arch/arm/mach-omap2/devices.c

   1 /*
   2  * linux/arch/arm/mach-omap2/devices.c
   3  *
   4  * OMAP2 platform device setup/initialization
   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
  12 #include <linux/module.h>
  13 #include <linux/kernel.h>
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/io.h>
  17
  18 #include <mach/hardware.h>
  19 #include <asm/mach-types.h>
  20 #include <asm/mach/map.h>
  21
  22 #include <mach/tc.h>
  23 #include <mach/board.h>
  24 #include <mach/mux.h>
  25 #include <mach/gpio.h>
  26 #include <mach/eac.h>
  27 #include <mach/mmc.h>
  28
  29 #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
  30 #define OMAP2_MBOX_BASE         IO_ADDRESS(OMAP24XX_MAILBOX_BASE)
  31
  32 static struct resource mbox_resources[] = {
  33         {
  34                 .start          = OMAP2_MBOX_BASE,
  35                 .end            = OMAP2_MBOX_BASE + 0x11f,
  36                 .flags          = IORESOURCE_MEM,
  37         },
  38         {
  39                 .start          = INT_24XX_MAIL_U0_MPU,
  40                 .flags          = IORESOURCE_IRQ,
  41         },
  42         {
  43                 .start          = INT_24XX_MAIL_U3_MPU,
  44                 .flags          = IORESOURCE_IRQ,
  45         },
  46 };
  47
  48 static struct platform_device mbox_device = {
  49         .name           = "mailbox",
  50         .id             = -1,
  51         .num_resources  = ARRAY_SIZE(mbox_resources),
  52         .resource       = mbox_resources,
  53 };
  54
  55 static inline void omap_init_mbox(void)
  56 {
  57         platform_device_register(&mbox_device);
  58 }
  59 #else
  60 static inline void omap_init_mbox(void) { }
  61 #endif
  62
  63 #if defined(CONFIG_OMAP_STI)
  64
  65 #if defined(CONFIG_ARCH_OMAP2)
  66
  67 #define OMAP2_STI_BASE          0x48068000
  68 #define OMAP2_STI_CHANNEL_BASE  0x54000000
  69 #define OMAP2_STI_IRQ           4
  70
  71 static struct resource sti_resources[] = {
  72         {
  73                 .start          = OMAP2_STI_BASE,
  74                 .end            = OMAP2_STI_BASE + 0x7ff,
  75                 .flags          = IORESOURCE_MEM,
  76         },
  77         {
  78                 .start          = OMAP2_STI_CHANNEL_BASE,
  79                 .end            = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1,
  80                 .flags          = IORESOURCE_MEM,
  81         },
  82         {
  83                 .start          = OMAP2_STI_IRQ,
  84                 .flags          = IORESOURCE_IRQ,
  85         }
  86 };
  87 #elif defined(CONFIG_ARCH_OMAP3)
  88
  89 #define OMAP3_SDTI_BASE         0x54500000
  90 #define OMAP3_SDTI_CHANNEL_BASE 0x54600000
  91
  92 static struct resource sti_resources[] = {
  93         {
  94                 .start          = OMAP3_SDTI_BASE,
  95                 .end            = OMAP3_SDTI_BASE + 0xFFF,
  96                 .flags          = IORESOURCE_MEM,
  97         },
  98         {
  99                 .start          = OMAP3_SDTI_CHANNEL_BASE,
 100                 .end            = OMAP3_SDTI_CHANNEL_BASE + SZ_1M - 1,
 101                 .flags          = IORESOURCE_MEM,
 102         }
 103 };
 104
 105 #endif
 106
 107 static struct platform_device sti_device = {
 108         .name           = "sti",
 109         .id             = -1,
 110         .num_resources  = ARRAY_SIZE(sti_resources),
 111         .resource       = sti_resources,
 112 };
 113
 114 static inline void omap_init_sti(void)
 115 {
 116         platform_device_register(&sti_device);
 117 }
 118 #else
 119 static inline void omap_init_sti(void) {}
 120 #endif
 121
 122 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
 123
 124 #include <mach/mcspi.h>
 125
 126 #define OMAP2_MCSPI1_BASE               0x48098000
 127 #define OMAP2_MCSPI2_BASE               0x4809a000
 128 #define OMAP2_MCSPI3_BASE               0x480b8000
 129 #define OMAP2_MCSPI4_BASE               0x480ba000
 130
 131 static struct omap2_mcspi_platform_config omap2_mcspi1_config = {
 132         .num_cs         = 4,
 133 };
 134
 135 static struct resource omap2_mcspi1_resources[] = {
 136         {
 137                 .start          = OMAP2_MCSPI1_BASE,
 138                 .end            = OMAP2_MCSPI1_BASE + 0xff,
 139                 .flags          = IORESOURCE_MEM,
 140         },
 141 };
 142
 143 static struct platform_device omap2_mcspi1 = {
 144         .name           = "omap2_mcspi",
 145         .id             = 1,
 146         .num_resources  = ARRAY_SIZE(omap2_mcspi1_resources),
 147         .resource       = omap2_mcspi1_resources,
 148         .dev            = {
 149                 .platform_data = &omap2_mcspi1_config,
 150         },
 151 };
 152
 153 static struct omap2_mcspi_platform_config omap2_mcspi2_config = {
