arch/arm/mach-davinci/dm355.c

   1 /*
   2  * TI DaVinci DM355 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/dma-mapping.h>
  16 #include <linux/dmaengine.h>
  17 #include <linux/init.h>
  18 #include <linux/platform_data/edma.h>
  19 #include <linux/platform_data/gpio-davinci.h>
  20 #include <linux/platform_data/spi-davinci.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/serial_8250.h>
  23 #include <linux/spi/spi.h>
  24
  25 #include <asm/mach/map.h>
  26
  27 #include <mach/common.h>
  28 #include <mach/cputype.h>
  29 #include <mach/irqs.h>
  30 #include <mach/mux.h>
  31 #include <mach/serial.h>
  32 #include <mach/time.h>
  33
  34 #include "asp.h"
  35 #include "davinci.h"
  36 #include "mux.h"
  37
  38 #define DM355_UART2_BASE        (IO_PHYS + 0x206000)
  39 #define DM355_OSD_BASE          (IO_PHYS + 0x70200)
  40 #define DM355_VENC_BASE         (IO_PHYS + 0x70400)
  41
  42 /*
  43  * Device specific clocks
  44  */
  45 #define DM355_REF_FREQ          24000000        /* 24 or 36 MHz */
  46
  47 static u64 dm355_spi0_dma_mask = DMA_BIT_MASK(32);
  48
  49 static struct resource dm355_spi0_resources[] = {
  50         {
  51                 .start = 0x01c66000,
  52                 .end   = 0x01c667ff,
  53                 .flags = IORESOURCE_MEM,
  54         },
  55         {
  56                 .start = IRQ_DM355_SPINT0_0,
  57                 .flags = IORESOURCE_IRQ,
  58         },
  59 };
  60
  61 static struct davinci_spi_platform_data dm355_spi0_pdata = {
  62         .version        = SPI_VERSION_1,
  63         .num_chipselect = 2,
  64         .cshold_bug     = true,
  65         .dma_event_q    = EVENTQ_1,
  66         .prescaler_limit = 1,
  67 };
  68 static struct platform_device dm355_spi0_device = {
  69         .name = "spi_davinci",
  70         .id = 0,
  71         .dev = {
  72                 .dma_mask = &dm355_spi0_dma_mask,
  73                 .coherent_dma_mask = DMA_BIT_MASK(32),
  74                 .platform_data = &dm355_spi0_pdata,
  75         },
  76         .num_resources = ARRAY_SIZE(dm355_spi0_resources),
  77         .resource = dm355_spi0_resources,
  78 };
  79
  80 void __init dm355_init_spi0(unsigned chipselect_mask,
  81                 const struct spi_board_info *info, unsigned len)
  82 {
  83         /* for now, assume we need MISO */
  84         davinci_cfg_reg(DM355_SPI0_SDI);
  85
  86         /* not all slaves will be wired up */
  87         if (chipselect_mask & BIT(0))
  88                 davinci_cfg_reg(DM355_SPI0_SDENA0);
  89         if (chipselect_mask & BIT(1))
  90                 davinci_cfg_reg(DM355_SPI0_SDENA1);
  91
  92         spi_register_board_info(info, len);
  93
  94         platform_device_register(&dm355_spi0_device);
  95 }
  96
  97 /*----------------------------------------------------------------------*/
  98
  99 #define INTMUX          0x18
 100 #define EVTMUX          0x1c
 101
 102 /*
 103  * Device specific mux setup
 104  *
 105  *      soc     description     mux  mode   mode  mux    dbg
 106  *                              reg  offset mask  mode
 107  */
 108 static const struct mux_config dm355_pins[] = {
 109 #ifdef CONFIG_DAVINCI_MUX
 110 MUX_CFG(DM355,  MMCSD0,         4,   2,     1,    0,     false)
 111
 112 MUX_CFG(DM355,  SD1_CLK,        3,   6,     1,    1,     false)
 113 MUX_CFG(DM355,  SD1_CMD,        3,   7,     1,    1,     false)
 114 MUX_CFG(DM355,  SD1_DATA3,      3,   8,     3,    1,     false)
 115 MUX_CFG(DM355,  SD1_DATA2,      3,   10,    3,    1,     false)
 116 MUX_CFG(DM355,  SD1_DATA1,      3,   12,    3,    1,     false)
 117 MUX_CFG(DM355,  SD1_DATA0,      3,   14,    3,    1,     false)
 118
 119 MUX_CFG(DM355,  I2C_SDA,        3,   19,    1,    1,     false)
 120 MUX_CFG(DM355,  I2C_SCL,        3,   20,    1,    1,     false)
