arch/arm/mach-davinci/dm644x.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/init.h>
  12 #include <linux/clk.h>
  13 #include <linux/serial_8250.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/platform_data/edma.h>
  16 #include <linux/platform_data/gpio-davinci.h>
  17
  18 #include <asm/mach/map.h>
  19
  20 #include <mach/cputype.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
  28 #include "davinci.h"
  29 #include "clock.h"
  30 #include "mux.h"
  31 #include "asp.h"
  32
  33 /*
  34  * Device specific clocks
  35  */
  36 #define DM644X_REF_FREQ         27000000
  37
  38 #define DM644X_EMAC_BASE                0x01c80000
  39 #define DM644X_EMAC_MDIO_BASE           (DM644X_EMAC_BASE + 0x4000)
  40 #define DM644X_EMAC_CNTRL_OFFSET        0x0000
  41 #define DM644X_EMAC_CNTRL_MOD_OFFSET    0x1000
  42 #define DM644X_EMAC_CNTRL_RAM_OFFSET    0x2000
  43 #define DM644X_EMAC_CNTRL_RAM_SIZE      0x2000
  44
  45 static struct pll_data pll1_data = {
  46         .num       = 1,
  47         .phys_base = DAVINCI_PLL1_BASE,
  48 };
  49
  50 static struct pll_data pll2_data = {
  51         .num       = 2,
  52         .phys_base = DAVINCI_PLL2_BASE,
  53 };
  54
  55 static struct clk ref_clk = {
  56         .name = "ref_clk",
  57         .rate = DM644X_REF_FREQ,
  58 };
  59
  60 static struct clk pll1_clk = {
  61         .name = "pll1",
  62         .parent = &ref_clk,
  63         .pll_data = &pll1_data,
  64         .flags = CLK_PLL,
  65 };
  66
  67 static struct clk pll1_sysclk1 = {
  68         .name = "pll1_sysclk1",
  69         .parent = &pll1_clk,
  70         .flags = CLK_PLL,
  71         .div_reg = PLLDIV1,
  72 };
  73
  74 static struct clk pll1_sysclk2 = {
  75         .name = "pll1_sysclk2",
  76         .parent = &pll1_clk,
  77         .flags = CLK_PLL,
  78         .div_reg = PLLDIV2,
  79 };
  80
  81 static struct clk pll1_sysclk3 = {
  82         .name = "pll1_sysclk3",
  83         .parent = &pll1_clk,
  84         .flags = CLK_PLL,
  85         .div_reg = PLLDIV3,
  86 };
  87
  88 static struct clk pll1_sysclk5 = {
  89         .name = "pll1_sysclk5",
  90         .parent = &pll1_clk,
  91         .flags = CLK_PLL,
  92         .div_reg = PLLDIV5,
  93 };
  94
  95 static struct clk pll1_aux_clk = {
  96         .name = "pll1_aux_clk",
  97         .parent = &pll1_clk,
  98         .flags = CLK_PLL | PRE_PLL,
  99 };
 100
 101 static struct clk pll1_sysclkbp = {
 102         .name = "pll1_sysclkbp",
 103         .parent = &pll1_clk,
 104         .flags = CLK_PLL | PRE_PLL,
 105         .div_reg = BPDIV
 106 };
 107
 108 static struct clk pll2_clk = {
 109         .name = "pll2",
 110         .parent = &ref_clk,
 111         .pll_data = &pll2_data,
 112         .flags = CLK_PLL,
 113 };
 114
 115 static struct clk pll2_sysclk1 = {
 116         .name = "pll2_sysclk1",
 117         .parent = &pll2_clk,
 118         .flags = CLK_PLL,
 119         .div_reg = PLLDIV1,
 120 };
 121
 122 static struct clk pll2_sysclk2 = {
 123         .name = "pll2_sysclk2",
 124         .parent = &pll2_clk,
 125         .flags = CLK_PLL,
 126         .div_reg = PLLDIV2,
 127 };
 128
 129 static struct clk pll2_sysclkbp = {
 130         .name = "pll2_sysclkbp",
 131         .parent = &pll2_clk,
 132         .flags = CLK_PLL | PRE_PLL,
 133         .div_reg = BPDIV
 134 };
 135
 136 static struct clk dsp_clk = {
 137         .name = "dsp",
 138         .parent = &pll1_sysclk1,
 139         .lpsc = DAVINCI_LPSC_GEM,
 140         .domain = DAVINCI_GPSC_DSPDOMAIN,
 141         .usecount = 1,                  /* REVISIT how to disable? */
 142 };
 143
 144 static struct clk arm_clk = {
 145         .name = "arm",
 146         .parent = &pll1_sysclk2,
 147         .lpsc = DAVINCI_LPSC_ARM,
 148         .flags = ALWAYS_ENABLED,
 149 };
 150
 151 static struct clk vicp_clk = {
 152         .name = "vicp",
 153         .parent = &pll1_sysclk2,
 154         .lpsc = DAVINCI_LPSC_IMCOP,
 155         .domain = DAVINCI_GPSC_DSPDOMAIN,
 156         .usecount = 1,                  /* REVISIT how to disable? */
 157 };
 158
 159 static struct clk vpss_master_clk = {
 160         .name = "vpss_master",
 161         .parent = &pll1_sysclk3,
 162         .lpsc = DAVINCI_LPSC_VPSSMSTR,
 163         .flags = CLK_PSC,
 164 };
 165
 166 static struct clk vpss_slave_clk = {
