linux/arch/arm/mach-davinci/dm644x.c
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   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/platform_data/edma.h>
  16#include <linux/platform_data/gpio-davinci.h>
  17
  18#include <asm/mach/map.h>
  19
  20#include <mach/cputype.h>
  21#include <mach/irqs.h>
  22#include <mach/psc.h>
  23#include <mach/mux.h>
  24#include <mach/time.h>
  25#include <mach/serial.h>
  26#include <mach/common.h>
  27
  28#include "davinci.h"
  29#include "clock.h"
  30#include "mux.h"
  31#include "asp.h"
  32
  33/*
  34 * Device specific clocks
  35 */
  36#define DM644X_REF_FREQ         27000000
  37
  38#define DM644X_EMAC_BASE                0x01c80000
  39#define DM644X_EMAC_MDIO_BASE           (DM644X_EMAC_BASE + 0x4000)
  40#define DM644X_EMAC_CNTRL_OFFSET        0x0000
  41#define DM644X_EMAC_CNTRL_MOD_OFFSET    0x1000
  42#define DM644X_EMAC_CNTRL_RAM_OFFSET    0x2000
  43#define DM644X_EMAC_CNTRL_RAM_SIZE      0x2000
  44
  45static struct pll_data pll1_data = {
  46        .num       = 1,
  47        .phys_base = DAVINCI_PLL1_BASE,
  48};
  49
  50static struct pll_data pll2_data = {
  51        .num       = 2,
  52        .phys_base = DAVINCI_PLL2_BASE,
  53};
  54
  55static struct clk ref_clk = {
  56        .name = "ref_clk",
  57        .rate = DM644X_REF_FREQ,
  58};
  59
  60static struct clk pll1_clk = {
  61        .name = "pll1",
  62        .parent = &ref_clk,
  63        .pll_data = &pll1_data,
  64        .flags = CLK_PLL,
  65};
  66
  67static struct clk pll1_sysclk1 = {
  68        .name = "pll1_sysclk1",
  69        .parent = &pll1_clk,
  70        .flags = CLK_PLL,
  71        .div_reg = PLLDIV1,
  72};
  73
  74static struct clk pll1_sysclk2 = {
  75        .name = "pll1_sysclk2",
  76        .parent = &pll1_clk,
  77        .flags = CLK_PLL,
  78        .div_reg = PLLDIV2,
  79};
  80
  81static struct clk pll1_sysclk3 = {
  82        .name = "pll1_sysclk3",
  83        .parent = &pll1_clk,
  84        .flags = CLK_PLL,
  85        .div_reg = PLLDIV3,
  86};
  87
  88static struct clk pll1_sysclk5 = {
  89        .name = "pll1_sysclk5",
  90        .parent = &pll1_clk,
  91        .flags = CLK_PLL,
  92        .div_reg = PLLDIV5,
  93};
  94
  95static struct clk pll1_aux_clk = {
  96        .name = "pll1_aux_clk",
  97        .parent = &pll1_clk,
  98        .flags = CLK_PLL | PRE_PLL,
  99};
 100
 101static struct clk pll1_sysclkbp = {
 102        .name = "pll1_sysclkbp",
 103        .parent = &pll1_clk,
 104        .flags = CLK_PLL | PRE_PLL,
 105        .div_reg = BPDIV
 106};
 107
 108static struct clk pll2_clk = {
 109        .name = "pll2",
 110        .parent = &ref_clk,
 111        .pll_data = &pll2_data,
 112        .flags = CLK_PLL,
 113};
 114
 115static struct clk pll2_sysclk1 = {
 116        .name = "pll2_sysclk1",
 117        .parent = &pll2_clk,
 118        .flags = CLK_PLL,
 119        .div_reg = PLLDIV1,
 120};
 121
 122static struct clk pll2_sysclk2 = {
 123        .name = "pll2_sysclk2",
 124        .parent = &pll2_clk,
 125        .flags = CLK_PLL,
 126        .div_reg = PLLDIV2,
 127};
 128
 129static struct clk pll2_sysclkbp = {
 130        .name = "pll2_sysclkbp",
 131        .parent = &pll2_clk,
 132        .flags = CLK_PLL | PRE_PLL,
 133        .div_reg = BPDIV
 134};
 135
 136static struct clk dsp_clk = {
 137        .name = "dsp",
 138        .parent = &pll1_sysclk1,
 139        .lpsc = DAVINCI_LPSC_GEM,
 140        .domain = DAVINCI_GPSC_DSPDOMAIN,
 141        .usecount = 1,                  /* REVISIT how to disable? */
 142};
 143
 144static struct clk arm_clk = {
 145        .name = "arm",
 146        .parent = &pll1_sysclk2,
 147        .lpsc = DAVINCI_LPSC_ARM,
 148        .flags = ALWAYS_ENABLED,
 149};
 150
 151static struct clk vicp_clk = {
 152        .name = "vicp",
 153        .parent = &pll1_sysclk2,
 154        .lpsc = DAVINCI_LPSC_IMCOP,
 155        .domain = DAVINCI_GPSC_DSPDOMAIN,
 156        .usecount = 1,                  /* REVISIT how to disable? */
 157};
 158
 159static struct clk vpss_master_clk = {
 160        .name = "vpss_master",
 161        .parent = &pll1_sysclk3,
 162        .lpsc = DAVINCI_LPSC_VPSSMSTR,
