arch/arm/mach-davinci/da850.c

   1 /*
   2  * TI DA850/OMAP-L138 chip specific setup
   3  *
   4  * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
   5  *
   6  * Derived from: arch/arm/mach-davinci/da830.c
   7  * Original Copyrights follow:
   8  *
   9  * 2009 (c) MontaVista Software, Inc. This file is licensed under
  10  * the terms of the GNU General Public License version 2. This program
  11  * is licensed "as is" without any warranty of any kind, whether express
  12  * or implied.
  13  */
  14 #include <linux/gpio.h>
  15 #include <linux/init.h>
  16 #include <linux/clk.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/cpufreq.h>
  19 #include <linux/regulator/consumer.h>
  20
  21 #include <asm/mach/map.h>
  22
  23 #include <mach/psc.h>
  24 #include <mach/irqs.h>
  25 #include <mach/cputype.h>
  26 #include <mach/common.h>
  27 #include <mach/time.h>
  28 #include <mach/da8xx.h>
  29 #include <mach/cpufreq.h>
  30 #include <mach/pm.h>
  31 #include <mach/gpio-davinci.h>
  32
  33 #include "clock.h"
  34 #include "mux.h"
  35
  36 /* SoC specific clock flags */
  37 #define DA850_CLK_ASYNC3        BIT(16)
  38
  39 #define DA850_PLL1_BASE         0x01e1a000
  40 #define DA850_TIMER64P2_BASE    0x01f0c000
  41 #define DA850_TIMER64P3_BASE    0x01f0d000
  42
  43 #define DA850_REF_FREQ          24000000
  44
  45 #define CFGCHIP3_ASYNC3_CLKSRC  BIT(4)
  46 #define CFGCHIP3_PLL1_MASTER_LOCK       BIT(5)
  47 #define CFGCHIP0_PLL_MASTER_LOCK        BIT(4)
  48
  49 static int da850_set_armrate(struct clk *clk, unsigned long rate);
  50 static int da850_round_armrate(struct clk *clk, unsigned long rate);
  51 static int da850_set_pll0rate(struct clk *clk, unsigned long armrate);
  52
  53 static struct pll_data pll0_data = {
  54         .num            = 1,
  55         .phys_base      = DA8XX_PLL0_BASE,
  56         .flags          = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
  57 };
  58
  59 static struct clk ref_clk = {
  60         .name           = "ref_clk",
  61         .rate           = DA850_REF_FREQ,
  62         .set_rate       = davinci_simple_set_rate,
  63 };
  64
  65 static struct clk pll0_clk = {
  66         .name           = "pll0",
  67         .parent         = &ref_clk,
  68         .pll_data       = &pll0_data,
  69         .flags          = CLK_PLL,
  70         .set_rate       = da850_set_pll0rate,
  71 };
  72
  73 static struct clk pll0_aux_clk = {
  74         .name           = "pll0_aux_clk",
  75         .parent         = &pll0_clk,
  76         .flags          = CLK_PLL | PRE_PLL,
  77 };
  78
  79 static struct clk pll0_sysclk1 = {
  80         .name           = "pll0_sysclk1",
  81         .parent         = &pll0_clk,
  82         .flags          = CLK_PLL,
  83         .div_reg        = PLLDIV1,
  84 };
  85
  86 static struct clk pll0_sysclk2 = {
  87         .name           = "pll0_sysclk2",
  88         .parent         = &pll0_clk,
  89         .flags          = CLK_PLL,
  90         .div_reg        = PLLDIV2,
  91 };
  92
  93 static struct clk pll0_sysclk3 = {
  94         .name           = "pll0_sysclk3",
  95         .parent         = &pll0_clk,
  96         .flags          = CLK_PLL,
  97         .div_reg        = PLLDIV3,
  98         .set_rate       = davinci_set_sysclk_rate,
  99         .maxrate        = 100000000,
 100 };
 101
 102 static struct clk pll0_sysclk4 = {
 103         .name           = "pll0_sysclk4",
 104         .parent         = &pll0_clk,
 105         .flags          = CLK_PLL,
 106         .div_reg        = PLLDIV4,
 107 };
 108
 109 static struct clk pll0_sysclk5 = {