 121
 122 MUX_CFG(DM355,  MCBSP0_BDX,     3,   0,     1,    1,     false)
 123 MUX_CFG(DM355,  MCBSP0_X,       3,   1,     1,    1,     false)
 124 MUX_CFG(DM355,  MCBSP0_BFSX,    3,   2,     1,    1,     false)
 125 MUX_CFG(DM355,  MCBSP0_BDR,     3,   3,     1,    1,     false)
 126 MUX_CFG(DM355,  MCBSP0_R,       3,   4,     1,    1,     false)
 127 MUX_CFG(DM355,  MCBSP0_BFSR,    3,   5,     1,    1,     false)
 128
 129 MUX_CFG(DM355,  SPI0_SDI,       4,   1,     1,    0,     false)
 130 MUX_CFG(DM355,  SPI0_SDENA0,    4,   0,     1,    0,     false)
 131 MUX_CFG(DM355,  SPI0_SDENA1,    3,   28,    1,    1,     false)
 132
 133 INT_CFG(DM355,  INT_EDMA_CC,          2,    1,    1,     false)
 134 INT_CFG(DM355,  INT_EDMA_TC0_ERR,     3,    1,    1,     false)
 135 INT_CFG(DM355,  INT_EDMA_TC1_ERR,     4,    1,    1,     false)
 136
 137 EVT_CFG(DM355,  EVT8_ASP1_TX,         0,    1,    0,     false)
 138 EVT_CFG(DM355,  EVT9_ASP1_RX,         1,    1,    0,     false)
 139 EVT_CFG(DM355,  EVT26_MMC0_RX,        2,    1,    0,     false)
 140
 141 MUX_CFG(DM355,  VOUT_FIELD,     1,   18,    3,    1,     false)
 142 MUX_CFG(DM355,  VOUT_FIELD_G70, 1,   18,    3,    0,     false)
 143 MUX_CFG(DM355,  VOUT_HVSYNC,    1,   16,    1,    0,     false)
 144 MUX_CFG(DM355,  VOUT_COUTL_EN,  1,   0,     0xff, 0x55,  false)
 145 MUX_CFG(DM355,  VOUT_COUTH_EN,  1,   8,     0xff, 0x55,  false)
 146
 147 MUX_CFG(DM355,  VIN_PCLK,       0,   14,    1,    1,     false)
 148 MUX_CFG(DM355,  VIN_CAM_WEN,    0,   13,    1,    1,     false)
 149 MUX_CFG(DM355,  VIN_CAM_VD,     0,   12,    1,    1,     false)
 150 MUX_CFG(DM355,  VIN_CAM_HD,     0,   11,    1,    1,     false)
 151 MUX_CFG(DM355,  VIN_YIN_EN,     0,   10,    1,    1,     false)
 152 MUX_CFG(DM355,  VIN_CINL_EN,    0,   0,   0xff, 0x55,    false)
 153 MUX_CFG(DM355,  VIN_CINH_EN,    0,   8,     3,    3,     false)
 154 #endif
 155 };
 156
 157 static u8 dm355_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 158         [IRQ_DM355_CCDC_VDINT0]         = 2,
 159         [IRQ_DM355_CCDC_VDINT1]         = 6,
 160         [IRQ_DM355_CCDC_VDINT2]         = 6,
 161         [IRQ_DM355_IPIPE_HST]           = 6,
 162         [IRQ_DM355_H3AINT]              = 6,
 163         [IRQ_DM355_IPIPE_SDR]           = 6,
 164         [IRQ_DM355_IPIPEIFINT]          = 6,
 165         [IRQ_DM355_OSDINT]              = 7,
 166         [IRQ_DM355_VENCINT]             = 6,
 167         [IRQ_ASQINT]                    = 6,
 168         [IRQ_IMXINT]                    = 6,
 169         [IRQ_USBINT]                    = 4,
 170         [IRQ_DM355_RTOINT]              = 4,
 171         [IRQ_DM355_UARTINT2]            = 7,
 172         [IRQ_DM355_TINT6]               = 7,
 173         [IRQ_CCINT0]                    = 5,    /* dma */
 174         [IRQ_CCERRINT]                  = 5,    /* dma */
 175         [IRQ_TCERRINT0]                 = 5,    /* dma */
 176         [IRQ_TCERRINT]                  = 5,    /* dma */
 177         [IRQ_DM355_SPINT2_1]            = 7,
 178         [IRQ_DM355_TINT7]               = 4,
 179         [IRQ_DM355_SDIOINT0]            = 7,
 180         [IRQ_MBXINT]                    = 7,
 181         [IRQ_MBRINT]                    = 7,
 182         [IRQ_MMCINT]                    = 7,
 183         [IRQ_DM355_MMCINT1]             = 7,
 184         [IRQ_DM355_PWMINT3]             = 7,
 185         [IRQ_DDRINT]                    = 7,
 186         [IRQ_AEMIFINT]                  = 7,
 187         [IRQ_DM355_SDIOINT1]            = 4,
 188         [IRQ_TINT0_TINT12]              = 2,    /* clockevent */
 189         [IRQ_TINT0_TINT34]              = 2,    /* clocksource */
 190         [IRQ_TINT1_TINT12]              = 7,    /* DSP timer */
 191         [IRQ_TINT1_TINT34]              = 7,    /* system tick */
