linux/arch/arm/mach-davinci/dm355.c
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   1/*
   2 * TI DaVinci DM355 chip specific setup
   3 *
   4 * Author: Kevin Hilman, Deep Root Systems, LLC
   5 *
   6 * 2007 (c) Deep Root Systems, LLC. This file is licensed under
   7 * the terms of the GNU General Public License version 2. This program
   8 * is licensed "as is" without any warranty of any kind, whether express
   9 * or implied.
  10 */
  11#include <linux/init.h>
  12#include <linux/clk.h>
  13#include <linux/serial_8250.h>
  14#include <linux/platform_device.h>
  15#include <linux/dma-mapping.h>
  16#include <linux/dmaengine.h>
  17#include <linux/spi/spi.h>
  18#include <linux/platform_data/edma.h>
  19#include <linux/platform_data/gpio-davinci.h>
  20#include <linux/platform_data/spi-davinci.h>
  21
  22#include <asm/mach/map.h>
  23
  24#include <mach/cputype.h>
  25#include "psc.h"
  26#include <mach/mux.h>
  27#include <mach/irqs.h>
  28#include <mach/time.h>
  29#include <mach/serial.h>
  30#include <mach/common.h>
  31
  32#include "davinci.h"
  33#include "clock.h"
  34#include "mux.h"
  35#include "asp.h"
  36
  37#define DM355_UART2_BASE        (IO_PHYS + 0x206000)
  38#define DM355_OSD_BASE          (IO_PHYS + 0x70200)
  39#define DM355_VENC_BASE         (IO_PHYS + 0x70400)
  40
  41/*
  42 * Device specific clocks
  43 */
  44#define DM355_REF_FREQ          24000000        /* 24 or 36 MHz */
  45
  46static struct pll_data pll1_data = {
  47        .num       = 1,
  48        .phys_base = DAVINCI_PLL1_BASE,
  49        .flags     = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
  50};
  51
  52static struct pll_data pll2_data = {
  53        .num       = 2,
  54        .phys_base = DAVINCI_PLL2_BASE,
  55        .flags     = PLL_HAS_PREDIV,
  56};
  57
  58static struct clk ref_clk = {
  59        .name = "ref_clk",
  60        /* FIXME -- crystal rate is board-specific */
  61        .rate = DM355_REF_FREQ,
  62};
  63
  64static struct clk pll1_clk = {
  65        .name = "pll1",
  66        .parent = &ref_clk,
  67        .flags = CLK_PLL,
  68        .pll_data = &pll1_data,
  69};
  70
  71static struct clk pll1_aux_clk = {
  72        .name = "pll1_aux_clk",
  73        .parent = &pll1_clk,
  74        .flags = CLK_PLL | PRE_PLL,
  75};
  76
  77static struct clk pll1_sysclk1 = {
  78        .name = "pll1_sysclk1",
  79        .parent = &pll1_clk,
  80        .flags = CLK_PLL,
  81        .div_reg = PLLDIV1,
  82};
  83
  84static struct clk pll1_sysclk2 = {
  85        .name = "pll1_sysclk2",
  86        .parent = &pll1_clk,
  87        .flags = CLK_PLL,
  88        .div_reg = PLLDIV2,
  89};
  90
  91static struct clk pll1_sysclk3 = {
  92        .name = "pll1_sysclk3",
  93        .parent = &pll1_clk,
  94        .flags = CLK_PLL,
  95        .div_reg = PLLDIV3,
  96};
  97
  98static struct clk pll1_sysclk4 = {
  99        .name = "pll1_sysclk4",
 100        .parent = &pll1_clk,
 101        .flags = CLK_PLL,
 102        .div_reg = PLLDIV4,
 103};
 104
 105static struct clk pll1_sysclkbp = {
 106        .name = "pll1_sysclkbp",
 107        .parent = &pll1_clk,
 108        .flags = CLK_PLL | PRE_PLL,
 109        .div_reg = BPDIV
 110};
 111
 112static struct clk vpss_dac_clk = {
 113        .name = "vpss_dac",
 114        .parent = &pll1_sysclk3,
 115        .lpsc = DM355_LPSC_VPSS_DAC,
 116};
 117
 118static struct clk vpss_master_clk = {
 119        .name = "vpss_master",
 120        .parent = &pll1_sysclk4,
 121        .lpsc = DAVINCI_LPSC_VPSSMSTR,
 122        .flags = CLK_PSC,
 123};
 124
 125static struct clk vpss_slave_clk = {
 126        .name = "vpss_slave",
 127        .parent = &pll1_sysclk4,
 128        .lpsc = DAVINCI_LPSC_VPSSSLV,
 129};
 130
 131static struct clk clkout1_clk = {
 132        .name = "clkout1",
 133        .parent = &pll1_aux_clk,
 134        /* NOTE:  clkout1 can be externally gated by muxing GPIO-18 */
 135};
 136
 137static struct clk clkout2_clk = {
 138        .name = "clkout2",
 139        .parent = &pll1_sysclkbp,
 140};
 141
 142static struct clk pll2_clk = {
 143        .name = "pll2",
 144        .parent = &ref_clk,
 145        .flags = CLK_PLL,
 146        .pll_data = &pll2_data,
 147};
 148
 149static struct clk pll2_sysclk1 = {
 150        .name = "pll2_sysclk1",
 151        .parent = &pll2_clk,
 152        .flags = CLK_PLL,
 153        .div_reg = PLLDIV1,
 154};
 155
 156static struct clk pll2_sysclkbp = {
 157        .name = "pll2_sysclkbp",
 158        .parent = &pll2_clk,
 159        .flags = CLK_PLL | PRE_PLL,
 160        .div_reg = BPDIV
 161};
 162
 163static struct clk clkout3_clk = {
 164        .name = "clkout3",
 165        .parent = &pll2_sysclkbp,
 166        /* NOTE:  clkout3 can be externally gated by muxing GPIO-16 */
 167};
 168
 169static struct clk arm_clk = {
 170        .name = "arm_clk",
 171        .parent = &pll1_sysclk1,
 172        .lpsc = DAVINCI_LPSC_ARM,
 173        .flags = ALWAYS_ENABLED,
 174};
