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/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/clk.h>
  14 #include <linux/serial_8250.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/dma-mapping.h>
  17 #include <linux/gpio.h>
  18
  19 #include <linux/spi/spi.h>
  20
  21 #include <asm/mach/map.h>
  22
  23 #include <mach/dm355.h>
  24 #include <mach/clock.h>
  25 #include <mach/cputype.h>
  26 #include <mach/edma.h>
  27 #include <mach/psc.h>
  28 #include <mach/mux.h>
  29 #include <mach/irqs.h>
  30 #include <mach/time.h>
  31 #include <mach/serial.h>
  32 #include <mach/common.h>
  33
  34 #include "clock.h"
  35 #include "mux.h"
  36
  37 #define DM355_UART2_BASE        (IO_PHYS + 0x206000)
  38
  39 /*
  40  * Device specific clocks
  41  */
  42 #define DM355_REF_FREQ          24000000        /* 24 or 36 MHz */
  43
  44 static struct pll_data pll1_data = {
  45         .num       = 1,
  46         .phys_base = DAVINCI_PLL1_BASE,
  47         .flags     = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
  48 };
  49
  50 static struct pll_data pll2_data = {
  51         .num       = 2,
  52         .phys_base = DAVINCI_PLL2_BASE,
  53         .flags     = PLL_HAS_PREDIV,
  54 };
  55
  56 static struct clk ref_clk = {
  57         .name = "ref_clk",
  58         /* FIXME -- crystal rate is board-specific */
  59         .rate = DM355_REF_FREQ,
  60 };
  61
  62 static struct clk pll1_clk = {
  63         .name = "pll1",
  64         .parent = &ref_clk,
  65         .flags = CLK_PLL,
  66         .pll_data = &pll1_data,
  67 };
  68
  69 static struct clk pll1_aux_clk = {
  70         .name = "pll1_aux_clk",
  71         .parent = &pll1_clk,
  72         .flags = CLK_PLL | PRE_PLL,
  73 };
  74
  75 static struct clk pll1_sysclk1 = {
  76         .name = "pll1_sysclk1",
  77         .parent = &pll1_clk,
  78         .flags = CLK_PLL,
  79         .div_reg = PLLDIV1,
  80 };
  81
  82 static struct clk pll1_sysclk2 = {
  83         .name = "pll1_sysclk2",
  84         .parent = &pll1_clk,
  85         .flags = CLK_PLL,
  86         .div_reg = PLLDIV2,
  87 };
  88
  89 static struct clk pll1_sysclk3 = {
  90         .name = "pll1_sysclk3",
  91         .parent = &pll1_clk,
  92         .flags = CLK_PLL,
  93         .div_reg = PLLDIV3,
  94 };
  95
  96 static struct clk pll1_sysclk4 = {
  97         .name = "pll1_sysclk4",
  98         .parent = &pll1_clk,
  99         .flags = CLK_PLL,
 100         .div_reg = PLLDIV4,
 101 };
 102
 103 static struct clk pll1_sysclkbp = {
 104         .name = "pll1_sysclkbp",
 105         .parent = &pll1_clk,
 106         .flags = CLK_PLL | PRE_PLL,
 107         .div_reg = BPDIV
 108 };
 109
 110 static struct clk vpss_dac_clk = {
 111         .name = "vpss_dac",
 112         .parent = &pll1_sysclk3,
 113         .lpsc = DM355_LPSC_VPSS_DAC,
 114 };
 115
 116 static struct clk vpss_master_clk = {
 117         .name = "vpss_master",
 118         .parent = &pll1_sysclk4,
 119         .lpsc = DAVINCI_LPSC_VPSSMSTR,
 120         .flags = CLK_PSC,
 121 };
 122
 123 static struct clk vpss_slave_clk = {
 124         .name = "vpss_slave",
 125         .parent = &pll1_sysclk4,
 126         .lpsc = DAVINCI_LPSC_VPSSSLV,
 127 };
 128
 129
 130 static struct clk clkout1_clk = {
 131         .name = "clkout1",
 132         .parent = &pll1_aux_clk,
 133         /* NOTE:  clkout1 can be externally gated by muxing GPIO-18 */
 134 };
 135
 136 static struct clk clkout2_clk = {
 137         .name = "clkout2",
 138         .parent = &pll1_sysclkbp,
 139 };
 140
 141 static struct clk pll2_clk = {
 142         .name = "pll2",
 143         .parent = &ref_clk,
 144         .flags = CLK_PLL,
