arch/arm/mach-davinci/dm644x.c

   1 /*
   2  * TI DaVinci DM644x chip specific setup
   3  *
   4  * Author: Kevin Hilman, Deep Root Systems, LLC
   5  *
   6  * 2007 (c) Deep Root Systems, LLC. This file is licensed under
   7  * the terms of the GNU General Public License version 2. This program
   8  * is licensed "as is" without any warranty of any kind, whether express
   9  * or implied.
  10  */
  11
  12 #include <linux/clk-provider.h>
  13 #include <linux/clk/davinci.h>
  14 #include <linux/clkdev.h>
  15 #include <linux/dmaengine.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_data/edma.h>
  18 #include <linux/platform_data/gpio-davinci.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/serial_8250.h>
  21
  22 #include <asm/mach/map.h>
  23
  24 #include <mach/common.h>
  25 #include <mach/cputype.h>
  26 #include <mach/irqs.h>
  27 #include <mach/mux.h>
  28 #include <mach/serial.h>
  29 #include <mach/time.h>
  30
  31 #include "asp.h"
  32 #include "davinci.h"
  33 #include "mux.h"
  34
  35 /*
  36  * Device specific clocks
  37  */
  38 #define DM644X_REF_FREQ         27000000
  39
  40 #define DM644X_EMAC_BASE                0x01c80000
  41 #define DM644X_EMAC_MDIO_BASE           (DM644X_EMAC_BASE + 0x4000)
  42 #define DM644X_EMAC_CNTRL_OFFSET        0x0000
  43 #define DM644X_EMAC_CNTRL_MOD_OFFSET    0x1000
  44 #define DM644X_EMAC_CNTRL_RAM_OFFSET    0x2000
  45 #define DM644X_EMAC_CNTRL_RAM_SIZE      0x2000
  46
  47 static struct emac_platform_data dm644x_emac_pdata = {
  48         .ctrl_reg_offset        = DM644X_EMAC_CNTRL_OFFSET,
  49         .ctrl_mod_reg_offset    = DM644X_EMAC_CNTRL_MOD_OFFSET,
  50         .ctrl_ram_offset        = DM644X_EMAC_CNTRL_RAM_OFFSET,
  51         .ctrl_ram_size          = DM644X_EMAC_CNTRL_RAM_SIZE,
  52         .version                = EMAC_VERSION_1,
  53 };
  54
  55 static struct resource dm644x_emac_resources[] = {
  56         {
  57                 .start  = DM644X_EMAC_BASE,
  58                 .end    = DM644X_EMAC_BASE + SZ_16K - 1,
  59                 .flags  = IORESOURCE_MEM,
  60         },
  61         {
  62                 .start = IRQ_EMACINT,
  63                 .end   = IRQ_EMACINT,
  64                 .flags = IORESOURCE_IRQ,
  65         },
  66 };
  67
  68 static struct platform_device dm644x_emac_device = {
  69        .name            = "davinci_emac",
  70        .id              = 1,
  71        .dev = {
  72                .platform_data   = &dm644x_emac_pdata,
  73        },
  74        .num_resources   = ARRAY_SIZE(dm644x_emac_resources),
  75        .resource        = dm644x_emac_resources,
  76 };
  77
  78 static struct resource dm644x_mdio_resources[] = {
  79         {
  80                 .start  = DM644X_EMAC_MDIO_BASE,
  81                 .end    = DM644X_EMAC_MDIO_BASE + SZ_4K - 1,
  82                 .flags  = IORESOURCE_MEM,
  83         },
  84 };
  85
  86 static struct platform_device dm644x_mdio_device = {
  87         .name           = "davinci_mdio",
  88         .id             = 0,
  89         .num_resources  = ARRAY_SIZE(dm644x_mdio_resources),
  90         .resource       = dm644x_mdio_resources,
  91 };
  92
  93 /*
  94  * Device specific mux setup
  95  *
  96  *      soc     description     mux  mode   mode  mux    dbg
  97  *                              reg  offset mask  mode
  98  */
  99 static const struct mux_config dm644x_pins[] = {
 100 #ifdef CONFIG_DAVINCI_MUX
 101 MUX_CFG(DM644X, HDIREN,         0,   16,    1,    1,     true)
 102 MUX_CFG(DM644X, ATAEN,          0,   17,    1,    1,     true)
 103 MUX_CFG(DM644X, ATAEN_DISABLE,  0,   17,    1,    0,     true)
 104
 105 MUX_CFG(DM644X, HPIEN_DISABLE,  0,   29,    1,    0,     true)
 106
 107 MUX_CFG(DM644X, AEAW,           0,   0,     31,   31,    true)
 108 MUX_CFG(DM644X, AEAW0,          0,   0,     1,    0,     true)
 109 MUX_CFG(DM644X, AEAW1,          0,   1,     1,    0,     true)
 110 MUX_CFG(DM644X, AEAW2,          0,   2,     1,    0,     true)
 111 MUX_CFG(DM644X, AEAW3,          0,   3,     1,    0,     true)
