arch/arm/mach-davinci/dm646x.c

   1 /*
   2  * TI DaVinci DM644x chip specific setup
   3  *
   4  * Author: Kevin Hilman, Deep Root Systems, LLC
   5  *
   6  * 2007 (c) Deep Root Systems, LLC. This file is licensed under
   7  * the terms of the GNU General Public License version 2. This program
   8  * is licensed "as is" without any warranty of any kind, whether express
   9  * or implied.
  10  */
  11 #include <linux/dma-mapping.h>
  12 #include <linux/init.h>
  13 #include <linux/clk.h>
  14 #include <linux/serial_8250.h>
  15 #include <linux/platform_device.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 #include <mach/gpio-davinci.h>
  30
  31 #include "clock.h"
  32 #include "mux.h"
  33
  34 #define DAVINCI_VPIF_BASE       (0x01C12000)
  35 #define VDD3P3V_PWDN_OFFSET     (0x48)
  36 #define VSCLKDIS_OFFSET         (0x6C)
  37
  38 #define VDD3P3V_VID_MASK        (BIT_MASK(3) | BIT_MASK(2) | BIT_MASK(1) |\
  39                                         BIT_MASK(0))
  40 #define VSCLKDIS_MASK           (BIT_MASK(11) | BIT_MASK(10) | BIT_MASK(9) |\
  41                                         BIT_MASK(8))
  42
  43 /*
  44  * Device specific clocks
  45  */
  46 #define DM646X_REF_FREQ         27000000
  47 #define DM646X_AUX_FREQ         24000000
  48
  49 static struct pll_data pll1_data = {
  50         .num       = 1,
  51         .phys_base = DAVINCI_PLL1_BASE,
  52 };
  53
  54 static struct pll_data pll2_data = {
  55         .num       = 2,
  56         .phys_base = DAVINCI_PLL2_BASE,
  57 };
  58
  59 static struct clk ref_clk = {
  60         .name = "ref_clk",
  61         .rate = DM646X_REF_FREQ,
  62         .set_rate = davinci_simple_set_rate,
  63 };
  64
  65 static struct clk aux_clkin = {
  66         .name = "aux_clkin",
  67         .rate = DM646X_AUX_FREQ,
  68 };
  69
  70 static struct clk pll1_clk = {
  71         .name = "pll1",
  72         .parent = &ref_clk,
  73         .pll_data = &pll1_data,
  74         .flags = CLK_PLL,
  75 };
  76
  77 static struct clk pll1_sysclk1 = {
  78         .name = "pll1_sysclk1",
  79         .parent = &pll1_clk,
  80         .flags = CLK_PLL,
  81         .div_reg = PLLDIV1,
  82 };
  83
  84 static struct clk pll1_sysclk2 = {
  85         .name = "pll1_sysclk2",
  86         .parent = &pll1_clk,
  87         .flags = CLK_PLL,
  88         .div_reg = PLLDIV2,
  89 };
  90
  91 static struct clk pll1_sysclk3 = {
  92         .name = "pll1_sysclk3",
  93         .parent = &pll1_clk,
  94         .flags = CLK_PLL,
  95         .div_reg = PLLDIV3,
  96 };
  97
  98 static struct clk pll1_sysclk4 = {
  99         .name = "pll1_sysclk4",
 100         .parent = &pll1_clk,
 101         .flags = CLK_PLL,
 102         .div_reg = PLLDIV4,
 103 };
 104
 105 static struct clk pll1_sysclk5 = {
 106         .name = "pll1_sysclk5",
 107         .parent = &pll1_clk,
 108         .flags = CLK_PLL,
 109         .div_reg = PLLDIV5,
 110 };
 111
 112 static struct clk pll1_sysclk6 = {
 113         .name = "pll1_sysclk6",
 114         .parent = &pll1_clk,
 115         .flags = CLK_PLL,
 116         .div_reg = PLLDIV6,
 117 };
 118
 119 static struct clk pll1_sysclk8 = {
 120         .name = "pll1_sysclk8",
 121         .parent = &pll1_clk,
 122         .flags = CLK_PLL,
 123         .div_reg = PLLDIV8,
 124 };
 125
 126 static struct clk pll1_sysclk9 = {
 127         .name = "pll1_sysclk9",
 128         .parent = &pll1_clk,
 129         .flags = CLK_PLL,
 130         .div_reg = PLLDIV9,
 131 };
 132
 133 static struct clk pll1_sysclkbp = {
 134         .name = "pll1_sysclkbp",
 135         .parent = &pll1_clk,
 136         .flags = CLK_PLL | PRE_PLL,
 137         .div_reg = BPDIV,
 138 };
 139
 140 static struct clk pll1_aux_clk = {
 141         .name = "pll1_aux_clk",
 142         .parent = &pll1_clk,
 143         .flags = CLK_PLL | PRE_PLL,
 144 };
 145
 146 static struct clk pll2_clk = {
 147         .name = "pll2_clk",
 148         .parent = &ref_clk,
 149         .pll_data = &pll2_data,
 150         .flags = CLK_PLL,
 151 };
 152
 153 static struct clk pll2_sysclk1 = {
 154         .name = "pll2_sysclk1",
