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/dmaengine.h>
  13 #include <linux/init.h>
  14 #include <linux/clk.h>
  15 #include <linux/serial_8250.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/platform_data/edma.h>
  18 #include <linux/platform_data/gpio-davinci.h>
  19
  20 #include <asm/mach/map.h>
  21
  22 #include <mach/cputype.h>
  23 #include <mach/irqs.h>
  24 #include "psc.h"
  25 #include <mach/mux.h>
  26 #include <mach/time.h>
  27 #include <mach/serial.h>
  28 #include <mach/common.h>
  29
  30 #include "davinci.h"
  31 #include "clock.h"
  32 #include "mux.h"
  33 #include "asp.h"
  34
  35 #define DAVINCI_VPIF_BASE       (0x01C12000)
  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_REF_FREQ         27000000
  46 #define DM646X_AUX_FREQ         24000000
  47
  48 #define DM646X_EMAC_BASE                0x01c80000
  49 #define DM646X_EMAC_MDIO_BASE           (DM646X_EMAC_BASE + 0x4000)
  50 #define DM646X_EMAC_CNTRL_OFFSET        0x0000
  51 #define DM646X_EMAC_CNTRL_MOD_OFFSET    0x1000
  52 #define DM646X_EMAC_CNTRL_RAM_OFFSET    0x2000
  53 #define DM646X_EMAC_CNTRL_RAM_SIZE      0x2000
  54
  55 static struct pll_data pll1_data = {
  56         .num       = 1,
  57         .phys_base = DAVINCI_PLL1_BASE,
  58 };
  59
  60 static struct pll_data pll2_data = {
  61         .num       = 2,
  62         .phys_base = DAVINCI_PLL2_BASE,
  63 };
  64
  65 static struct clk ref_clk = {
  66         .name = "ref_clk",
  67         .rate = DM646X_REF_FREQ,
  68         .set_rate = davinci_simple_set_rate,
  69 };
  70
  71 static struct clk aux_clkin = {
  72         .name = "aux_clkin",
  73         .rate = DM646X_AUX_FREQ,
  74 };
  75
  76 static struct clk pll1_clk = {
  77         .name = "pll1",
  78         .parent = &ref_clk,
  79         .pll_data = &pll1_data,
  80         .flags = CLK_PLL,
  81 };
  82
  83 static struct clk pll1_sysclk1 = {
  84         .name = "pll1_sysclk1",
  85         .parent = &pll1_clk,
  86         .flags = CLK_PLL,
  87         .div_reg = PLLDIV1,
  88 };
  89
  90 static struct clk pll1_sysclk2 = {
  91         .name = "pll1_sysclk2",
  92         .parent = &pll1_clk,
  93         .flags = CLK_PLL,
  94         .div_reg = PLLDIV2,
  95 };
  96
  97 static struct clk pll1_sysclk3 = {
  98         .name = "pll1_sysclk3",
  99         .parent = &pll1_clk,
 100         .flags = CLK_PLL,
 101         .div_reg = PLLDIV3,
 102 };
 103
 104 static struct clk pll1_sysclk4 = {
 105         .name = "pll1_sysclk4",
 106         .parent = &pll1_clk,
 107         .flags = CLK_PLL,
 108         .div_reg = PLLDIV4,
 109 };
 110
 111 static struct clk pll1_sysclk5 = {
 112         .name = "pll1_sysclk5",
 113         .parent = &pll1_clk,
 114         .flags = CLK_PLL,
 115         .div_reg = PLLDIV5,
 116 };
 117
 118 static struct clk pll1_sysclk6 = {
 119         .name = "pll1_sysclk6",
 120         .parent = &pll1_clk,
 121         .flags = CLK_PLL,
 122         .div_reg = PLLDIV6,
 123 };
 124
 125 static struct clk pll1_sysclk8 = {
 126         .name = "pll1_sysclk8",
 127         .parent = &pll1_clk,
 128         .flags = CLK_PLL,
 129         .div_reg = PLLDIV8,
 130 };
 131
 132 static struct clk pll1_sysclk9 = {
 133         .name = "pll1_sysclk9",
 134         .parent = &pll1_clk,
 135         .flags = CLK_PLL,
 136         .div_reg = PLLDIV9,
 137 };
 138
 139 static struct clk pll1_sysclkbp = {
 140         .name = "pll1_sysclkbp",
 141         .parent = &pll1_clk,
 142         .flags = CLK_PLL | PRE_PLL,
 143         .div_reg = BPDIV,
 144 };
 145
 146 static struct clk pll1_aux_clk = {
 147         .name = "pll1_aux_clk",
 148         .parent = &pll1_clk,
 149         .flags = CLK_PLL | PRE_PLL,
 150 };
 151
 152 static struct clk pll2_clk = {
 153         .name = "pll2_clk",
 154         .parent = &ref_clk,
 155         .pll_data = &pll2_data,
 156         .flags = CLK_PLL,
 157 };
 158
 159 static struct clk pll2_sysclk1 = {
 160         .name = "pll2_sysclk1",
 161         .parent = &pll2_clk,
 162         .flags = CLK_PLL,
 163         .div_reg = PLLDIV1,
 164 };
 165
 166 static struct clk dsp_clk = {
 167         .name = "dsp",
 168         .parent = &pll1_sysclk1,
 169         .lpsc = DM646X_LPSC_C64X_CPU,
 170         .usecount = 1,                  /* REVISIT how to disable? */
 171 };
 172
