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
  16 #include <asm/mach/map.h>
  17
  18 #include <mach/cputype.h>
  19 #include <mach/edma.h>
  20 #include <mach/irqs.h>
  21 #include <mach/psc.h>
  22 #include <mach/mux.h>
  23 #include <mach/time.h>
  24 #include <mach/serial.h>
  25 #include <mach/common.h>
  26 #include <mach/gpio-davinci.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(NULL, "uart0", &uart0_clk),
 307         CLK(NULL, "uart1", &uart1_clk),
 308         CLK(NULL, "uart2", &uart2_clk),
 309         CLK("davinci_emac.1", NULL, &emac_clk),
 310         CLK("i2c_davinci.1", NULL, &i2c_clk),
 311         CLK("palm_bk3710", NULL, &ide_clk),
 312         CLK("davinci-mcbsp", NULL, &asp_clk),
 313         CLK("davinci_mmc.0", NULL, &mmcsd_clk),
 314         CLK(NULL, "spi", &spi_clk),
 315         CLK(NULL, "gpio", &gpio_clk),
 316         CLK(NULL, "usb", &usb_clk),
 317         CLK(NULL, "vlynq", &vlynq_clk),
 318         CLK(NULL, "aemif", &aemif_clk),
 319         CLK(NULL, "pwm0", &pwm0_clk),
 320         CLK(NULL, "pwm1", &pwm1_clk),
 321         CLK(NULL, "pwm2", &pwm2_clk),
 322         CLK(NULL, "timer0", &timer0_clk),
 323         CLK(NULL, "timer1", &timer1_clk),
 324         CLK("watchdog", NULL, &timer2_clk),
 325         CLK(NULL, NULL, NULL),
 326 };
 327
 328 static struct emac_platform_data dm644x_emac_pdata = {
 329         .ctrl_reg_offset        = DM644X_EMAC_CNTRL_OFFSET,
 330         .ctrl_mod_reg_offset    = DM644X_EMAC_CNTRL_MOD_OFFSET,
 331         .ctrl_ram_offset        = DM644X_EMAC_CNTRL_RAM_OFFSET,
 332         .ctrl_ram_size          = DM644X_EMAC_CNTRL_RAM_SIZE,
 333         .version                = EMAC_VERSION_1,
 334 };
 335
 336 static struct resource dm644x_emac_resources[] = {
 337         {
 338                 .start  = DM644X_EMAC_BASE,
 339                 .end    = DM644X_EMAC_BASE + SZ_16K - 1,
 340                 .flags  = IORESOURCE_MEM,
 341         },
 342         {
 343                 .start = IRQ_EMACINT,
 344                 .end   = IRQ_EMACINT,
 345                 .flags = IORESOURCE_IRQ,
 346         },
 347 };
 348
 349 static struct platform_device dm644x_emac_device = {
 350        .name            = "davinci_emac",
 351        .id              = 1,
 352        .dev = {
 353                .platform_data   = &dm644x_emac_pdata,
 354        },
 355        .num_resources   = ARRAY_SIZE(dm644x_emac_resources),
 356        .resource        = dm644x_emac_resources,
 357 };
 358
 359 static struct resource dm644x_mdio_resources[] = {
 360         {
 361                 .start  = DM644X_EMAC_MDIO_BASE,
 362                 .end    = DM644X_EMAC_MDIO_BASE + SZ_4K - 1,
 363                 .flags  = IORESOURCE_MEM,
 364         },
 365 };
 366
 367 static struct platform_device dm644x_mdio_device = {
 368         .name           = "davinci_mdio",
 369         .id             = 0,
 370         .num_resources  = ARRAY_SIZE(dm644x_mdio_resources),
 371         .resource       = dm644x_mdio_resources,
 372 };
 373
 374 /*
 375  * Device specific mux setup
 376  *
 377  *      soc     description     mux  mode   mode  mux    dbg
 378  *                              reg  offset mask  mode
 379  */
 380 static const struct mux_config dm644x_pins[] = {
 381 #ifdef CONFIG_DAVINCI_MUX
 382 MUX_CFG(DM644X, HDIREN,         0,   16,    1,    1,     true)
 383 MUX_CFG(DM644X, ATAEN,          0,   17,    1,    1,     true)
 384 MUX_CFG(DM644X, ATAEN_DISABLE,  0,   17,    1,    0,     true)
 385
 386 MUX_CFG(DM644X, HPIEN_DISABLE,  0,   29,    1,    0,     true)
 387
 388 MUX_CFG(DM644X, AEAW,           0,   0,     31,   31,    true)
 389 MUX_CFG(DM644X, AEAW0,          0,   0,     1,    0,     true)
 390 MUX_CFG(DM644X, AEAW1,          0,   1,     1,    0,     true)
 391 MUX_CFG(DM644X, AEAW2,          0,   2,     1,    0,     true)
 392 MUX_CFG(DM644X, AEAW3,          0,   3,     1,    0,     true)
 393 MUX_CFG(DM644X, AEAW4,          0,   4,     1,    0,     true)
 394
 395 MUX_CFG(DM644X, MSTK,           1,   9,     1,    0,     false)
 396
 397 MUX_CFG(DM644X, I2C,            1,   7,     1,    1,     false)
 398
