linux/arch/arm/mach-davinci/dm646x.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/gpio.h>
  16
  17#include <asm/mach/map.h>
  18
  19#include <mach/dm646x.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#define DAVINCI_VPIF_BASE       (0x01C12000)
  34#define VDD3P3V_PWDN_OFFSET     (0x48)
  35#define VSCLKDIS_OFFSET         (0x6C)
  36
  37#define VDD3P3V_VID_MASK        (BIT_MASK(3) | BIT_MASK(2) | BIT_MASK(1) |\
  38                                        BIT_MASK(0))
  39#define VSCLKDIS_MASK           (BIT_MASK(11) | BIT_MASK(10) | BIT_MASK(9) |\
  40                                        BIT_MASK(8))
  41
  42/*
  43 * Device specific clocks
  44 */
  45#define DM646X_AUX_FREQ         24000000
  46
  47static struct pll_data pll1_data = {
  48        .num       = 1,
  49        .phys_base = DAVINCI_PLL1_BASE,
  50};
  51
  52static struct pll_data pll2_data = {
  53        .num       = 2,
  54        .phys_base = DAVINCI_PLL2_BASE,
  55};
  56
  57static struct clk ref_clk = {
  58        .name = "ref_clk",
  59};
  60
  61static struct clk aux_clkin = {
  62        .name = "aux_clkin",
  63        .rate = DM646X_AUX_FREQ,
  64};
  65
  66static struct clk pll1_clk = {
  67        .name = "pll1",
  68        .parent = &ref_clk,
  69        .pll_data = &pll1_data,
  70        .flags = CLK_PLL,
  71};
  72
  73static struct clk pll1_sysclk1 = {
  74        .name = "pll1_sysclk1",
  75        .parent = &pll1_clk,
  76        .flags = CLK_PLL,
  77        .div_reg = PLLDIV1,
  78};
  79
  80static struct clk pll1_sysclk2 = {
  81        .name = "pll1_sysclk2",
  82        .parent = &pll1_clk,
  83        .flags = CLK_PLL,
  84        .div_reg = PLLDIV2,
  85};
  86
  87static struct clk pll1_sysclk3 = {
  88        .name = "pll1_sysclk3",
  89        .parent = &pll1_clk,
  90        .flags = CLK_PLL,
  91        .div_reg = PLLDIV3,
  92};
  93
  94static struct clk pll1_sysclk4 = {
  95        .name = "pll1_sysclk4",
  96        .parent = &pll1_clk,
  97        .flags = CLK_PLL,
  98        .div_reg = PLLDIV4,
  99};
 100
 101static struct clk pll1_sysclk5 = {
 102        .name = "pll1_sysclk5",
 103        .parent = &pll1_clk,
 104        .flags = CLK_PLL,
 105        .div_reg = PLLDIV5,
 106};
 107
 108static struct clk pll1_sysclk6 = {
 109        .name = "pll1_sysclk6",
 110        .parent = &pll1_clk,
 111        .flags = CLK_PLL,
 112        .div_reg = PLLDIV6,
 113};
 114
 115static struct clk pll1_sysclk8 = {
 116        .name = "pll1_sysclk8",
 117        .parent = &pll1_clk,
 118        .flags = CLK_PLL,
 119        .div_reg = PLLDIV8,
 120};
 121
 122static struct clk pll1_sysclk9 = {
 123        .name = "pll1_sysclk9",
 124        .parent = &pll1_clk,
 125        .flags = CLK_PLL,
 126        .div_reg = PLLDIV9,
 127};
 128
 129static struct clk pll1_sysclkbp = {
 130        .name = "pll1_sysclkbp",
 131        .parent = &pll1_clk,
 132        .flags = CLK_PLL | PRE_PLL,
 133        .div_reg = BPDIV,
 134};
 135
 136static struct clk pll1_aux_clk = {
 137        .name = "pll1_aux_clk",
 138        .parent = &pll1_clk,
 139        .flags = CLK_PLL | PRE_PLL,
 140};
 141
 142static struct clk pll2_clk = {
 143        .name = "pll2_clk",
 144        .parent = &ref_clk,
 145        .pll_data = &pll2_data,
 146        .flags = CLK_PLL,
 147};
 148
 149static struct clk pll2_sysclk1 = {
 150        .name = "pll2_sysclk1",
 151        .parent = &pll2_clk,
 152        .flags = CLK_PLL,
 153        .div_reg = PLLDIV1,
 154};
 155
 156static struct clk dsp_clk = {
 157        .name = "dsp",
 158        .parent = &pll1_sysclk1,
 159        .lpsc = DM646X_LPSC_C64X_CPU,
 160        .flags = PSC_DSP,
 161        .usecount = 1,                  /* REVISIT how to disable? */
 162};
 163
 164static struct clk arm_clk = {
 165        .name = "arm",
 166        .parent = &pll1_sysclk2,
 167        .lpsc = DM646X_LPSC_ARM,
 168        .flags = ALWAYS_ENABLED,
 169};
 170