 163        .flags = CLK_PSC,
 164};
 165
 166static struct clk vpss_slave_clk = {
 167        .name = "vpss_slave",
 168        .parent = &pll1_sysclk3,
 169        .lpsc = DAVINCI_LPSC_VPSSSLV,
 170};
 171
 172static struct clk uart0_clk = {
 173        .name = "uart0",
 174        .parent = &pll1_aux_clk,
 175        .lpsc = DAVINCI_LPSC_UART0,
 176};
 177
 178static struct clk uart1_clk = {
 179        .name = "uart1",
 180        .parent = &pll1_aux_clk,
 181        .lpsc = DAVINCI_LPSC_UART1,
 182};
 183
 184static struct clk uart2_clk = {
 185        .name = "uart2",
 186        .parent = &pll1_aux_clk,
 187        .lpsc = DAVINCI_LPSC_UART2,
 188};
 189
 190static struct clk emac_clk = {
 191        .name = "emac",
 192        .parent = &pll1_sysclk5,
 193        .lpsc = DAVINCI_LPSC_EMAC_WRAPPER,
 194};
 195
 196static struct clk i2c_clk = {
 197        .name = "i2c",
 198        .parent = &pll1_aux_clk,
 199        .lpsc = DAVINCI_LPSC_I2C,
 200};
 201
 202static struct clk ide_clk = {
 203        .name = "ide",
 204        .parent = &pll1_sysclk5,
 205        .lpsc = DAVINCI_LPSC_ATA,
 206};
 207
 208static struct clk asp_clk = {
 209        .name = "asp0",
 210        .parent = &pll1_sysclk5,
 211        .lpsc = DAVINCI_LPSC_McBSP,
 212};
 213
 214static struct clk mmcsd_clk = {
 215        .name = "mmcsd",
 216        .parent = &pll1_sysclk5,
 217        .lpsc = DAVINCI_LPSC_MMC_SD,
 218};
 219
 220static struct clk spi_clk = {
 221        .name = "spi",
 222        .parent = &pll1_sysclk5,
 223        .lpsc = DAVINCI_LPSC_SPI,
 224};
 225
 226static struct clk gpio_clk = {
 227        .name = "gpio",
 228        .parent = &pll1_sysclk5,
 229        .lpsc = DAVINCI_LPSC_GPIO,
 230};
 231
 232static struct clk usb_clk = {
 233        .name = "usb",
 234        .parent = &pll1_sysclk5,
 235        .lpsc = DAVINCI_LPSC_USB,
 236};
 237
 238static struct clk vlynq_clk = {
 239        .name = "vlynq",
 240        .parent = &pll1_sysclk5,
 241        .lpsc = DAVINCI_LPSC_VLYNQ,
 242};
 243
 244static struct clk aemif_clk = {
 245        .name = "aemif",
 246        .parent = &pll1_sysclk5,
 247        .lpsc = DAVINCI_LPSC_AEMIF,
 248};
 249
 250static struct clk pwm0_clk = {
 251        .name = "pwm0",
 252        .parent = &pll1_aux_clk,
 253        .lpsc = DAVINCI_LPSC_PWM0,
 254};
 255
 256static struct clk pwm1_clk = {
 257        .name = "pwm1",
 258        .parent = &pll1_aux_clk,
 259        .lpsc = DAVINCI_LPSC_PWM1,
 260};
 261
 262static struct clk pwm2_clk = {
 263        .name = "pwm2",
 264        .parent = &pll1_aux_clk,
 265        .lpsc = DAVINCI_LPSC_PWM2,
 266};
 267
 268static struct clk timer0_clk = {
 269        .name = "timer0",
 270        .parent = &pll1_aux_clk,
 271        .lpsc = DAVINCI_LPSC_TIMER0,
 272};
 273
 274static struct clk timer1_clk = {
 275        .name = "timer1",
 276        .parent = &pll1_aux_clk,
 277        .lpsc = DAVINCI_LPSC_TIMER1,
 278};
 279
 280static struct clk timer2_clk = {
 281        .name = "timer2",
 282        .parent = &pll1_aux_clk,
 283        .lpsc = DAVINCI_LPSC_TIMER2,
 284        .usecount = 1,              /* REVISIT: why can't this be disabled? */
 285};
 286
 287static struct clk_lookup dm644x_clks[] = {
 288        CLK(NULL, "ref", &ref_clk),
 289        CLK(NULL, "pll1", &pll1_clk),
 290        CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
 291        CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
 292        CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
 293        CLK(NULL, "pll1_sysclk5", &pll1_sysclk5),
 294        CLK(NULL, "pll1_aux", &pll1_aux_clk),
 295        CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
 296        CLK(NULL, "pll2", &pll2_clk),
 297        CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
 298        CLK(NULL, "pll2_sysclk2", &pll2_sysclk2),
 299        CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp),
 300        CLK(NULL, "dsp", &dsp_clk),
 301        CLK(NULL, "arm", &arm_clk),
 302        CLK(NULL, "vicp", &vicp_clk),
 303        CLK("vpss", "master", &vpss_master_clk),
 304        CLK("vpss", "slave", &vpss_slave_clk),
 305        CLK(NULL, "arm", &arm_clk),