 399 MUX_CFG(DM644X, MCBSP,          1,   10,    1,    1,     false)
 400
 401 MUX_CFG(DM644X, UART1,          1,   1,     1,    1,     true)
 402 MUX_CFG(DM644X, UART2,          1,   2,     1,    1,     true)
 403
 404 MUX_CFG(DM644X, PWM0,           1,   4,     1,    1,     false)
 405
 406 MUX_CFG(DM644X, PWM1,           1,   5,     1,    1,     false)
 407
 408 MUX_CFG(DM644X, PWM2,           1,   6,     1,    1,     false)
 409
 410 MUX_CFG(DM644X, VLYNQEN,        0,   15,    1,    1,     false)
 411 MUX_CFG(DM644X, VLSCREN,        0,   14,    1,    1,     false)
 412 MUX_CFG(DM644X, VLYNQWD,        0,   12,    3,    3,     false)
 413
 414 MUX_CFG(DM644X, EMACEN,         0,   31,    1,    1,     true)
 415
 416 MUX_CFG(DM644X, GPIO3V,         0,   31,    1,    0,     true)
 417
 418 MUX_CFG(DM644X, GPIO0,          0,   24,    1,    0,     true)
 419 MUX_CFG(DM644X, GPIO3,          0,   25,    1,    0,     false)
 420 MUX_CFG(DM644X, GPIO43_44,      1,   7,     1,    0,     false)
 421 MUX_CFG(DM644X, GPIO46_47,      0,   22,    1,    0,     true)
 422
 423 MUX_CFG(DM644X, RGB666,         0,   22,    1,    1,     true)
 424
 425 MUX_CFG(DM644X, LOEEN,          0,   24,    1,    1,     true)
 426 MUX_CFG(DM644X, LFLDEN,         0,   25,    1,    1,     false)
 427 #endif
 428 };
 429
 430 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
 431 static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 432         [IRQ_VDINT0]            = 2,
 433         [IRQ_VDINT1]            = 6,
 434         [IRQ_VDINT2]            = 6,
 435         [IRQ_HISTINT]           = 6,
 436         [IRQ_H3AINT]            = 6,
 437         [IRQ_PRVUINT]           = 6,
 438         [IRQ_RSZINT]            = 6,
 439         [7]                     = 7,
 440         [IRQ_VENCINT]           = 6,
 441         [IRQ_ASQINT]            = 6,
 442         [IRQ_IMXINT]            = 6,
 443         [IRQ_VLCDINT]           = 6,
 444         [IRQ_USBINT]            = 4,
 445         [IRQ_EMACINT]           = 4,
 446         [14]                    = 7,
 447         [15]                    = 7,
 448         [IRQ_CCINT0]            = 5,    /* dma */
 449         [IRQ_CCERRINT]          = 5,    /* dma */
 450         [IRQ_TCERRINT0]         = 5,    /* dma */
 451         [IRQ_TCERRINT]          = 5,    /* dma */
 452         [IRQ_PSCIN]             = 7,
 453         [21]                    = 7,
 454         [IRQ_IDE]               = 4,
 455         [23]                    = 7,
 456         [IRQ_MBXINT]            = 7,
 457         [IRQ_MBRINT]            = 7,
 458         [IRQ_MMCINT]            = 7,
 459         [IRQ_SDIOINT]           = 7,
 460         [28]                    = 7,
 461         [IRQ_DDRINT]            = 7,
 462         [IRQ_AEMIFINT]          = 7,
 463         [IRQ_VLQINT]            = 4,
 464         [IRQ_TINT0_TINT12]      = 2,    /* clockevent */
 465         [IRQ_TINT0_TINT34]      = 2,    /* clocksource */
 466         [IRQ_TINT1_TINT12]      = 7,    /* DSP timer */
 467         [IRQ_TINT1_TINT34]      = 7,    /* system tick */
 468         [IRQ_PWMINT0]           = 7,
 469         [IRQ_PWMINT1]           = 7,
 470         [IRQ_PWMINT2]           = 7,
 471         [IRQ_I2C]               = 3,
 472         [IRQ_UARTINT0]          = 3,
 473         [IRQ_UARTINT1]          = 3,
 474         [IRQ_UARTINT2]          = 3,
 475         [IRQ_SPINT0]            = 3,
 476         [IRQ_SPINT1]            = 3,
 477         [45]                    = 7,
 478         [IRQ_DSP2ARM0]          = 4,
 479         [IRQ_DSP2ARM1]          = 4,
 480         [IRQ_GPIO0]             = 7,
 481         [IRQ_GPIO1]             = 7,
 482         [IRQ_GPIO2]             = 7,
 483         [IRQ_GPIO3]             = 7,
 484         [IRQ_GPIO4]             = 7,
 485         [IRQ_GPIO5]             = 7,
 486         [IRQ_GPIO6]             = 7,
 487         [IRQ_GPIO7]             = 7,
 488         [IRQ_GPIOBNK0]          = 7,
 489         [IRQ_GPIOBNK1]          = 7,
 490         [IRQ_GPIOBNK2]          = 7,
 491         [IRQ_GPIOBNK3]          = 7,
 492         [IRQ_GPIOBNK4]          = 7,
 493         [IRQ_COMMTX]            = 7,
