root/arch/arm/mach-davinci/dm644x.c

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DEFINITIONS

This source file includes following definitions.
  1. dm644x_venc_setup_clock
  2. dm644x_gpio_register
  3. dm644x_init_asp
  4. dm644x_init
  5. dm644x_init_time
  6. dm644x_register_clocks
  7. dm644x_init_video
  8. dm644x_init_irq
  9. dm644x_init_devices

   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/io.h>
  18 #include <linux/irqchip/irq-davinci-aintc.h>
  19 #include <linux/platform_data/edma.h>
  20 #include <linux/platform_data/gpio-davinci.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/serial_8250.h>
  23 
  24 #include <asm/mach/map.h>
  25 
  26 #include <mach/common.h>
  27 #include <mach/cputype.h>
  28 #include <mach/mux.h>
  29 #include <mach/serial.h>
  30 
  31 #include <clocksource/timer-davinci.h>
  32 
  33 #include "asp.h"
  34 #include "davinci.h"
  35 #include "irqs.h"
  36 #include "mux.h"
  37 
  38 /*
  39  * Device specific clocks
  40  */
  41 #define DM644X_REF_FREQ         27000000
  42 
  43 #define DM644X_EMAC_BASE                0x01c80000
  44 #define DM644X_EMAC_MDIO_BASE           (DM644X_EMAC_BASE + 0x4000)
  45 #define DM644X_EMAC_CNTRL_OFFSET        0x0000
  46 #define DM644X_EMAC_CNTRL_MOD_OFFSET    0x1000
  47 #define DM644X_EMAC_CNTRL_RAM_OFFSET    0x2000
  48 #define DM644X_EMAC_CNTRL_RAM_SIZE      0x2000
  49 
  50 static struct emac_platform_data dm644x_emac_pdata = {
  51         .ctrl_reg_offset        = DM644X_EMAC_CNTRL_OFFSET,
  52         .ctrl_mod_reg_offset    = DM644X_EMAC_CNTRL_MOD_OFFSET,
  53         .ctrl_ram_offset        = DM644X_EMAC_CNTRL_RAM_OFFSET,
  54         .ctrl_ram_size          = DM644X_EMAC_CNTRL_RAM_SIZE,
  55         .version                = EMAC_VERSION_1,
  56 };
  57 
  58 static struct resource dm644x_emac_resources[] = {
  59         {
  60                 .start  = DM644X_EMAC_BASE,
  61                 .end    = DM644X_EMAC_BASE + SZ_16K - 1,
  62                 .flags  = IORESOURCE_MEM,
  63         },
  64         {
  65                 .start = DAVINCI_INTC_IRQ(IRQ_EMACINT),
  66                 .end   = DAVINCI_INTC_IRQ(IRQ_EMACINT),
  67                 .flags = IORESOURCE_IRQ,
  68         },
  69 };
  70 
  71 static struct platform_device dm644x_emac_device = {
  72        .name            = "davinci_emac",
  73        .id              = 1,
  74        .dev = {
  75                .platform_data   = &dm644x_emac_pdata,
  76        },
  77        .num_resources   = ARRAY_SIZE(dm644x_emac_resources),
  78        .resource        = dm644x_emac_resources,
  79 };
  80 
  81 static struct resource dm644x_mdio_resources[] = {
  82         {
  83                 .start  = DM644X_EMAC_MDIO_BASE,
  84                 .end    = DM644X_EMAC_MDIO_BASE + SZ_4K - 1,
  85                 .flags  = IORESOURCE_MEM,
  86         },
  87 };
  88 
  89 static struct platform_device dm644x_mdio_device = {
  90         .name           = "davinci_mdio",
  91         .id             = 0,
  92         .num_resources  = ARRAY_SIZE(dm644x_mdio_resources),
  93         .resource       = dm644x_mdio_resources,
  94 };
  95 
  96 /*
  97  * Device specific mux setup
  98  *
  99  *      soc     description     mux  mode   mode  mux    dbg
 100  *                              reg  offset mask  mode
 101  */
 102 static const struct mux_config dm644x_pins[] = {
 103 #ifdef CONFIG_DAVINCI_MUX
 104 MUX_CFG(DM644X, HDIREN,         0,   16,    1,    1,     true)
 105 MUX_CFG(DM644X, ATAEN,          0,   17,    1,    1,     true)
 106 MUX_CFG(DM644X, ATAEN_DISABLE,  0,   17,    1,    0,     true)
 107 