 192         [IRQ_PWMINT0]                   = 7,
 193         [IRQ_PWMINT1]                   = 7,
 194         [IRQ_PWMINT2]                   = 7,
 195         [IRQ_I2C]                       = 3,
 196         [IRQ_UARTINT0]                  = 3,
 197         [IRQ_UARTINT1]                  = 3,
 198         [IRQ_DM355_SPINT0_0]            = 3,
 199         [IRQ_DM355_SPINT0_1]            = 3,
 200         [IRQ_DM355_GPIO0]               = 3,
 201         [IRQ_DM355_GPIO1]               = 7,
 202         [IRQ_DM355_GPIO2]               = 4,
 203         [IRQ_DM355_GPIO3]               = 4,
 204         [IRQ_DM355_GPIO4]               = 7,
 205         [IRQ_DM355_GPIO5]               = 7,
 206         [IRQ_DM355_GPIO6]               = 7,
 207         [IRQ_DM355_GPIO7]               = 7,
 208         [IRQ_DM355_GPIO8]               = 7,
 209         [IRQ_DM355_GPIO9]               = 7,
 210         [IRQ_DM355_GPIOBNK0]            = 7,
 211         [IRQ_DM355_GPIOBNK1]            = 7,
 212         [IRQ_DM355_GPIOBNK2]            = 7,
 213         [IRQ_DM355_GPIOBNK3]            = 7,
 214         [IRQ_DM355_GPIOBNK4]            = 7,
 215         [IRQ_DM355_GPIOBNK5]            = 7,
 216         [IRQ_DM355_GPIOBNK6]            = 7,
 217         [IRQ_COMMTX]                    = 7,
 218         [IRQ_COMMRX]                    = 7,
 219         [IRQ_EMUINT]                    = 7,
 220 };
 221
 222 /*----------------------------------------------------------------------*/
 223
 224 static s8 queue_priority_mapping[][2] = {
 225         /* {event queue no, Priority} */
 226         {0, 3},
 227         {1, 7},
 228         {-1, -1},
 229 };
 230
 231 static const struct dma_slave_map dm355_edma_map[] = {
 232         { "davinci-mcbsp.0", "tx", EDMA_FILTER_PARAM(0, 2) },
 233         { "davinci-mcbsp.0", "rx", EDMA_FILTER_PARAM(0, 3) },
 234         { "davinci-mcbsp.1", "tx", EDMA_FILTER_PARAM(0, 8) },
 235         { "davinci-mcbsp.1", "rx", EDMA_FILTER_PARAM(0, 9) },
 236         { "spi_davinci.2", "tx", EDMA_FILTER_PARAM(0, 10) },
 237         { "spi_davinci.2", "rx", EDMA_FILTER_PARAM(0, 11) },
 238         { "spi_davinci.1", "tx", EDMA_FILTER_PARAM(0, 14) },
 239         { "spi_davinci.1", "rx", EDMA_FILTER_PARAM(0, 15) },
 240         { "spi_davinci.0", "tx", EDMA_FILTER_PARAM(0, 16) },
 241         { "spi_davinci.0", "rx", EDMA_FILTER_PARAM(0, 17) },
 242         { "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) },
 243         { "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) },
 244         { "dm6441-mmc.1", "rx", EDMA_FILTER_PARAM(0, 30) },
 245         { "dm6441-mmc.1", "tx", EDMA_FILTER_PARAM(0, 31) },
 246 };
 247
 248 static struct edma_soc_info dm355_edma_pdata = {
 249         .queue_priority_mapping = queue_priority_mapping,
 250         .default_queue          = EVENTQ_1,
 251         .slave_map              = dm355_edma_map,
 252         .slavecnt               = ARRAY_SIZE(dm355_edma_map),
 253 };
 254
 255 static struct resource edma_resources[] = {
 256         {
 257                 .name   = "edma3_cc",
 258                 .start  = 0x01c00000,
 259                 .end    = 0x01c00000 + SZ_64K - 1,
 260                 .flags  = IORESOURCE_MEM,
 261         },
 262         {
 263                 .name   = "edma3_tc0",
 264                 .start  = 0x01c10000,
 265                 .end    = 0x01c10000 + SZ_1K - 1,
 266                 .flags  = IORESOURCE_MEM,
 267         },
 268         {
 269                 .name   = "edma3_tc1",
 270                 .start  = 0x01c10400,
 271                 .end    = 0x01c10400 + SZ_1K - 1,
 272                 .flags  = IORESOURCE_MEM,
 273         },
 274         {
 275                 .name   = "edma3_ccint",
 276                 .start  = IRQ_CCINT0,
