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 #include <linux/init.h>
  12 #include <linux/clk.h>
  13 #include <linux/serial_8250.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/gpio.h>
  16
  17 #include <asm/mach/map.h>
  18
  19 #include <mach/dm644x.h>
  20 #include <mach/cputype.h>
  21 #include <mach/edma.h>
  22 #include <mach/irqs.h>
  23 #include <mach/psc.h>
  24 #include <mach/mux.h>
  25 #include <mach/time.h>
  26 #include <mach/serial.h>
  27 #include <mach/common.h>
  28 #include <mach/asp.h>
  29
  30 #include "clock.h"
  31 #include "mux.h"
  32
  33 /*
  34  * Device specific clocks
  35  */
  36 #define DM644X_REF_FREQ         27000000
  37
  38 static struct pll_data pll1_data = {
  39         .num       = 1,
  40         .phys_base = DAVINCI_PLL1_BASE,
  41 };
  42
  43 static struct pll_data pll2_data = {
  44         .num       = 2,
  45         .phys_base = DAVINCI_PLL2_BASE,
  46 };
  47
  48 static struct clk ref_clk = {
  49         .name = "ref_clk",
  50         .rate = DM644X_REF_FREQ,
  51 };
  52
  53 static struct clk pll1_clk = {
  54         .name = "pll1",
  55         .parent = &ref_clk,
  56         .pll_data = &pll1_data,
  57         .flags = CLK_PLL,
  58 };
  59
  60 static struct clk pll1_sysclk1 = {
  61         .name = "pll1_sysclk1",
  62         .parent = &pll1_clk,
  63         .flags = CLK_PLL,
  64         .div_reg = PLLDIV1,
  65 };
  66
  67 static struct clk pll1_sysclk2 = {
  68         .name = "pll1_sysclk2",
  69         .parent = &pll1_clk,
  70         .flags = CLK_PLL,
  71         .div_reg = PLLDIV2,
  72 };
  73
  74 static struct clk pll1_sysclk3 = {
  75         .name = "pll1_sysclk3",
  76         .parent = &pll1_clk,
  77         .flags = CLK_PLL,
  78         .div_reg = PLLDIV3,
  79 };
  80
  81 static struct clk pll1_sysclk5 = {
  82         .name = "pll1_sysclk5",
  83         .parent = &pll1_clk,
  84         .flags = CLK_PLL,
  85         .div_reg = PLLDIV5,
  86 };
  87
  88 static struct clk pll1_aux_clk = {
  89         .name = "pll1_aux_clk",
  90         .parent = &pll1_clk,
  91         .flags = CLK_PLL | PRE_PLL,
  92 };
  93
  94 static struct clk pll1_sysclkbp = {
  95         .name = "pll1_sysclkbp",
  96         .parent = &pll1_clk,
  97         .flags = CLK_PLL | PRE_PLL,
  98         .div_reg = BPDIV
  99 };
 100
 101 static struct clk pll2_clk = {
 102         .name = "pll2",
 103         .parent = &ref_clk,
 104         .pll_data = &pll2_data,
 105         .flags = CLK_PLL,
 106 };
 107
 108 static struct clk pll2_sysclk1 = {
 109         .name = "pll2_sysclk1",
 110         .parent = &pll2_clk,
 111         .flags = CLK_PLL,
 112         .div_reg = PLLDIV1,
 113 };
 114
 115 static struct clk pll2_sysclk2 = {
 116         .name = "pll2_sysclk2",
 117         .parent = &pll2_clk,
 118         .flags = CLK_PLL,
 119         .div_reg = PLLDIV2,
 120 };
 121
 122 static struct clk pll2_sysclkbp = {
 123         .name = "pll2_sysclkbp",
 124         .parent = &pll2_clk,
 125         .flags = CLK_PLL | PRE_PLL,
 126         .div_reg = BPDIV
 127 };
 128
 129 static struct clk dsp_clk = {
 130         .name = "dsp",
 131         .parent = &pll1_sysclk1,
 132         .lpsc = DAVINCI_LPSC_GEM,
 133         .flags = PSC_DSP,
 134         .usecount = 1,                  /* REVISIT how to disable? */
 135 };
 136
 137 static struct clk arm_clk = {
 138         .name = "arm",
 139         .parent = &pll1_sysclk2,
