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/dmaengine.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/platform_data/edma.h>
  17 #include <linux/platform_data/gpio-davinci.h>
  18
  19 #include <asm/mach/map.h>
  20
  21 #include <mach/cputype.h>
  22 #include <mach/irqs.h>
  23 #include "psc.h"
  24 #include <mach/mux.h>
  25 #include <mach/time.h>
  26 #include <mach/serial.h>
  27 #include <mach/common.h>
  28
  29 #include "davinci.h"
  30 #include "clock.h"
  31 #include "mux.h"
  32 #include "asp.h"
  33
  34 /*
  35  * Device specific clocks
  36  */
  37 #define DM644X_REF_FREQ         27000000
  38
  39 #define DM644X_EMAC_BASE                0x01c80000
  40 #define DM644X_EMAC_MDIO_BASE           (DM644X_EMAC_BASE + 0x4000)
  41 #define DM644X_EMAC_CNTRL_OFFSET        0x0000
  42 #define DM644X_EMAC_CNTRL_MOD_OFFSET    0x1000
  43 #define DM644X_EMAC_CNTRL_RAM_OFFSET    0x2000
  44 #define DM644X_EMAC_CNTRL_RAM_SIZE      0x2000
  45
  46 static struct pll_data pll1_data = {
  47         .num       = 1,
  48         .phys_base = DAVINCI_PLL1_BASE,
  49 };
  50
  51 static struct pll_data pll2_data = {
  52         .num       = 2,
  53         .phys_base = DAVINCI_PLL2_BASE,
  54 };
  55
  56 static struct clk ref_clk = {
  57         .name = "ref_clk",
  58         .rate = DM644X_REF_FREQ,
  59 };
  60
  61 static struct clk pll1_clk = {
  62         .name = "pll1",
  63         .parent = &ref_clk,
  64         .pll_data = &pll1_data,
  65         .flags = CLK_PLL,
  66 };
  67
  68 static struct clk pll1_sysclk1 = {
  69         .name = "pll1_sysclk1",
  70         .parent = &pll1_clk,
  71         .flags = CLK_PLL,
  72         .div_reg = PLLDIV1,
  73 };
  74
  75 static struct clk pll1_sysclk2 = {
  76         .name = "pll1_sysclk2",
  77         .parent = &pll1_clk,
  78         .flags = CLK_PLL,
  79         .div_reg = PLLDIV2,
  80 };
  81
  82 static struct clk pll1_sysclk3 = {
  83         .name = "pll1_sysclk3",
  84         .parent = &pll1_clk,
  85         .flags = CLK_PLL,
  86         .div_reg = PLLDIV3,
  87 };
  88
  89 static struct clk pll1_sysclk5 = {
  90         .name = "pll1_sysclk5",
  91         .parent = &pll1_clk,
  92         .flags = CLK_PLL,
  93         .div_reg = PLLDIV5,
  94 };
  95
  96 static struct clk pll1_aux_clk = {
  97         .name = "pll1_aux_clk",
  98         .parent = &pll1_clk,
  99         .flags = CLK_PLL | PRE_PLL,
 100 };
 101
 102 static struct clk pll1_sysclkbp = {
 103         .name = "pll1_sysclkbp",
 104         .parent = &pll1_clk,
 105         .flags = CLK_PLL | PRE_PLL,
 106         .div_reg = BPDIV
 107 };
 108
 109 static struct clk pll2_clk = {
 110         .name = "pll2",
 111         .parent = &ref_clk,
 112         .pll_data = &pll2_data,
 113         .flags = CLK_PLL,
 114 };
 115
 116 static struct clk pll2_sysclk1 = {
 117         .name = "pll2_sysclk1",
 118         .parent = &pll2_clk,
 119         .flags = CLK_PLL,
 120         .div_reg = PLLDIV1,
 121 };
 122
 123 static struct clk pll2_sysclk2 = {
 124         .name = "pll2_sysclk2",
 125         .parent = &pll2_clk,
 126         .flags = CLK_PLL,
 127         .div_reg = PLLDIV2,
 128 };
 129
 130 static struct clk pll2_sysclkbp = {
 131         .name = "pll2_sysclkbp",
 132         .parent = &pll2_clk,
 133         .flags = CLK_PLL | PRE_PLL,
 134         .div_reg = BPDIV
 135 };
 136
 137 static struct clk dsp_clk = {
 138         .name = "dsp",
 139         .parent = &pll1_sysclk1,
 140         .lpsc = DAVINCI_LPSC_GEM,
 141         .domain = DAVINCI_GPSC_DSPDOMAIN,
 142         .usecount = 1,                  /* REVISIT how to disable? */
 143 };
 144
 145 static struct clk arm_clk = {
 146         .name = "arm",
 147         .parent = &pll1_sysclk2,
 148         .lpsc = DAVINCI_LPSC_ARM,
 149         .flags = ALWAYS_ENABLED,
 150 };
 151
 152 static struct clk vicp_clk = {
 153         .name = "vicp",
 154         .parent = &pll1_sysclk2,
 155         .lpsc = DAVINCI_LPSC_IMCOP,
 156         .domain = DAVINCI_GPSC_DSPDOMAIN,
 157         .usecount = 1,                  /* REVISIT how to disable? */
 158 };
 159
 160 static struct clk vpss_master_clk = {
 161         .name = "vpss_master",
 162         .parent = &pll1_sysclk3,
 163         .lpsc = DAVINCI_LPSC_VPSSMSTR,
 164         .flags = CLK_PSC,
 165 };
 166
 167 static struct clk vpss_slave_clk = {
