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/cputype.h>
  20 #include <mach/edma.h>
  21 #include <mach/irqs.h>
  22 #include <mach/psc.h>
  23 #include <mach/mux.h>
  24 #include <mach/time.h>
  25 #include <mach/serial.h>
  26 #include <mach/common.h>
  27 #include <mach/gpio-davinci.h>
  28
  29 #include "davinci.h"
  30 #include "clock.h"
  31 #include "mux.h"
  32 #include "asp.h"
  33
  34 #define DAVINCI_VPIF_BASE       (0x01C12000)
  35
  36 #define VDD3P3V_VID_MASK        (BIT_MASK(3) | BIT_MASK(2) | BIT_MASK(1) |\
  37                                         BIT_MASK(0))
  38 #define VSCLKDIS_MASK           (BIT_MASK(11) | BIT_MASK(10) | BIT_MASK(9) |\
  39                                         BIT_MASK(8))
  40
  41 /*
  42  * Device specific clocks
  43  */
  44 #define DM646X_REF_FREQ         27000000
  45 #define DM646X_AUX_FREQ         24000000
  46
  47 #define DM646X_EMAC_BASE                0x01c80000
  48 #define DM646X_EMAC_MDIO_BASE           (DM646X_EMAC_BASE + 0x4000)
  49 #define DM646X_EMAC_CNTRL_OFFSET        0x0000
  50 #define DM646X_EMAC_CNTRL_MOD_OFFSET    0x1000
  51 #define DM646X_EMAC_CNTRL_RAM_OFFSET    0x2000
  52 #define DM646X_EMAC_CNTRL_RAM_SIZE      0x2000
  53
  54 static struct pll_data pll1_data = {
  55         .num       = 1,
  56         .phys_base = DAVINCI_PLL1_BASE,
  57 };
  58
  59 static struct pll_data pll2_data = {
  60         .num       = 2,
  61         .phys_base = DAVINCI_PLL2_BASE,
  62 };
  63
  64 static struct clk ref_clk = {
  65         .name = "ref_clk",
  66         .rate = DM646X_REF_FREQ,
  67         .set_rate = davinci_simple_set_rate,
  68 };
  69
  70 static struct clk aux_clkin = {
  71         .name = "aux_clkin",
  72         .rate = DM646X_AUX_FREQ,
  73 };
  74
  75 static struct clk pll1_clk = {
  76         .name = "pll1",
  77         .parent = &ref_clk,
  78         .pll_data = &pll1_data,
  79         .flags = CLK_PLL,
  80 };
  81
  82 static struct clk pll1_sysclk1 = {
  83         .name = "pll1_sysclk1",
  84         .parent = &pll1_clk,
  85         .flags = CLK_PLL,
  86         .div_reg = PLLDIV1,
  87 };
  88
  89 static struct clk pll1_sysclk2 = {
  90         .name = "pll1_sysclk2",
  91         .parent = &pll1_clk,
  92         .flags = CLK_PLL,
  93         .div_reg = PLLDIV2,
  94 };
  95
  96 static struct clk pll1_sysclk3 = {
  97         .name = "pll1_sysclk3",
  98         .parent = &pll1_clk,
  99         .flags = CLK_PLL,
 100         .div_reg = PLLDIV3,
 101 };
 102
 103 static struct clk pll1_sysclk4 = {
 104         .name = "pll1_sysclk4",
 105         .parent = &pll1_clk,
 106         .flags = CLK_PLL,
 107         .div_reg = PLLDIV4,
 108 };
 109
 110 static struct clk pll1_sysclk5 = {
 111         .name = "pll1_sysclk5",
 112         .parent = &pll1_clk,
 113         .flags = CLK_PLL,
 114         .div_reg = PLLDIV5,
 115 };
 116
 117 static struct clk pll1_sysclk6 = {
 118         .name = "pll1_sysclk6",
 119         .parent = &pll1_clk,
 120         .flags = CLK_PLL,
 121         .div_reg = PLLDIV6,
 122 };
 123
 124 static struct clk pll1_sysclk8 = {
 125         .name = "pll1_sysclk8",
 126         .parent = &pll1_clk,
 127         .flags = CLK_PLL,
 128         .div_reg = PLLDIV8,
 129 };
 130
 131 static struct clk pll1_sysclk9 = {
 132         .name = "pll1_sysclk9",
 133         .parent = &pll1_clk,
 134         .flags = CLK_PLL,
 135         .div_reg = PLLDIV9,
 136 };
 137
 138 static struct clk pll1_sysclkbp = {
 139         .name = "pll1_sysclkbp",
 140         .parent = &pll1_clk,
 141         .flags = CLK_PLL | PRE_PLL,
 142         .div_reg = BPDIV,
 143 };
 144
 145 static struct clk pll1_aux_clk = {
 146         .name = "pll1_aux_clk",
 147         .parent = &pll1_clk,
 148         .flags = CLK_PLL | PRE_PLL,
 149 };
 150
 151 static struct clk pll2_clk = {
 152         .name = "pll2_clk",
 153         .parent = &ref_clk,
 154         .pll_data = &pll2_data,
 155         .flags = CLK_PLL,
 156 };
 157
 158 static struct clk pll2_sysclk1 = {
 159         .name = "pll2_sysclk1",