 140         .lpsc = DAVINCI_LPSC_ARM,
 141         .flags = ALWAYS_ENABLED,
 142 };
 143
 144 static struct clk vicp_clk = {
 145         .name = "vicp",
 146         .parent = &pll1_sysclk2,
 147         .lpsc = DAVINCI_LPSC_IMCOP,
 148         .flags = PSC_DSP,
 149         .usecount = 1,                  /* REVISIT how to disable? */
 150 };
 151
 152 static struct clk vpss_master_clk = {
 153         .name = "vpss_master",
 154         .parent = &pll1_sysclk3,
 155         .lpsc = DAVINCI_LPSC_VPSSMSTR,
 156         .flags = CLK_PSC,
 157 };
 158
 159 static struct clk vpss_slave_clk = {
 160         .name = "vpss_slave",
 161         .parent = &pll1_sysclk3,
 162         .lpsc = DAVINCI_LPSC_VPSSSLV,
 163 };
 164
 165 static struct clk uart0_clk = {
 166         .name = "uart0",
 167         .parent = &pll1_aux_clk,
 168         .lpsc = DAVINCI_LPSC_UART0,
 169 };
 170
 171 static struct clk uart1_clk = {
 172         .name = "uart1",
 173         .parent = &pll1_aux_clk,
 174         .lpsc = DAVINCI_LPSC_UART1,
 175 };
 176
 177 static struct clk uart2_clk = {
 178         .name = "uart2",
 179         .parent = &pll1_aux_clk,
 180         .lpsc = DAVINCI_LPSC_UART2,
 181 };
 182
 183 static struct clk emac_clk = {
 184         .name = "emac",
 185         .parent = &pll1_sysclk5,
 186         .lpsc = DAVINCI_LPSC_EMAC_WRAPPER,
 187 };
 188
 189 static struct clk i2c_clk = {
 190         .name = "i2c",
 191         .parent = &pll1_aux_clk,
 192         .lpsc = DAVINCI_LPSC_I2C,
 193 };
 194
 195 static struct clk ide_clk = {
 196         .name = "ide",
 197         .parent = &pll1_sysclk5,
 198         .lpsc = DAVINCI_LPSC_ATA,
 199 };
 200
 201 static struct clk asp_clk = {
 202         .name = "asp0",
 203         .parent = &pll1_sysclk5,
 204         .lpsc = DAVINCI_LPSC_McBSP,
 205 };
 206
 207 static struct clk mmcsd_clk = {
 208         .name = "mmcsd",
 209         .parent = &pll1_sysclk5,
 210         .lpsc = DAVINCI_LPSC_MMC_SD,
 211 };
 212
 213 static struct clk spi_clk = {
 214         .name = "spi",
 215         .parent = &pll1_sysclk5,
 216         .lpsc = DAVINCI_LPSC_SPI,
 217 };
 218
 219 static struct clk gpio_clk = {
 220         .name = "gpio",
 221         .parent = &pll1_sysclk5,
 222         .lpsc = DAVINCI_LPSC_GPIO,
 223 };
 224
 225 static struct clk usb_clk = {
 226         .name = "usb",
 227         .parent = &pll1_sysclk5,
 228         .lpsc = DAVINCI_LPSC_USB,
 229 };
 230
 231 static struct clk vlynq_clk = {
 232         .name = "vlynq",
 233         .parent = &pll1_sysclk5,
 234         .lpsc = DAVINCI_LPSC_VLYNQ,
 235 };
 236
 237 static struct clk aemif_clk = {
 238         .name = "aemif",
 239         .parent = &pll1_sysclk5,
 240         .lpsc = DAVINCI_LPSC_AEMIF,
 241 };
 242
 243 static struct clk pwm0_clk = {
 244         .name = "pwm0",
 245         .parent = &pll1_aux_clk,
 246         .lpsc = DAVINCI_LPSC_PWM0,
 247 };
 248
 249 static struct clk pwm1_clk = {
 250         .name = "pwm1",
 251         .parent = &pll1_aux_clk,
 252         .lpsc = DAVINCI_LPSC_PWM1,
 253 };
 254
 255 static struct clk pwm2_clk = {
 256         .name = "pwm2",
 257         .parent = &pll1_aux_clk,
 258         .lpsc = DAVINCI_LPSC_PWM2,
 259 };
 260
 261 static struct clk timer0_clk = {
 262         .name = "timer0",
 263         .parent = &pll1_aux_clk,
 264         .lpsc = DAVINCI_LPSC_TIMER0,
 265 };
 266
 267 static struct clk timer1_clk = {
 268         .name = "timer1",
 269         .parent = &pll1_aux_clk,
