linux/arch/arm/mach-davinci/dm646x.c
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   1/*
   2 * TI DaVinci DM644x chip specific setup
   3 *
   4 * Author: Kevin Hilman, Deep Root Systems, LLC
   5 *
   6 * 2007 (c) Deep Root Systems, LLC. This file is licensed under
   7 * the terms of the GNU General Public License version 2. This program
   8 * is licensed "as is" without any warranty of any kind, whether express
   9 * or implied.
  10 */
  11#include <linux/dma-mapping.h>
  12#include <linux/dmaengine.h>
  13#include <linux/init.h>
  14#include <linux/clk.h>
  15#include <linux/serial_8250.h>
  16#include <linux/platform_device.h>
  17#include <linux/platform_data/edma.h>
  18#include <linux/platform_data/gpio-davinci.h>
  19
  20#include <asm/mach/map.h>
  21
  22#include <mach/cputype.h>
  23#include <mach/irqs.h>
  24#include "psc.h"
  25#include <mach/mux.h>
  26#include <mach/time.h>
  27#include <mach/serial.h>
  28#include <mach/common.h>
  29
  30#include "davinci.h"
  31#include "clock.h"
  32#include "mux.h"
  33#include "asp.h"
  34
  35#define DAVINCI_VPIF_BASE       (0x01C12000)
  36
  37#define VDD3P3V_VID_MASK        (BIT_MASK(3) | BIT_MASK(2) | BIT_MASK(1) |\
  38                                        BIT_MASK(0))
  39#define VSCLKDIS_MASK           (BIT_MASK(11) | BIT_MASK(10) | BIT_MASK(9) |\
  40                                        BIT_MASK(8))
  41
  42/*
  43 * Device specific clocks
  44 */
  45#define DM646X_REF_FREQ         27000000
  46#define DM646X_AUX_FREQ         24000000
  47
  48#define DM646X_EMAC_BASE                0x01c80000
  49#define DM646X_EMAC_MDIO_BASE           (DM646X_EMAC_BASE + 0x4000)
  50#define DM646X_EMAC_CNTRL_OFFSET        0x0000
  51#define DM646X_EMAC_CNTRL_MOD_OFFSET    0x1000
  52#define DM646X_EMAC_CNTRL_RAM_OFFSET    0x2000
  53#define DM646X_EMAC_CNTRL_RAM_SIZE      0x2000
  54
  55static struct pll_data pll1_data = {
  56        .num       = 1,
  57        .phys_base = DAVINCI_PLL1_BASE,
  58};
  59
  60static struct pll_data pll2_data = {
  61        .num       = 2,
  62        .phys_base = DAVINCI_PLL2_BASE,
  63};
  64
  65static struct clk ref_clk = {
  66        .name = "ref_clk",
  67        .rate = DM646X_REF_FREQ,
  68        .set_rate = davinci_simple_set_rate,
  69};
  70
  71static struct clk aux_clkin = {
  72        .name = "aux_clkin",
  73        .rate = DM646X_AUX_FREQ,
  74};
  75
  76static struct clk pll1_clk = {
  77        .name = "pll1",
  78        .parent = &ref_clk,
  79        .pll_data = &pll1_data,
  80        .flags = CLK_PLL,
  81};
  82
  83static struct clk pll1_sysclk1 = {
  84        .name = "pll1_sysclk1",
  85        .parent = &pll1_clk,
  86        .flags = CLK_PLL,
  87        .div_reg = PLLDIV1,
  88};
  89
  90static struct clk pll1_sysclk2 = {
  91        .name = "pll1_sysclk2",
  92        .parent = &pll1_clk,
  93        .flags = CLK_PLL,
  94        .div_reg = PLLDIV2,
  95};
  96
  97static struct clk pll1_sysclk3 = {
  98        .name = "pll1_sysclk3",
  99        .parent = &pll1_clk,
 100        .flags = CLK_PLL,
 101        .div_reg = PLLDIV3,
 102};
 103
 104static struct clk pll1_sysclk4 = {
 105        .name = "pll1_sysclk4",
 106        .parent = &pll1_clk,
 107        .flags = CLK_PLL,
 108        .div_reg = PLLDIV4,
 109};
 110
 111static struct clk pll1_sysclk5 = {
 112        .name = "pll1_sysclk5",
 113        .parent = &pll1_clk,
 114        .flags = CLK_PLL,
 115        .div_reg = PLLDIV5,
 116};
 117
 118static struct clk pll1_sysclk6 = {
 119        .name = "pll1_sysclk6",
 120        .parent = &pll1_clk,
 121        .flags = CLK_PLL,
 122        .div_reg = PLLDIV6,
 123};
 124
 125static struct clk pll1_sysclk8 = {
 126        .name = "pll1_sysclk8",
 127        .parent = &pll1_clk,
 128        .flags = CLK_PLL,
 129        .div_reg = PLLDIV8,
 130};
 131
 132static struct clk pll1_sysclk9 = {
 133        .name = "pll1_sysclk9",
 134        .parent = &pll1_clk,
 135        .flags = CLK_PLL,
 136        .div_reg = PLLDIV9,
 137};
 138
 139static struct clk pll1_sysclkbp = {
 140        .name = "pll1_sysclkbp",
 141        .parent = &pll1_clk,
 142        .flags = CLK_PLL | PRE_PLL,
 143        .div_reg = BPDIV,
 144};
 145
 146static struct clk pll1_aux_clk = {
 147        .name = "pll1_aux_clk",
 148        .parent = &pll1_clk,