 160         .parent = &pll2_clk,
 161         .flags = CLK_PLL,
 162         .div_reg = PLLDIV1,
 163 };
 164
 165 static struct clk dsp_clk = {
 166         .name = "dsp",
 167         .parent = &pll1_sysclk1,
 168         .lpsc = DM646X_LPSC_C64X_CPU,
 169         .usecount = 1,                  /* REVISIT how to disable? */
 170 };
 171
 172 static struct clk arm_clk = {
 173         .name = "arm",
 174         .parent = &pll1_sysclk2,
 175         .lpsc = DM646X_LPSC_ARM,
 176         .flags = ALWAYS_ENABLED,
 177 };
 178
 179 static struct clk edma_cc_clk = {
 180         .name = "edma_cc",
 181         .parent = &pll1_sysclk2,
 182         .lpsc = DM646X_LPSC_TPCC,
 183         .flags = ALWAYS_ENABLED,
 184 };
 185
 186 static struct clk edma_tc0_clk = {
 187         .name = "edma_tc0",
 188         .parent = &pll1_sysclk2,
 189         .lpsc = DM646X_LPSC_TPTC0,
 190         .flags = ALWAYS_ENABLED,
 191 };
 192
 193 static struct clk edma_tc1_clk = {
 194         .name = "edma_tc1",
 195         .parent = &pll1_sysclk2,
 196         .lpsc = DM646X_LPSC_TPTC1,
 197         .flags = ALWAYS_ENABLED,
 198 };
 199
 200 static struct clk edma_tc2_clk = {
 201         .name = "edma_tc2",
 202         .parent = &pll1_sysclk2,
 203         .lpsc = DM646X_LPSC_TPTC2,
 204         .flags = ALWAYS_ENABLED,
 205 };
 206
 207 static struct clk edma_tc3_clk = {
 208         .name = "edma_tc3",
 209         .parent = &pll1_sysclk2,
 210         .lpsc = DM646X_LPSC_TPTC3,
 211         .flags = ALWAYS_ENABLED,
 212 };
 213
 214 static struct clk uart0_clk = {
 215         .name = "uart0",
 216         .parent = &aux_clkin,
 217         .lpsc = DM646X_LPSC_UART0,
 218 };
 219
 220 static struct clk uart1_clk = {
 221         .name = "uart1",
 222         .parent = &aux_clkin,
 223         .lpsc = DM646X_LPSC_UART1,
 224 };
 225
 226 static struct clk uart2_clk = {
 227         .name = "uart2",
 228         .parent = &aux_clkin,
 229         .lpsc = DM646X_LPSC_UART2,
 230 };
 231
 232 static struct clk i2c_clk = {
 233         .name = "I2CCLK",
 234         .parent = &pll1_sysclk3,
 235         .lpsc = DM646X_LPSC_I2C,
 236 };
 237
 238 static struct clk gpio_clk = {
 239         .name = "gpio",
 240         .parent = &pll1_sysclk3,
 241         .lpsc = DM646X_LPSC_GPIO,
 242 };
 243
 244 static struct clk mcasp0_clk = {
 245         .name = "mcasp0",
 246         .parent = &pll1_sysclk3,
 247         .lpsc = DM646X_LPSC_McASP0,
 248 };
 249
 250 static struct clk mcasp1_clk = {
 251         .name = "mcasp1",
 252         .parent = &pll1_sysclk3,
 253         .lpsc = DM646X_LPSC_McASP1,
 254 };
 255
 256 static struct clk aemif_clk = {
 257         .name = "aemif",
 258         .parent = &pll1_sysclk3,
 259         .lpsc = DM646X_LPSC_AEMIF,
 260         .flags = ALWAYS_ENABLED,
 261 };
 262
 263 static struct clk emac_clk = {
 264         .name = "emac",
 265         .parent = &pll1_sysclk3,
 266         .lpsc = DM646X_LPSC_EMAC,
 267 };
 268
 269 static struct clk pwm0_clk = {
 270         .name = "pwm0",
 271         .parent = &pll1_sysclk3,
 272         .lpsc = DM646X_LPSC_PWM0,
 273         .usecount = 1,            /* REVIST: disabling hangs system */
 274 };
 275
 276 static struct clk pwm1_clk = {
 277         .name = "pwm1",
 278         .parent = &pll1_sysclk3,
 279         .lpsc = DM646X_LPSC_PWM1,
 280         .usecount = 1,            /* REVIST: disabling hangs system */
 281 };
 282
 283 static struct clk timer0_clk = {
 284         .name = "timer0",
 285         .parent = &pll1_sysclk3,
 286         .lpsc = DM646X_LPSC_TIMER0,
 287 };
 288
 289 static struct clk timer1_clk = {
 290         .name = "timer1",
 291         .parent = &pll1_sysclk3,
 292         .lpsc = DM646X_LPSC_TIMER1,
 293 };
 294
 295 static struct clk timer2_clk = {
 296         .name = "timer2",
 297         .parent = &pll1_sysclk3,
 298         .flags = ALWAYS_ENABLED, /* no LPSC, always enabled; c.f. spruep9a */
 299 };
 300
 301
 302 static struct clk ide_clk = {
 303         .name = "ide",
 304         .parent = &pll1_sysclk4,
 305         .lpsc = DAVINCI_LPSC_ATA,