 270         .lpsc = DAVINCI_LPSC_TIMER1,
 271 };
 272
 273 static struct clk timer2_clk = {
 274         .name = "timer2",
 275         .parent = &pll1_aux_clk,
 276         .lpsc = DAVINCI_LPSC_TIMER2,
 277         .usecount = 1,              /* REVISIT: why cant' this be disabled? */
 278 };
 279
 280 static struct clk_lookup dm644x_clks[] = {
 281         CLK(NULL, "ref", &ref_clk),
 282         CLK(NULL, "pll1", &pll1_clk),
 283         CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
 284         CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
 285         CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
 286         CLK(NULL, "pll1_sysclk5", &pll1_sysclk5),
 287         CLK(NULL, "pll1_aux", &pll1_aux_clk),
 288         CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
 289         CLK(NULL, "pll2", &pll2_clk),
 290         CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
 291         CLK(NULL, "pll2_sysclk2", &pll2_sysclk2),
 292         CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp),
 293         CLK(NULL, "dsp", &dsp_clk),
 294         CLK(NULL, "arm", &arm_clk),
 295         CLK(NULL, "vicp", &vicp_clk),
 296         CLK(NULL, "vpss_master", &vpss_master_clk),
 297         CLK(NULL, "vpss_slave", &vpss_slave_clk),
 298         CLK(NULL, "arm", &arm_clk),
 299         CLK(NULL, "uart0", &uart0_clk),
 300         CLK(NULL, "uart1", &uart1_clk),
 301         CLK(NULL, "uart2", &uart2_clk),
 302         CLK("davinci_emac.1", NULL, &emac_clk),
 303         CLK("i2c_davinci.1", NULL, &i2c_clk),
 304         CLK("palm_bk3710", NULL, &ide_clk),
 305         CLK("davinci-asp", NULL, &asp_clk),
 306         CLK("davinci_mmc.0", NULL, &mmcsd_clk),
 307         CLK(NULL, "spi", &spi_clk),
 308         CLK(NULL, "gpio", &gpio_clk),
 309         CLK(NULL, "usb", &usb_clk),
 310         CLK(NULL, "vlynq", &vlynq_clk),
 311         CLK(NULL, "aemif", &aemif_clk),
 312         CLK(NULL, "pwm0", &pwm0_clk),
 313         CLK(NULL, "pwm1", &pwm1_clk),
 314         CLK(NULL, "pwm2", &pwm2_clk),
 315         CLK(NULL, "timer0", &timer0_clk),
 316         CLK(NULL, "timer1", &timer1_clk),
 317         CLK("watchdog", NULL, &timer2_clk),
 318         CLK(NULL, NULL, NULL),
 319 };
 320
 321 static struct emac_platform_data dm644x_emac_pdata = {
 322         .ctrl_reg_offset        = DM644X_EMAC_CNTRL_OFFSET,
 323         .ctrl_mod_reg_offset    = DM644X_EMAC_CNTRL_MOD_OFFSET,
 324         .ctrl_ram_offset        = DM644X_EMAC_CNTRL_RAM_OFFSET,
 325         .mdio_reg_offset        = DM644X_EMAC_MDIO_OFFSET,
 326         .ctrl_ram_size          = DM644X_EMAC_CNTRL_RAM_SIZE,
 327         .version                = EMAC_VERSION_1,
 328 };
 329
 330 static struct resource dm644x_emac_resources[] = {
 331         {
 332                 .start  = DM644X_EMAC_BASE,
 333                 .end    = DM644X_EMAC_BASE + 0x47ff,
 334                 .flags  = IORESOURCE_MEM,
 335         },
 336         {
 337                 .start = IRQ_EMACINT,
 338                 .end   = IRQ_EMACINT,
 339                 .flags = IORESOURCE_IRQ,
 340         },
 341 };
 342
 343 static struct platform_device dm644x_emac_device = {
 344        .name            = "davinci_emac",
 345        .id              = 1,
 346        .dev = {
 347                .platform_data   = &dm644x_emac_pdata,
 348        },
 349        .num_resources   = ARRAY_SIZE(dm644x_emac_resources),
 350        .resource        = dm644x_emac_resources,
