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
  16#include <asm/mach/map.h>
  17
  18#include <mach/cputype.h>
  19#include <mach/edma.h>
  20#include <mach/irqs.h>
  21#include <mach/psc.h>
  22#include <mach/mux.h>
  23#include <mach/time.h>
  24#include <mach/serial.h>
  25#include <mach/common.h>
  26#include <mach/gpio-davinci.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(NULL, "vpss_master", &vpss_master_clk),
 304        CLK(NULL, "vpss_slave", &vpss_slave_clk),
 305        CLK(NULL, "arm", &arm_clk),
 306        CLK(NULL, "uart0", &uart0_clk),
 307        CLK(NULL, "uart1", &uart1_clk),
 308        CLK(NULL, "uart2", &uart2_clk),
 309        CLK("davinci_emac.1", NULL, &emac_clk),
 310        CLK("i2c_davinci.1", NULL, &i2c_clk),
 311        CLK("palm_bk3710", NULL, &ide_clk),
 312        CLK("davinci-mcbsp", NULL, &asp_clk),
 313        CLK("davinci_mmc.0", NULL, &mmcsd_clk),
 314        CLK(NULL, "spi", &spi_clk),
 315        CLK(NULL, "gpio", &gpio_clk),
 316        CLK(NULL, "usb", &usb_clk),
 317        CLK(NULL, "vlynq", &vlynq_clk),
 318        CLK(NULL, "aemif", &aemif_clk),
 319        CLK(NULL, "pwm0", &pwm0_clk),
 320        CLK(NULL, "pwm1", &pwm1_clk),
 321        CLK(NULL, "pwm2", &pwm2_clk),
 322        CLK(NULL, "timer0", &timer0_clk),
 323        CLK(NULL, "timer1", &timer1_clk),
 324        CLK("watchdog", NULL, &timer2_clk),
 325        CLK(NULL, NULL, NULL),
 326};
 327
 328static struct emac_platform_data dm644x_emac_pdata = {
 329        .ctrl_reg_offset        = DM644X_EMAC_CNTRL_OFFSET,
 330        .ctrl_mod_reg_offset    = DM644X_EMAC_CNTRL_MOD_OFFSET,
 331        .ctrl_ram_offset        = DM644X_EMAC_CNTRL_RAM_OFFSET,
 332        .ctrl_ram_size          = DM644X_EMAC_CNTRL_RAM_SIZE,
 333        .version                = EMAC_VERSION_1,
 334};
 335
 336static struct resource dm644x_emac_resources[] = {
 337        {
 338                .start  = DM644X_EMAC_BASE,
 339                .end    = DM644X_EMAC_BASE + SZ_16K - 1,
 340                .flags  = IORESOURCE_MEM,
 341        },
 342        {
 343                .start = IRQ_EMACINT,
 344                .end   = IRQ_EMACINT,
 345                .flags = IORESOURCE_IRQ,
 346        },
 347};
 348
 349static struct platform_device dm644x_emac_device = {
 350       .name            = "davinci_emac",
 351       .id              = 1,
 352       .dev = {
 353               .platform_data   = &dm644x_emac_pdata,
 354       },
 355       .num_resources   = ARRAY_SIZE(dm644x_emac_resources),
 356       .resource        = dm644x_emac_resources,
 357};
 358
 359static struct resource dm644x_mdio_resources[] = {
 360        {
 361                .start  = DM644X_EMAC_MDIO_BASE,
 362                .end    = DM644X_EMAC_MDIO_BASE + SZ_4K - 1,
 363                .flags  = IORESOURCE_MEM,
 364        },
 365};
 366
 367static struct platform_device dm644x_mdio_device = {
 368        .name           = "davinci_mdio",
 369        .id             = 0,
 370        .num_resources  = ARRAY_SIZE(dm644x_mdio_resources),
 371        .resource       = dm644x_mdio_resources,
 372};
 373
 374/*
 375 * Device specific mux setup
 376 *
 377 *      soc     description     mux  mode   mode  mux    dbg
 378 *                              reg  offset mask  mode
 379 */
 380static const struct mux_config dm644x_pins[] = {
 381#ifdef CONFIG_DAVINCI_MUX
 382MUX_CFG(DM644X, HDIREN,         0,   16,    1,    1,     true)
 383MUX_CFG(DM644X, ATAEN,          0,   17,    1,    1,     true)