 108 MUX_CFG(DM644X, HPIEN_DISABLE,  0,   29,    1,    0,     true)
 109 
 110 MUX_CFG(DM644X, AEAW,           0,   0,     31,   31,    true)
 111 MUX_CFG(DM644X, AEAW0,          0,   0,     1,    0,     true)
 112 MUX_CFG(DM644X, AEAW1,          0,   1,     1,    0,     true)
 113 MUX_CFG(DM644X, AEAW2,          0,   2,     1,    0,     true)
 114 MUX_CFG(DM644X, AEAW3,          0,   3,     1,    0,     true)
 115 MUX_CFG(DM644X, AEAW4,          0,   4,     1,    0,     true)
 116 
 117 MUX_CFG(DM644X, MSTK,           1,   9,     1,    0,     false)
 118 
 119 MUX_CFG(DM644X, I2C,            1,   7,     1,    1,     false)
 120 
 121 MUX_CFG(DM644X, MCBSP,          1,   10,    1,    1,     false)
 122 
 123 MUX_CFG(DM644X, UART1,          1,   1,     1,    1,     true)
 124 MUX_CFG(DM644X, UART2,          1,   2,     1,    1,     true)
 125 
 126 MUX_CFG(DM644X, PWM0,           1,   4,     1,    1,     false)
 127 
 128 MUX_CFG(DM644X, PWM1,           1,   5,     1,    1,     false)
 129 
 130 MUX_CFG(DM644X, PWM2,           1,   6,     1,    1,     false)
 131 
 132 MUX_CFG(DM644X, VLYNQEN,        0,   15,    1,    1,     false)
 133 MUX_CFG(DM644X, VLSCREN,        0,   14,    1,    1,     false)
 134 MUX_CFG(DM644X, VLYNQWD,        0,   12,    3,    3,     false)
 135 
 136 MUX_CFG(DM644X, EMACEN,         0,   31,    1,    1,     true)
 137 
 138 MUX_CFG(DM644X, GPIO3V,         0,   31,    1,    0,     true)
 139 
 140 MUX_CFG(DM644X, GPIO0,          0,   24,    1,    0,     true)
 141 MUX_CFG(DM644X, GPIO3,          0,   25,    1,    0,     false)
 142 MUX_CFG(DM644X, GPIO43_44,      1,   7,     1,    0,     false)
 143 MUX_CFG(DM644X, GPIO46_47,      0,   22,    1,    0,     true)
 144 
 145 MUX_CFG(DM644X, RGB666,         0,   22,    1,    1,     true)
 146 
 147 MUX_CFG(DM644X, LOEEN,          0,   24,    1,    1,     true)
 148 MUX_CFG(DM644X, LFLDEN,         0,   25,    1,    1,     false)
 149 #endif
 150 };
 151 
 152 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
 153 static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 154         [IRQ_VDINT0]            = 2,
 155         [IRQ_VDINT1]            = 6,
 156         [IRQ_VDINT2]            = 6,
 157         [IRQ_HISTINT]           = 6,
 158         [IRQ_H3AINT]            = 6,
 159         [IRQ_PRVUINT]           = 6,
 160         [IRQ_RSZINT]            = 6,
 161         [7]                     = 7,
 162         [IRQ_VENCINT]           = 6,
 163         [IRQ_ASQINT]            = 6,
 164         [IRQ_IMXINT]            = 6,
 165         [IRQ_VLCDINT]           = 6,
 166         [IRQ_USBINT]            = 4,
 167         [IRQ_EMACINT]           = 4,
 168         [14]                    = 7,
 169         [15]                    = 7,
 170         [IRQ_CCINT0]            = 5,    /* dma */
 171         [IRQ_CCERRINT]          = 5,    /* dma */
 172         [IRQ_TCERRINT0]         = 5,    /* dma */
 173         [IRQ_TCERRINT]          = 5,    /* dma */
 174         [IRQ_PSCIN]             = 7,
 175         [21]                    = 7,
 176         [IRQ_IDE]               = 4,
 177         [23]                    = 7,
 178         [IRQ_MBXINT]            = 7,
 179         [IRQ_MBRINT]            = 7,
 180         [IRQ_MMCINT]            = 7,
 181         [IRQ_SDIOINT]           = 7,
 182         [28]                    = 7,
 183         [IRQ_DDRINT]            = 7,
 184         [IRQ_AEMIFINT]          = 7,
 185         [IRQ_VLQINT]            = 4,
 186         [IRQ_TINT0_TINT12]      = 2,    /* clockevent */
 187         [IRQ_TINT0_TINT34]      = 2,    /* clocksource */
 188         [IRQ_TINT1_TINT12]      = 7,    /* DSP timer */
 189         [IRQ_TINT1_TINT34]      = 7,    /* system tick */