 167         .name = "vpss_slave",
 168         .parent = &pll1_sysclk3,
 169         .lpsc = DAVINCI_LPSC_VPSSSLV,
 170 };
 171
 172 static struct clk uart0_clk = {
 173         .name = "uart0",
 174         .parent = &pll1_aux_clk,
 175         .lpsc = DAVINCI_LPSC_UART0,
 176 };
 177
 178 static struct clk uart1_clk = {
 179         .name = "uart1",
 180         .parent = &pll1_aux_clk,
 181         .lpsc = DAVINCI_LPSC_UART1,
 182 };
 183
 184 static struct clk uart2_clk = {
 185         .name = "uart2",
 186         .parent = &pll1_aux_clk,
 187         .lpsc = DAVINCI_LPSC_UART2,
 188 };
 189
 190 static struct clk emac_clk = {
 191         .name = "emac",
 192         .parent = &pll1_sysclk5,
 193         .lpsc = DAVINCI_LPSC_EMAC_WRAPPER,
 194 };
 195
 196 static struct clk i2c_clk = {
 197         .name = "i2c",
 198         .parent = &pll1_aux_clk,
 199         .lpsc = DAVINCI_LPSC_I2C,
 200 };
 201
 202 static struct clk ide_clk = {
 203         .name = "ide",
 204         .parent = &pll1_sysclk5,
 205         .lpsc = DAVINCI_LPSC_ATA,
 206 };
 207
 208 static struct clk asp_clk = {
 209         .name = "asp0",
 210         .parent = &pll1_sysclk5,
 211         .lpsc = DAVINCI_LPSC_McBSP,
 212 };
 213
 214 static struct clk mmcsd_clk = {
 215         .name = "mmcsd",
 216         .parent = &pll1_sysclk5,
 217         .lpsc = DAVINCI_LPSC_MMC_SD,
 218 };
 219
 220 static struct clk spi_clk = {
 221         .name = "spi",
 222         .parent = &pll1_sysclk5,
 223         .lpsc = DAVINCI_LPSC_SPI,
 224 };
 225
 226 static struct clk gpio_clk = {
 227         .name = "gpio",
 228         .parent = &pll1_sysclk5,
 229         .lpsc = DAVINCI_LPSC_GPIO,
 230 };
 231
 232 static struct clk usb_clk = {
 233         .name = "usb",
 234         .parent = &pll1_sysclk5,
 235         .lpsc = DAVINCI_LPSC_USB,
 236 };
 237
 238 static struct clk vlynq_clk = {
 239         .name = "vlynq",
 240         .parent = &pll1_sysclk5,
 241         .lpsc = DAVINCI_LPSC_VLYNQ,
 242 };
 243
 244 static struct clk aemif_clk = {
 245         .name = "aemif",
 246         .parent = &pll1_sysclk5,
 247         .lpsc = DAVINCI_LPSC_AEMIF,
 248 };
 249
 250 static struct clk pwm0_clk = {
 251         .name = "pwm0",
 252         .parent = &pll1_aux_clk,
 253         .lpsc = DAVINCI_LPSC_PWM0,
 254 };
 255
 256 static struct clk pwm1_clk = {
 257         .name = "pwm1",
 258         .parent = &pll1_aux_clk,
 259         .lpsc = DAVINCI_LPSC_PWM1,
 260 };
 261
 262 static struct clk pwm2_clk = {
 263         .name = "pwm2",
 264         .parent = &pll1_aux_clk,
 265         .lpsc = DAVINCI_LPSC_PWM2,
 266 };
 267
 268 static struct clk timer0_clk = {
 269         .name = "timer0",
 270         .parent = &pll1_aux_clk,
 271         .lpsc = DAVINCI_LPSC_TIMER0,
 272 };
 273
 274 static struct clk timer1_clk = {
 275         .name = "timer1",
 276         .parent = &pll1_aux_clk,
 277         .lpsc = DAVINCI_LPSC_TIMER1,
 278 };
 279
 280 static struct clk timer2_clk = {
 281         .name = "timer2",
 282         .parent = &pll1_aux_clk,
 283         .lpsc = DAVINCI_LPSC_TIMER2,
 284         .usecount = 1,              /* REVISIT: why can't this be disabled? */
 285 };
 286
 287 static struct clk_lookup dm644x_clks[] = {
 288         CLK(NULL, "ref", &ref_clk),
 289         CLK(NULL, "pll1", &pll1_clk),
 290         CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
 291         CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
 292         CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
 293         CLK(NULL, "pll1_sysclk5", &pll1_sysclk5),
 294         CLK(NULL, "pll1_aux", &pll1_aux_clk),
 295         CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
 296         CLK(NULL, "pll2", &pll2_clk),
 297         CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
 298         CLK(NULL, "pll2_sysclk2", &pll2_sysclk2),
 299         CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp),
 300         CLK(NULL, "dsp", &dsp_clk),
 301         CLK(NULL, "arm", &arm_clk),
 302         CLK(NULL, "vicp", &vicp_clk),
 303         CLK("vpss", "master", &vpss_master_clk),
 304         CLK("vpss", "slave", &vpss_slave_clk),
 305         CLK(NULL, "arm", &arm_clk),
 306         CLK("serial8250.0", NULL, &uart0_clk),
 307         CLK("serial8250.1", NULL, &uart1_clk),
 308         CLK("serial8250.2", NULL, &uart2_clk),