 171static struct clk edma_cc_clk = {
 172        .name = "edma_cc",
 173        .parent = &pll1_sysclk2,
 174        .lpsc = DM646X_LPSC_TPCC,
 175        .flags = ALWAYS_ENABLED,
 176};
 177
 178static struct clk edma_tc0_clk = {
 179        .name = "edma_tc0",
 180        .parent = &pll1_sysclk2,
 181        .lpsc = DM646X_LPSC_TPTC0,
 182        .flags = ALWAYS_ENABLED,
 183};
 184
 185static struct clk edma_tc1_clk = {
 186        .name = "edma_tc1",
 187        .parent = &pll1_sysclk2,
 188        .lpsc = DM646X_LPSC_TPTC1,
 189        .flags = ALWAYS_ENABLED,
 190};
 191
 192static struct clk edma_tc2_clk = {
 193        .name = "edma_tc2",
 194        .parent = &pll1_sysclk2,
 195        .lpsc = DM646X_LPSC_TPTC2,
 196        .flags = ALWAYS_ENABLED,
 197};
 198
 199static struct clk edma_tc3_clk = {
 200        .name = "edma_tc3",
 201        .parent = &pll1_sysclk2,
 202        .lpsc = DM646X_LPSC_TPTC3,
 203        .flags = ALWAYS_ENABLED,
 204};
 205
 206static struct clk uart0_clk = {
 207        .name = "uart0",
 208        .parent = &aux_clkin,
 209        .lpsc = DM646X_LPSC_UART0,
 210};
 211
 212static struct clk uart1_clk = {
 213        .name = "uart1",
 214        .parent = &aux_clkin,
 215        .lpsc = DM646X_LPSC_UART1,
 216};
 217
 218static struct clk uart2_clk = {
 219        .name = "uart2",
 220        .parent = &aux_clkin,
 221        .lpsc = DM646X_LPSC_UART2,
 222};
 223
 224static struct clk i2c_clk = {
 225        .name = "I2CCLK",
 226        .parent = &pll1_sysclk3,
 227        .lpsc = DM646X_LPSC_I2C,
 228};
 229
 230static struct clk gpio_clk = {
 231        .name = "gpio",
 232        .parent = &pll1_sysclk3,
 233        .lpsc = DM646X_LPSC_GPIO,
 234};
 235
 236static struct clk mcasp0_clk = {
 237        .name = "mcasp0",
 238        .parent = &pll1_sysclk3,
 239        .lpsc = DM646X_LPSC_McASP0,
 240};
 241
 242static struct clk mcasp1_clk = {
 243        .name = "mcasp1",
 244        .parent = &pll1_sysclk3,
 245        .lpsc = DM646X_LPSC_McASP1,
 246};
 247
 248static struct clk aemif_clk = {
 249        .name = "aemif",
 250        .parent = &pll1_sysclk3,
 251        .lpsc = DM646X_LPSC_AEMIF,
 252        .flags = ALWAYS_ENABLED,
 253};
 254
 255static struct clk emac_clk = {
 256        .name = "emac",
 257        .parent = &pll1_sysclk3,
 258        .lpsc = DM646X_LPSC_EMAC,
 259};
 260
 261static struct clk pwm0_clk = {
 262        .name = "pwm0",
 263        .parent = &pll1_sysclk3,
 264        .lpsc = DM646X_LPSC_PWM0,
 265        .usecount = 1,            /* REVIST: disabling hangs system */
 266};
 267
 268static struct clk pwm1_clk = {
 269        .name = "pwm1",
 270        .parent = &pll1_sysclk3,
 271        .lpsc = DM646X_LPSC_PWM1,
 272        .usecount = 1,            /* REVIST: disabling hangs system */
 273};
 274
 275static struct clk timer0_clk = {
 276        .name = "timer0",
 277        .parent = &pll1_sysclk3,
 278        .lpsc = DM646X_LPSC_TIMER0,
 279};
 280
 281static struct clk timer1_clk = {
 282        .name = "timer1",
 283        .parent = &pll1_sysclk3,
 284        .lpsc = DM646X_LPSC_TIMER1,
 285};
 286
 287static struct clk timer2_clk = {
 288        .name = "timer2",
 289        .parent = &pll1_sysclk3,
 290        .flags = ALWAYS_ENABLED, /* no LPSC, always enabled; c.f. spruep9a */
 291};
 292
 293
 294static struct clk ide_clk = {
 295        .name = "ide",
 296        .parent = &pll1_sysclk4,
 297        .lpsc = DAVINCI_LPSC_ATA,
 298};
 299
 300static struct clk vpif0_clk = {
 301        .name = "vpif0",
 302        .parent = &ref_clk,
 303        .lpsc = DM646X_LPSC_VPSSMSTR,
 304        .flags = ALWAYS_ENABLED,
 305};
 306
 307static struct clk vpif1_clk = {
 308        .name = "vpif1",
 309        .parent = &ref_clk,
 310        .lpsc = DM646X_LPSC_VPSSSLV,
 311        .flags = ALWAYS_ENABLED,
 312};
 313
 314static struct clk_lookup dm646x_clks[] = {
 315        CLK(NULL, "ref", &ref_clk),
 316        CLK(NULL, "aux", &aux_clkin),
