arch/arm/mach-davinci/dm355.c

   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
  46 static struct pll_data pll1_data = {
  47         .num       = 1,
  48         .phys_base = DAVINCI_PLL1_BASE,
  49         .flags     = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
  50 };
  51
  52 static struct pll_data pll2_data = {
  53         .num       = 2,
  54         .phys_base = DAVINCI_PLL2_BASE,
  55         .flags     = PLL_HAS_PREDIV,
  56 };
  57
  58 static struct clk ref_clk = {
  59         .name = "ref_clk",
  60         /* FIXME -- crystal rate is board-specific */
  61         .rate = DM355_REF_FREQ,
  62 };
  63
  64 static struct clk pll1_clk = {
  65         .name = "pll1",
  66         .parent = &ref_clk,
  67         .flags = CLK_PLL,
  68         .pll_data = &pll1_data,
  69 };
  70
  71 static struct clk pll1_aux_clk = {
  72         .name = "pll1_aux_clk",
  73         .parent = &pll1_clk,
  74         .flags = CLK_PLL | PRE_PLL,
  75 };
  76
  77 static struct clk pll1_sysclk1 = {
  78         .name = "pll1_sysclk1",
  79         .parent = &pll1_clk,
  80         .flags = CLK_PLL,
  81         .div_reg = PLLDIV1,
  82 };
  83
  84 static struct clk pll1_sysclk2 = {
  85         .name = "pll1_sysclk2",
  86         .parent = &pll1_clk,
  87         .flags = CLK_PLL,
  88         .div_reg = PLLDIV2,
  89 };
  90
  91 static struct clk pll1_sysclk3 = {
  92         .name = "pll1_sysclk3",
  93         .parent = &pll1_clk,
  94         .flags = CLK_PLL,
  95         .div_reg = PLLDIV3,
  96 };
  97
  98 static struct clk pll1_sysclk4 = {
  99         .name = "pll1_sysclk4",
 100         .parent = &pll1_clk,
 101         .flags = CLK_PLL,
 102         .div_reg = PLLDIV4,
 103 };
 104
 105 static struct clk pll1_sysclkbp = {
 106         .name = "pll1_sysclkbp",
 107         .parent = &pll1_clk,
 108         .flags = CLK_PLL | PRE_PLL,
 109         .div_reg = BPDIV
 110 };
 111
 112 static struct clk vpss_dac_clk = {
 113         .name = "vpss_dac",
 114         .parent = &pll1_sysclk3,
 115         .lpsc = DM355_LPSC_VPSS_DAC,
 116 };
 117
 118 static struct clk vpss_master_clk = {
 119         .name = "vpss_master",
 120         .parent = &pll1_sysclk4,
 121         .lpsc = DAVINCI_LPSC_VPSSMSTR,
 122         .flags = CLK_PSC,
 123 };
 124
 125 static struct clk vpss_slave_clk = {
 126         .name = "vpss_slave",
 127         .parent = &pll1_sysclk4,
 128         .lpsc = DAVINCI_LPSC_VPSSSLV,
 129 };
 130
 131 static 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
 137 static struct clk clkout2_clk = {
 138         .name = "clkout2",
 139         .parent = &pll1_sysclkbp,
 140 };
 141
 142 static struct clk pll2_clk = {
 143         .name = "pll2",
 144         .parent = &ref_clk,
 145         .flags = CLK_PLL,
 146         .pll_data = &pll2_data,
 147 };
 148
 149 static struct clk pll2_sysclk1 = {
 150         .name = "pll2_sysclk1",
 151         .parent = &pll2_clk,
 152         .flags = CLK_PLL,
 153         .div_reg = PLLDIV1,
 154 };
 155
 156 static struct clk pll2_sysclkbp = {
 157         .name = "pll2_sysclkbp",
 158         .parent = &pll2_clk,
 159         .flags = CLK_PLL | PRE_PLL,
 160         .div_reg = BPDIV
 161 };
 162
 163 static struct clk clkout3_clk = {
 164         .name = "clkout3",
 165         .parent = &pll2_sysclkbp,
 166         /* NOTE:  clkout3 can be externally gated by muxing GPIO-16 */
 167 };
 168
 169 static 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