 309         CLK("davinci_emac.1", NULL, &emac_clk),
 310         CLK("davinci_mdio.0", "fck", &emac_clk),
 311         CLK("i2c_davinci.1", NULL, &i2c_clk),
 312         CLK("palm_bk3710", NULL, &ide_clk),
 313         CLK("davinci-mcbsp", NULL, &asp_clk),
 314         CLK("dm6441-mmc.0", NULL, &mmcsd_clk),
 315         CLK(NULL, "spi", &spi_clk),
 316         CLK(NULL, "gpio", &gpio_clk),
 317         CLK(NULL, "usb", &usb_clk),
 318         CLK(NULL, "vlynq", &vlynq_clk),
 319         CLK(NULL, "aemif", &aemif_clk),
 320         CLK(NULL, "pwm0", &pwm0_clk),
 321         CLK(NULL, "pwm1", &pwm1_clk),
 322         CLK(NULL, "pwm2", &pwm2_clk),
 323         CLK(NULL, "timer0", &timer0_clk),
 324         CLK(NULL, "timer1", &timer1_clk),
 325         CLK("davinci-wdt", NULL, &timer2_clk),
 326         CLK(NULL, NULL, NULL),
 327 };
 328
 329 static struct emac_platform_data dm644x_emac_pdata = {
 330         .ctrl_reg_offset        = DM644X_EMAC_CNTRL_OFFSET,
 331         .ctrl_mod_reg_offset    = DM644X_EMAC_CNTRL_MOD_OFFSET,
 332         .ctrl_ram_offset        = DM644X_EMAC_CNTRL_RAM_OFFSET,
 333         .ctrl_ram_size          = DM644X_EMAC_CNTRL_RAM_SIZE,
 334         .version                = EMAC_VERSION_1,
 335 };
 336
 337 static struct resource dm644x_emac_resources[] = {
 338         {
 339                 .start  = DM644X_EMAC_BASE,
 340                 .end    = DM644X_EMAC_BASE + SZ_16K - 1,
 341                 .flags  = IORESOURCE_MEM,
 342         },
 343         {
 344                 .start = IRQ_EMACINT,
 345                 .end   = IRQ_EMACINT,
 346                 .flags = IORESOURCE_IRQ,
 347         },
 348 };
 349
 350 static struct platform_device dm644x_emac_device = {
 351        .name            = "davinci_emac",
 352        .id              = 1,
 353        .dev = {
 354                .platform_data   = &dm644x_emac_pdata,
 355        },
 356        .num_resources   = ARRAY_SIZE(dm644x_emac_resources),
 357        .resource        = dm644x_emac_resources,
 358 };
 359
 360 static struct resource dm644x_mdio_resources[] = {
 361         {
 362                 .start  = DM644X_EMAC_MDIO_BASE,
 363                 .end    = DM644X_EMAC_MDIO_BASE + SZ_4K - 1,
 364                 .flags  = IORESOURCE_MEM,
 365         },
 366 };
 367
 368 static struct platform_device dm644x_mdio_device = {
 369         .name           = "davinci_mdio",
 370         .id             = 0,
 371         .num_resources  = ARRAY_SIZE(dm644x_mdio_resources),
 372         .resource       = dm644x_mdio_resources,
 373 };
 374
 375 /*
 376  * Device specific mux setup
 377  *
 378  *      soc     description     mux  mode   mode  mux    dbg
 379  *                              reg  offset mask  mode
 380  */
 381 static const struct mux_config dm644x_pins[] = {
 382 #ifdef CONFIG_DAVINCI_MUX
 383 MUX_CFG(DM644X, HDIREN,         0,   16,    1,    1,     true)
 384 MUX_CFG(DM644X, ATAEN,          0,   17,    1,    1,     true)
 385 MUX_CFG(DM644X, ATAEN_DISABLE,  0,   17,    1,    0,     true)
 386
 387 MUX_CFG(DM644X, HPIEN_DISABLE,  0,   29,    1,    0,     true)
 388
 389 MUX_CFG(DM644X, AEAW,           0,   0,     31,   31,    true)
 390 MUX_CFG(DM644X, AEAW0,          0,   0,     1,    0,     true)
 391 MUX_CFG(DM644X, AEAW1,          0,   1,     1,    0,     true)
 392 MUX_CFG(DM644X, AEAW2,          0,   2,     1,    0,     true)
 393 MUX_CFG(DM644X, AEAW3,          0,   3,     1,    0,     true)
 394 MUX_CFG(DM644X, AEAW4,          0,   4,     1,    0,     true)
 395
 396 MUX_CFG(DM644X, MSTK,           1,   9,     1,    0,     false)
 397
 398 MUX_CFG(DM644X, I2C,            1,   7,     1,    1,     false)
 399
 400 MUX_CFG(DM644X, MCBSP,          1,   10,    1,    1,     false)
 401
 402 MUX_CFG(DM644X, UART1,          1,   1,     1,    1,     true)
 403 MUX_CFG(DM644X, UART2,          1,   2,     1,    1,     true)
 404
 405 MUX_CFG(DM644X, PWM0,           1,   4,     1,    1,     false)
 406
 407 MUX_CFG(DM644X, PWM1,           1,   5,     1,    1,     false)
 408
 409 MUX_CFG(DM644X, PWM2,           1,   6,     1,    1,     false)
 410
 411 MUX_CFG(DM644X, VLYNQEN,        0,   15,    1,    1,     false)
 412 MUX_CFG(DM644X, VLSCREN,        0,   14,    1,    1,     false)
 413 MUX_CFG(DM644X, VLYNQWD,        0,   12,    3,    3,     false)
 414