 110         .name           = "pll0_sysclk5",
 111         .parent         = &pll0_clk,
 112         .flags          = CLK_PLL,
 113         .div_reg        = PLLDIV5,
 114 };
 115
 116 static struct clk pll0_sysclk6 = {
 117         .name           = "pll0_sysclk6",
 118         .parent         = &pll0_clk,
 119         .flags          = CLK_PLL,
 120         .div_reg        = PLLDIV6,
 121 };
 122
 123 static struct clk pll0_sysclk7 = {
 124         .name           = "pll0_sysclk7",
 125         .parent         = &pll0_clk,
 126         .flags          = CLK_PLL,
 127         .div_reg        = PLLDIV7,
 128 };
 129
 130 static struct pll_data pll1_data = {
 131         .num            = 2,
 132         .phys_base      = DA850_PLL1_BASE,
 133         .flags          = PLL_HAS_POSTDIV,
 134 };
 135
 136 static struct clk pll1_clk = {
 137         .name           = "pll1",
 138         .parent         = &ref_clk,
 139         .pll_data       = &pll1_data,
 140         .flags          = CLK_PLL,
 141 };
 142
 143 static struct clk pll1_aux_clk = {
 144         .name           = "pll1_aux_clk",
 145         .parent         = &pll1_clk,
 146         .flags          = CLK_PLL | PRE_PLL,
 147 };
 148
 149 static struct clk pll1_sysclk2 = {
 150         .name           = "pll1_sysclk2",
 151         .parent         = &pll1_clk,
 152         .flags          = CLK_PLL,
 153         .div_reg        = PLLDIV2,
 154 };
 155
 156 static struct clk pll1_sysclk3 = {
 157         .name           = "pll1_sysclk3",
 158         .parent         = &pll1_clk,
 159         .flags          = CLK_PLL,
 160         .div_reg        = PLLDIV3,
 161 };
 162
 163 static struct clk i2c0_clk = {
 164         .name           = "i2c0",
 165         .parent         = &pll0_aux_clk,
 166 };
 167
 168 static struct clk timerp64_0_clk = {
 169         .name           = "timer0",
 170         .parent         = &pll0_aux_clk,
 171 };
 172
 173 static struct clk timerp64_1_clk = {
 174         .name           = "timer1",
 175         .parent         = &pll0_aux_clk,
 176 };
 177
 178 static struct clk arm_rom_clk = {
 179         .name           = "arm_rom",
 180         .parent         = &pll0_sysclk2,
 181         .lpsc           = DA8XX_LPSC0_ARM_RAM_ROM,
 182         .flags          = ALWAYS_ENABLED,
 183 };
 184
 185 static struct clk tpcc0_clk = {
 186         .name           = "tpcc0",
 187         .parent         = &pll0_sysclk2,
 188         .lpsc           = DA8XX_LPSC0_TPCC,
 189         .flags          = ALWAYS_ENABLED | CLK_PSC,
 190 };
 191
 192 static struct clk tptc0_clk = {
 193         .name           = "tptc0",
 194         .parent         = &pll0_sysclk2,
 195         .lpsc           = DA8XX_LPSC0_TPTC0,
 196         .flags          = ALWAYS_ENABLED,
 197 };
 198
 199 static struct clk tptc1_clk = {
 200         .name           = "tptc1",
 201         .parent         = &pll0_sysclk2,
 202         .lpsc           = DA8XX_LPSC0_TPTC1,
 203         .flags          = ALWAYS_ENABLED,
 204 };
 205
 206 static struct clk tpcc1_clk = {
 207         .name           = "tpcc1",
 208         .parent         = &pll0_sysclk2,
 209         .lpsc           = DA850_LPSC1_TPCC1,
 210         .gpsc           = 1,
 211         .flags          = CLK_PSC | ALWAYS_ENABLED,
 212 };
 213
 214 static struct clk tptc2_clk = {
 215         .name           = "tptc2",
 216         .parent         = &pll0_sysclk2,
 217         .lpsc           = DA850_LPSC1_TPTC2,
 218         .gpsc           = 1,
 219         .flags          = ALWAYS_ENABLED,
 220 };
 221
 222 static struct clk pruss_clk = {