 145         .pll_data = &pll2_data,
 146 };
 147
 148 static struct clk pll2_sysclk1 = {
 149         .name = "pll2_sysclk1",
 150         .parent = &pll2_clk,
 151         .flags = CLK_PLL,
 152         .div_reg = PLLDIV1,
 153 };
 154
 155 static struct clk pll2_sysclkbp = {
 156         .name = "pll2_sysclkbp",
 157         .parent = &pll2_clk,
 158         .flags = CLK_PLL | PRE_PLL,
 159         .div_reg = BPDIV
 160 };
 161
 162 static struct clk clkout3_clk = {
 163         .name = "clkout3",
 164         .parent = &pll2_sysclkbp,
 165         /* NOTE:  clkout3 can be externally gated by muxing GPIO-16 */
 166 };
 167
 168 static struct clk arm_clk = {
 169         .name = "arm_clk",
 170         .parent = &pll1_sysclk1,
 171         .lpsc = DAVINCI_LPSC_ARM,
 172         .flags = ALWAYS_ENABLED,
 173 };
 174
 175 /*
 176  * NOT LISTED below, and not touched by Linux
 177  *   - in SyncReset state by default
 178  *      .lpsc = DAVINCI_LPSC_TPCC,
 179  *      .lpsc = DAVINCI_LPSC_TPTC0,
 180  *      .lpsc = DAVINCI_LPSC_TPTC1,
 181  *      .lpsc = DAVINCI_LPSC_DDR_EMIF, .parent = &sysclk2_clk,
 182  *      .lpsc = DAVINCI_LPSC_MEMSTICK,
 183  *   - in Enabled state by default
 184  *      .lpsc = DAVINCI_LPSC_SYSTEM_SUBSYS,
 185  *      .lpsc = DAVINCI_LPSC_SCR2,      // "bus"
 186  *      .lpsc = DAVINCI_LPSC_SCR3,      // "bus"
 187  *      .lpsc = DAVINCI_LPSC_SCR4,      // "bus"
 188  *      .lpsc = DAVINCI_LPSC_CROSSBAR,  // "emulation"
 189  *      .lpsc = DAVINCI_LPSC_CFG27,     // "test"
 190  *      .lpsc = DAVINCI_LPSC_CFG3,      // "test"
 191  *      .lpsc = DAVINCI_LPSC_CFG5,      // "test"
 192  */
 193
 194 static struct clk mjcp_clk = {
 195         .name = "mjcp",
 196         .parent = &pll1_sysclk1,
 197         .lpsc = DAVINCI_LPSC_IMCOP,
 198 };
 199
 200 static struct clk uart0_clk = {
 201         .name = "uart0",
 202         .parent = &pll1_aux_clk,
 203         .lpsc = DAVINCI_LPSC_UART0,
 204 };
 205
 206 static struct clk uart1_clk = {
 207         .name = "uart1",
 208         .parent = &pll1_aux_clk,
 209         .lpsc = DAVINCI_LPSC_UART1,
 210 };
 211
 212 static struct clk uart2_clk = {
 213         .name = "uart2",
 214         .parent = &pll1_sysclk2,
 215         .lpsc = DAVINCI_LPSC_UART2,
 216 };
 217
 218 static struct clk i2c_clk = {
 219         .name = "i2c",
 220         .parent = &pll1_aux_clk,
 221         .lpsc = DAVINCI_LPSC_I2C,
 222 };
 223
 224 static struct clk asp0_clk = {
 225         .name = "asp0",
 226         .parent = &pll1_sysclk2,
 227         .lpsc = DAVINCI_LPSC_McBSP,
 228 };
 229
 230 static struct clk asp1_clk = {
 231         .name = "asp1",
 232         .parent = &pll1_sysclk2,
 233         .lpsc = DM355_LPSC_McBSP1,
 234 };
 235
 236 static struct clk mmcsd0_clk = {
 237         .name = "mmcsd0",
 238         .parent = &pll1_sysclk2,
 239         .lpsc = DAVINCI_LPSC_MMC_SD,
 240 };
 241
 242 static struct clk mmcsd1_clk = {
 243         .name = "mmcsd1",
 244         .parent = &pll1_sysclk2,
 245         .lpsc = DM355_LPSC_MMC_SD1,
 246 };
 247
 248 static struct clk spi0_clk = {
 249         .name = "spi0",
 250         .parent = &pll1_sysclk2,
 251         .lpsc = DAVINCI_LPSC_SPI,
 252 };
 253
 254 static struct clk spi1_clk = {
 255         .name = "spi1",
 256         .parent = &pll1_sysclk2,
 257         .lpsc = DM355_LPSC_SPI1,
 258 };
 259
 260 static struct clk spi2_clk = {
 261         .name = "spi2",
 262         .parent = &pll1_sysclk2,
 263         .lpsc = DM355_LPSC_SPI2,
 264 };
 265
 266 static struct clk gpio_clk = {
 267         .name = "gpio",
 268         .parent = &pll1_sysclk2,
 269         .lpsc = DAVINCI_LPSC_GPIO,