 384MUX_CFG(DM644X, ATAEN_DISABLE,  0,   17,    1,    0,     true)
 385
 386MUX_CFG(DM644X, HPIEN_DISABLE,  0,   29,    1,    0,     true)
 387
 388MUX_CFG(DM644X, AEAW,           0,   0,     31,   31,    true)
 389MUX_CFG(DM644X, AEAW0,          0,   0,     1,    0,     true)
 390MUX_CFG(DM644X, AEAW1,          0,   1,     1,    0,     true)
 391MUX_CFG(DM644X, AEAW2,          0,   2,     1,    0,     true)
 392MUX_CFG(DM644X, AEAW3,          0,   3,     1,    0,     true)
 393MUX_CFG(DM644X, AEAW4,          0,   4,     1,    0,     true)
 394
 395MUX_CFG(DM644X, MSTK,           1,   9,     1,    0,     false)
 396
 397MUX_CFG(DM644X, I2C,            1,   7,     1,    1,     false)
 398
 399MUX_CFG(DM644X, MCBSP,          1,   10,    1,    1,     false)
 400
 401MUX_CFG(DM644X, UART1,          1,   1,     1,    1,     true)
 402MUX_CFG(DM644X, UART2,          1,   2,     1,    1,     true)
 403
 404MUX_CFG(DM644X, PWM0,           1,   4,     1,    1,     false)
 405
 406MUX_CFG(DM644X, PWM1,           1,   5,     1,    1,     false)
 407
 408MUX_CFG(DM644X, PWM2,           1,   6,     1,    1,     false)
 409
 410MUX_CFG(DM644X, VLYNQEN,        0,   15,    1,    1,     false)
 411MUX_CFG(DM644X, VLSCREN,        0,   14,    1,    1,     false)
 412MUX_CFG(DM644X, VLYNQWD,        0,   12,    3,    3,     false)
 413
 414MUX_CFG(DM644X, EMACEN,         0,   31,    1,    1,     true)
 415
 416MUX_CFG(DM644X, GPIO3V,         0,   31,    1,    0,     true)
 417
 418MUX_CFG(DM644X, GPIO0,          0,   24,    1,    0,     true)
 419MUX_CFG(DM644X, GPIO3,          0,   25,    1,    0,     false)
 420MUX_CFG(DM644X, GPIO43_44,      1,   7,     1,    0,     false)
 421MUX_CFG(DM644X, GPIO46_47,      0,   22,    1,    0,     true)
 422
 423MUX_CFG(DM644X, RGB666,         0,   22,    1,    1,     true)
 424
 425MUX_CFG(DM644X, LOEEN,          0,   24,    1,    1,     true)
 426MUX_CFG(DM644X, LFLDEN,         0,   25,    1,    1,     false)
 427#endif
 428};
 429
 430/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
 431static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 432        [IRQ_VDINT0]            = 2,
 433        [IRQ_VDINT1]            = 6,
 434        [IRQ_VDINT2]            = 6,
 435        [IRQ_HISTINT]           = 6,
 436        [IRQ_H3AINT]            = 6,
 437        [IRQ_PRVUINT]           = 6,
 438        [IRQ_RSZINT]            = 6,
 439        [7]                     = 7,
 440        [IRQ_VENCINT]           = 6,
 441        [IRQ_ASQINT]            = 6,
 442        [IRQ_IMXINT]            = 6,
 443        [IRQ_VLCDINT]           = 6,
 444        [IRQ_USBINT]            = 4,
 445        [IRQ_EMACINT]           = 4,
 446        [14]                    = 7,
 447        [15]                    = 7,
 448        [IRQ_CCINT0]            = 5,    /* dma */
 449        [IRQ_CCERRINT]          = 5,    /* dma */
 450        [IRQ_TCERRINT0]         = 5,    /* dma */
 451        [IRQ_TCERRINT]          = 5,    /* dma */
 452        [IRQ_PSCIN]             = 7,
 453        [21]                    = 7,
 454        [IRQ_IDE]               = 4,
 455        [23]                    = 7,
 456        [IRQ_MBXINT]            = 7,
 457        [IRQ_MBRINT]            = 7,
 458        [IRQ_MMCINT]            = 7,
 459        [IRQ_SDIOINT]           = 7,
 460        [28]                    = 7,
 461        [IRQ_DDRINT]            = 7,
 462        [IRQ_AEMIFINT]          = 7,
 463        [IRQ_VLQINT]            = 4,
 464        [IRQ_TINT0_TINT12]      = 2,    /* clockevent */
 465        [IRQ_TINT0_TINT34]      = 2,    /* clocksource */