 223         .name           = "pruss",
 224         .parent         = &pll0_sysclk2,
 225         .lpsc           = DA8XX_LPSC0_PRUSS,
 226 };
 227
 228 static struct clk uart0_clk = {
 229         .name           = "uart0",
 230         .parent         = &pll0_sysclk2,
 231         .lpsc           = DA8XX_LPSC0_UART0,
 232 };
 233
 234 static struct clk uart1_clk = {
 235         .name           = "uart1",
 236         .parent         = &pll0_sysclk2,
 237         .lpsc           = DA8XX_LPSC1_UART1,
 238         .gpsc           = 1,
 239         .flags          = DA850_CLK_ASYNC3,
 240 };
 241
 242 static struct clk uart2_clk = {
 243         .name           = "uart2",
 244         .parent         = &pll0_sysclk2,
 245         .lpsc           = DA8XX_LPSC1_UART2,
 246         .gpsc           = 1,
 247         .flags          = DA850_CLK_ASYNC3,
 248 };
 249
 250 static struct clk aintc_clk = {
 251         .name           = "aintc",
 252         .parent         = &pll0_sysclk4,
 253         .lpsc           = DA8XX_LPSC0_AINTC,
 254         .flags          = ALWAYS_ENABLED,
 255 };
 256
 257 static struct clk gpio_clk = {
 258         .name           = "gpio",
 259         .parent         = &pll0_sysclk4,
 260         .lpsc           = DA8XX_LPSC1_GPIO,
 261         .gpsc           = 1,
 262 };
 263
 264 static struct clk i2c1_clk = {
 265         .name           = "i2c1",
 266         .parent         = &pll0_sysclk4,
 267         .lpsc           = DA8XX_LPSC1_I2C,
 268         .gpsc           = 1,
 269 };
 270
 271 static struct clk emif3_clk = {
 272         .name           = "emif3",
 273         .parent         = &pll0_sysclk5,
 274         .lpsc           = DA8XX_LPSC1_EMIF3C,
 275         .gpsc           = 1,
 276         .flags          = ALWAYS_ENABLED,
 277 };
 278
 279 static struct clk arm_clk = {
 280         .name           = "arm",
 281         .parent         = &pll0_sysclk6,
 282         .lpsc           = DA8XX_LPSC0_ARM,
 283         .flags          = ALWAYS_ENABLED,
 284         .set_rate       = da850_set_armrate,
 285         .round_rate     = da850_round_armrate,
 286 };
 287
 288 static struct clk rmii_clk = {
 289         .name           = "rmii",
 290         .parent         = &pll0_sysclk7,
 291 };
 292
 293 static struct clk emac_clk = {
 294         .name           = "emac",
 295         .parent         = &pll0_sysclk4,
 296         .lpsc           = DA8XX_LPSC1_CPGMAC,
 297         .gpsc           = 1,
 298 };
 299
 300 static struct clk mcasp_clk = {
 301         .name           = "mcasp",
 302         .parent         = &pll0_sysclk2,
 303         .lpsc           = DA8XX_LPSC1_McASP0,
 304         .gpsc           = 1,
 305         .flags          = DA850_CLK_ASYNC3,
 306 };
 307
 308 static struct clk lcdc_clk = {
 309         .name           = "lcdc",
 310         .parent         = &pll0_sysclk2,
 311         .lpsc           = DA8XX_LPSC1_LCDC,
 312         .gpsc           = 1,
 313 };
 314
 315 static struct clk mmcsd0_clk = {
 316         .name           = "mmcsd0",
 317         .parent         = &pll0_sysclk2,
 318         .lpsc           = DA8XX_LPSC0_MMC_SD,
 319 };
 320
 321 static struct clk mmcsd1_clk = {
 322         .name           = "mmcsd1",
 323         .parent         = &pll0_sysclk2,
 324         .lpsc           = DA850_LPSC1_MMC_SD1,
 325         .gpsc           = 1,
 326 };
 327
 328 static struct clk aemif_clk = {
 329         .name           = "aemif",
 330         .parent         = &pll0_sysclk3,
 331         .lpsc           = DA8XX_LPSC0_EMIF25,
 332         .flags          = ALWAYS_ENABLED,
 333 };
 334
