linux/arch/arm/mach-davinci/dm644x.c
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   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
  46static struct pll_data pll1_data = {
  47        .num       = 1,
  48        .phys_base = DAVINCI_PLL1_BASE,
  49};
  50
  51static struct pll_data pll2_data = {
  52        .num       = 2,
  53        .phys_base = DAVINCI_PLL2_BASE,
  54};
  55
  56static struct clk ref_clk = {
  57        .name = "ref_clk",
  58        .rate = DM644X_REF_FREQ,
  59};
  60
  61static struct clk pll1_clk = {
  62        .name = "pll1",
  63        .parent = &ref_clk,
  64        .pll_data = &pll1_data,
  65        .flags = CLK_PLL,
  66};
  67
  68static struct clk pll1_sysclk1 = {
  69        .name = "pll1_sysclk1",
  70        .parent = &pll1_clk,
  71        .flags = CLK_PLL,
  72        .div_reg = PLLDIV1,
  73};
  74
  75static struct clk pll1_sysclk2 = {
  76        .name = "pll1_sysclk2",
  77        .parent = &pll1_clk,
  78        .flags = CLK_PLL,
  79        .div_reg = PLLDIV2,
  80};
  81
  82static struct clk pll1_sysclk3 = {
  83        .name = "pll1_sysclk3",
  84        .parent = &pll1_clk,
  85        .flags = CLK_PLL,
  86        .div_reg = PLLDIV3,
  87};
  88
  89static struct clk pll1_sysclk5 = {
  90        .name = "pll1_sysclk5",
  91        .parent = &pll1_clk,
  92        .flags = CLK_PLL,
  93        .div_reg = PLLDIV5,
  94};
  95
  96static struct clk pll1_aux_clk = {
  97        .name = "pll1_aux_clk",
  98        .parent = &pll1_clk,
  99        .flags = CLK_PLL | PRE_PLL,
 100};
 101
 102static struct clk pll1_sysclkbp = {
 103        .name = "pll1_sysclkbp",
 104        .parent = &pll1_clk,
 105        .flags = CLK_PLL | PRE_PLL,
 106        .div_reg = BPDIV
 107};
 108
 109static struct clk pll2_clk = {
 110        .name = "pll2",
 111        .parent = &ref_clk,
 112        .pll_data = &pll2_data,
 113        .flags = CLK_PLL,
 114};
 115
 116static struct clk pll2_sysclk1 = {
 117        .name = "pll2_sysclk1",
 118        .parent = &pll2_clk,
 119        .flags = CLK_PLL,
 120        .div_reg = PLLDIV1,
 121};
 122
 123static struct clk pll2_sysclk2 = {
 124        .name = "pll2_sysclk2",
 125        .parent = &pll2_clk,
 126        .flags = CLK_PLL,
 127        .div_reg = PLLDIV2,
 128};
 129
 130static struct clk pll2_sysclkbp = {
 131        .name = "pll2_sysclkbp",
 132        .parent = &pll2_clk,
 133        .flags = CLK_PLL | PRE_PLL,
 134        .div_reg = BPDIV
 135};
 136
 137static 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
 145static struct clk arm_clk = {
 146        .name = "arm",
 147        .parent = &pll1_sysclk2,
 148        .lpsc = DAVINCI_LPSC_ARM,
 149        .flags = ALWAYS_ENABLED,
 150};
 151
 152static 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
 160static struct clk vpss_master_clk = {
 161        .name = "vpss_master",
 162        .parent = &pll1_sysclk3,
 163        .lpsc = DAVINCI_LPSC_VPSSMSTR,
 164        .flags = CLK_PSC,
 165};
 166
 167static struct clk vpss_slave_clk = {
 168        .name = "vpss_slave",
 169        .parent = &pll1_sysclk3,
 170        .lpsc = DAVINCI_LPSC_VPSSSLV,
 171};
 172
 173static struct clk uart0_clk = {
 174        .name = "uart0",
 175        .parent = &pll1_aux_clk,
 176        .lpsc = DAVINCI_LPSC_UART0,
 177};
 178
 179static struct clk uart1_clk = {
 180        .name = "uart1",
 181        .parent = &pll1_aux_clk,
 182        .lpsc = DAVINCI_LPSC_UART1,
 183};
 184
 185static struct clk uart2_clk = {
 186        .name = "uart2",
 187        .parent = &pll1_aux_clk,
 188        .lpsc = DAVINCI_LPSC_UART2,
 189};
 190
 191static struct clk emac_clk = {
 192        .name = "emac",
 193        .parent = &pll1_sysclk5,
 194        .lpsc = DAVINCI_LPSC_EMAC_WRAPPER,
 195};
 196
 197static struct clk i2c_clk = {
 198        .name = "i2c",
 199        .parent = &pll1_aux_clk,
 200        .lpsc = DAVINCI_LPSC_I2C,
 201};
 202
 203static struct clk ide_clk = {
 204        .name = "ide",
 205        .parent = &pll1_sysclk5,
 206        .lpsc = DAVINCI_LPSC_ATA,
 207};
 208
 209static struct clk asp_clk = {
 210        .name = "asp0",
 211        .parent = &pll1_sysclk5,
 212        .lpsc = DAVINCI_LPSC_McBSP,
 213};
 214
 215static struct clk mmcsd_clk = {
 216        .name = "mmcsd",
 217        .parent = &pll1_sysclk5,
 218        .lpsc = DAVINCI_LPSC_MMC_SD,
 219};
 220
 221static struct clk spi_clk = {
 222        .name = "spi",
 223        .parent = &pll1_sysclk5,
 224        .lpsc = DAVINCI_LPSC_SPI,
 225};
 226
 227static struct clk gpio_clk = {
 228        .name = "gpio",
 229        .parent = &pll1_sysclk5,
 230        .lpsc = DAVINCI_LPSC_GPIO,
 231};
 232
 233static struct clk usb_clk = {
 234        .name = "usb",
 235        .parent = &pll1_sysclk5,
 236        .lpsc = DAVINCI_LPSC_USB,