 317        CLK(NULL, "pll1", &pll1_clk),
 318        CLK(NULL, "pll1_sysclk", &pll1_sysclk1),
 319        CLK(NULL, "pll1_sysclk", &pll1_sysclk2),
 320        CLK(NULL, "pll1_sysclk", &pll1_sysclk3),
 321        CLK(NULL, "pll1_sysclk", &pll1_sysclk4),
 322        CLK(NULL, "pll1_sysclk", &pll1_sysclk5),
 323        CLK(NULL, "pll1_sysclk", &pll1_sysclk6),
 324        CLK(NULL, "pll1_sysclk", &pll1_sysclk8),
 325        CLK(NULL, "pll1_sysclk", &pll1_sysclk9),
 326        CLK(NULL, "pll1_sysclk", &pll1_sysclkbp),
 327        CLK(NULL, "pll1_aux", &pll1_aux_clk),
 328        CLK(NULL, "pll2", &pll2_clk),
 329        CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
 330        CLK(NULL, "dsp", &dsp_clk),
 331        CLK(NULL, "arm", &arm_clk),
 332        CLK(NULL, "edma_cc", &edma_cc_clk),
 333        CLK(NULL, "edma_tc0", &edma_tc0_clk),
 334        CLK(NULL, "edma_tc1", &edma_tc1_clk),
 335        CLK(NULL, "edma_tc2", &edma_tc2_clk),
 336        CLK(NULL, "edma_tc3", &edma_tc3_clk),
 337        CLK(NULL, "uart0", &uart0_clk),
 338        CLK(NULL, "uart1", &uart1_clk),
 339        CLK(NULL, "uart2", &uart2_clk),
 340        CLK("i2c_davinci.1", NULL, &i2c_clk),
 341        CLK(NULL, "gpio", &gpio_clk),
 342        CLK("davinci-mcasp.0", NULL, &mcasp0_clk),
 343        CLK("davinci-mcasp.1", NULL, &mcasp1_clk),
 344        CLK(NULL, "aemif", &aemif_clk),
 345        CLK("davinci_emac.1", NULL, &emac_clk),
 346        CLK(NULL, "pwm0", &pwm0_clk),
 347        CLK(NULL, "pwm1", &pwm1_clk),
 348        CLK(NULL, "timer0", &timer0_clk),
 349        CLK(NULL, "timer1", &timer1_clk),
 350        CLK("watchdog", NULL, &timer2_clk),
 351        CLK("palm_bk3710", NULL, &ide_clk),
 352        CLK(NULL, "vpif0", &vpif0_clk),
 353        CLK(NULL, "vpif1", &vpif1_clk),
 354        CLK(NULL, NULL, NULL),
 355};
 356
 357static struct emac_platform_data dm646x_emac_pdata = {
 358        .ctrl_reg_offset        = DM646X_EMAC_CNTRL_OFFSET,
 359        .ctrl_mod_reg_offset    = DM646X_EMAC_CNTRL_MOD_OFFSET,
 360        .ctrl_ram_offset        = DM646X_EMAC_CNTRL_RAM_OFFSET,
 361        .ctrl_ram_size          = DM646X_EMAC_CNTRL_RAM_SIZE,
 362        .version                = EMAC_VERSION_2,
 363};
 364
 365static struct resource dm646x_emac_resources[] = {
 366        {
 367                .start  = DM646X_EMAC_BASE,
 368                .end    = DM646X_EMAC_BASE + SZ_16K - 1,
 369                .flags  = IORESOURCE_MEM,
 370        },
 371        {
 372                .start  = IRQ_DM646X_EMACRXTHINT,
 373                .end    = IRQ_DM646X_EMACRXTHINT,
 374                .flags  = IORESOURCE_IRQ,
 375        },
 376        {
 377                .start  = IRQ_DM646X_EMACRXINT,
 378                .end    = IRQ_DM646X_EMACRXINT,
 379                .flags  = IORESOURCE_IRQ,
 380        },
 381        {
 382                .start  = IRQ_DM646X_EMACTXINT,
 383                .end    = IRQ_DM646X_EMACTXINT,
 384                .flags  = IORESOURCE_IRQ,
 385        },
 386        {
 387                .start  = IRQ_DM646X_EMACMISCINT,
 388                .end    = IRQ_DM646X_EMACMISCINT,
 389                .flags  = IORESOURCE_IRQ,
 390        },
 391};
 392
 393static struct platform_device dm646x_emac_device = {
 394        .name           = "davinci_emac",
 395        .id             = 1,
 396        .dev = {
 397                .platform_data  = &dm646x_emac_pdata,
 398        },
 399        .num_resources  = ARRAY_SIZE(dm646x_emac_resources),
 400        .resource       = dm646x_emac_resources,
 401};
 402
 403static struct resource dm646x_mdio_resources[] = {
 404        {
 405                .start  = DM646X_EMAC_MDIO_BASE,
 406                .end    = DM646X_EMAC_MDIO_BASE + SZ_4K - 1,
 407                .flags  = IORESOURCE_MEM,
 408        },
 409};
 410
 411static struct platform_device dm646x_mdio_device = {
 412        .name           = "davinci_mdio",
 413        .id             = 0,