 270 };
 271
 272 static struct clk aemif_clk = {
 273         .name = "aemif",
 274         .parent = &pll1_sysclk2,
 275         .lpsc = DAVINCI_LPSC_AEMIF,
 276 };
 277
 278 static struct clk pwm0_clk = {
 279         .name = "pwm0",
 280         .parent = &pll1_aux_clk,
 281         .lpsc = DAVINCI_LPSC_PWM0,
 282 };
 283
 284 static struct clk pwm1_clk = {
 285         .name = "pwm1",
 286         .parent = &pll1_aux_clk,
 287         .lpsc = DAVINCI_LPSC_PWM1,
 288 };
 289
 290 static struct clk pwm2_clk = {
 291         .name = "pwm2",
 292         .parent = &pll1_aux_clk,
 293         .lpsc = DAVINCI_LPSC_PWM2,
 294 };
 295
 296 static struct clk pwm3_clk = {
 297         .name = "pwm3",
 298         .parent = &pll1_aux_clk,
 299         .lpsc = DM355_LPSC_PWM3,
 300 };
 301
 302 static struct clk timer0_clk = {
 303         .name = "timer0",
 304         .parent = &pll1_aux_clk,
 305         .lpsc = DAVINCI_LPSC_TIMER0,
 306 };
 307
 308 static struct clk timer1_clk = {
 309         .name = "timer1",
 310         .parent = &pll1_aux_clk,
 311         .lpsc = DAVINCI_LPSC_TIMER1,
 312 };
 313
 314 static struct clk timer2_clk = {
 315         .name = "timer2",
 316         .parent = &pll1_aux_clk,
 317         .lpsc = DAVINCI_LPSC_TIMER2,
 318         .usecount = 1,              /* REVISIT: why cant' this be disabled? */
 319 };
 320
 321 static struct clk timer3_clk = {
 322         .name = "timer3",
 323         .parent = &pll1_aux_clk,
 324         .lpsc = DM355_LPSC_TIMER3,
 325 };
 326
 327 static struct clk rto_clk = {
 328         .name = "rto",
 329         .parent = &pll1_aux_clk,
 330         .lpsc = DM355_LPSC_RTO,
 331 };
 332
 333 static struct clk usb_clk = {
 334         .name = "usb",
 335         .parent = &pll1_sysclk2,
 336         .lpsc = DAVINCI_LPSC_USB,
 337 };
 338
 339 static struct davinci_clk dm355_clks[] = {
 340         CLK(NULL, "ref", &ref_clk),
 341         CLK(NULL, "pll1", &pll1_clk),
 342         CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
 343         CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
 344         CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
 345         CLK(NULL, "pll1_sysclk4", &pll1_sysclk4),
 346         CLK(NULL, "pll1_aux", &pll1_aux_clk),
 347         CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
 348         CLK(NULL, "vpss_dac", &vpss_dac_clk),
 349         CLK(NULL, "vpss_master", &vpss_master_clk),
 350         CLK(NULL, "vpss_slave", &vpss_slave_clk),
 351         CLK(NULL, "clkout1", &clkout1_clk),
 352         CLK(NULL, "clkout2", &clkout2_clk),
 353         CLK(NULL, "pll2", &pll2_clk),
 354         CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
 355         CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp),
 356         CLK(NULL, "clkout3", &clkout3_clk),
 357         CLK(NULL, "arm", &arm_clk),
 358         CLK(NULL, "mjcp", &mjcp_clk),
 359         CLK(NULL, "uart0", &uart0_clk),
 360         CLK(NULL, "uart1", &uart1_clk),
 361         CLK(NULL, "uart2", &uart2_clk),
 362         CLK("i2c_davinci.1", NULL, &i2c_clk),
 363         CLK("soc-audio.0", NULL, &asp0_clk),
 364         CLK("soc-audio.1", NULL, &asp1_clk),
 365         CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
 366         CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
 367         CLK(NULL, "spi0", &spi0_clk),
 368         CLK(NULL, "spi1", &spi1_clk),
 369         CLK(NULL, "spi2", &spi2_clk),
 370         CLK(NULL, "gpio", &gpio_clk),
 371         CLK(NULL, "aemif", &aemif_clk),
 372         CLK(NULL, "pwm0", &pwm0_clk),
 373         CLK(NULL, "pwm1", &pwm1_clk),
 374         CLK(NULL, "pwm2", &pwm2_clk),