 112 MUX_CFG(DM644X, AEAW4,          0,   4,     1,    0,     true)
 113
 114 MUX_CFG(DM644X, MSTK,           1,   9,     1,    0,     false)
 115
 116 MUX_CFG(DM644X, I2C,            1,   7,     1,    1,     false)
 117
 118 MUX_CFG(DM644X, MCBSP,          1,   10,    1,    1,     false)
 119
 120 MUX_CFG(DM644X, UART1,          1,   1,     1,    1,     true)
 121 MUX_CFG(DM644X, UART2,          1,   2,     1,    1,     true)
 122
 123 MUX_CFG(DM644X, PWM0,           1,   4,     1,    1,     false)
 124
 125 MUX_CFG(DM644X, PWM1,           1,   5,     1,    1,     false)
 126
 127 MUX_CFG(DM644X, PWM2,           1,   6,     1,    1,     false)
 128
 129 MUX_CFG(DM644X, VLYNQEN,        0,   15,    1,    1,     false)
 130 MUX_CFG(DM644X, VLSCREN,        0,   14,    1,    1,     false)
 131 MUX_CFG(DM644X, VLYNQWD,        0,   12,    3,    3,     false)
 132
 133 MUX_CFG(DM644X, EMACEN,         0,   31,    1,    1,     true)
 134
 135 MUX_CFG(DM644X, GPIO3V,         0,   31,    1,    0,     true)
 136
 137 MUX_CFG(DM644X, GPIO0,          0,   24,    1,    0,     true)
 138 MUX_CFG(DM644X, GPIO3,          0,   25,    1,    0,     false)
 139 MUX_CFG(DM644X, GPIO43_44,      1,   7,     1,    0,     false)
 140 MUX_CFG(DM644X, GPIO46_47,      0,   22,    1,    0,     true)
 141
 142 MUX_CFG(DM644X, RGB666,         0,   22,    1,    1,     true)
 143
 144 MUX_CFG(DM644X, LOEEN,          0,   24,    1,    1,     true)
 145 MUX_CFG(DM644X, LFLDEN,         0,   25,    1,    1,     false)
 146 #endif
 147 };
 148
 149 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
 150 static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 151         [IRQ_VDINT0]            = 2,
 152         [IRQ_VDINT1]            = 6,
 153         [IRQ_VDINT2]            = 6,
 154         [IRQ_HISTINT]           = 6,
 155         [IRQ_H3AINT]            = 6,
 156         [IRQ_PRVUINT]           = 6,
 157         [IRQ_RSZINT]            = 6,
 158         [7]                     = 7,
 159         [IRQ_VENCINT]           = 6,
 160         [IRQ_ASQINT]            = 6,
 161         [IRQ_IMXINT]            = 6,
 162         [IRQ_VLCDINT]           = 6,
 163         [IRQ_USBINT]            = 4,
 164         [IRQ_EMACINT]           = 4,
 165         [14]                    = 7,
 166         [15]                    = 7,
 167         [IRQ_CCINT0]            = 5,    /* dma */
 168         [IRQ_CCERRINT]          = 5,    /* dma */
 169         [IRQ_TCERRINT0]         = 5,    /* dma */
 170         [IRQ_TCERRINT]          = 5,    /* dma */
 171         [IRQ_PSCIN]             = 7,
 172         [21]                    = 7,
 173         [IRQ_IDE]               = 4,
 174         [23]                    = 7,
 175         [IRQ_MBXINT]            = 7,
 176         [IRQ_MBRINT]            = 7,
 177         [IRQ_MMCINT]            = 7,
 178         [IRQ_SDIOINT]           = 7,
 179         [28]                    = 7,
 180         [IRQ_DDRINT]            = 7,
 181         [IRQ_AEMIFINT]          = 7,
 182         [IRQ_VLQINT]            = 4,
 183         [IRQ_TINT0_TINT12]      = 2,    /* clockevent */
 184         [IRQ_TINT0_TINT34]      = 2,    /* clocksource */
 185         [IRQ_TINT1_TINT12]      = 7,    /* DSP timer */
 186         [IRQ_TINT1_TINT34]      = 7,    /* system tick */
 187         [IRQ_PWMINT0]           = 7,
 188         [IRQ_PWMINT1]           = 7,
 189         [IRQ_PWMINT2]           = 7,
 190         [IRQ_I2C]               = 3,
 191         [IRQ_UARTINT0]          = 3,
 192         [IRQ_UARTINT1]          = 3,
 193         [IRQ_UARTINT2]          = 3,
 194         [IRQ_SPINT0]            = 3,
 195         [IRQ_SPINT1]            = 3,
 196         [45]                    = 7,
 197         [IRQ_DSP2ARM0]          = 4,
 198         [IRQ_DSP2ARM1]          = 4,
 199         [IRQ_GPIO0]             = 7,
 200         [IRQ_GPIO1]             = 7,
 201         [IRQ_GPIO2]             = 7,
 202         [IRQ_GPIO3]             = 7,
 203         [IRQ_GPIO4]             = 7,
 204         [IRQ_GPIO5]             = 7,
 205         [IRQ_GPIO6]             = 7,