 306        CLK("serial8250.0", NULL, &uart0_clk),
 307        CLK("serial8250.1", NULL, &uart1_clk),
 308        CLK("serial8250.2", NULL, &uart2_clk),
 309        CLK("davinci_emac.1", NULL, &emac_clk),
 310        CLK("davinci_mdio.0", "fck", &emac_clk),
 311        CLK("i2c_davinci.1", NULL, &i2c_clk),
 312        CLK("palm_bk3710", NULL, &ide_clk),
 313        CLK("davinci-mcbsp", NULL, &asp_clk),
 314        CLK("dm6441-mmc.0", NULL, &mmcsd_clk),
 315        CLK(NULL, "spi", &spi_clk),
 316        CLK(NULL, "gpio", &gpio_clk),
 317        CLK(NULL, "usb", &usb_clk),
 318        CLK(NULL, "vlynq", &vlynq_clk),
 319        CLK(NULL, "aemif", &aemif_clk),
 320        CLK(NULL, "pwm0", &pwm0_clk),
 321        CLK(NULL, "pwm1", &pwm1_clk),
 322        CLK(NULL, "pwm2", &pwm2_clk),
 323        CLK(NULL, "timer0", &timer0_clk),
 324        CLK(NULL, "timer1", &timer1_clk),
 325        CLK("davinci-wdt", NULL, &timer2_clk),
 326        CLK(NULL, NULL, NULL),
 327};
 328
 329static struct emac_platform_data dm644x_emac_pdata = {
 330        .ctrl_reg_offset        = DM644X_EMAC_CNTRL_OFFSET,
 331        .ctrl_mod_reg_offset    = DM644X_EMAC_CNTRL_MOD_OFFSET,
 332        .ctrl_ram_offset        = DM644X_EMAC_CNTRL_RAM_OFFSET,
 333        .ctrl_ram_size          = DM644X_EMAC_CNTRL_RAM_SIZE,
 334        .version                = EMAC_VERSION_1,
 335};
 336
 337static struct resource dm644x_emac_resources[] = {
 338        {
 339                .start  = DM644X_EMAC_BASE,
 340                .end    = DM644X_EMAC_BASE + SZ_16K - 1,
 341                .flags  = IORESOURCE_MEM,
 342        },
 343        {
 344                .start = IRQ_EMACINT,
 345                .end   = IRQ_EMACINT,
 346                .flags = IORESOURCE_IRQ,
 347        },
 348};
 349
 350static struct platform_device dm644x_emac_device = {
 351       .name            = "davinci_emac",
 352       .id              = 1,
 353       .dev = {
 354               .platform_data   = &dm644x_emac_pdata,
 355       },
 356       .num_resources   = ARRAY_SIZE(dm644x_emac_resources),
 357       .resource        = dm644x_emac_resources,
 358};
 359
 360static struct resource dm644x_mdio_resources[] = {
 361        {
 362                .start  = DM644X_EMAC_MDIO_BASE,
 363                .end    = DM644X_EMAC_MDIO_BASE + SZ_4K - 1,
 364                .flags  = IORESOURCE_MEM,
 365        },
 366};
 367
 368static struct platform_device dm644x_mdio_device = {
 369        .name           = "davinci_mdio",
 370        .id             = 0,
 371        .num_resources  = ARRAY_SIZE(dm644x_mdio_resources),
 372        .resource       = dm644x_mdio_resources,
 373};
 374
 375/*
 376 * Device specific mux setup
 377 *
 378 *      soc     description     mux  mode   mode  mux    dbg
 379 *                              reg  offset mask  mode
 380 */
 381static const struct mux_config dm644x_pins[] = {
 382#ifdef CONFIG_DAVINCI_MUX
 383MUX_CFG(DM644X, HDIREN,         0,   16,    1,    1,     true)
 384MUX_CFG(DM644X, ATAEN,          0,   17,    1,    1,     true)
 385MUX_CFG(DM644X, ATAEN_DISABLE,  0,   17,    1,    0,     true)
 386
 387MUX_CFG(DM644X, HPIEN_DISABLE,  0,   29,    1,    0,     true)
 388
 389MUX_CFG(DM644X, AEAW,           0,   0,     31,   31,    true)
 390MUX_CFG(DM644X, AEAW0,          0,   0,     1,    0,     true)
 391MUX_CFG(DM644X, AEAW1,          0,   1,     1,    0,     true)
 392MUX_CFG(DM644X, AEAW2,          0,   2,     1,    0,     true)
 393MUX_CFG(DM644X, AEAW3,          0,   3,     1,    0,     true)
 394MUX_CFG(DM644X, AEAW4,          0,   4,     1,    0,     true)
 395
 396MUX_CFG(DM644X, MSTK,           1,   9,     1,    0,     false)
 397
 398MUX_CFG(DM644X, I2C,            1,   7,     1,    1,     false)
 399
 400MUX_CFG(DM644X, MCBSP,          1,   10,    1,    1,     false)
 401
 402MUX_CFG(DM644X, UART1,          1,   1,     1,    1,     true)
 403MUX_CFG(DM644X, UART2,          1,   2,     1,    1,     true)
 404
 405MUX_CFG(DM644X, PWM0,           1,   4,     1,    1,     false)
 406
 407MUX_CFG(DM644X, PWM1,           1,   5,     1,    1,     false)
 408
 409MUX_CFG(DM644X, PWM2,           1,   6,     1,    1,     false)
 410
 411MUX_CFG(DM644X, VLYNQEN,        0,   15,    1,    1,     false)