 335 static struct clk usb11_clk = {
 336         .name           = "usb11",
 337         .parent         = &pll0_sysclk4,
 338         .lpsc           = DA8XX_LPSC1_USB11,
 339         .gpsc           = 1,
 340 };
 341
 342 static struct clk usb20_clk = {
 343         .name           = "usb20",
 344         .parent         = &pll0_sysclk2,
 345         .lpsc           = DA8XX_LPSC1_USB20,
 346         .gpsc           = 1,
 347 };
 348
 349 static struct clk spi0_clk = {
 350         .name           = "spi0",
 351         .parent         = &pll0_sysclk2,
 352         .lpsc           = DA8XX_LPSC0_SPI0,
 353 };
 354
 355 static struct clk spi1_clk = {
 356         .name           = "spi1",
 357         .parent         = &pll0_sysclk2,
 358         .lpsc           = DA8XX_LPSC1_SPI1,
 359         .gpsc           = 1,
 360         .flags          = DA850_CLK_ASYNC3,
 361 };
 362
 363 static struct clk vpif_clk = {
 364         .name           = "vpif",
 365         .parent         = &pll0_sysclk2,
 366         .lpsc           = DA850_LPSC1_VPIF,
 367         .gpsc           = 1,
 368 };
 369
 370 static struct clk sata_clk = {
 371         .name           = "sata",
 372         .parent         = &pll0_sysclk2,
 373         .lpsc           = DA850_LPSC1_SATA,
 374         .gpsc           = 1,
 375         .flags          = PSC_FORCE,
 376 };
 377
 378 static struct clk dsp_clk = {
 379         .name           = "dsp",
 380         .parent         = &pll0_sysclk1,
 381         .domain         = DAVINCI_GPSC_DSPDOMAIN,
 382         .lpsc           = DA8XX_LPSC0_GEM,
 383         .flags          = PSC_LRST | PSC_FORCE,
 384 };
 385
 386 static struct clk_lookup da850_clks[] = {
 387         CLK(NULL,               "ref",          &ref_clk),
 388         CLK(NULL,               "pll0",         &pll0_clk),
 389         CLK(NULL,               "pll0_aux",     &pll0_aux_clk),
 390         CLK(NULL,               "pll0_sysclk1", &pll0_sysclk1),
 391         CLK(NULL,               "pll0_sysclk2", &pll0_sysclk2),
 392         CLK(NULL,               "pll0_sysclk3", &pll0_sysclk3),
 393         CLK(NULL,               "pll0_sysclk4", &pll0_sysclk4),
 394         CLK(NULL,               "pll0_sysclk5", &pll0_sysclk5),
 395         CLK(NULL,               "pll0_sysclk6", &pll0_sysclk6),
 396         CLK(NULL,               "pll0_sysclk7", &pll0_sysclk7),
 397         CLK(NULL,               "pll1",         &pll1_clk),
 398         CLK(NULL,               "pll1_aux",     &pll1_aux_clk),
 399         CLK(NULL,               "pll1_sysclk2", &pll1_sysclk2),
 400         CLK(NULL,               "pll1_sysclk3", &pll1_sysclk3),
 401         CLK("i2c_davinci.1",    NULL,           &i2c0_clk),
 402         CLK(NULL,               "timer0",       &timerp64_0_clk),
 403         CLK("watchdog",         NULL,           &timerp64_1_clk),
 404         CLK(NULL,               "arm_rom",      &arm_rom_clk),
 405         CLK(NULL,               "tpcc0",        &tpcc0_clk),
 406         CLK(NULL,               "tptc0",        &tptc0_clk),
 407         CLK(NULL,               "tptc1",        &tptc1_clk),
 408         CLK(NULL,               "tpcc1",        &tpcc1_clk),
 409         CLK(NULL,               "tptc2",        &tptc2_clk),
 410         CLK("pruss_uio",        "pruss",        &pruss_clk),
 411         CLK(NULL,               "uart0",        &uart0_clk),
 412         CLK(NULL,               "uart1",        &uart1_clk),
 413         CLK(NULL,               "uart2",        &uart2_clk),
 414         CLK(NULL,               "aintc",        &aintc_clk),
 415         CLK(NULL,               "gpio",         &gpio_clk),