 466        [IRQ_TINT1_TINT12]      = 7,    /* DSP timer */
 467        [IRQ_TINT1_TINT34]      = 7,    /* system tick */
 468        [IRQ_PWMINT0]           = 7,
 469        [IRQ_PWMINT1]           = 7,
 470        [IRQ_PWMINT2]           = 7,
 471        [IRQ_I2C]               = 3,
 472        [IRQ_UARTINT0]          = 3,
 473        [IRQ_UARTINT1]          = 3,
 474        [IRQ_UARTINT2]          = 3,
 475        [IRQ_SPINT0]            = 3,
 476        [IRQ_SPINT1]            = 3,
 477        [45]                    = 7,
 478        [IRQ_DSP2ARM0]          = 4,
 479        [IRQ_DSP2ARM1]          = 4,
 480        [IRQ_GPIO0]             = 7,
 481        [IRQ_GPIO1]             = 7,
 482        [IRQ_GPIO2]             = 7,
 483        [IRQ_GPIO3]             = 7,
 484        [IRQ_GPIO4]             = 7,
 485        [IRQ_GPIO5]             = 7,
 486        [IRQ_GPIO6]             = 7,
 487        [IRQ_GPIO7]             = 7,
 488        [IRQ_GPIOBNK0]          = 7,
 489        [IRQ_GPIOBNK1]          = 7,
 490        [IRQ_GPIOBNK2]          = 7,
 491        [IRQ_GPIOBNK3]          = 7,
 492        [IRQ_GPIOBNK4]          = 7,
 493        [IRQ_COMMTX]            = 7,
 494        [IRQ_COMMRX]            = 7,
 495        [IRQ_EMUINT]            = 7,
 496};
 497
 498/*----------------------------------------------------------------------*/
 499
 500static const s8
 501queue_tc_mapping[][2] = {
 502        /* {event queue no, TC no} */
 503        {0, 0},
 504        {1, 1},
 505        {-1, -1},
 506};
 507
 508static const s8
 509queue_priority_mapping[][2] = {
 510        /* {event queue no, Priority} */
 511        {0, 3},
 512        {1, 7},
 513        {-1, -1},
 514};
 515
 516static struct edma_soc_info edma_cc0_info = {
 517        .n_channel              = 64,
 518        .n_region               = 4,
 519        .n_slot                 = 128,
 520        .n_tc                   = 2,
 521        .n_cc                   = 1,
 522        .queue_tc_mapping       = queue_tc_mapping,
 523        .queue_priority_mapping = queue_priority_mapping,
 524        .default_queue          = EVENTQ_1,
 525};
 526
 527static struct edma_soc_info *dm644x_edma_info[EDMA_MAX_CC] = {
 528        &edma_cc0_info,
 529};
 530
 531static struct resource edma_resources[] = {
 532        {
 533                .name   = "edma_cc0",
 534                .start  = 0x01c00000,
 535                .end    = 0x01c00000 + SZ_64K - 1,
 536                .flags  = IORESOURCE_MEM,
 537        },
 538        {
 539                .name   = "edma_tc0",
 540                .start  = 0x01c10000,
 541                .end    = 0x01c10000 + SZ_1K - 1,
 542                .flags  = IORESOURCE_MEM,
 543        },
 544        {
 545                .name   = "edma_tc1",
 546                .start  = 0x01c10400,
 547                .end    = 0x01c10400 + SZ_1K - 1,
 548                .flags  = IORESOURCE_MEM,
 549        },
 550        {
 551                .name   = "edma0",
 552                .start  = IRQ_CCINT0,
 553                .flags  = IORESOURCE_IRQ,
 554        },
 555        {
 556                .name   = "edma0_err",
 557                .start  = IRQ_CCERRINT,
 558                .flags  = IORESOURCE_IRQ,
 559        },
 560        /* not using TC*_ERR */
 561};
 562
 563static struct platform_device dm644x_edma_device = {
 564        .name                   = "edma",
 565        .id                     = 0,
 566        .dev.platform_data      = dm644x_edma_info,