 149        .flags = CLK_PLL | PRE_PLL,
 150};
 151
 152static struct clk pll2_clk = {
 153        .name = "pll2_clk",
 154        .parent = &ref_clk,
 155        .pll_data = &pll2_data,
 156        .flags = CLK_PLL,
 157};
 158
 159static struct clk pll2_sysclk1 = {
 160        .name = "pll2_sysclk1",
 161        .parent = &pll2_clk,
 162        .flags = CLK_PLL,
 163        .div_reg = PLLDIV1,
 164};
 165
 166static struct clk dsp_clk = {
 167        .name = "dsp",
 168        .parent = &pll1_sysclk1,
 169        .lpsc = DM646X_LPSC_C64X_CPU,
 170        .usecount = 1,                  /* REVISIT how to disable? */
 171};
 172
 173static struct clk arm_clk = {
 174        .name = "arm",
 175        .parent = &pll1_sysclk2,
 176        .lpsc = DM646X_LPSC_ARM,
 177        .flags = ALWAYS_ENABLED,
 178};
 179
 180static struct clk edma_cc_clk = {
 181        .name = "edma_cc",
 182        .parent = &pll1_sysclk2,
 183        .lpsc = DM646X_LPSC_TPCC,
 184        .flags = ALWAYS_ENABLED,
 185};
 186
 187static struct clk edma_tc0_clk = {
 188        .name = "edma_tc0",
 189        .parent = &pll1_sysclk2,
 190        .lpsc = DM646X_LPSC_TPTC0,
 191        .flags = ALWAYS_ENABLED,
 192};
 193
 194static struct clk edma_tc1_clk = {
 195        .name = "edma_tc1",
 196        .parent = &pll1_sysclk2,
 197        .lpsc = DM646X_LPSC_TPTC1,
 198        .flags = ALWAYS_ENABLED,
 199};
 200
 201static struct clk edma_tc2_clk = {
 202        .name = "edma_tc2",
 203        .parent = &pll1_sysclk2,
 204        .lpsc = DM646X_LPSC_TPTC2,
 205        .flags = ALWAYS_ENABLED,
 206};
 207
 208static struct clk edma_tc3_clk = {
 209        .name = "edma_tc3",
 210        .parent = &pll1_sysclk2,
 211        .lpsc = DM646X_LPSC_TPTC3,
 212        .flags = ALWAYS_ENABLED,
 213};
 214
 215static struct clk uart0_clk = {
 216        .name = "uart0",
 217        .parent = &aux_clkin,
 218        .lpsc = DM646X_LPSC_UART0,
 219};
 220
 221static struct clk uart1_clk = {
 222        .name = "uart1",
 223        .parent = &aux_clkin,
 224        .lpsc = DM646X_LPSC_UART1,
 225};
 226
 227static struct clk uart2_clk = {
 228        .name = "uart2",
 229        .parent = &aux_clkin,
 230        .lpsc = DM646X_LPSC_UART2,
 231};
 232
 233static struct clk i2c_clk = {
 234        .name = "I2CCLK",
 235        .parent = &pll1_sysclk3,
 236        .lpsc = DM646X_LPSC_I2C,
 237};
 238
 239static struct clk gpio_clk = {
 240        .name = "gpio",
 241        .parent = &pll1_sysclk3,
 242        .lpsc = DM646X_LPSC_GPIO,
 243};
 244
 245static struct clk mcasp0_clk = {
 246        .name = "mcasp0",
 247        .parent = &pll1_sysclk3,
 248        .lpsc = DM646X_LPSC_McASP0,
 249};
 250
 251static struct clk mcasp1_clk = {
 252        .name = "mcasp1",
 253        .parent = &pll1_sysclk3,
 254        .lpsc = DM646X_LPSC_McASP1,
 255};
 256
 257static struct clk aemif_clk = {
 258        .name = "aemif",
 259        .parent = &pll1_sysclk3,
 260        .lpsc = DM646X_LPSC_AEMIF,
 261        .flags = ALWAYS_ENABLED,
 262};
 263
 264static struct clk emac_clk = {
 265        .name = "emac",
 266        .parent = &pll1_sysclk3,
 267        .lpsc = DM646X_LPSC_EMAC,
 268};
 269
 270static struct clk pwm0_clk = {
 271        .name = "pwm0",
 272        .parent = &pll1_sysclk3,
 273        .lpsc = DM646X_LPSC_PWM0,
 274        .usecount = 1,            /* REVIST: disabling hangs system */
 275};
 276
 277static struct clk pwm1_clk = {
 278        .name = "pwm1",
 279        .parent = &pll1_sysclk3,
 280        .lpsc = DM646X_LPSC_PWM1,
 281        .usecount = 1,            /* REVIST: disabling hangs system */
 282};
 283
 284static struct clk timer0_clk = {
 285        .name = "timer0",
 286        .parent = &pll1_sysclk3,
 287        .lpsc = DM646X_LPSC_TIMER0,
 288};
 289
 290static struct clk timer1_clk = {
 291        .name = "timer1",
 292        .parent = &pll1_sysclk3,
 293        .lpsc = DM646X_LPSC_TIMER1,
 294};
 295
 296static struct clk timer2_clk = {
 297        .name = "timer2",
 298        .parent = &pll1_sysclk3,
 299        .flags = ALWAYS_ENABLED, /* no LPSC, always enabled; c.f. spruep9a */
 300};
 301
 302
 303static struct clk ide_clk = {
 304        .name = "ide",
 305        .parent = &pll1_sysclk4,
 306        .lpsc = DAVINCI_LPSC_ATA,
 307};
 308
 309static struct clk vpif0_clk = {
 310        .name = "vpif0",