 173 static struct clk arm_clk = {
 174         .name = "arm",
 175         .parent = &pll1_sysclk2,
 176         .lpsc = DM646X_LPSC_ARM,
 177         .flags = ALWAYS_ENABLED,
 178 };
 179
 180 static struct clk edma_cc_clk = {
 181         .name = "edma_cc",
 182         .parent = &pll1_sysclk2,
 183         .lpsc = DM646X_LPSC_TPCC,
 184         .flags = ALWAYS_ENABLED,
 185 };
 186
 187 static struct clk edma_tc0_clk = {
 188         .name = "edma_tc0",
 189         .parent = &pll1_sysclk2,
 190         .lpsc = DM646X_LPSC_TPTC0,
 191         .flags = ALWAYS_ENABLED,
 192 };
 193
 194 static struct clk edma_tc1_clk = {
 195         .name = "edma_tc1",
 196         .parent = &pll1_sysclk2,
 197         .lpsc = DM646X_LPSC_TPTC1,
 198         .flags = ALWAYS_ENABLED,
 199 };
 200
 201 static struct clk edma_tc2_clk = {
 202         .name = "edma_tc2",
 203         .parent = &pll1_sysclk2,
 204         .lpsc = DM646X_LPSC_TPTC2,
 205         .flags = ALWAYS_ENABLED,
 206 };
 207
 208 static struct clk edma_tc3_clk = {
 209         .name = "edma_tc3",
 210         .parent = &pll1_sysclk2,
 211         .lpsc = DM646X_LPSC_TPTC3,
 212         .flags = ALWAYS_ENABLED,
 213 };
 214
 215 static struct clk uart0_clk = {
 216         .name = "uart0",
 217         .parent = &aux_clkin,
 218         .lpsc = DM646X_LPSC_UART0,
 219 };
 220
 221 static struct clk uart1_clk = {
 222         .name = "uart1",
 223         .parent = &aux_clkin,
 224         .lpsc = DM646X_LPSC_UART1,
 225 };
 226
 227 static struct clk uart2_clk = {
 228         .name = "uart2",
 229         .parent = &aux_clkin,
 230         .lpsc = DM646X_LPSC_UART2,
 231 };
 232
 233 static struct clk i2c_clk = {
 234         .name = "I2CCLK",
 235         .parent = &pll1_sysclk3,
 236         .lpsc = DM646X_LPSC_I2C,
 237 };
 238
 239 static struct clk gpio_clk = {
 240         .name = "gpio",
 241         .parent = &pll1_sysclk3,
 242         .lpsc = DM646X_LPSC_GPIO,
 243 };
 244
 245 static struct clk mcasp0_clk = {
 246         .name = "mcasp0",
 247         .parent = &pll1_sysclk3,
 248         .lpsc = DM646X_LPSC_McASP0,
 249 };
 250
 251 static struct clk mcasp1_clk = {
 252         .name = "mcasp1",
 253         .parent = &pll1_sysclk3,
 254         .lpsc = DM646X_LPSC_McASP1,
 255 };
 256
 257 static struct clk aemif_clk = {
 258         .name = "aemif",
 259         .parent = &pll1_sysclk3,
 260         .lpsc = DM646X_LPSC_AEMIF,
 261         .flags = ALWAYS_ENABLED,
 262 };
 263
 264 static struct clk emac_clk = {
 265         .name = "emac",
 266         .parent = &pll1_sysclk3,
 267         .lpsc = DM646X_LPSC_EMAC,
 268 };
 269
 270 static struct clk pwm0_clk = {
 271         .name = "pwm0",
 272         .parent = &pll1_sysclk3,
 273         .lpsc = DM646X_LPSC_PWM0,
 274         .usecount = 1,            /* REVIST: disabling hangs system */
 275 };
 276
 277 static struct clk pwm1_clk = {
 278         .name = "pwm1",
 279         .parent = &pll1_sysclk3,
 280         .lpsc = DM646X_LPSC_PWM1,
 281         .usecount = 1,            /* REVIST: disabling hangs system */
 282 };
 283
 284 static struct clk timer0_clk = {
 285         .name = "timer0",
 286         .parent = &pll1_sysclk3,
 287         .lpsc = DM646X_LPSC_TIMER0,
 288 };
 289
 290 static struct clk timer1_clk = {
 291         .name = "timer1",
 292         .parent = &pll1_sysclk3,
 293         .lpsc = DM646X_LPSC_TIMER1,
 294 };
 295
 296 static struct clk timer2_clk = {
 297         .name = "timer2",
 298         .parent = &pll1_sysclk3,
 299         .flags = ALWAYS_ENABLED, /* no LPSC, always enabled; c.f. spruep9a */
 300 };
 301
 302
 303 static struct clk ide_clk = {
 304         .name = "ide",
 305         .parent = &pll1_sysclk4,
 306         .lpsc = DAVINCI_LPSC_ATA,
 307 };
 308
 309 static struct clk vpif0_clk = {
 310         .name = "vpif0",
 311         .parent = &ref_clk,
 312         .lpsc = DM646X_LPSC_VPSSMSTR,
 313         .flags = ALWAYS_ENABLED,
 314 };
 315
 316 static struct clk vpif1_clk = {
 317         .name = "vpif1",
 318         .parent = &ref_clk,
 319         .lpsc = DM646X_LPSC_VPSSSLV,
 320         .flags = ALWAYS_ENABLED,
 321 };
 322
 323 static struct clk_lookup dm646x_clks[] = {
 324         CLK(NULL, "ref", &ref_clk),
 325         CLK(NULL, "aux", &aux_clkin),
 326         CLK(NULL, "pll1", &pll1_clk),