 306 };
 307
 308 static struct clk vpif0_clk = {
 309         .name = "vpif0",
 310         .parent = &ref_clk,
 311         .lpsc = DM646X_LPSC_VPSSMSTR,
 312         .flags = ALWAYS_ENABLED,
 313 };
 314
 315 static struct clk vpif1_clk = {
 316         .name = "vpif1",
 317         .parent = &ref_clk,
 318         .lpsc = DM646X_LPSC_VPSSSLV,
 319         .flags = ALWAYS_ENABLED,
 320 };
 321
 322 static struct clk_lookup dm646x_clks[] = {
 323         CLK(NULL, "ref", &ref_clk),
 324         CLK(NULL, "aux", &aux_clkin),
 325         CLK(NULL, "pll1", &pll1_clk),
 326         CLK(NULL, "pll1_sysclk", &pll1_sysclk1),
 327         CLK(NULL, "pll1_sysclk", &pll1_sysclk2),
 328         CLK(NULL, "pll1_sysclk", &pll1_sysclk3),
 329         CLK(NULL, "pll1_sysclk", &pll1_sysclk4),
 330         CLK(NULL, "pll1_sysclk", &pll1_sysclk5),
 331         CLK(NULL, "pll1_sysclk", &pll1_sysclk6),
 332         CLK(NULL, "pll1_sysclk", &pll1_sysclk8),
 333         CLK(NULL, "pll1_sysclk", &pll1_sysclk9),
 334         CLK(NULL, "pll1_sysclk", &pll1_sysclkbp),
 335         CLK(NULL, "pll1_aux", &pll1_aux_clk),
 336         CLK(NULL, "pll2", &pll2_clk),
 337         CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
 338         CLK(NULL, "dsp", &dsp_clk),
 339         CLK(NULL, "arm", &arm_clk),
 340         CLK(NULL, "edma_cc", &edma_cc_clk),
 341         CLK(NULL, "edma_tc0", &edma_tc0_clk),
 342         CLK(NULL, "edma_tc1", &edma_tc1_clk),
 343         CLK(NULL, "edma_tc2", &edma_tc2_clk),
 344         CLK(NULL, "edma_tc3", &edma_tc3_clk),
 345         CLK(NULL, "uart0", &uart0_clk),
 346         CLK(NULL, "uart1", &uart1_clk),
 347         CLK(NULL, "uart2", &uart2_clk),
 348         CLK("i2c_davinci.1", NULL, &i2c_clk),
 349         CLK(NULL, "gpio", &gpio_clk),
 350         CLK("davinci-mcasp.0", NULL, &mcasp0_clk),
 351         CLK("davinci-mcasp.1", NULL, &mcasp1_clk),
 352         CLK(NULL, "aemif", &aemif_clk),
 353         CLK("davinci_emac.1", NULL, &emac_clk),
 354         CLK(NULL, "pwm0", &pwm0_clk),
 355         CLK(NULL, "pwm1", &pwm1_clk),
 356         CLK(NULL, "timer0", &timer0_clk),
 357         CLK(NULL, "timer1", &timer1_clk),
 358         CLK("watchdog", NULL, &timer2_clk),
 359         CLK("palm_bk3710", NULL, &ide_clk),
 360         CLK(NULL, "vpif0", &vpif0_clk),
 361         CLK(NULL, "vpif1", &vpif1_clk),
 362         CLK(NULL, NULL, NULL),
 363 };
 364
 365 static struct emac_platform_data dm646x_emac_pdata = {
 366         .ctrl_reg_offset        = DM646X_EMAC_CNTRL_OFFSET,
 367         .ctrl_mod_reg_offset    = DM646X_EMAC_CNTRL_MOD_OFFSET,
 368         .ctrl_ram_offset        = DM646X_EMAC_CNTRL_RAM_OFFSET,
 369         .ctrl_ram_size          = DM646X_EMAC_CNTRL_RAM_SIZE,
 370         .version                = EMAC_VERSION_2,
 371 };
 372
 373 static struct resource dm646x_emac_resources[] = {
 374         {
 375                 .start  = DM646X_EMAC_BASE,
 376                 .end    = DM646X_EMAC_BASE + SZ_16K - 1,
 377                 .flags  = IORESOURCE_MEM,
 378         },
 379         {
 380                 .start  = IRQ_DM646X_EMACRXTHINT,
 381                 .end    = IRQ_DM646X_EMACRXTHINT,
 382                 .flags  = IORESOURCE_IRQ,
 383         },
 384         {
 385                 .start  = IRQ_DM646X_EMACRXINT,
 386                 .end    = IRQ_DM646X_EMACRXINT,
 387                 .flags  = IORESOURCE_IRQ,
 388         },
 389         {
 390                 .start  = IRQ_DM646X_EMACTXINT,
 391                 .end    = IRQ_DM646X_EMACTXINT,
 392                 .flags  = IORESOURCE_IRQ,
 393         },
 394         {
 395                 .start  = IRQ_DM646X_EMACMISCINT,
 396                 .end    = IRQ_DM646X_EMACMISCINT,
 397                 .flags  = IORESOURCE_IRQ,
 398         },
 399 };
 400
 401 static struct platform_device dm646x_emac_device = {
 402         .name           = "davinci_emac",
 403         .id             = 1,
 404         .dev = {
 405                 .platform_data  = &dm646x_emac_pdata,
 406         },