 175
 176/*
 177 * NOT LISTED below, and not touched by Linux
 178 *   - in SyncReset state by default
 179 *      .lpsc = DAVINCI_LPSC_TPCC,
 180 *      .lpsc = DAVINCI_LPSC_TPTC0,
 181 *      .lpsc = DAVINCI_LPSC_TPTC1,
 182 *      .lpsc = DAVINCI_LPSC_DDR_EMIF, .parent = &sysclk2_clk,
 183 *      .lpsc = DAVINCI_LPSC_MEMSTICK,
 184 *   - in Enabled state by default
 185 *      .lpsc = DAVINCI_LPSC_SYSTEM_SUBSYS,
 186 *      .lpsc = DAVINCI_LPSC_SCR2,      // "bus"
 187 *      .lpsc = DAVINCI_LPSC_SCR3,      // "bus"
 188 *      .lpsc = DAVINCI_LPSC_SCR4,      // "bus"
 189 *      .lpsc = DAVINCI_LPSC_CROSSBAR,  // "emulation"
 190 *      .lpsc = DAVINCI_LPSC_CFG27,     // "test"
 191 *      .lpsc = DAVINCI_LPSC_CFG3,      // "test"
 192 *      .lpsc = DAVINCI_LPSC_CFG5,      // "test"
 193 */
 194
 195static struct clk mjcp_clk = {
 196        .name = "mjcp",
 197        .parent = &pll1_sysclk1,
 198        .lpsc = DAVINCI_LPSC_IMCOP,
 199};
 200
 201static struct clk uart0_clk = {
 202        .name = "uart0",
 203        .parent = &pll1_aux_clk,
 204        .lpsc = DAVINCI_LPSC_UART0,
 205};
 206
 207static struct clk uart1_clk = {
 208        .name = "uart1",
 209        .parent = &pll1_aux_clk,
 210        .lpsc = DAVINCI_LPSC_UART1,
 211};
 212
 213static struct clk uart2_clk = {
 214        .name = "uart2",
 215        .parent = &pll1_sysclk2,
 216        .lpsc = DAVINCI_LPSC_UART2,
 217};
 218
 219static struct clk i2c_clk = {
 220        .name = "i2c",
 221        .parent = &pll1_aux_clk,
 222        .lpsc = DAVINCI_LPSC_I2C,
 223};
 224
 225static struct clk asp0_clk = {
 226        .name = "asp0",
 227        .parent = &pll1_sysclk2,
 228        .lpsc = DAVINCI_LPSC_McBSP,
 229};
 230
 231static struct clk asp1_clk = {
 232        .name = "asp1",
 233        .parent = &pll1_sysclk2,
 234        .lpsc = DM355_LPSC_McBSP1,
 235};
 236
 237static struct clk mmcsd0_clk = {
 238        .name = "mmcsd0",
 239        .parent = &pll1_sysclk2,
 240        .lpsc = DAVINCI_LPSC_MMC_SD,
 241};
 242
 243static struct clk mmcsd1_clk = {
 244        .name = "mmcsd1",
 245        .parent = &pll1_sysclk2,
 246        .lpsc = DM355_LPSC_MMC_SD1,
 247};
 248
 249static struct clk spi0_clk = {
 250        .name = "spi0",
 251        .parent = &pll1_sysclk2,
 252        .lpsc = DAVINCI_LPSC_SPI,
 253};
 254
 255static struct clk spi1_clk = {
 256        .name = "spi1",
 257        .parent = &pll1_sysclk2,
 258        .lpsc = DM355_LPSC_SPI1,
 259};
 260
 261static struct clk spi2_clk = {
 262        .name = "spi2",
 263        .parent = &pll1_sysclk2,
 264        .lpsc = DM355_LPSC_SPI2,
 265};
 266
 267static struct clk gpio_clk = {
 268        .name = "gpio",
 269        .parent = &pll1_sysclk2,
 270        .lpsc = DAVINCI_LPSC_GPIO,
 271};
 272
 273static struct clk aemif_clk = {
 274        .name = "aemif",
 275        .parent = &pll1_sysclk2,
 276        .lpsc = DAVINCI_LPSC_AEMIF,
 277};
 278
 279static struct clk pwm0_clk = {
 280        .name = "pwm0",
 281        .parent = &pll1_aux_clk,
 282        .lpsc = DAVINCI_LPSC_PWM0,
 283};
 284
 285static struct clk pwm1_clk = {
 286        .name = "pwm1",
 287        .parent = &pll1_aux_clk,
 288        .lpsc = DAVINCI_LPSC_PWM1,
 289};
 290
 291static struct clk pwm2_clk = {
 292        .name = "pwm2",
 293        .parent = &pll1_aux_clk,
 294        .lpsc = DAVINCI_LPSC_PWM2,
 295};
 296
 297static struct clk pwm3_clk = {
 298        .name = "pwm3",
 299        .parent = &pll1_aux_clk,
 300        .lpsc = DM355_LPSC_PWM3,
 301};
 302
 303static struct clk timer0_clk = {
 304        .name = "timer0",
 305        .parent = &pll1_aux_clk,
 306        .lpsc = DAVINCI_LPSC_TIMER0,
 307};
 308
 309static struct clk timer1_clk = {
 310        .name = "timer1",
 311        .parent = &pll1_aux_clk,
 312        .lpsc = DAVINCI_LPSC_TIMER1,
 313};
 314
 315static struct clk timer2_clk = {
 316        .name = "timer2",
 317        .parent = &pll1_aux_clk,
 318        .lpsc = DAVINCI_LPSC_TIMER2,
 319        .usecount = 1,              /* REVISIT: why can't this be disabled? */
 320};
 321
 322static struct clk timer3_clk = {
 323        .name = "timer3",
 324        .parent = &pll1_aux_clk,
 325        .lpsc = DM355_LPSC_TIMER3,
 326};
 327
 328static struct clk rto_clk = {
 329        .name = "rto",
 330        .parent = &pll1_aux_clk,
 331        .lpsc = DM355_LPSC_RTO,
 332};
 333
 334static struct clk usb_clk = {
 335        .name = "usb",
 336        .parent = &pll1_sysclk2,
 337        .lpsc = DAVINCI_LPSC_USB,
 338};
 339
 340static struct clk_lookup dm355_clks[] = {
 341        CLK(NULL, "ref", &ref_clk),
 342        CLK(NULL, "pll1", &pll1_clk),
 343        CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
 344        CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
 345        CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
 346        CLK(NULL, "pll1_sysclk4", &pll1_sysclk4),
 347        CLK(NULL, "pll1_aux", &pll1_aux_clk),
