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/control.h>
  23 #include <mach/tc.h>
  24 #include <mach/board.h>
  25 #include <mach/mux.h>
  26 #include <mach/gpio.h>
  27 #include <mach/eac.h>
  28 #include <mach/mmc.h>
  29
  30 #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
  31 #define OMAP2_MBOX_BASE         IO_ADDRESS(OMAP24XX_MAILBOX_BASE)
  32
  33 static struct resource mbox_resources[] = {
  34         {
  35                 .start          = OMAP2_MBOX_BASE,
  36                 .end            = OMAP2_MBOX_BASE + 0x11f,
  37                 .flags          = IORESOURCE_MEM,
  38         },
  39         {
  40                 .start          = INT_24XX_MAIL_U0_MPU,
  41                 .flags          = IORESOURCE_IRQ,
  42         },
  43         {
  44                 .start          = INT_24XX_MAIL_U3_MPU,
  45                 .flags          = IORESOURCE_IRQ,
  46         },
  47 };
  48
  49 static struct platform_device mbox_device = {
  50         .name           = "mailbox",
  51         .id             = -1,
  52         .num_resources  = ARRAY_SIZE(mbox_resources),
  53         .resource       = mbox_resources,
  54 };
  55
  56 static inline void omap_init_mbox(void)
  57 {
  58         platform_device_register(&mbox_device);
  59 }
  60 #else
  61 static inline void omap_init_mbox(void) { }
  62 #endif
  63
  64 #if defined(CONFIG_OMAP_STI)
  65
  66 #if defined(CONFIG_ARCH_OMAP2)
  67
  68 #define OMAP2_STI_BASE          0x48068000
  69 #define OMAP2_STI_CHANNEL_BASE  0x54000000
  70 #define OMAP2_STI_IRQ           4
  71
  72 static struct resource sti_resources[] = {
  73         {
  74                 .start          = OMAP2_STI_BASE,
  75                 .end            = OMAP2_STI_BASE + 0x7ff,
  76                 .flags          = IORESOURCE_MEM,
  77         },
  78         {
  79                 .start          = OMAP2_STI_CHANNEL_BASE,
  80                 .end            = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1,
  81                 .flags          = IORESOURCE_MEM,
  82         },
  83         {
  84                 .start          = OMAP2_STI_IRQ,
  85                 .flags          = IORESOURCE_IRQ,
  86         }
  87 };
  88 #elif defined(CONFIG_ARCH_OMAP3)
  89
  90 #define OMAP3_SDTI_BASE         0x54500000
  91 #define OMAP3_SDTI_CHANNEL_BASE 0x54600000
  92
  93 static struct resource sti_resources[] = {
  94         {
  95                 .start          = OMAP3_SDTI_BASE,
  96                 .end            = OMAP3_SDTI_BASE + 0xFFF,
  97                 .flags          = IORESOURCE_MEM,
  98         },
  99         {
 100                 .start          = OMAP3_SDTI_CHANNEL_BASE,
 101                 .end            = OMAP3_SDTI_CHANNEL_BASE + SZ_1M - 1,
 102                 .flags          = IORESOURCE_MEM,
 103         }
 104 };
 105
 106 #endif
 107
 108 static struct platform_device sti_device = {
 109         .name           = "sti",
 110         .id             = -1,
 111         .num_resources  = ARRAY_SIZE(sti_resources),
 112         .resource       = sti_resources,
 113 };
 114
 115 static inline void omap_init_sti(void)
 116 {
 117         platform_device_register(&sti_device);
 118 }
 119 #else
 120 static inline void omap_init_sti(void) {}
 121 #endif
 122
 123 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
 124
 125 #include <mach/mcspi.h>
 126
 127 #define OMAP2_MCSPI1_BASE               0x48098000
 128 #define OMAP2_MCSPI2_BASE               0x4809a000
 129 #define OMAP2_MCSPI3_BASE               0x480b8000
 130 #define OMAP2_MCSPI4_BASE               0x480ba000
 131
 132 static struct omap2_mcspi_platform_config omap2_mcspi1_config = {
 133         .num_cs         = 4,
 134 };
 135
 136 static struct resource omap2_mcspi1_resources[] = {
 137         {
 138                 .start          = OMAP2_MCSPI1_BASE,
 139                 .end            = OMAP2_MCSPI1_BASE + 0xff,
 140                 .flags          = IORESOURCE_MEM,
 141         },
 142 };
 143
 144 static struct platform_device omap2_mcspi1 = {
 145         .name           = "omap2_mcspi",
 146         .id             = 1,
 147         .num_resources  = ARRAY_SIZE(omap2_mcspi1_resources),
 148         .resource       = omap2_mcspi1_resources,
 149         .dev            = {
 150                 .platform_data = &omap2_mcspi1_config,
 151         },
 152 };
 153
 154 static struct omap2_mcspi_platform_config omap2_mcspi2_config = {
 155         .num_cs         = 2,
 156 };
 157
 158 static struct resource omap2_mcspi2_resources[] = {
 159         {
 160                 .start          = OMAP2_MCSPI2_BASE,