 407         .num_resources  = ARRAY_SIZE(dm646x_emac_resources),
 408         .resource       = dm646x_emac_resources,
 409 };
 410
 411 static struct resource dm646x_mdio_resources[] = {
 412         {
 413                 .start  = DM646X_EMAC_MDIO_BASE,
 414                 .end    = DM646X_EMAC_MDIO_BASE + SZ_4K - 1,
 415                 .flags  = IORESOURCE_MEM,
 416         },
 417 };
 418
 419 static struct platform_device dm646x_mdio_device = {
 420         .name           = "davinci_mdio",
 421         .id             = 0,
 422         .num_resources  = ARRAY_SIZE(dm646x_mdio_resources),
 423         .resource       = dm646x_mdio_resources,
 424 };
 425
 426 /*
 427  * Device specific mux setup
 428  *
 429  *      soc     description     mux  mode   mode  mux    dbg
 430  *                              reg  offset mask  mode
 431  */
 432 static const struct mux_config dm646x_pins[] = {
 433 #ifdef CONFIG_DAVINCI_MUX
 434 MUX_CFG(DM646X, ATAEN,          0,   0,     5,    1,     true)
 435
 436 MUX_CFG(DM646X, AUDCK1,         0,   29,    1,    0,     false)
 437
 438 MUX_CFG(DM646X, AUDCK0,         0,   28,    1,    0,     false)
 439
 440 MUX_CFG(DM646X, CRGMUX,                 0,   24,    7,    5,     true)
 441
 442 MUX_CFG(DM646X, STSOMUX_DISABLE,        0,   22,    3,    0,     true)
 443
 444 MUX_CFG(DM646X, STSIMUX_DISABLE,        0,   20,    3,    0,     true)
 445
 446 MUX_CFG(DM646X, PTSOMUX_DISABLE,        0,   18,    3,    0,     true)
 447
 448 MUX_CFG(DM646X, PTSIMUX_DISABLE,        0,   16,    3,    0,     true)
 449
 450 MUX_CFG(DM646X, STSOMUX,                0,   22,    3,    2,     true)
 451
 452 MUX_CFG(DM646X, STSIMUX,                0,   20,    3,    2,     true)
 453
 454 MUX_CFG(DM646X, PTSOMUX_PARALLEL,       0,   18,    3,    2,     true)
 455
 456 MUX_CFG(DM646X, PTSIMUX_PARALLEL,       0,   16,    3,    2,     true)
 457
 458 MUX_CFG(DM646X, PTSOMUX_SERIAL,         0,   18,    3,    3,     true)
 459
 460 MUX_CFG(DM646X, PTSIMUX_SERIAL,         0,   16,    3,    3,     true)
 461 #endif
 462 };
 463
 464 static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 465         [IRQ_DM646X_VP_VERTINT0]        = 7,
 466         [IRQ_DM646X_VP_VERTINT1]        = 7,
 467         [IRQ_DM646X_VP_VERTINT2]        = 7,
 468         [IRQ_DM646X_VP_VERTINT3]        = 7,
 469         [IRQ_DM646X_VP_ERRINT]          = 7,
 470         [IRQ_DM646X_RESERVED_1]         = 7,
 471         [IRQ_DM646X_RESERVED_2]         = 7,
 472         [IRQ_DM646X_WDINT]              = 7,
 473         [IRQ_DM646X_CRGENINT0]          = 7,
 474         [IRQ_DM646X_CRGENINT1]          = 7,
 475         [IRQ_DM646X_TSIFINT0]           = 7,
 476         [IRQ_DM646X_TSIFINT1]           = 7,
 477         [IRQ_DM646X_VDCEINT]            = 7,
 478         [IRQ_DM646X_USBINT]             = 7,
 479         [IRQ_DM646X_USBDMAINT]          = 7,
 480         [IRQ_DM646X_PCIINT]             = 7,
 481         [IRQ_CCINT0]                    = 7,    /* dma */
 482         [IRQ_CCERRINT]                  = 7,    /* dma */
 483         [IRQ_TCERRINT0]                 = 7,    /* dma */
 484         [IRQ_TCERRINT]                  = 7,    /* dma */
 485         [IRQ_DM646X_TCERRINT2]          = 7,
 486         [IRQ_DM646X_TCERRINT3]          = 7,
 487         [IRQ_DM646X_IDE]                = 7,
 488         [IRQ_DM646X_HPIINT]             = 7,
 489         [IRQ_DM646X_EMACRXTHINT]        = 7,
 490         [IRQ_DM646X_EMACRXINT]          = 7,
 491         [IRQ_DM646X_EMACTXINT]          = 7,
 492         [IRQ_DM646X_EMACMISCINT]        = 7,
 493         [IRQ_DM646X_MCASP0TXINT]        = 7,
 494         [IRQ_DM646X_MCASP0RXINT]        = 7,
 495         [IRQ_AEMIFINT]                  = 7,
 496         [IRQ_DM646X_RESERVED_3]         = 7,
 497         [IRQ_DM646X_MCASP1TXINT]        = 7,    /* clockevent */
 498         [IRQ_TINT0_TINT34]              = 7,    /* clocksource */
 499         [IRQ_TINT1_TINT12]              = 7,    /* DSP timer */
 500         [IRQ_TINT1_TINT34]              = 7,    /* system tick */
 501         [IRQ_PWMINT0]                   = 7,
