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> |
Russell King | fced80c | 2008-09-06 12:10:45 +0100 | [diff] [blame] | 16 | #include <linux/io.h> |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 17 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 18 | #include <mach/hardware.h> |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 19 | #include <asm/mach-types.h> |
| 20 | #include <asm/mach/map.h> |
| 21 | |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 22 | #include <plat/tc.h> |
| 23 | #include <plat/control.h> |
| 24 | #include <plat/board.h> |
| 25 | #include <plat/mmc.h> |
| 26 | #include <plat/mux.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 27 | #include <mach/gpio.h> |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 28 | #include <plat/menelaus.h> |
| 29 | #include <plat/mcbsp.h> |
| 30 | #include <plat/dsp_common.h> |
Jorge Eduardo Candelaria | d6a2d9b | 2010-02-15 10:03:35 -0800 | [diff] [blame] | 31 | #include <plat/omap44xx.h> |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 32 | |
Tony Lindgren | c40fae95 | 2006-12-07 13:58:10 -0800 | [diff] [blame] | 33 | #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE) |
| 34 | |
Tony Lindgren | c40fae95 | 2006-12-07 13:58:10 -0800 | [diff] [blame] | 35 | static struct dsp_platform_data dsp_pdata = { |
| 36 | .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list), |
| 37 | }; |
| 38 | |
| 39 | static struct resource omap_dsp_resources[] = { |
| 40 | { |
| 41 | .name = "dsp_mmu", |
| 42 | .start = -1, |
| 43 | .flags = IORESOURCE_IRQ, |
| 44 | }, |
| 45 | }; |
| 46 | |
| 47 | static struct platform_device omap_dsp_device = { |
| 48 | .name = "dsp", |
| 49 | .id = -1, |
| 50 | .num_resources = ARRAY_SIZE(omap_dsp_resources), |
| 51 | .resource = omap_dsp_resources, |
| 52 | .dev = { |
| 53 | .platform_data = &dsp_pdata, |
| 54 | }, |
| 55 | }; |
| 56 | |
| 57 | static inline void omap_init_dsp(void) |
| 58 | { |
| 59 | struct resource *res; |
| 60 | int irq; |
| 61 | |
| 62 | if (cpu_is_omap15xx()) |
| 63 | irq = INT_1510_DSP_MMU; |
| 64 | else if (cpu_is_omap16xx()) |
| 65 | irq = INT_1610_DSP_MMU; |
| 66 | else if (cpu_is_omap24xx()) |
| 67 | irq = INT_24XX_DSP_MMU; |
| 68 | |
| 69 | res = platform_get_resource_byname(&omap_dsp_device, |
| 70 | IORESOURCE_IRQ, "dsp_mmu"); |
| 71 | res->start = irq; |
| 72 | |
| 73 | platform_device_register(&omap_dsp_device); |
| 74 | } |
| 75 | |
| 76 | int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev) |
| 77 | { |
| 78 | static DEFINE_MUTEX(dsp_pdata_lock); |
| 79 | |
Tony Lindgren | 646e3ed | 2008-10-06 15:49:36 +0300 | [diff] [blame] | 80 | spin_lock_init(&kdev->lock); |
Tony Lindgren | c40fae95 | 2006-12-07 13:58:10 -0800 | [diff] [blame] | 81 | |
| 82 | mutex_lock(&dsp_pdata_lock); |
| 83 | list_add_tail(&kdev->entry, &dsp_pdata.kdev_list); |
| 84 | mutex_unlock(&dsp_pdata_lock); |
| 85 | |
| 86 | return 0; |
| 87 | } |
| 88 | EXPORT_SYMBOL(dsp_kfunc_device_register); |
| 89 | |
| 90 | #else |
| 91 | static inline void omap_init_dsp(void) { } |
| 92 | #endif /* CONFIG_OMAP_DSP */ |
| 93 | |
| 94 | /*-------------------------------------------------------------------------*/ |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 95 | #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE) |
| 96 | |
| 97 | static void omap_init_kp(void) |
| 98 | { |
Syed Mohammed, Khasim | cc26b3b | 2008-10-09 17:51:41 +0300 | [diff] [blame] | 99 | /* 2430 and 34xx keypad is on TWL4030 */ |
| 100 | if (cpu_is_omap2430() || cpu_is_omap34xx()) |
| 101 | return; |