 567        .num_resources          = ARRAY_SIZE(edma_resources),
 568        .resource               = edma_resources,
 569};
 570
 571/* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
 572static struct resource dm644x_asp_resources[] = {
 573        {
 574                .start  = DAVINCI_ASP0_BASE,
 575                .end    = DAVINCI_ASP0_BASE + SZ_8K - 1,
 576                .flags  = IORESOURCE_MEM,
 577        },
 578        {
 579                .start  = DAVINCI_DMA_ASP0_TX,
 580                .end    = DAVINCI_DMA_ASP0_TX,
 581                .flags  = IORESOURCE_DMA,
 582        },
 583        {
 584                .start  = DAVINCI_DMA_ASP0_RX,
 585                .end    = DAVINCI_DMA_ASP0_RX,
 586                .flags  = IORESOURCE_DMA,
 587        },
 588};
 589
 590static struct platform_device dm644x_asp_device = {
 591        .name           = "davinci-mcbsp",
 592        .id             = -1,
 593        .num_resources  = ARRAY_SIZE(dm644x_asp_resources),
 594        .resource       = dm644x_asp_resources,
 595};
 596
 597#define DM644X_VPSS_BASE        0x01c73400
 598
 599static struct resource dm644x_vpss_resources[] = {
 600        {
 601                /* VPSS Base address */
 602                .name           = "vpss",
 603                .start          = DM644X_VPSS_BASE,
 604                .end            = DM644X_VPSS_BASE + 0xff,
 605                .flags          = IORESOURCE_MEM,
 606        },
 607};
 608
 609static struct platform_device dm644x_vpss_device = {
 610        .name                   = "vpss",
 611        .id                     = -1,
 612        .dev.platform_data      = "dm644x_vpss",
 613        .num_resources          = ARRAY_SIZE(dm644x_vpss_resources),
 614        .resource               = dm644x_vpss_resources,
 615};
 616
 617static struct resource dm644x_vpfe_resources[] = {
 618        {
 619                .start          = IRQ_VDINT0,
 620                .end            = IRQ_VDINT0,
 621                .flags          = IORESOURCE_IRQ,
 622        },
 623        {
 624                .start          = IRQ_VDINT1,
 625                .end            = IRQ_VDINT1,
 626                .flags          = IORESOURCE_IRQ,
 627        },
 628};
 629
 630static u64 dm644x_video_dma_mask = DMA_BIT_MASK(32);
 631static struct resource dm644x_ccdc_resource[] = {
 632        /* CCDC Base address */
 633        {
 634                .start          = 0x01c70400,
 635                .end            = 0x01c70400 + 0xff,
 636                .flags          = IORESOURCE_MEM,
 637        },
 638};
 639
 640static struct platform_device dm644x_ccdc_dev = {
 641        .name           = "dm644x_ccdc",
 642        .id             = -1,
 643        .num_resources  = ARRAY_SIZE(dm644x_ccdc_resource),
 644        .resource       = dm644x_ccdc_resource,
 645        .dev = {
 646                .dma_mask               = &dm644x_video_dma_mask,
 647                .coherent_dma_mask      = DMA_BIT_MASK(32),
 648        },
 649};
 650
 651static struct platform_device dm644x_vpfe_dev = {
 652        .name           = CAPTURE_DRV_NAME,
 653        .id             = -1,
 654        .num_resources  = ARRAY_SIZE(dm644x_vpfe_resources),
 655        .resource       = dm644x_vpfe_resources,
 656        .dev = {
 657                .dma_mask               = &dm644x_video_dma_mask,
 658                .coherent_dma_mask      = DMA_BIT_MASK(32),
 659        },
 660};
 661
 662#define DM644X_OSD_BASE         0x01c72600
 663
 664static struct resource dm644x_osd_resources[] = {