 154         .num_cs         = 2,
 155 };
 156
 157 static struct resource omap2_mcspi2_resources[] = {
 158         {
 159                 .start          = OMAP2_MCSPI2_BASE,
 160                 .end            = OMAP2_MCSPI2_BASE + 0xff,
 161                 .flags          = IORESOURCE_MEM,
 162         },
 163 };
 164
 165 static struct platform_device omap2_mcspi2 = {
 166         .name           = "omap2_mcspi",
 167         .id             = 2,
 168         .num_resources  = ARRAY_SIZE(omap2_mcspi2_resources),
 169         .resource       = omap2_mcspi2_resources,
 170         .dev            = {
 171                 .platform_data = &omap2_mcspi2_config,
 172         },
 173 };
 174
 175 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
 176 static struct omap2_mcspi_platform_config omap2_mcspi3_config = {
 177         .num_cs         = 2,
 178 };
 179
 180 static struct resource omap2_mcspi3_resources[] = {
 181         {
 182         .start          = OMAP2_MCSPI3_BASE,
 183         .end            = OMAP2_MCSPI3_BASE + 0xff,
 184         .flags          = IORESOURCE_MEM,
 185         },
 186 };
 187
 188 static struct platform_device omap2_mcspi3 = {
 189         .name           = "omap2_mcspi",
 190         .id             = 3,
 191         .num_resources  = ARRAY_SIZE(omap2_mcspi3_resources),
 192         .resource       = omap2_mcspi3_resources,
 193         .dev            = {
 194                 .platform_data = &omap2_mcspi3_config,
 195         },
 196 };
 197 #endif
 198
 199 #ifdef CONFIG_ARCH_OMAP3
 200 static struct omap2_mcspi_platform_config omap2_mcspi4_config = {
 201         .num_cs         = 1,
 202 };
 203
 204 static struct resource omap2_mcspi4_resources[] = {
 205         {
 206                 .start          = OMAP2_MCSPI4_BASE,
 207                 .end            = OMAP2_MCSPI4_BASE + 0xff,
 208                 .flags          = IORESOURCE_MEM,
 209         },
 210 };
 211
 212 static struct platform_device omap2_mcspi4 = {
 213         .name           = "omap2_mcspi",
 214         .id             = 4,
 215         .num_resources  = ARRAY_SIZE(omap2_mcspi4_resources),
 216         .resource       = omap2_mcspi4_resources,
 217         .dev            = {
 218                 .platform_data = &omap2_mcspi4_config,
 219         },
 220 };
 221 #endif
 222
 223 static void omap_init_mcspi(void)
 224 {
 225         platform_device_register(&omap2_mcspi1);
 226         platform_device_register(&omap2_mcspi2);
 227 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
 228         platform_device_register(&omap2_mcspi3);
 229 #endif
 230 #ifdef CONFIG_ARCH_OMAP3
 231         platform_device_register(&omap2_mcspi4);
 232 #endif
 233 }
 234
 235 #else
 236 static inline void omap_init_mcspi(void) {}
 237 #endif
 238
 239 #ifdef CONFIG_SND_OMAP24XX_EAC
 240
 241 #define OMAP2_EAC_BASE                  0x48090000
 242
 243 static struct resource omap2_eac_resources[] = {
 244         {
 245                 .start          = OMAP2_EAC_BASE,
 246                 .end            = OMAP2_EAC_BASE + 0x109,
 247                 .flags          = IORESOURCE_MEM,
 248         },
 249 };
 250
 251 static struct platform_device omap2_eac_device = {
 252         .name           = "omap24xx-eac",
 253         .id             = -1,
 254         .num_resources  = ARRAY_SIZE(omap2_eac_resources),
 255         .resource       = omap2_eac_resources,
 256         .dev = {
 257                 .platform_data = NULL,
 258         },
 259 };
 260
 261 void omap_init_eac(struct eac_platform_data *pdata)
 262 {
 263         omap2_eac_device.dev.platform_data = pdata;
 264         platform_device_register(&omap2_eac_device);
 265 }
 266
 267 #else
 268 void omap_init_eac(struct eac_platform_data *pdata) {}
 269 #endif
 270
 271 #ifdef CONFIG_OMAP_SHA1_MD5
 272 static struct resource sha1_md5_resources[] = {
 273         {
 274                 .start  = OMAP24XX_SEC_SHA1MD5_BASE,
 275                 .end    = OMAP24XX_SEC_SHA1MD5_BASE + 0x64,
 276                 .flags  = IORESOURCE_MEM,
 277         },
 278         {
 279                 .start  = INT_24XX_SHA1MD5,
 280                 .flags  = IORESOURCE_IRQ,
 281         }
 282 };
 283
 284 static struct platform_device sha1_md5_device = {
 285         .name           = "OMAP SHA1/MD5",
 286         .id             = -1,
 287         .num_resources  = ARRAY_SIZE(sha1_md5_resources),
 288         .resource       = sha1_md5_resources,
 289 };
 290
 291 static void omap_init_sha1_md5(void)
 292 {
 293         platform_device_register(&sha1_md5_device);
 294 }
 295 #else
 296 static inline void omap_init_sha1_md5(void) { }
 297 #endif
 298
 299 /*-------------------------------------------------------------------------*/
 300