 414        .num_resources  = ARRAY_SIZE(dm646x_mdio_resources),
 415        .resource       = dm646x_mdio_resources,
 416};
 417
 418/*
 419 * Device specific mux setup
 420 *
 421 *      soc     description     mux  mode   mode  mux    dbg
 422 *                              reg  offset mask  mode
 423 */
 424static const struct mux_config dm646x_pins[] = {
 425#ifdef CONFIG_DAVINCI_MUX
 426MUX_CFG(DM646X, ATAEN,          0,   0,     5,    1,     true)
 427
 428MUX_CFG(DM646X, AUDCK1,         0,   29,    1,    0,     false)
 429
 430MUX_CFG(DM646X, AUDCK0,         0,   28,    1,    0,     false)
 431
 432MUX_CFG(DM646X, CRGMUX,                 0,   24,    7,    5,     true)
 433
 434MUX_CFG(DM646X, STSOMUX_DISABLE,        0,   22,    3,    0,     true)
 435
 436MUX_CFG(DM646X, STSIMUX_DISABLE,        0,   20,    3,    0,     true)
 437
 438MUX_CFG(DM646X, PTSOMUX_DISABLE,        0,   18,    3,    0,     true)
 439
 440MUX_CFG(DM646X, PTSIMUX_DISABLE,        0,   16,    3,    0,     true)
 441
 442MUX_CFG(DM646X, STSOMUX,                0,   22,    3,    2,     true)
 443
 444MUX_CFG(DM646X, STSIMUX,                0,   20,    3,    2,     true)
 445
 446MUX_CFG(DM646X, PTSOMUX_PARALLEL,       0,   18,    3,    2,     true)
 447
 448MUX_CFG(DM646X, PTSIMUX_PARALLEL,       0,   16,    3,    2,     true)
 449
 450MUX_CFG(DM646X, PTSOMUX_SERIAL,         0,   18,    3,    3,     true)
 451
 452MUX_CFG(DM646X, PTSIMUX_SERIAL,         0,   16,    3,    3,     true)
 453#endif
 454};
 455
 456static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 457        [IRQ_DM646X_VP_VERTINT0]        = 7,
 458        [IRQ_DM646X_VP_VERTINT1]        = 7,
 459        [IRQ_DM646X_VP_VERTINT2]        = 7,
 460        [IRQ_DM646X_VP_VERTINT3]        = 7,
 461        [IRQ_DM646X_VP_ERRINT]          = 7,
 462        [IRQ_DM646X_RESERVED_1]         = 7,
 463        [IRQ_DM646X_RESERVED_2]         = 7,
 464        [IRQ_DM646X_WDINT]              = 7,
 465        [IRQ_DM646X_CRGENINT0]          = 7,
 466        [IRQ_DM646X_CRGENINT1]          = 7,
 467        [IRQ_DM646X_TSIFINT0]           = 7,
 468        [IRQ_DM646X_TSIFINT1]           = 7,
 469        [IRQ_DM646X_VDCEINT]            = 7,
 470        [IRQ_DM646X_USBINT]             = 7,
 471        [IRQ_DM646X_USBDMAINT]          = 7,
 472        [IRQ_DM646X_PCIINT]             = 7,
 473        [IRQ_CCINT0]                    = 7,    /* dma */
 474        [IRQ_CCERRINT]                  = 7,    /* dma */
 475        [IRQ_TCERRINT0]                 = 7,    /* dma */
 476        [IRQ_TCERRINT]                  = 7,    /* dma */
 477        [IRQ_DM646X_TCERRINT2]          = 7,
 478        [IRQ_DM646X_TCERRINT3]          = 7,
 479        [IRQ_DM646X_IDE]                = 7,
 480        [IRQ_DM646X_HPIINT]             = 7,
 481        [IRQ_DM646X_EMACRXTHINT]        = 7,
 482        [IRQ_DM646X_EMACRXINT]          = 7,
 483        [IRQ_DM646X_EMACTXINT]          = 7,
 484        [IRQ_DM646X_EMACMISCINT]        = 7,
 485        [IRQ_DM646X_MCASP0TXINT]        = 7,
 486        [IRQ_DM646X_MCASP0RXINT]        = 7,
 487        [IRQ_AEMIFINT]                  = 7,
 488        [IRQ_DM646X_RESERVED_3]         = 7,
 489        [IRQ_DM646X_MCASP1TXINT]        = 7,    /* clockevent */
 490        [IRQ_TINT0_TINT34]              = 7,    /* clocksource */
 491        [IRQ_TINT1_TINT12]              = 7,    /* DSP timer */
 492        [IRQ_TINT1_TINT34]              = 7,    /* system tick */
 493        [IRQ_PWMINT0]                   = 7,
 494        [IRQ_PWMINT1]                   = 7,
 495        [IRQ_DM646X_VLQINT]             = 7,
 496        [IRQ_I2C]                       = 7,
 497        [IRQ_UARTINT0]                  = 7,
 498        [IRQ_UARTINT1]                  = 7,
 499        [IRQ_DM646X_UARTINT2]           = 7,
 500        [IRQ_DM646X_SPINT0]             = 7,
 501        [IRQ_DM646X_SPINT1]             = 7,
 502        [IRQ_DM646X_DSP2ARMINT]         = 7,