| 102 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 103 | if (machine_is_omap_h2() || machine_is_omap_h3()) { |
| 104 | omap_cfg_reg(F18_1610_KBC0); |
| 105 | omap_cfg_reg(D20_1610_KBC1); |
| 106 | omap_cfg_reg(D19_1610_KBC2); |
| 107 | omap_cfg_reg(E18_1610_KBC3); |
| 108 | omap_cfg_reg(C21_1610_KBC4); |
| 109 | |
| 110 | omap_cfg_reg(G18_1610_KBR0); |
| 111 | omap_cfg_reg(F19_1610_KBR1); |
| 112 | omap_cfg_reg(H14_1610_KBR2); |
| 113 | omap_cfg_reg(E20_1610_KBR3); |
| 114 | omap_cfg_reg(E19_1610_KBR4); |
| 115 | omap_cfg_reg(N19_1610_KBR5); |
Brian Swetland | 495f71d | 2006-06-26 16:16:03 -0700 | [diff] [blame] | 116 | } else if (machine_is_omap_perseus2() || machine_is_omap_fsample()) { |
Alistair Buxton | 7c00692 | 2009-09-22 10:02:58 +0100 | [diff] [blame] | 117 | omap_cfg_reg(E2_7XX_KBR0); |
| 118 | omap_cfg_reg(J7_7XX_KBR1); |
| 119 | omap_cfg_reg(E1_7XX_KBR2); |
| 120 | omap_cfg_reg(F3_7XX_KBR3); |
| 121 | omap_cfg_reg(D2_7XX_KBR4); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 122 | |
Alistair Buxton | 7c00692 | 2009-09-22 10:02:58 +0100 | [diff] [blame] | 123 | omap_cfg_reg(C2_7XX_KBC0); |
| 124 | omap_cfg_reg(D3_7XX_KBC1); |
| 125 | omap_cfg_reg(E4_7XX_KBC2); |
| 126 | omap_cfg_reg(F4_7XX_KBC3); |
| 127 | omap_cfg_reg(E3_7XX_KBC4); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 128 | } else if (machine_is_omap_h4()) { |
| 129 | omap_cfg_reg(T19_24XX_KBR0); |
| 130 | omap_cfg_reg(R19_24XX_KBR1); |
| 131 | omap_cfg_reg(V18_24XX_KBR2); |
| 132 | omap_cfg_reg(M21_24XX_KBR3); |
| 133 | omap_cfg_reg(E5__24XX_KBR4); |
| 134 | if (omap_has_menelaus()) { |
| 135 | omap_cfg_reg(B3__24XX_KBR5); |
| 136 | omap_cfg_reg(AA4_24XX_KBC2); |
| 137 | omap_cfg_reg(B13_24XX_KBC6); |
| 138 | } else { |
| 139 | omap_cfg_reg(M18_24XX_KBR5); |
| 140 | omap_cfg_reg(H19_24XX_KBC2); |
| 141 | omap_cfg_reg(N19_24XX_KBC6); |
| 142 | } |
| 143 | omap_cfg_reg(R20_24XX_KBC0); |
| 144 | omap_cfg_reg(M14_24XX_KBC1); |
| 145 | omap_cfg_reg(V17_24XX_KBC3); |
| 146 | omap_cfg_reg(P21_24XX_KBC4); |
| 147 | omap_cfg_reg(L14_24XX_KBC5); |
| 148 | } |
| 149 | } |
| 150 | #else |
| 151 | static inline void omap_init_kp(void) {} |
| 152 | #endif |
| 153 | |
| 154 | /*-------------------------------------------------------------------------*/ |
Eduardo Valentin | bc5d0c8 | 2008-07-03 12:24:39 +0300 | [diff] [blame] | 155 | #if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE) |
| 156 | |
| 157 | static struct platform_device **omap_mcbsp_devices; |
| 158 | |
| 159 | void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, |
| 160 | int size) |
| 161 | { |
| 162 | int i; |
| 163 | |
Eduardo Valentin | bc5d0c8 | 2008-07-03 12:24:39 +0300 | [diff] [blame] | 164 | omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *), |
| 165 | GFP_KERNEL); |
| 166 | if (!omap_mcbsp_devices) { |
| 167 | printk(KERN_ERR "Could not register McBSP devices\n"); |
| 168 | return; |
| 169 | } |
| 170 | |
| 171 | for (i = 0; i < size; i++) { |
| 172 | struct platform_device *new_mcbsp; |
| 173 | int ret; |
| 174 | |
| 175 | new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1); |
| 176 | if (!new_mcbsp) |
| 177 | continue; |
| 178 | new_mcbsp->dev.platform_data = &config[i]; |
| 179 | ret = platform_device_add(new_mcbsp); |
| 180 | if (ret) { |
| 181 | platform_device_put(new_mcbsp); |
| 182 | continue; |
| 183 | } |
| 184 | omap_mcbsp_devices[i] = new_mcbsp; |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | #else |
| 189 | void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, |
| 190 | int size) |
| 191 | { } |
| 192 | #endif |
| 193 | |
| 194 | /*-------------------------------------------------------------------------*/ |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 195 | |