 206         [IRQ_GPIO7]             = 7,
 207         [IRQ_GPIOBNK0]          = 7,
 208         [IRQ_GPIOBNK1]          = 7,
 209         [IRQ_GPIOBNK2]          = 7,
 210         [IRQ_GPIOBNK3]          = 7,
 211         [IRQ_GPIOBNK4]          = 7,
 212         [IRQ_COMMTX]            = 7,
 213         [IRQ_COMMRX]            = 7,
 214         [IRQ_EMUINT]            = 7,
 215 };
 216
 217 /*----------------------------------------------------------------------*/
 218
 219 static s8 queue_priority_mapping[][2] = {
 220         /* {event queue no, Priority} */
 221         {0, 3},
 222         {1, 7},
 223         {-1, -1},
 224 };
 225
 226 static const struct dma_slave_map dm644x_edma_map[] = {
 227         { "davinci-mcbsp", "tx", EDMA_FILTER_PARAM(0, 2) },
 228         { "davinci-mcbsp", "rx", EDMA_FILTER_PARAM(0, 3) },
 229         { "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },
 230         { "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },
 231         { "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) },
 232         { "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) },
 233 };
 234
 235 static struct edma_soc_info dm644x_edma_pdata = {
 236         .queue_priority_mapping = queue_priority_mapping,
 237         .default_queue          = EVENTQ_1,
 238         .slave_map              = dm644x_edma_map,
 239         .slavecnt               = ARRAY_SIZE(dm644x_edma_map),
 240 };
 241
 242 static struct resource edma_resources[] = {
 243         {
 244                 .name   = "edma3_cc",
 245                 .start  = 0x01c00000,
 246                 .end    = 0x01c00000 + SZ_64K - 1,
 247                 .flags  = IORESOURCE_MEM,
 248         },
 249         {
 250                 .name   = "edma3_tc0",
 251                 .start  = 0x01c10000,
 252                 .end    = 0x01c10000 + SZ_1K - 1,
 253                 .flags  = IORESOURCE_MEM,
 254         },
 255         {
 256                 .name   = "edma3_tc1",
 257                 .start  = 0x01c10400,
 258                 .end    = 0x01c10400 + SZ_1K - 1,
 259                 .flags  = IORESOURCE_MEM,
 260         },
 261         {
 262                 .name   = "edma3_ccint",
 263                 .start  = IRQ_CCINT0,
 264                 .flags  = IORESOURCE_IRQ,
 265         },
 266         {
 267                 .name   = "edma3_ccerrint",
 268                 .start  = IRQ_CCERRINT,
 269                 .flags  = IORESOURCE_IRQ,
 270         },
 271         /* not using TC*_ERR */
 272 };
 273
 274 static const struct platform_device_info dm644x_edma_device __initconst = {
 275         .name           = "edma",
 276         .id             = 0,
 277         .dma_mask       = DMA_BIT_MASK(32),
 278         .res            = edma_resources,
 279         .num_res        = ARRAY_SIZE(edma_resources),
 280         .data           = &dm644x_edma_pdata,
 281         .size_data      = sizeof(dm644x_edma_pdata),
 282 };
 283
 284 /* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
 285 static struct resource dm644x_asp_resources[] = {
 286         {
 287                 .name   = "mpu",
 288                 .start  = DAVINCI_ASP0_BASE,
 289                 .end    = DAVINCI_ASP0_BASE + SZ_8K - 1,
 290                 .flags  = IORESOURCE_MEM,
 291         },
 292         {
 293                 .start  = DAVINCI_DMA_ASP0_TX,
 294                 .end    = DAVINCI_DMA_ASP0_TX,
 295                 .flags  = IORESOURCE_DMA,
 296         },
 297         {
 298                 .start  = DAVINCI_DMA_ASP0_RX,
 299                 .end    = DAVINCI_DMA_ASP0_RX,
 300                 .flags  = IORESOURCE_DMA,
 301         },
 302 };
 303
 304 static struct platform_device dm644x_asp_device = {
 305         .name           = "davinci-mcbsp",
 306         .id             = -1,
 307         .num_resources  = ARRAY_SIZE(dm644x_asp_resources),
 308         .resource       = dm644x_asp_resources,
 309 };
 310
 311 #define DM644X_VPSS_BASE        0x01c73400
 312
 313 static struct resource dm644x_vpss_resources[] = {
 314         {