 190         [IRQ_PWMINT0]           = 7,
 191         [IRQ_PWMINT1]           = 7,
 192         [IRQ_PWMINT2]           = 7,
 193         [IRQ_I2C]               = 3,
 194         [IRQ_UARTINT0]          = 3,
 195         [IRQ_UARTINT1]          = 3,
 196         [IRQ_UARTINT2]          = 3,
 197         [IRQ_SPINT0]            = 3,
 198         [IRQ_SPINT1]            = 3,
 199         [45]                    = 7,
 200         [IRQ_DSP2ARM0]          = 4,
 201         [IRQ_DSP2ARM1]          = 4,
 202         [IRQ_GPIO0]             = 7,
 203         [IRQ_GPIO1]             = 7,
 204         [IRQ_GPIO2]             = 7,
 205         [IRQ_GPIO3]             = 7,
 206         [IRQ_GPIO4]             = 7,
 207         [IRQ_GPIO5]             = 7,
 208         [IRQ_GPIO6]             = 7,
 209         [IRQ_GPIO7]             = 7,
 210         [IRQ_GPIOBNK0]          = 7,
 211         [IRQ_GPIOBNK1]          = 7,
 212         [IRQ_GPIOBNK2]          = 7,
 213         [IRQ_GPIOBNK3]          = 7,
 214         [IRQ_GPIOBNK4]          = 7,
 215         [IRQ_COMMTX]            = 7,
 216         [IRQ_COMMRX]            = 7,
 217         [IRQ_EMUINT]            = 7,
 218 };
 219 
 220 /*----------------------------------------------------------------------*/
 221 
 222 static s8 queue_priority_mapping[][2] = {
 223         /* {event queue no, Priority} */
 224         {0, 3},
 225         {1, 7},
 226         {-1, -1},
 227 };
 228 
 229 static const struct dma_slave_map dm644x_edma_map[] = {
 230         { "davinci-mcbsp", "tx", EDMA_FILTER_PARAM(0, 2) },
 231         { "davinci-mcbsp", "rx", EDMA_FILTER_PARAM(0, 3) },
 232         { "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },
 233         { "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },
 234         { "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) },
 235         { "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) },
 236 };
 237 
 238 static struct edma_soc_info dm644x_edma_pdata = {
 239         .queue_priority_mapping = queue_priority_mapping,
 240         .default_queue          = EVENTQ_1,
 241         .slave_map              = dm644x_edma_map,
 242         .slavecnt               = ARRAY_SIZE(dm644x_edma_map),
 243 };
 244 
 245 static struct resource edma_resources[] = {
 246         {
 247                 .name   = "edma3_cc",
 248                 .start  = 0x01c00000,
 249                 .end    = 0x01c00000 + SZ_64K - 1,
 250                 .flags  = IORESOURCE_MEM,
 251         },
 252         {
 253                 .name   = "edma3_tc0",
 254                 .start  = 0x01c10000,
 255                 .end    = 0x01c10000 + SZ_1K - 1,
 256                 .flags  = IORESOURCE_MEM,
 257         },
 258         {
 259                 .name   = "edma3_tc1",
 260                 .start  = 0x01c10400,
 261                 .end    = 0x01c10400 + SZ_1K - 1,
 262                 .flags  = IORESOURCE_MEM,
 263         },
 264         {
 265                 .name   = "edma3_ccint",
 266                 .start  = DAVINCI_INTC_IRQ(IRQ_CCINT0),
 267                 .flags  = IORESOURCE_IRQ,
 268         },
 269         {
 270                 .name   = "edma3_ccerrint",
 271                 .start  = DAVINCI_INTC_IRQ(IRQ_CCERRINT),
 272                 .flags  = IORESOURCE_IRQ,
 273         },
 274         /* not using TC*_ERR */
 275 };
 276 
 277 static const struct platform_device_info dm644x_edma_device __initconst = {
 278         .name           = "edma",
 279         .id             = 0,
 280         .dma_mask       = DMA_BIT_MASK(32),
 281         .res            = edma_resources,