 503        [IRQ_DM646X_RESERVED_4]         = 7,
 504        [IRQ_DM646X_PSCINT]             = 7,
 505        [IRQ_DM646X_GPIO0]              = 7,
 506        [IRQ_DM646X_GPIO1]              = 7,
 507        [IRQ_DM646X_GPIO2]              = 7,
 508        [IRQ_DM646X_GPIO3]              = 7,
 509        [IRQ_DM646X_GPIO4]              = 7,
 510        [IRQ_DM646X_GPIO5]              = 7,
 511        [IRQ_DM646X_GPIO6]              = 7,
 512        [IRQ_DM646X_GPIO7]              = 7,
 513        [IRQ_DM646X_GPIOBNK0]           = 7,
 514        [IRQ_DM646X_GPIOBNK1]           = 7,
 515        [IRQ_DM646X_GPIOBNK2]           = 7,
 516        [IRQ_DM646X_DDRINT]             = 7,
 517        [IRQ_DM646X_AEMIFINT]           = 7,
 518        [IRQ_COMMTX]                    = 7,
 519        [IRQ_COMMRX]                    = 7,
 520        [IRQ_EMUINT]                    = 7,
 521};
 522
 523/*----------------------------------------------------------------------*/
 524
 525/* Four Transfer Controllers on DM646x */
 526static const s8
 527dm646x_queue_tc_mapping[][2] = {
 528        /* {event queue no, TC no} */
 529        {0, 0},
 530        {1, 1},
 531        {2, 2},
 532        {3, 3},
 533        {-1, -1},
 534};
 535
 536static const s8
 537dm646x_queue_priority_mapping[][2] = {
 538        /* {event queue no, Priority} */
 539        {0, 4},
 540        {1, 0},
 541        {2, 5},
 542        {3, 1},
 543        {-1, -1},
 544};
 545
 546static struct edma_soc_info edma_cc0_info = {
 547        .n_channel              = 64,
 548        .n_region               = 6,    /* 0-1, 4-7 */
 549        .n_slot                 = 512,
 550        .n_tc                   = 4,
 551        .n_cc                   = 1,
 552        .queue_tc_mapping       = dm646x_queue_tc_mapping,
 553        .queue_priority_mapping = dm646x_queue_priority_mapping,
 554};
 555
 556static struct edma_soc_info *dm646x_edma_info[EDMA_MAX_CC] = {
 557        &edma_cc0_info,
 558};
 559
 560static struct resource edma_resources[] = {
 561        {
 562                .name   = "edma_cc0",
 563                .start  = 0x01c00000,
 564                .end    = 0x01c00000 + SZ_64K - 1,
 565                .flags  = IORESOURCE_MEM,
 566        },
 567        {
 568                .name   = "edma_tc0",
 569                .start  = 0x01c10000,
 570                .end    = 0x01c10000 + SZ_1K - 1,
 571                .flags  = IORESOURCE_MEM,
 572        },
 573        {
 574                .name   = "edma_tc1",
 575                .start  = 0x01c10400,
 576                .end    = 0x01c10400 + SZ_1K - 1,
 577                .flags  = IORESOURCE_MEM,
 578        },
 579        {
 580                .name   = "edma_tc2",
 581                .start  = 0x01c10800,
 582                .end    = 0x01c10800 + SZ_1K - 1,
 583                .flags  = IORESOURCE_MEM,
 584        },
 585        {
 586                .name   = "edma_tc3",
 587                .start  = 0x01c10c00,
 588                .end    = 0x01c10c00 + SZ_1K - 1,
 589                .flags  = IORESOURCE_MEM,
 590        },
 591        {
 592                .name   = "edma0",
 593                .start  = IRQ_CCINT0,
 594                .flags  = IORESOURCE_IRQ,
 595        },
 596        {
 597                .name   = "edma0_err",
 598                .start  = IRQ_CCERRINT,
 599                .flags  = IORESOURCE_IRQ,
 600        },
 601        /* not using TC*_ERR */
 602};
 603
 604static struct platform_device dm646x_edma_device = {
 605        .name                   = "edma",
 606        .id                     = 0,
 607        .dev.platform_data      = dm646x_edma_info,
 608        .num_resources          = ARRAY_SIZE(edma_resources),
 609        .resource               = edma_resources,
 610};
 611
 612static struct resource dm646x_mcasp0_resources[] = {
 613        {
 614                .name   = "mcasp0",
 615                .start  = DAVINCI_DM646X_MCASP0_REG_BASE,