 416         CLK("i2c_davinci.2",    NULL,           &i2c1_clk),
 417         CLK(NULL,               "emif3",        &emif3_clk),
 418         CLK(NULL,               "arm",          &arm_clk),
 419         CLK(NULL,               "rmii",         &rmii_clk),
 420         CLK("davinci_emac.1",   NULL,           &emac_clk),
 421         CLK("davinci-mcasp.0",  NULL,           &mcasp_clk),
 422         CLK("da8xx_lcdc.0",     "fck",          &lcdc_clk),
 423         CLK("davinci_mmc.0",    NULL,           &mmcsd0_clk),
 424         CLK("davinci_mmc.1",    NULL,           &mmcsd1_clk),
 425         CLK(NULL,               "aemif",        &aemif_clk),
 426         CLK(NULL,               "usb11",        &usb11_clk),
 427         CLK(NULL,               "usb20",        &usb20_clk),
 428         CLK("spi_davinci.0",    NULL,           &spi0_clk),
 429         CLK("spi_davinci.1",    NULL,           &spi1_clk),
 430         CLK("vpif",             NULL,           &vpif_clk),
 431         CLK("ahci",             NULL,           &sata_clk),
 432         CLK("davinci-rproc.0",  NULL,           &dsp_clk),
 433         CLK(NULL,               NULL,           NULL),
 434 };
 435
 436 /*
 437  * Device specific mux setup
 438  *
 439  *              soc     description     mux     mode    mode    mux     dbg
 440  *                                      reg     offset  mask    mode
 441  */
 442 static const struct mux_config da850_pins[] = {
 443 #ifdef CONFIG_DAVINCI_MUX
 444         /* UART0 function */
 445         MUX_CFG(DA850, NUART0_CTS,      3,      24,     15,     2,      false)
 446         MUX_CFG(DA850, NUART0_RTS,      3,      28,     15,     2,      false)
 447         MUX_CFG(DA850, UART0_RXD,       3,      16,     15,     2,      false)
 448         MUX_CFG(DA850, UART0_TXD,       3,      20,     15,     2,      false)
 449         /* UART1 function */
 450         MUX_CFG(DA850, UART1_RXD,       4,      24,     15,     2,      false)
 451         MUX_CFG(DA850, UART1_TXD,       4,      28,     15,     2,      false)
 452         /* UART2 function */
 453         MUX_CFG(DA850, UART2_RXD,       4,      16,     15,     2,      false)
 454         MUX_CFG(DA850, UART2_TXD,       4,      20,     15,     2,      false)
 455         /* I2C1 function */
 456         MUX_CFG(DA850, I2C1_SCL,        4,      16,     15,     4,      false)
 457         MUX_CFG(DA850, I2C1_SDA,        4,      20,     15,     4,      false)
 458         /* I2C0 function */
 459         MUX_CFG(DA850, I2C0_SDA,        4,      12,     15,     2,      false)
 460         MUX_CFG(DA850, I2C0_SCL,        4,      8,      15,     2,      false)
 461         /* EMAC function */
 462         MUX_CFG(DA850, MII_TXEN,        2,      4,      15,     8,      false)
 463         MUX_CFG(DA850, MII_TXCLK,       2,      8,      15,     8,      false)
 464         MUX_CFG(DA850, MII_COL,         2,      12,     15,     8,      false)
 465         MUX_CFG(DA850, MII_TXD_3,       2,      16,     15,     8,      false)
 466         MUX_CFG(DA850, MII_TXD_2,       2,      20,     15,     8,      false)
 467         MUX_CFG(DA850, MII_TXD_1,       2,      24,     15,     8,      false)
 468         MUX_CFG(DA850, MII_TXD_0,       2,      28,     15,     8,      false)
 469         MUX_CFG(DA850, MII_RXCLK,       3,      0,      15,     8,      false)
 470         MUX_CFG(DA850, MII_RXDV,        3,      4,      15,     8,      false)
 471         MUX_CFG(DA850, MII_RXER,        3,      8,      15,     8,      false)
 472         MUX_CFG(DA850, MII_CRS,         3,      12,     15,     8,      false)