 277                 .flags  = IORESOURCE_IRQ,
 278         },
 279         {
 280                 .name   = "edma3_ccerrint",
 281                 .start  = IRQ_CCERRINT,
 282                 .flags  = IORESOURCE_IRQ,
 283         },
 284         /* not using (or muxing) TC*_ERR */
 285 };
 286
 287 static const struct platform_device_info dm355_edma_device __initconst = {
 288         .name           = "edma",
 289         .id             = 0,
 290         .dma_mask       = DMA_BIT_MASK(32),
 291         .res            = edma_resources,
 292         .num_res        = ARRAY_SIZE(edma_resources),
 293         .data           = &dm355_edma_pdata,
 294         .size_data      = sizeof(dm355_edma_pdata),
 295 };
 296
 297 static struct resource dm355_asp1_resources[] = {
 298         {
 299                 .name   = "mpu",
 300                 .start  = DAVINCI_ASP1_BASE,
 301                 .end    = DAVINCI_ASP1_BASE + SZ_8K - 1,
 302                 .flags  = IORESOURCE_MEM,
 303         },
 304         {
 305                 .start  = DAVINCI_DMA_ASP1_TX,
 306                 .end    = DAVINCI_DMA_ASP1_TX,
 307                 .flags  = IORESOURCE_DMA,
 308         },
 309         {
 310                 .start  = DAVINCI_DMA_ASP1_RX,
 311                 .end    = DAVINCI_DMA_ASP1_RX,
 312                 .flags  = IORESOURCE_DMA,
 313         },
 314 };
 315
 316 static struct platform_device dm355_asp1_device = {
 317         .name           = "davinci-mcbsp",
 318         .id             = 1,
 319         .num_resources  = ARRAY_SIZE(dm355_asp1_resources),
 320         .resource       = dm355_asp1_resources,
 321 };
 322
 323 static void dm355_ccdc_setup_pinmux(void)
 324 {
 325         davinci_cfg_reg(DM355_VIN_PCLK);
 326         davinci_cfg_reg(DM355_VIN_CAM_WEN);
 327         davinci_cfg_reg(DM355_VIN_CAM_VD);
 328         davinci_cfg_reg(DM355_VIN_CAM_HD);
 329         davinci_cfg_reg(DM355_VIN_YIN_EN);
 330         davinci_cfg_reg(DM355_VIN_CINL_EN);
 331         davinci_cfg_reg(DM355_VIN_CINH_EN);
 332 }
 333
 334 static struct resource dm355_vpss_resources[] = {
 335         {
 336                 /* VPSS BL Base address */
 337                 .name           = "vpss",
 338                 .start          = 0x01c70800,
 339                 .end            = 0x01c70800 + 0xff,
 340                 .flags          = IORESOURCE_MEM,
 341         },
 342         {
 343                 /* VPSS CLK Base address */
 344                 .name           = "vpss",
 345                 .start          = 0x01c70000,
 346                 .end            = 0x01c70000 + 0xf,
 347                 .flags          = IORESOURCE_MEM,
 348         },
 349 };
 350
 351 static struct platform_device dm355_vpss_device = {
 352         .name                   = "vpss",
 353         .id                     = -1,
 354         .dev.platform_data      = "dm355_vpss",
 355         .num_resources          = ARRAY_SIZE(dm355_vpss_resources),
 356         .resource               = dm355_vpss_resources,
 357 };
 358
 359 static struct resource vpfe_resources[] = {
 360         {
 361                 .start          = IRQ_VDINT0,
 362                 .end            = IRQ_VDINT0,
 363                 .flags          = IORESOURCE_IRQ,
 364         },
 365         {
 366                 .start          = IRQ_VDINT1,
 367                 .end            = IRQ_VDINT1,
 368                 .flags          = IORESOURCE_IRQ,
 369         },
 370 };
 371
 372 static u64 vpfe_capture_dma_mask = DMA_BIT_MASK(32);
 373 static struct resource dm355_ccdc_resource[] = {
 374         /* CCDC Base address */
 375         {
 376                 .flags          = IORESOURCE_MEM,
 377                 .start          = 0x01c70600,
 378                 .end            = 0x01c70600 + 0x1ff,