 415 MUX_CFG(DM644X, EMACEN,         0,   31,    1,    1,     true)
 416
 417 MUX_CFG(DM644X, GPIO3V,         0,   31,    1,    0,     true)
 418
 419 MUX_CFG(DM644X, GPIO0,          0,   24,    1,    0,     true)
 420 MUX_CFG(DM644X, GPIO3,          0,   25,    1,    0,     false)
 421 MUX_CFG(DM644X, GPIO43_44,      1,   7,     1,    0,     false)
 422 MUX_CFG(DM644X, GPIO46_47,      0,   22,    1,    0,     true)
 423
 424 MUX_CFG(DM644X, RGB666,         0,   22,    1,    1,     true)
 425
 426 MUX_CFG(DM644X, LOEEN,          0,   24,    1,    1,     true)
 427 MUX_CFG(DM644X, LFLDEN,         0,   25,    1,    1,     false)
 428 #endif
 429 };
 430
 431 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
 432 static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 433         [IRQ_VDINT0]            = 2,
 434         [IRQ_VDINT1]            = 6,
 435         [IRQ_VDINT2]            = 6,
 436         [IRQ_HISTINT]           = 6,
 437         [IRQ_H3AINT]            = 6,
 438         [IRQ_PRVUINT]           = 6,
 439         [IRQ_RSZINT]            = 6,
 440         [7]                     = 7,
 441         [IRQ_VENCINT]           = 6,
 442         [IRQ_ASQINT]            = 6,
 443         [IRQ_IMXINT]            = 6,
 444         [IRQ_VLCDINT]           = 6,
 445         [IRQ_USBINT]            = 4,
 446         [IRQ_EMACINT]           = 4,
 447         [14]                    = 7,
 448         [15]                    = 7,
 449         [IRQ_CCINT0]            = 5,    /* dma */
 450         [IRQ_CCERRINT]          = 5,    /* dma */
 451         [IRQ_TCERRINT0]         = 5,    /* dma */
 452         [IRQ_TCERRINT]          = 5,    /* dma */
 453         [IRQ_PSCIN]             = 7,
 454         [21]                    = 7,
 455         [IRQ_IDE]               = 4,
 456         [23]                    = 7,
 457         [IRQ_MBXINT]            = 7,
 458         [IRQ_MBRINT]            = 7,
 459         [IRQ_MMCINT]            = 7,
 460         [IRQ_SDIOINT]           = 7,
 461         [28]                    = 7,
 462         [IRQ_DDRINT]            = 7,
 463         [IRQ_AEMIFINT]          = 7,
 464         [IRQ_VLQINT]            = 4,
 465         [IRQ_TINT0_TINT12]      = 2,    /* clockevent */
 466         [IRQ_TINT0_TINT34]      = 2,    /* clocksource */
 467         [IRQ_TINT1_TINT12]      = 7,    /* DSP timer */
 468         [IRQ_TINT1_TINT34]      = 7,    /* system tick */
 469         [IRQ_PWMINT0]           = 7,
 470         [IRQ_PWMINT1]           = 7,
 471         [IRQ_PWMINT2]           = 7,
 472         [IRQ_I2C]               = 3,
 473         [IRQ_UARTINT0]          = 3,
 474         [IRQ_UARTINT1]          = 3,
 475         [IRQ_UARTINT2]          = 3,
 476         [IRQ_SPINT0]            = 3,
 477         [IRQ_SPINT1]            = 3,
 478         [45]                    = 7,
 479         [IRQ_DSP2ARM0]          = 4,
 480         [IRQ_DSP2ARM1]          = 4,
 481         [IRQ_GPIO0]             = 7,
 482         [IRQ_GPIO1]             = 7,
 483         [IRQ_GPIO2]             = 7,
 484         [IRQ_GPIO3]             = 7,
 485         [IRQ_GPIO4]             = 7,
 486         [IRQ_GPIO5]             = 7,
 487         [IRQ_GPIO6]             = 7,
 488         [IRQ_GPIO7]             = 7,
 489         [IRQ_GPIOBNK0]          = 7,
 490         [IRQ_GPIOBNK1]          = 7,
 491         [IRQ_GPIOBNK2]          = 7,
 492         [IRQ_GPIOBNK3]          = 7,
 493         [IRQ_GPIOBNK4]          = 7,
 494         [IRQ_COMMTX]            = 7,
 495         [IRQ_COMMRX]            = 7,
 496         [IRQ_EMUINT]            = 7,
 497 };
 498
 499 /*----------------------------------------------------------------------*/
 500
 501 static s8
 502 queue_tc_mapping[][2] = {
 503         /* {event queue no, TC no} */
 504         {0, 0},
 505         {1, 1},
 506         {-1, -1},
 507 };
 508
 509 static s8
 510 queue_priority_mapping[][2] = {
 511         /* {event queue no, Priority} */
 512         {0, 3},
 513         {1, 7},
 514         {-1, -1},
 515 };
 516
 517 static struct edma_soc_info edma_cc0_info = {
 518         .n_channel              = 64,
 519         .n_region               = 4,
 520         .n_slot                 = 128,
 521         .n_tc                   = 2,
 522         .n_cc                   = 1,
 523         .queue_tc_mapping       = queue_tc_mapping,