 665        {
 666                .start  = DM644X_OSD_BASE,
 667                .end    = DM644X_OSD_BASE + 0x1ff,
 668                .flags  = IORESOURCE_MEM,
 669        },
 670};
 671
 672static struct platform_device dm644x_osd_dev = {
 673        .name           = DM644X_VPBE_OSD_SUBDEV_NAME,
 674        .id             = -1,
 675        .num_resources  = ARRAY_SIZE(dm644x_osd_resources),
 676        .resource       = dm644x_osd_resources,
 677        .dev            = {
 678                .dma_mask               = &dm644x_video_dma_mask,
 679                .coherent_dma_mask      = DMA_BIT_MASK(32),
 680        },
 681};
 682
 683#define DM644X_VENC_BASE                0x01c72400
 684
 685static struct resource dm644x_venc_resources[] = {
 686        {
 687                .start  = DM644X_VENC_BASE,
 688                .end    = DM644X_VENC_BASE + 0x17f,
 689                .flags  = IORESOURCE_MEM,
 690        },
 691};
 692
 693#define DM644X_VPSS_MUXSEL_PLL2_MODE          BIT(0)
 694#define DM644X_VPSS_MUXSEL_VPBECLK_MODE       BIT(1)
 695#define DM644X_VPSS_VENCLKEN                  BIT(3)
 696#define DM644X_VPSS_DACCLKEN                  BIT(4)
 697
 698static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type,
 699                                   unsigned int pclock)
 700{
 701        int ret = 0;
 702        u32 v = DM644X_VPSS_VENCLKEN;
 703
 704        switch (type) {
 705        case VPBE_ENC_STD:
 706                v |= DM644X_VPSS_DACCLKEN;
 707                writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 708                break;
 709        case VPBE_ENC_CUSTOM_TIMINGS:
 710                if (pclock <= 27000000) {
 711                        v |= DM644X_VPSS_DACCLKEN;
 712                        writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 713                } else {
 714                        /*
 715                         * For HD, use external clock source since
 716                         * HD requires higher clock rate
 717                         */
 718                        v |= DM644X_VPSS_MUXSEL_VPBECLK_MODE;
 719                        writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 720                }
 721                break;
 722        default:
 723                ret  = -EINVAL;
 724        }
 725
 726        return ret;
 727}
 728
 729static struct resource dm644x_v4l2_disp_resources[] = {
 730        {
 731                .start  = IRQ_VENCINT,
 732                .end    = IRQ_VENCINT,
 733                .flags  = IORESOURCE_IRQ,
 734        },
 735};
 736
 737static struct platform_device dm644x_vpbe_display = {
 738        .name           = "vpbe-v4l2",
 739        .id             = -1,
 740        .num_resources  = ARRAY_SIZE(dm644x_v4l2_disp_resources),
 741        .resource       = dm644x_v4l2_disp_resources,
 742        .dev            = {
 743                .dma_mask               = &dm644x_video_dma_mask,
 744                .coherent_dma_mask      = DMA_BIT_MASK(32),
 745        },
 746};
 747
 748static struct venc_platform_data dm644x_venc_pdata = {
 749        .setup_clock    = dm644x_venc_setup_clock,
 750};
 751
 752static struct platform_device dm644x_venc_dev = {
 753        .name           = DM644X_VPBE_VENC_SUBDEV_NAME,
 754        .id             = -1,
 755        .num_resources  = ARRAY_SIZE(dm644x_venc_resources),
 756        .resource       = dm644x_venc_resources,
 757        .dev            = {
 758                .dma_mask               = &dm644x_video_dma_mask,