 155         .parent = &pll2_clk,
 156         .flags = CLK_PLL,
 157         .div_reg = PLLDIV1,
 158 };
 159
 160 static struct clk dsp_clk = {
 161         .name = "dsp",
 162         .parent = &pll1_sysclk1,
 163         .lpsc = DM646X_LPSC_C64X_CPU,
 164         .flags = PSC_DSP,
 165         .usecount = 1,                  /* REVISIT how to disable? */
 166 };
 167
 168 static struct clk arm_clk = {
 169         .name = "arm",
 170         .parent = &pll1_sysclk2,
 171         .lpsc = DM646X_LPSC_ARM,
 172         .flags = ALWAYS_ENABLED,
 173 };
 174
 175 static struct clk edma_cc_clk = {
 176         .name = "edma_cc",
 177         .parent = &pll1_sysclk2,
 178         .lpsc = DM646X_LPSC_TPCC,
 179         .flags = ALWAYS_ENABLED,
 180 };
 181
 182 static struct clk edma_tc0_clk = {
 183         .name = "edma_tc0",
 184         .parent = &pll1_sysclk2,
 185         .lpsc = DM646X_LPSC_TPTC0,
 186         .flags = ALWAYS_ENABLED,
 187 };
 188
 189 static struct clk edma_tc1_clk = {
 190         .name = "edma_tc1",
 191         .parent = &pll1_sysclk2,
 192         .lpsc = DM646X_LPSC_TPTC1,
 193         .flags = ALWAYS_ENABLED,
 194 };
 195
 196 static struct clk edma_tc2_clk = {
 197         .name = "edma_tc2",
 198         .parent = &pll1_sysclk2,
 199         .lpsc = DM646X_LPSC_TPTC2,
 200         .flags = ALWAYS_ENABLED,
 201 };
 202
 203 static struct clk edma_tc3_clk = {
 204         .name = "edma_tc3",
 205         .parent = &pll1_sysclk2,
 206         .lpsc = DM646X_LPSC_TPTC3,
 207         .flags = ALWAYS_ENABLED,
 208 };
 209
 210 static struct clk uart0_clk = {
 211         .name = "uart0",
 212         .parent = &aux_clkin,
 213         .lpsc = DM646X_LPSC_UART0,
 214 };
 215
 216 static struct clk uart1_clk = {
 217         .name = "uart1",
 218         .parent = &aux_clkin,
 219         .lpsc = DM646X_LPSC_UART1,
 220 };
 221
 222 static struct clk uart2_clk = {
 223         .name = "uart2",
 224         .parent = &aux_clkin,
 225         .lpsc = DM646X_LPSC_UART2,
 226 };
 227
 228 static struct clk i2c_clk = {
 229         .name = "I2CCLK",
 230         .parent = &pll1_sysclk3,
 231         .lpsc = DM646X_LPSC_I2C,
 232 };
 233
 234 static struct clk gpio_clk = {
 235         .name = "gpio",
 236         .parent = &pll1_sysclk3,
 237         .lpsc = DM646X_LPSC_GPIO,
 238 };
 239
 240 static struct clk mcasp0_clk = {
 241         .name = "mcasp0",
 242         .parent = &pll1_sysclk3,
 243         .lpsc = DM646X_LPSC_McASP0,
 244 };
 245
 246 static struct clk mcasp1_clk = {
 247         .name = "mcasp1",
 248         .parent = &pll1_sysclk3,
 249         .lpsc = DM646X_LPSC_McASP1,
 250 };
 251
 252 static struct clk aemif_clk = {
 253         .name = "aemif",
 254         .parent = &pll1_sysclk3,
 255         .lpsc = DM646X_LPSC_AEMIF,
 256         .flags = ALWAYS_ENABLED,
 257 };
 258
 259 static struct clk emac_clk = {
 260         .name = "emac",
 261         .parent = &pll1_sysclk3,
 262         .lpsc = DM646X_LPSC_EMAC,
 263 };
 264
 265 static struct clk pwm0_clk = {
 266         .name = "pwm0",
 267         .parent = &pll1_sysclk3,
 268         .lpsc = DM646X_LPSC_PWM0,
 269         .usecount = 1,            /* REVIST: disabling hangs system */
 270 };
 271
 272 static struct clk pwm1_clk = {
 273         .name = "pwm1",
 274         .parent = &pll1_sysclk3,
 275         .lpsc = DM646X_LPSC_PWM1,
 276         .usecount = 1,            /* REVIST: disabling hangs system */
 277 };
 278
 279 static struct clk timer0_clk = {
 280         .name = "timer0",
 281         .parent = &pll1_sysclk3,
 282         .lpsc = DM646X_LPSC_TIMER0,
 283 };
 284
 285 static struct clk timer1_clk = {
 286         .name = "timer1",
 287         .parent = &pll1_sysclk3,
 288         .lpsc = DM646X_LPSC_TIMER1,
 289 };
 290
 291 static struct clk timer2_clk = {
 292         .name = "timer2",
 293         .parent = &pll1_sysclk3,
 294         .flags = ALWAYS_ENABLED, /* no LPSC, always enabled; c.f. spruep9a */
 295 };
 296
 297
 298 static struct clk ide_clk = {
 299         .name = "ide",
 300         .parent = &pll1_sysclk4,
 301         .lpsc = DAVINCI_LPSC_ATA,