 494         [IRQ_COMMRX]            = 7,
 495         [IRQ_EMUINT]            = 7,
 496 };
 497
 498 /*----------------------------------------------------------------------*/
 499
 500 static const s8
 501 queue_tc_mapping[][2] = {
 502         /* {event queue no, TC no} */
 503         {0, 0},
 504         {1, 1},
 505         {-1, -1},
 506 };
 507
 508 static const s8
 509 queue_priority_mapping[][2] = {
 510         /* {event queue no, Priority} */
 511         {0, 3},
 512         {1, 7},
 513         {-1, -1},
 514 };
 515
 516 static struct edma_soc_info edma_cc0_info = {
 517         .n_channel              = 64,
 518         .n_region               = 4,
 519         .n_slot                 = 128,
 520         .n_tc                   = 2,
 521         .n_cc                   = 1,
 522         .queue_tc_mapping       = queue_tc_mapping,
 523         .queue_priority_mapping = queue_priority_mapping,
 524         .default_queue          = EVENTQ_1,
 525 };
 526
 527 static struct edma_soc_info *dm644x_edma_info[EDMA_MAX_CC] = {
 528         &edma_cc0_info,
 529 };
 530
 531 static struct resource edma_resources[] = {
 532         {
 533                 .name   = "edma_cc0",
 534                 .start  = 0x01c00000,
 535                 .end    = 0x01c00000 + SZ_64K - 1,
 536                 .flags  = IORESOURCE_MEM,
 537         },
 538         {
 539                 .name   = "edma_tc0",
 540                 .start  = 0x01c10000,
 541                 .end    = 0x01c10000 + SZ_1K - 1,
 542                 .flags  = IORESOURCE_MEM,
 543         },
 544         {
 545                 .name   = "edma_tc1",
 546                 .start  = 0x01c10400,
 547                 .end    = 0x01c10400 + SZ_1K - 1,
 548                 .flags  = IORESOURCE_MEM,
 549         },
 550         {
 551                 .name   = "edma0",
 552                 .start  = IRQ_CCINT0,
 553                 .flags  = IORESOURCE_IRQ,
 554         },
 555         {
 556                 .name   = "edma0_err",
 557                 .start  = IRQ_CCERRINT,
 558                 .flags  = IORESOURCE_IRQ,
 559         },
 560         /* not using TC*_ERR */
 561 };
 562
 563 static struct platform_device dm644x_edma_device = {
 564         .name                   = "edma",
 565         .id                     = 0,
 566         .dev.platform_data      = dm644x_edma_info,
 567         .num_resources          = ARRAY_SIZE(edma_resources),
 568         .resource               = edma_resources,
 569 };
 570
 571 /* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
 572 static struct resource dm644x_asp_resources[] = {
 573         {
 574                 .start  = DAVINCI_ASP0_BASE,
 575                 .end    = DAVINCI_ASP0_BASE + SZ_8K - 1,
 576                 .flags  = IORESOURCE_MEM,
 577         },
 578         {
 579                 .start  = DAVINCI_DMA_ASP0_TX,
 580                 .end    = DAVINCI_DMA_ASP0_TX,
 581                 .flags  = IORESOURCE_DMA,
 582         },
 583         {
 584                 .start  = DAVINCI_DMA_ASP0_RX,
 585                 .end    = DAVINCI_DMA_ASP0_RX,
 586                 .flags  = IORESOURCE_DMA,
 587         },
 588 };
 589
 590 static struct platform_device dm644x_asp_device = {
 591         .name           = "davinci-mcbsp",
 592         .id             = -1,
 593         .num_resources  = ARRAY_SIZE(dm644x_asp_resources),
 594         .resource       = dm644x_asp_resources,
 595 };
 596
 597 #define DM644X_VPSS_BASE        0x01c73400
 598
 599 static struct resource dm644x_vpss_resources[] = {
 600         {
 601                 /* VPSS Base address */
 602                 .name           = "vpss",
 603                 .start          = DM644X_VPSS_BASE,
 604                 .end            = DM644X_VPSS_BASE + 0xff,
 605                 .flags          = IORESOURCE_MEM,
 606         },
 607 };
 608
 609 static struct platform_device dm644x_vpss_device = {
 610         .name                   = "vpss",
 611         .id                     = -1,
 612         .dev.platform_data      = "dm644x_vpss",
 613         .num_resources          = ARRAY_SIZE(dm644x_vpss_resources),