 168         .name = "vpss_slave",
 169         .parent = &pll1_sysclk3,
 170         .lpsc = DAVINCI_LPSC_VPSSSLV,
 171 };
 172
 173 static struct clk uart0_clk = {
 174         .name = "uart0",
 175         .parent = &pll1_aux_clk,
 176         .lpsc = DAVINCI_LPSC_UART0,
 177 };
 178
 179 static struct clk uart1_clk = {
 180         .name = "uart1",
 181         .parent = &pll1_aux_clk,
 182         .lpsc = DAVINCI_LPSC_UART1,
 183 };
 184
 185 static struct clk uart2_clk = {
 186         .name = "uart2",
 187         .parent = &pll1_aux_clk,
 188         .lpsc = DAVINCI_LPSC_UART2,
 189 };
 190
 191 static struct clk emac_clk = {
 192         .name = "emac",
 193         .parent = &pll1_sysclk5,
 194         .lpsc = DAVINCI_LPSC_EMAC_WRAPPER,
 195 };
 196
 197 static struct clk i2c_clk = {
 198         .name = "i2c",
 199         .parent = &pll1_aux_clk,
 200         .lpsc = DAVINCI_LPSC_I2C,
 201 };
 202
 203 static struct clk ide_clk = {
 204         .name = "ide",
 205         .parent = &pll1_sysclk5,
 206         .lpsc = DAVINCI_LPSC_ATA,
 207 };
 208
 209 static struct clk asp_clk = {
 210         .name = "asp0",
 211         .parent = &pll1_sysclk5,
 212         .lpsc = DAVINCI_LPSC_McBSP,
 213 };
 214
 215 static struct clk mmcsd_clk = {
 216         .name = "mmcsd",
 217         .parent = &pll1_sysclk5,
 218         .lpsc = DAVINCI_LPSC_MMC_SD,
 219 };
 220
 221 static struct clk spi_clk = {
 222         .name = "spi",
 223         .parent = &pll1_sysclk5,
 224         .lpsc = DAVINCI_LPSC_SPI,
 225 };
 226
 227 static struct clk gpio_clk = {
 228         .name = "gpio",
 229         .parent = &pll1_sysclk5,
 230         .lpsc = DAVINCI_LPSC_GPIO,
 231 };
 232
 233 static struct clk usb_clk = {
 234         .name = "usb",
 235         .parent = &pll1_sysclk5,
 236         .lpsc = DAVINCI_LPSC_USB,
 237 };
 238
 239 static struct clk vlynq_clk = {
 240         .name = "vlynq",
 241         .parent = &pll1_sysclk5,
 242         .lpsc = DAVINCI_LPSC_VLYNQ,
 243 };
 244
 245 static struct clk aemif_clk = {
 246         .name = "aemif",
 247         .parent = &pll1_sysclk5,
 248         .lpsc = DAVINCI_LPSC_AEMIF,
 249 };
 250
 251 static struct clk pwm0_clk = {
 252         .name = "pwm0",
 253         .parent = &pll1_aux_clk,
 254         .lpsc = DAVINCI_LPSC_PWM0,
 255 };
 256
 257 static struct clk pwm1_clk = {
 258         .name = "pwm1",
 259         .parent = &pll1_aux_clk,
 260         .lpsc = DAVINCI_LPSC_PWM1,
 261 };
 262
 263 static struct clk pwm2_clk = {
 264         .name = "pwm2",
 265         .parent = &pll1_aux_clk,
 266         .lpsc = DAVINCI_LPSC_PWM2,
 267 };
 268
 269 static struct clk timer0_clk = {
 270         .name = "timer0",
 271         .parent = &pll1_aux_clk,
 272         .lpsc = DAVINCI_LPSC_TIMER0,
 273 };
 274
 275 static struct clk timer1_clk = {
 276         .name = "timer1",
 277         .parent = &pll1_aux_clk,
 278         .lpsc = DAVINCI_LPSC_TIMER1,
 279 };
 280
 281 static struct clk timer2_clk = {
 282         .name = "timer2",
 283         .parent = &pll1_aux_clk,
 284         .lpsc = DAVINCI_LPSC_TIMER2,
 285         .usecount = 1,              /* REVISIT: why can't this be disabled? */
 286 };
 287
 288 static struct clk_lookup dm644x_clks[] = {
 289         CLK(NULL, "ref", &ref_clk),
 290         CLK(NULL, "pll1", &pll1_clk),
 291         CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
 292         CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
 293         CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
 294         CLK(NULL, "pll1_sysclk5", &pll1_sysclk5),
 295         CLK(NULL, "pll1_aux", &pll1_aux_clk),
 296         CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
 297         CLK(NULL, "pll2", &pll2_clk),
 298         CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
 299         CLK(NULL, "pll2_sysclk2", &pll2_sysclk2),
 300         CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp),
 301         CLK(NULL, "dsp", &dsp_clk),
 302         CLK(NULL, "arm", &arm_clk),
 303         CLK(NULL, "vicp", &vicp_clk),
 304         CLK("vpss", "master", &vpss_master_clk),
 305         CLK("vpss", "slave", &vpss_slave_clk),
 306         CLK(NULL, "arm", &arm_clk),
 307         CLK("serial8250.0", NULL, &uart0_clk),
 308         CLK("serial8250.1", NULL, &uart1_clk),
 309         CLK("serial8250.2", NULL, &uart2_clk),