 348        CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
 349        CLK(NULL, "vpss_dac", &vpss_dac_clk),
 350        CLK("vpss", "master", &vpss_master_clk),
 351        CLK("vpss", "slave", &vpss_slave_clk),
 352        CLK(NULL, "clkout1", &clkout1_clk),
 353        CLK(NULL, "clkout2", &clkout2_clk),
 354        CLK(NULL, "pll2", &pll2_clk),
 355        CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
 356        CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp),
 357        CLK(NULL, "clkout3", &clkout3_clk),
 358        CLK(NULL, "arm", &arm_clk),
 359        CLK(NULL, "mjcp", &mjcp_clk),
 360        CLK("serial8250.0", NULL, &uart0_clk),
 361        CLK("serial8250.1", NULL, &uart1_clk),
 362        CLK("serial8250.2", NULL, &uart2_clk),
 363        CLK("i2c_davinci.1", NULL, &i2c_clk),
 364        CLK("davinci-mcbsp.0", NULL, &asp0_clk),
 365        CLK("davinci-mcbsp.1", NULL, &asp1_clk),
 366        CLK("dm6441-mmc.0", NULL, &mmcsd0_clk),
 367        CLK("dm6441-mmc.1", NULL, &mmcsd1_clk),
 368        CLK("spi_davinci.0", NULL, &spi0_clk),
 369        CLK("spi_davinci.1", NULL, &spi1_clk),
 370        CLK("spi_davinci.2", NULL, &spi2_clk),
 371        CLK(NULL, "gpio", &gpio_clk),
 372        CLK(NULL, "aemif", &aemif_clk),
 373        CLK(NULL, "pwm0", &pwm0_clk),
 374        CLK(NULL, "pwm1", &pwm1_clk),
 375        CLK(NULL, "pwm2", &pwm2_clk),
 376        CLK(NULL, "pwm3", &pwm3_clk),
 377        CLK(NULL, "timer0", &timer0_clk),
 378        CLK(NULL, "timer1", &timer1_clk),
 379        CLK("davinci-wdt", NULL, &timer2_clk),
 380        CLK(NULL, "timer3", &timer3_clk),
 381        CLK(NULL, "rto", &rto_clk),
 382        CLK(NULL, "usb", &usb_clk),
 383        CLK(NULL, NULL, NULL),
 384};
 385
 386/*----------------------------------------------------------------------*/
 387
 388static u64 dm355_spi0_dma_mask = DMA_BIT_MASK(32);
 389
 390static struct resource dm355_spi0_resources[] = {
 391        {
 392                .start = 0x01c66000,
 393                .end   = 0x01c667ff,
 394                .flags = IORESOURCE_MEM,
 395        },
 396        {
 397                .start = IRQ_DM355_SPINT0_0,
 398                .flags = IORESOURCE_IRQ,
 399        },
 400        {
 401                .start = 17,
 402                .flags = IORESOURCE_DMA,
 403        },
 404        {
 405                .start = 16,
 406                .flags = IORESOURCE_DMA,
 407        },
 408};
 409
 410static struct davinci_spi_platform_data dm355_spi0_pdata = {
 411        .version        = SPI_VERSION_1,
 412        .num_chipselect = 2,
 413        .cshold_bug     = true,
 414        .dma_event_q    = EVENTQ_1,
 415        .prescaler_limit = 1,
 416};
 417static struct platform_device dm355_spi0_device = {
 418        .name = "spi_davinci",
 419        .id = 0,
 420        .dev = {
 421                .dma_mask = &dm355_spi0_dma_mask,
 422                .coherent_dma_mask = DMA_BIT_MASK(32),
 423                .platform_data = &dm355_spi0_pdata,
 424        },
 425        .num_resources = ARRAY_SIZE(dm355_spi0_resources),
 426        .resource = dm355_spi0_resources,
 427};
 428
 429void __init dm355_init_spi0(unsigned chipselect_mask,
 430                const struct spi_board_info *info, unsigned len)
 431{
 432        /* for now, assume we need MISO */
 433        davinci_cfg_reg(DM355_SPI0_SDI);
 434
 435        /* not all slaves will be wired up */
 436        if (chipselect_mask & BIT(0))
 437                davinci_cfg_reg(DM355_SPI0_SDENA0);
 438        if (chipselect_mask & BIT(1))
 439                davinci_cfg_reg(DM355_SPI0_SDENA1);
 440
 441        spi_register_board_info(info, len);
 442
 443        platform_device_register(&dm355_spi0_device);
 444}
 445
 446/*----------------------------------------------------------------------*/
 447
 448#define INTMUX          0x18
 449#define EVTMUX          0x1c
 450
 451/*
 452 * Device specific mux setup
 453 *
 454 *      soc     description     mux  mode   mode  mux    dbg
 455 *                              reg  offset mask  mode
 456 */
 457static const struct mux_config dm355_pins[] = {
 458#ifdef CONFIG_DAVINCI_MUX
 459MUX_CFG(DM355,  MMCSD0,         4,   2,     1,    0,     false)
 460
 461MUX_CFG(DM355,  SD1_CLK,        3,   6,     1,    1,     false)
 462MUX_CFG(DM355,  SD1_CMD,        3,   7,     1,    1,     false)
 463MUX_CFG(DM355,  SD1_DATA3,      3,   8,     3,    1,     false)
 464MUX_CFG(DM355,  SD1_DATA2,      3,   10,    3,    1,     false)
 465MUX_CFG(DM355,  SD1_DATA1,      3,   12,    3,    1,     false)
 466MUX_CFG(DM355,  SD1_DATA0,      3,   14,    3,    1,     false)
 467
 468MUX_CFG(DM355,  I2C_SDA,        3,   19,    1,    1,     false)
 469MUX_CFG(DM355,  I2C_SCL,        3,   20,    1,    1,     false)
 470
 471MUX_CFG(DM355,  MCBSP0_BDX,     3,   0,     1,    1,     false)
 472MUX_CFG(DM355,  MCBSP0_X,       3,   1,     1,    1,     false)
 473MUX_CFG(DM355,  MCBSP0_BFSX,    3,   2,     1,    1,     false)