 311        .parent = &ref_clk,
 312        .lpsc = DM646X_LPSC_VPSSMSTR,
 313        .flags = ALWAYS_ENABLED,
 314};
 315
 316static struct clk vpif1_clk = {
 317        .name = "vpif1",
 318        .parent = &ref_clk,
 319        .lpsc = DM646X_LPSC_VPSSSLV,
 320        .flags = ALWAYS_ENABLED,
 321};
 322
 323static struct clk_lookup dm646x_clks[] = {
 324        CLK(NULL, "ref", &ref_clk),
 325        CLK(NULL, "aux", &aux_clkin),
 326        CLK(NULL, "pll1", &pll1_clk),
 327        CLK(NULL, "pll1_sysclk", &pll1_sysclk1),
 328        CLK(NULL, "pll1_sysclk", &pll1_sysclk2),
 329        CLK(NULL, "pll1_sysclk", &pll1_sysclk3),
 330        CLK(NULL, "pll1_sysclk", &pll1_sysclk4),
 331        CLK(NULL, "pll1_sysclk", &pll1_sysclk5),
 332        CLK(NULL, "pll1_sysclk", &pll1_sysclk6),
 333        CLK(NULL, "pll1_sysclk", &pll1_sysclk8),
 334        CLK(NULL, "pll1_sysclk", &pll1_sysclk9),
 335        CLK(NULL, "pll1_sysclk", &pll1_sysclkbp),
 336        CLK(NULL, "pll1_aux", &pll1_aux_clk),
 337        CLK(NULL, "pll2", &pll2_clk),
 338        CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
 339        CLK(NULL, "dsp", &dsp_clk),
 340        CLK(NULL, "arm", &arm_clk),
 341        CLK(NULL, "edma_cc", &edma_cc_clk),
 342        CLK(NULL, "edma_tc0", &edma_tc0_clk),
 343        CLK(NULL, "edma_tc1", &edma_tc1_clk),
 344        CLK(NULL, "edma_tc2", &edma_tc2_clk),
 345        CLK(NULL, "edma_tc3", &edma_tc3_clk),
 346        CLK("serial8250.0", NULL, &uart0_clk),
 347        CLK("serial8250.1", NULL, &uart1_clk),
 348        CLK("serial8250.2", NULL, &uart2_clk),
 349        CLK("i2c_davinci.1", NULL, &i2c_clk),
 350        CLK(NULL, "gpio", &gpio_clk),
 351        CLK("davinci-mcasp.0", NULL, &mcasp0_clk),
 352        CLK("davinci-mcasp.1", NULL, &mcasp1_clk),
 353        CLK(NULL, "aemif", &aemif_clk),
 354        CLK("davinci_emac.1", NULL, &emac_clk),
 355        CLK("davinci_mdio.0", "fck", &emac_clk),
 356        CLK(NULL, "pwm0", &pwm0_clk),
 357        CLK(NULL, "pwm1", &pwm1_clk),
 358        CLK(NULL, "timer0", &timer0_clk),
 359        CLK(NULL, "timer1", &timer1_clk),
 360        CLK("davinci-wdt", NULL, &timer2_clk),
 361        CLK("palm_bk3710", NULL, &ide_clk),
 362        CLK(NULL, "vpif0", &vpif0_clk),
 363        CLK(NULL, "vpif1", &vpif1_clk),
 364        CLK(NULL, NULL, NULL),
 365};
 366
 367static struct emac_platform_data dm646x_emac_pdata = {
 368        .ctrl_reg_offset        = DM646X_EMAC_CNTRL_OFFSET,
 369        .ctrl_mod_reg_offset    = DM646X_EMAC_CNTRL_MOD_OFFSET,
 370        .ctrl_ram_offset        = DM646X_EMAC_CNTRL_RAM_OFFSET,
 371        .ctrl_ram_size          = DM646X_EMAC_CNTRL_RAM_SIZE,
 372        .version                = EMAC_VERSION_2,
 373};
 374
 375static struct resource dm646x_emac_resources[] = {
 376        {
 377                .start  = DM646X_EMAC_BASE,
 378                .end    = DM646X_EMAC_BASE + SZ_16K - 1,
 379                .flags  = IORESOURCE_MEM,
 380        },
 381        {
 382                .start  = IRQ_DM646X_EMACRXTHINT,
 383                .end    = IRQ_DM646X_EMACRXTHINT,
 384                .flags  = IORESOURCE_IRQ,
 385        },
 386        {
 387                .start  = IRQ_DM646X_EMACRXINT,
 388                .end    = IRQ_DM646X_EMACRXINT,
 389                .flags  = IORESOURCE_IRQ,
 390        },
 391        {
 392                .start  = IRQ_DM646X_EMACTXINT,
 393                .end    = IRQ_DM646X_EMACTXINT,
 394                .flags  = IORESOURCE_IRQ,
 395        },
 396        {
 397                .start  = IRQ_DM646X_EMACMISCINT,
 398                .end    = IRQ_DM646X_EMACMISCINT,
 399                .flags  = IORESOURCE_IRQ,
 400        },
 401};
 402
 403static struct platform_device dm646x_emac_device = {
 404        .name           = "davinci_emac",
 405        .id             = 1,
 406        .dev = {
 407                .platform_data  = &dm646x_emac_pdata,
 408        },
 409        .num_resources  = ARRAY_SIZE(dm646x_emac_resources),
 410        .resource       = dm646x_emac_resources,
 411};
 412
 413static struct resource dm646x_mdio_resources[] = {
 414        {
 415                .start  = DM646X_EMAC_MDIO_BASE,
 416                .end    = DM646X_EMAC_MDIO_BASE + SZ_4K - 1,
 417                .flags  = IORESOURCE_MEM,
 418        },
 419};
 420