 412MUX_CFG(DM644X, VLSCREN,        0,   14,    1,    1,     false)
 413MUX_CFG(DM644X, VLYNQWD,        0,   12,    3,    3,     false)
 414
 415MUX_CFG(DM644X, EMACEN,         0,   31,    1,    1,     true)
 416
 417MUX_CFG(DM644X, GPIO3V,         0,   31,    1,    0,     true)
 418
 419MUX_CFG(DM644X, GPIO0,          0,   24,    1,    0,     true)
 420MUX_CFG(DM644X, GPIO3,          0,   25,    1,    0,     false)
 421MUX_CFG(DM644X, GPIO43_44,      1,   7,     1,    0,     false)
 422MUX_CFG(DM644X, GPIO46_47,      0,   22,    1,    0,     true)
 423
 424MUX_CFG(DM644X, RGB666,         0,   22,    1,    1,     true)
 425
 426MUX_CFG(DM644X, LOEEN,          0,   24,    1,    1,     true)
 427MUX_CFG(DM644X, LFLDEN,         0,   25,    1,    1,     false)
 428#endif
 429};
 430
 431/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
 432static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 433        [IRQ_VDINT0]            = 2,
 434        [IRQ_VDINT1]            = 6,
 435        [IRQ_VDINT2]            = 6,
 436        [IRQ_HISTINT]           = 6,
 437        [IRQ_H3AINT]            = 6,
 438        [IRQ_PRVUINT]           = 6,
 439        [IRQ_RSZINT]            = 6,
 440        [7]                     = 7,
 441        [IRQ_VENCINT]           = 6,
 442        [IRQ_ASQINT]            = 6,
 443        [IRQ_IMXINT]            = 6,
 444        [IRQ_VLCDINT]           = 6,
 445        [IRQ_USBINT]            = 4,
 446        [IRQ_EMACINT]           = 4,
 447        [14]                    = 7,
 448        [15]                    = 7,
 449        [IRQ_CCINT0]            = 5,    /* dma */
 450        [IRQ_CCERRINT]          = 5,    /* dma */
 451        [IRQ_TCERRINT0]         = 5,    /* dma */
 452        [IRQ_TCERRINT]          = 5,    /* dma */
 453        [IRQ_PSCIN]             = 7,
 454        [21]                    = 7,
 455        [IRQ_IDE]               = 4,
 456        [23]                    = 7,
 457        [IRQ_MBXINT]            = 7,
 458        [IRQ_MBRINT]            = 7,
 459        [IRQ_MMCINT]            = 7,
 460        [IRQ_SDIOINT]           = 7,
 461        [28]                    = 7,
 462        [IRQ_DDRINT]            = 7,
 463        [IRQ_AEMIFINT]          = 7,
 464        [IRQ_VLQINT]            = 4,
 465        [IRQ_TINT0_TINT12]      = 2,    /* clockevent */
 466        [IRQ_TINT0_TINT34]      = 2,    /* clocksource */
 467        [IRQ_TINT1_TINT12]      = 7,    /* DSP timer */
 468        [IRQ_TINT1_TINT34]      = 7,    /* system tick */
 469        [IRQ_PWMINT0]           = 7,
 470        [IRQ_PWMINT1]           = 7,
 471        [IRQ_PWMINT2]           = 7,
 472        [IRQ_I2C]               = 3,
 473        [IRQ_UARTINT0]          = 3,
 474        [IRQ_UARTINT1]          = 3,
 475        [IRQ_UARTINT2]          = 3,
 476        [IRQ_SPINT0]            = 3,
 477        [IRQ_SPINT1]            = 3,
 478        [45]                    = 7,
 479        [IRQ_DSP2ARM0]          = 4,
 480        [IRQ_DSP2ARM1]          = 4,
 481        [IRQ_GPIO0]             = 7,
 482        [IRQ_GPIO1]             = 7,
 483        [IRQ_GPIO2]             = 7,
 484        [IRQ_GPIO3]             = 7,
 485        [IRQ_GPIO4]             = 7,
 486        [IRQ_GPIO5]             = 7,
 487        [IRQ_GPIO6]             = 7,
 488        [IRQ_GPIO7]             = 7,
 489        [IRQ_GPIOBNK0]          = 7,
 490        [IRQ_GPIOBNK1]          = 7,
 491        [IRQ_GPIOBNK2]          = 7,
 492        [IRQ_GPIOBNK3]          = 7,
 493        [IRQ_GPIOBNK4]          = 7,
 494        [IRQ_COMMTX]            = 7,
 495        [IRQ_COMMRX]            = 7,
 496        [IRQ_EMUINT]            = 7,
 497};
 498
 499/*----------------------------------------------------------------------*/
 500
 501static s8
 502queue_priority_mapping[][2] = {
 503        /* {event queue no, Priority} */
 504        {0, 3},
 505        {1, 7},
 506        {-1, -1},
 507};
 508
 509static struct edma_soc_info edma_cc0_info = {
 510        .queue_priority_mapping = queue_priority_mapping,
 511        .default_queue          = EVENTQ_1,
 512};
 513
 514static struct edma_soc_info *dm644x_edma_info[EDMA_MAX_CC] = {