 474MUX_CFG(DM355,  MCBSP0_BDR,     3,   3,     1,    1,     false)
 475MUX_CFG(DM355,  MCBSP0_R,       3,   4,     1,    1,     false)
 476MUX_CFG(DM355,  MCBSP0_BFSR,    3,   5,     1,    1,     false)
 477
 478MUX_CFG(DM355,  SPI0_SDI,       4,   1,     1,    0,     false)
 479MUX_CFG(DM355,  SPI0_SDENA0,    4,   0,     1,    0,     false)
 480MUX_CFG(DM355,  SPI0_SDENA1,    3,   28,    1,    1,     false)
 481
 482INT_CFG(DM355,  INT_EDMA_CC,          2,    1,    1,     false)
 483INT_CFG(DM355,  INT_EDMA_TC0_ERR,     3,    1,    1,     false)
 484INT_CFG(DM355,  INT_EDMA_TC1_ERR,     4,    1,    1,     false)
 485
 486EVT_CFG(DM355,  EVT8_ASP1_TX,         0,    1,    0,     false)
 487EVT_CFG(DM355,  EVT9_ASP1_RX,         1,    1,    0,     false)
 488EVT_CFG(DM355,  EVT26_MMC0_RX,        2,    1,    0,     false)
 489
 490MUX_CFG(DM355,  VOUT_FIELD,     1,   18,    3,    1,     false)
 491MUX_CFG(DM355,  VOUT_FIELD_G70, 1,   18,    3,    0,     false)
 492MUX_CFG(DM355,  VOUT_HVSYNC,    1,   16,    1,    0,     false)
 493MUX_CFG(DM355,  VOUT_COUTL_EN,  1,   0,     0xff, 0x55,  false)
 494MUX_CFG(DM355,  VOUT_COUTH_EN,  1,   8,     0xff, 0x55,  false)
 495
 496MUX_CFG(DM355,  VIN_PCLK,       0,   14,    1,    1,     false)
 497MUX_CFG(DM355,  VIN_CAM_WEN,    0,   13,    1,    1,     false)
 498MUX_CFG(DM355,  VIN_CAM_VD,     0,   12,    1,    1,     false)
 499MUX_CFG(DM355,  VIN_CAM_HD,     0,   11,    1,    1,     false)
 500MUX_CFG(DM355,  VIN_YIN_EN,     0,   10,    1,    1,     false)
 501MUX_CFG(DM355,  VIN_CINL_EN,    0,   0,   0xff, 0x55,    false)
 502MUX_CFG(DM355,  VIN_CINH_EN,    0,   8,     3,    3,     false)
 503#endif
 504};
 505
 506static u8 dm355_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 507        [IRQ_DM355_CCDC_VDINT0]         = 2,
 508        [IRQ_DM355_CCDC_VDINT1]         = 6,
 509        [IRQ_DM355_CCDC_VDINT2]         = 6,
 510        [IRQ_DM355_IPIPE_HST]           = 6,
 511        [IRQ_DM355_H3AINT]              = 6,
 512        [IRQ_DM355_IPIPE_SDR]           = 6,
 513        [IRQ_DM355_IPIPEIFINT]          = 6,
 514        [IRQ_DM355_OSDINT]              = 7,
 515        [IRQ_DM355_VENCINT]             = 6,
 516        [IRQ_ASQINT]                    = 6,
 517        [IRQ_IMXINT]                    = 6,
 518        [IRQ_USBINT]                    = 4,
 519        [IRQ_DM355_RTOINT]              = 4,
 520        [IRQ_DM355_UARTINT2]            = 7,
 521        [IRQ_DM355_TINT6]               = 7,
 522        [IRQ_CCINT0]                    = 5,    /* dma */
 523        [IRQ_CCERRINT]                  = 5,    /* dma */
 524        [IRQ_TCERRINT0]                 = 5,    /* dma */
 525        [IRQ_TCERRINT]                  = 5,    /* dma */
 526        [IRQ_DM355_SPINT2_1]            = 7,
 527        [IRQ_DM355_TINT7]               = 4,
 528        [IRQ_DM355_SDIOINT0]            = 7,
 529        [IRQ_MBXINT]                    = 7,
 530        [IRQ_MBRINT]                    = 7,
 531        [IRQ_MMCINT]                    = 7,
 532        [IRQ_DM355_MMCINT1]             = 7,
 533        [IRQ_DM355_PWMINT3]             = 7,
 534        [IRQ_DDRINT]                    = 7,
 535        [IRQ_AEMIFINT]                  = 7,
 536        [IRQ_DM355_SDIOINT1]            = 4,
 537        [IRQ_TINT0_TINT12]              = 2,    /* clockevent */
 538        [IRQ_TINT0_TINT34]              = 2,    /* clocksource */
 539        [IRQ_TINT1_TINT12]              = 7,    /* DSP timer */
 540        [IRQ_TINT1_TINT34]              = 7,    /* system tick */
 541        [IRQ_PWMINT0]                   = 7,
 542        [IRQ_PWMINT1]                   = 7,
 543        [IRQ_PWMINT2]                   = 7,
 544        [IRQ_I2C]                       = 3,
 545        [IRQ_UARTINT0]                  = 3,
 546        [IRQ_UARTINT1]                  = 3,
 547        [IRQ_DM355_SPINT0_0]            = 3,
 548        [IRQ_DM355_SPINT0_1]            = 3,
 549        [IRQ_DM355_GPIO0]               = 3,
 550        [IRQ_DM355_GPIO1]               = 7,
 551        [IRQ_DM355_GPIO2]               = 4,
 552        [IRQ_DM355_GPIO3]               = 4,
 553        [IRQ_DM355_GPIO4]               = 7,
 554        [IRQ_DM355_GPIO5]               = 7,
 555        [IRQ_DM355_GPIO6]               = 7,
 556        [IRQ_DM355_GPIO7]               = 7,
 557        [IRQ_DM355_GPIO8]               = 7,
 558        [IRQ_DM355_GPIO9]               = 7,
 559        [IRQ_DM355_GPIOBNK0]            = 7,
 560        [IRQ_DM355_GPIOBNK1]            = 7,
 561        [IRQ_DM355_GPIOBNK2]            = 7,
 562        [IRQ_DM355_GPIOBNK3]            = 7,
 563        [IRQ_DM355_GPIOBNK4]            = 7,
 564        [IRQ_DM355_GPIOBNK5]            = 7,
 565        [IRQ_DM355_GPIOBNK6]            = 7,
 566        [IRQ_COMMTX]                    = 7,
 567        [IRQ_COMMRX]                    = 7,
 568        [IRQ_EMUINT]                    = 7,
 569};
 570
 571/*----------------------------------------------------------------------*/