 421static struct platform_device dm646x_mdio_device = {
 422        .name           = "davinci_mdio",
 423        .id             = 0,
 424        .num_resources  = ARRAY_SIZE(dm646x_mdio_resources),
 425        .resource       = dm646x_mdio_resources,
 426};
 427
 428/*
 429 * Device specific mux setup
 430 *
 431 *      soc     description     mux  mode   mode  mux    dbg
 432 *                              reg  offset mask  mode
 433 */
 434static const struct mux_config dm646x_pins[] = {
 435#ifdef CONFIG_DAVINCI_MUX
 436MUX_CFG(DM646X, ATAEN,          0,   0,     5,    1,     true)
 437
 438MUX_CFG(DM646X, AUDCK1,         0,   29,    1,    0,     false)
 439
 440MUX_CFG(DM646X, AUDCK0,         0,   28,    1,    0,     false)
 441
 442MUX_CFG(DM646X, CRGMUX,                 0,   24,    7,    5,     true)
 443
 444MUX_CFG(DM646X, STSOMUX_DISABLE,        0,   22,    3,    0,     true)
 445
 446MUX_CFG(DM646X, STSIMUX_DISABLE,        0,   20,    3,    0,     true)
 447
 448MUX_CFG(DM646X, PTSOMUX_DISABLE,        0,   18,    3,    0,     true)
 449
 450MUX_CFG(DM646X, PTSIMUX_DISABLE,        0,   16,    3,    0,     true)
 451
 452MUX_CFG(DM646X, STSOMUX,                0,   22,    3,    2,     true)
 453
 454MUX_CFG(DM646X, STSIMUX,                0,   20,    3,    2,     true)
 455
 456MUX_CFG(DM646X, PTSOMUX_PARALLEL,       0,   18,    3,    2,     true)
 457
 458MUX_CFG(DM646X, PTSIMUX_PARALLEL,       0,   16,    3,    2,     true)
 459
 460MUX_CFG(DM646X, PTSOMUX_SERIAL,         0,   18,    3,    3,     true)
 461
 462MUX_CFG(DM646X, PTSIMUX_SERIAL,         0,   16,    3,    3,     true)
 463#endif
 464};
 465
 466static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 467        [IRQ_DM646X_VP_VERTINT0]        = 7,
 468        [IRQ_DM646X_VP_VERTINT1]        = 7,
 469        [IRQ_DM646X_VP_VERTINT2]        = 7,
 470        [IRQ_DM646X_VP_VERTINT3]        = 7,
 471        [IRQ_DM646X_VP_ERRINT]          = 7,
 472        [IRQ_DM646X_RESERVED_1]         = 7,
 473        [IRQ_DM646X_RESERVED_2]         = 7,
 474        [IRQ_DM646X_WDINT]              = 7,
 475        [IRQ_DM646X_CRGENINT0]          = 7,
 476        [IRQ_DM646X_CRGENINT1]          = 7,
 477        [IRQ_DM646X_TSIFINT0]           = 7,
 478        [IRQ_DM646X_TSIFINT1]           = 7,
 479        [IRQ_DM646X_VDCEINT]            = 7,
 480        [IRQ_DM646X_USBINT]             = 7,
 481        [IRQ_DM646X_USBDMAINT]          = 7,
 482        [IRQ_DM646X_PCIINT]             = 7,
 483        [IRQ_CCINT0]                    = 7,    /* dma */
 484        [IRQ_CCERRINT]                  = 7,    /* dma */
 485        [IRQ_TCERRINT0]                 = 7,    /* dma */
 486        [IRQ_TCERRINT]                  = 7,    /* dma */
 487        [IRQ_DM646X_TCERRINT2]          = 7,
 488        [IRQ_DM646X_TCERRINT3]          = 7,
 489        [IRQ_DM646X_IDE]                = 7,
 490        [IRQ_DM646X_HPIINT]             = 7,
 491        [IRQ_DM646X_EMACRXTHINT]        = 7,
 492        [IRQ_DM646X_EMACRXINT]          = 7,
 493        [IRQ_DM646X_EMACTXINT]          = 7,
 494        [IRQ_DM646X_EMACMISCINT]        = 7,
 495        [IRQ_DM646X_MCASP0TXINT]        = 7,
 496        [IRQ_DM646X_MCASP0RXINT]        = 7,
 497        [IRQ_DM646X_RESERVED_3]         = 7,
 498        [IRQ_DM646X_MCASP1TXINT]        = 7,    /* clockevent */
 499        [IRQ_TINT0_TINT34]              = 7,    /* clocksource */
 500        [IRQ_TINT1_TINT12]              = 7,    /* DSP timer */
 501        [IRQ_TINT1_TINT34]              = 7,    /* system tick */
 502        [IRQ_PWMINT0]                   = 7,
 503        [IRQ_PWMINT1]                   = 7,
 504        [IRQ_DM646X_VLQINT]             = 7,
 505        [IRQ_I2C]                       = 7,
 506        [IRQ_UARTINT0]                  = 7,
 507        [IRQ_UARTINT1]                  = 7,
 508        [IRQ_DM646X_UARTINT2]           = 7,
 509        [IRQ_DM646X_SPINT0]             = 7,
 510        [IRQ_DM646X_SPINT1]             = 7,
 511        [IRQ_DM646X_DSP2ARMINT]         = 7,
 512        [IRQ_DM646X_RESERVED_4]         = 7,
 513        [IRQ_DM646X_PSCINT]             = 7,
 514        [IRQ_DM646X_GPIO0]              = 7,
 515        [IRQ_DM646X_GPIO1]              = 7,
 516        [IRQ_DM646X_GPIO2]              = 7,
 517        [IRQ_DM646X_GPIO3]              = 7,
 518        [IRQ_DM646X_GPIO4]              = 7,