 327         CLK(NULL, "pll1_sysclk", &pll1_sysclk1),
 328         CLK(NULL, "pll1_sysclk", &pll1_sysclk2),
 329         CLK(NULL, "pll1_sysclk", &pll1_sysclk3),
 330         CLK(NULL, "pll1_sysclk", &pll1_sysclk4),
 331         CLK(NULL, "pll1_sysclk", &pll1_sysclk5),
 332         CLK(NULL, "pll1_sysclk", &pll1_sysclk6),
 333         CLK(NULL, "pll1_sysclk", &pll1_sysclk8),
 334         CLK(NULL, "pll1_sysclk", &pll1_sysclk9),
 335         CLK(NULL, "pll1_sysclk", &pll1_sysclkbp),
 336         CLK(NULL, "pll1_aux", &pll1_aux_clk),
 337         CLK(NULL, "pll2", &pll2_clk),
 338         CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
 339         CLK(NULL, "dsp", &dsp_clk),
 340         CLK(NULL, "arm", &arm_clk),
 341         CLK(NULL, "edma_cc", &edma_cc_clk),
 342         CLK(NULL, "edma_tc0", &edma_tc0_clk),
 343         CLK(NULL, "edma_tc1", &edma_tc1_clk),
 344         CLK(NULL, "edma_tc2", &edma_tc2_clk),
 345         CLK(NULL, "edma_tc3", &edma_tc3_clk),
 346         CLK("serial8250.0", NULL, &uart0_clk),
 347         CLK("serial8250.1", NULL, &uart1_clk),
 348         CLK("serial8250.2", NULL, &uart2_clk),
 349         CLK("i2c_davinci.1", NULL, &i2c_clk),
 350         CLK(NULL, "gpio", &gpio_clk),
 351         CLK("davinci-mcasp.0", NULL, &mcasp0_clk),
 352         CLK("davinci-mcasp.1", NULL, &mcasp1_clk),
 353         CLK(NULL, "aemif", &aemif_clk),
 354         CLK("davinci_emac.1", NULL, &emac_clk),
 355         CLK("davinci_mdio.0", "fck", &emac_clk),
 356         CLK(NULL, "pwm0", &pwm0_clk),
 357         CLK(NULL, "pwm1", &pwm1_clk),
 358         CLK(NULL, "timer0", &timer0_clk),
 359         CLK(NULL, "timer1", &timer1_clk),
 360         CLK("davinci-wdt", NULL, &timer2_clk),
 361         CLK("palm_bk3710", NULL, &ide_clk),
 362         CLK(NULL, "vpif0", &vpif0_clk),
 363         CLK(NULL, "vpif1", &vpif1_clk),
 364         CLK(NULL, NULL, NULL),
 365 };
 366
 367 static struct emac_platform_data dm646x_emac_pdata = {
 368         .ctrl_reg_offset        = DM646X_EMAC_CNTRL_OFFSET,
 369         .ctrl_mod_reg_offset    = DM646X_EMAC_CNTRL_MOD_OFFSET,
 370         .ctrl_ram_offset        = DM646X_EMAC_CNTRL_RAM_OFFSET,
 371         .ctrl_ram_size          = DM646X_EMAC_CNTRL_RAM_SIZE,
 372         .version                = EMAC_VERSION_2,
 373 };
 374
 375 static struct resource dm646x_emac_resources[] = {
 376         {
 377                 .start  = DM646X_EMAC_BASE,
 378                 .end    = DM646X_EMAC_BASE + SZ_16K - 1,
 379                 .flags  = IORESOURCE_MEM,
 380         },
 381         {
 382                 .start  = IRQ_DM646X_EMACRXTHINT,
 383                 .end    = IRQ_DM646X_EMACRXTHINT,
 384                 .flags  = IORESOURCE_IRQ,
 385         },
 386         {
 387                 .start  = IRQ_DM646X_EMACRXINT,
 388                 .end    = IRQ_DM646X_EMACRXINT,
 389                 .flags  = IORESOURCE_IRQ,
 390         },
 391         {
 392                 .start  = IRQ_DM646X_EMACTXINT,
 393                 .end    = IRQ_DM646X_EMACTXINT,
 394                 .flags  = IORESOURCE_IRQ,
 395         },
 396         {
 397                 .start  = IRQ_DM646X_EMACMISCINT,
 398                 .end    = IRQ_DM646X_EMACMISCINT,
 399                 .flags  = IORESOURCE_IRQ,
 400         },
 401 };
 402
 403 static struct platform_device dm646x_emac_device = {
 404         .name           = "davinci_emac",
 405         .id             = 1,
 406         .dev = {
 407                 .platform_data  = &dm646x_emac_pdata,
 408         },
 409         .num_resources  = ARRAY_SIZE(dm646x_emac_resources),
 410         .resource       = dm646x_emac_resources,
 411 };
 412
 413 static struct resource dm646x_mdio_resources[] = {
 414         {
 415                 .start  = DM646X_EMAC_MDIO_BASE,
 416                 .end    = DM646X_EMAC_MDIO_BASE + SZ_4K - 1,
 417                 .flags  = IORESOURCE_MEM,
 418         },
 419 };
 420
 421 static struct platform_device dm646x_mdio_device = {
 422         .name           = "davinci_mdio",
 423         .id             = 0,
 424         .num_resources  = ARRAY_SIZE(dm646x_mdio_resources),
 425         .resource       = dm646x_mdio_resources,
 426 };
 427
 428 /*
 429  * Device specific mux setup
 430  *
 431  *      soc     description     mux  mode   mode  mux    dbg
 432  *                              reg  offset mask  mode