 237};
 238
 239static struct clk vlynq_clk = {
 240        .name = "vlynq",
 241        .parent = &pll1_sysclk5,
 242        .lpsc = DAVINCI_LPSC_VLYNQ,
 243};
 244
 245static struct clk aemif_clk = {
 246        .name = "aemif",
 247        .parent = &pll1_sysclk5,
 248        .lpsc = DAVINCI_LPSC_AEMIF,
 249};
 250
 251static struct clk pwm0_clk = {
 252        .name = "pwm0",
 253        .parent = &pll1_aux_clk,
 254        .lpsc = DAVINCI_LPSC_PWM0,
 255};
 256
 257static struct clk pwm1_clk = {
 258        .name = "pwm1",
 259        .parent = &pll1_aux_clk,
 260        .lpsc = DAVINCI_LPSC_PWM1,
 261};
 262
 263static struct clk pwm2_clk = {
 264        .name = "pwm2",
 265        .parent = &pll1_aux_clk,
 266        .lpsc = DAVINCI_LPSC_PWM2,
 267};
 268
 269static struct clk timer0_clk = {
 270        .name = "timer0",
 271        .parent = &pll1_aux_clk,
 272        .lpsc = DAVINCI_LPSC_TIMER0,
 273};
 274
 275static struct clk timer1_clk = {
 276        .name = "timer1",
 277        .parent = &pll1_aux_clk,
 278        .lpsc = DAVINCI_LPSC_TIMER1,
 279};
 280
 281static 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
 288static 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
 330static 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
 338static 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
 351static 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
 361static 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
 369static 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 */
 382static const struct mux_config dm644x_pins[] = {
 383#ifdef CONFIG_DAVINCI_MUX
 384MUX_CFG(DM644X, HDIREN,         0,   16,    1,    1,     true)
 385MUX_CFG(DM644X, ATAEN,          0,   17,    1,    1,     true)
 386MUX_CFG(DM644X, ATAEN_DISABLE,  0,   17,    1,    0,     true)
 387
 388MUX_CFG(DM644X, HPIEN_DISABLE,  0,   29,    1,    0,     true)
 389
 390MUX_CFG(DM644X, AEAW,           0,   0,     31,   31,    true)
 391MUX_CFG(DM644X, AEAW0,          0,   0,     1,    0,     true)
 392MUX_CFG(DM644X, AEAW1,          0,   1,     1,    0,     true)
 393MUX_CFG(DM644X, AEAW2,          0,   2,     1,    0,     true)
 394MUX_CFG(DM644X, AEAW3,          0,   3,     1,    0,     true)
 395MUX_CFG(DM644X, AEAW4,          0,   4,     1,    0,     true)
 396
 397MUX_CFG(DM644X, MSTK,           1,   9,     1,    0,     false)
 398
 399MUX_CFG(DM644X, I2C,            1,   7,     1,    1,     false)
 400
 401MUX_CFG(DM644X, MCBSP,          1,   10,    1,    1,     false)
 402
 403MUX_CFG(DM644X, UART1,          1,   1,     1,    1,     true)
 404MUX_CFG(DM644X, UART2,          1,   2,     1,    1,     true)
 405
 406MUX_CFG(DM644X, PWM0,           1,   4,     1,    1,     false)
 407
 408MUX_CFG(DM644X, PWM1,           1,   5,     1,    1,     false)
 409
 410MUX_CFG(DM644X, PWM2,           1,   6,     1,    1,     false)
 411
 412MUX_CFG(DM644X, VLYNQEN,        0,   15,    1,    1,     false)
 413MUX_CFG(DM644X, VLSCREN,        0,   14,    1,    1,     false)
 414MUX_CFG(DM644X, VLYNQWD,        0,   12,    3,    3,     false)
 415
 416MUX_CFG(DM644X, EMACEN,         0,   31,    1,    1,     true)
 417
 418MUX_CFG(DM644X, GPIO3V,         0,   31,    1,    0,     true)
 419
 420MUX_CFG(DM644X, GPIO0,          0,   24,    1,    0,     true)
 421MUX_CFG(DM644X, GPIO3,          0,   25,    1,    0,     false)
 422MUX_CFG(DM644X, GPIO43_44,      1,   7,     1,    0,     false)
 423MUX_CFG(DM644X, GPIO46_47,      0,   22,    1,    0,     true)
 424
 425MUX_CFG(DM644X, RGB666,         0,   22,    1,    1,     true)
 426
 427MUX_CFG(DM644X, LOEEN,          0,   24,    1,    1,     true)
 428MUX_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 */
 433static 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
 502static s8 queue_priority_mapping[][2] = {
 503        /* {event queue no, Priority} */
 504        {0, 3},
 505        {1, 7},
 506        {-1, -1},
 507};
 508
 509static 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
 518static 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
 525static 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
 557static 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 */
 568static 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
 587static 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
 596static 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
 606static 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
 614static 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
 627static u64 dm644x_video_dma_mask = DMA_BIT_MASK(32);
 628static struct resource dm644x_ccdc_resource[] = {
 629        /* CCDC Base address */
 630        {
 631                .start          = 0x01c70400,
 632                .end            = 0x01c70400 + 0xff,