 524         .queue_priority_mapping = queue_priority_mapping,
 525         .default_queue          = EVENTQ_1,
 526 };
 527
 528 static struct edma_soc_info *dm644x_edma_info[EDMA_MAX_CC] = {
 529         &edma_cc0_info,
 530 };
 531
 532 static struct resource edma_resources[] = {
 533         {
 534                 .name   = "edma_cc0",
 535                 .start  = 0x01c00000,
 536                 .end    = 0x01c00000 + SZ_64K - 1,
 537                 .flags  = IORESOURCE_MEM,
 538         },
 539         {
 540                 .name   = "edma_tc0",
 541                 .start  = 0x01c10000,
 542                 .end    = 0x01c10000 + SZ_1K - 1,
 543                 .flags  = IORESOURCE_MEM,
 544         },
 545         {
 546                 .name   = "edma_tc1",
 547                 .start  = 0x01c10400,
 548                 .end    = 0x01c10400 + SZ_1K - 1,
 549                 .flags  = IORESOURCE_MEM,
 550         },
 551         {
 552                 .name   = "edma0",
 553                 .start  = IRQ_CCINT0,
 554                 .flags  = IORESOURCE_IRQ,
 555         },
 556         {
 557                 .name   = "edma0_err",
 558                 .start  = IRQ_CCERRINT,
 559                 .flags  = IORESOURCE_IRQ,
 560         },
 561         /* not using TC*_ERR */
 562 };
 563
 564 static struct platform_device dm644x_edma_device = {
 565         .name                   = "edma",
 566         .id                     = 0,
 567         .dev.platform_data      = dm644x_edma_info,
 568         .num_resources          = ARRAY_SIZE(edma_resources),
 569         .resource               = edma_resources,
 570 };
 571
 572 /* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
 573 static struct resource dm644x_asp_resources[] = {
 574         {
 575                 .name   = "mpu",
 576                 .start  = DAVINCI_ASP0_BASE,
 577                 .end    = DAVINCI_ASP0_BASE + SZ_8K - 1,
 578                 .flags  = IORESOURCE_MEM,
 579         },
 580         {
 581                 .start  = DAVINCI_DMA_ASP0_TX,
 582                 .end    = DAVINCI_DMA_ASP0_TX,
 583                 .flags  = IORESOURCE_DMA,
 584         },
 585         {
 586                 .start  = DAVINCI_DMA_ASP0_RX,
 587                 .end    = DAVINCI_DMA_ASP0_RX,
 588                 .flags  = IORESOURCE_DMA,
 589         },
 590 };
 591
 592 static struct platform_device dm644x_asp_device = {
 593         .name           = "davinci-mcbsp",
 594         .id             = -1,
 595         .num_resources  = ARRAY_SIZE(dm644x_asp_resources),
 596         .resource       = dm644x_asp_resources,
 597 };
 598
 599 #define DM644X_VPSS_BASE        0x01c73400
 600
 601 static struct resource dm644x_vpss_resources[] = {
 602         {
 603                 /* VPSS Base address */
 604                 .name           = "vpss",
 605                 .start          = DM644X_VPSS_BASE,
 606                 .end            = DM644X_VPSS_BASE + 0xff,
 607                 .flags          = IORESOURCE_MEM,
 608         },
 609 };
 610
 611 static struct platform_device dm644x_vpss_device = {
 612         .name                   = "vpss",
 613         .id                     = -1,
 614         .dev.platform_data      = "dm644x_vpss",
 615         .num_resources          = ARRAY_SIZE(dm644x_vpss_resources),
 616         .resource               = dm644x_vpss_resources,
 617 };
 618
 619 static struct resource dm644x_vpfe_resources[] = {
 620         {
 621                 .start          = IRQ_VDINT0,
 622                 .end            = IRQ_VDINT0,
 623                 .flags          = IORESOURCE_IRQ,
 624         },
 625         {
 626                 .start          = IRQ_VDINT1,
 627                 .end            = IRQ_VDINT1,
 628                 .flags          = IORESOURCE_IRQ,
 629         },
 630 };
 631
 632 static u64 dm644x_video_dma_mask = DMA_BIT_MASK(32);
 633 static struct resource dm644x_ccdc_resource[] = {
 634         /* CCDC Base address */
 635         {
 636                 .start          = 0x01c70400,
 637                 .end            = 0x01c70400 + 0xff,
 638                 .flags          = IORESOURCE_MEM,
 639         },
 640 };
 641
 642 static struct platform_device dm644x_ccdc_dev = {
 643         .name           = "dm644x_ccdc",
 644         .id             = -1,
 645         .num_resources  = ARRAY_SIZE(dm644x_ccdc_resource),