 351 };
 352
 353 /*
 354  * Device specific mux setup
 355  *
 356  *      soc     description     mux  mode   mode  mux    dbg
 357  *                              reg  offset mask  mode
 358  */
 359 static const struct mux_config dm644x_pins[] = {
 360 #ifdef CONFIG_DAVINCI_MUX
 361 MUX_CFG(DM644X, HDIREN,         0,   16,    1,    1,     true)
 362 MUX_CFG(DM644X, ATAEN,          0,   17,    1,    1,     true)
 363 MUX_CFG(DM644X, ATAEN_DISABLE,  0,   17,    1,    0,     true)
 364
 365 MUX_CFG(DM644X, HPIEN_DISABLE,  0,   29,    1,    0,     true)
 366
 367 MUX_CFG(DM644X, AEAW,           0,   0,     31,   31,    true)
 368 MUX_CFG(DM644X, AEAW0,          0,   0,     1,    0,     true)
 369 MUX_CFG(DM644X, AEAW1,          0,   1,     1,    0,     true)
 370 MUX_CFG(DM644X, AEAW2,          0,   2,     1,    0,     true)
 371 MUX_CFG(DM644X, AEAW3,          0,   3,     1,    0,     true)
 372 MUX_CFG(DM644X, AEAW4,          0,   4,     1,    0,     true)
 373
 374 MUX_CFG(DM644X, MSTK,           1,   9,     1,    0,     false)
 375
 376 MUX_CFG(DM644X, I2C,            1,   7,     1,    1,     false)
 377
 378 MUX_CFG(DM644X, MCBSP,          1,   10,    1,    1,     false)
 379
 380 MUX_CFG(DM644X, UART1,          1,   1,     1,    1,     true)
 381 MUX_CFG(DM644X, UART2,          1,   2,     1,    1,     true)
 382
 383 MUX_CFG(DM644X, PWM0,           1,   4,     1,    1,     false)
 384
 385 MUX_CFG(DM644X, PWM1,           1,   5,     1,    1,     false)
 386
 387 MUX_CFG(DM644X, PWM2,           1,   6,     1,    1,     false)
 388
 389 MUX_CFG(DM644X, VLYNQEN,        0,   15,    1,    1,     false)
 390 MUX_CFG(DM644X, VLSCREN,        0,   14,    1,    1,     false)
 391 MUX_CFG(DM644X, VLYNQWD,        0,   12,    3,    3,     false)
 392
 393 MUX_CFG(DM644X, EMACEN,         0,   31,    1,    1,     true)
 394
 395 MUX_CFG(DM644X, GPIO3V,         0,   31,    1,    0,     true)
 396
 397 MUX_CFG(DM644X, GPIO0,          0,   24,    1,    0,     true)
 398 MUX_CFG(DM644X, GPIO3,          0,   25,    1,    0,     false)
 399 MUX_CFG(DM644X, GPIO43_44,      1,   7,     1,    0,     false)
 400 MUX_CFG(DM644X, GPIO46_47,      0,   22,    1,    0,     true)
 401
 402 MUX_CFG(DM644X, RGB666,         0,   22,    1,    1,     true)
 403
 404 MUX_CFG(DM644X, LOEEN,          0,   24,    1,    1,     true)
 405 MUX_CFG(DM644X, LFLDEN,         0,   25,    1,    1,     false)
 406 #endif
 407 };
 408
 409 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
 410 static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 411         [IRQ_VDINT0]            = 2,
 412         [IRQ_VDINT1]            = 6,
 413         [IRQ_VDINT2]            = 6,
 414         [IRQ_HISTINT]           = 6,
 415         [IRQ_H3AINT]            = 6,
 416         [IRQ_PRVUINT]           = 6,
 417         [IRQ_RSZINT]            = 6,
 418         [7]                     = 7,
 419         [IRQ_VENCINT]           = 6,
 420         [IRQ_ASQINT]            = 6,
 421         [IRQ_IMXINT]            = 6,
 422         [IRQ_VLCDINT]           = 6,
 423         [IRQ_USBINT]            = 4,
 424         [IRQ_EMACINT]           = 4,
 425         [14]                    = 7,
 426         [15]                    = 7,
 427         [IRQ_CCINT0]            = 5,    /* dma */
 428         [IRQ_CCERRINT]          = 5,    /* dma */
 429         [IRQ_TCERRINT0]         = 5,    /* dma */
 430         [IRQ_TCERRINT]          = 5,    /* dma */