 502         [IRQ_PWMINT1]                   = 7,
 503         [IRQ_DM646X_VLQINT]             = 7,
 504         [IRQ_I2C]                       = 7,
 505         [IRQ_UARTINT0]                  = 7,
 506         [IRQ_UARTINT1]                  = 7,
 507         [IRQ_DM646X_UARTINT2]           = 7,
 508         [IRQ_DM646X_SPINT0]             = 7,
 509         [IRQ_DM646X_SPINT1]             = 7,
 510         [IRQ_DM646X_DSP2ARMINT]         = 7,
 511         [IRQ_DM646X_RESERVED_4]         = 7,
 512         [IRQ_DM646X_PSCINT]             = 7,
 513         [IRQ_DM646X_GPIO0]              = 7,
 514         [IRQ_DM646X_GPIO1]              = 7,
 515         [IRQ_DM646X_GPIO2]              = 7,
 516         [IRQ_DM646X_GPIO3]              = 7,
 517         [IRQ_DM646X_GPIO4]              = 7,
 518         [IRQ_DM646X_GPIO5]              = 7,
 519         [IRQ_DM646X_GPIO6]              = 7,
 520         [IRQ_DM646X_GPIO7]              = 7,
 521         [IRQ_DM646X_GPIOBNK0]           = 7,
 522         [IRQ_DM646X_GPIOBNK1]           = 7,
 523         [IRQ_DM646X_GPIOBNK2]           = 7,
 524         [IRQ_DM646X_DDRINT]             = 7,
 525         [IRQ_DM646X_AEMIFINT]           = 7,
 526         [IRQ_COMMTX]                    = 7,
 527         [IRQ_COMMRX]                    = 7,
 528         [IRQ_EMUINT]                    = 7,
 529 };
 530
 531 /*----------------------------------------------------------------------*/
 532
 533 /* Four Transfer Controllers on DM646x */
 534 static const s8
 535 dm646x_queue_tc_mapping[][2] = {
 536         /* {event queue no, TC no} */
 537         {0, 0},
 538         {1, 1},
 539         {2, 2},
 540         {3, 3},
 541         {-1, -1},
 542 };
 543
 544 static const s8
 545 dm646x_queue_priority_mapping[][2] = {
 546         /* {event queue no, Priority} */
 547         {0, 4},
 548         {1, 0},
 549         {2, 5},
 550         {3, 1},
 551         {-1, -1},
 552 };
 553
 554 static struct edma_soc_info edma_cc0_info = {
 555         .n_channel              = 64,
 556         .n_region               = 6,    /* 0-1, 4-7 */
 557         .n_slot                 = 512,
 558         .n_tc                   = 4,
 559         .n_cc                   = 1,
 560         .queue_tc_mapping       = dm646x_queue_tc_mapping,
 561         .queue_priority_mapping = dm646x_queue_priority_mapping,
 562         .default_queue          = EVENTQ_1,
 563 };
 564
 565 static struct edma_soc_info *dm646x_edma_info[EDMA_MAX_CC] = {
 566         &edma_cc0_info,
 567 };
 568
 569 static struct resource edma_resources[] = {
 570         {
 571                 .name   = "edma_cc0",
 572                 .start  = 0x01c00000,
 573                 .end    = 0x01c00000 + SZ_64K - 1,
 574                 .flags  = IORESOURCE_MEM,
 575         },
 576         {
 577                 .name   = "edma_tc0",
 578                 .start  = 0x01c10000,
 579                 .end    = 0x01c10000 + SZ_1K - 1,
 580                 .flags  = IORESOURCE_MEM,
 581         },
 582         {
 583                 .name   = "edma_tc1",
 584                 .start  = 0x01c10400,
 585                 .end    = 0x01c10400 + SZ_1K - 1,
 586                 .flags  = IORESOURCE_MEM,
 587         },
 588         {
 589                 .name   = "edma_tc2",
 590                 .start  = 0x01c10800,
 591                 .end    = 0x01c10800 + SZ_1K - 1,
 592                 .flags  = IORESOURCE_MEM,
 593         },
 594         {
 595                 .name   = "edma_tc3",
 596                 .start  = 0x01c10c00,
 597                 .end    = 0x01c10c00 + SZ_1K - 1,
 598                 .flags  = IORESOURCE_MEM,
 599         },
 600         {
 601                 .name   = "edma0",
 602                 .start  = IRQ_CCINT0,
 603                 .flags  = IORESOURCE_IRQ,
 604         },
 605         {
 606                 .name   = "edma0_err",
 607                 .start  = IRQ_CCERRINT,
 608                 .flags  = IORESOURCE_IRQ,
 609         },
 610         /* not using TC*_ERR */
 611 };
 612
 613 static struct platform_device dm646x_edma_device = {