 315                 /* VPSS Base address */
 316                 .name           = "vpss",
 317                 .start          = DM644X_VPSS_BASE,
 318                 .end            = DM644X_VPSS_BASE + 0xff,
 319                 .flags          = IORESOURCE_MEM,
 320         },
 321 };
 322
 323 static struct platform_device dm644x_vpss_device = {
 324         .name                   = "vpss",
 325         .id                     = -1,
 326         .dev.platform_data      = "dm644x_vpss",
 327         .num_resources          = ARRAY_SIZE(dm644x_vpss_resources),
 328         .resource               = dm644x_vpss_resources,
 329 };
 330
 331 static struct resource dm644x_vpfe_resources[] = {
 332         {
 333                 .start          = IRQ_VDINT0,
 334                 .end            = IRQ_VDINT0,
 335                 .flags          = IORESOURCE_IRQ,
 336         },
 337         {
 338                 .start          = IRQ_VDINT1,
 339                 .end            = IRQ_VDINT1,
 340                 .flags          = IORESOURCE_IRQ,
 341         },
 342 };
 343
 344 static u64 dm644x_video_dma_mask = DMA_BIT_MASK(32);
 345 static struct resource dm644x_ccdc_resource[] = {
 346         /* CCDC Base address */
 347         {
 348                 .start          = 0x01c70400,
 349                 .end            = 0x01c70400 + 0xff,
 350                 .flags          = IORESOURCE_MEM,
 351         },
 352 };
 353
 354 static struct platform_device dm644x_ccdc_dev = {
 355         .name           = "dm644x_ccdc",
 356         .id             = -1,
 357         .num_resources  = ARRAY_SIZE(dm644x_ccdc_resource),
 358         .resource       = dm644x_ccdc_resource,
 359         .dev = {
 360                 .dma_mask               = &dm644x_video_dma_mask,
 361                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 362         },
 363 };
 364
 365 static struct platform_device dm644x_vpfe_dev = {
 366         .name           = CAPTURE_DRV_NAME,
 367         .id             = -1,
 368         .num_resources  = ARRAY_SIZE(dm644x_vpfe_resources),
 369         .resource       = dm644x_vpfe_resources,
 370         .dev = {
 371                 .dma_mask               = &dm644x_video_dma_mask,
 372                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 373         },
 374 };
 375
 376 #define DM644X_OSD_BASE         0x01c72600
 377
 378 static struct resource dm644x_osd_resources[] = {
 379         {
 380                 .start  = DM644X_OSD_BASE,
 381                 .end    = DM644X_OSD_BASE + 0x1ff,
 382                 .flags  = IORESOURCE_MEM,
 383         },
 384 };
 385
 386 static struct platform_device dm644x_osd_dev = {
 387         .name           = DM644X_VPBE_OSD_SUBDEV_NAME,
 388         .id             = -1,
 389         .num_resources  = ARRAY_SIZE(dm644x_osd_resources),
 390         .resource       = dm644x_osd_resources,
 391         .dev            = {
 392                 .dma_mask               = &dm644x_video_dma_mask,
 393                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 394         },
 395 };
 396
 397 #define DM644X_VENC_BASE                0x01c72400
 398
 399 static struct resource dm644x_venc_resources[] = {
 400         {
 401                 .start  = DM644X_VENC_BASE,
 402                 .end    = DM644X_VENC_BASE + 0x17f,
 403                 .flags  = IORESOURCE_MEM,
 404         },
 405 };
 406
 407 #define DM644X_VPSS_MUXSEL_PLL2_MODE          BIT(0)
 408 #define DM644X_VPSS_MUXSEL_VPBECLK_MODE       BIT(1)
 409 #define DM644X_VPSS_VENCLKEN                  BIT(3)
 410 #define DM644X_VPSS_DACCLKEN                  BIT(4)
 411
 412 static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type,
 413                                    unsigned int pclock)
 414 {
 415         int ret = 0;
 416         u32 v = DM644X_VPSS_VENCLKEN;
 417
 418         switch (type) {
 419         case VPBE_ENC_STD:
 420                 v |= DM644X_VPSS_DACCLKEN;
 421                 writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 422                 break;