 375         CLK(NULL, "pwm3", &pwm3_clk),
 376         CLK(NULL, "timer0", &timer0_clk),
 377         CLK(NULL, "timer1", &timer1_clk),
 378         CLK("watchdog", NULL, &timer2_clk),
 379         CLK(NULL, "timer3", &timer3_clk),
 380         CLK(NULL, "rto", &rto_clk),
 381         CLK(NULL, "usb", &usb_clk),
 382         CLK(NULL, NULL, NULL),
 383 };
 384
 385 /*----------------------------------------------------------------------*/
 386
 387 static u64 dm355_spi0_dma_mask = DMA_BIT_MASK(32);
 388
 389 static struct resource dm355_spi0_resources[] = {
 390         {
 391                 .start = 0x01c66000,
 392                 .end   = 0x01c667ff,
 393                 .flags = IORESOURCE_MEM,
 394         },
 395         {
 396                 .start = IRQ_DM355_SPINT0_1,
 397                 .flags = IORESOURCE_IRQ,
 398         },
 399         /* Not yet used, so not included:
 400          * IORESOURCE_IRQ:
 401          *  - IRQ_DM355_SPINT0_0
 402          * IORESOURCE_DMA:
 403          *  - DAVINCI_DMA_SPI_SPIX
 404          *  - DAVINCI_DMA_SPI_SPIR
 405          */
 406 };
 407
 408 static struct platform_device dm355_spi0_device = {
 409         .name = "spi_davinci",
 410         .id = 0,
 411         .dev = {
 412                 .dma_mask = &dm355_spi0_dma_mask,
 413                 .coherent_dma_mask = DMA_BIT_MASK(32),
 414         },
 415         .num_resources = ARRAY_SIZE(dm355_spi0_resources),
 416         .resource = dm355_spi0_resources,
 417 };
 418
 419 void __init dm355_init_spi0(unsigned chipselect_mask,
 420                 struct spi_board_info *info, unsigned len)
 421 {
 422         /* for now, assume we need MISO */
 423         davinci_cfg_reg(DM355_SPI0_SDI);
 424
 425         /* not all slaves will be wired up */
 426         if (chipselect_mask & BIT(0))
 427                 davinci_cfg_reg(DM355_SPI0_SDENA0);
 428         if (chipselect_mask & BIT(1))
 429                 davinci_cfg_reg(DM355_SPI0_SDENA1);
 430
 431         spi_register_board_info(info, len);
 432
 433         platform_device_register(&dm355_spi0_device);
 434 }
 435
 436 /*----------------------------------------------------------------------*/
 437
 438 #define PINMUX0         0x00
 439 #define PINMUX1         0x04
 440 #define PINMUX2         0x08
 441 #define PINMUX3         0x0c
 442 #define PINMUX4         0x10
 443 #define INTMUX          0x18
 444 #define EVTMUX          0x1c
 445
 446 /*
 447  * Device specific mux setup
 448  *
 449  *      soc     description     mux  mode   mode  mux    dbg
 450  *                              reg  offset mask  mode
 451  */
 452 static const struct mux_config dm355_pins[] = {
 453 #ifdef CONFIG_DAVINCI_MUX
 454 MUX_CFG(DM355,  MMCSD0,         4,   2,     1,    0,     false)
 455
 456 MUX_CFG(DM355,  SD1_CLK,        3,   6,     1,    1,     false)
 457 MUX_CFG(DM355,  SD1_CMD,        3,   7,     1,    1,     false)
 458 MUX_CFG(DM355,  SD1_DATA3,      3,   8,     3,    1,     false)
 459 MUX_CFG(DM355,  SD1_DATA2,      3,   10,    3,    1,     false)
 460 MUX_CFG(DM355,  SD1_DATA1,      3,   12,    3,    1,     false)
 461 MUX_CFG(DM355,  SD1_DATA0,      3,   14,    3,    1,     false)
 462
 463 MUX_CFG(DM355,  I2C_SDA,        3,   19,    1,    1,     false)
 464 MUX_CFG(DM355,  I2C_SCL,        3,   20,    1,    1,     false)
 465
 466 MUX_CFG(DM355,  MCBSP0_BDX,     3,   0,     1,    1,     false)
 467 MUX_CFG(DM355,  MCBSP0_X,       3,   1,     1,    1,     false)
 468 MUX_CFG(DM355,  MCBSP0_BFSX,    3,   2,     1,    1,     false)
 469 MUX_CFG(DM355,  MCBSP0_BDR,     3,   3,     1,    1,     false)
 470 MUX_CFG(DM355,  MCBSP0_R,       3,   4,     1,    1,     false)