 310         CLK("davinci_emac.1", NULL, &emac_clk),
 311         CLK("davinci_mdio.0", "fck", &emac_clk),
 312         CLK("i2c_davinci.1", NULL, &i2c_clk),
 313         CLK("palm_bk3710", NULL, &ide_clk),
 314         CLK("davinci-mcbsp", NULL, &asp_clk),
 315         CLK("dm6441-mmc.0", NULL, &mmcsd_clk),
 316         CLK(NULL, "spi", &spi_clk),
 317         CLK(NULL, "gpio", &gpio_clk),
 318         CLK(NULL, "usb", &usb_clk),
 319         CLK(NULL, "vlynq", &vlynq_clk),
 320         CLK(NULL, "aemif", &aemif_clk),
 321         CLK(NULL, "pwm0", &pwm0_clk),
 322         CLK(NULL, "pwm1", &pwm1_clk),
 323         CLK(NULL, "pwm2", &pwm2_clk),
 324         CLK(NULL, "timer0", &timer0_clk),
 325         CLK(NULL, "timer1", &timer1_clk),
 326         CLK("davinci-wdt", NULL, &timer2_clk),
 327         CLK(NULL, NULL, NULL),
 328 };
 329
 330 static struct emac_platform_data dm644x_emac_pdata = {
 331         .ctrl_reg_offset        = DM644X_EMAC_CNTRL_OFFSET,
 332         .ctrl_mod_reg_offset    = DM644X_EMAC_CNTRL_MOD_OFFSET,
 333         .ctrl_ram_offset        = DM644X_EMAC_CNTRL_RAM_OFFSET,
 334         .ctrl_ram_size          = DM644X_EMAC_CNTRL_RAM_SIZE,
 335         .version                = EMAC_VERSION_1,
 336 };
 337
 338 static struct resource dm644x_emac_resources[] = {
 339         {
 340                 .start  = DM644X_EMAC_BASE,
 341                 .end    = DM644X_EMAC_BASE + SZ_16K - 1,
 342                 .flags  = IORESOURCE_MEM,
 343         },
 344         {
 345                 .start = IRQ_EMACINT,
 346                 .end   = IRQ_EMACINT,
 347                 .flags = IORESOURCE_IRQ,
 348         },
 349 };
 350
 351 static struct platform_device dm644x_emac_device = {
 352        .name            = "davinci_emac",
 353        .id              = 1,
 354        .dev = {
 355                .platform_data   = &dm644x_emac_pdata,
 356        },
 357        .num_resources   = ARRAY_SIZE(dm644x_emac_resources),
 358        .resource        = dm644x_emac_resources,
 359 };
 360
 361 static struct resource dm644x_mdio_resources[] = {
 362         {
 363                 .start  = DM644X_EMAC_MDIO_BASE,
 364                 .end    = DM644X_EMAC_MDIO_BASE + SZ_4K - 1,
 365                 .flags  = IORESOURCE_MEM,
 366         },
 367 };
 368
 369 static struct platform_device dm644x_mdio_device = {
 370         .name           = "davinci_mdio",
 371         .id             = 0,
 372         .num_resources  = ARRAY_SIZE(dm644x_mdio_resources),
 373         .resource       = dm644x_mdio_resources,
 374 };
 375
 376 /*
 377  * Device specific mux setup
 378  *
 379  *      soc     description     mux  mode   mode  mux    dbg
 380  *                              reg  offset mask  mode
 381  */
 382 static const struct mux_config dm644x_pins[] = {
 383 #ifdef CONFIG_DAVINCI_MUX
 384 MUX_CFG(DM644X, HDIREN,         0,   16,    1,    1,     true)
 385 MUX_CFG(DM644X, ATAEN,          0,   17,    1,    1,     true)
 386 MUX_CFG(DM644X, ATAEN_DISABLE,  0,   17,    1,    0,     true)
 387
 388 MUX_CFG(DM644X, HPIEN_DISABLE,  0,   29,    1,    0,     true)
 389
 390 MUX_CFG(DM644X, AEAW,           0,   0,     31,   31,    true)
 391 MUX_CFG(DM644X, AEAW0,          0,   0,     1,    0,     true)
 392 MUX_CFG(DM644X, AEAW1,          0,   1,     1,    0,     true)
 393 MUX_CFG(DM644X, AEAW2,          0,   2,     1,    0,     true)
 394 MUX_CFG(DM644X, AEAW3,          0,   3,     1,    0,     true)
 395 MUX_CFG(DM644X, AEAW4,          0,   4,     1,    0,     true)
 396
 397 MUX_CFG(DM644X, MSTK,           1,   9,     1,    0,     false)
 398
 399 MUX_CFG(DM644X, I2C,            1,   7,     1,    1,     false)
 400
 401 MUX_CFG(DM644X, MCBSP,          1,   10,    1,    1,     false)
 402
 403 MUX_CFG(DM644X, UART1,          1,   1,     1,    1,     true)
 404 MUX_CFG(DM644X, UART2,          1,   2,     1,    1,     true)
 405
 406 MUX_CFG(DM644X, PWM0,           1,   4,     1,    1,     false)
 407
 408 MUX_CFG(DM644X, PWM1,           1,   5,     1,    1,     false)
 409
 410 MUX_CFG(DM644X, PWM2,           1,   6,     1,    1,     false)
 411
 412 MUX_CFG(DM644X, VLYNQEN,        0,   15,    1,    1,     false)
 413 MUX_CFG(DM644X, VLSCREN,        0,   14,    1,    1,     false)
 414 MUX_CFG(DM644X, VLYNQWD,        0,   12,    3,    3,     false)
 415
 416 MUX_CFG(DM644X, EMACEN,         0,   31,    1,    1,     true)
 417