 572
 573static s8 queue_priority_mapping[][2] = {
 574        /* {event queue no, Priority} */
 575        {0, 3},
 576        {1, 7},
 577        {-1, -1},
 578};
 579
 580static const struct dma_slave_map dm355_edma_map[] = {
 581        { "davinci-mcbsp.0", "tx", EDMA_FILTER_PARAM(0, 2) },
 582        { "davinci-mcbsp.0", "rx", EDMA_FILTER_PARAM(0, 3) },
 583        { "davinci-mcbsp.1", "tx", EDMA_FILTER_PARAM(0, 8) },
 584        { "davinci-mcbsp.1", "rx", EDMA_FILTER_PARAM(0, 9) },
 585        { "spi_davinci.2", "tx", EDMA_FILTER_PARAM(0, 10) },
 586        { "spi_davinci.2", "rx", EDMA_FILTER_PARAM(0, 11) },
 587        { "spi_davinci.1", "tx", EDMA_FILTER_PARAM(0, 14) },
 588        { "spi_davinci.1", "rx", EDMA_FILTER_PARAM(0, 15) },
 589        { "spi_davinci.0", "tx", EDMA_FILTER_PARAM(0, 16) },
 590        { "spi_davinci.0", "rx", EDMA_FILTER_PARAM(0, 17) },
 591        { "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) },
 592        { "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) },
 593        { "dm6441-mmc.1", "rx", EDMA_FILTER_PARAM(0, 30) },
 594        { "dm6441-mmc.1", "tx", EDMA_FILTER_PARAM(0, 31) },
 595};
 596
 597static struct edma_soc_info dm355_edma_pdata = {
 598        .queue_priority_mapping = queue_priority_mapping,
 599        .default_queue          = EVENTQ_1,
 600        .slave_map              = dm355_edma_map,
 601        .slavecnt               = ARRAY_SIZE(dm355_edma_map),
 602};
 603
 604static struct resource edma_resources[] = {
 605        {
 606                .name   = "edma3_cc",
 607                .start  = 0x01c00000,
 608                .end    = 0x01c00000 + SZ_64K - 1,
 609                .flags  = IORESOURCE_MEM,
 610        },
 611        {
 612                .name   = "edma3_tc0",
 613                .start  = 0x01c10000,
 614                .end    = 0x01c10000 + SZ_1K - 1,
 615                .flags  = IORESOURCE_MEM,
 616        },
 617        {
 618                .name   = "edma3_tc1",
 619                .start  = 0x01c10400,
 620                .end    = 0x01c10400 + SZ_1K - 1,
 621                .flags  = IORESOURCE_MEM,
 622        },
 623        {
 624                .name   = "edma3_ccint",
 625                .start  = IRQ_CCINT0,
 626                .flags  = IORESOURCE_IRQ,
 627        },
 628        {
 629                .name   = "edma3_ccerrint",
 630                .start  = IRQ_CCERRINT,
 631                .flags  = IORESOURCE_IRQ,
 632        },
 633        /* not using (or muxing) TC*_ERR */
 634};
 635
 636static const struct platform_device_info dm355_edma_device __initconst = {
 637        .name           = "edma",
 638        .id             = 0,
 639        .dma_mask       = DMA_BIT_MASK(32),
 640        .res            = edma_resources,
 641        .num_res        = ARRAY_SIZE(edma_resources),
 642        .data           = &dm355_edma_pdata,
 643        .size_data      = sizeof(dm355_edma_pdata),
 644};
 645
 646static struct resource dm355_asp1_resources[] = {
 647        {
 648                .name   = "mpu",
 649                .start  = DAVINCI_ASP1_BASE,
 650                .end    = DAVINCI_ASP1_BASE + SZ_8K - 1,
 651                .flags  = IORESOURCE_MEM,
 652        },
 653        {
 654                .start  = DAVINCI_DMA_ASP1_TX,
 655                .end    = DAVINCI_DMA_ASP1_TX,
 656                .flags  = IORESOURCE_DMA,
 657        },
 658        {
 659                .start  = DAVINCI_DMA_ASP1_RX,
 660                .end    = DAVINCI_DMA_ASP1_RX,
 661                .flags  = IORESOURCE_DMA,
 662        },
 663};
 664
 665static struct platform_device dm355_asp1_device = {
 666        .name           = "davinci-mcbsp",
 667        .id             = 1,
 668        .num_resources  = ARRAY_SIZE(dm355_asp1_resources),
 669        .resource       = dm355_asp1_resources,
 670};
 671
 672static void dm355_ccdc_setup_pinmux(void)
 673{
 674        davinci_cfg_reg(DM355_VIN_PCLK);
 675        davinci_cfg_reg(DM355_VIN_CAM_WEN);
 676        davinci_cfg_reg(DM355_VIN_CAM_VD);
 677        davinci_cfg_reg(DM355_VIN_CAM_HD);
 678        davinci_cfg_reg(DM355_VIN_YIN_EN);
 679        davinci_cfg_reg(DM355_VIN_CINL_EN);
 680        davinci_cfg_reg(DM355_VIN_CINH_EN);
 681}
 682
 683static struct resource dm355_vpss_resources[] = {
 684        {
 685                /* VPSS BL Base address */
 686                .name           = "vpss",
 687                .start          = 0x01c70800,
 688                .end            = 0x01c70800 + 0xff,
 689                .flags          = IORESOURCE_MEM,
 690        },
 691        {
 692                /* VPSS CLK Base address */
 693                .name           = "vpss",
 694                .start          = 0x01c70000,
 695                .end            = 0x01c70000 + 0xf,
 696                .flags          = IORESOURCE_MEM,
 697        },
 698};
 699
 700static struct platform_device dm355_vpss_device = {
 701        .name                   = "vpss",