 614         .name                   = "edma",
 615         .id                     = 0,
 616         .dev.platform_data      = dm646x_edma_info,
 617         .num_resources          = ARRAY_SIZE(edma_resources),
 618         .resource               = edma_resources,
 619 };
 620
 621 static struct resource dm646x_mcasp0_resources[] = {
 622         {
 623                 .name   = "mcasp0",
 624                 .start  = DAVINCI_DM646X_MCASP0_REG_BASE,
 625                 .end    = DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1,
 626                 .flags  = IORESOURCE_MEM,
 627         },
 628         /* first TX, then RX */
 629         {
 630                 .start  = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
 631                 .end    = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
 632                 .flags  = IORESOURCE_DMA,
 633         },
 634         {
 635                 .start  = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
 636                 .end    = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
 637                 .flags  = IORESOURCE_DMA,
 638         },
 639 };
 640
 641 static struct resource dm646x_mcasp1_resources[] = {
 642         {
 643                 .name   = "mcasp1",
 644                 .start  = DAVINCI_DM646X_MCASP1_REG_BASE,
 645                 .end    = DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1,
 646                 .flags  = IORESOURCE_MEM,
 647         },
 648         /* DIT mode, only TX event */
 649         {
 650                 .start  = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
 651                 .end    = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
 652                 .flags  = IORESOURCE_DMA,
 653         },
 654         /* DIT mode, dummy entry */
 655         {
 656                 .start  = -1,
 657                 .end    = -1,
 658                 .flags  = IORESOURCE_DMA,
 659         },
 660 };
 661
 662 static struct platform_device dm646x_mcasp0_device = {
 663         .name           = "davinci-mcasp",
 664         .id             = 0,
 665         .num_resources  = ARRAY_SIZE(dm646x_mcasp0_resources),
 666         .resource       = dm646x_mcasp0_resources,
 667 };
 668
 669 static struct platform_device dm646x_mcasp1_device = {
 670         .name           = "davinci-mcasp",
 671         .id             = 1,
 672         .num_resources  = ARRAY_SIZE(dm646x_mcasp1_resources),
 673         .resource       = dm646x_mcasp1_resources,
 674 };
 675
 676 static struct platform_device dm646x_dit_device = {
 677         .name   = "spdif-dit",
 678         .id     = -1,
 679 };
 680
 681 static u64 vpif_dma_mask = DMA_BIT_MASK(32);
 682
 683 static struct resource vpif_resource[] = {
 684         {
 685                 .start  = DAVINCI_VPIF_BASE,
 686                 .end    = DAVINCI_VPIF_BASE + 0x03ff,
 687                 .flags  = IORESOURCE_MEM,
 688         }
 689 };
 690
 691 static struct platform_device vpif_dev = {
 692         .name           = "vpif",
 693         .id             = -1,
 694         .dev            = {
 695                         .dma_mask               = &vpif_dma_mask,
 696                         .coherent_dma_mask      = DMA_BIT_MASK(32),
 697         },
 698         .resource       = vpif_resource,
 699         .num_resources  = ARRAY_SIZE(vpif_resource),
 700 };
 701
 702 static struct resource vpif_display_resource[] = {
 703         {
 704                 .start = IRQ_DM646X_VP_VERTINT2,
 705                 .end   = IRQ_DM646X_VP_VERTINT2,
 706                 .flags = IORESOURCE_IRQ,
 707         },
 708         {
 709                 .start = IRQ_DM646X_VP_VERTINT3,
 710                 .end   = IRQ_DM646X_VP_VERTINT3,
 711                 .flags = IORESOURCE_IRQ,
 712         },
 713 };
 714
 715 static struct platform_device vpif_display_dev = {
 716         .name           = "vpif_display",
 717         .id             = -1,
 718         .dev            = {
 719                         .dma_mask               = &vpif_dma_mask,