 646         .resource       = dm644x_ccdc_resource,
 647         .dev = {
 648                 .dma_mask               = &dm644x_video_dma_mask,
 649                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 650         },
 651 };
 652
 653 static struct platform_device dm644x_vpfe_dev = {
 654         .name           = CAPTURE_DRV_NAME,
 655         .id             = -1,
 656         .num_resources  = ARRAY_SIZE(dm644x_vpfe_resources),
 657         .resource       = dm644x_vpfe_resources,
 658         .dev = {
 659                 .dma_mask               = &dm644x_video_dma_mask,
 660                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 661         },
 662 };
 663
 664 #define DM644X_OSD_BASE         0x01c72600
 665
 666 static struct resource dm644x_osd_resources[] = {
 667         {
 668                 .start  = DM644X_OSD_BASE,
 669                 .end    = DM644X_OSD_BASE + 0x1ff,
 670                 .flags  = IORESOURCE_MEM,
 671         },
 672 };
 673
 674 static struct platform_device dm644x_osd_dev = {
 675         .name           = DM644X_VPBE_OSD_SUBDEV_NAME,
 676         .id             = -1,
 677         .num_resources  = ARRAY_SIZE(dm644x_osd_resources),
 678         .resource       = dm644x_osd_resources,
 679         .dev            = {
 680                 .dma_mask               = &dm644x_video_dma_mask,
 681                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 682         },
 683 };
 684
 685 #define DM644X_VENC_BASE                0x01c72400
 686
 687 static struct resource dm644x_venc_resources[] = {
 688         {
 689                 .start  = DM644X_VENC_BASE,
 690                 .end    = DM644X_VENC_BASE + 0x17f,
 691                 .flags  = IORESOURCE_MEM,
 692         },
 693 };
 694
 695 #define DM644X_VPSS_MUXSEL_PLL2_MODE          BIT(0)
 696 #define DM644X_VPSS_MUXSEL_VPBECLK_MODE       BIT(1)
 697 #define DM644X_VPSS_VENCLKEN                  BIT(3)
 698 #define DM644X_VPSS_DACCLKEN                  BIT(4)
 699
 700 static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type,
 701                                    unsigned int pclock)
 702 {
 703         int ret = 0;
 704         u32 v = DM644X_VPSS_VENCLKEN;
 705
 706         switch (type) {
 707         case VPBE_ENC_STD:
 708                 v |= DM644X_VPSS_DACCLKEN;
 709                 writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 710                 break;
 711         case VPBE_ENC_DV_TIMINGS:
 712                 if (pclock <= 27000000) {
 713                         v |= DM644X_VPSS_DACCLKEN;
 714                         writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 715                 } else {
 716                         /*
 717                          * For HD, use external clock source since
 718                          * HD requires higher clock rate
 719                          */
 720                         v |= DM644X_VPSS_MUXSEL_VPBECLK_MODE;
 721                         writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 722                 }
 723                 break;
 724         default:
 725                 ret  = -EINVAL;
 726         }
 727
 728         return ret;
 729 }
 730
 731 static struct resource dm644x_v4l2_disp_resources[] = {
 732         {
 733                 .start  = IRQ_VENCINT,
 734                 .end    = IRQ_VENCINT,
 735                 .flags  = IORESOURCE_IRQ,
 736         },
 737 };
 738
 739 static struct platform_device dm644x_vpbe_display = {
 740         .name           = "vpbe-v4l2",
 741         .id             = -1,
 742         .num_resources  = ARRAY_SIZE(dm644x_v4l2_disp_resources),
 743         .resource       = dm644x_v4l2_disp_resources,
 744         .dev            = {
 745                 .dma_mask               = &dm644x_video_dma_mask,
 746                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 747         },
 748 };
 749
 750 static struct venc_platform_data dm644x_venc_pdata = {
 751         .setup_clock    = dm644x_venc_setup_clock,
 752 };
 753
 754 static struct platform_device dm644x_venc_dev = {
 755         .name           = DM644X_VPBE_VENC_SUBDEV_NAME,
 756         .id             = -1,
 757         .num_resources  = ARRAY_SIZE(dm644x_venc_resources),
 758         .resource       = dm644x_venc_resources,