 759                .coherent_dma_mask      = DMA_BIT_MASK(32),
 760                .platform_data          = &dm644x_venc_pdata,
 761        },
 762};
 763
 764static struct platform_device dm644x_vpbe_dev = {
 765        .name           = "vpbe_controller",
 766        .id             = -1,
 767        .dev            = {
 768                .dma_mask               = &dm644x_video_dma_mask,
 769                .coherent_dma_mask      = DMA_BIT_MASK(32),
 770        },
 771};
 772
 773/*----------------------------------------------------------------------*/
 774
 775static struct map_desc dm644x_io_desc[] = {
 776        {
 777                .virtual        = IO_VIRT,
 778                .pfn            = __phys_to_pfn(IO_PHYS),
 779                .length         = IO_SIZE,
 780                .type           = MT_DEVICE
 781        },
 782};
 783
 784/* Contents of JTAG ID register used to identify exact cpu type */
 785static struct davinci_id dm644x_ids[] = {
 786        {
 787                .variant        = 0x0,
 788                .part_no        = 0xb700,
 789                .manufacturer   = 0x017,
 790                .cpu_id         = DAVINCI_CPU_ID_DM6446,
 791                .name           = "dm6446",
 792        },
 793        {
 794                .variant        = 0x1,
 795                .part_no        = 0xb700,
 796                .manufacturer   = 0x017,
 797                .cpu_id         = DAVINCI_CPU_ID_DM6446,
 798                .name           = "dm6446a",
 799        },
 800};
 801
 802static u32 dm644x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
 803
 804/*
 805 * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
 806 * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
 807 * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
 808 * T1_TOP: Timer 1, top   :  <unused>
 809 */
 810static struct davinci_timer_info dm644x_timer_info = {
 811        .timers         = davinci_timer_instance,
 812        .clockevent_id  = T0_BOT,
 813        .clocksource_id = T0_TOP,
 814};
 815
 816static struct plat_serial8250_port dm644x_serial_platform_data[] = {
 817        {
 818                .mapbase        = DAVINCI_UART0_BASE,
 819                .irq            = IRQ_UARTINT0,
 820                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 821                                  UPF_IOREMAP,
 822                .iotype         = UPIO_MEM,
 823                .regshift       = 2,
 824        },
 825        {
 826                .mapbase        = DAVINCI_UART1_BASE,
 827                .irq            = IRQ_UARTINT1,
 828                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 829                                  UPF_IOREMAP,
 830                .iotype         = UPIO_MEM,
 831                .regshift       = 2,
 832        },
 833        {
 834                .mapbase        = DAVINCI_UART2_BASE,
 835                .irq            = IRQ_UARTINT2,
 836                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 837                                  UPF_IOREMAP,
 838                .iotype         = UPIO_MEM,
 839                .regshift       = 2,
 840        },
 841        {
 842                .flags          = 0
 843        },
 844};
 845
 846static struct platform_device dm644x_serial_device = {
 847        .name                   = "serial8250",
 848        .id                     = PLAT8250_DEV_PLATFORM,
 849        .dev                    = {
 850                .platform_data  = dm644x_serial_platform_data,
 851        },