 702        .id                     = -1,
 703        .dev.platform_data      = "dm355_vpss",
 704        .num_resources          = ARRAY_SIZE(dm355_vpss_resources),
 705        .resource               = dm355_vpss_resources,
 706};
 707
 708static struct resource vpfe_resources[] = {
 709        {
 710                .start          = IRQ_VDINT0,
 711                .end            = IRQ_VDINT0,
 712                .flags          = IORESOURCE_IRQ,
 713        },
 714        {
 715                .start          = IRQ_VDINT1,
 716                .end            = IRQ_VDINT1,
 717                .flags          = IORESOURCE_IRQ,
 718        },
 719};
 720
 721static u64 vpfe_capture_dma_mask = DMA_BIT_MASK(32);
 722static struct resource dm355_ccdc_resource[] = {
 723        /* CCDC Base address */
 724        {
 725                .flags          = IORESOURCE_MEM,
 726                .start          = 0x01c70600,
 727                .end            = 0x01c70600 + 0x1ff,
 728        },
 729};
 730static struct platform_device dm355_ccdc_dev = {
 731        .name           = "dm355_ccdc",
 732        .id             = -1,
 733        .num_resources  = ARRAY_SIZE(dm355_ccdc_resource),
 734        .resource       = dm355_ccdc_resource,
 735        .dev = {
 736                .dma_mask               = &vpfe_capture_dma_mask,
 737                .coherent_dma_mask      = DMA_BIT_MASK(32),
 738                .platform_data          = dm355_ccdc_setup_pinmux,
 739        },
 740};
 741
 742static struct platform_device vpfe_capture_dev = {
 743        .name           = CAPTURE_DRV_NAME,
 744        .id             = -1,
 745        .num_resources  = ARRAY_SIZE(vpfe_resources),
 746        .resource       = vpfe_resources,
 747        .dev = {
 748                .dma_mask               = &vpfe_capture_dma_mask,
 749                .coherent_dma_mask      = DMA_BIT_MASK(32),
 750        },
 751};
 752
 753static struct resource dm355_osd_resources[] = {
 754        {
 755                .start  = DM355_OSD_BASE,
 756                .end    = DM355_OSD_BASE + 0x17f,
 757                .flags  = IORESOURCE_MEM,
 758        },
 759};
 760
 761static struct platform_device dm355_osd_dev = {
 762        .name           = DM355_VPBE_OSD_SUBDEV_NAME,
 763        .id             = -1,
 764        .num_resources  = ARRAY_SIZE(dm355_osd_resources),
 765        .resource       = dm355_osd_resources,
 766        .dev            = {
 767                .dma_mask               = &vpfe_capture_dma_mask,
 768                .coherent_dma_mask      = DMA_BIT_MASK(32),
 769        },
 770};
 771
 772static struct resource dm355_venc_resources[] = {
 773        {
 774                .start  = IRQ_VENCINT,
 775                .end    = IRQ_VENCINT,
 776                .flags  = IORESOURCE_IRQ,
 777        },
 778        /* venc registers io space */
 779        {
 780                .start  = DM355_VENC_BASE,
 781                .end    = DM355_VENC_BASE + 0x17f,
 782                .flags  = IORESOURCE_MEM,
 783        },
 784        /* VDAC config register io space */
 785        {
 786                .start  = DAVINCI_SYSTEM_MODULE_BASE + SYSMOD_VDAC_CONFIG,
 787                .end    = DAVINCI_SYSTEM_MODULE_BASE + SYSMOD_VDAC_CONFIG + 3,
 788                .flags  = IORESOURCE_MEM,
 789        },
 790};
 791
 792static struct resource dm355_v4l2_disp_resources[] = {
 793        {
 794                .start  = IRQ_VENCINT,
 795                .end    = IRQ_VENCINT,
 796                .flags  = IORESOURCE_IRQ,
 797        },
 798        /* venc registers io space */
 799        {
 800                .start  = DM355_VENC_BASE,
 801                .end    = DM355_VENC_BASE + 0x17f,
 802                .flags  = IORESOURCE_MEM,
 803        },
 804};
 805
 806static int dm355_vpbe_setup_pinmux(u32 if_type, int field)
 807{
 808        switch (if_type) {
 809        case MEDIA_BUS_FMT_SGRBG8_1X8:
 810                davinci_cfg_reg(DM355_VOUT_FIELD_G70);
 811                break;
 812        case MEDIA_BUS_FMT_YUYV10_1X20:
 813                if (field)
 814                        davinci_cfg_reg(DM355_VOUT_FIELD);
 815                else
 816                        davinci_cfg_reg(DM355_VOUT_FIELD_G70);
 817                break;
 818        default:
 819                return -EINVAL;
 820        }
 821
 822        davinci_cfg_reg(DM355_VOUT_COUTL_EN);
 823        davinci_cfg_reg(DM355_VOUT_COUTH_EN);
 824
 825        return 0;
 826}
 827
 828static int dm355_venc_setup_clock(enum vpbe_enc_timings_type type,
 829                                   unsigned int pclock)
 830{
 831        void __iomem *vpss_clk_ctrl_reg;
 832
 833        vpss_clk_ctrl_reg = DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL);
 834
 835        switch (type) {
 836        case VPBE_ENC_STD:
 837                writel(VPSS_DACCLKEN_ENABLE | VPSS_VENCCLKEN_ENABLE,
 838                       vpss_clk_ctrl_reg);
 839                break;