 515        &edma_cc0_info,
 516};
 517
 518static struct resource edma_resources[] = {
 519        {
 520                .name   = "edma_cc0",
 521                .start  = 0x01c00000,
 522                .end    = 0x01c00000 + SZ_64K - 1,
 523                .flags  = IORESOURCE_MEM,
 524        },
 525        {
 526                .name   = "edma_tc0",
 527                .start  = 0x01c10000,
 528                .end    = 0x01c10000 + SZ_1K - 1,
 529                .flags  = IORESOURCE_MEM,
 530        },
 531        {
 532                .name   = "edma_tc1",
 533                .start  = 0x01c10400,
 534                .end    = 0x01c10400 + SZ_1K - 1,
 535                .flags  = IORESOURCE_MEM,
 536        },
 537        {
 538                .name   = "edma0",
 539                .start  = IRQ_CCINT0,
 540                .flags  = IORESOURCE_IRQ,
 541        },
 542        {
 543                .name   = "edma0_err",
 544                .start  = IRQ_CCERRINT,
 545                .flags  = IORESOURCE_IRQ,
 546        },
 547        /* not using TC*_ERR */
 548};
 549
 550static struct platform_device dm644x_edma_device = {
 551        .name                   = "edma",
 552        .id                     = 0,
 553        .dev.platform_data      = dm644x_edma_info,
 554        .num_resources          = ARRAY_SIZE(edma_resources),
 555        .resource               = edma_resources,
 556};
 557
 558/* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
 559static struct resource dm644x_asp_resources[] = {
 560        {
 561                .name   = "mpu",
 562                .start  = DAVINCI_ASP0_BASE,
 563                .end    = DAVINCI_ASP0_BASE + SZ_8K - 1,
 564                .flags  = IORESOURCE_MEM,
 565        },
 566        {
 567                .start  = DAVINCI_DMA_ASP0_TX,
 568                .end    = DAVINCI_DMA_ASP0_TX,
 569                .flags  = IORESOURCE_DMA,
 570        },
 571        {
 572                .start  = DAVINCI_DMA_ASP0_RX,
 573                .end    = DAVINCI_DMA_ASP0_RX,
 574                .flags  = IORESOURCE_DMA,
 575        },
 576};
 577
 578static struct platform_device dm644x_asp_device = {
 579        .name           = "davinci-mcbsp",
 580        .id             = -1,
 581        .num_resources  = ARRAY_SIZE(dm644x_asp_resources),
 582        .resource       = dm644x_asp_resources,
 583};
 584
 585#define DM644X_VPSS_BASE        0x01c73400
 586
 587static struct resource dm644x_vpss_resources[] = {
 588        {
 589                /* VPSS Base address */
 590                .name           = "vpss",
 591                .start          = DM644X_VPSS_BASE,
 592                .end            = DM644X_VPSS_BASE + 0xff,
 593                .flags          = IORESOURCE_MEM,
 594        },
 595};
 596
 597static struct platform_device dm644x_vpss_device = {
 598        .name                   = "vpss",
 599        .id                     = -1,
 600        .dev.platform_data      = "dm644x_vpss",
 601        .num_resources          = ARRAY_SIZE(dm644x_vpss_resources),
 602        .resource               = dm644x_vpss_resources,
 603};
 604
 605static struct resource dm644x_vpfe_resources[] = {
 606        {
 607                .start          = IRQ_VDINT0,
 608                .end            = IRQ_VDINT0,
 609                .flags          = IORESOURCE_IRQ,
 610        },
 611        {
 612                .start          = IRQ_VDINT1,
 613                .end            = IRQ_VDINT1,
 614                .flags          = IORESOURCE_IRQ,
 615        },
 616};
 617
 618static u64 dm644x_video_dma_mask = DMA_BIT_MASK(32);
 619static struct resource dm644x_ccdc_resource[] = {
 620        /* CCDC Base address */
 621        {
 622                .start          = 0x01c70400,
 623                .end            = 0x01c70400 + 0xff,
 624                .flags          = IORESOURCE_MEM,
 625        },
 626};
 627
 628static struct platform_device dm644x_ccdc_dev = {
 629        .name           = "dm644x_ccdc",
 630        .id             = -1,
 631        .num_resources  = ARRAY_SIZE(dm644x_ccdc_resource),
 632        .resource       = dm644x_ccdc_resource,
 633        .dev = {
