_device_register(&mmc_omap_device2); |
| 356 | } |
| 357 | #endif |
| 358 | return; |
| 359 | } |
| 360 | #else |
| 361 | static inline void omap_init_mmc(void) {} |
| 362 | #endif |
| 363 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 364 | /*-------------------------------------------------------------------------*/ |
| 365 | |
| 366 | /* Numbering for the SPI-capable controllers when used for SPI: |
| 367 | * spi = 1 |
| 368 | * uwire = 2 |
| 369 | * mmc1..2 = 3..4 |
| 370 | * mcbsp1..3 = 5..7 |
| 371 | */ |
| 372 | |
| 373 | #if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE) |
| 374 | |
| 375 | #define OMAP_UWIRE_BASE 0xfffb3000 |
| 376 | |
| 377 | static struct resource uwire_resources[] = { |
| 378 | { |
| 379 | .start = OMAP_UWIRE_BASE, |
| 380 | .end = OMAP_UWIRE_BASE + 0x20, |
| 381 | .flags = IORESOURCE_MEM, |
| 382 | }, |
| 383 | }; |
| 384 | |
| 385 | static struct platform_device omap_uwire_device = { |
| 386 | .name = "omap_uwire", |
| 387 | .id = -1, |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 388 | .num_resources = ARRAY_SIZE(uwire_resources), |
| 389 | .resource = uwire_resources, |
| 390 | }; |
| 391 | |
| 392 | static void omap_init_uwire(void) |
| 393 | { |
| 394 | /* FIXME define and use a boot tag; not all boards will be hooking |
| 395 | * up devices to the microwire controller, and multi-board configs |
| 396 | * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway... |
| 397 | */ |
| 398 | |
| 399 | /* board-specific code must configure chipselects (only a few |
| 400 | * are normally used) and SCLK/SDI/SDO (each has two choices). |
| 401 | */ |
| 402 | (void) platform_device_register(&omap_uwire_device); |
| 403 | } |
| 404 | #else |
| 405 | static inline void omap_init_uwire(void) {} |
| 406 | #endif |
| 407 | |
| 408 | /*-------------------------------------------------------------------------*/ |
| 409 | |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 410 | #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) |
| 411 | |
| 412 | #ifdef CONFIG_ARCH_OMAP24XX |
| 413 | #define OMAP_WDT_BASE 0x48022000 |
| 414 | #else |
| 415 | #define OMAP_WDT_BASE 0xfffeb000 |
| 416 | #endif |
| 417 | |
| 418 | static struct resource wdt_resources[] = { |
| 419 | { |
| 420 | .start = OMAP_WDT_BASE, |
| 421 | .end = OMAP_WDT_BASE + 0x4f, |
| 422 | .flags = IORESOURCE_MEM, |
| 423 | }, |
| 424 | }; |
| 425 | |
| 426 | static struct platform_device omap_wdt_device = { |
| 427 | .name = "omap_wdt", |
| 428 | .id = -1, |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 429 | .num_resources = ARRAY_SIZE(wdt_resources), |
| 430 | .resource = wdt_resources, |
| 431 | }; |
| 432 | |
| 433 | static void omap_init_wdt(void) |
| 434 | { |
| 435 | (void) platform_device_register(&omap_wdt_device); |
| 436 | } |
| 437 | #else |
| 438 | static inline void omap_init_wdt(void) {} |
| 439 | #endif |
| 440 | |
| 441 | /*-------------------------------------------------------------------------*/ |
| 442 | |
Tony Lindgren | c40fae9 | 2006-12-07 13:58:10 -0800 | [diff] [blame] | 443 | #if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE) |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 444 | |
| 445 | #ifdef CONFIG_ARCH_OMAP24XX |
| 446 | #define OMAP_RNG_BASE 0x480A0000 |
| 447 | #else |
| 448 | #define OMAP_RNG_BASE 0xfffe5000 |
| 449 | #endif |
| 450 | |
| 451 | static struct resource rng_resources[] = { |
| 452 | { |
| 453 | .start = OMAP_RNG_BASE, |
| 454 | .end = OMAP_RNG_BASE + 0x4f, |
| 455 | .flags = IORESOURCE_MEM, |
| 456 | }, |
| 457 | }; |
| 458 | |
| 459 | static struct platform_device omap_rng_device = { |
| 460 | .name = "omap_rng", |
| 461 | .id = -1, |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 462 | .num_resources = ARRAY_SIZE(rng_resources), |
| 463 | .resource = rng_resources, |
| 464 | }; |
| 465 | |
| 466 | static void omap_init_rng(void) |
| 467 | { |
| 468 | (void) platform_device_register(&omap_rng_device); |
| 469 | } |
| 470 | #else |
| 471 | static inline void omap_init_rng(void) {} |
| 472 | #endif |
| 473 | |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 474 | /* |
| 475 | * This gets called after board-specific INIT_MACHINE, and initializes most |
| 476 | * on-chip peripherals accessible on this board (except for few like USB): |
| 477 | * |
| 478 | * (a) Does any "standard config" pin muxing needed. Board-specific |
| 479 | * code will have muxed GPIO pins and done "nonstandard" setup; |
| 480 | * that code could live in the boot loader. |
| 481 | * (b) Populating board-specific platform_data with the data drivers |
| 482 | * rely on to handle wiring variations. |
| 483 | * (c) Creating platform devices as meaningful on this board and |
| 484 | * with this kernel configuration. |
| 485 | * |
| 486 | * Claiming GPIOs, and setting their direction and initial values, is the |
| 487 | * responsibility of the device drivers. So is responding to probe(). |
| 488 | * |
| 489 | * Board-specific knowlege like creating devices or pin setup is to be |
| 490 | * kept out of drivers as much as possible. In particular, pin setup |
| 491 | * may be handled by the boot loader, and drivers should expect it will |
| 492 | * normally have been done by the time they're probed. |
| 493 | */ |
| 494 | static int __init omap_init_devices(void) |
| 495 | { |
Syed Mohammed Khasim | 56a2564 | 2006-12-06 17:14:08 -0800 | [diff] [blame] | 496 | /* |
| 497 | * Need to enable relevant once for 2430 SDP |
| 498 | */ |
| 499 | #ifndef CONFIG_MACH_OMAP_2430SDP |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 500 | /* please keep these calls, and their implementations above, |
| 501 | * in alphabetical order so they're easier to sort through. |
| 502 | */ |
Tony Lindgren | c40fae9 | 2006-12-07 13:58:10 -0800 | [diff] [blame] | 503 | omap_init_dsp(); |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 504 | omap_init_i2c(); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 505 | omap_init_kp(); |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 506 | omap_init_mmc(); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 507 | omap_init_uwire(); |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 508 | omap_init_wdt(); |
| 509 | omap_init_rng(); |
Syed Mohammed Khasim | 56a2564 | 2006-12-06 17:14:08 -0800 | [diff] [blame] | 510 | #endif |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 511 | return 0; |
| 512 | } |
| 513 | arch_initcall(omap_init_devices); |