 759         .dev            = {
 760                 .dma_mask               = &dm644x_video_dma_mask,
 761                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 762                 .platform_data          = &dm644x_venc_pdata,
 763         },
 764 };
 765
 766 static struct platform_device dm644x_vpbe_dev = {
 767         .name           = "vpbe_controller",
 768         .id             = -1,
 769         .dev            = {
 770                 .dma_mask               = &dm644x_video_dma_mask,
 771                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 772         },
 773 };
 774
 775 static struct resource dm644_gpio_resources[] = {
 776         {       /* registers */
 777                 .start  = DAVINCI_GPIO_BASE,
 778                 .end    = DAVINCI_GPIO_BASE + SZ_4K - 1,
 779                 .flags  = IORESOURCE_MEM,
 780         },
 781         {       /* interrupt */
 782                 .start  = IRQ_GPIOBNK0,
 783                 .end    = IRQ_GPIOBNK4,
 784                 .flags  = IORESOURCE_IRQ,
 785         },
 786 };
 787
 788 static struct davinci_gpio_platform_data dm644_gpio_platform_data = {
 789         .ngpio          = 71,
 790 };
 791
 792 int __init dm644x_gpio_register(void)
 793 {
 794         return davinci_gpio_register(dm644_gpio_resources,
 795                                      ARRAY_SIZE(dm644_gpio_resources),
 796                                      &dm644_gpio_platform_data);
 797 }
 798 /*----------------------------------------------------------------------*/
 799
 800 static struct map_desc dm644x_io_desc[] = {
 801         {
 802                 .virtual        = IO_VIRT,
 803                 .pfn            = __phys_to_pfn(IO_PHYS),
 804                 .length         = IO_SIZE,
 805                 .type           = MT_DEVICE
 806         },
 807 };
 808
 809 /* Contents of JTAG ID register used to identify exact cpu type */
 810 static struct davinci_id dm644x_ids[] = {
 811         {
 812                 .variant        = 0x0,
 813                 .part_no        = 0xb700,
 814                 .manufacturer   = 0x017,
 815                 .cpu_id         = DAVINCI_CPU_ID_DM6446,
 816                 .name           = "dm6446",
 817         },
 818         {
 819                 .variant        = 0x1,
 820                 .part_no        = 0xb700,
 821                 .manufacturer   = 0x017,
 822                 .cpu_id         = DAVINCI_CPU_ID_DM6446,
 823                 .name           = "dm6446a",
 824         },
 825 };
 826
 827 static u32 dm644x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
 828
 829 /*
 830  * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
 831  * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
 832  * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
 833  * T1_TOP: Timer 1, top   :  <unused>
 834  */
 835 static struct davinci_timer_info dm644x_timer_info = {
 836         .timers         = davinci_timer_instance,
 837         .clockevent_id  = T0_BOT,
 838         .clocksource_id = T0_TOP,
 839 };
 840
 841 static struct plat_serial8250_port dm644x_serial0_platform_data[] = {
 842         {
 843                 .mapbase        = DAVINCI_UART0_BASE,
 844                 .irq            = IRQ_UARTINT0,
 845                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 846                                   UPF_IOREMAP,
 847                 .iotype         = UPIO_MEM,
 848                 .regshift       = 2,
 849         },
 850         {
 851                 .flags  = 0,
 852         }
 853 };
 854 static struct plat_serial8250_port dm644x_serial1_platform_data[] = {
 855         {
 856                 .mapbase        = DAVINCI_UART1_BASE,
 857                 .irq            = IRQ_UARTINT1,
 858                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 859                                   UPF_IOREMAP,
 860                 .iotype         = UPIO_MEM,
 861                 .regshift       = 2,
 862         },
 863         {
 864                 .flags  = 0,
 865         }
 866 };
 867 static struct plat_serial8250_port dm644x_serial2_platform_data[] = {
 868         {
 869                 .mapbase        = DAVINCI_UART2_BASE,
 870                 .irq            = IRQ_UARTINT2,