 614         .resource               = dm644x_vpss_resources,
 615 };
 616
 617 static struct resource dm644x_vpfe_resources[] = {
 618         {
 619                 .start          = IRQ_VDINT0,
 620                 .end            = IRQ_VDINT0,
 621                 .flags          = IORESOURCE_IRQ,
 622         },
 623         {
 624                 .start          = IRQ_VDINT1,
 625                 .end            = IRQ_VDINT1,
 626                 .flags          = IORESOURCE_IRQ,
 627         },
 628 };
 629
 630 static u64 dm644x_video_dma_mask = DMA_BIT_MASK(32);
 631 static struct resource dm644x_ccdc_resource[] = {
 632         /* CCDC Base address */
 633         {
 634                 .start          = 0x01c70400,
 635                 .end            = 0x01c70400 + 0xff,
 636                 .flags          = IORESOURCE_MEM,
 637         },
 638 };
 639
 640 static struct platform_device dm644x_ccdc_dev = {
 641         .name           = "dm644x_ccdc",
 642         .id             = -1,
 643         .num_resources  = ARRAY_SIZE(dm644x_ccdc_resource),
 644         .resource       = dm644x_ccdc_resource,
 645         .dev = {
 646                 .dma_mask               = &dm644x_video_dma_mask,
 647                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 648         },
 649 };
 650
 651 static struct platform_device dm644x_vpfe_dev = {
 652         .name           = CAPTURE_DRV_NAME,
 653         .id             = -1,
 654         .num_resources  = ARRAY_SIZE(dm644x_vpfe_resources),
 655         .resource       = dm644x_vpfe_resources,
 656         .dev = {
 657                 .dma_mask               = &dm644x_video_dma_mask,
 658                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 659         },
 660 };
 661
 662 #define DM644X_OSD_BASE         0x01c72600
 663
 664 static struct resource dm644x_osd_resources[] = {
 665         {
 666                 .start  = DM644X_OSD_BASE,
 667                 .end    = DM644X_OSD_BASE + 0x1ff,
 668                 .flags  = IORESOURCE_MEM,
 669         },
 670 };
 671
 672 static struct platform_device dm644x_osd_dev = {
 673         .name           = DM644X_VPBE_OSD_SUBDEV_NAME,
 674         .id             = -1,
 675         .num_resources  = ARRAY_SIZE(dm644x_osd_resources),
 676         .resource       = dm644x_osd_resources,
 677         .dev            = {
 678                 .dma_mask               = &dm644x_video_dma_mask,
 679                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 680         },
 681 };
 682
 683 #define DM644X_VENC_BASE                0x01c72400
 684
 685 static struct resource dm644x_venc_resources[] = {
 686         {
 687                 .start  = DM644X_VENC_BASE,
 688                 .end    = DM644X_VENC_BASE + 0x17f,
 689                 .flags  = IORESOURCE_MEM,
 690         },
 691 };
 692
 693 #define DM644X_VPSS_MUXSEL_PLL2_MODE          BIT(0)
 694 #define DM644X_VPSS_MUXSEL_VPBECLK_MODE       BIT(1)
 695 #define DM644X_VPSS_VENCLKEN                  BIT(3)
 696 #define DM644X_VPSS_DACCLKEN                  BIT(4)
 697
 698 static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type,
 699                                    unsigned int pclock)
 700 {
 701         int ret = 0;
 702         u32 v = DM644X_VPSS_VENCLKEN;
 703
 704         switch (type) {
 705         case VPBE_ENC_STD:
 706                 v |= DM644X_VPSS_DACCLKEN;
 707                 writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 708                 break;
 709         case VPBE_ENC_DV_TIMINGS:
 710                 if (pclock <= 27000000) {
 711                         v |= DM644X_VPSS_DACCLKEN;
 712                         writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 713                 } else {
 714                         /*
 715                          * For HD, use external clock source since
 716                          * HD requires higher clock rate
 717                          */
 718                         v |= DM644X_VPSS_MUXSEL_VPBECLK_MODE;
 719                         writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 720                 }