 418 MUX_CFG(DM644X, GPIO3V,         0,   31,    1,    0,     true)
 419
 420 MUX_CFG(DM644X, GPIO0,          0,   24,    1,    0,     true)
 421 MUX_CFG(DM644X, GPIO3,          0,   25,    1,    0,     false)
 422 MUX_CFG(DM644X, GPIO43_44,      1,   7,     1,    0,     false)
 423 MUX_CFG(DM644X, GPIO46_47,      0,   22,    1,    0,     true)
 424
 425 MUX_CFG(DM644X, RGB666,         0,   22,    1,    1,     true)
 426
 427 MUX_CFG(DM644X, LOEEN,          0,   24,    1,    1,     true)
 428 MUX_CFG(DM644X, LFLDEN,         0,   25,    1,    1,     false)
 429 #endif
 430 };
 431
 432 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
 433 static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 434         [IRQ_VDINT0]            = 2,
 435         [IRQ_VDINT1]            = 6,
 436         [IRQ_VDINT2]            = 6,
 437         [IRQ_HISTINT]           = 6,
 438         [IRQ_H3AINT]            = 6,
 439         [IRQ_PRVUINT]           = 6,
 440         [IRQ_RSZINT]            = 6,
 441         [7]                     = 7,
 442         [IRQ_VENCINT]           = 6,
 443         [IRQ_ASQINT]            = 6,
 444         [IRQ_IMXINT]            = 6,
 445         [IRQ_VLCDINT]           = 6,
 446         [IRQ_USBINT]            = 4,
 447         [IRQ_EMACINT]           = 4,
 448         [14]                    = 7,
 449         [15]                    = 7,
 450         [IRQ_CCINT0]            = 5,    /* dma */
 451         [IRQ_CCERRINT]          = 5,    /* dma */
 452         [IRQ_TCERRINT0]         = 5,    /* dma */
 453         [IRQ_TCERRINT]          = 5,    /* dma */
 454         [IRQ_PSCIN]             = 7,
 455         [21]                    = 7,
 456         [IRQ_IDE]               = 4,
 457         [23]                    = 7,
 458         [IRQ_MBXINT]            = 7,
 459         [IRQ_MBRINT]            = 7,
 460         [IRQ_MMCINT]            = 7,
 461         [IRQ_SDIOINT]           = 7,
 462         [28]                    = 7,
 463         [IRQ_DDRINT]            = 7,
 464         [IRQ_AEMIFINT]          = 7,
 465         [IRQ_VLQINT]            = 4,
 466         [IRQ_TINT0_TINT12]      = 2,    /* clockevent */
 467         [IRQ_TINT0_TINT34]      = 2,    /* clocksource */
 468         [IRQ_TINT1_TINT12]      = 7,    /* DSP timer */
 469         [IRQ_TINT1_TINT34]      = 7,    /* system tick */
 470         [IRQ_PWMINT0]           = 7,
 471         [IRQ_PWMINT1]           = 7,
 472         [IRQ_PWMINT2]           = 7,
 473         [IRQ_I2C]               = 3,
 474         [IRQ_UARTINT0]          = 3,
 475         [IRQ_UARTINT1]          = 3,
 476         [IRQ_UARTINT2]          = 3,
 477         [IRQ_SPINT0]            = 3,
 478         [IRQ_SPINT1]            = 3,
 479         [45]                    = 7,
 480         [IRQ_DSP2ARM0]          = 4,
 481         [IRQ_DSP2ARM1]          = 4,
 482         [IRQ_GPIO0]             = 7,
 483         [IRQ_GPIO1]             = 7,
 484         [IRQ_GPIO2]             = 7,
 485         [IRQ_GPIO3]             = 7,
 486         [IRQ_GPIO4]             = 7,
 487         [IRQ_GPIO5]             = 7,
 488         [IRQ_GPIO6]             = 7,
 489         [IRQ_GPIO7]             = 7,
 490         [IRQ_GPIOBNK0]          = 7,
 491         [IRQ_GPIOBNK1]          = 7,
 492         [IRQ_GPIOBNK2]          = 7,
 493         [IRQ_GPIOBNK3]          = 7,
 494         [IRQ_GPIOBNK4]          = 7,
 495         [IRQ_COMMTX]            = 7,
 496         [IRQ_COMMRX]            = 7,
 497         [IRQ_EMUINT]            = 7,
 498 };
 499
 500 /*----------------------------------------------------------------------*/
 501
 502 static s8 queue_priority_mapping[][2] = {
 503         /* {event queue no, Priority} */
 504         {0, 3},
 505         {1, 7},
 506         {-1, -1},
 507 };
 508
 509 static const struct dma_slave_map dm644x_edma_map[] = {
 510         { "davinci-mcbsp", "tx", EDMA_FILTER_PARAM(0, 2) },
 511         { "davinci-mcbsp", "rx", EDMA_FILTER_PARAM(0, 3) },
 512         { "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },
 513         { "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },
 514         { "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) },
 515         { "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) },
 516 };
 517
 518 static struct edma_soc_info dm644x_edma_pdata = {
 519         .queue_priority_mapping = queue_priority_mapping,