 195 static struct clk mjcp_clk = {
 196         .name = "mjcp",
 197         .parent = &pll1_sysclk1,
 198         .lpsc = DAVINCI_LPSC_IMCOP,
 199 };
 200
 201 static struct clk uart0_clk = {
 202         .name = "uart0",
 203         .parent = &pll1_aux_clk,
 204         .lpsc = DAVINCI_LPSC_UART0,
 205 };
 206
 207 static struct clk uart1_clk = {
 208         .name = "uart1",
 209         .parent = &pll1_aux_clk,
 210         .lpsc = DAVINCI_LPSC_UART1,
 211 };
 212
 213 static struct clk uart2_clk = {
 214         .name = "uart2",
 215         .parent = &pll1_sysclk2,
 216         .lpsc = DAVINCI_LPSC_UART2,
 217 };
 218
 219 static struct clk i2c_clk = {
 220         .name = "i2c",
 221         .parent = &pll1_aux_clk,
 222         .lpsc = DAVINCI_LPSC_I2C,
 223 };
 224
 225 static struct clk asp0_clk = {
 226         .name = "asp0",
 227         .parent = &pll1_sysclk2,
 228         .lpsc = DAVINCI_LPSC_McBSP,
 229 };
 230
 231 static struct clk asp1_clk = {
 232         .name = "asp1",
 233         .parent = &pll1_sysclk2,
 234         .lpsc = DM355_LPSC_McBSP1,
 235 };
 236
 237 static struct clk mmcsd0_clk = {
 238         .name = "mmcsd0",
 239         .parent = &pll1_sysclk2,
 240         .lpsc = DAVINCI_LPSC_MMC_SD,
 241 };
 242
 243 static struct clk mmcsd1_clk = {
 244         .name = "mmcsd1",
 245         .parent = &pll1_sysclk2,
 246         .lpsc = DM355_LPSC_MMC_SD1,
 247 };
 248
 249 static struct clk spi0_clk = {
 250         .name = "spi0",
 251         .parent = &pll1_sysclk2,
 252         .lpsc = DAVINCI_LPSC_SPI,
 253 };
 254
 255 static struct clk spi1_clk = {
 256         .name = "spi1",
 257         .parent = &pll1_sysclk2,
 258         .lpsc = DM355_LPSC_SPI1,
 259 };
 260
 261 static struct clk spi2_clk = {
 262         .name = "spi2",
 263         .parent = &pll1_sysclk2,
 264         .lpsc = DM355_LPSC_SPI2,
 265 };
 266
 267 static struct clk gpio_clk = {
 268         .name = "gpio",
 269         .parent = &pll1_sysclk2,
 270         .lpsc = DAVINCI_LPSC_GPIO,
 271 };
 272
 273 static struct clk aemif_clk = {
 274         .name = "aemif",
 275         .parent = &pll1_sysclk2,
 276         .lpsc = DAVINCI_LPSC_AEMIF,
 277 };
 278
 279 static struct clk pwm0_clk = {
 280         .name = "pwm0",
 281         .parent = &pll1_aux_clk,
 282         .lpsc = DAVINCI_LPSC_PWM0,
 283 };
 284
 285 static struct clk pwm1_clk = {
 286         .name = "pwm1",
 287         .parent = &pll1_aux_clk,
 288         .lpsc = DAVINCI_LPSC_PWM1,
 289 };
 290
 291 static struct clk pwm2_clk = {
 292         .name = "pwm2",
 293         .parent = &pll1_aux_clk,
 294         .lpsc = DAVINCI_LPSC_PWM2,
 295 };
 296
 297 static struct clk pwm3_clk = {
 298         .name = "pwm3",
 299         .parent = &pll1_aux_clk,
 300         .lpsc = DM355_LPSC_PWM3,
 301 };
 302
 303 static struct clk timer0_clk = {
 304         .name = "timer0",
 305         .parent = &pll1_aux_clk,
 306         .lpsc = DAVINCI_LPSC_TIMER0,
 307 };
 308
 309 static struct clk timer1_clk = {
 310         .name = "timer1",
 311         .parent = &pll1_aux_clk,
 312         .lpsc = DAVINCI_LPSC_TIMER1,
 313 };
 314
 315 static 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
 322 static struct clk timer3_clk = {
 323         .name = "timer3",
 324         .parent = &pll1_aux_clk,
 325         .lpsc = DM355_LPSC_TIMER3,
 326 };
 327
 328 static struct clk rto_clk = {
 329         .name = "rto",
 330         .parent = &pll1_aux_clk,