 379         },
 380 };
 381 static struct platform_device dm355_ccdc_dev = {
 382         .name           = "dm355_ccdc",
 383         .id             = -1,
 384         .num_resources  = ARRAY_SIZE(dm355_ccdc_resource),
 385         .resource       = dm355_ccdc_resource,
 386         .dev = {
 387                 .dma_mask               = &vpfe_capture_dma_mask,
 388                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 389                 .platform_data          = dm355_ccdc_setup_pinmux,
 390         },
 391 };
 392
 393 static struct platform_device vpfe_capture_dev = {
 394         .name           = CAPTURE_DRV_NAME,
 395         .id             = -1,
 396         .num_resources  = ARRAY_SIZE(vpfe_resources),
 397         .resource       = vpfe_resources,
 398         .dev = {
 399                 .dma_mask               = &vpfe_capture_dma_mask,
 400                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 401         },
 402 };
 403
 404 static struct resource dm355_osd_resources[] = {
 405         {
 406                 .start  = DM355_OSD_BASE,
 407                 .end    = DM355_OSD_BASE + 0x17f,
 408                 .flags  = IORESOURCE_MEM,
 409         },
 410 };
 411
 412 static struct platform_device dm355_osd_dev = {
 413         .name           = DM355_VPBE_OSD_SUBDEV_NAME,
 414         .id             = -1,
 415         .num_resources  = ARRAY_SIZE(dm355_osd_resources),
 416         .resource       = dm355_osd_resources,
 417         .dev            = {
 418                 .dma_mask               = &vpfe_capture_dma_mask,
 419                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 420         },
 421 };
 422
 423 static struct resource dm355_venc_resources[] = {
 424         {
 425                 .start  = IRQ_VENCINT,
 426                 .end    = IRQ_VENCINT,
 427                 .flags  = IORESOURCE_IRQ,
 428         },
 429         /* venc registers io space */
 430         {
 431                 .start  = DM355_VENC_BASE,
 432                 .end    = DM355_VENC_BASE + 0x17f,
 433                 .flags  = IORESOURCE_MEM,
 434         },
 435         /* VDAC config register io space */
 436         {
 437                 .start  = DAVINCI_SYSTEM_MODULE_BASE + SYSMOD_VDAC_CONFIG,
 438                 .end    = DAVINCI_SYSTEM_MODULE_BASE + SYSMOD_VDAC_CONFIG + 3,
 439                 .flags  = IORESOURCE_MEM,
 440         },
 441 };
 442
 443 static struct resource dm355_v4l2_disp_resources[] = {
 444         {
 445                 .start  = IRQ_VENCINT,
 446                 .end    = IRQ_VENCINT,
 447                 .flags  = IORESOURCE_IRQ,
 448         },
 449         /* venc registers io space */
 450         {
 451                 .start  = DM355_VENC_BASE,
 452                 .end    = DM355_VENC_BASE + 0x17f,
 453                 .flags  = IORESOURCE_MEM,
 454         },
 455 };
 456
 457 static int dm355_vpbe_setup_pinmux(u32 if_type, int field)
 458 {
 459         switch (if_type) {
 460         case MEDIA_BUS_FMT_SGRBG8_1X8:
 461                 davinci_cfg_reg(DM355_VOUT_FIELD_G70);
 462                 break;
 463         case MEDIA_BUS_FMT_YUYV10_1X20:
 464                 if (field)
 465                         davinci_cfg_reg(DM355_VOUT_FIELD);
 466                 else
 467                         davinci_cfg_reg(DM355_VOUT_FIELD_G70);
 468                 break;
 469         default:
 470                 return -EINVAL;
 471         }
 472
 473         davinci_cfg_reg(DM355_VOUT_COUTL_EN);
 474         davinci_cfg_reg(DM355_VOUT_COUTH_EN);
 475
 476         return 0;
 477 }
 478
 479 static int dm355_venc_setup_clock(enum vpbe_enc_timings_type type,
 480                                    unsigned int pclock)
 481 {
 482         void __iomem *vpss_clk_ctrl_reg;