 616                .end    = DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1,
 617                .flags  = IORESOURCE_MEM,
 618        },
 619        /* first TX, then RX */
 620        {
 621                .start  = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
 622                .end    = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
 623                .flags  = IORESOURCE_DMA,
 624        },
 625        {
 626                .start  = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
 627                .end    = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
 628                .flags  = IORESOURCE_DMA,
 629        },
 630};
 631
 632static struct resource dm646x_mcasp1_resources[] = {
 633        {
 634                .name   = "mcasp1",
 635                .start  = DAVINCI_DM646X_MCASP1_REG_BASE,
 636                .end    = DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1,
 637                .flags  = IORESOURCE_MEM,
 638        },
 639        /* DIT mode, only TX event */
 640        {
 641                .start  = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
 642                .end    = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
 643                .flags  = IORESOURCE_DMA,
 644        },
 645        /* DIT mode, dummy entry */
 646        {
 647                .start  = -1,
 648                .end    = -1,
 649                .flags  = IORESOURCE_DMA,
 650        },
 651};
 652
 653static struct platform_device dm646x_mcasp0_device = {
 654        .name           = "davinci-mcasp",
 655        .id             = 0,
 656        .num_resources  = ARRAY_SIZE(dm646x_mcasp0_resources),
 657        .resource       = dm646x_mcasp0_resources,
 658};
 659
 660static struct platform_device dm646x_mcasp1_device = {
 661        .name           = "davinci-mcasp",
 662        .id             = 1,
 663        .num_resources  = ARRAY_SIZE(dm646x_mcasp1_resources),
 664        .resource       = dm646x_mcasp1_resources,
 665};
 666
 667static struct platform_device dm646x_dit_device = {
 668        .name   = "spdif-dit",
 669        .id     = -1,
 670};
 671
 672static u64 vpif_dma_mask = DMA_BIT_MASK(32);
 673
 674static struct resource vpif_resource[] = {
 675        {
 676                .start  = DAVINCI_VPIF_BASE,
 677                .end    = DAVINCI_VPIF_BASE + 0x03ff,
 678                .flags  = IORESOURCE_MEM,
 679        }
 680};
 681
 682static struct platform_device vpif_dev = {
 683        .name           = "vpif",
 684        .id             = -1,
 685        .dev            = {
 686                        .dma_mask               = &vpif_dma_mask,
 687                        .coherent_dma_mask      = DMA_BIT_MASK(32),
 688        },
 689        .resource       = vpif_resource,
 690        .num_resources  = ARRAY_SIZE(vpif_resource),
 691};
 692
 693static struct resource vpif_display_resource[] = {
 694        {
 695                .start = IRQ_DM646X_VP_VERTINT2,
 696                .end   = IRQ_DM646X_VP_VERTINT2,
 697                .flags = IORESOURCE_IRQ,
 698        },
 699        {
 700                .start = IRQ_DM646X_VP_VERTINT3,
 701                .end   = IRQ_DM646X_VP_VERTINT3,
 702                .flags = IORESOURCE_IRQ,
 703        },
 704};
 705
 706static struct platform_device vpif_display_dev = {
 707        .name           = "vpif_display",
 708        .id             = -1,
 709        .dev            = {
 710                        .dma_mask               = &vpif_dma_mask,
 711                        .coherent_dma_mask      = DMA_BIT_MASK(32),
 712        },
 713        .resource       = vpif_display_resource,
 714        .num_resources  = ARRAY_SIZE(vpif_display_resource),
 715};
 716
 717static struct resource vpif_capture_resource[] = {
 718        {
 719                .start = IRQ_DM646X_VP_VERTINT0,
 720                .end   = IRQ_DM646X_VP_VERTINT0,
 721                .flags = IORESOURCE_IRQ,