 331         .lpsc = DM355_LPSC_RTO,
 332 };
 333
 334 static struct clk usb_clk = {
 335         .name = "usb",
 336         .parent = &pll1_sysclk2,
 337         .lpsc = DAVINCI_LPSC_USB,
 338 };
 339
 340 static 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
 388 static u64 dm355_spi0_dma_mask = DMA_BIT_MASK(32);
 389
 390 static 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
 410 static 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 };
 417 static 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
 429 void __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  */
 457 static const struct mux_config dm355_pins[] = {
 458 #ifdef CONFIG_DAVINCI_MUX
 459 MUX_CFG(DM355,  MMCSD0,         4,   2,     1,    0,     false)
 460
 461 MUX_CFG(DM355,  SD1_CLK,        3,   6,     1,    1,     false)
 462 MUX_CFG(DM355,  SD1_CMD,        3,   7,     1,    1,     false)
 463 MUX_CFG(DM355,  SD1_DATA3,      3,   8,     3,    1,     false)
 464 MUX_CFG(DM355,  SD1_DATA2,      3,   10,    3,    1,     false)
 465 MUX_CFG(DM355,  SD1_DATA1,      3,   12,    3,    1,     false)
 466 MUX_CFG(DM355,  SD1_DATA0,      3,   14,    3,    1,     false)
 467
 468 MUX_CFG(DM355,  I2C_SDA,        3,   19,    1,    1,     false)
 469 MUX_CFG(DM355,  I2C_SCL,        3,   20,    1,    1,     false)
 470
 471 MUX_CFG(DM355,  MCBSP0_BDX,     3,   0,     1,    1,     false)
 472 MUX_CFG(DM355,  MCBSP0_X,       3,   1,     1,    1,     false)
 473 MUX_CFG(DM355,  MCBSP0_BFSX,    3,   2,     1,    1,     false)
 474 MUX_CFG(DM355,  MCBSP0_BDR,     3,   3,     1,    1,     false)
 475 MUX_CFG(DM355,  MCBSP0_R,       3,   4,     1,    1,     false)
 476 MUX_CFG(DM355,  MCBSP0_BFSR,    3,   5,     1,    1,     false)
 477
 478 MUX_CFG(DM355,  SPI0_SDI,       4,   1,     1,    0,     false)
 479 MUX_CFG(DM355,  SPI0_SDENA0,    4,   0,     1,    0,     false)
 480 MUX_CFG(DM355,  SPI0_SDENA1,    3,   28,    1,    1,     false)
 481
 482 INT_CFG(DM355,  INT_EDMA_CC,          2,    1,    1,     false)
 483 INT_CFG(DM355,  INT_EDMA_TC0_ERR,     3,    1,    1,     false)
 484 INT_CFG(DM355,  INT_EDMA_TC1_ERR,     4,    1,    1,     false)
 485
 486 EVT_CFG(DM355,  EVT8_ASP1_TX,         0,    1,    0,     false)
 487 EVT_CFG(DM355,  EVT9_ASP1_RX,         1,    1,    0,     false)
 488 EVT_CFG(DM355,  EVT26_MMC0_RX,        2,    1,    0,     false)
 489
 490 MUX_CFG(DM355,  VOUT_FIELD,     1,   18,    3,    1,     false)
 491 MUX_CFG(DM355,  VOUT_FIELD_G70, 1,   18,    3,    0,     false)
 492 MUX_CFG(DM355,  VOUT_HVSYNC,    1,   16,    1,    0,     false)
 493 MUX_CFG(DM355,  VOUT_COUTL_EN,  1,   0,     0xff, 0x55,  false)
 494 MUX_CFG(DM355,  VOUT_COUTH_EN,  1,   8,     0xff, 0x55,  false)
 495
 496 MUX_CFG(DM355,  VIN_PCLK,       0,   14,    1,    1,     false)
 497 MUX_CFG(DM355,  VIN_CAM_WEN,    0,   13,    1,    1,     false)
 498 MUX_CFG(DM355,  VIN_CAM_VD,     0,   12,    1,    1,     false)
 499 MUX_CFG(DM355,  VIN_CAM_HD,     0,   11,    1,    1,     false)
 500 MUX_CFG(DM355,  VIN_YIN_EN,     0,   10,    1,    1,     false)
 501 MUX_CFG(DM355,  VIN_CINL_EN,    0,   0,   0xff, 0x55,    false)
 502 MUX_CFG(DM355,  VIN_CINH_EN,    0,   8,     3,    3,     false)
 503 #endif
 504 };
 505
 506 static 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
 573 static s8 queue_priority_mapping[][2] = {
 574         /* {event queue no, Priority} */
 575         {0, 3},
 576         {1, 7},
 577         {-1, -1},
 578 };
 579