 161                 .end            = OMAP2_MCSPI2_BASE + 0xff,
 162                 .flags          = IORESOURCE_MEM,
 163         },
 164 };
 165
 166 static struct platform_device omap2_mcspi2 = {
 167         .name           = "omap2_mcspi",
 168         .id             = 2,
 169         .num_resources  = ARRAY_SIZE(omap2_mcspi2_resources),
 170         .resource       = omap2_mcspi2_resources,
 171         .dev            = {
 172                 .platform_data = &omap2_mcspi2_config,
 173         },
 174 };
 175
 176 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
 177 static struct omap2_mcspi_platform_config omap2_mcspi3_config = {
 178         .num_cs         = 2,
 179 };
 180
 181 static struct resource omap2_mcspi3_resources[] = {
 182         {
 183         .start          = OMAP2_MCSPI3_BASE,
 184         .end            = OMAP2_MCSPI3_BASE + 0xff,
 185         .flags          = IORESOURCE_MEM,
 186         },
 187 };
 188
 189 static struct platform_device omap2_mcspi3 = {
 190         .name           = "omap2_mcspi",
 191         .id             = 3,
 192         .num_resources  = ARRAY_SIZE(omap2_mcspi3_resources),
 193         .resource       = omap2_mcspi3_resources,
 194         .dev            = {
 195                 .platform_data = &omap2_mcspi3_config,
 196         },
 197 };
 198 #endif
 199
 200 #ifdef CONFIG_ARCH_OMAP3
 201 static struct omap2_mcspi_platform_config omap2_mcspi4_config = {
 202         .num_cs         = 1,
 203 };
 204
 205 static struct resource omap2_mcspi4_resources[] = {
 206         {
 207                 .start          = OMAP2_MCSPI4_BASE,
 208                 .end            = OMAP2_MCSPI4_BASE + 0xff,
 209                 .flags          = IORESOURCE_MEM,
 210         },
 211 };
 212
 213 static struct platform_device omap2_mcspi4 = {
 214         .name           = "omap2_mcspi",
 215         .id             = 4,
 216         .num_resources  = ARRAY_SIZE(omap2_mcspi4_resources),
 217         .resource       = omap2_mcspi4_resources,
 218         .dev            = {
 219                 .platform_data = &omap2_mcspi4_config,
 220         },
 221 };
 222 #endif
 223
 224 static void omap_init_mcspi(void)
 225 {
 226         platform_device_register(&omap2_mcspi1);
 227         platform_device_register(&omap2_mcspi2);
 228 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
 229         platform_device_register(&omap2_mcspi3);
 230 #endif
 231 #ifdef CONFIG_ARCH_OMAP3
 232         platform_device_register(&omap2_mcspi4);
 233 #endif
 234 }
 235
 236 #else
 237 static inline void omap_init_mcspi(void) {}
 238 #endif
 239
 240 #ifdef CONFIG_SND_OMAP24XX_EAC
 241
 242 #define OMAP2_EAC_BASE                  0x48090000
 243
 244 static struct resource omap2_eac_resources[] = {
 245         {
 246                 .start          = OMAP2_EAC_BASE,
 247                 .end            = OMAP2_EAC_BASE + 0x109,
 248                 .flags          = IORESOURCE_MEM,
 249         },
 250 };
 251
 252 static struct platform_device omap2_eac_device = {
 253         .name           = "omap24xx-eac",
 254         .id             = -1,
 255         .num_resources  = ARRAY_SIZE(omap2_eac_resources),
 256         .resource       = omap2_eac_resources,
 257         .dev = {
 258                 .platform_data = NULL,
 259         },
 260 };
 261
 262 void omap_init_eac(struct eac_platform_data *pdata)
 263 {
 264         omap2_eac_device.dev.platform_data = pdata;
 265         platform_device_register(&omap2_eac_device);
 266 }
 267
 268 #else
 269 void omap_init_eac(struct eac_platform_data *pdata) {}
 270 #endif
 271
 272 #ifdef CONFIG_OMAP_SHA1_MD5
 273 static struct resource sha1_md5_resources[] = {
 274         {
 275                 .start  = OMAP24XX_SEC_SHA1MD5_BASE,
 276                 .end    = OMAP24XX_SEC_SHA1MD5_BASE + 0x64,
 277                 .flags  = IORESOURCE_MEM,
 278         },
 279         {
 280                 .start  = INT_24XX_SHA1MD5,
 281                 .flags  = IORESOURCE_IRQ,
 282         }
 283 };
 284
 285 static struct platform_device sha1_md5_device = {
 286         .name           = "OMAP SHA1/MD5",
 287         .id             = -1,
 288         .num_resources  = ARRAY_SIZE(sha1_md5_resources),
 289         .resource       = sha1_md5_resources,
 290 };
 291
 292 static void omap_init_sha1_md5(void)
 293 {
 294         platform_device_register(&sha1_md5_device);
 295 }
 296 #else
 297 static inline void omap_init_sha1_md5(void) { }
 298 #endif
 299
 300 /*-------------------------------------------------------------------------*/
 301
 302 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