 302 };
 303
 304 static struct clk vpif0_clk = {
 305         .name = "vpif0",
 306         .parent = &ref_clk,
 307         .lpsc = DM646X_LPSC_VPSSMSTR,
 308         .flags = ALWAYS_ENABLED,
 309 };
 310
 311 static struct clk vpif1_clk = {
 312         .name = "vpif1",
 313         .parent = &ref_clk,
 314         .lpsc = DM646X_LPSC_VPSSSLV,
 315         .flags = ALWAYS_ENABLED,
 316 };
 317
 318 static struct clk_lookup dm646x_clks[] = {
 319         CLK(NULL, "ref", &ref_clk),
 320         CLK(NULL, "aux", &aux_clkin),
 321         CLK(NULL, "pll1", &pll1_clk),
 322         CLK(NULL, "pll1_sysclk", &pll1_sysclk1),
 323         CLK(NULL, "pll1_sysclk", &pll1_sysclk2),
 324         CLK(NULL, "pll1_sysclk", &pll1_sysclk3),
 325         CLK(NULL, "pll1_sysclk", &pll1_sysclk4),
 326         CLK(NULL, "pll1_sysclk", &pll1_sysclk5),
 327         CLK(NULL, "pll1_sysclk", &pll1_sysclk6),
 328         CLK(NULL, "pll1_sysclk", &pll1_sysclk8),
 329         CLK(NULL, "pll1_sysclk", &pll1_sysclk9),
 330         CLK(NULL, "pll1_sysclk", &pll1_sysclkbp),
 331         CLK(NULL, "pll1_aux", &pll1_aux_clk),
 332         CLK(NULL, "pll2", &pll2_clk),
 333         CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
 334         CLK(NULL, "dsp", &dsp_clk),
 335         CLK(NULL, "arm", &arm_clk),
 336         CLK(NULL, "edma_cc", &edma_cc_clk),
 337         CLK(NULL, "edma_tc0", &edma_tc0_clk),
 338         CLK(NULL, "edma_tc1", &edma_tc1_clk),
 339         CLK(NULL, "edma_tc2", &edma_tc2_clk),
 340         CLK(NULL, "edma_tc3", &edma_tc3_clk),
 341         CLK(NULL, "uart0", &uart0_clk),
 342         CLK(NULL, "uart1", &uart1_clk),
 343         CLK(NULL, "uart2", &uart2_clk),
 344         CLK("i2c_davinci.1", NULL, &i2c_clk),
 345         CLK(NULL, "gpio", &gpio_clk),
 346         CLK("davinci-mcasp.0", NULL, &mcasp0_clk),
 347         CLK("davinci-mcasp.1", NULL, &mcasp1_clk),
 348         CLK(NULL, "aemif", &aemif_clk),
 349         CLK("davinci_emac.1", NULL, &emac_clk),
 350         CLK(NULL, "pwm0", &pwm0_clk),
 351         CLK(NULL, "pwm1", &pwm1_clk),
 352         CLK(NULL, "timer0", &timer0_clk),
 353         CLK(NULL, "timer1", &timer1_clk),
 354         CLK("watchdog", NULL, &timer2_clk),
 355         CLK("palm_bk3710", NULL, &ide_clk),
 356         CLK(NULL, "vpif0", &vpif0_clk),
 357         CLK(NULL, "vpif1", &vpif1_clk),
 358         CLK(NULL, NULL, NULL),
 359 };
 360
 361 static struct emac_platform_data dm646x_emac_pdata = {
 362         .ctrl_reg_offset        = DM646X_EMAC_CNTRL_OFFSET,
 363         .ctrl_mod_reg_offset    = DM646X_EMAC_CNTRL_MOD_OFFSET,
 364         .ctrl_ram_offset        = DM646X_EMAC_CNTRL_RAM_OFFSET,
 365         .ctrl_ram_size          = DM646X_EMAC_CNTRL_RAM_SIZE,
 366         .version                = EMAC_VERSION_2,
 367 };
 368
 369 static struct resource dm646x_emac_resources[] = {
 370         {
 371                 .start  = DM646X_EMAC_BASE,
 372                 .end    = DM646X_EMAC_BASE + SZ_16K - 1,
 373                 .flags  = IORESOURCE_MEM,
 374         },
 375         {
 376                 .start  = IRQ_DM646X_EMACRXTHINT,
 377                 .end    = IRQ_DM646X_EMACRXTHINT,
 378                 .flags  = IORESOURCE_IRQ,
 379         },
 380         {
 381                 .start  = IRQ_DM646X_EMACRXINT,
 382                 .end    = IRQ_DM646X_EMACRXINT,
 383                 .flags  = IORESOURCE_IRQ,
 384         },
 385         {
 386                 .start  = IRQ_DM646X_EMACTXINT,
 387                 .end    = IRQ_DM646X_EMACTXINT,
 388                 .flags  = IORESOURCE_IRQ,
 389         },
 390         {
 391                 .start  = IRQ_DM646X_EMACMISCINT,
 392                 .end    = IRQ_DM646X_EMACMISCINT,
 393                 .flags  = IORESOURCE_IRQ,
 394         },
 395 };
 396
 397 static struct platform_device dm646x_emac_device = {
 398         .name           = "davinci_emac",
 399         .id             = 1,
 400         .dev = {
 401                 .platform_data  = &dm646x_emac_pdata,
 402         },
 403         .num_resources  = ARRAY_SIZE(dm646x_emac_resources),
 404         .resource       = dm646x_emac_resources,