 471 MUX_CFG(DM355,  MCBSP0_BFSR,    3,   5,     1,    1,     false)
 472
 473 MUX_CFG(DM355,  SPI0_SDI,       4,   1,     1,    0,     false)
 474 MUX_CFG(DM355,  SPI0_SDENA0,    4,   0,     1,    0,     false)
 475 MUX_CFG(DM355,  SPI0_SDENA1,    3,   28,    1,    1,     false)
 476
 477 INT_CFG(DM355,  INT_EDMA_CC,          2,    1,    1,     false)
 478 INT_CFG(DM355,  INT_EDMA_TC0_ERR,     3,    1,    1,     false)
 479 INT_CFG(DM355,  INT_EDMA_TC1_ERR,     4,    1,    1,     false)
 480
 481 EVT_CFG(DM355,  EVT8_ASP1_TX,         0,    1,    0,     false)
 482 EVT_CFG(DM355,  EVT9_ASP1_RX,         1,    1,    0,     false)
 483 EVT_CFG(DM355,  EVT26_MMC0_RX,        2,    1,    0,     false)
 484 #endif
 485 };
 486
 487 static u8 dm355_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 488         [IRQ_DM355_CCDC_VDINT0]         = 2,
 489         [IRQ_DM355_CCDC_VDINT1]         = 6,
 490         [IRQ_DM355_CCDC_VDINT2]         = 6,
 491         [IRQ_DM355_IPIPE_HST]           = 6,
 492         [IRQ_DM355_H3AINT]              = 6,
 493         [IRQ_DM355_IPIPE_SDR]           = 6,
 494         [IRQ_DM355_IPIPEIFINT]          = 6,
 495         [IRQ_DM355_OSDINT]              = 7,
 496         [IRQ_DM355_VENCINT]             = 6,
 497         [IRQ_ASQINT]                    = 6,
 498         [IRQ_IMXINT]                    = 6,
 499         [IRQ_USBINT]                    = 4,
 500         [IRQ_DM355_RTOINT]              = 4,
 501         [IRQ_DM355_UARTINT2]            = 7,
 502         [IRQ_DM355_TINT6]               = 7,
 503         [IRQ_CCINT0]                    = 5,    /* dma */
 504         [IRQ_CCERRINT]                  = 5,    /* dma */
 505         [IRQ_TCERRINT0]                 = 5,    /* dma */
 506         [IRQ_TCERRINT]                  = 5,    /* dma */
 507         [IRQ_DM355_SPINT2_1]            = 7,
 508         [IRQ_DM355_TINT7]               = 4,
 509         [IRQ_DM355_SDIOINT0]            = 7,
 510         [IRQ_MBXINT]                    = 7,
 511         [IRQ_MBRINT]                    = 7,
 512         [IRQ_MMCINT]                    = 7,
 513         [IRQ_DM355_MMCINT1]             = 7,
 514         [IRQ_DM355_PWMINT3]             = 7,
 515         [IRQ_DDRINT]                    = 7,
 516         [IRQ_AEMIFINT]                  = 7,
 517         [IRQ_DM355_SDIOINT1]            = 4,
 518         [IRQ_TINT0_TINT12]              = 2,    /* clockevent */
 519         [IRQ_TINT0_TINT34]              = 2,    /* clocksource */
 520         [IRQ_TINT1_TINT12]              = 7,    /* DSP timer */
 521         [IRQ_TINT1_TINT34]              = 7,    /* system tick */
 522         [IRQ_PWMINT0]                   = 7,
 523         [IRQ_PWMINT1]                   = 7,
 524         [IRQ_PWMINT2]                   = 7,
 525         [IRQ_I2C]                       = 3,
 526         [IRQ_UARTINT0]                  = 3,
 527         [IRQ_UARTINT1]                  = 3,
 528         [IRQ_DM355_SPINT0_0]            = 3,
 529         [IRQ_DM355_SPINT0_1]            = 3,
 530         [IRQ_DM355_GPIO0]               = 3,
 531         [IRQ_DM355_GPIO1]               = 7,
 532         [IRQ_DM355_GPIO2]               = 4,
 533         [IRQ_DM355_GPIO3]               = 4,
 534         [IRQ_DM355_GPIO4]               = 7,
 535         [IRQ_DM355_GPIO5]               = 7,
 536         [IRQ_DM355_GPIO6]               = 7,
 537         [IRQ_DM355_GPIO7]               = 7,
 538         [IRQ_DM355_GPIO8]               = 7,
 539         [IRQ_DM355_GPIO9]               = 7,
 540         [IRQ_DM355_GPIOBNK0]            = 7,
 541         [IRQ_DM355_GPIOBNK1]            = 7,
 542         [IRQ_DM355_GPIOBNK2]            = 7,