 303         defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
 304
 305 static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
 306                         int controller_nr)
 307 {
 308         if (cpu_is_omap2420() && controller_nr == 0) {
 309                 omap_cfg_reg(H18_24XX_MMC_CMD);
 310                 omap_cfg_reg(H15_24XX_MMC_CLKI);
 311                 omap_cfg_reg(G19_24XX_MMC_CLKO);
 312                 omap_cfg_reg(F20_24XX_MMC_DAT0);
 313                 omap_cfg_reg(F19_24XX_MMC_DAT_DIR0);
 314                 omap_cfg_reg(G18_24XX_MMC_CMD_DIR);
 315                 if (mmc_controller->slots[0].wires == 4) {
 316                         omap_cfg_reg(H14_24XX_MMC_DAT1);
 317                         omap_cfg_reg(E19_24XX_MMC_DAT2);
 318                         omap_cfg_reg(D19_24XX_MMC_DAT3);
 319                         omap_cfg_reg(E20_24XX_MMC_DAT_DIR1);
 320                         omap_cfg_reg(F18_24XX_MMC_DAT_DIR2);
 321                         omap_cfg_reg(E18_24XX_MMC_DAT_DIR3);
 322                 }
 323
 324                 /*
 325                  * Use internal loop-back in MMC/SDIO Module Input Clock
 326                  * selection
 327                  */
 328                 if (mmc_controller->slots[0].internal_clock) {
 329                         u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
 330                         v |= (1 << 24);
 331                         omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
 332                 }
 333         }
 334 }
 335
 336 void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
 337                         int nr_controllers)
 338 {
 339         int i;
 340
 341         for (i = 0; i < nr_controllers; i++) {
 342                 unsigned long base, size;
 343                 unsigned int irq = 0;
 344
 345                 if (!mmc_data[i])
 346                         continue;
 347
 348                 omap2_mmc_mux(mmc_data[i], i);
 349
 350                 switch (i) {
 351                 case 0:
 352                         base = OMAP2_MMC1_BASE;
 353                         irq = INT_24XX_MMC_IRQ;
 354                         break;
 355                 case 1:
 356                         base = OMAP2_MMC2_BASE;
 357                         irq = INT_24XX_MMC2_IRQ;
 358                         break;
 359                 case 2:
 360                         if (!cpu_is_omap34xx())
 361                                 return;
 362                         base = OMAP3_MMC3_BASE;
 363                         irq = INT_34XX_MMC3_IRQ;
 364                         break;
 365                 default:
 366                         continue;
 367                 }
 368
 369                 if (cpu_is_omap2420())
 370                         size = OMAP2420_MMC_SIZE;
 371                 else
 372                         size = HSMMC_SIZE;
 373
 374                 omap_mmc_add(i, base, size, irq, mmc_data[i]);
 375         };
 376 }
 377
 378 #endif
 379
 380 /*-------------------------------------------------------------------------*/
 381
 382 #if defined(CONFIG_HDQ_MASTER_OMAP) || defined(CONFIG_HDQ_MASTER_OMAP_MODULE)
 383 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3430)
 384 #define OMAP_HDQ_BASE   0x480B2000
 385 #endif
 386 static struct resource omap_hdq_resources[] = {
 387         {
 388                 .start          = OMAP_HDQ_BASE,
 389                 .end            = OMAP_HDQ_BASE + 0x1C,
 390                 .flags          = IORESOURCE_MEM,
 391         },
 392         {
 393                 .start          = INT_24XX_HDQ_IRQ,
 394                 .flags          = IORESOURCE_IRQ,
 395         },
 396 };
 397 static struct platform_device omap_hdq_dev = {
 398         .name = "omap_hdq",
 399         .id = 0,
 400         .dev = {
 401                 .platform_data = NULL,
 402         },
 403         .num_resources  = ARRAY_SIZE(omap_hdq_resources),
 404         .resource       = omap_hdq_resources,
 405 };
 406 static inline void omap_hdq_init(void)
 407 {
 408         (void) platform_device_register(&omap_hdq_dev);
 409 }
 410 #else
 411 static inline void omap_hdq_init(void) {}
 412 #endif
 413
 414 /*-------------------------------------------------------------------------*/
 415
 416 static int __init omap2_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          */
 421         omap_init_mbox();
 422         omap_init_mcspi();
 423         omap_hdq_init();
 424         omap_init_sti();
 425         omap_init_sha1_md5();
 426
 427         return 0;
 428 }
 429 arch_initcall(omap2_init_devices);