 483
 484         vpss_clk_ctrl_reg = DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL);
 485
 486         switch (type) {
 487         case VPBE_ENC_STD:
 488                 writel(VPSS_DACCLKEN_ENABLE | VPSS_VENCCLKEN_ENABLE,
 489                        vpss_clk_ctrl_reg);
 490                 break;
 491         case VPBE_ENC_DV_TIMINGS:
 492                 if (pclock > 27000000)
 493                         /*
 494                          * For HD, use external clock source since we cannot
 495                          * support HD mode with internal clocks.
 496                          */
 497                         writel(VPSS_MUXSEL_EXTCLK_ENABLE, vpss_clk_ctrl_reg);
 498                 break;
 499         default:
 500                 return -EINVAL;
 501         }
 502
 503         return 0;
 504 }
 505
 506 static struct platform_device dm355_vpbe_display = {
 507         .name           = "vpbe-v4l2",
 508         .id             = -1,
 509         .num_resources  = ARRAY_SIZE(dm355_v4l2_disp_resources),
 510         .resource       = dm355_v4l2_disp_resources,
 511         .dev            = {
 512                 .dma_mask               = &vpfe_capture_dma_mask,
 513                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 514         },
 515 };
 516
 517 static struct venc_platform_data dm355_venc_pdata = {
 518         .setup_pinmux   = dm355_vpbe_setup_pinmux,
 519         .setup_clock    = dm355_venc_setup_clock,
 520 };
 521
 522 static struct platform_device dm355_venc_dev = {
 523         .name           = DM355_VPBE_VENC_SUBDEV_NAME,
 524         .id             = -1,
 525         .num_resources  = ARRAY_SIZE(dm355_venc_resources),
 526         .resource       = dm355_venc_resources,
 527         .dev            = {
 528                 .dma_mask               = &vpfe_capture_dma_mask,
 529                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 530                 .platform_data          = (void *)&dm355_venc_pdata,
 531         },
 532 };
 533
 534 static struct platform_device dm355_vpbe_dev = {
 535         .name           = "vpbe_controller",
 536         .id             = -1,
 537         .dev            = {
 538                 .dma_mask               = &vpfe_capture_dma_mask,
 539                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 540         },
 541 };
 542
 543 static struct resource dm355_gpio_resources[] = {
 544         {       /* registers */
 545                 .start  = DAVINCI_GPIO_BASE,
 546                 .end    = DAVINCI_GPIO_BASE + SZ_4K - 1,
 547                 .flags  = IORESOURCE_MEM,
 548         },
 549         {       /* interrupt */
 550                 .start  = IRQ_DM355_GPIOBNK0,
 551                 .end    = IRQ_DM355_GPIOBNK6,
 552                 .flags  = IORESOURCE_IRQ,
 553         },
 554 };
 555
 556 static struct davinci_gpio_platform_data dm355_gpio_platform_data = {
 557         .ngpio          = 104,
 558 };
 559
 560 int __init dm355_gpio_register(void)
 561 {
 562         return davinci_gpio_register(dm355_gpio_resources,
 563                                      ARRAY_SIZE(dm355_gpio_resources),
 564                                      &dm355_gpio_platform_data);
 565 }
 566 /*----------------------------------------------------------------------*/
 567
 568 static struct map_desc dm355_io_desc[] = {
 569         {
 570                 .virtual        = IO_VIRT,
 571                 .pfn            = __phys_to_pfn(IO_PHYS),
 572                 .length         = IO_SIZE,
 573                 .type           = MT_DEVICE
 574         },
 575 };
 576
 577 /* Contents of JTAG ID register used to identify exact cpu type */
 578 static struct davinci_id dm355_ids[] = {
 579         {
 580                 .variant        = 0x0,