 721                 break;
 722         default:
 723                 ret  = -EINVAL;
 724         }
 725
 726         return ret;
 727 }
 728
 729 static struct resource dm644x_v4l2_disp_resources[] = {
 730         {
 731                 .start  = IRQ_VENCINT,
 732                 .end    = IRQ_VENCINT,
 733                 .flags  = IORESOURCE_IRQ,
 734         },
 735 };
 736
 737 static struct platform_device dm644x_vpbe_display = {
 738         .name           = "vpbe-v4l2",
 739         .id             = -1,
 740         .num_resources  = ARRAY_SIZE(dm644x_v4l2_disp_resources),
 741         .resource       = dm644x_v4l2_disp_resources,
 742         .dev            = {
 743                 .dma_mask               = &dm644x_video_dma_mask,
 744                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 745         },
 746 };
 747
 748 static struct venc_platform_data dm644x_venc_pdata = {
 749         .setup_clock    = dm644x_venc_setup_clock,
 750 };
 751
 752 static struct platform_device dm644x_venc_dev = {
 753         .name           = DM644X_VPBE_VENC_SUBDEV_NAME,
 754         .id             = -1,
 755         .num_resources  = ARRAY_SIZE(dm644x_venc_resources),
 756         .resource       = dm644x_venc_resources,
 757         .dev            = {
 758                 .dma_mask               = &dm644x_video_dma_mask,
 759                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 760                 .platform_data          = &dm644x_venc_pdata,
 761         },
 762 };
 763
 764 static struct platform_device dm644x_vpbe_dev = {
 765         .name           = "vpbe_controller",
 766         .id             = -1,
 767         .dev            = {
 768                 .dma_mask               = &dm644x_video_dma_mask,
 769                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 770         },
 771 };
 772
 773 /*----------------------------------------------------------------------*/
 774
 775 static struct map_desc dm644x_io_desc[] = {
 776         {
 777                 .virtual        = IO_VIRT,
 778                 .pfn            = __phys_to_pfn(IO_PHYS),
 779                 .length         = IO_SIZE,
 780                 .type           = MT_DEVICE
 781         },
 782 };
 783
 784 /* Contents of JTAG ID register used to identify exact cpu type */
 785 static struct davinci_id dm644x_ids[] = {
 786         {
 787                 .variant        = 0x0,
 788                 .part_no        = 0xb700,
 789                 .manufacturer   = 0x017,
 790                 .cpu_id         = DAVINCI_CPU_ID_DM6446,
 791                 .name           = "dm6446",
 792         },
 793         {
 794                 .variant        = 0x1,
 795                 .part_no        = 0xb700,
 796                 .manufacturer   = 0x017,
 797                 .cpu_id         = DAVINCI_CPU_ID_DM6446,
 798                 .name           = "dm6446a",
 799         },
 800 };
 801
 802 static u32 dm644x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
 803
 804 /*
 805  * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
 806  * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
 807  * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
 808  * T1_TOP: Timer 1, top   :  <unused>
 809  */
 810 static struct davinci_timer_info dm644x_timer_info = {
 811         .timers         = davinci_timer_instance,
 812         .clockevent_id  = T0_BOT,
 813         .clocksource_id = T0_TOP,
 814 };
 815
 816 static struct plat_serial8250_port dm644x_serial_platform_data[] = {
 817         {
 818                 .mapbase        = DAVINCI_UART0_BASE,
 819                 .irq            = IRQ_UARTINT0,
 820                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 821                                   UPF_IOREMAP,
 822                 .iotype         = UPIO_MEM,
 823                 .regshift       = 2,
 824         },
 825         {
 826                 .mapbase        = DAVINCI_UART1_BASE,
 827                 .irq            = IRQ_UARTINT1,
 828                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 829                                   UPF_IOREMAP,