 405 };
 406
 407 static struct resource dm646x_mdio_resources[] = {
 408         {
 409                 .start  = DM646X_EMAC_MDIO_BASE,
 410                 .end    = DM646X_EMAC_MDIO_BASE + SZ_4K - 1,
 411                 .flags  = IORESOURCE_MEM,
 412         },
 413 };
 414
 415 static struct platform_device dm646x_mdio_device = {
 416         .name           = "davinci_mdio",
 417         .id             = 0,
 418         .num_resources  = ARRAY_SIZE(dm646x_mdio_resources),
 419         .resource       = dm646x_mdio_resources,
 420 };
 421
 422 /*
 423  * Device specific mux setup
 424  *
 425  *      soc     description     mux  mode   mode  mux    dbg
 426  *                              reg  offset mask  mode
 427  */
 428 static const struct mux_config dm646x_pins[] = {
 429 #ifdef CONFIG_DAVINCI_MUX
 430 MUX_CFG(DM646X, ATAEN,          0,   0,     5,    1,     true)
 431
 432 MUX_CFG(DM646X, AUDCK1,         0,   29,    1,    0,     false)
 433
 434 MUX_CFG(DM646X, AUDCK0,         0,   28,    1,    0,     false)
 435
 436 MUX_CFG(DM646X, CRGMUX,                 0,   24,    7,    5,     true)
 437
 438 MUX_CFG(DM646X, STSOMUX_DISABLE,        0,   22,    3,    0,     true)
 439
 440 MUX_CFG(DM646X, STSIMUX_DISABLE,        0,   20,    3,    0,     true)
 441
 442 MUX_CFG(DM646X, PTSOMUX_DISABLE,        0,   18,    3,    0,     true)
 443
 444 MUX_CFG(DM646X, PTSIMUX_DISABLE,        0,   16,    3,    0,     true)
 445
 446 MUX_CFG(DM646X, STSOMUX,                0,   22,    3,    2,     true)
 447
 448 MUX_CFG(DM646X, STSIMUX,                0,   20,    3,    2,     true)
 449
 450 MUX_CFG(DM646X, PTSOMUX_PARALLEL,       0,   18,    3,    2,     true)
 451
 452 MUX_CFG(DM646X, PTSIMUX_PARALLEL,       0,   16,    3,    2,     true)
 453
 454 MUX_CFG(DM646X, PTSOMUX_SERIAL,         0,   18,    3,    3,     true)
 455
 456 MUX_CFG(DM646X, PTSIMUX_SERIAL,         0,   16,    3,    3,     true)
 457 #endif
 458 };
 459
 460 static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 461         [IRQ_DM646X_VP_VERTINT0]        = 7,
 462         [IRQ_DM646X_VP_VERTINT1]        = 7,
 463         [IRQ_DM646X_VP_VERTINT2]        = 7,
 464         [IRQ_DM646X_VP_VERTINT3]        = 7,
 465         [IRQ_DM646X_VP_ERRINT]          = 7,
 466         [IRQ_DM646X_RESERVED_1]         = 7,
 467         [IRQ_DM646X_RESERVED_2]         = 7,
 468         [IRQ_DM646X_WDINT]              = 7,
 469         [IRQ_DM646X_CRGENINT0]          = 7,
 470         [IRQ_DM646X_CRGENINT1]          = 7,
 471         [IRQ_DM646X_TSIFINT0]           = 7,
 472         [IRQ_DM646X_TSIFINT1]           = 7,
 473         [IRQ_DM646X_VDCEINT]            = 7,
 474         [IRQ_DM646X_USBINT]             = 7,
 475         [IRQ_DM646X_USBDMAINT]          = 7,
 476         [IRQ_DM646X_PCIINT]             = 7,
 477         [IRQ_CCINT0]                    = 7,    /* dma */
 478         [IRQ_CCERRINT]                  = 7,    /* dma */
 479         [IRQ_TCERRINT0]                 = 7,    /* dma */
 480         [IRQ_TCERRINT]                  = 7,    /* dma */
 481         [IRQ_DM646X_TCERRINT2]          = 7,
 482         [IRQ_DM646X_TCERRINT3]          = 7,
 483         [IRQ_DM646X_IDE]                = 7,
 484         [IRQ_DM646X_HPIINT]             = 7,
 485         [IRQ_DM646X_EMACRXTHINT]        = 7,
 486         [IRQ_DM646X_EMACRXINT]          = 7,
 487         [IRQ_DM646X_EMACTXINT]          = 7,
 488         [IRQ_DM646X_EMACMISCINT]        = 7,
 489         [IRQ_DM646X_MCASP0TXINT]        = 7,
 490         [IRQ_DM646X_MCASP0RXINT]        = 7,
 491         [IRQ_AEMIFINT]                  = 7,
 492         [IRQ_DM646X_RESERVED_3]         = 7,
 493         [IRQ_DM646X_MCASP1TXINT]        = 7,    /* clockevent */
 494         [IRQ_TINT0_TINT34]              = 7,    /* clocksource */
 495         [IRQ_TINT1_TINT12]              = 7,    /* DSP timer */
 496         [IRQ_TINT1_TINT34]              = 7,    /* system tick */
 497         [IRQ_PWMINT0]                   = 7,
 498         [IRQ_PWMINT1]                   = 7,
 499         [IRQ_DM646X_VLQINT]             = 7,