 580 static 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
 597 static 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
 604 static 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
 636 static 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
 646 static 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
 665 static 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
 672 static 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
 683 static 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
 700 static 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
 708 static 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
 721 static u64 vpfe_capture_dma_mask = DMA_BIT_MASK(32);
 722 static struct resource dm355_ccdc_resource[] = {
 723         /* CCDC Base address */
 724         {
 725                 .flags          = IORESOURCE_MEM,
 726                 .start          = 0x01c70600,
 727                 .end            = 0x01c70600 + 0x1ff,
 728         },
 729 };
 730 static 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
 742 static 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
 753 static struct resource dm355_osd_resources[] = {
 754         {
 755                 .start  = DM355_OSD_BASE,
 756                 .end    = DM355_OSD_BASE + 0x17f,
 757                 .flags  = IORESOURCE_MEM,
 758         },
 759 };
 760
 761 static 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
 772 static 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
 792 static 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
 806 static 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
 828 static 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
 855 static 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
 866 static struct venc_platform_data dm355_venc_pdata = {
 867         .setup_pinmux   = dm355_vpbe_setup_pinmux,
 868         .setup_clock    = dm355_venc_setup_clock,
 869 };
 870
 871 static 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
 883 static 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
 892 static 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
 905 static struct davinci_gpio_platform_data dm355_gpio_platform_data = {
 906         .ngpio          = 104,
 907 };
 908
 909 int __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
 917 static 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 */
 927 static 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
 937 static 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  */
 945 static struct davinci_timer_info dm355_timer_info = {
 946         .timers         = davinci_timer_instance,
 947         .clockevent_id  = T0_BOT,
 948         .clocksource_id = T0_TOP,
 949 };
 950
 951 static 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 };
 964 static 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 };
 977 static 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
 991 struct 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
1017 static 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
1038 void __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
1051 void __init dm355_init(void)
1052 {
1053         davinci_common_init(&davinci_soc_info_dm355);
1054         davinci_map_sysmod();
1055 }
1056
1057 int __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
1080 static 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 }
1101 postcore_initcall(dm355_init_devices);