Jorge Eduardo Candelaria | d6a2d9b | 2010-02-15 10:03:35 -0800 | [diff] [blame] | 196 | #if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \ |
| 197 | defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE) |
| 198 | |
| 199 | static struct resource mcpdm_resources[] = { |
| 200 | { |
| 201 | .name = "mcpdm_mem", |
| 202 | .start = OMAP44XX_MCPDM_BASE, |
| 203 | .end = OMAP44XX_MCPDM_BASE + SZ_4K, |
| 204 | .flags = IORESOURCE_MEM, |
| 205 | }, |
| 206 | { |
| 207 | .name = "mcpdm_irq", |
Santosh Shilimkar | 5772ca7 | 2010-02-18 03:14:12 +0530 | [diff] [blame^] | 208 | .start = OMAP44XX_IRQ_MCPDM, |
| 209 | .end = OMAP44XX_IRQ_MCPDM, |
Jorge Eduardo Candelaria | d6a2d9b | 2010-02-15 10:03:35 -0800 | [diff] [blame] | 210 | .flags = IORESOURCE_IRQ, |
| 211 | }, |
| 212 | }; |
| 213 | |
| 214 | static struct platform_device omap_mcpdm_device = { |
| 215 | .name = "omap-mcpdm", |
| 216 | .id = -1, |
| 217 | .num_resources = ARRAY_SIZE(mcpdm_resources), |
| 218 | .resource = mcpdm_resources, |
| 219 | }; |
| 220 | |
| 221 | static void omap_init_mcpdm(void) |
| 222 | { |
| 223 | (void) platform_device_register(&omap_mcpdm_device); |
| 224 | } |
| 225 | #else |
| 226 | static inline void omap_init_mcpdm(void) {} |
| 227 | #endif |
| 228 | |
| 229 | /*-------------------------------------------------------------------------*/ |
| 230 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 231 | #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \ |
Russell King | 7736c09 | 2008-09-09 10:16:22 +0100 | [diff] [blame] | 232 | defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 233 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 234 | #define OMAP_MMC_NR_RES 2 |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 235 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 236 | /* |
| 237 | * Register MMC devices. Called from mach-omap1 and mach-omap2 device init. |
| 238 | */ |
Tony Lindgren | 0dffb5c | 2009-01-29 08:57:16 -0800 | [diff] [blame] | 239 | int __init omap_mmc_add(const char *name, int id, unsigned long base, |
| 240 | unsigned long size, unsigned int irq, |
| 241 | struct omap_mmc_platform_data *data) |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 242 | { |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 243 | struct platform_device *pdev; |
| 244 | struct resource res[OMAP_MMC_NR_RES]; |
| 245 | int ret; |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 246 | |
Tony Lindgren | 0dffb5c | 2009-01-29 08:57:16 -0800 | [diff] [blame] | 247 | pdev = platform_device_alloc(name, id); |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 248 | if (!pdev) |
| 249 | return -ENOMEM; |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 250 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 251 | memset(res, 0, OMAP_MMC_NR_RES * sizeof(struct resource)); |
| 252 | res[0].start = base; |
| 253 | res[0].end = base + size - 1; |
| 254 | res[0].flags = IORESOURCE_MEM; |
| 255 | res[1].start = res[1].end = irq; |
| 256 | res[1].flags = IORESOURCE_IRQ; |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 257 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 258 | ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res)); |
| 259 | if (ret == 0) |
| 260 | ret = platform_device_add_data(pdev, data, sizeof(*data)); |
| 261 | if (ret) |
| 262 | goto fail; |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 263 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 264 | ret = platform_device_add(pdev); |
| 265 | if (ret) |
| 266 | goto fail; |