 500         [IRQ_I2C]                       = 7,
 501         [IRQ_UARTINT0]                  = 7,
 502         [IRQ_UARTINT1]                  = 7,
 503         [IRQ_DM646X_UARTINT2]           = 7,
 504         [IRQ_DM646X_SPINT0]             = 7,
 505         [IRQ_DM646X_SPINT1]             = 7,
 506         [IRQ_DM646X_DSP2ARMINT]         = 7,
 507         [IRQ_DM646X_RESERVED_4]         = 7,
 508         [IRQ_DM646X_PSCINT]             = 7,
 509         [IRQ_DM646X_GPIO0]              = 7,
 510         [IRQ_DM646X_GPIO1]              = 7,
 511         [IRQ_DM646X_GPIO2]              = 7,
 512         [IRQ_DM646X_GPIO3]              = 7,
 513         [IRQ_DM646X_GPIO4]              = 7,
 514         [IRQ_DM646X_GPIO5]              = 7,
 515         [IRQ_DM646X_GPIO6]              = 7,
 516         [IRQ_DM646X_GPIO7]              = 7,
 517         [IRQ_DM646X_GPIOBNK0]           = 7,
 518         [IRQ_DM646X_GPIOBNK1]           = 7,
 519         [IRQ_DM646X_GPIOBNK2]           = 7,
 520         [IRQ_DM646X_DDRINT]             = 7,
 521         [IRQ_DM646X_AEMIFINT]           = 7,
 522         [IRQ_COMMTX]                    = 7,
 523         [IRQ_COMMRX]                    = 7,
 524         [IRQ_EMUINT]                    = 7,
 525 };
 526
 527 /*----------------------------------------------------------------------*/
 528
 529 /* Four Transfer Controllers on DM646x */
 530 static const s8
 531 dm646x_queue_tc_mapping[][2] = {
 532         /* {event queue no, TC no} */
 533         {0, 0},
 534         {1, 1},
 535         {2, 2},
 536         {3, 3},
 537         {-1, -1},
 538 };
 539
 540 static const s8
 541 dm646x_queue_priority_mapping[][2] = {
 542         /* {event queue no, Priority} */
 543         {0, 4},
 544         {1, 0},
 545         {2, 5},
 546         {3, 1},
 547         {-1, -1},
 548 };
 549
 550 static struct edma_soc_info edma_cc0_info = {
 551         .n_channel              = 64,
 552         .n_region               = 6,    /* 0-1, 4-7 */
 553         .n_slot                 = 512,
 554         .n_tc                   = 4,
 555         .n_cc                   = 1,
 556         .queue_tc_mapping       = dm646x_queue_tc_mapping,
 557         .queue_priority_mapping = dm646x_queue_priority_mapping,
 558         .default_queue          = EVENTQ_1,
 559 };
 560
 561 static struct edma_soc_info *dm646x_edma_info[EDMA_MAX_CC] = {
 562         &edma_cc0_info,
 563 };
 564
 565 static struct resource edma_resources[] = {
 566         {
 567                 .name   = "edma_cc0",
 568                 .start  = 0x01c00000,
 569                 .end    = 0x01c00000 + SZ_64K - 1,
 570                 .flags  = IORESOURCE_MEM,
 571         },
 572         {
 573                 .name   = "edma_tc0",
 574                 .start  = 0x01c10000,
 575                 .end    = 0x01c10000 + SZ_1K - 1,
 576                 .flags  = IORESOURCE_MEM,
 577         },
 578         {
 579                 .name   = "edma_tc1",
 580                 .start  = 0x01c10400,
 581                 .end    = 0x01c10400 + SZ_1K - 1,
 582                 .flags  = IORESOURCE_MEM,
 583         },
 584         {
 585                 .name   = "edma_tc2",
 586                 .start  = 0x01c10800,
 587                 .end    = 0x01c10800 + SZ_1K - 1,
 588                 .flags  = IORESOURCE_MEM,
 589         },
 590         {
 591                 .name   = "edma_tc3",
 592                 .start  = 0x01c10c00,
 593                 .end    = 0x01c10c00 + SZ_1K - 1,
 594                 .flags  = IORESOURCE_MEM,
 595         },
 596         {
 597                 .name   = "edma0",
 598                 .start  = IRQ_CCINT0,
 599                 .flags  = IORESOURCE_IRQ,
 600         },
 601         {
 602                 .name   = "edma0_err",
 603                 .start  = IRQ_CCERRINT,
 604                 .flags  = IORESOURCE_IRQ,
 605         },
 606         /* not using TC*_ERR */
 607 };
 608
 609 static struct platform_device dm646x_edma_device = {
 610         .name                   = "edma",
 611         .id                     = 0,
 612         .dev.platform_data      = dm646x_edma_info,