 423         case VPBE_ENC_DV_TIMINGS:
 424                 if (pclock <= 27000000) {
 425                         v |= DM644X_VPSS_DACCLKEN;
 426                         writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 427                 } else {
 428                         /*
 429                          * For HD, use external clock source since
 430                          * HD requires higher clock rate
 431                          */
 432                         v |= DM644X_VPSS_MUXSEL_VPBECLK_MODE;
 433                         writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 434                 }
 435                 break;
 436         default:
 437                 ret  = -EINVAL;
 438         }
 439
 440         return ret;
 441 }
 442
 443 static struct resource dm644x_v4l2_disp_resources[] = {
 444         {
 445                 .start  = IRQ_VENCINT,
 446                 .end    = IRQ_VENCINT,
 447                 .flags  = IORESOURCE_IRQ,
 448         },
 449 };
 450
 451 static struct platform_device dm644x_vpbe_display = {
 452         .name           = "vpbe-v4l2",
 453         .id             = -1,
 454         .num_resources  = ARRAY_SIZE(dm644x_v4l2_disp_resources),
 455         .resource       = dm644x_v4l2_disp_resources,
 456         .dev            = {
 457                 .dma_mask               = &dm644x_video_dma_mask,
 458                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 459         },
 460 };
 461
 462 static struct venc_platform_data dm644x_venc_pdata = {
 463         .setup_clock    = dm644x_venc_setup_clock,
 464 };
 465
 466 static struct platform_device dm644x_venc_dev = {
 467         .name           = DM644X_VPBE_VENC_SUBDEV_NAME,
 468         .id             = -1,
 469         .num_resources  = ARRAY_SIZE(dm644x_venc_resources),
 470         .resource       = dm644x_venc_resources,
 471         .dev            = {
 472                 .dma_mask               = &dm644x_video_dma_mask,
 473                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 474                 .platform_data          = &dm644x_venc_pdata,
 475         },
 476 };
 477
 478 static struct platform_device dm644x_vpbe_dev = {
 479         .name           = "vpbe_controller",
 480         .id             = -1,
 481         .dev            = {
 482                 .dma_mask               = &dm644x_video_dma_mask,
 483                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 484         },
 485 };
 486
 487 static struct resource dm644_gpio_resources[] = {
 488         {       /* registers */
 489                 .start  = DAVINCI_GPIO_BASE,
 490                 .end    = DAVINCI_GPIO_BASE + SZ_4K - 1,
 491                 .flags  = IORESOURCE_MEM,
 492         },
 493         {       /* interrupt */
 494                 .start  = IRQ_GPIOBNK0,
 495                 .end    = IRQ_GPIOBNK0,
 496                 .flags  = IORESOURCE_IRQ,
 497         },
 498         {
 499                 .start  = IRQ_GPIOBNK1,
 500                 .end    = IRQ_GPIOBNK1,
 501                 .flags  = IORESOURCE_IRQ,
 502         },
 503         {
 504                 .start  = IRQ_GPIOBNK2,
 505                 .end    = IRQ_GPIOBNK2,
 506                 .flags  = IORESOURCE_IRQ,
 507         },
 508         {
 509                 .start  = IRQ_GPIOBNK3,
 510                 .end    = IRQ_GPIOBNK3,
 511                 .flags  = IORESOURCE_IRQ,
 512         },
 513         {
 514                 .start  = IRQ_GPIOBNK4,
 515                 .end    = IRQ_GPIOBNK4,
 516                 .flags  = IORESOURCE_IRQ,
 517         },
 518 };
 519
 520 static struct davinci_gpio_platform_data dm644_gpio_platform_data = {
 521         .no_auto_base   = true,
 522         .base           = 0,
 523         .ngpio          = 71,
 524 };
 525
 526 int __init dm644x_gpio_register(void)
 527 {
 528         return davinci_gpio_register(dm644_gpio_resources,
 529                                      ARRAY_SIZE(dm644_gpio_resources),
 530                                      &dm644_gpio_platform_data);