 720                         .coherent_dma_mask      = DMA_BIT_MASK(32),
 721         },
 722         .resource       = vpif_display_resource,
 723         .num_resources  = ARRAY_SIZE(vpif_display_resource),
 724 };
 725
 726 static struct resource vpif_capture_resource[] = {
 727         {
 728                 .start = IRQ_DM646X_VP_VERTINT0,
 729                 .end   = IRQ_DM646X_VP_VERTINT0,
 730                 .flags = IORESOURCE_IRQ,
 731         },
 732         {
 733                 .start = IRQ_DM646X_VP_VERTINT1,
 734                 .end   = IRQ_DM646X_VP_VERTINT1,
 735                 .flags = IORESOURCE_IRQ,
 736         },
 737 };
 738
 739 static struct platform_device vpif_capture_dev = {
 740         .name           = "vpif_capture",
 741         .id             = -1,
 742         .dev            = {
 743                         .dma_mask               = &vpif_dma_mask,
 744                         .coherent_dma_mask      = DMA_BIT_MASK(32),
 745         },
 746         .resource       = vpif_capture_resource,
 747         .num_resources  = ARRAY_SIZE(vpif_capture_resource),
 748 };
 749
 750 /*----------------------------------------------------------------------*/
 751
 752 static struct map_desc dm646x_io_desc[] = {
 753         {
 754                 .virtual        = IO_VIRT,
 755                 .pfn            = __phys_to_pfn(IO_PHYS),
 756                 .length         = IO_SIZE,
 757                 .type           = MT_DEVICE
 758         },
 759 };
 760
 761 /* Contents of JTAG ID register used to identify exact cpu type */
 762 static struct davinci_id dm646x_ids[] = {
 763         {
 764                 .variant        = 0x0,
 765                 .part_no        = 0xb770,
 766                 .manufacturer   = 0x017,
 767                 .cpu_id         = DAVINCI_CPU_ID_DM6467,
 768                 .name           = "dm6467_rev1.x",
 769         },
 770         {
 771                 .variant        = 0x1,
 772                 .part_no        = 0xb770,
 773                 .manufacturer   = 0x017,
 774                 .cpu_id         = DAVINCI_CPU_ID_DM6467,
 775                 .name           = "dm6467_rev3.x",
 776         },
 777 };
 778
 779 static u32 dm646x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
 780
 781 /*
 782  * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
 783  * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
 784  * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
 785  * T1_TOP: Timer 1, top   :  <unused>
 786  */
 787 static struct davinci_timer_info dm646x_timer_info = {
 788         .timers         = davinci_timer_instance,
 789         .clockevent_id  = T0_BOT,
 790         .clocksource_id = T0_TOP,
 791 };
 792
 793 static struct plat_serial8250_port dm646x_serial_platform_data[] = {
 794         {
 795                 .mapbase        = DAVINCI_UART0_BASE,
 796                 .irq            = IRQ_UARTINT0,
 797                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 798                                   UPF_IOREMAP,
 799                 .iotype         = UPIO_MEM32,
 800                 .regshift       = 2,
 801         },
 802         {
 803                 .mapbase        = DAVINCI_UART1_BASE,
 804                 .irq            = IRQ_UARTINT1,
 805                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 806                                   UPF_IOREMAP,
 807                 .iotype         = UPIO_MEM32,
 808                 .regshift       = 2,
 809         },
 810         {
 811                 .mapbase        = DAVINCI_UART2_BASE,
 812                 .irq            = IRQ_DM646X_UARTINT2,
 813                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 814                                   UPF_IOREMAP,
 815                 .iotype         = UPIO_MEM32,
 816                 .regshift       = 2,
 817         },
 818         {
 819                 .flags          = 0
 820         },
 821 };
 822
 823 static struct platform_device dm646x_serial_device = {
 824         .name                   = "serial8250",