 581                 .part_no        = 0xb73b,
 582                 .manufacturer   = 0x00f,
 583                 .cpu_id         = DAVINCI_CPU_ID_DM355,
 584                 .name           = "dm355",
 585         },
 586 };
 587
 588 /*
 589  * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
 590  * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
 591  * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
 592  * T1_TOP: Timer 1, top   :  <unused>
 593  */
 594 static struct davinci_timer_info dm355_timer_info = {
 595         .timers         = davinci_timer_instance,
 596         .clockevent_id  = T0_BOT,
 597         .clocksource_id = T0_TOP,
 598 };
 599
 600 static struct plat_serial8250_port dm355_serial0_platform_data[] = {
 601         {
 602                 .mapbase        = DAVINCI_UART0_BASE,
 603                 .irq            = IRQ_UARTINT0,
 604                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 605                                   UPF_IOREMAP,
 606                 .iotype         = UPIO_MEM,
 607                 .regshift       = 2,
 608         },
 609         {
 610                 .flags  = 0,
 611         }
 612 };
 613 static struct plat_serial8250_port dm355_serial1_platform_data[] = {
 614         {
 615                 .mapbase        = DAVINCI_UART1_BASE,
 616                 .irq            = IRQ_UARTINT1,
 617                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 618                                   UPF_IOREMAP,
 619                 .iotype         = UPIO_MEM,
 620                 .regshift       = 2,
 621         },
 622         {
 623                 .flags  = 0,
 624         }
 625 };
 626 static struct plat_serial8250_port dm355_serial2_platform_data[] = {
 627         {
 628                 .mapbase        = DM355_UART2_BASE,
 629                 .irq            = IRQ_DM355_UARTINT2,
 630                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 631                                   UPF_IOREMAP,
 632                 .iotype         = UPIO_MEM,
 633                 .regshift       = 2,
 634         },
 635         {
 636                 .flags  = 0,
 637         }
 638 };
 639
 640 struct platform_device dm355_serial_device[] = {
 641         {
 642                 .name                   = "serial8250",
 643                 .id                     = PLAT8250_DEV_PLATFORM,
 644                 .dev                    = {
 645                         .platform_data  = dm355_serial0_platform_data,
 646                 }
 647         },
 648         {
 649                 .name                   = "serial8250",
 650                 .id                     = PLAT8250_DEV_PLATFORM1,
 651                 .dev                    = {
 652                         .platform_data  = dm355_serial1_platform_data,
 653                 }
 654         },
 655         {
 656                 .name                   = "serial8250",
 657                 .id                     = PLAT8250_DEV_PLATFORM2,
 658                 .dev                    = {
 659                         .platform_data  = dm355_serial2_platform_data,
 660                 }
 661         },
 662         {
 663         }
 664 };
 665
 666 static const struct davinci_soc_info davinci_soc_info_dm355 = {
 667         .io_desc                = dm355_io_desc,
 668         .io_desc_num            = ARRAY_SIZE(dm355_io_desc),
 669         .jtag_id_reg            = 0x01c40028,
 670         .ids                    = dm355_ids,
 671         .ids_num                = ARRAY_SIZE(dm355_ids),
 672         .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
 673         .pinmux_pins            = dm355_pins,
 674         .pinmux_pins_num        = ARRAY_SIZE(dm355_pins),
 675         .intc_base              = DAVINCI_ARM_INTC_BASE,