 433  */
 434 static const struct mux_config dm646x_pins[] = {
 435 #ifdef CONFIG_DAVINCI_MUX
 436 MUX_CFG(DM646X, ATAEN,          0,   0,     5,    1,     true)
 437
 438 MUX_CFG(DM646X, AUDCK1,         0,   29,    1,    0,     false)
 439
 440 MUX_CFG(DM646X, AUDCK0,         0,   28,    1,    0,     false)
 441
 442 MUX_CFG(DM646X, CRGMUX,                 0,   24,    7,    5,     true)
 443
 444 MUX_CFG(DM646X, STSOMUX_DISABLE,        0,   22,    3,    0,     true)
 445
 446 MUX_CFG(DM646X, STSIMUX_DISABLE,        0,   20,    3,    0,     true)
 447
 448 MUX_CFG(DM646X, PTSOMUX_DISABLE,        0,   18,    3,    0,     true)
 449
 450 MUX_CFG(DM646X, PTSIMUX_DISABLE,        0,   16,    3,    0,     true)
 451
 452 MUX_CFG(DM646X, STSOMUX,                0,   22,    3,    2,     true)
 453
 454 MUX_CFG(DM646X, STSIMUX,                0,   20,    3,    2,     true)
 455
 456 MUX_CFG(DM646X, PTSOMUX_PARALLEL,       0,   18,    3,    2,     true)
 457
 458 MUX_CFG(DM646X, PTSIMUX_PARALLEL,       0,   16,    3,    2,     true)
 459
 460 MUX_CFG(DM646X, PTSOMUX_SERIAL,         0,   18,    3,    3,     true)
 461
 462 MUX_CFG(DM646X, PTSIMUX_SERIAL,         0,   16,    3,    3,     true)
 463 #endif
 464 };
 465
 466 static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 467         [IRQ_DM646X_VP_VERTINT0]        = 7,
 468         [IRQ_DM646X_VP_VERTINT1]        = 7,
 469         [IRQ_DM646X_VP_VERTINT2]        = 7,
 470         [IRQ_DM646X_VP_VERTINT3]        = 7,
 471         [IRQ_DM646X_VP_ERRINT]          = 7,
 472         [IRQ_DM646X_RESERVED_1]         = 7,
 473         [IRQ_DM646X_RESERVED_2]         = 7,
 474         [IRQ_DM646X_WDINT]              = 7,
 475         [IRQ_DM646X_CRGENINT0]          = 7,
 476         [IRQ_DM646X_CRGENINT1]          = 7,
 477         [IRQ_DM646X_TSIFINT0]           = 7,
 478         [IRQ_DM646X_TSIFINT1]           = 7,
 479         [IRQ_DM646X_VDCEINT]            = 7,
 480         [IRQ_DM646X_USBINT]             = 7,
 481         [IRQ_DM646X_USBDMAINT]          = 7,
 482         [IRQ_DM646X_PCIINT]             = 7,
 483         [IRQ_CCINT0]                    = 7,    /* dma */
 484         [IRQ_CCERRINT]                  = 7,    /* dma */
 485         [IRQ_TCERRINT0]                 = 7,    /* dma */
 486         [IRQ_TCERRINT]                  = 7,    /* dma */
 487         [IRQ_DM646X_TCERRINT2]          = 7,
 488         [IRQ_DM646X_TCERRINT3]          = 7,
 489         [IRQ_DM646X_IDE]                = 7,
 490         [IRQ_DM646X_HPIINT]             = 7,
 491         [IRQ_DM646X_EMACRXTHINT]        = 7,
 492         [IRQ_DM646X_EMACRXINT]          = 7,
 493         [IRQ_DM646X_EMACTXINT]          = 7,
 494         [IRQ_DM646X_EMACMISCINT]        = 7,
 495         [IRQ_DM646X_MCASP0TXINT]        = 7,
 496         [IRQ_DM646X_MCASP0RXINT]        = 7,
 497         [IRQ_DM646X_RESERVED_3]         = 7,
 498         [IRQ_DM646X_MCASP1TXINT]        = 7,    /* clockevent */
 499         [IRQ_TINT0_TINT34]              = 7,    /* clocksource */
 500         [IRQ_TINT1_TINT12]              = 7,    /* DSP timer */
 501         [IRQ_TINT1_TINT34]              = 7,    /* system tick */
 502         [IRQ_PWMINT0]                   = 7,
 503         [IRQ_PWMINT1]                   = 7,
 504         [IRQ_DM646X_VLQINT]             = 7,
 505         [IRQ_I2C]                       = 7,
 506         [IRQ_UARTINT0]                  = 7,
 507         [IRQ_UARTINT1]                  = 7,
 508         [IRQ_DM646X_UARTINT2]           = 7,
 509         [IRQ_DM646X_SPINT0]             = 7,
 510         [IRQ_DM646X_SPINT1]             = 7,
 511         [IRQ_DM646X_DSP2ARMINT]         = 7,
 512         [IRQ_DM646X_RESERVED_4]         = 7,
 513         [IRQ_DM646X_PSCINT]             = 7,
 514         [IRQ_DM646X_GPIO0]              = 7,
 515         [IRQ_DM646X_GPIO1]              = 7,
 516         [IRQ_DM646X_GPIO2]              = 7,
 517         [IRQ_DM646X_GPIO3]              = 7,
 518         [IRQ_DM646X_GPIO4]              = 7,
 519         [IRQ_DM646X_GPIO5]              = 7,
 520         [IRQ_DM646X_GPIO6]              = 7,
 521         [IRQ_DM646X_GPIO7]              = 7,
 522         [IRQ_DM646X_GPIOBNK0]           = 7,
 523         [IRQ_DM646X_GPIOBNK1]           = 7,
 524         [IRQ_DM646X_GPIOBNK2]           = 7,