 633                .flags          = IORESOURCE_MEM,
 634        },
 635};
 636
 637static 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
 648static 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
 661static struct resource dm644x_osd_resources[] = {
 662        {
 663                .start  = DM644X_OSD_BASE,
 664                .end    = DM644X_OSD_BASE + 0x1ff,
 665                .flags  = IORESOURCE_MEM,
 666        },
 667};
 668
 669static 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
 682static 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
 695static 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
 726static struct resource dm644x_v4l2_disp_resources[] = {
 727        {
 728                .start  = IRQ_VENCINT,
 729                .end    = IRQ_VENCINT,
 730                .flags  = IORESOURCE_IRQ,
 731        },
 732};
 733
 734static 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
 745static struct venc_platform_data dm644x_venc_pdata = {
 746        .setup_clock    = dm644x_venc_setup_clock,
 747};
 748
 749static 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
 761static 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
 770static 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
 783static struct davinci_gpio_platform_data dm644_gpio_platform_data = {
 784        .ngpio          = 71,
 785};
 786
 787int __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
 795static 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 */
 805static 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
 822static 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 */
 830static struct davinci_timer_info dm644x_timer_info = {
 831        .timers         = davinci_timer_instance,
 832        .clockevent_id  = T0_BOT,
 833        .clocksource_id = T0_TOP,
 834};
 835
 836static 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};
 849static 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};
 862static 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
 876struct 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
 902static 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        .cpu_clks               = dm644x_clks,
 909        .psc_bases              = dm644x_psc_bases,
 910        .psc_bases_num          = ARRAY_SIZE(dm644x_psc_bases),
 911        .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
 912        .pinmux_pins            = dm644x_pins,
 913        .pinmux_pins_num        = ARRAY_SIZE(dm644x_pins),
 914        .intc_base              = DAVINCI_ARM_INTC_BASE,
 915        .intc_type              = DAVINCI_INTC_TYPE_AINTC,
 916        .intc_irq_prios         = dm644x_default_priorities,
 917        .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
 918        .timer_info             = &dm644x_timer_info,
 919        .emac_pdata             = &dm644x_emac_pdata,
 920        .sram_dma               = 0x00008000,
 921        .sram_len               = SZ_16K,
 922};
 923
 924void __init dm644x_init_asp(void)
 925{
 926        davinci_cfg_reg(DM644X_MCBSP);
 927        platform_device_register(&dm644x_asp_device);
 928}
 929
 930void __init dm644x_init(void)
 931{
 932        davinci_common_init(&davinci_soc_info_dm644x);
 933        davinci_map_sysmod();
 934        davinci_clk_init(davinci_soc_info_dm644x.cpu_clks);
 935}
 936
 937int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,
 938                                struct vpbe_config *vpbe_cfg)
 939{
 940        if (vpfe_cfg || vpbe_cfg)
 941                platform_device_register(&dm644x_vpss_device);
 942
 943        if (vpfe_cfg) {
 944                dm644x_vpfe_dev.dev.platform_data = vpfe_cfg;
 945                platform_device_register(&dm644x_ccdc_dev);
 946                platform_device_register(&dm644x_vpfe_dev);
 947        }
 948
 949        if (vpbe_cfg) {
 950                dm644x_vpbe_dev.dev.platform_data = vpbe_cfg;
 951                platform_device_register(&dm644x_osd_dev);
 952                platform_device_register(&dm644x_venc_dev);
 953                platform_device_register(&dm644x_vpbe_dev);
 954                platform_device_register(&dm644x_vpbe_display);
 955        }
 956
 957        return 0;
 958}
 959
 960static int __init dm644x_init_devices(void)
 961{
 962        struct platform_device *edma_pdev;
 963        int ret = 0;
 964
 965        if (!cpu_is_davinci_dm644x())
 966                return 0;
 967
 968        edma_pdev = platform_device_register_full(&dm644x_edma_device);
 969        if (IS_ERR(edma_pdev)) {
 970                pr_warn("%s: Failed to register eDMA\n", __func__);
 971                return PTR_ERR(edma_pdev);
 972        }
 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}
 983postcore_initcall(dm644x_init_devices);
 984