 519        [IRQ_DM646X_GPIO5]              = 7,
 520        [IRQ_DM646X_GPIO6]              = 7,
 521        [IRQ_DM646X_GPIO7]              = 7,
 522        [IRQ_DM646X_GPIOBNK0]           = 7,
 523        [IRQ_DM646X_GPIOBNK1]           = 7,
 524        [IRQ_DM646X_GPIOBNK2]           = 7,
 525        [IRQ_DM646X_DDRINT]             = 7,
 526        [IRQ_DM646X_AEMIFINT]           = 7,
 527        [IRQ_COMMTX]                    = 7,
 528        [IRQ_COMMRX]                    = 7,
 529        [IRQ_EMUINT]                    = 7,
 530};
 531
 532/*----------------------------------------------------------------------*/
 533
 534/* Four Transfer Controllers on DM646x */
 535static s8 dm646x_queue_priority_mapping[][2] = {
 536        /* {event queue no, Priority} */
 537        {0, 4},
 538        {1, 0},
 539        {2, 5},
 540        {3, 1},
 541        {-1, -1},
 542};
 543
 544static const struct dma_slave_map dm646x_edma_map[] = {
 545        { "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 6) },
 546        { "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 9) },
 547        { "davinci-mcasp.1", "tx", EDMA_FILTER_PARAM(0, 12) },
 548        { "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },
 549        { "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },
 550};
 551
 552static struct edma_soc_info dm646x_edma_pdata = {
 553        .queue_priority_mapping = dm646x_queue_priority_mapping,
 554        .default_queue          = EVENTQ_1,
 555        .slave_map              = dm646x_edma_map,
 556        .slavecnt               = ARRAY_SIZE(dm646x_edma_map),
 557};
 558
 559static struct resource edma_resources[] = {
 560        {
 561                .name   = "edma3_cc",
 562                .start  = 0x01c00000,
 563                .end    = 0x01c00000 + SZ_64K - 1,
 564                .flags  = IORESOURCE_MEM,
 565        },
 566        {
 567                .name   = "edma3_tc0",
 568                .start  = 0x01c10000,
 569                .end    = 0x01c10000 + SZ_1K - 1,
 570                .flags  = IORESOURCE_MEM,
 571        },
 572        {
 573                .name   = "edma3_tc1",
 574                .start  = 0x01c10400,
 575                .end    = 0x01c10400 + SZ_1K - 1,
 576                .flags  = IORESOURCE_MEM,
 577        },
 578        {
 579                .name   = "edma3_tc2",
 580                .start  = 0x01c10800,
 581                .end    = 0x01c10800 + SZ_1K - 1,
 582                .flags  = IORESOURCE_MEM,
 583        },
 584        {
 585                .name   = "edma3_tc3",
 586                .start  = 0x01c10c00,
 587                .end    = 0x01c10c00 + SZ_1K - 1,
 588                .flags  = IORESOURCE_MEM,
 589        },
 590        {
 591                .name   = "edma3_ccint",
 592                .start  = IRQ_CCINT0,
 593                .flags  = IORESOURCE_IRQ,
 594        },
 595        {
 596                .name   = "edma3_ccerrint",
 597                .start  = IRQ_CCERRINT,
 598                .flags  = IORESOURCE_IRQ,
 599        },
 600        /* not using TC*_ERR */
 601};
 602
 603static const struct platform_device_info dm646x_edma_device __initconst = {
 604        .name           = "edma",
 605        .id             = 0,
 606        .dma_mask       = DMA_BIT_MASK(32),
 607        .res            = edma_resources,
 608        .num_res        = ARRAY_SIZE(edma_resources),
 609        .data           = &dm646x_edma_pdata,
 610        .size_data      = sizeof(dm646x_edma_pdata),
 611};
 612
 613static struct resource dm646x_mcasp0_resources[] = {
 614        {
 615                .name   = "mpu",
 616                .start  = DAVINCI_DM646X_MCASP0_REG_BASE,
 617                .end    = DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1,
 618                .flags  = IORESOURCE_MEM,
 619        },
 620        {
 621                .name   = "tx",
 622                .start  = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
 623                .end    = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
 624                .flags  = IORESOURCE_DMA,
 625        },
 626        {
 627                .name   = "rx",
 628                .start  = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
 629                .end    = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