 613         .num_resources          = ARRAY_SIZE(edma_resources),
 614         .resource               = edma_resources,
 615 };
 616
 617 static struct resource dm646x_mcasp0_resources[] = {
 618         {
 619                 .name   = "mcasp0",
 620                 .start  = DAVINCI_DM646X_MCASP0_REG_BASE,
 621                 .end    = DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1,
 622                 .flags  = IORESOURCE_MEM,
 623         },
 624         /* first TX, then RX */
 625         {
 626                 .start  = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
 627                 .end    = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
 628                 .flags  = IORESOURCE_DMA,
 629         },
 630         {
 631                 .start  = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
 632                 .end    = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
 633                 .flags  = IORESOURCE_DMA,
 634         },
 635 };
 636
 637 static struct resource dm646x_mcasp1_resources[] = {
 638         {
 639                 .name   = "mcasp1",
 640                 .start  = DAVINCI_DM646X_MCASP1_REG_BASE,
 641                 .end    = DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1,
 642                 .flags  = IORESOURCE_MEM,
 643         },
 644         /* DIT mode, only TX event */
 645         {
 646                 .start  = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
 647                 .end    = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
 648                 .flags  = IORESOURCE_DMA,
 649         },
 650         /* DIT mode, dummy entry */
 651         {
 652                 .start  = -1,
 653                 .end    = -1,
 654                 .flags  = IORESOURCE_DMA,
 655         },
 656 };
 657
 658 static struct platform_device dm646x_mcasp0_device = {
 659         .name           = "davinci-mcasp",
 660         .id             = 0,
 661         .num_resources  = ARRAY_SIZE(dm646x_mcasp0_resources),
 662         .resource       = dm646x_mcasp0_resources,
 663 };
 664
 665 static struct platform_device dm646x_mcasp1_device = {
 666         .name           = "davinci-mcasp",
 667         .id             = 1,
 668         .num_resources  = ARRAY_SIZE(dm646x_mcasp1_resources),
 669         .resource       = dm646x_mcasp1_resources,
 670 };
 671
 672 static struct platform_device dm646x_dit_device = {
 673         .name   = "spdif-dit",
 674         .id     = -1,
 675 };
 676
 677 static u64 vpif_dma_mask = DMA_BIT_MASK(32);
 678
 679 static struct resource vpif_resource[] = {
 680         {
 681                 .start  = DAVINCI_VPIF_BASE,
 682                 .end    = DAVINCI_VPIF_BASE + 0x03ff,
 683                 .flags  = IORESOURCE_MEM,
 684         }
 685 };
 686
 687 static struct platform_device vpif_dev = {
 688         .name           = "vpif",
 689         .id             = -1,
 690         .dev            = {
 691                         .dma_mask               = &vpif_dma_mask,
 692                         .coherent_dma_mask      = DMA_BIT_MASK(32),
 693         },
 694         .resource       = vpif_resource,
 695         .num_resources  = ARRAY_SIZE(vpif_resource),
 696 };
 697
 698 static struct resource vpif_display_resource[] = {
 699         {
 700                 .start = IRQ_DM646X_VP_VERTINT2,
 701                 .end   = IRQ_DM646X_VP_VERTINT2,
 702                 .flags = IORESOURCE_IRQ,
 703         },
 704         {
 705                 .start = IRQ_DM646X_VP_VERTINT3,
 706                 .end   = IRQ_DM646X_VP_VERTINT3,
 707                 .flags = IORESOURCE_IRQ,
 708         },
 709 };
 710
 711 static struct platform_device vpif_display_dev = {
 712         .name           = "vpif_display",
 713         .id             = -1,
 714         .dev            = {
 715                         .dma_mask               = &vpif_dma_mask,
 716                         .coherent_dma_mask      = DMA_BIT_MASK(32),
 717         },
 718         .resource       = vpif_display_resource,
 719         .num_resources  = ARRAY_SIZE(vpif_display_resource),
 720 };