 634                .dma_mask               = &dm644x_video_dma_mask,
 635                .coherent_dma_mask      = DMA_BIT_MASK(32),
 636        },
 637};
 638
 639static struct platform_device dm644x_vpfe_dev = {
 640        .name           = CAPTURE_DRV_NAME,
 641        .id             = -1,
 642        .num_resources  = ARRAY_SIZE(dm644x_vpfe_resources),
 643        .resource       = dm644x_vpfe_resources,
 644        .dev = {
 645                .dma_mask               = &dm644x_video_dma_mask,
 646                .coherent_dma_mask      = DMA_BIT_MASK(32),
 647        },
 648};
 649
 650#define DM644X_OSD_BASE         0x01c72600
 651
 652static struct resource dm644x_osd_resources[] = {
 653        {
 654                .start  = DM644X_OSD_BASE,
 655                .end    = DM644X_OSD_BASE + 0x1ff,
 656                .flags  = IORESOURCE_MEM,
 657        },
 658};
 659
 660static struct platform_device dm644x_osd_dev = {
 661        .name           = DM644X_VPBE_OSD_SUBDEV_NAME,
 662        .id             = -1,
 663        .num_resources  = ARRAY_SIZE(dm644x_osd_resources),
 664        .resource       = dm644x_osd_resources,
 665        .dev            = {
 666                .dma_mask               = &dm644x_video_dma_mask,
 667                .coherent_dma_mask      = DMA_BIT_MASK(32),
 668        },
 669};
 670
 671#define DM644X_VENC_BASE                0x01c72400
 672
 673static struct resource dm644x_venc_resources[] = {
 674        {
 675                .start  = DM644X_VENC_BASE,
 676                .end    = DM644X_VENC_BASE + 0x17f,
 677                .flags  = IORESOURCE_MEM,
 678        },
 679};
 680
 681#define DM644X_VPSS_MUXSEL_PLL2_MODE          BIT(0)
 682#define DM644X_VPSS_MUXSEL_VPBECLK_MODE       BIT(1)
 683#define DM644X_VPSS_VENCLKEN                  BIT(3)
 684#define DM644X_VPSS_DACCLKEN                  BIT(4)
 685
 686static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type,
 687                                   unsigned int pclock)
 688{
 689        int ret = 0;
 690        u32 v = DM644X_VPSS_VENCLKEN;
 691
 692        switch (type) {
 693        case VPBE_ENC_STD:
 694                v |= DM644X_VPSS_DACCLKEN;
 695                writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 696                break;
 697        case VPBE_ENC_DV_TIMINGS:
 698                if (pclock <= 27000000) {
 699                        v |= DM644X_VPSS_DACCLKEN;
 700                        writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 701                } else {
 702                        /*
 703                         * For HD, use external clock source since
 704                         * HD requires higher clock rate
 705                         */
 706                        v |= DM644X_VPSS_MUXSEL_VPBECLK_MODE;
 707                        writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 708                }
 709                break;
 710        default:
 711                ret  = -EINVAL;
 712        }
 713
 714        return ret;
 715}
 716
 717static struct resource dm644x_v4l2_disp_resources[] = {
 718        {
 719                .start  = IRQ_VENCINT,
 720                .end    = IRQ_VENCINT,
 721                .flags  = IORESOURCE_IRQ,
 722        },
 723};
 724
 725static struct platform_device dm644x_vpbe_display = {
 726        .name           = "vpbe-v4l2",
 727        .id             = -1,
 728        .num_resources  = ARRAY_SIZE(dm644x_v4l2_disp_resources),
 729        .resource       = dm644x_v4l2_disp_resources,
 730        .dev            = {
 731                .dma_mask               = &dm644x_video_dma_mask,
 732                .coherent_dma_mask      = DMA_BIT_MASK(32),
 733        },
 734};
 735
 736static struct venc_platform_data dm644x_venc_pdata = {
 737        .setup_clock    = dm644x_venc_setup_clock,
 738};
 739
 740static struct platform_device dm644x_venc_dev = {
 741        .name           = DM644X_VPBE_VENC_SUBDEV_NAME,
 742        .id             = -1,
 743        .num_resources  = ARRAY_SIZE(dm644x_venc_resources),
 744        .resource       = dm644x_venc_resources,
 745        .dev            = {
 746                .dma_mask               = &dm644x_video_dma_mask,