 630                .flags  = IORESOURCE_DMA,
 631        },
 632        {
 633                .name   = "tx",
 634                .start  = IRQ_DM646X_MCASP0TXINT,
 635                .flags  = IORESOURCE_IRQ,
 636        },
 637        {
 638                .name   = "rx",
 639                .start  = IRQ_DM646X_MCASP0RXINT,
 640                .flags  = IORESOURCE_IRQ,
 641        },
 642};
 643
 644/* DIT mode only, rx is not supported */
 645static struct resource dm646x_mcasp1_resources[] = {
 646        {
 647                .name   = "mpu",
 648                .start  = DAVINCI_DM646X_MCASP1_REG_BASE,
 649                .end    = DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1,
 650                .flags  = IORESOURCE_MEM,
 651        },
 652        {
 653                .name   = "tx",
 654                .start  = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
 655                .end    = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
 656                .flags  = IORESOURCE_DMA,
 657        },
 658        {
 659                .name   = "tx",
 660                .start  = IRQ_DM646X_MCASP1TXINT,
 661                .flags  = IORESOURCE_IRQ,
 662        },
 663};
 664
 665static struct platform_device dm646x_mcasp0_device = {
 666        .name           = "davinci-mcasp",
 667        .id             = 0,
 668        .num_resources  = ARRAY_SIZE(dm646x_mcasp0_resources),
 669        .resource       = dm646x_mcasp0_resources,
 670};
 671
 672static struct platform_device dm646x_mcasp1_device = {
 673        .name           = "davinci-mcasp",
 674        .id             = 1,
 675        .num_resources  = ARRAY_SIZE(dm646x_mcasp1_resources),
 676        .resource       = dm646x_mcasp1_resources,
 677};
 678
 679static struct platform_device dm646x_dit_device = {
 680        .name   = "spdif-dit",
 681        .id     = -1,
 682};
 683
 684static u64 vpif_dma_mask = DMA_BIT_MASK(32);
 685
 686static struct resource vpif_resource[] = {
 687        {
 688                .start  = DAVINCI_VPIF_BASE,
 689                .end    = DAVINCI_VPIF_BASE + 0x03ff,
 690                .flags  = IORESOURCE_MEM,
 691        }
 692};
 693
 694static struct platform_device vpif_dev = {
 695        .name           = "vpif",
 696        .id             = -1,
 697        .dev            = {
 698                        .dma_mask               = &vpif_dma_mask,
 699                        .coherent_dma_mask      = DMA_BIT_MASK(32),
 700        },
 701        .resource       = vpif_resource,
 702        .num_resources  = ARRAY_SIZE(vpif_resource),
 703};
 704
 705static struct resource vpif_display_resource[] = {
 706        {
 707                .start = IRQ_DM646X_VP_VERTINT2,
 708                .end   = IRQ_DM646X_VP_VERTINT2,
 709                .flags = IORESOURCE_IRQ,
 710        },
 711        {
 712                .start = IRQ_DM646X_VP_VERTINT3,
 713                .end   = IRQ_DM646X_VP_VERTINT3,
 714                .flags = IORESOURCE_IRQ,
 715        },
 716};
 717
 718static struct platform_device vpif_display_dev = {
 719        .name           = "vpif_display",
 720        .id             = -1,
 721        .dev            = {
 722                        .dma_mask               = &vpif_dma_mask,
 723                        .coherent_dma_mask      = DMA_BIT_MASK(32),
 724        },
 725        .resource       = vpif_display_resource,
 726        .num_resources  = ARRAY_SIZE(vpif_display_resource),
 727};
 728
 729static struct resource vpif_capture_resource[] = {
 730        {
 731                .start = IRQ_DM646X_VP_VERTINT0,
 732                .end   = IRQ_DM646X_VP_VERTINT0,
 733                .flags = IORESOURCE_IRQ,
 734        },
 735        {
 736                .start = IRQ_DM646X_VP_VERTINT1,
 737                .end   = IRQ_DM646X_VP_VERTINT1,
 738                .flags = IORESOURCE_IRQ,
 739        },
 740};
 741
 742static struct platform_device vpif_capture_dev = {
 743        .name           = "vpif_capture",
 744        .id             = -1,
 745        .dev            = {
 746                        .dma_mask               = &vpif_dma_mask,
 747                        .coherent_dma_mask      = DMA_BIT_MASK(32),
 748        },
 749        .resource       = vpif_capture_resource,
 750        .num_resources  = ARRAY_SIZE(vpif_capture_resource),