 282         .num_res        = ARRAY_SIZE(edma_resources),
 283         .data           = &dm644x_edma_pdata,
 284         .size_data      = sizeof(dm644x_edma_pdata),
 285 };
 286 
 287 /* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
 288 static struct resource dm644x_asp_resources[] = {
 289         {
 290                 .name   = "mpu",
 291                 .start  = DAVINCI_ASP0_BASE,
 292                 .end    = DAVINCI_ASP0_BASE + SZ_8K - 1,
 293                 .flags  = IORESOURCE_MEM,
 294         },
 295         {
 296                 .start  = DAVINCI_DMA_ASP0_TX,
 297                 .end    = DAVINCI_DMA_ASP0_TX,
 298                 .flags  = IORESOURCE_DMA,
 299         },
 300         {
 301                 .start  = DAVINCI_DMA_ASP0_RX,
 302                 .end    = DAVINCI_DMA_ASP0_RX,
 303                 .flags  = IORESOURCE_DMA,
 304         },
 305 };
 306 
 307 static struct platform_device dm644x_asp_device = {
 308         .name           = "davinci-mcbsp",
 309         .id             = -1,
 310         .num_resources  = ARRAY_SIZE(dm644x_asp_resources),
 311         .resource       = dm644x_asp_resources,
 312 };
 313 
 314 #define DM644X_VPSS_BASE        0x01c73400
 315 
 316 static struct resource dm644x_vpss_resources[] = {
 317         {
 318                 /* VPSS Base address */
 319                 .name           = "vpss",
 320                 .start          = DM644X_VPSS_BASE,
 321                 .end            = DM644X_VPSS_BASE + 0xff,
 322                 .flags          = IORESOURCE_MEM,
 323         },
 324 };
 325 
 326 static struct platform_device dm644x_vpss_device = {
 327         .name                   = "vpss",
 328         .id                     = -1,
 329         .dev.platform_data      = "dm644x_vpss",
 330         .num_resources          = ARRAY_SIZE(dm644x_vpss_resources),
 331         .resource               = dm644x_vpss_resources,
 332 };
 333 
 334 static struct resource dm644x_vpfe_resources[] = {
 335         {
 336                 .start          = DAVINCI_INTC_IRQ(IRQ_VDINT0),
 337                 .end            = DAVINCI_INTC_IRQ(IRQ_VDINT0),
 338                 .flags          = IORESOURCE_IRQ,
 339         },
 340         {
 341                 .start          = DAVINCI_INTC_IRQ(IRQ_VDINT1),
 342                 .end            = DAVINCI_INTC_IRQ(IRQ_VDINT1),
 343                 .flags          = IORESOURCE_IRQ,
 344         },
 345 };
 346 
 347 static u64 dm644x_video_dma_mask = DMA_BIT_MASK(32);
 348 static struct resource dm644x_ccdc_resource[] = {
 349         /* CCDC Base address */
 350         {
 351                 .start          = 0x01c70400,
 352                 .end            = 0x01c70400 + 0xff,
 353                 .flags          = IORESOURCE_MEM,
 354         },
 355 };
 356 
 357 static struct platform_device dm644x_ccdc_dev = {
 358         .name           = "dm644x_ccdc",
 359         .id             = -1,
 360         .num_resources  = ARRAY_SIZE(dm644x_ccdc_resource),
 361         .resource       = dm644x_ccdc_resource,
 362         .dev = {
 363                 .dma_mask               = &dm644x_video_dma_mask,
 364                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 365         },
 366 };
 367 
 368 static struct platform_device dm644x_vpfe_dev = {
 369         .name           = CAPTURE_DRV_NAME,
 370         .id             = -1,
 371         .num_resources  = ARRAY_SIZE(dm644x_vpfe_resources),
 372         .resource       = dm644x_vpfe_resources,
 373         .dev = {
 374                 .dma_mask               = &dm644x_video_dma_mask,
 375                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 376         },