 520         .default_queue          = EVENTQ_1,
 521         .slave_map              = dm644x_edma_map,
 522         .slavecnt               = ARRAY_SIZE(dm644x_edma_map),
 523 };
 524
 525 static struct resource edma_resources[] = {
 526         {
 527                 .name   = "edma3_cc",
 528                 .start  = 0x01c00000,
 529                 .end    = 0x01c00000 + SZ_64K - 1,
 530                 .flags  = IORESOURCE_MEM,
 531         },
 532         {
 533                 .name   = "edma3_tc0",
 534                 .start  = 0x01c10000,
 535                 .end    = 0x01c10000 + SZ_1K - 1,
 536                 .flags  = IORESOURCE_MEM,
 537         },
 538         {
 539                 .name   = "edma3_tc1",
 540                 .start  = 0x01c10400,
 541                 .end    = 0x01c10400 + SZ_1K - 1,
 542                 .flags  = IORESOURCE_MEM,
 543         },
 544         {
 545                 .name   = "edma3_ccint",
 546                 .start  = IRQ_CCINT0,
 547                 .flags  = IORESOURCE_IRQ,
 548         },
 549         {
 550                 .name   = "edma3_ccerrint",
 551                 .start  = IRQ_CCERRINT,
 552                 .flags  = IORESOURCE_IRQ,
 553         },
 554         /* not using TC*_ERR */
 555 };
 556
 557 static const struct platform_device_info dm644x_edma_device __initconst = {
 558         .name           = "edma",
 559         .id             = 0,
 560         .dma_mask       = DMA_BIT_MASK(32),
 561         .res            = edma_resources,
 562         .num_res        = ARRAY_SIZE(edma_resources),
 563         .data           = &dm644x_edma_pdata,
 564         .size_data      = sizeof(dm644x_edma_pdata),
 565 };
 566
 567 /* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
 568 static struct resource dm644x_asp_resources[] = {
 569         {
 570                 .name   = "mpu",
 571                 .start  = DAVINCI_ASP0_BASE,
 572                 .end    = DAVINCI_ASP0_BASE + SZ_8K - 1,
 573                 .flags  = IORESOURCE_MEM,
 574         },
 575         {
 576                 .start  = DAVINCI_DMA_ASP0_TX,
 577                 .end    = DAVINCI_DMA_ASP0_TX,
 578                 .flags  = IORESOURCE_DMA,
 579         },
 580         {
 581                 .start  = DAVINCI_DMA_ASP0_RX,
 582                 .end    = DAVINCI_DMA_ASP0_RX,
 583                 .flags  = IORESOURCE_DMA,
 584         },
 585 };
 586
 587 static struct platform_device dm644x_asp_device = {
 588         .name           = "davinci-mcbsp",
 589         .id             = -1,
 590         .num_resources  = ARRAY_SIZE(dm644x_asp_resources),
 591         .resource       = dm644x_asp_resources,
 592 };
 593
 594 #define DM644X_VPSS_BASE        0x01c73400
 595
 596 static struct resource dm644x_vpss_resources[] = {
 597         {
 598                 /* VPSS Base address */
 599                 .name           = "vpss",
 600                 .start          = DM644X_VPSS_BASE,
 601                 .end            = DM644X_VPSS_BASE + 0xff,
 602                 .flags          = IORESOURCE_MEM,
 603         },
 604 };
 605
 606 static struct platform_device dm644x_vpss_device = {
 607         .name                   = "vpss",
 608         .id                     = -1,
 609         .dev.platform_data      = "dm644x_vpss",
 610         .num_resources          = ARRAY_SIZE(dm644x_vpss_resources),
 611         .resource               = dm644x_vpss_resources,
 612 };
 613
 614 static struct resource dm644x_vpfe_resources[] = {
 615         {
 616                 .start          = IRQ_VDINT0,
 617                 .end            = IRQ_VDINT0,
 618                 .flags          = IORESOURCE_IRQ,
 619         },
 620         {
 621                 .start          = IRQ_VDINT1,
 622                 .end            = IRQ_VDINT1,
 623                 .flags          = IORESOURCE_IRQ,
 624         },
 625 };
 626
 627 static u64 dm644x_video_dma_mask = DMA_BIT_MASK(32);
 628 static struct resource dm644x_ccdc_resource[] = {
 629         /* CCDC Base address */
 630         {
 631                 .start          = 0x01c70400,
 632                 .end            = 0x01c70400 + 0xff,
 633                 .flags          = IORESOURCE_MEM,
 634         },
 635 };
 636
 637 static struct platform_device dm644x_ccdc_dev = {
 638         .name           = "dm644x_ccdc",