 543         [IRQ_DM355_GPIOBNK3]            = 7,
 544         [IRQ_DM355_GPIOBNK4]            = 7,
 545         [IRQ_DM355_GPIOBNK5]            = 7,
 546         [IRQ_DM355_GPIOBNK6]            = 7,
 547         [IRQ_COMMTX]                    = 7,
 548         [IRQ_COMMRX]                    = 7,
 549         [IRQ_EMUINT]                    = 7,
 550 };
 551
 552 /*----------------------------------------------------------------------*/
 553
 554 static const s8 dma_chan_dm355_no_event[] = {
 555         12, 13, 24, 56, 57,
 556         58, 59, 60, 61, 62,
 557         63,
 558         -1
 559 };
 560
 561 static struct edma_soc_info dm355_edma_info = {
 562         .n_channel      = 64,
 563         .n_region       = 4,
 564         .n_slot         = 128,
 565         .n_tc           = 2,
 566         .noevent        = dma_chan_dm355_no_event,
 567 };
 568
 569 static struct resource edma_resources[] = {
 570         {
 571                 .name   = "edma_cc",
 572                 .start  = 0x01c00000,
 573                 .end    = 0x01c00000 + SZ_64K - 1,
 574                 .flags  = IORESOURCE_MEM,
 575         },
 576         {
 577                 .name   = "edma_tc0",
 578                 .start  = 0x01c10000,
 579                 .end    = 0x01c10000 + SZ_1K - 1,
 580                 .flags  = IORESOURCE_MEM,
 581         },
 582         {
 583                 .name   = "edma_tc1",
 584                 .start  = 0x01c10400,
 585                 .end    = 0x01c10400 + SZ_1K - 1,
 586                 .flags  = IORESOURCE_MEM,
 587         },
 588         {
 589                 .start  = IRQ_CCINT0,
 590                 .flags  = IORESOURCE_IRQ,
 591         },
 592         {
 593                 .start  = IRQ_CCERRINT,
 594                 .flags  = IORESOURCE_IRQ,
 595         },
 596         /* not using (or muxing) TC*_ERR */
 597 };
 598
 599 static struct platform_device dm355_edma_device = {
 600         .name                   = "edma",
 601         .id                     = -1,
 602         .dev.platform_data      = &dm355_edma_info,
 603         .num_resources          = ARRAY_SIZE(edma_resources),
 604         .resource               = edma_resources,
 605 };
 606
 607 /*----------------------------------------------------------------------*/
 608
 609 static struct map_desc dm355_io_desc[] = {
 610         {
 611                 .virtual        = IO_VIRT,
 612                 .pfn            = __phys_to_pfn(IO_PHYS),
 613                 .length         = IO_SIZE,
 614                 .type           = MT_DEVICE
 615         },
 616         {
 617                 .virtual        = SRAM_VIRT,
 618                 .pfn            = __phys_to_pfn(0x00010000),
 619                 .length         = SZ_32K,
 620                 /* MT_MEMORY_NONCACHED requires supersection alignment */
 621                 .type           = MT_DEVICE,
 622         },
 623 };
 624
 625 /* Contents of JTAG ID register used to identify exact cpu type */
 626 static struct davinci_id dm355_ids[] = {
 627         {
 628                 .variant        = 0x0,
 629                 .part_no        = 0xb73b,
 630                 .manufacturer   = 0x00f,
 631                 .cpu_id         = DAVINCI_CPU_ID_DM355,
 632                 .name           = "dm355",
 633         },
 634 };
 635
 636 static void __iomem *dm355_psc_bases[] = {
 637         IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE),
 638 };
 639
 640 /*
 641  * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
 642  * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
 643  * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
 644  * T1_TOP: Timer 1, top   :  <unused>