David Brownell | 01971f6 | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 267 | |
| 268 | /* return device handle to board setup code */ |
| 269 | data->dev = &pdev->dev; |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 270 | return 0; |
| 271 | |
| 272 | fail: |
| 273 | platform_device_put(pdev); |
| 274 | return ret; |
Russell King | 7736c09 | 2008-09-09 10:16:22 +0100 | [diff] [blame] | 275 | } |
| 276 | |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 277 | #endif |
| 278 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 279 | /*-------------------------------------------------------------------------*/ |
| 280 | |
Ladislav Michl | 3bfe897 | 2009-12-11 16:16:36 -0800 | [diff] [blame] | 281 | #if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE) |
| 282 | |
Tony Lindgren | 088ef95 | 2010-02-12 12:26:47 -0800 | [diff] [blame] | 283 | #ifdef CONFIG_ARCH_OMAP2 |
Ladislav Michl | 3bfe897 | 2009-12-11 16:16:36 -0800 | [diff] [blame] | 284 | #define OMAP_RNG_BASE 0x480A0000 |
| 285 | #else |
| 286 | #define OMAP_RNG_BASE 0xfffe5000 |
| 287 | #endif |
| 288 | |
| 289 | static struct resource rng_resources[] = { |
| 290 | { |
| 291 | .start = OMAP_RNG_BASE, |
| 292 | .end = OMAP_RNG_BASE + 0x4f, |
| 293 | .flags = IORESOURCE_MEM, |
| 294 | }, |
| 295 | }; |
| 296 | |
| 297 | static struct platform_device omap_rng_device = { |
| 298 | .name = "omap_rng", |
| 299 | .id = -1, |
| 300 | .num_resources = ARRAY_SIZE(rng_resources), |
| 301 | .resource = rng_resources, |
| 302 | }; |
| 303 | |
| 304 | static void omap_init_rng(void) |
| 305 | { |
| 306 | (void) platform_device_register(&omap_rng_device); |
| 307 | } |
| 308 | #else |
| 309 | static inline void omap_init_rng(void) {} |
| 310 | #endif |
| 311 | |
| 312 | /*-------------------------------------------------------------------------*/ |
| 313 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 314 | /* Numbering for the SPI-capable controllers when used for SPI: |
| 315 | * spi = 1 |
| 316 | * uwire = 2 |
| 317 | * mmc1..2 = 3..4 |
| 318 | * mcbsp1..3 = 5..7 |
| 319 | */ |
| 320 | |
| 321 | #if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE) |
| 322 | |
| 323 | #define OMAP_UWIRE_BASE 0xfffb3000 |
| 324 | |
| 325 | static struct resource uwire_resources[] = { |
| 326 | { |
| 327 | .start = OMAP_UWIRE_BASE, |
| 328 | .end = OMAP_UWIRE_BASE + 0x20, |
| 329 | .flags = IORESOURCE_MEM, |
| 330 | }, |
| 331 | }; |
| 332 | |
| 333 | static struct platform_device omap_uwire_device = { |
| 334 | .name = "omap_uwire", |
| 335 | .id = -1, |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 336 | .num_resources = ARRAY_SIZE(uwire_resources), |
| 337 | .resource = uwire_resources, |
| 338 | }; |
| 339 | |
| 340 | static void omap_init_uwire(void) |
| 341 | { |
| 342 | /* FIXME define and use a boot tag; not all boards will be hooking |
| 343 | * up devices to the microwire controller, and multi-board configs |
| 344 | * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway... |
| 345 | */ |
| 346 | |
| 347 | /* board-specific code must configure chipselects (only a few |
| 348 | * are normally used) and SCLK/SDI/SDO (each has two choices). |
| 349 | */ |
| 350 | (void) platform_device_register(&omap_uwire_device); |
| 351 | } |
| 352 | #else |
| 353 | static inline void omap_init_uwire(void) {} |
| 354 | #endif |
| 355 | |
| 356 | /*-------------------------------------------------------------------------*/ |
| 357 | |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 358 | #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) |