 747                .coherent_dma_mask      = DMA_BIT_MASK(32),
 748                .platform_data          = &dm644x_venc_pdata,
 749        },
 750};
 751
 752static struct platform_device dm644x_vpbe_dev = {
 753        .name           = "vpbe_controller",
 754        .id             = -1,
 755        .dev            = {
 756                .dma_mask               = &dm644x_video_dma_mask,
 757                .coherent_dma_mask      = DMA_BIT_MASK(32),
 758        },
 759};
 760
 761static struct resource dm644_gpio_resources[] = {
 762        {       /* registers */
 763                .start  = DAVINCI_GPIO_BASE,
 764                .end    = DAVINCI_GPIO_BASE + SZ_4K - 1,
 765                .flags  = IORESOURCE_MEM,
 766        },
 767        {       /* interrupt */
 768                .start  = IRQ_GPIOBNK0,
 769                .end    = IRQ_GPIOBNK4,
 770                .flags  = IORESOURCE_IRQ,
 771        },
 772};
 773
 774static struct davinci_gpio_platform_data dm644_gpio_platform_data = {
 775        .ngpio          = 71,
 776};
 777
 778int __init dm644x_gpio_register(void)
 779{
 780        return davinci_gpio_register(dm644_gpio_resources,
 781                                     ARRAY_SIZE(dm644_gpio_resources),
 782                                     &dm644_gpio_platform_data);
 783}
 784/*----------------------------------------------------------------------*/
 785
 786static struct map_desc dm644x_io_desc[] = {
 787        {
 788                .virtual        = IO_VIRT,
 789                .pfn            = __phys_to_pfn(IO_PHYS),
 790                .length         = IO_SIZE,
 791                .type           = MT_DEVICE
 792        },
 793};
 794
 795/* Contents of JTAG ID register used to identify exact cpu type */
 796static struct davinci_id dm644x_ids[] = {
 797        {
 798                .variant        = 0x0,
 799                .part_no        = 0xb700,
 800                .manufacturer   = 0x017,
 801                .cpu_id         = DAVINCI_CPU_ID_DM6446,
 802                .name           = "dm6446",
 803        },
 804        {
 805                .variant        = 0x1,
 806                .part_no        = 0xb700,
 807                .manufacturer   = 0x017,
 808                .cpu_id         = DAVINCI_CPU_ID_DM6446,
 809                .name           = "dm6446a",
 810        },
 811};
 812
 813static u32 dm644x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
 814
 815/*
 816 * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
 817 * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
 818 * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
 819 * T1_TOP: Timer 1, top   :  <unused>
 820 */
 821static struct davinci_timer_info dm644x_timer_info = {
 822        .timers         = davinci_timer_instance,
 823        .clockevent_id  = T0_BOT,
 824        .clocksource_id = T0_TOP,
 825};
 826
 827static struct plat_serial8250_port dm644x_serial0_platform_data[] = {
 828        {
 829                .mapbase        = DAVINCI_UART0_BASE,
 830                .irq            = IRQ_UARTINT0,
 831                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 832                                  UPF_IOREMAP,
 833                .iotype         = UPIO_MEM,
 834                .regshift       = 2,
 835        },
 836        {
 837                .flags  = 0,
 838        }
 839};
 840static struct plat_serial8250_port dm644x_serial1_platform_data[] = {
 841        {
 842                .mapbase        = DAVINCI_UART1_BASE,
 843                .irq            = IRQ_UARTINT1,
 844                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 845                                  UPF_IOREMAP,
 846                .iotype         = UPIO_MEM,
 847                .regshift       = 2,
 848        },
 849        {
 850                .flags  = 0,
 851        }
 852};
 853static struct plat_serial8250_port dm644x_serial2_platform_data[] = {
 854        {
 855                .mapbase        = DAVINCI_UART2_BASE,
 856                .irq            = IRQ_UARTINT2,
 857                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 858                                  UPF_IOREMAP,