 639         .id             = -1,
 640         .num_resources  = ARRAY_SIZE(dm644x_ccdc_resource),
 641         .resource       = dm644x_ccdc_resource,
 642         .dev = {
 643                 .dma_mask               = &dm644x_video_dma_mask,
 644                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 645         },
 646 };
 647
 648 static struct platform_device dm644x_vpfe_dev = {
 649         .name           = CAPTURE_DRV_NAME,
 650         .id             = -1,
 651         .num_resources  = ARRAY_SIZE(dm644x_vpfe_resources),
 652         .resource       = dm644x_vpfe_resources,
 653         .dev = {
 654                 .dma_mask               = &dm644x_video_dma_mask,
 655                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 656         },
 657 };
 658
 659 #define DM644X_OSD_BASE         0x01c72600
 660
 661 static struct resource dm644x_osd_resources[] = {
 662         {
 663                 .start  = DM644X_OSD_BASE,
 664                 .end    = DM644X_OSD_BASE + 0x1ff,
 665                 .flags  = IORESOURCE_MEM,
 666         },
 667 };
 668
 669 static struct platform_device dm644x_osd_dev = {
 670         .name           = DM644X_VPBE_OSD_SUBDEV_NAME,
 671         .id             = -1,
 672         .num_resources  = ARRAY_SIZE(dm644x_osd_resources),
 673         .resource       = dm644x_osd_resources,
 674         .dev            = {
 675                 .dma_mask               = &dm644x_video_dma_mask,
 676                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 677         },
 678 };
 679
 680 #define DM644X_VENC_BASE                0x01c72400
 681
 682 static struct resource dm644x_venc_resources[] = {
 683         {
 684                 .start  = DM644X_VENC_BASE,
 685                 .end    = DM644X_VENC_BASE + 0x17f,
 686                 .flags  = IORESOURCE_MEM,
 687         },
 688 };
 689
 690 #define DM644X_VPSS_MUXSEL_PLL2_MODE          BIT(0)
 691 #define DM644X_VPSS_MUXSEL_VPBECLK_MODE       BIT(1)
 692 #define DM644X_VPSS_VENCLKEN                  BIT(3)
 693 #define DM644X_VPSS_DACCLKEN                  BIT(4)
 694
 695 static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type,
 696                                    unsigned int pclock)
 697 {
 698         int ret = 0;
 699         u32 v = DM644X_VPSS_VENCLKEN;
 700
 701         switch (type) {
 702         case VPBE_ENC_STD:
 703                 v |= DM644X_VPSS_DACCLKEN;
 704                 writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 705                 break;
 706         case VPBE_ENC_DV_TIMINGS:
 707                 if (pclock <= 27000000) {
 708                         v |= DM644X_VPSS_DACCLKEN;
 709                         writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 710                 } else {
 711                         /*
 712                          * For HD, use external clock source since
 713                          * HD requires higher clock rate
 714                          */
 715                         v |= DM644X_VPSS_MUXSEL_VPBECLK_MODE;
 716                         writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 717                 }
 718                 break;
 719         default:
 720                 ret  = -EINVAL;
 721         }
 722
 723         return ret;
 724 }
 725
 726 static struct resource dm644x_v4l2_disp_resources[] = {
 727         {
 728                 .start  = IRQ_VENCINT,
 729                 .end    = IRQ_VENCINT,
 730                 .flags  = IORESOURCE_IRQ,
 731         },
 732 };
 733
 734 static struct platform_device dm644x_vpbe_display = {
 735         .name           = "vpbe-v4l2",
 736         .id             = -1,
 737         .num_resources  = ARRAY_SIZE(dm644x_v4l2_disp_resources),
 738         .resource       = dm644x_v4l2_disp_resources,
 739         .dev            = {
 740                 .dma_mask               = &dm644x_video_dma_mask,
 741                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 742         },
 743 };
 744
 745 static struct venc_platform_data dm644x_venc_pdata = {
 746         .setup_clock    = dm644x_venc_setup_clock,
 747 };
 748
 749 static struct platform_device dm644x_venc_dev = {
 750         .name           = DM644X_VPBE_VENC_SUBDEV_NAME,
 751         .id             = -1,
 752         .num_resources  = ARRAY_SIZE(dm644x_venc_resources),