 751};
 752
 753static struct resource dm646x_gpio_resources[] = {
 754        {       /* registers */
 755                .start  = DAVINCI_GPIO_BASE,
 756                .end    = DAVINCI_GPIO_BASE + SZ_4K - 1,
 757                .flags  = IORESOURCE_MEM,
 758        },
 759        {       /* interrupt */
 760                .start  = IRQ_DM646X_GPIOBNK0,
 761                .end    = IRQ_DM646X_GPIOBNK2,
 762                .flags  = IORESOURCE_IRQ,
 763        },
 764};
 765
 766static struct davinci_gpio_platform_data dm646x_gpio_platform_data = {
 767        .ngpio          = 43,
 768};
 769
 770int __init dm646x_gpio_register(void)
 771{
 772        return davinci_gpio_register(dm646x_gpio_resources,
 773                                     ARRAY_SIZE(dm646x_gpio_resources),
 774                                     &dm646x_gpio_platform_data);
 775}
 776/*----------------------------------------------------------------------*/
 777
 778static struct map_desc dm646x_io_desc[] = {
 779        {
 780                .virtual        = IO_VIRT,
 781                .pfn            = __phys_to_pfn(IO_PHYS),
 782                .length         = IO_SIZE,
 783                .type           = MT_DEVICE
 784        },
 785};
 786
 787/* Contents of JTAG ID register used to identify exact cpu type */
 788static struct davinci_id dm646x_ids[] = {
 789        {
 790                .variant        = 0x0,
 791                .part_no        = 0xb770,
 792                .manufacturer   = 0x017,
 793                .cpu_id         = DAVINCI_CPU_ID_DM6467,
 794                .name           = "dm6467_rev1.x",
 795        },
 796        {
 797                .variant        = 0x1,
 798                .part_no        = 0xb770,
 799                .manufacturer   = 0x017,
 800                .cpu_id         = DAVINCI_CPU_ID_DM6467,
 801                .name           = "dm6467_rev3.x",
 802        },
 803};
 804
 805static u32 dm646x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
 806
 807/*
 808 * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
 809 * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
 810 * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
 811 * T1_TOP: Timer 1, top   :  <unused>
 812 */
 813static struct davinci_timer_info dm646x_timer_info = {
 814        .timers         = davinci_timer_instance,
 815        .clockevent_id  = T0_BOT,
 816        .clocksource_id = T0_TOP,
 817};
 818
 819static struct plat_serial8250_port dm646x_serial0_platform_data[] = {
 820        {
 821                .mapbase        = DAVINCI_UART0_BASE,
 822                .irq            = IRQ_UARTINT0,
 823                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 824                                  UPF_IOREMAP,
 825                .iotype         = UPIO_MEM32,
 826                .regshift       = 2,
 827        },
 828        {
 829                .flags  = 0,
 830        }
 831};
 832static struct plat_serial8250_port dm646x_serial1_platform_data[] = {
 833        {
 834                .mapbase        = DAVINCI_UART1_BASE,
 835                .irq            = IRQ_UARTINT1,
 836                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 837                                  UPF_IOREMAP,
 838                .iotype         = UPIO_MEM32,
 839                .regshift       = 2,
 840        },
 841        {
 842                .flags  = 0,
 843        }
 844};
 845static struct plat_serial8250_port dm646x_serial2_platform_data[] = {
 846        {
 847                .mapbase        = DAVINCI_UART2_BASE,
 848                .irq            = IRQ_DM646X_UARTINT2,
 849                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 850                                  UPF_IOREMAP,
 851                .iotype         = UPIO_MEM32,
 852                .regshift       = 2,
 853        },
 854        {
 855                .flags  = 0,
 856        }
 857};
 858
 859struct platform_device dm646x_serial_device[] = {
 860        {
 861                .name                   = "serial8250",
 862                .id                     = PLAT8250_DEV_PLATFORM,
 863                .dev                    = {
 864                        .platform_data  = dm646x_serial0_platform_data,
 865                }
 866        },
 867        {