| 359 | |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 360 | static struct resource wdt_resources[] = { |
| 361 | { |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 362 | .flags = IORESOURCE_MEM, |
| 363 | }, |
| 364 | }; |
| 365 | |
| 366 | static struct platform_device omap_wdt_device = { |
| 367 | .name = "omap_wdt", |
| 368 | .id = -1, |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 369 | .num_resources = ARRAY_SIZE(wdt_resources), |
| 370 | .resource = wdt_resources, |
| 371 | }; |
| 372 | |
| 373 | static void omap_init_wdt(void) |
| 374 | { |
Felipe Balbi | 2817142 | 2008-09-20 04:14:01 +0300 | [diff] [blame] | 375 | if (cpu_is_omap16xx()) |
| 376 | wdt_resources[0].start = 0xfffeb000; |
| 377 | else if (cpu_is_omap2420()) |
| 378 | wdt_resources[0].start = 0x48022000; /* WDT2 */ |
| 379 | else if (cpu_is_omap2430()) |
| 380 | wdt_resources[0].start = 0x49016000; /* WDT2 */ |
| 381 | else if (cpu_is_omap343x()) |
| 382 | wdt_resources[0].start = 0x48314000; /* WDT2 */ |
Santosh Shilimkar | 4416907 | 2009-05-28 14:16:04 -0700 | [diff] [blame] | 383 | else if (cpu_is_omap44xx()) |
| 384 | wdt_resources[0].start = 0x4a314000; |
Felipe Balbi | 2817142 | 2008-09-20 04:14:01 +0300 | [diff] [blame] | 385 | else |
| 386 | return; |
| 387 | |
| 388 | wdt_resources[0].end = wdt_resources[0].start + 0x4f; |
| 389 | |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 390 | (void) platform_device_register(&omap_wdt_device); |
| 391 | } |
| 392 | #else |
| 393 | static inline void omap_init_wdt(void) {} |
| 394 | #endif |
| 395 | |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 396 | /* |
| 397 | * This gets called after board-specific INIT_MACHINE, and initializes most |
| 398 | * on-chip peripherals accessible on this board (except for few like USB): |
| 399 | * |
| 400 | * (a) Does any "standard config" pin muxing needed. Board-specific |
| 401 | * code will have muxed GPIO pins and done "nonstandard" setup; |
| 402 | * that code could live in the boot loader. |
| 403 | * (b) Populating board-specific platform_data with the data drivers |
| 404 | * rely on to handle wiring variations. |
| 405 | * (c) Creating platform devices as meaningful on this board and |
| 406 | * with this kernel configuration. |
| 407 | * |
| 408 | * Claiming GPIOs, and setting their direction and initial values, is the |
| 409 | * responsibility of the device drivers. So is responding to probe(). |
| 410 | * |
| 411 | * Board-specific knowlege like creating devices or pin setup is to be |
| 412 | * kept out of drivers as much as possible. In particular, pin setup |
| 413 | * may be handled by the boot loader, and drivers should expect it will |
| 414 | * normally have been done by the time they're probed. |
| 415 | */ |
| 416 | static int __init omap_init_devices(void) |
| 417 | { |
| 418 | /* please keep these calls, and their implementations above, |
| 419 | * in alphabetical order so they're easier to sort through. |
| 420 | */ |
Tony Lindgren | c40fae95 | 2006-12-07 13:58:10 -0800 | [diff] [blame] | 421 | omap_init_dsp(); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 422 | omap_init_kp(); |
Ladislav Michl | 3bfe897 | 2009-12-11 16:16:36 -0800 | [diff] [blame] | 423 | omap_init_rng(); |
Jorge Eduardo Candelaria | d6a2d9b | 2010-02-15 10:03:35 -0800 | [diff] [blame] | 424 | omap_init_mcpdm(); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 425 | omap_init_uwire(); |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 426 | omap_init_wdt(); |
Tony Lindgren | 1a8bfa1 | 2005-11-10 14:26:50 +0000 | [diff] [blame] | 427 | return 0; |
| 428 | } |
| 429 | arch_initcall(omap_init_devices); |