 531 }
 532 /*----------------------------------------------------------------------*/
 533
 534 static struct map_desc dm644x_io_desc[] = {
 535         {
 536                 .virtual        = IO_VIRT,
 537                 .pfn            = __phys_to_pfn(IO_PHYS),
 538                 .length         = IO_SIZE,
 539                 .type           = MT_DEVICE
 540         },
 541 };
 542
 543 /* Contents of JTAG ID register used to identify exact cpu type */
 544 static struct davinci_id dm644x_ids[] = {
 545         {
 546                 .variant        = 0x0,
 547                 .part_no        = 0xb700,
 548                 .manufacturer   = 0x017,
 549                 .cpu_id         = DAVINCI_CPU_ID_DM6446,
 550                 .name           = "dm6446",
 551         },
 552         {
 553                 .variant        = 0x1,
 554                 .part_no        = 0xb700,
 555                 .manufacturer   = 0x017,
 556                 .cpu_id         = DAVINCI_CPU_ID_DM6446,
 557                 .name           = "dm6446a",
 558         },
 559 };
 560
 561 /*
 562  * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
 563  * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
 564  * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
 565  * T1_TOP: Timer 1, top   :  <unused>
 566  */
 567 static struct davinci_timer_info dm644x_timer_info = {
 568         .timers         = davinci_timer_instance,
 569         .clockevent_id  = T0_BOT,
 570         .clocksource_id = T0_TOP,
 571 };
 572
 573 static struct plat_serial8250_port dm644x_serial0_platform_data[] = {
 574         {
 575                 .mapbase        = DAVINCI_UART0_BASE,
 576                 .irq            = IRQ_UARTINT0,
 577                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 578                                   UPF_IOREMAP,
 579                 .iotype         = UPIO_MEM,
 580                 .regshift       = 2,
 581         },
 582         {
 583                 .flags  = 0,
 584         }
 585 };
 586 static struct plat_serial8250_port dm644x_serial1_platform_data[] = {
 587         {
 588                 .mapbase        = DAVINCI_UART1_BASE,
 589                 .irq            = IRQ_UARTINT1,
 590                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 591                                   UPF_IOREMAP,
 592                 .iotype         = UPIO_MEM,
 593                 .regshift       = 2,
 594         },
 595         {
 596                 .flags  = 0,
 597         }
 598 };
 599 static struct plat_serial8250_port dm644x_serial2_platform_data[] = {
 600         {
 601                 .mapbase        = DAVINCI_UART2_BASE,
 602                 .irq            = IRQ_UARTINT2,
 603                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 604                                   UPF_IOREMAP,
 605                 .iotype         = UPIO_MEM,
 606                 .regshift       = 2,
 607         },
 608         {
 609                 .flags  = 0,
 610         }
 611 };
 612
 613 struct platform_device dm644x_serial_device[] = {
 614         {
 615                 .name                   = "serial8250",
 616                 .id                     = PLAT8250_DEV_PLATFORM,
 617                 .dev                    = {
 618                         .platform_data  = dm644x_serial0_platform_data,
 619                 }
 620         },
 621         {
 622                 .name                   = "serial8250",
 623                 .id                     = PLAT8250_DEV_PLATFORM1,
 624                 .dev                    = {
 625                         .platform_data  = dm644x_serial1_platform_data,
 626                 }
 627         },
 628         {
 629                 .name                   = "serial8250",
 630                 .id                     = PLAT8250_DEV_PLATFORM2,
 631                 .dev                    = {
 632                         .platform_data  = dm644x_serial2_platform_data,
 633                 }
 634         },
 635         {
 636         }
 637 };
 638