 377 };
 378 
 379 #define DM644X_OSD_BASE         0x01c72600
 380 
 381 static struct resource dm644x_osd_resources[] = {
 382         {
 383                 .start  = DM644X_OSD_BASE,
 384                 .end    = DM644X_OSD_BASE + 0x1ff,
 385                 .flags  = IORESOURCE_MEM,
 386         },
 387 };
 388 
 389 static struct platform_device dm644x_osd_dev = {
 390         .name           = DM644X_VPBE_OSD_SUBDEV_NAME,
 391         .id             = -1,
 392         .num_resources  = ARRAY_SIZE(dm644x_osd_resources),
 393         .resource       = dm644x_osd_resources,
 394         .dev            = {
 395                 .dma_mask               = &dm644x_video_dma_mask,
 396                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 397         },
 398 };
 399 
 400 #define DM644X_VENC_BASE                0x01c72400
 401 
 402 static struct resource dm644x_venc_resources[] = {
 403         {
 404                 .start  = DM644X_VENC_BASE,
 405                 .end    = DM644X_VENC_BASE + 0x17f,
 406                 .flags  = IORESOURCE_MEM,
 407         },
 408 };
 409 
 410 #define DM644X_VPSS_MUXSEL_PLL2_MODE          BIT(0)
 411 #define DM644X_VPSS_MUXSEL_VPBECLK_MODE       BIT(1)
 412 #define DM644X_VPSS_VENCLKEN                  BIT(3)
 413 #define DM644X_VPSS_DACCLKEN                  BIT(4)
 414 
 415 static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type,
 416                                    unsigned int pclock)
 417 {
 418         int ret = 0;
 419         u32 v = DM644X_VPSS_VENCLKEN;
 420 
 421         switch (type) {
 422         case VPBE_ENC_STD:
 423                 v |= DM644X_VPSS_DACCLKEN;
 424                 writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 425                 break;
 426         case VPBE_ENC_DV_TIMINGS:
 427                 if (pclock <= 27000000) {
 428                         v |= DM644X_VPSS_DACCLKEN;
 429                         writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 430                 } else {
 431                         /*
 432                          * For HD, use external clock source since
 433                          * HD requires higher clock rate
 434                          */
 435                         v |= DM644X_VPSS_MUXSEL_VPBECLK_MODE;
 436                         writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 437                 }
 438                 break;
 439         default:
 440                 ret  = -EINVAL;
 441         }
 442 
 443         return ret;
 444 }
 445 
 446 static struct resource dm644x_v4l2_disp_resources[] = {
 447         {
 448                 .start  = DAVINCI_INTC_IRQ(IRQ_VENCINT),
 449                 .end    = DAVINCI_INTC_IRQ(IRQ_VENCINT),
 450                 .flags  = IORESOURCE_IRQ,
 451         },
 452 };
 453 
 454 static struct platform_device dm644x_vpbe_display = {
 455         .name           = "vpbe-v4l2",
 456         .id             = -1,
 457         .num_resources  = ARRAY_SIZE(dm644x_v4l2_disp_resources),
 458         .resource       = dm644x_v4l2_disp_resources,
 459         .dev            = {
 460                 .dma_mask               = &dm644x_video_dma_mask,
 461                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 462         },
 463 };
 464 
 465 static struct venc_platform_data dm644x_venc_pdata = {
 466         .setup_clock    = dm644x_venc_setup_clock,
 467 };
 468 
 469 static struct platform_device dm644x_venc_dev = {
 470         .name           = DM644X_VPBE_VENC_SUBDEV_NAME,
 471         .id             = -1,
 472         .num_resources  = ARRAY_SIZE(dm644x_venc_resources),