 721
 722 static struct resource vpif_capture_resource[] = {
 723         {
 724                 .start = IRQ_DM646X_VP_VERTINT0,
 725                 .end   = IRQ_DM646X_VP_VERTINT0,
 726                 .flags = IORESOURCE_IRQ,
 727         },
 728         {
 729                 .start = IRQ_DM646X_VP_VERTINT1,
 730                 .end   = IRQ_DM646X_VP_VERTINT1,
 731                 .flags = IORESOURCE_IRQ,
 732         },
 733 };
 734
 735 static struct platform_device vpif_capture_dev = {
 736         .name           = "vpif_capture",
 737         .id             = -1,
 738         .dev            = {
 739                         .dma_mask               = &vpif_dma_mask,
 740                         .coherent_dma_mask      = DMA_BIT_MASK(32),
 741         },
 742         .resource       = vpif_capture_resource,
 743         .num_resources  = ARRAY_SIZE(vpif_capture_resource),
 744 };
 745
 746 /*----------------------------------------------------------------------*/
 747
 748 static struct map_desc dm646x_io_desc[] = {
 749         {
 750                 .virtual        = IO_VIRT,
 751                 .pfn            = __phys_to_pfn(IO_PHYS),
 752                 .length         = IO_SIZE,
 753                 .type           = MT_DEVICE
 754         },
 755         {
 756                 .virtual        = SRAM_VIRT,
 757                 .pfn            = __phys_to_pfn(0x00010000),
 758                 .length         = SZ_32K,
 759                 .type           = MT_MEMORY_NONCACHED,
 760         },
 761 };
 762
 763 /* Contents of JTAG ID register used to identify exact cpu type */
 764 static struct davinci_id dm646x_ids[] = {
 765         {
 766                 .variant        = 0x0,
 767                 .part_no        = 0xb770,
 768                 .manufacturer   = 0x017,
 769                 .cpu_id         = DAVINCI_CPU_ID_DM6467,
 770                 .name           = "dm6467_rev1.x",
 771         },
 772         {
 773                 .variant        = 0x1,
 774                 .part_no        = 0xb770,
 775                 .manufacturer   = 0x017,
 776                 .cpu_id         = DAVINCI_CPU_ID_DM6467,
 777                 .name           = "dm6467_rev3.x",
 778         },
 779 };
 780
 781 static u32 dm646x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
 782
 783 /*
 784  * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
 785  * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
 786  * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
 787  * T1_TOP: Timer 1, top   :  <unused>
 788  */
 789 static struct davinci_timer_info dm646x_timer_info = {
 790         .timers         = davinci_timer_instance,
 791         .clockevent_id  = T0_BOT,
 792         .clocksource_id = T0_TOP,
 793 };
 794
 795 static struct plat_serial8250_port dm646x_serial_platform_data[] = {
 796         {
 797                 .mapbase        = DAVINCI_UART0_BASE,
 798                 .irq            = IRQ_UARTINT0,
 799                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 800                                   UPF_IOREMAP,
 801                 .iotype         = UPIO_MEM32,
 802                 .regshift       = 2,
 803         },
 804         {
 805                 .mapbase        = DAVINCI_UART1_BASE,
 806                 .irq            = IRQ_UARTINT1,
 807                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 808                                   UPF_IOREMAP,
 809                 .iotype         = UPIO_MEM32,
 810                 .regshift       = 2,
 811         },
 812         {
 813                 .mapbase        = DAVINCI_UART2_BASE,
 814                 .irq            = IRQ_DM646X_UARTINT2,
 815                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 816                                   UPF_IOREMAP,
 817                 .iotype         = UPIO_MEM32,
 818                 .regshift       = 2,
 819         },
 820         {
 821                 .flags          = 0
 822         },
 823 };
 824
 825 static struct platform_device dm646x_serial_device = {
 826         .name                   = "serial8250",