 301 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
 302         defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
 303
 304 static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
 305                         int controller_nr)
 306 {
 307         if (cpu_is_omap2420() && controller_nr == 0) {
 308                 omap_cfg_reg(H18_24XX_MMC_CMD);
 309                 omap_cfg_reg(H15_24XX_MMC_CLKI);
 310                 omap_cfg_reg(G19_24XX_MMC_CLKO);
 311                 omap_cfg_reg(F20_24XX_MMC_DAT0);
 312                 omap_cfg_reg(F19_24XX_MMC_DAT_DIR0);
 313                 omap_cfg_reg(G18_24XX_MMC_CMD_DIR);
 314                 if (mmc_controller->slots[0].wire4) {
 315                         omap_cfg_reg(H14_24XX_MMC_DAT1);
 316                         omap_cfg_reg(E19_24XX_MMC_DAT2);
 317                         omap_cfg_reg(D19_24XX_MMC_DAT3);
 318                         omap_cfg_reg(E20_24XX_MMC_DAT_DIR1);
 319                         omap_cfg_reg(F18_24XX_MMC_DAT_DIR2);
 320                         omap_cfg_reg(E18_24XX_MMC_DAT_DIR3);
 321                 }
 322
 323                 /*
 324                  * Use internal loop-back in MMC/SDIO Module Input Clock
 325                  * selection
 326                  */
 327                 if (mmc_controller->slots[0].internal_clock) {
 328                         u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
 329                         v |= (1 << 24);
 330                         omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
 331                 }
 332         }
 333 }
 334
 335 void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
 336                         int nr_controllers)
 337 {
 338         int i;
 339
 340         for (i = 0; i < nr_controllers; i++) {
 341                 unsigned long base, size;
 342                 unsigned int irq = 0;
 343
 344                 if (!mmc_data[i])
 345                         continue;
 346
 347                 omap2_mmc_mux(mmc_data[i], i);
 348
 349                 switch (i) {
 350                 case 0:
 351                         base = OMAP2_MMC1_BASE;
 352                         irq = INT_24XX_MMC_IRQ;
 353                         break;
 354                 case 1:
 355                         base = OMAP2_MMC2_BASE;
 356                         irq = INT_24XX_MMC2_IRQ;
 357                         break;
 358                 case 2:
 359                         if (!cpu_is_omap34xx())
 360                                 return;
 361                         base = OMAP3_MMC3_BASE;
 362                         irq = INT_34XX_MMC3_IRQ;
 363                         break;
 364                 default:
 365                         continue;
 366                 }
 367
 368                 if (cpu_is_omap2420())
 369                         size = OMAP2420_MMC_SIZE;
 370                 else
 371                         size = HSMMC_SIZE;
 372
 373                 omap_mmc_add(i, base, size, irq, mmc_data[i]);
 374         };
 375 }
 376
 377 #endif
 378
 379 /*-------------------------------------------------------------------------*/
 380
 381 #if defined(CONFIG_HDQ_MASTER_OMAP) || defined(CONFIG_HDQ_MASTER_OMAP_MODULE)
 382 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3430)
 383 #define OMAP_HDQ_BASE   0x480B2000
 384 #endif
 385 static struct resource omap_hdq_resources[] = {
 386         {
 387                 .start          = OMAP_HDQ_BASE,
 388                 .end            = OMAP_HDQ_BASE + 0x1C,
 389                 .flags          = IORESOURCE_MEM,
 390         },
 391         {
 392                 .start          = INT_24XX_HDQ_IRQ,
 393                 .flags          = IORESOURCE_IRQ,
 394         },
 395 };
 396 static struct platform_device omap_hdq_dev = {
 397         .name = "omap_hdq",
 398         .id = 0,
 399         .dev = {
 400                 .platform_data = NULL,
 401         },
 402         .num_resources  = ARRAY_SIZE(omap_hdq_resources),
 403         .resource       = omap_hdq_resources,
 404 };
 405 static inline void omap_hdq_init(void)
 406 {
 407         (void) platform_device_register(&omap_hdq_dev);
 408 }
 409 #else
 410 static inline void omap_hdq_init(void) {}
 411 #endif
 412
 413 /*-------------------------------------------------------------------------*/
 414
 415 static int __init omap2_init_devices(void)
 416 {
 417         /* please keep these calls, and their implementations above,
 418          * in alphabetical order so they're easier to sort through.
 419          */
 420         omap_init_mbox();
 421         omap_init_mcspi();
 422         omap_hdq_init();
 423         omap_init_sti();
 424         omap_init_sha1_md5();
 425
 426         return 0;
 427 }
 428 arch_initcall(omap2_init_devices);