 473         .resource       = dm644x_venc_resources,
 474         .dev            = {
 475                 .dma_mask               = &dm644x_video_dma_mask,
 476                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 477                 .platform_data          = &dm644x_venc_pdata,
 478         },
 479 };
 480 
 481 static struct platform_device dm644x_vpbe_dev = {
 482         .name           = "vpbe_controller",
 483         .id             = -1,
 484         .dev            = {
 485                 .dma_mask               = &dm644x_video_dma_mask,
 486                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 487         },
 488 };
 489 
 490 static struct resource dm644_gpio_resources[] = {
 491         {       /* registers */
 492                 .start  = DAVINCI_GPIO_BASE,
 493                 .end    = DAVINCI_GPIO_BASE + SZ_4K - 1,
 494                 .flags  = IORESOURCE_MEM,
 495         },
 496         {       /* interrupt */
 497                 .start  = DAVINCI_INTC_IRQ(IRQ_GPIOBNK0),
 498                 .end    = DAVINCI_INTC_IRQ(IRQ_GPIOBNK0),
 499                 .flags  = IORESOURCE_IRQ,
 500         },
 501         {
 502                 .start  = DAVINCI_INTC_IRQ(IRQ_GPIOBNK1),
 503                 .end    = DAVINCI_INTC_IRQ(IRQ_GPIOBNK1),
 504                 .flags  = IORESOURCE_IRQ,
 505         },
 506         {
 507                 .start  = DAVINCI_INTC_IRQ(IRQ_GPIOBNK2),
 508                 .end    = DAVINCI_INTC_IRQ(IRQ_GPIOBNK2),
 509                 .flags  = IORESOURCE_IRQ,
 510         },
 511         {
 512                 .start  = DAVINCI_INTC_IRQ(IRQ_GPIOBNK3),
 513                 .end    = DAVINCI_INTC_IRQ(IRQ_GPIOBNK3),
 514                 .flags  = IORESOURCE_IRQ,
 515         },
 516         {
 517                 .start  = DAVINCI_INTC_IRQ(IRQ_GPIOBNK4),
 518                 .end    = DAVINCI_INTC_IRQ(IRQ_GPIOBNK4),
 519                 .flags  = IORESOURCE_IRQ,
 520         },
 521 };
 522 
 523 static struct davinci_gpio_platform_data dm644_gpio_platform_data = {
 524         .no_auto_base   = true,
 525         .base           = 0,
 526         .ngpio          = 71,
 527 };
 528 
 529 int __init dm644x_gpio_register(void)
 530 {
 531         return davinci_gpio_register(dm644_gpio_resources,
 532                                      ARRAY_SIZE(dm644_gpio_resources),
 533                                      &dm644_gpio_platform_data);
 534 }
 535 /*----------------------------------------------------------------------*/
 536 
 537 static struct map_desc dm644x_io_desc[] = {
 538         {
 539                 .virtual        = IO_VIRT,
 540                 .pfn            = __phys_to_pfn(IO_PHYS),
 541                 .length         = IO_SIZE,
 542                 .type           = MT_DEVICE
 543         },
 544 };
 545 
 546 /* Contents of JTAG ID register used to identify exact cpu type */
 547 static struct davinci_id dm644x_ids[] = {
 548         {
 549                 .variant        = 0x0,
 550                 .part_no        = 0xb700,
 551                 .manufacturer   = 0x017,
 552                 .cpu_id         = DAVINCI_CPU_ID_DM6446,
 553                 .name           = "dm6446",
 554         },
 555         {
 556                 .variant        = 0x1,
 557                 .part_no        = 0xb700,
 558                 .manufacturer   = 0x017,
 559                 .cpu_id         = DAVINCI_CPU_ID_DM6446,
 560                 .name           = "dm6446a",
 561         },
 562 };
 563 
 564 /*
 565  * Bottom half of timer0 is used for clockevent, top half is used for
 566  * clocksource.