 840        case VPBE_ENC_DV_TIMINGS:
 841                if (pclock > 27000000)
 842                        /*
 843                         * For HD, use external clock source since we cannot
 844                         * support HD mode with internal clocks.
 845                         */
 846                        writel(VPSS_MUXSEL_EXTCLK_ENABLE, vpss_clk_ctrl_reg);
 847                break;
 848        default:
 849                return -EINVAL;
 850        }
 851
 852        return 0;
 853}
 854
 855static struct platform_device dm355_vpbe_display = {
 856        .name           = "vpbe-v4l2",
 857        .id             = -1,
 858        .num_resources  = ARRAY_SIZE(dm355_v4l2_disp_resources),
 859        .resource       = dm355_v4l2_disp_resources,
 860        .dev            = {
 861                .dma_mask               = &vpfe_capture_dma_mask,
 862                .coherent_dma_mask      = DMA_BIT_MASK(32),
 863        },
 864};
 865
 866static struct venc_platform_data dm355_venc_pdata = {
 867        .setup_pinmux   = dm355_vpbe_setup_pinmux,
 868        .setup_clock    = dm355_venc_setup_clock,
 869};
 870
 871static struct platform_device dm355_venc_dev = {
 872        .name           = DM355_VPBE_VENC_SUBDEV_NAME,
 873        .id             = -1,
 874        .num_resources  = ARRAY_SIZE(dm355_venc_resources),
 875        .resource       = dm355_venc_resources,
 876        .dev            = {
 877                .dma_mask               = &vpfe_capture_dma_mask,
 878                .coherent_dma_mask      = DMA_BIT_MASK(32),
 879                .platform_data          = (void *)&dm355_venc_pdata,
 880        },
 881};
 882
 883static struct platform_device dm355_vpbe_dev = {
 884        .name           = "vpbe_controller",
 885        .id             = -1,
 886        .dev            = {
 887                .dma_mask               = &vpfe_capture_dma_mask,
 888                .coherent_dma_mask      = DMA_BIT_MASK(32),
 889        },
 890};
 891
 892static struct resource dm355_gpio_resources[] = {
 893        {       /* registers */
 894                .start  = DAVINCI_GPIO_BASE,
 895                .end    = DAVINCI_GPIO_BASE + SZ_4K - 1,
 896                .flags  = IORESOURCE_MEM,
 897        },
 898        {       /* interrupt */
 899                .start  = IRQ_DM355_GPIOBNK0,
 900                .end    = IRQ_DM355_GPIOBNK6,
 901                .flags  = IORESOURCE_IRQ,
 902        },
 903};
 904
 905static struct davinci_gpio_platform_data dm355_gpio_platform_data = {
 906        .ngpio          = 104,
 907};
 908
 909int __init dm355_gpio_register(void)
 910{
 911        return davinci_gpio_register(dm355_gpio_resources,
 912                                     ARRAY_SIZE(dm355_gpio_resources),
 913                                     &dm355_gpio_platform_data);
 914}
 915/*----------------------------------------------------------------------*/
 916
 917static struct map_desc dm355_io_desc[] = {
 918        {
 919                .virtual        = IO_VIRT,
 920                .pfn            = __phys_to_pfn(IO_PHYS),
 921                .length         = IO_SIZE,
 922                .type           = MT_DEVICE
 923        },
 924};
 925
 926/* Contents of JTAG ID register used to identify exact cpu type */
 927static struct davinci_id dm355_ids[] = {
 928        {
 929                .variant        = 0x0,
 930                .part_no        = 0xb73b,
 931                .manufacturer   = 0x00f,
 932                .cpu_id         = DAVINCI_CPU_ID_DM355,
 933                .name           = "dm355",
 934        },
 935};
 936
 937static u32 dm355_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
 938
 939/*
 940 * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
 941 * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
 942 * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
 943 * T1_TOP: Timer 1, top   :  <unused>
 944 */
 945static struct davinci_timer_info dm355_timer_info = {
 946        .timers         = davinci_timer_instance,
 947        .clockevent_id  = T0_BOT,
 948        .clocksource_id = T0_TOP,
 949};
 950
 951static struct plat_serial8250_port dm355_serial0_platform_data[] = {
 952        {
 953                .mapbase        = DAVINCI_UART0_BASE,
 954                .irq            = IRQ_UARTINT0,
 955                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 956                                  UPF_IOREMAP,
 957                .iotype         = UPIO_MEM,
 958                .regshift       = 2,
 959        },
 960        {
 961                .flags  = 0,
 962        }
 963};
 964static struct plat_serial8250_port dm355_serial1_platform_data[] = {
 965        {
 966                .mapbase        = DAVINCI_UART1_BASE,
 967                .irq            = IRQ_UARTINT1,
 968                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 969                                  UPF_IOREMAP,
 970                .iotype         = UPIO_MEM,