 431         [IRQ_PSCIN]             = 7,
 432         [21]                    = 7,
 433         [IRQ_IDE]               = 4,
 434         [23]                    = 7,
 435         [IRQ_MBXINT]            = 7,
 436         [IRQ_MBRINT]            = 7,
 437         [IRQ_MMCINT]            = 7,
 438         [IRQ_SDIOINT]           = 7,
 439         [28]                    = 7,
 440         [IRQ_DDRINT]            = 7,
 441         [IRQ_AEMIFINT]          = 7,
 442         [IRQ_VLQINT]            = 4,
 443         [IRQ_TINT0_TINT12]      = 2,    /* clockevent */
 444         [IRQ_TINT0_TINT34]      = 2,    /* clocksource */
 445         [IRQ_TINT1_TINT12]      = 7,    /* DSP timer */
 446         [IRQ_TINT1_TINT34]      = 7,    /* system tick */
 447         [IRQ_PWMINT0]           = 7,
 448         [IRQ_PWMINT1]           = 7,
 449         [IRQ_PWMINT2]           = 7,
 450         [IRQ_I2C]               = 3,
 451         [IRQ_UARTINT0]          = 3,
 452         [IRQ_UARTINT1]          = 3,
 453         [IRQ_UARTINT2]          = 3,
 454         [IRQ_SPINT0]            = 3,
 455         [IRQ_SPINT1]            = 3,
 456         [45]                    = 7,
 457         [IRQ_DSP2ARM0]          = 4,
 458         [IRQ_DSP2ARM1]          = 4,
 459         [IRQ_GPIO0]             = 7,
 460         [IRQ_GPIO1]             = 7,
 461         [IRQ_GPIO2]             = 7,
 462         [IRQ_GPIO3]             = 7,
 463         [IRQ_GPIO4]             = 7,
 464         [IRQ_GPIO5]             = 7,
 465         [IRQ_GPIO6]             = 7,
 466         [IRQ_GPIO7]             = 7,
 467         [IRQ_GPIOBNK0]          = 7,
 468         [IRQ_GPIOBNK1]          = 7,
 469         [IRQ_GPIOBNK2]          = 7,
 470         [IRQ_GPIOBNK3]          = 7,
 471         [IRQ_GPIOBNK4]          = 7,
 472         [IRQ_COMMTX]            = 7,
 473         [IRQ_COMMRX]            = 7,
 474         [IRQ_EMUINT]            = 7,
 475 };
 476
 477 /*----------------------------------------------------------------------*/
 478
 479 static const s8
 480 queue_tc_mapping[][2] = {
 481         /* {event queue no, TC no} */
 482         {0, 0},
 483         {1, 1},
 484         {-1, -1},
 485 };
 486
 487 static const s8
 488 queue_priority_mapping[][2] = {
 489         /* {event queue no, Priority} */
 490         {0, 3},
 491         {1, 7},
 492         {-1, -1},
 493 };
 494
 495 static struct edma_soc_info dm644x_edma_info[] = {
 496         {
 497                 .n_channel              = 64,
 498                 .n_region               = 4,
 499                 .n_slot                 = 128,
 500                 .n_tc                   = 2,
 501                 .n_cc                   = 1,
 502                 .queue_tc_mapping       = queue_tc_mapping,
 503                 .queue_priority_mapping = queue_priority_mapping,
 504         },
 505 };
 506
 507 static struct resource edma_resources[] = {
 508         {
 509                 .name   = "edma_cc0",
 510                 .start  = 0x01c00000,
 511                 .end    = 0x01c00000 + SZ_64K - 1,
 512                 .flags  = IORESOURCE_MEM,
 513         },
 514         {
 515                 .name   = "edma_tc0",
 516                 .start  = 0x01c10000,
 517                 .end    = 0x01c10000 + SZ_1K - 1,
 518                 .flags  = IORESOURCE_MEM,
 519         },
 520         {
 521                 .name   = "edma_tc1",
 522                 .start  = 0x01c10400,
 523                 .end    = 0x01c10400 + SZ_1K - 1,