 645  */
 646 struct davinci_timer_info dm355_timer_info = {
 647         .timers         = davinci_timer_instance,
 648         .clockevent_id  = T0_BOT,
 649         .clocksource_id = T0_TOP,
 650 };
 651
 652 static struct plat_serial8250_port dm355_serial_platform_data[] = {
 653         {
 654                 .mapbase        = DAVINCI_UART0_BASE,
 655                 .irq            = IRQ_UARTINT0,
 656                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 657                                   UPF_IOREMAP,
 658                 .iotype         = UPIO_MEM,
 659                 .regshift       = 2,
 660         },
 661         {
 662                 .mapbase        = DAVINCI_UART1_BASE,
 663                 .irq            = IRQ_UARTINT1,
 664                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 665                                   UPF_IOREMAP,
 666                 .iotype         = UPIO_MEM,
 667                 .regshift       = 2,
 668         },
 669         {
 670                 .mapbase        = DM355_UART2_BASE,
 671                 .irq            = IRQ_DM355_UARTINT2,
 672                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 673                                   UPF_IOREMAP,
 674                 .iotype         = UPIO_MEM,
 675                 .regshift       = 2,
 676         },
 677         {
 678                 .flags          = 0
 679         },
 680 };
 681
 682 static struct platform_device dm355_serial_device = {
 683         .name                   = "serial8250",
 684         .id                     = PLAT8250_DEV_PLATFORM,
 685         .dev                    = {
 686                 .platform_data  = dm355_serial_platform_data,
 687         },
 688 };
 689
 690 static struct davinci_soc_info davinci_soc_info_dm355 = {
 691         .io_desc                = dm355_io_desc,
 692         .io_desc_num            = ARRAY_SIZE(dm355_io_desc),
 693         .jtag_id_base           = IO_ADDRESS(0x01c40028),
 694         .ids                    = dm355_ids,
 695         .ids_num                = ARRAY_SIZE(dm355_ids),
 696         .cpu_clks               = dm355_clks,
 697         .psc_bases              = dm355_psc_bases,
 698         .psc_bases_num          = ARRAY_SIZE(dm355_psc_bases),
 699         .pinmux_base            = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE),
 700         .pinmux_pins            = dm355_pins,
 701         .pinmux_pins_num        = ARRAY_SIZE(dm355_pins),
 702         .intc_base              = IO_ADDRESS(DAVINCI_ARM_INTC_BASE),
 703         .intc_type              = DAVINCI_INTC_TYPE_AINTC,
 704         .intc_irq_prios         = dm355_default_priorities,
 705         .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
 706         .timer_info             = &dm355_timer_info,
 707         .wdt_base               = IO_ADDRESS(DAVINCI_WDOG_BASE),
 708         .gpio_base              = IO_ADDRESS(DAVINCI_GPIO_BASE),
 709         .gpio_num               = 104,
 710         .gpio_irq               = IRQ_DM355_GPIOBNK0,
 711         .serial_dev             = &dm355_serial_device,
 712         .sram_dma               = 0x00010000,
 713         .sram_len               = SZ_32K,
 714 };
 715
 716 void __init dm355_init(void)
 717 {
 718         davinci_common_init(&davinci_soc_info_dm355);
 719 }
 720
 721 static int __init dm355_init_devices(void)
 722 {
 723         if (!cpu_is_davinci_dm355())
 724                 return 0;
 725
 726         davinci_cfg_reg(DM355_INT_EDMA_CC);
 727         platform_device_register(&dm355_edma_device);
 728         return 0;
 729 }
 730 postcore_initcall(dm355_init_devices);