 871                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 872                                   UPF_IOREMAP,
 873                 .iotype         = UPIO_MEM,
 874                 .regshift       = 2,
 875         },
 876         {
 877                 .flags  = 0,
 878         }
 879 };
 880
 881 struct platform_device dm644x_serial_device[] = {
 882         {
 883                 .name                   = "serial8250",
 884                 .id                     = PLAT8250_DEV_PLATFORM,
 885                 .dev                    = {
 886                         .platform_data  = dm644x_serial0_platform_data,
 887                 }
 888         },
 889         {
 890                 .name                   = "serial8250",
 891                 .id                     = PLAT8250_DEV_PLATFORM1,
 892                 .dev                    = {
 893                         .platform_data  = dm644x_serial1_platform_data,
 894                 }
 895         },
 896         {
 897                 .name                   = "serial8250",
 898                 .id                     = PLAT8250_DEV_PLATFORM2,
 899                 .dev                    = {
 900                         .platform_data  = dm644x_serial2_platform_data,
 901                 }
 902         },
 903         {
 904         }
 905 };
 906
 907 static struct davinci_soc_info davinci_soc_info_dm644x = {
 908         .io_desc                = dm644x_io_desc,
 909         .io_desc_num            = ARRAY_SIZE(dm644x_io_desc),
 910         .jtag_id_reg            = 0x01c40028,
 911         .ids                    = dm644x_ids,
 912         .ids_num                = ARRAY_SIZE(dm644x_ids),
 913         .cpu_clks               = dm644x_clks,
 914         .psc_bases              = dm644x_psc_bases,
 915         .psc_bases_num          = ARRAY_SIZE(dm644x_psc_bases),
 916         .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
 917         .pinmux_pins            = dm644x_pins,
 918         .pinmux_pins_num        = ARRAY_SIZE(dm644x_pins),
 919         .intc_base              = DAVINCI_ARM_INTC_BASE,
 920         .intc_type              = DAVINCI_INTC_TYPE_AINTC,
 921         .intc_irq_prios         = dm644x_default_priorities,
 922         .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
 923         .timer_info             = &dm644x_timer_info,
 924         .emac_pdata             = &dm644x_emac_pdata,
 925         .sram_dma               = 0x00008000,
 926         .sram_len               = SZ_16K,
 927 };
 928
 929 void __init dm644x_init_asp(struct snd_platform_data *pdata)
 930 {
 931         davinci_cfg_reg(DM644X_MCBSP);
 932         dm644x_asp_device.dev.platform_data = pdata;
 933         platform_device_register(&dm644x_asp_device);
 934 }
 935
 936 void __init dm644x_init(void)
 937 {
 938         davinci_common_init(&davinci_soc_info_dm644x);
 939         davinci_map_sysmod();
 940 }
 941
 942 int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,
 943                                 struct vpbe_config *vpbe_cfg)
 944 {
 945         if (vpfe_cfg || vpbe_cfg)
 946                 platform_device_register(&dm644x_vpss_device);
 947
 948         if (vpfe_cfg) {
 949                 dm644x_vpfe_dev.dev.platform_data = vpfe_cfg;
 950                 platform_device_register(&dm644x_ccdc_dev);
 951                 platform_device_register(&dm644x_vpfe_dev);
 952         }
 953
 954         if (vpbe_cfg) {
 955                 dm644x_vpbe_dev.dev.platform_data = vpbe_cfg;
 956                 platform_device_register(&dm644x_osd_dev);
 957                 platform_device_register(&dm644x_venc_dev);
 958                 platform_device_register(&dm644x_vpbe_dev);
 959                 platform_device_register(&dm644x_vpbe_display);
 960         }
 961
 962         return 0;
 963 }
 964
 965 static int __init dm644x_init_devices(void)
 966 {
 967         int ret = 0;
 968
 969         if (!cpu_is_davinci_dm644x())
 970                 return 0;
 971
 972         platform_device_register(&dm644x_edma_device);
 973
 974         platform_device_register(&dm644x_mdio_device);
 975         platform_device_register(&dm644x_emac_device);
 976
 977         ret = davinci_init_wdt();
 978         if (ret)
 979                 pr_warn("%s: watchdog init failed: %d\n", __func__, ret);
 980
 981         return ret;
 982 }
 983 postcore_initcall(dm644x_init_devices);