 676         .intc_type              = DAVINCI_INTC_TYPE_AINTC,
 677         .intc_irq_prios         = dm355_default_priorities,
 678         .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
 679         .timer_info             = &dm355_timer_info,
 680         .sram_dma               = 0x00010000,
 681         .sram_len               = SZ_32K,
 682 };
 683
 684 void __init dm355_init_asp1(u32 evt_enable)
 685 {
 686         /* we don't use ASP1 IRQs, or we'd need to mux them ... */
 687         if (evt_enable & ASP1_TX_EVT_EN)
 688                 davinci_cfg_reg(DM355_EVT8_ASP1_TX);
 689
 690         if (evt_enable & ASP1_RX_EVT_EN)
 691                 davinci_cfg_reg(DM355_EVT9_ASP1_RX);
 692
 693         platform_device_register(&dm355_asp1_device);
 694 }
 695
 696 void __init dm355_init(void)
 697 {
 698         davinci_common_init(&davinci_soc_info_dm355);
 699         davinci_map_sysmod();
 700 }
 701
 702 void __init dm355_init_time(void)
 703 {
 704         void __iomem *pll1, *psc;
 705         struct clk *clk;
 706
 707         clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DM355_REF_FREQ);
 708
 709         pll1 = ioremap(DAVINCI_PLL1_BASE, SZ_1K);
 710         dm355_pll1_init(NULL, pll1, NULL);
 711
 712         psc = ioremap(DAVINCI_PWR_SLEEP_CNTRL_BASE, SZ_4K);
 713         dm355_psc_init(NULL, psc);
 714
 715         clk = clk_get(NULL, "timer0");
 716
 717         davinci_timer_init(clk);
 718 }
 719
 720 static struct resource dm355_pll2_resources[] = {
 721         {
 722                 .start  = DAVINCI_PLL2_BASE,
 723                 .end    = DAVINCI_PLL2_BASE + SZ_1K - 1,
 724                 .flags  = IORESOURCE_MEM,
 725         },
 726 };
 727
 728 static struct platform_device dm355_pll2_device = {
 729         .name           = "dm355-pll2",
 730         .id             = -1,
 731         .resource       = dm355_pll2_resources,
 732         .num_resources  = ARRAY_SIZE(dm355_pll2_resources),
 733 };
 734
 735 void __init dm355_register_clocks(void)
 736 {
 737         /* PLL1 and PSC are registered in dm355_init_time() */
 738         platform_device_register(&dm355_pll2_device);
 739 }
 740
 741 int __init dm355_init_video(struct vpfe_config *vpfe_cfg,
 742                                 struct vpbe_config *vpbe_cfg)
 743 {
 744         if (vpfe_cfg || vpbe_cfg)
 745                 platform_device_register(&dm355_vpss_device);
 746
 747         if (vpfe_cfg) {
 748                 vpfe_capture_dev.dev.platform_data = vpfe_cfg;
 749                 platform_device_register(&dm355_ccdc_dev);
 750                 platform_device_register(&vpfe_capture_dev);
 751         }
 752
 753         if (vpbe_cfg) {
 754                 dm355_vpbe_dev.dev.platform_data = vpbe_cfg;
 755                 platform_device_register(&dm355_osd_dev);
 756                 platform_device_register(&dm355_venc_dev);
 757                 platform_device_register(&dm355_vpbe_dev);
 758                 platform_device_register(&dm355_vpbe_display);
 759         }
 760
 761         return 0;
 762 }
 763
 764 static int __init dm355_init_devices(void)
 765 {
 766         struct platform_device *edma_pdev;
 767         int ret = 0;
 768
 769         if (!cpu_is_davinci_dm355())
 770                 return 0;
 771
 772         davinci_cfg_reg(DM355_INT_EDMA_CC);
 773         edma_pdev = platform_device_register_full(&dm355_edma_device);
 774         if (IS_ERR(edma_pdev)) {
 775                 pr_warn("%s: Failed to register eDMA\n", __func__);
 776                 return PTR_ERR(edma_pdev);
 777         }
 778
 779         ret = davinci_init_wdt();
 780         if (ret)
 781                 pr_warn("%s: watchdog init failed: %d\n", __func__, ret);
 782
 783         return ret;
 784 }
 785 postcore_initcall(dm355_init_devices);