 825         .id                     = PLAT8250_DEV_PLATFORM,
 826         .dev                    = {
 827                 .platform_data  = dm646x_serial_platform_data,
 828         },
 829 };
 830
 831 static struct davinci_soc_info davinci_soc_info_dm646x = {
 832         .io_desc                = dm646x_io_desc,
 833         .io_desc_num            = ARRAY_SIZE(dm646x_io_desc),
 834         .jtag_id_reg            = 0x01c40028,
 835         .ids                    = dm646x_ids,
 836         .ids_num                = ARRAY_SIZE(dm646x_ids),
 837         .cpu_clks               = dm646x_clks,
 838         .psc_bases              = dm646x_psc_bases,
 839         .psc_bases_num          = ARRAY_SIZE(dm646x_psc_bases),
 840         .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
 841         .pinmux_pins            = dm646x_pins,
 842         .pinmux_pins_num        = ARRAY_SIZE(dm646x_pins),
 843         .intc_base              = DAVINCI_ARM_INTC_BASE,
 844         .intc_type              = DAVINCI_INTC_TYPE_AINTC,
 845         .intc_irq_prios         = dm646x_default_priorities,
 846         .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
 847         .timer_info             = &dm646x_timer_info,
 848         .gpio_type              = GPIO_TYPE_DAVINCI,
 849         .gpio_base              = DAVINCI_GPIO_BASE,
 850         .gpio_num               = 43, /* Only 33 usable */
 851         .gpio_irq               = IRQ_DM646X_GPIOBNK0,
 852         .serial_dev             = &dm646x_serial_device,
 853         .emac_pdata             = &dm646x_emac_pdata,
 854         .sram_dma               = 0x10010000,
 855         .sram_len               = SZ_32K,
 856 };
 857
 858 void __init dm646x_init_mcasp0(struct snd_platform_data *pdata)
 859 {
 860         dm646x_mcasp0_device.dev.platform_data = pdata;
 861         platform_device_register(&dm646x_mcasp0_device);
 862 }
 863
 864 void __init dm646x_init_mcasp1(struct snd_platform_data *pdata)
 865 {
 866         dm646x_mcasp1_device.dev.platform_data = pdata;
 867         platform_device_register(&dm646x_mcasp1_device);
 868         platform_device_register(&dm646x_dit_device);
 869 }
 870
 871 void dm646x_setup_vpif(struct vpif_display_config *display_config,
 872                        struct vpif_capture_config *capture_config)
 873 {
 874         unsigned int value;
 875
 876         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
 877         value &= ~VSCLKDIS_MASK;
 878         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
 879
 880         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN));
 881         value &= ~VDD3P3V_VID_MASK;
 882         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN));
 883
 884         davinci_cfg_reg(DM646X_STSOMUX_DISABLE);
 885         davinci_cfg_reg(DM646X_STSIMUX_DISABLE);
 886         davinci_cfg_reg(DM646X_PTSOMUX_DISABLE);
 887         davinci_cfg_reg(DM646X_PTSIMUX_DISABLE);
 888
 889         vpif_display_dev.dev.platform_data = display_config;
 890         vpif_capture_dev.dev.platform_data = capture_config;
 891         platform_device_register(&vpif_dev);
 892         platform_device_register(&vpif_display_dev);
 893         platform_device_register(&vpif_capture_dev);
 894 }
 895
 896 int __init dm646x_init_edma(struct edma_rsv_info *rsv)
 897 {
 898         edma_cc0_info.rsv = rsv;
 899
 900         return platform_device_register(&dm646x_edma_device);
 901 }
 902
 903 void __init dm646x_init(void)
 904 {
 905         davinci_common_init(&davinci_soc_info_dm646x);
 906         davinci_map_sysmod();
 907 }
 908
 909 static int __init dm646x_init_devices(void)
 910 {
 911         if (!cpu_is_davinci_dm646x())
 912                 return 0;
 913
 914         platform_device_register(&dm646x_mdio_device);
 915         platform_device_register(&dm646x_emac_device);
 916         clk_add_alias(NULL, dev_name(&dm646x_mdio_device.dev),
 917                       NULL, &dm646x_emac_device.dev);
 918
 919         return 0;
 920 }
 921 postcore_initcall(dm646x_init_devices);