 753         .resource       = dm644x_venc_resources,
 754         .dev            = {
 755                 .dma_mask               = &dm644x_video_dma_mask,
 756                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 757                 .platform_data          = &dm644x_venc_pdata,
 758         },
 759 };
 760
 761 static struct platform_device dm644x_vpbe_dev = {
 762         .name           = "vpbe_controller",
 763         .id             = -1,
 764         .dev            = {
 765                 .dma_mask               = &dm644x_video_dma_mask,
 766                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 767         },
 768 };
 769
 770 static struct resource dm644_gpio_resources[] = {
 771         {       /* registers */
 772                 .start  = DAVINCI_GPIO_BASE,
 773                 .end    = DAVINCI_GPIO_BASE + SZ_4K - 1,
 774                 .flags  = IORESOURCE_MEM,
 775         },
 776         {       /* interrupt */
 777                 .start  = IRQ_GPIOBNK0,
 778                 .end    = IRQ_GPIOBNK4,
 779                 .flags  = IORESOURCE_IRQ,
 780         },
 781 };
 782
 783 static struct davinci_gpio_platform_data dm644_gpio_platform_data = {
 784         .ngpio          = 71,
 785 };
 786
 787 int __init dm644x_gpio_register(void)
 788 {
 789         return davinci_gpio_register(dm644_gpio_resources,
 790                                      ARRAY_SIZE(dm644_gpio_resources),
 791                                      &dm644_gpio_platform_data);
 792 }
 793 /*----------------------------------------------------------------------*/
 794
 795 static struct map_desc dm644x_io_desc[] = {
 796         {
 797                 .virtual        = IO_VIRT,
 798                 .pfn            = __phys_to_pfn(IO_PHYS),
 799                 .length         = IO_SIZE,
 800                 .type           = MT_DEVICE
 801         },
 802 };
 803
 804 /* Contents of JTAG ID register used to identify exact cpu type */
 805 static struct davinci_id dm644x_ids[] = {
 806         {
 807                 .variant        = 0x0,
 808                 .part_no        = 0xb700,
 809                 .manufacturer   = 0x017,
 810                 .cpu_id         = DAVINCI_CPU_ID_DM6446,
 811                 .name           = "dm6446",
 812         },
 813         {
 814                 .variant        = 0x1,
 815                 .part_no        = 0xb700,
 816                 .manufacturer   = 0x017,
 817                 .cpu_id         = DAVINCI_CPU_ID_DM6446,
 818                 .name           = "dm6446a",
 819         },
 820 };
 821
 822 static u32 dm644x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
 823
 824 /*
 825  * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
 826  * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
 827  * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
 828  * T1_TOP: Timer 1, top   :  <unused>
 829  */
 830 static struct davinci_timer_info dm644x_timer_info = {
 831         .timers         = davinci_timer_instance,
 832         .clockevent_id  = T0_BOT,
 833         .clocksource_id = T0_TOP,
 834 };
 835
 836 static struct plat_serial8250_port dm644x_serial0_platform_data[] = {
 837         {
 838                 .mapbase        = DAVINCI_UART0_BASE,
 839                 .irq            = IRQ_UARTINT0,
 840                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 841                                   UPF_IOREMAP,
 842                 .iotype         = UPIO_MEM,
 843                 .regshift       = 2,
 844         },
 845         {
 846                 .flags  = 0,
 847         }
 848 };
 849 static struct plat_serial8250_port dm644x_serial1_platform_data[] = {
 850         {
 851                 .mapbase        = DAVINCI_UART1_BASE,
 852                 .irq            = IRQ_UARTINT1,
 853                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 854                                   UPF_IOREMAP,
 855                 .iotype         = UPIO_MEM,
 856                 .regshift       = 2,
 857         },
 858         {
 859                 .flags  = 0,
 860         }
 861 };
 862 static struct plat_serial8250_port dm644x_serial2_platform_data[] = {
 863         {
 864                 .mapbase        = DAVINCI_UART2_BASE,
 865                 .irq            = IRQ_UARTINT2,