 827         .id                     = PLAT8250_DEV_PLATFORM,
 828         .dev                    = {
 829                 .platform_data  = dm646x_serial_platform_data,
 830         },
 831 };
 832
 833 static struct davinci_soc_info davinci_soc_info_dm646x = {
 834         .io_desc                = dm646x_io_desc,
 835         .io_desc_num            = ARRAY_SIZE(dm646x_io_desc),
 836         .jtag_id_reg            = 0x01c40028,
 837         .ids                    = dm646x_ids,
 838         .ids_num                = ARRAY_SIZE(dm646x_ids),
 839         .cpu_clks               = dm646x_clks,
 840         .psc_bases              = dm646x_psc_bases,
 841         .psc_bases_num          = ARRAY_SIZE(dm646x_psc_bases),
 842         .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
 843         .pinmux_pins            = dm646x_pins,
 844         .pinmux_pins_num        = ARRAY_SIZE(dm646x_pins),
 845         .intc_base              = DAVINCI_ARM_INTC_BASE,
 846         .intc_type              = DAVINCI_INTC_TYPE_AINTC,
 847         .intc_irq_prios         = dm646x_default_priorities,
 848         .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
 849         .timer_info             = &dm646x_timer_info,
 850         .gpio_type              = GPIO_TYPE_DAVINCI,
 851         .gpio_base              = DAVINCI_GPIO_BASE,
 852         .gpio_num               = 43, /* Only 33 usable */
 853         .gpio_irq               = IRQ_DM646X_GPIOBNK0,
 854         .serial_dev             = &dm646x_serial_device,
 855         .emac_pdata             = &dm646x_emac_pdata,
 856         .sram_dma               = 0x10010000,
 857         .sram_len               = SZ_32K,
 858         .reset_device           = &davinci_wdt_device,
 859 };
 860
 861 void __init dm646x_init_mcasp0(struct snd_platform_data *pdata)
 862 {
 863         dm646x_mcasp0_device.dev.platform_data = pdata;
 864         platform_device_register(&dm646x_mcasp0_device);
 865 }
 866
 867 void __init dm646x_init_mcasp1(struct snd_platform_data *pdata)
 868 {
 869         dm646x_mcasp1_device.dev.platform_data = pdata;
 870         platform_device_register(&dm646x_mcasp1_device);
 871         platform_device_register(&dm646x_dit_device);
 872 }
 873
 874 void dm646x_setup_vpif(struct vpif_display_config *display_config,
 875                        struct vpif_capture_config *capture_config)
 876 {
 877         unsigned int value;
 878         void __iomem *base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE);
 879
 880         value = __raw_readl(base + VSCLKDIS_OFFSET);
 881         value &= ~VSCLKDIS_MASK;
 882         __raw_writel(value, base + VSCLKDIS_OFFSET);
 883
 884         value = __raw_readl(base + VDD3P3V_PWDN_OFFSET);
 885         value &= ~VDD3P3V_VID_MASK;
 886         __raw_writel(value, base + VDD3P3V_PWDN_OFFSET);
 887
 888         davinci_cfg_reg(DM646X_STSOMUX_DISABLE);
 889         davinci_cfg_reg(DM646X_STSIMUX_DISABLE);
 890         davinci_cfg_reg(DM646X_PTSOMUX_DISABLE);
 891         davinci_cfg_reg(DM646X_PTSIMUX_DISABLE);
 892
 893         vpif_display_dev.dev.platform_data = display_config;
 894         vpif_capture_dev.dev.platform_data = capture_config;
 895         platform_device_register(&vpif_dev);
 896         platform_device_register(&vpif_display_dev);
 897         platform_device_register(&vpif_capture_dev);
 898 }
 899
 900 int __init dm646x_init_edma(struct edma_rsv_info *rsv)
 901 {
 902         edma_cc0_info.rsv = rsv;
 903
 904         return platform_device_register(&dm646x_edma_device);
 905 }
 906
 907 void __init dm646x_init(void)
 908 {
 909         davinci_common_init(&davinci_soc_info_dm646x);
 910 }
 911
 912 static int __init dm646x_init_devices(void)
 913 {
 914         if (!cpu_is_davinci_dm646x())
 915                 return 0;
 916
 917         platform_device_register(&dm646x_mdio_device);
 918         platform_device_register(&dm646x_emac_device);
 919         clk_add_alias(NULL, dev_name(&dm646x_mdio_device.dev),
 920                       NULL, &dm646x_emac_device.dev);
 921
 922         return 0;
 923 }
 924 postcore_initcall(dm646x_init_devices);