 524                 .flags  = IORESOURCE_MEM,
 525         },
 526         {
 527                 .name   = "edma0",
 528                 .start  = IRQ_CCINT0,
 529                 .flags  = IORESOURCE_IRQ,
 530         },
 531         {
 532                 .name   = "edma0_err",
 533                 .start  = IRQ_CCERRINT,
 534                 .flags  = IORESOURCE_IRQ,
 535         },
 536         /* not using TC*_ERR */
 537 };
 538
 539 static struct platform_device dm644x_edma_device = {
 540         .name                   = "edma",
 541         .id                     = 0,
 542         .dev.platform_data      = dm644x_edma_info,
 543         .num_resources          = ARRAY_SIZE(edma_resources),
 544         .resource               = edma_resources,
 545 };
 546
 547 /* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
 548 static struct resource dm644x_asp_resources[] = {
 549         {
 550                 .start  = DAVINCI_ASP0_BASE,
 551                 .end    = DAVINCI_ASP0_BASE + SZ_8K - 1,
 552                 .flags  = IORESOURCE_MEM,
 553         },
 554         {
 555                 .start  = DAVINCI_DMA_ASP0_TX,
 556                 .end    = DAVINCI_DMA_ASP0_TX,
 557                 .flags  = IORESOURCE_DMA,
 558         },
 559         {
 560                 .start  = DAVINCI_DMA_ASP0_RX,
 561                 .end    = DAVINCI_DMA_ASP0_RX,
 562                 .flags  = IORESOURCE_DMA,
 563         },
 564 };
 565
 566 static struct platform_device dm644x_asp_device = {
 567         .name           = "davinci-asp",
 568         .id             = -1,
 569         .num_resources  = ARRAY_SIZE(dm644x_asp_resources),
 570         .resource       = dm644x_asp_resources,
 571 };
 572
 573 static struct resource dm644x_vpss_resources[] = {
 574         {
 575                 /* VPSS Base address */
 576                 .name           = "vpss",
 577                 .start          = 0x01c73400,
 578                 .end            = 0x01c73400 + 0xff,
 579                 .flags          = IORESOURCE_MEM,
 580         },
 581 };
 582
 583 static struct platform_device dm644x_vpss_device = {
 584         .name                   = "vpss",
 585         .id                     = -1,
 586         .dev.platform_data      = "dm644x_vpss",
 587         .num_resources          = ARRAY_SIZE(dm644x_vpss_resources),
 588         .resource               = dm644x_vpss_resources,
 589 };
 590
 591 static struct resource vpfe_resources[] = {
 592         {
 593                 .start          = IRQ_VDINT0,
 594                 .end            = IRQ_VDINT0,
 595                 .flags          = IORESOURCE_IRQ,
 596         },
 597         {
 598                 .start          = IRQ_VDINT1,
 599                 .end            = IRQ_VDINT1,
 600                 .flags          = IORESOURCE_IRQ,
 601         },
 602 };
 603
 604 static u64 vpfe_capture_dma_mask = DMA_BIT_MASK(32);
 605 static struct resource dm644x_ccdc_resource[] = {
 606         /* CCDC Base address */
 607         {
 608                 .start          = 0x01c70400,
 609                 .end            = 0x01c70400 + 0xff,
 610                 .flags          = IORESOURCE_MEM,
 611         },
 612 };
 613
 614 static struct platform_device dm644x_ccdc_dev = {
 615         .name           = "dm644x_ccdc",
 616         .id             = -1,
 617         .num_resources  = ARRAY_SIZE(dm644x_ccdc_resource),
 618         .resource       = dm644x_ccdc_resource,