 866                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 867                                   UPF_IOREMAP,
 868                 .iotype         = UPIO_MEM,
 869                 .regshift       = 2,
 870         },
 871         {
 872                 .flags  = 0,
 873         }
 874 };
 875
 876 struct platform_device dm644x_serial_device[] = {
 877         {
 878                 .name                   = "serial8250",
 879                 .id                     = PLAT8250_DEV_PLATFORM,
 880                 .dev                    = {
 881                         .platform_data  = dm644x_serial0_platform_data,
 882                 }
 883         },
 884         {
 885                 .name                   = "serial8250",
 886                 .id                     = PLAT8250_DEV_PLATFORM1,
 887                 .dev                    = {
 888                         .platform_data  = dm644x_serial1_platform_data,
 889                 }
 890         },
 891         {
 892                 .name                   = "serial8250",
 893                 .id                     = PLAT8250_DEV_PLATFORM2,
 894                 .dev                    = {
 895                         .platform_data  = dm644x_serial2_platform_data,
 896                 }
 897         },
 898         {
 899         }
 900 };
 901
 902 static const struct davinci_soc_info davinci_soc_info_dm644x = {
 903         .io_desc                = dm644x_io_desc,
 904         .io_desc_num            = ARRAY_SIZE(dm644x_io_desc),
 905         .jtag_id_reg            = 0x01c40028,
 906         .ids                    = dm644x_ids,
 907         .ids_num                = ARRAY_SIZE(dm644x_ids),
 908         .psc_bases              = dm644x_psc_bases,
 909         .psc_bases_num          = ARRAY_SIZE(dm644x_psc_bases),
 910         .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
 911         .pinmux_pins            = dm644x_pins,
 912         .pinmux_pins_num        = ARRAY_SIZE(dm644x_pins),
 913         .intc_base              = DAVINCI_ARM_INTC_BASE,
 914         .intc_type              = DAVINCI_INTC_TYPE_AINTC,
 915         .intc_irq_prios         = dm644x_default_priorities,
 916         .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
 917         .timer_info             = &dm644x_timer_info,
 918         .emac_pdata             = &dm644x_emac_pdata,
 919         .sram_dma               = 0x00008000,
 920         .sram_len               = SZ_16K,
 921 };
 922
 923 void __init dm644x_init_asp(void)
 924 {
 925         davinci_cfg_reg(DM644X_MCBSP);
 926         platform_device_register(&dm644x_asp_device);
 927 }
 928
 929 void __init dm644x_init(void)
 930 {
 931         davinci_common_init(&davinci_soc_info_dm644x);
 932         davinci_map_sysmod();
 933 }
 934
 935 void __init dm644x_init_time(void)
 936 {
 937         davinci_clk_init(dm644x_clks);
 938         davinci_timer_init();
 939 }
 940
 941 int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,
 942                                 struct vpbe_config *vpbe_cfg)
 943 {
 944         if (vpfe_cfg || vpbe_cfg)
 945                 platform_device_register(&dm644x_vpss_device);
 946
 947         if (vpfe_cfg) {
 948                 dm644x_vpfe_dev.dev.platform_data = vpfe_cfg;
 949                 platform_device_register(&dm644x_ccdc_dev);
 950                 platform_device_register(&dm644x_vpfe_dev);
 951         }
 952
 953         if (vpbe_cfg) {
 954                 dm644x_vpbe_dev.dev.platform_data = vpbe_cfg;
 955                 platform_device_register(&dm644x_osd_dev);
 956                 platform_device_register(&dm644x_venc_dev);
 957                 platform_device_register(&dm644x_vpbe_dev);
 958                 platform_device_register(&dm644x_vpbe_display);
 959         }
 960
 961         return 0;
 962 }
 963
 964 void __init dm644x_init_devices(void)
 965 {
 966         struct platform_device *edma_pdev;
 967         int ret;
 968
 969         edma_pdev = platform_device_register_full(&dm644x_edma_device);
 970         if (IS_ERR(edma_pdev))
 971                 pr_warn("%s: Failed to register eDMA\n", __func__);
 972
 973         platform_device_register(&dm644x_mdio_device);
 974         platform_device_register(&dm644x_emac_device);
 975
 976         ret = davinci_init_wdt();
 977         if (ret)
 978                 pr_warn("%s: watchdog init failed: %d\n", __func__, ret);
 979
 980 }