 525         [IRQ_DM646X_DDRINT]             = 7,
 526         [IRQ_DM646X_AEMIFINT]           = 7,
 527         [IRQ_COMMTX]                    = 7,
 528         [IRQ_COMMRX]                    = 7,
 529         [IRQ_EMUINT]                    = 7,
 530 };
 531
 532 /*----------------------------------------------------------------------*/
 533
 534 /* Four Transfer Controllers on DM646x */
 535 static s8 dm646x_queue_priority_mapping[][2] = {
 536         /* {event queue no, Priority} */
 537         {0, 4},
 538         {1, 0},
 539         {2, 5},
 540         {3, 1},
 541         {-1, -1},
 542 };
 543
 544 static const struct dma_slave_map dm646x_edma_map[] = {
 545         { "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 6) },
 546         { "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 9) },
 547         { "davinci-mcasp.1", "tx", EDMA_FILTER_PARAM(0, 12) },
 548         { "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },
 549         { "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },
 550 };
 551
 552 static struct edma_soc_info dm646x_edma_pdata = {
 553         .queue_priority_mapping = dm646x_queue_priority_mapping,
 554         .default_queue          = EVENTQ_1,
 555         .slave_map              = dm646x_edma_map,
 556         .slavecnt               = ARRAY_SIZE(dm646x_edma_map),
 557 };
 558
 559 static struct resource edma_resources[] = {
 560         {
 561                 .name   = "edma3_cc",
 562                 .start  = 0x01c00000,
 563                 .end    = 0x01c00000 + SZ_64K - 1,
 564                 .flags  = IORESOURCE_MEM,
 565         },
 566         {
 567                 .name   = "edma3_tc0",
 568                 .start  = 0x01c10000,
 569                 .end    = 0x01c10000 + SZ_1K - 1,
 570                 .flags  = IORESOURCE_MEM,
 571         },
 572         {
 573                 .name   = "edma3_tc1",
 574                 .start  = 0x01c10400,
 575                 .end    = 0x01c10400 + SZ_1K - 1,
 576                 .flags  = IORESOURCE_MEM,
 577         },
 578         {
 579                 .name   = "edma3_tc2",
 580                 .start  = 0x01c10800,
 581                 .end    = 0x01c10800 + SZ_1K - 1,
 582                 .flags  = IORESOURCE_MEM,
 583         },
 584         {
 585                 .name   = "edma3_tc3",
 586                 .start  = 0x01c10c00,
 587                 .end    = 0x01c10c00 + SZ_1K - 1,
 588                 .flags  = IORESOURCE_MEM,
 589         },
 590         {
 591                 .name   = "edma3_ccint",
 592                 .start  = IRQ_CCINT0,
 593                 .flags  = IORESOURCE_IRQ,
 594         },
 595         {
 596                 .name   = "edma3_ccerrint",
 597                 .start  = IRQ_CCERRINT,
 598                 .flags  = IORESOURCE_IRQ,
 599         },
 600         /* not using TC*_ERR */
 601 };
 602
 603 static const struct platform_device_info dm646x_edma_device __initconst = {
 604         .name           = "edma",
 605         .id             = 0,
 606         .dma_mask       = DMA_BIT_MASK(32),
 607         .res            = edma_resources,
 608         .num_res        = ARRAY_SIZE(edma_resources),
 609         .data           = &dm646x_edma_pdata,
 610         .size_data      = sizeof(dm646x_edma_pdata),
 611 };
 612
 613 static struct resource dm646x_mcasp0_resources[] = {
 614         {
 615                 .name   = "mpu",
 616                 .start  = DAVINCI_DM646X_MCASP0_REG_BASE,
 617                 .end    = DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1,
 618                 .flags  = IORESOURCE_MEM,
 619         },
 620         {
 621                 .name   = "tx",
 622                 .start  = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
 623                 .end    = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
 624                 .flags  = IORESOURCE_DMA,
 625         },
 626         {
 627                 .name   = "rx",
 628                 .start  = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
 629                 .end    = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
 630                 .flags  = IORESOURCE_DMA,
 631         },
 632         {
 633                 .name   = "tx",
 634                 .start  = IRQ_DM646X_MCASP0TXINT,
 635                 .flags  = IORESOURCE_IRQ,