 619         .dev = {
 620                 .dma_mask               = &vpfe_capture_dma_mask,
 621                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 622         },
 623 };
 624
 625 static struct platform_device vpfe_capture_dev = {
 626         .name           = CAPTURE_DRV_NAME,
 627         .id             = -1,
 628         .num_resources  = ARRAY_SIZE(vpfe_resources),
 629         .resource       = vpfe_resources,
 630         .dev = {
 631                 .dma_mask               = &vpfe_capture_dma_mask,
 632                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 633         },
 634 };
 635
 636 void dm644x_set_vpfe_config(struct vpfe_config *cfg)
 637 {
 638         vpfe_capture_dev.dev.platform_data = cfg;
 639 }
 640
 641 /*----------------------------------------------------------------------*/
 642
 643 static struct map_desc dm644x_io_desc[] = {
 644         {
 645                 .virtual        = IO_VIRT,
 646                 .pfn            = __phys_to_pfn(IO_PHYS),
 647                 .length         = IO_SIZE,
 648                 .type           = MT_DEVICE
 649         },
 650         {
 651                 .virtual        = SRAM_VIRT,
 652                 .pfn            = __phys_to_pfn(0x00008000),
 653                 .length         = SZ_16K,
 654                 /* MT_MEMORY_NONCACHED requires supersection alignment */
 655                 .type           = MT_DEVICE,
 656         },
 657 };
 658
 659 /* Contents of JTAG ID register used to identify exact cpu type */
 660 static struct davinci_id dm644x_ids[] = {
 661         {
 662                 .variant        = 0x0,
 663                 .part_no        = 0xb700,
 664                 .manufacturer   = 0x017,
 665                 .cpu_id         = DAVINCI_CPU_ID_DM6446,
 666                 .name           = "dm6446",
 667         },
 668         {
 669                 .variant        = 0x1,
 670                 .part_no        = 0xb700,
 671                 .manufacturer   = 0x017,
 672                 .cpu_id         = DAVINCI_CPU_ID_DM6446,
 673                 .name           = "dm6446a",
 674         },
 675 };
 676
 677 static void __iomem *dm644x_psc_bases[] = {
 678         IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE),
 679 };
 680
 681 /*
 682  * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
 683  * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
 684  * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
 685  * T1_TOP: Timer 1, top   :  <unused>
 686  */
 687 static struct davinci_timer_info dm644x_timer_info = {
 688         .timers         = davinci_timer_instance,
 689         .clockevent_id  = T0_BOT,
 690         .clocksource_id = T0_TOP,
 691 };
 692
 693 static struct plat_serial8250_port dm644x_serial_platform_data[] = {
 694         {
 695                 .mapbase        = DAVINCI_UART0_BASE,
 696                 .irq            = IRQ_UARTINT0,
 697                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 698                                   UPF_IOREMAP,
 699                 .iotype         = UPIO_MEM,
 700                 .regshift       = 2,
 701         },
 702         {
 703                 .mapbase        = DAVINCI_UART1_BASE,
 704                 .irq            = IRQ_UARTINT1,
 705                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 706                                   UPF_IOREMAP,
 707                 .iotype         = UPIO_MEM,