 830                 .iotype         = UPIO_MEM,
 831                 .regshift       = 2,
 832         },
 833         {
 834                 .mapbase        = DAVINCI_UART2_BASE,
 835                 .irq            = IRQ_UARTINT2,
 836                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 837                                   UPF_IOREMAP,
 838                 .iotype         = UPIO_MEM,
 839                 .regshift       = 2,
 840         },
 841         {
 842                 .flags          = 0
 843         },
 844 };
 845
 846 static struct platform_device dm644x_serial_device = {
 847         .name                   = "serial8250",
 848         .id                     = PLAT8250_DEV_PLATFORM,
 849         .dev                    = {
 850                 .platform_data  = dm644x_serial_platform_data,
 851         },
 852 };
 853
 854 static struct davinci_soc_info davinci_soc_info_dm644x = {
 855         .io_desc                = dm644x_io_desc,
 856         .io_desc_num            = ARRAY_SIZE(dm644x_io_desc),
 857         .jtag_id_reg            = 0x01c40028,
 858         .ids                    = dm644x_ids,
 859         .ids_num                = ARRAY_SIZE(dm644x_ids),
 860         .cpu_clks               = dm644x_clks,
 861         .psc_bases              = dm644x_psc_bases,
 862         .psc_bases_num          = ARRAY_SIZE(dm644x_psc_bases),
 863         .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
 864         .pinmux_pins            = dm644x_pins,
 865         .pinmux_pins_num        = ARRAY_SIZE(dm644x_pins),
 866         .intc_base              = DAVINCI_ARM_INTC_BASE,
 867         .intc_type              = DAVINCI_INTC_TYPE_AINTC,
 868         .intc_irq_prios         = dm644x_default_priorities,
 869         .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
 870         .timer_info             = &dm644x_timer_info,
 871         .gpio_type              = GPIO_TYPE_DAVINCI,
 872         .gpio_base              = DAVINCI_GPIO_BASE,
 873         .gpio_num               = 71,
 874         .gpio_irq               = IRQ_GPIOBNK0,
 875         .serial_dev             = &dm644x_serial_device,
 876         .emac_pdata             = &dm644x_emac_pdata,
 877         .sram_dma               = 0x00008000,
 878         .sram_len               = SZ_16K,
 879 };
 880
 881 void __init dm644x_init_asp(struct snd_platform_data *pdata)
 882 {
 883         davinci_cfg_reg(DM644X_MCBSP);
 884         dm644x_asp_device.dev.platform_data = pdata;
 885         platform_device_register(&dm644x_asp_device);
 886 }
 887
 888 void __init dm644x_init(void)
 889 {
 890         davinci_common_init(&davinci_soc_info_dm644x);
 891         davinci_map_sysmod();
 892 }
 893
 894 int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,
 895                                 struct vpbe_config *vpbe_cfg)
 896 {
 897         if (vpfe_cfg || vpbe_cfg)
 898                 platform_device_register(&dm644x_vpss_device);
 899
 900         if (vpfe_cfg) {
 901                 dm644x_vpfe_dev.dev.platform_data = vpfe_cfg;
 902                 platform_device_register(&dm644x_ccdc_dev);
 903                 platform_device_register(&dm644x_vpfe_dev);
 904         }
 905
 906         if (vpbe_cfg) {
 907                 dm644x_vpbe_dev.dev.platform_data = vpbe_cfg;
 908                 platform_device_register(&dm644x_osd_dev);
 909                 platform_device_register(&dm644x_venc_dev);
 910                 platform_device_register(&dm644x_vpbe_dev);
 911                 platform_device_register(&dm644x_vpbe_display);
 912         }
 913
 914         return 0;
 915 }
 916
 917 static int __init dm644x_init_devices(void)
 918 {
 919         if (!cpu_is_davinci_dm644x())
 920                 return 0;
 921
 922         platform_device_register(&dm644x_edma_device);
 923
 924         platform_device_register(&dm644x_mdio_device);
 925         platform_device_register(&dm644x_emac_device);
 926         clk_add_alias(NULL, dev_name(&dm644x_mdio_device.dev),
 927                       NULL, &dm644x_emac_device.dev);
 928
 929         return 0;
 930 }
 931 postcore_initcall(dm644x_init_devices);