 639 static const struct davinci_soc_info davinci_soc_info_dm644x = {
 640         .io_desc                = dm644x_io_desc,
 641         .io_desc_num            = ARRAY_SIZE(dm644x_io_desc),
 642         .jtag_id_reg            = 0x01c40028,
 643         .ids                    = dm644x_ids,
 644         .ids_num                = ARRAY_SIZE(dm644x_ids),
 645         .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
 646         .pinmux_pins            = dm644x_pins,
 647         .pinmux_pins_num        = ARRAY_SIZE(dm644x_pins),
 648         .intc_base              = DAVINCI_ARM_INTC_BASE,
 649         .intc_type              = DAVINCI_INTC_TYPE_AINTC,
 650         .intc_irq_prios         = dm644x_default_priorities,
 651         .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
 652         .timer_info             = &dm644x_timer_info,
 653         .emac_pdata             = &dm644x_emac_pdata,
 654         .sram_dma               = 0x00008000,
 655         .sram_len               = SZ_16K,
 656 };
 657
 658 void __init dm644x_init_asp(void)
 659 {
 660         davinci_cfg_reg(DM644X_MCBSP);
 661         platform_device_register(&dm644x_asp_device);
 662 }
 663
 664 void __init dm644x_init(void)
 665 {
 666         davinci_common_init(&davinci_soc_info_dm644x);
 667         davinci_map_sysmod();
 668 }
 669
 670 void __init dm644x_init_time(void)
 671 {
 672         void __iomem *pll1, *psc;
 673         struct clk *clk;
 674
 675         clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DM644X_REF_FREQ);
 676
 677         pll1 = ioremap(DAVINCI_PLL1_BASE, SZ_1K);
 678         dm644x_pll1_init(NULL, pll1, NULL);
 679
 680         psc = ioremap(DAVINCI_PWR_SLEEP_CNTRL_BASE, SZ_4K);
 681         dm644x_psc_init(NULL, psc);
 682
 683         clk = clk_get(NULL, "timer0");
 684
 685         davinci_timer_init(clk);
 686 }
 687
 688 static struct resource dm644x_pll2_resources[] = {
 689         {
 690                 .start  = DAVINCI_PLL2_BASE,
 691                 .end    = DAVINCI_PLL2_BASE + SZ_1K - 1,
 692                 .flags  = IORESOURCE_MEM,
 693         },
 694 };
 695
 696 static struct platform_device dm644x_pll2_device = {
 697         .name           = "dm644x-pll2",
 698         .id             = -1,
 699         .resource       = dm644x_pll2_resources,
 700         .num_resources  = ARRAY_SIZE(dm644x_pll2_resources),
 701 };
 702
 703 void __init dm644x_register_clocks(void)
 704 {
 705         /* PLL1 and PSC are registered in dm644x_init_time() */
 706         platform_device_register(&dm644x_pll2_device);
 707 }
 708
 709 int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,
 710                                 struct vpbe_config *vpbe_cfg)
 711 {
 712         if (vpfe_cfg || vpbe_cfg)
 713                 platform_device_register(&dm644x_vpss_device);
 714
 715         if (vpfe_cfg) {
 716                 dm644x_vpfe_dev.dev.platform_data = vpfe_cfg;
 717                 platform_device_register(&dm644x_ccdc_dev);
 718                 platform_device_register(&dm644x_vpfe_dev);
 719         }
 720
 721         if (vpbe_cfg) {
 722                 dm644x_vpbe_dev.dev.platform_data = vpbe_cfg;
 723                 platform_device_register(&dm644x_osd_dev);
 724                 platform_device_register(&dm644x_venc_dev);
 725                 platform_device_register(&dm644x_vpbe_dev);
 726                 platform_device_register(&dm644x_vpbe_display);
 727         }
 728
 729         return 0;
 730 }
 731
 732 void __init dm644x_init_devices(void)
 733 {
 734         struct platform_device *edma_pdev;
 735         int ret;
 736
 737         edma_pdev = platform_device_register_full(&dm644x_edma_device);
 738         if (IS_ERR(edma_pdev))
 739                 pr_warn("%s: Failed to register eDMA\n", __func__);
 740
 741         platform_device_register(&dm644x_mdio_device);
 742         platform_device_register(&dm644x_emac_device);
 743
 744         ret = davinci_init_wdt();
 745         if (ret)
 746                 pr_warn("%s: watchdog init failed: %d\n", __func__, ret);
 747
 748 }