 567  */
 568 static const struct davinci_timer_cfg dm644x_timer_cfg = {
 569         .reg = DEFINE_RES_IO(DAVINCI_TIMER0_BASE, SZ_4K),
 570         .irq = {
 571                 DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT12)),
 572                 DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT34)),
 573         },
 574 };
 575 
 576 static struct plat_serial8250_port dm644x_serial0_platform_data[] = {
 577         {
 578                 .mapbase        = DAVINCI_UART0_BASE,
 579                 .irq            = DAVINCI_INTC_IRQ(IRQ_UARTINT0),
 580                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 581                                   UPF_IOREMAP,
 582                 .iotype         = UPIO_MEM,
 583                 .regshift       = 2,
 584         },
 585         {
 586                 .flags  = 0,
 587         }
 588 };
 589 static struct plat_serial8250_port dm644x_serial1_platform_data[] = {
 590         {
 591                 .mapbase        = DAVINCI_UART1_BASE,
 592                 .irq            = DAVINCI_INTC_IRQ(IRQ_UARTINT1),
 593                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 594                                   UPF_IOREMAP,
 595                 .iotype         = UPIO_MEM,
 596                 .regshift       = 2,
 597         },
 598         {
 599                 .flags  = 0,
 600         }
 601 };
 602 static struct plat_serial8250_port dm644x_serial2_platform_data[] = {
 603         {
 604                 .mapbase        = DAVINCI_UART2_BASE,
 605                 .irq            = DAVINCI_INTC_IRQ(IRQ_UARTINT2),
 606                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 607                                   UPF_IOREMAP,
 608                 .iotype         = UPIO_MEM,
 609                 .regshift       = 2,
 610         },
 611         {
 612                 .flags  = 0,
 613         }
 614 };
 615 
 616 struct platform_device dm644x_serial_device[] = {
 617         {
 618                 .name                   = "serial8250",
 619                 .id                     = PLAT8250_DEV_PLATFORM,
 620                 .dev                    = {
 621                         .platform_data  = dm644x_serial0_platform_data,
 622                 }
 623         },
 624         {
 625                 .name                   = "serial8250",
 626                 .id                     = PLAT8250_DEV_PLATFORM1,
 627                 .dev                    = {
 628                         .platform_data  = dm644x_serial1_platform_data,
 629                 }
 630         },
 631         {
 632                 .name                   = "serial8250",
 633                 .id                     = PLAT8250_DEV_PLATFORM2,
 634                 .dev                    = {
 635                         .platform_data  = dm644x_serial2_platform_data,
 636                 }
 637         },
 638         {
 639         }
 640 };
 641 
 642 static const struct davinci_soc_info davinci_soc_info_dm644x = {
 643         .io_desc                = dm644x_io_desc,
 644         .io_desc_num            = ARRAY_SIZE(dm644x_io_desc),
 645         .jtag_id_reg            = 0x01c40028,
 646         .ids                    = dm644x_ids,
 647         .ids_num                = ARRAY_SIZE(dm644x_ids),
 648         .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
 649         .pinmux_pins            = dm644x_pins,
 650         .pinmux_pins_num        = ARRAY_SIZE(dm644x_pins),
 651         .emac_pdata             = &dm644x_emac_pdata,
 652         .sram_dma               = 0x00008000,
 653         .sram_len               = SZ_16K,
 654 };
 655 
 656 void __init dm644x_init_asp(void)
 657 {
 658         davinci_cfg_reg(DM644X_MCBSP);
 659         platform_device_register(&dm644x_asp_device);