 636         },
 637         {
 638                 .name   = "rx",
 639                 .start  = IRQ_DM646X_MCASP0RXINT,
 640                 .flags  = IORESOURCE_IRQ,
 641         },
 642 };
 643
 644 /* DIT mode only, rx is not supported */
 645 static struct resource dm646x_mcasp1_resources[] = {
 646         {
 647                 .name   = "mpu",
 648                 .start  = DAVINCI_DM646X_MCASP1_REG_BASE,
 649                 .end    = DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1,
 650                 .flags  = IORESOURCE_MEM,
 651         },
 652         {
 653                 .name   = "tx",
 654                 .start  = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
 655                 .end    = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
 656                 .flags  = IORESOURCE_DMA,
 657         },
 658         {
 659                 .name   = "tx",
 660                 .start  = IRQ_DM646X_MCASP1TXINT,
 661                 .flags  = IORESOURCE_IRQ,
 662         },
 663 };
 664
 665 static struct platform_device dm646x_mcasp0_device = {
 666         .name           = "davinci-mcasp",
 667         .id             = 0,
 668         .num_resources  = ARRAY_SIZE(dm646x_mcasp0_resources),
 669         .resource       = dm646x_mcasp0_resources,
 670 };
 671
 672 static struct platform_device dm646x_mcasp1_device = {
 673         .name           = "davinci-mcasp",
 674         .id             = 1,
 675         .num_resources  = ARRAY_SIZE(dm646x_mcasp1_resources),
 676         .resource       = dm646x_mcasp1_resources,
 677 };
 678
 679 static struct platform_device dm646x_dit_device = {
 680         .name   = "spdif-dit",
 681         .id     = -1,
 682 };
 683
 684 static u64 vpif_dma_mask = DMA_BIT_MASK(32);
 685
 686 static struct resource vpif_resource[] = {
 687         {
 688                 .start  = DAVINCI_VPIF_BASE,
 689                 .end    = DAVINCI_VPIF_BASE + 0x03ff,
 690                 .flags  = IORESOURCE_MEM,
 691         }
 692 };
 693
 694 static struct platform_device vpif_dev = {
 695         .name           = "vpif",
 696         .id             = -1,
 697         .dev            = {
 698                         .dma_mask               = &vpif_dma_mask,
 699                         .coherent_dma_mask      = DMA_BIT_MASK(32),
 700         },
 701         .resource       = vpif_resource,
 702         .num_resources  = ARRAY_SIZE(vpif_resource),
 703 };
 704
 705 static struct resource vpif_display_resource[] = {
 706         {
 707                 .start = IRQ_DM646X_VP_VERTINT2,
 708                 .end   = IRQ_DM646X_VP_VERTINT2,
 709                 .flags = IORESOURCE_IRQ,
 710         },
 711         {
 712                 .start = IRQ_DM646X_VP_VERTINT3,
 713                 .end   = IRQ_DM646X_VP_VERTINT3,
 714                 .flags = IORESOURCE_IRQ,
 715         },
 716 };
 717
 718 static struct platform_device vpif_display_dev = {
 719         .name           = "vpif_display",
 720         .id             = -1,
 721         .dev            = {
 722                         .dma_mask               = &vpif_dma_mask,
 723                         .coherent_dma_mask      = DMA_BIT_MASK(32),
 724         },
 725         .resource       = vpif_display_resource,
 726         .num_resources  = ARRAY_SIZE(vpif_display_resource),
 727 };
 728
 729 static struct resource vpif_capture_resource[] = {
 730         {
 731                 .start = IRQ_DM646X_VP_VERTINT0,
 732                 .end   = IRQ_DM646X_VP_VERTINT0,
 733                 .flags = IORESOURCE_IRQ,
 734         },
 735         {
 736                 .start = IRQ_DM646X_VP_VERTINT1,
 737                 .end   = IRQ_DM646X_VP_VERTINT1,
 738                 .flags = IORESOURCE_IRQ,
 739         },
 740 };
 741
 742 static struct platform_device vpif_capture_dev = {
 743         .name           = "vpif_capture",
 744         .id             = -1,
 745         .dev            = {
 746                         .dma_mask               = &vpif_dma_mask,
 747                         .coherent_dma_mask      = DMA_BIT_MASK(32),
 748         },
 749         .resource       = vpif_capture_resource,
 750         .num_resources  = ARRAY_SIZE(vpif_capture_resource),
 751 };
 752
 753 static struct resource dm646x_gpio_resources[] = {
 754         {       /* registers */