 868                .name                   = "serial8250",
 869                .id                     = PLAT8250_DEV_PLATFORM1,
 870                .dev                    = {
 871                        .platform_data  = dm646x_serial1_platform_data,
 872                }
 873        },
 874        {
 875                .name                   = "serial8250",
 876                .id                     = PLAT8250_DEV_PLATFORM2,
 877                .dev                    = {
 878                        .platform_data  = dm646x_serial2_platform_data,
 879                }
 880        },
 881        {
 882        }
 883};
 884
 885static struct davinci_soc_info davinci_soc_info_dm646x = {
 886        .io_desc                = dm646x_io_desc,
 887        .io_desc_num            = ARRAY_SIZE(dm646x_io_desc),
 888        .jtag_id_reg            = 0x01c40028,
 889        .ids                    = dm646x_ids,
 890        .ids_num                = ARRAY_SIZE(dm646x_ids),
 891        .cpu_clks               = dm646x_clks,
 892        .psc_bases              = dm646x_psc_bases,
 893        .psc_bases_num          = ARRAY_SIZE(dm646x_psc_bases),
 894        .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
 895        .pinmux_pins            = dm646x_pins,
 896        .pinmux_pins_num        = ARRAY_SIZE(dm646x_pins),
 897        .intc_base              = DAVINCI_ARM_INTC_BASE,
 898        .intc_type              = DAVINCI_INTC_TYPE_AINTC,
 899        .intc_irq_prios         = dm646x_default_priorities,
 900        .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
 901        .timer_info             = &dm646x_timer_info,
 902        .emac_pdata             = &dm646x_emac_pdata,
 903        .sram_dma               = 0x10010000,
 904        .sram_len               = SZ_32K,
 905};
 906
 907void __init dm646x_init_mcasp0(struct snd_platform_data *pdata)
 908{
 909        dm646x_mcasp0_device.dev.platform_data = pdata;
 910        platform_device_register(&dm646x_mcasp0_device);
 911}
 912
 913void __init dm646x_init_mcasp1(struct snd_platform_data *pdata)
 914{
 915        dm646x_mcasp1_device.dev.platform_data = pdata;
 916        platform_device_register(&dm646x_mcasp1_device);
 917        platform_device_register(&dm646x_dit_device);
 918}
 919
 920void dm646x_setup_vpif(struct vpif_display_config *display_config,
 921                       struct vpif_capture_config *capture_config)
 922{
 923        unsigned int value;
 924
 925        value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
 926        value &= ~VSCLKDIS_MASK;
 927        __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
 928
 929        value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN));
 930        value &= ~VDD3P3V_VID_MASK;
 931        __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN));
 932
 933        davinci_cfg_reg(DM646X_STSOMUX_DISABLE);
 934        davinci_cfg_reg(DM646X_STSIMUX_DISABLE);
 935        davinci_cfg_reg(DM646X_PTSOMUX_DISABLE);
 936        davinci_cfg_reg(DM646X_PTSIMUX_DISABLE);
 937
 938        vpif_display_dev.dev.platform_data = display_config;
 939        vpif_capture_dev.dev.platform_data = capture_config;
 940        platform_device_register(&vpif_dev);
 941        platform_device_register(&vpif_display_dev);
 942        platform_device_register(&vpif_capture_dev);
 943}
 944
 945int __init dm646x_init_edma(struct edma_rsv_info *rsv)
 946{
 947        struct platform_device *edma_pdev;
 948
 949        dm646x_edma_pdata.rsv = rsv;
 950
 951        edma_pdev = platform_device_register_full(&dm646x_edma_device);
 952        return IS_ERR(edma_pdev) ? PTR_ERR(edma_pdev) : 0;
 953}
 954
 955void __init dm646x_init(void)
 956{
 957        davinci_common_init(&davinci_soc_info_dm646x);
 958        davinci_map_sysmod();
 959        davinci_clk_init(davinci_soc_info_dm646x.cpu_clks);
 960}
 961
 962static int __init dm646x_init_devices(void)
 963{
 964        int ret = 0;
 965
 966        if (!cpu_is_davinci_dm646x())
 967                return 0;
 968
 969        platform_device_register(&dm646x_mdio_device);
 970        platform_device_register(&dm646x_emac_device);
 971
 972        ret = davinci_init_wdt();
 973        if (ret)
 974                pr_warn("%s: watchdog init failed: %d\n", __func__, ret);
 975
 976        return ret;
 977}
 978postcore_initcall(dm646x_init_devices);
 979