 660 }
 661 
 662 void __init dm644x_init(void)
 663 {
 664         davinci_common_init(&davinci_soc_info_dm644x);
 665         davinci_map_sysmod();
 666 }
 667 
 668 void __init dm644x_init_time(void)
 669 {
 670         void __iomem *pll1, *psc;
 671         struct clk *clk;
 672         int rv;
 673 
 674         clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DM644X_REF_FREQ);
 675 
 676         pll1 = ioremap(DAVINCI_PLL1_BASE, SZ_1K);
 677         dm644x_pll1_init(NULL, pll1, NULL);
 678 
 679         psc = ioremap(DAVINCI_PWR_SLEEP_CNTRL_BASE, SZ_4K);
 680         dm644x_psc_init(NULL, psc);
 681 
 682         clk = clk_get(NULL, "timer0");
 683         if (WARN_ON(IS_ERR(clk))) {
 684                 pr_err("Unable to get the timer clock\n");
 685                 return;
 686         }
 687 
 688         rv = davinci_timer_register(clk, &dm644x_timer_cfg);
 689         WARN(rv, "Unable to register the timer: %d\n", rv);
 690 }
 691 
 692 static struct resource dm644x_pll2_resources[] = {
 693         {
 694                 .start  = DAVINCI_PLL2_BASE,
 695                 .end    = DAVINCI_PLL2_BASE + SZ_1K - 1,
 696                 .flags  = IORESOURCE_MEM,
 697         },
 698 };
 699 
 700 static struct platform_device dm644x_pll2_device = {
 701         .name           = "dm644x-pll2",
 702         .id             = -1,
 703         .resource       = dm644x_pll2_resources,
 704         .num_resources  = ARRAY_SIZE(dm644x_pll2_resources),
 705 };
 706 
 707 void __init dm644x_register_clocks(void)
 708 {
 709         /* PLL1 and PSC are registered in dm644x_init_time() */
 710         platform_device_register(&dm644x_pll2_device);
 711 }
 712 
 713 int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,
 714                                 struct vpbe_config *vpbe_cfg)
 715 {
 716         if (vpfe_cfg || vpbe_cfg)
 717                 platform_device_register(&dm644x_vpss_device);
 718 
 719         if (vpfe_cfg) {
 720                 dm644x_vpfe_dev.dev.platform_data = vpfe_cfg;
 721                 platform_device_register(&dm644x_ccdc_dev);
 722                 platform_device_register(&dm644x_vpfe_dev);
 723         }
 724 
 725         if (vpbe_cfg) {
 726                 dm644x_vpbe_dev.dev.platform_data = vpbe_cfg;
 727                 platform_device_register(&dm644x_osd_dev);
 728                 platform_device_register(&dm644x_venc_dev);
 729                 platform_device_register(&dm644x_vpbe_dev);
 730                 platform_device_register(&dm644x_vpbe_display);
 731         }
 732 
 733         return 0;
 734 }
 735 
 736 static const struct davinci_aintc_config dm644x_aintc_config = {
 737         .reg = {
 738                 .start          = DAVINCI_ARM_INTC_BASE,
 739                 .end            = DAVINCI_ARM_INTC_BASE + SZ_4K - 1,
 740                 .flags          = IORESOURCE_MEM,
 741         },
 742         .num_irqs               = 64,
 743         .prios                  = dm644x_default_priorities,
 744 };
 745 
 746 void __init dm644x_init_irq(void)
 747 {
 748         davinci_aintc_init(&dm644x_aintc_config);
 749 }
 750 
 751 void __init dm644x_init_devices(void)
 752 {
 753         struct platform_device *edma_pdev;
 754         int ret;
 755 
 756         edma_pdev = platform_device_register_full(&dm644x_edma_device);
 757         if (IS_ERR(edma_pdev))
 758                 pr_warn("%s: Failed to register eDMA\n", __func__);
 759 
 760         platform_device_register(&dm644x_mdio_device);
 761         platform_device_register(&dm644x_emac_device);
 762 
 763         ret = davinci_init_wdt();
 764         if (ret)
 765                 pr_warn("%s: watchdog init failed: %d\n", __func__, ret);
 766 
 767 }

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