 971                .regshift       = 2,
 972        },
 973        {
 974                .flags  = 0,
 975        }
 976};
 977static struct plat_serial8250_port dm355_serial2_platform_data[] = {
 978        {
 979                .mapbase        = DM355_UART2_BASE,
 980                .irq            = IRQ_DM355_UARTINT2,
 981                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 982                                  UPF_IOREMAP,
 983                .iotype         = UPIO_MEM,
 984                .regshift       = 2,
 985        },
 986        {
 987                .flags  = 0,
 988        }
 989};
 990
 991struct platform_device dm355_serial_device[] = {
 992        {
 993                .name                   = "serial8250",
 994                .id                     = PLAT8250_DEV_PLATFORM,
 995                .dev                    = {
 996                        .platform_data  = dm355_serial0_platform_data,
 997                }
 998        },
 999        {
1000                .name                   = "serial8250",
1001                .id                     = PLAT8250_DEV_PLATFORM1,
1002                .dev                    = {
1003                        .platform_data  = dm355_serial1_platform_data,
1004                }
1005        },
1006        {
1007                .name                   = "serial8250",
1008                .id                     = PLAT8250_DEV_PLATFORM2,
1009                .dev                    = {
1010                        .platform_data  = dm355_serial2_platform_data,
1011                }
1012        },
1013        {
1014        }
1015};
1016
1017static struct davinci_soc_info davinci_soc_info_dm355 = {
1018        .io_desc                = dm355_io_desc,
1019        .io_desc_num            = ARRAY_SIZE(dm355_io_desc),
1020        .jtag_id_reg            = 0x01c40028,
1021        .ids                    = dm355_ids,
1022        .ids_num                = ARRAY_SIZE(dm355_ids),
1023        .cpu_clks               = dm355_clks,
1024        .psc_bases              = dm355_psc_bases,
1025        .psc_bases_num          = ARRAY_SIZE(dm355_psc_bases),
1026        .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
1027        .pinmux_pins            = dm355_pins,
1028        .pinmux_pins_num        = ARRAY_SIZE(dm355_pins),
1029        .intc_base              = DAVINCI_ARM_INTC_BASE,
1030        .intc_type              = DAVINCI_INTC_TYPE_AINTC,
1031        .intc_irq_prios         = dm355_default_priorities,
1032        .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
1033        .timer_info             = &dm355_timer_info,
1034        .sram_dma               = 0x00010000,
1035        .sram_len               = SZ_32K,
1036};
1037
1038void __init dm355_init_asp1(u32 evt_enable, struct snd_platform_data *pdata)
1039{
1040        /* we don't use ASP1 IRQs, or we'd need to mux them ... */
1041        if (evt_enable & ASP1_TX_EVT_EN)
1042                davinci_cfg_reg(DM355_EVT8_ASP1_TX);
1043
1044        if (evt_enable & ASP1_RX_EVT_EN)
1045                davinci_cfg_reg(DM355_EVT9_ASP1_RX);
1046
1047        dm355_asp1_device.dev.platform_data = pdata;
1048        platform_device_register(&dm355_asp1_device);
1049}
1050
1051void __init dm355_init(void)
1052{
1053        davinci_common_init(&davinci_soc_info_dm355);
1054        davinci_map_sysmod();
1055}
1056
1057int __init dm355_init_video(struct vpfe_config *vpfe_cfg,
1058                                struct vpbe_config *vpbe_cfg)
1059{
1060        if (vpfe_cfg || vpbe_cfg)
1061                platform_device_register(&dm355_vpss_device);
1062
1063        if (vpfe_cfg) {
1064                vpfe_capture_dev.dev.platform_data = vpfe_cfg;
1065                platform_device_register(&dm355_ccdc_dev);
1066                platform_device_register(&vpfe_capture_dev);
1067        }
1068
1069        if (vpbe_cfg) {
1070                dm355_vpbe_dev.dev.platform_data = vpbe_cfg;
1071                platform_device_register(&dm355_osd_dev);
1072                platform_device_register(&dm355_venc_dev);
1073                platform_device_register(&dm355_vpbe_dev);
1074                platform_device_register(&dm355_vpbe_display);
1075        }
1076
1077        return 0;
1078}
1079
1080static int __init dm355_init_devices(void)
1081{
1082        struct platform_device *edma_pdev;
1083        int ret = 0;
1084
1085        if (!cpu_is_davinci_dm355())
1086                return 0;
1087
1088        davinci_cfg_reg(DM355_INT_EDMA_CC);
1089        edma_pdev = platform_device_register_full(&dm355_edma_device);
1090        if (IS_ERR(edma_pdev)) {
1091                pr_warn("%s: Failed to register eDMA\n", __func__);
1092                return PTR_ERR(edma_pdev);
1093        }
1094
1095        ret = davinci_init_wdt();
1096        if (ret)
1097                pr_warn("%s: watchdog init failed: %d\n", __func__, ret);
1098
1099        return ret;
1100}
1101postcore_initcall(dm355_init_devices);
1102