 722        },
 723        {
 724                .start = IRQ_DM646X_VP_VERTINT1,
 725                .end   = IRQ_DM646X_VP_VERTINT1,
 726                .flags = IORESOURCE_IRQ,
 727        },
 728};
 729
 730static struct platform_device vpif_capture_dev = {
 731        .name           = "vpif_capture",
 732        .id             = -1,
 733        .dev            = {
 734                        .dma_mask               = &vpif_dma_mask,
 735                        .coherent_dma_mask      = DMA_BIT_MASK(32),
 736        },
 737        .resource       = vpif_capture_resource,
 738        .num_resources  = ARRAY_SIZE(vpif_capture_resource),
 739};
 740
 741/*----------------------------------------------------------------------*/
 742
 743static struct map_desc dm646x_io_desc[] = {
 744        {
 745                .virtual        = IO_VIRT,
 746                .pfn            = __phys_to_pfn(IO_PHYS),
 747                .length         = IO_SIZE,
 748                .type           = MT_DEVICE
 749        },
 750        {
 751                .virtual        = SRAM_VIRT,
 752                .pfn            = __phys_to_pfn(0x00010000),
 753                .length         = SZ_32K,
 754                .type           = MT_MEMORY_NONCACHED,
 755        },
 756};
 757
 758/* Contents of JTAG ID register used to identify exact cpu type */
 759static struct davinci_id dm646x_ids[] = {
 760        {
 761                .variant        = 0x0,
 762                .part_no        = 0xb770,
 763                .manufacturer   = 0x017,
 764                .cpu_id         = DAVINCI_CPU_ID_DM6467,
 765                .name           = "dm6467_rev1.x",
 766        },
 767        {
 768                .variant        = 0x1,
 769                .part_no        = 0xb770,
 770                .manufacturer   = 0x017,
 771                .cpu_id         = DAVINCI_CPU_ID_DM6467,
 772                .name           = "dm6467_rev3.x",
 773        },
 774};
 775
 776static u32 dm646x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
 777
 778/*
 779 * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
 780 * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
 781 * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
 782 * T1_TOP: Timer 1, top   :  <unused>
 783 */
 784static struct davinci_timer_info dm646x_timer_info = {
 785        .timers         = davinci_timer_instance,
 786        .clockevent_id  = T0_BOT,
 787        .clocksource_id = T0_TOP,
 788};
 789
 790static struct plat_serial8250_port dm646x_serial_platform_data[] = {
 791        {
 792                .mapbase        = DAVINCI_UART0_BASE,
 793                .irq            = IRQ_UARTINT0,
 794                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 795                                  UPF_IOREMAP,
 796                .iotype         = UPIO_MEM32,
 797                .regshift       = 2,
 798        },
 799        {
 800                .mapbase        = DAVINCI_UART1_BASE,
 801                .irq            = IRQ_UARTINT1,
 802                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 803                                  UPF_IOREMAP,
 804                .iotype         = UPIO_MEM32,
 805                .regshift       = 2,
 806        },
 807        {
 808                .mapbase        = DAVINCI_UART2_BASE,
 809                .irq            = IRQ_DM646X_UARTINT2,
 810                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 811                                  UPF_IOREMAP,
 812                .iotype         = UPIO_MEM32,
 813                .regshift       = 2,
 814        },
 815        {
 816                .flags          = 0
 817        },
 818};
 819
 820static struct platform_device dm646x_serial_device = {
 821        .name                   = "serial8250",
 822        .id                     = PLAT8250_DEV_PLATFORM,
 823        .dev                    = {
 824                .platform_data  = dm646x_serial_platform_data,