 708                 .regshift       = 2,
 709         },
 710         {
 711                 .mapbase        = DAVINCI_UART2_BASE,
 712                 .irq            = IRQ_UARTINT2,
 713                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 714                                   UPF_IOREMAP,
 715                 .iotype         = UPIO_MEM,
 716                 .regshift       = 2,
 717         },
 718         {
 719                 .flags          = 0
 720         },
 721 };
 722
 723 static struct platform_device dm644x_serial_device = {
 724         .name                   = "serial8250",
 725         .id                     = PLAT8250_DEV_PLATFORM,
 726         .dev                    = {
 727                 .platform_data  = dm644x_serial_platform_data,
 728         },
 729 };
 730
 731 static struct davinci_soc_info davinci_soc_info_dm644x = {
 732         .io_desc                = dm644x_io_desc,
 733         .io_desc_num            = ARRAY_SIZE(dm644x_io_desc),
 734         .jtag_id_reg            = 0x01c40028,
 735         .ids                    = dm644x_ids,
 736         .ids_num                = ARRAY_SIZE(dm644x_ids),
 737         .cpu_clks               = dm644x_clks,
 738         .psc_bases              = dm644x_psc_bases,
 739         .psc_bases_num          = ARRAY_SIZE(dm644x_psc_bases),
 740         .pinmux_base            = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE),
 741         .pinmux_pins            = dm644x_pins,
 742         .pinmux_pins_num        = ARRAY_SIZE(dm644x_pins),
 743         .intc_base              = IO_ADDRESS(DAVINCI_ARM_INTC_BASE),
 744         .intc_type              = DAVINCI_INTC_TYPE_AINTC,
 745         .intc_irq_prios         = dm644x_default_priorities,
 746         .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
 747         .timer_info             = &dm644x_timer_info,
 748         .gpio_type              = GPIO_TYPE_DAVINCI,
 749         .gpio_base              = DAVINCI_GPIO_BASE,
 750         .gpio_num               = 71,
 751         .gpio_irq               = IRQ_GPIOBNK0,
 752         .serial_dev             = &dm644x_serial_device,
 753         .emac_pdata             = &dm644x_emac_pdata,
 754         .sram_dma               = 0x00008000,
 755         .sram_len               = SZ_16K,
 756         .reset_device           = &davinci_wdt_device,
 757 };
 758
 759 void __init dm644x_init_asp(struct snd_platform_data *pdata)
 760 {
 761         davinci_cfg_reg(DM644X_MCBSP);
 762         dm644x_asp_device.dev.platform_data = pdata;
 763         platform_device_register(&dm644x_asp_device);
 764 }
 765
 766 void __init dm644x_init(void)
 767 {
 768         davinci_common_init(&davinci_soc_info_dm644x);
 769 }
 770
 771 static int __init dm644x_init_devices(void)
 772 {
 773         if (!cpu_is_davinci_dm644x())
 774                 return 0;
 775
 776         /* Add ccdc clock aliases */
 777         clk_add_alias("master", dm644x_ccdc_dev.name, "vpss_master", NULL);
 778         clk_add_alias("slave", dm644x_ccdc_dev.name, "vpss_slave", NULL);
 779         platform_device_register(&dm644x_edma_device);
 780         platform_device_register(&dm644x_emac_device);
 781         platform_device_register(&dm644x_vpss_device);
 782         platform_device_register(&dm644x_ccdc_dev);
 783         platform_device_register(&vpfe_capture_dev);
 784
 785         return 0;
 786 }
 787 postcore_initcall(dm644x_init_devices);