 852};
 853
 854static struct davinci_soc_info davinci_soc_info_dm644x = {
 855        .io_desc                = dm644x_io_desc,
 856        .io_desc_num            = ARRAY_SIZE(dm644x_io_desc),
 857        .jtag_id_reg            = 0x01c40028,
 858        .ids                    = dm644x_ids,
 859        .ids_num                = ARRAY_SIZE(dm644x_ids),
 860        .cpu_clks               = dm644x_clks,
 861        .psc_bases              = dm644x_psc_bases,
 862        .psc_bases_num          = ARRAY_SIZE(dm644x_psc_bases),
 863        .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
 864        .pinmux_pins            = dm644x_pins,
 865        .pinmux_pins_num        = ARRAY_SIZE(dm644x_pins),
 866        .intc_base              = DAVINCI_ARM_INTC_BASE,
 867        .intc_type              = DAVINCI_INTC_TYPE_AINTC,
 868        .intc_irq_prios         = dm644x_default_priorities,
 869        .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
 870        .timer_info             = &dm644x_timer_info,
 871        .gpio_type              = GPIO_TYPE_DAVINCI,
 872        .gpio_base              = DAVINCI_GPIO_BASE,
 873        .gpio_num               = 71,
 874        .gpio_irq               = IRQ_GPIOBNK0,
 875        .serial_dev             = &dm644x_serial_device,
 876        .emac_pdata             = &dm644x_emac_pdata,
 877        .sram_dma               = 0x00008000,
 878        .sram_len               = SZ_16K,
 879};
 880
 881void __init dm644x_init_asp(struct snd_platform_data *pdata)
 882{
 883        davinci_cfg_reg(DM644X_MCBSP);
 884        dm644x_asp_device.dev.platform_data = pdata;
 885        platform_device_register(&dm644x_asp_device);
 886}
 887
 888void __init dm644x_init(void)
 889{
 890        davinci_common_init(&davinci_soc_info_dm644x);
 891        davinci_map_sysmod();
 892}
 893
 894int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,
 895                                struct vpbe_config *vpbe_cfg)
 896{
 897        if (vpfe_cfg || vpbe_cfg)
 898                platform_device_register(&dm644x_vpss_device);
 899
 900        if (vpfe_cfg) {
 901                dm644x_vpfe_dev.dev.platform_data = vpfe_cfg;
 902                platform_device_register(&dm644x_ccdc_dev);
 903                platform_device_register(&dm644x_vpfe_dev);
 904                /* Add ccdc clock aliases */
 905                clk_add_alias("master", dm644x_ccdc_dev.name,
 906                              "vpss_master", NULL);
 907                clk_add_alias("slave", dm644x_ccdc_dev.name,
 908                              "vpss_slave", NULL);
 909        }
 910
 911        if (vpbe_cfg) {
 912                dm644x_vpbe_dev.dev.platform_data = vpbe_cfg;
 913                platform_device_register(&dm644x_osd_dev);
 914                platform_device_register(&dm644x_venc_dev);
 915                platform_device_register(&dm644x_vpbe_dev);
 916                platform_device_register(&dm644x_vpbe_display);
 917        }
 918
 919        return 0;
 920}
 921
 922static int __init dm644x_init_devices(void)
 923{
 924        if (!cpu_is_davinci_dm644x())
 925                return 0;
 926
 927        platform_device_register(&dm644x_edma_device);
 928
 929        platform_device_register(&dm644x_mdio_device);
 930        platform_device_register(&dm644x_emac_device);
 931        clk_add_alias(NULL, dev_name(&dm644x_mdio_device.dev),
 932                      NULL, &dm644x_emac_device.dev);
 933
 934        return 0;
 935}
 936postcore_initcall(dm644x_init_devices);
 937