 755                 .start  = DAVINCI_GPIO_BASE,
 756                 .end    = DAVINCI_GPIO_BASE + SZ_4K - 1,
 757                 .flags  = IORESOURCE_MEM,
 758         },
 759         {       /* interrupt */
 760                 .start  = IRQ_DM646X_GPIOBNK0,
 761                 .end    = IRQ_DM646X_GPIOBNK2,
 762                 .flags  = IORESOURCE_IRQ,
 763         },
 764 };
 765
 766 static struct davinci_gpio_platform_data dm646x_gpio_platform_data = {
 767         .ngpio          = 43,
 768 };
 769
 770 int __init dm646x_gpio_register(void)
 771 {
 772         return davinci_gpio_register(dm646x_gpio_resources,
 773                                      ARRAY_SIZE(dm646x_gpio_resources),
 774                                      &dm646x_gpio_platform_data);
 775 }
 776 /*----------------------------------------------------------------------*/
 777
 778 static struct map_desc dm646x_io_desc[] = {
 779         {
 780                 .virtual        = IO_VIRT,
 781                 .pfn            = __phys_to_pfn(IO_PHYS),
 782                 .length         = IO_SIZE,
 783                 .type           = MT_DEVICE
 784         },
 785 };
 786
 787 /* Contents of JTAG ID register used to identify exact cpu type */
 788 static struct davinci_id dm646x_ids[] = {
 789         {
 790                 .variant        = 0x0,
 791                 .part_no        = 0xb770,
 792                 .manufacturer   = 0x017,
 793                 .cpu_id         = DAVINCI_CPU_ID_DM6467,
 794                 .name           = "dm6467_rev1.x",
 795         },
 796         {
 797                 .variant        = 0x1,
 798                 .part_no        = 0xb770,
 799                 .manufacturer   = 0x017,
 800                 .cpu_id         = DAVINCI_CPU_ID_DM6467,
 801                 .name           = "dm6467_rev3.x",
 802         },
 803 };
 804
 805 static u32 dm646x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
 806
 807 /*
 808  * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
 809  * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
 810  * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
 811  * T1_TOP: Timer 1, top   :  <unused>
 812  */
 813 static struct davinci_timer_info dm646x_timer_info = {
 814         .timers         = davinci_timer_instance,
 815         .clockevent_id  = T0_BOT,
 816         .clocksource_id = T0_TOP,
 817 };
 818
 819 static struct plat_serial8250_port dm646x_serial0_platform_data[] = {
 820         {
 821                 .mapbase        = DAVINCI_UART0_BASE,
 822                 .irq            = IRQ_UARTINT0,
 823                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 824                                   UPF_IOREMAP,
 825                 .iotype         = UPIO_MEM32,
 826                 .regshift       = 2,
 827         },
 828         {
 829                 .flags  = 0,
 830         }
 831 };
 832 static struct plat_serial8250_port dm646x_serial1_platform_data[] = {
 833         {
 834                 .mapbase        = DAVINCI_UART1_BASE,
 835                 .irq            = IRQ_UARTINT1,
 836                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 837                                   UPF_IOREMAP,
 838                 .iotype         = UPIO_MEM32,
 839                 .regshift       = 2,
 840         },
 841         {
 842                 .flags  = 0,
 843         }
 844 };
 845 static struct plat_serial8250_port dm646x_serial2_platform_data[] = {
 846         {
 847                 .mapbase        = DAVINCI_UART2_BASE,
 848                 .irq            = IRQ_DM646X_UARTINT2,
 849                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 850                                   UPF_IOREMAP,
 851                 .iotype         = UPIO_MEM32,
 852                 .regshift       = 2,
 853         },
 854         {
 855                 .flags  = 0,
 856         }
 857 };
 858
 859 struct platform_device dm646x_serial_device[] = {
 860         {
 861                 .name                   = "serial8250",
 862                 .id                     = PLAT8250_DEV_PLATFORM,
 863                 .dev                    = {
 864                         .platform_data  = dm646x_serial0_platform_data,
 865                 }
 866         },
 867         {
 868                 .name                   = "serial8250",