 825        },
 826};
 827
 828static struct davinci_soc_info davinci_soc_info_dm646x = {
 829        .io_desc                = dm646x_io_desc,
 830        .io_desc_num            = ARRAY_SIZE(dm646x_io_desc),
 831        .jtag_id_reg            = 0x01c40028,
 832        .ids                    = dm646x_ids,
 833        .ids_num                = ARRAY_SIZE(dm646x_ids),
 834        .cpu_clks               = dm646x_clks,
 835        .psc_bases              = dm646x_psc_bases,
 836        .psc_bases_num          = ARRAY_SIZE(dm646x_psc_bases),
 837        .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
 838        .pinmux_pins            = dm646x_pins,
 839        .pinmux_pins_num        = ARRAY_SIZE(dm646x_pins),
 840        .intc_base              = DAVINCI_ARM_INTC_BASE,
 841        .intc_type              = DAVINCI_INTC_TYPE_AINTC,
 842        .intc_irq_prios         = dm646x_default_priorities,
 843        .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
 844        .timer_info             = &dm646x_timer_info,
 845        .gpio_type              = GPIO_TYPE_DAVINCI,
 846        .gpio_base              = DAVINCI_GPIO_BASE,
 847        .gpio_num               = 43, /* Only 33 usable */
 848        .gpio_irq               = IRQ_DM646X_GPIOBNK0,
 849        .serial_dev             = &dm646x_serial_device,
 850        .emac_pdata             = &dm646x_emac_pdata,
 851        .sram_dma               = 0x10010000,
 852        .sram_len               = SZ_32K,
 853        .reset_device           = &davinci_wdt_device,
 854};
 855
 856void __init dm646x_init_mcasp0(struct snd_platform_data *pdata)
 857{
 858        dm646x_mcasp0_device.dev.platform_data = pdata;
 859        platform_device_register(&dm646x_mcasp0_device);
 860}
 861
 862void __init dm646x_init_mcasp1(struct snd_platform_data *pdata)
 863{
 864        dm646x_mcasp1_device.dev.platform_data = pdata;
 865        platform_device_register(&dm646x_mcasp1_device);
 866        platform_device_register(&dm646x_dit_device);
 867}
 868
 869void dm646x_setup_vpif(struct vpif_display_config *display_config,
 870                       struct vpif_capture_config *capture_config)
 871{
 872        unsigned int value;
 873        void __iomem *base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE);
 874
 875        value = __raw_readl(base + VSCLKDIS_OFFSET);
 876        value &= ~VSCLKDIS_MASK;
 877        __raw_writel(value, base + VSCLKDIS_OFFSET);
 878
 879        value = __raw_readl(base + VDD3P3V_PWDN_OFFSET);
 880        value &= ~VDD3P3V_VID_MASK;
 881        __raw_writel(value, base + VDD3P3V_PWDN_OFFSET);
 882
 883        davinci_cfg_reg(DM646X_STSOMUX_DISABLE);
 884        davinci_cfg_reg(DM646X_STSIMUX_DISABLE);
 885        davinci_cfg_reg(DM646X_PTSOMUX_DISABLE);
 886        davinci_cfg_reg(DM646X_PTSIMUX_DISABLE);
 887
 888        vpif_display_dev.dev.platform_data = display_config;
 889        vpif_capture_dev.dev.platform_data = capture_config;
 890        platform_device_register(&vpif_dev);
 891        platform_device_register(&vpif_display_dev);
 892        platform_device_register(&vpif_capture_dev);
 893}
 894
 895int __init dm646x_init_edma(struct edma_rsv_info *rsv)
 896{
 897        edma_cc0_info.rsv = rsv;
 898
 899        return platform_device_register(&dm646x_edma_device);
 900}
 901
 902void __init dm646x_init(void)
 903{
 904        dm646x_board_setup_refclk(&ref_clk);
 905        davinci_common_init(&davinci_soc_info_dm646x);
 906}
 907
 908static int __init dm646x_init_devices(void)
 909{
 910        if (!cpu_is_davinci_dm646x())
 911                return 0;
 912
 913        platform_device_register(&dm646x_mdio_device);
 914        platform_device_register(&dm646x_emac_device);
 915        clk_add_alias(NULL, dev_name(&dm646x_mdio_device.dev),
 916                      NULL, &dm646x_emac_device.dev);
 917
 918        return 0;
 919}
 920postcore_initcall(dm646x_init_devices);
 921