 859                .iotype         = UPIO_MEM,
 860                .regshift       = 2,
 861        },
 862        {
 863                .flags  = 0,
 864        }
 865};
 866
 867struct platform_device dm644x_serial_device[] = {
 868        {
 869                .name                   = "serial8250",
 870                .id                     = PLAT8250_DEV_PLATFORM,
 871                .dev                    = {
 872                        .platform_data  = dm644x_serial0_platform_data,
 873                }
 874        },
 875        {
 876                .name                   = "serial8250",
 877                .id                     = PLAT8250_DEV_PLATFORM1,
 878                .dev                    = {
 879                        .platform_data  = dm644x_serial1_platform_data,
 880                }
 881        },
 882        {
 883                .name                   = "serial8250",
 884                .id                     = PLAT8250_DEV_PLATFORM2,
 885                .dev                    = {
 886                        .platform_data  = dm644x_serial2_platform_data,
 887                }
 888        },
 889        {
 890        }
 891};
 892
 893static struct davinci_soc_info davinci_soc_info_dm644x = {
 894        .io_desc                = dm644x_io_desc,
 895        .io_desc_num            = ARRAY_SIZE(dm644x_io_desc),
 896        .jtag_id_reg            = 0x01c40028,
 897        .ids                    = dm644x_ids,
 898        .ids_num                = ARRAY_SIZE(dm644x_ids),
 899        .cpu_clks               = dm644x_clks,
 900        .psc_bases              = dm644x_psc_bases,
 901        .psc_bases_num          = ARRAY_SIZE(dm644x_psc_bases),
 902        .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
 903        .pinmux_pins            = dm644x_pins,
 904        .pinmux_pins_num        = ARRAY_SIZE(dm644x_pins),
 905        .intc_base              = DAVINCI_ARM_INTC_BASE,
 906        .intc_type              = DAVINCI_INTC_TYPE_AINTC,
 907        .intc_irq_prios         = dm644x_default_priorities,
 908        .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
 909        .timer_info             = &dm644x_timer_info,
 910        .emac_pdata             = &dm644x_emac_pdata,
 911        .sram_dma               = 0x00008000,
 912        .sram_len               = SZ_16K,
 913};
 914
 915void __init dm644x_init_asp(struct snd_platform_data *pdata)
 916{
 917        davinci_cfg_reg(DM644X_MCBSP);
 918        dm644x_asp_device.dev.platform_data = pdata;
 919        platform_device_register(&dm644x_asp_device);
 920}
 921
 922void __init dm644x_init(void)
 923{
 924        davinci_common_init(&davinci_soc_info_dm644x);
 925        davinci_map_sysmod();
 926}
 927
 928int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,
 929                                struct vpbe_config *vpbe_cfg)
 930{
 931        if (vpfe_cfg || vpbe_cfg)
 932                platform_device_register(&dm644x_vpss_device);
 933
 934        if (vpfe_cfg) {
 935                dm644x_vpfe_dev.dev.platform_data = vpfe_cfg;
 936                platform_device_register(&dm644x_ccdc_dev);
 937                platform_device_register(&dm644x_vpfe_dev);
 938        }
 939
 940        if (vpbe_cfg) {
 941                dm644x_vpbe_dev.dev.platform_data = vpbe_cfg;
 942                platform_device_register(&dm644x_osd_dev);
 943                platform_device_register(&dm644x_venc_dev);
 944                platform_device_register(&dm644x_vpbe_dev);
 945                platform_device_register(&dm644x_vpbe_display);
 946        }
 947
 948        return 0;
 949}
 950
 951static int __init dm644x_init_devices(void)
 952{
 953        int ret = 0;
 954
 955        if (!cpu_is_davinci_dm644x())
 956                return 0;
 957
 958        platform_device_register(&dm644x_edma_device);
 959
 960        platform_device_register(&dm644x_mdio_device);
 961        platform_device_register(&dm644x_emac_device);
 962
 963        ret = davinci_init_wdt();
 964        if (ret)
 965                pr_warn("%s: watchdog init failed: %d\n", __func__, ret);
 966
 967        return ret;
 968}
 969postcore_initcall(dm644x_init_devices);
 970