 869                 .id                     = PLAT8250_DEV_PLATFORM1,
 870                 .dev                    = {
 871                         .platform_data  = dm646x_serial1_platform_data,
 872                 }
 873         },
 874         {
 875                 .name                   = "serial8250",
 876                 .id                     = PLAT8250_DEV_PLATFORM2,
 877                 .dev                    = {
 878                         .platform_data  = dm646x_serial2_platform_data,
 879                 }
 880         },
 881         {
 882         }
 883 };
 884
 885 static struct davinci_soc_info davinci_soc_info_dm646x = {
 886         .io_desc                = dm646x_io_desc,
 887         .io_desc_num            = ARRAY_SIZE(dm646x_io_desc),
 888         .jtag_id_reg            = 0x01c40028,
 889         .ids                    = dm646x_ids,
 890         .ids_num                = ARRAY_SIZE(dm646x_ids),
 891         .cpu_clks               = dm646x_clks,
 892         .psc_bases              = dm646x_psc_bases,
 893         .psc_bases_num          = ARRAY_SIZE(dm646x_psc_bases),
 894         .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
 895         .pinmux_pins            = dm646x_pins,
 896         .pinmux_pins_num        = ARRAY_SIZE(dm646x_pins),
 897         .intc_base              = DAVINCI_ARM_INTC_BASE,
 898         .intc_type              = DAVINCI_INTC_TYPE_AINTC,
 899         .intc_irq_prios         = dm646x_default_priorities,
 900         .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
 901         .timer_info             = &dm646x_timer_info,
 902         .emac_pdata             = &dm646x_emac_pdata,
 903         .sram_dma               = 0x10010000,
 904         .sram_len               = SZ_32K,
 905 };
 906
 907 void __init dm646x_init_mcasp0(struct snd_platform_data *pdata)
 908 {
 909         dm646x_mcasp0_device.dev.platform_data = pdata;
 910         platform_device_register(&dm646x_mcasp0_device);
 911 }
 912
 913 void __init dm646x_init_mcasp1(struct snd_platform_data *pdata)
 914 {
 915         dm646x_mcasp1_device.dev.platform_data = pdata;
 916         platform_device_register(&dm646x_mcasp1_device);
 917         platform_device_register(&dm646x_dit_device);
 918 }
 919
 920 void dm646x_setup_vpif(struct vpif_display_config *display_config,
 921                        struct vpif_capture_config *capture_config)
 922 {
 923         unsigned int value;
 924
 925         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
 926         value &= ~VSCLKDIS_MASK;
 927         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
 928
 929         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN));
 930         value &= ~VDD3P3V_VID_MASK;
 931         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN));
 932
 933         davinci_cfg_reg(DM646X_STSOMUX_DISABLE);
 934         davinci_cfg_reg(DM646X_STSIMUX_DISABLE);
 935         davinci_cfg_reg(DM646X_PTSOMUX_DISABLE);
 936         davinci_cfg_reg(DM646X_PTSIMUX_DISABLE);
 937
 938         vpif_display_dev.dev.platform_data = display_config;
 939         vpif_capture_dev.dev.platform_data = capture_config;
 940         platform_device_register(&vpif_dev);
 941         platform_device_register(&vpif_display_dev);
 942         platform_device_register(&vpif_capture_dev);
 943 }
 944
 945 int __init dm646x_init_edma(struct edma_rsv_info *rsv)
 946 {
 947         struct platform_device *edma_pdev;
 948
 949         dm646x_edma_pdata.rsv = rsv;
 950
 951         edma_pdev = platform_device_register_full(&dm646x_edma_device);
 952         return IS_ERR(edma_pdev) ? PTR_ERR(edma_pdev) : 0;
 953 }
 954
 955 void __init dm646x_init(void)
 956 {
 957         davinci_common_init(&davinci_soc_info_dm646x);
 958         davinci_map_sysmod();
 959 }
 960
 961 static int __init dm646x_init_devices(void)
 962 {
 963         int ret = 0;
 964
 965         if (!cpu_is_davinci_dm646x())
 966                 return 0;
 967
 968         platform_device_register(&dm646x_mdio_device);
 969         platform_device_register(&dm646x_emac_device);
 970
 971         ret = davinci_init_wdt();
 972         if (ret)
 973                 pr_warn("%s: watchdog init failed: %d\n", __func__, ret);
 974
 975         return ret;
 976 }
 977 postcore_initcall(dm646x_init_devices);