 473         MUX_CFG(DA850, MII_RXD_3,       3,      16,     15,     8,      false)
 474         MUX_CFG(DA850, MII_RXD_2,       3,      20,     15,     8,      false)
 475         MUX_CFG(DA850, MII_RXD_1,       3,      24,     15,     8,      false)
 476         MUX_CFG(DA850, MII_RXD_0,       3,      28,     15,     8,      false)
 477         MUX_CFG(DA850, MDIO_CLK,        4,      0,      15,     8,      false)
 478         MUX_CFG(DA850, MDIO_D,          4,      4,      15,     8,      false)
 479         MUX_CFG(DA850, RMII_TXD_0,      14,     12,     15,     8,      false)
 480         MUX_CFG(DA850, RMII_TXD_1,      14,     8,      15,     8,      false)
 481         MUX_CFG(DA850, RMII_TXEN,       14,     16,     15,     8,      false)
 482         MUX_CFG(DA850, RMII_CRS_DV,     15,     4,      15,     8,      false)
 483         MUX_CFG(DA850, RMII_RXD_0,      14,     24,     15,     8,      false)
 484         MUX_CFG(DA850, RMII_RXD_1,      14,     20,     15,     8,      false)
 485         MUX_CFG(DA850, RMII_RXER,       14,     28,     15,     8,      false)
 486         MUX_CFG(DA850, RMII_MHZ_50_CLK, 15,     0,      15,     0,      false)
 487         /* McASP function */
 488         MUX_CFG(DA850,  ACLKR,          0,      0,      15,     1,      false)
 489         MUX_CFG(DA850,  ACLKX,          0,      4,      15,     1,      false)
 490         MUX_CFG(DA850,  AFSR,           0,      8,      15,     1,      false)
 491         MUX_CFG(DA850,  AFSX,           0,      12,     15,     1,      false)
 492         MUX_CFG(DA850,  AHCLKR,         0,      16,     15,     1,      false)
 493         MUX_CFG(DA850,  AHCLKX,         0,      20,     15,     1,      false)
 494         MUX_CFG(DA850,  AMUTE,          0,      24,     15,     1,      false)
 495         MUX_CFG(DA850,  AXR_15,         1,      0,      15,     1,      false)
 496         MUX_CFG(DA850,  AXR_14,         1,      4,      15,     1,      false)
 497         MUX_CFG(DA850,  AXR_13,         1,      8,      15,     1,      false)
 498         MUX_CFG(DA850,  AXR_12,         1,      12,     15,     1,      false)
 499         MUX_CFG(DA850,  AXR_11,         1,      16,     15,     1,      false)
 500         MUX_CFG(DA850,  AXR_10,         1,      20,     15,     1,      false)
 501         MUX_CFG(DA850,  AXR_9,          1,      24,     15,     1,      false)
 502         MUX_CFG(DA850,  AXR_8,          1,      28,     15,     1,      false)
 503         MUX_CFG(DA850,  AXR_7,          2,      0,      15,     1,      false)
 504         MUX_CFG(DA850,  AXR_6,          2,      4,      15,     1,      false)
 505         MUX_CFG(DA850,  AXR_5,          2,      8,      15,     1,      false)
 506         MUX_CFG(DA850,  AXR_4,          2,      12,     15,     1,      false)
 507         MUX_CFG(DA850,  AXR_3,          2,      16,     15,     1,      false)
 508         MUX_CFG(DA850,  AXR_2,          2,      20,     15,     1,      false)
 509         MUX_CFG(DA850,  AXR_1,          2,      24,     15,     1,      false)
 510         MUX_CFG(DA850,  AXR_0,          2,      28,     15,     1,      false)
 511         /* LCD function */
 512         MUX_CFG(DA850, LCD_D_7,         16,     8,      15,     2,      false)
 513         MUX_CFG(DA850, LCD_D_6,         16,     12,     15,     2,      false)
 514         MUX_CFG(DA850, LCD_D_5,         16,     16,     15,     2,      false)
 515         MUX_CFG(DA850, LCD_D_4,         16,     20,     15,     2,      false)
 516         MUX_CFG(DA850, LCD_D_3,         16,     24,     15,     2,      false)
 517         MUX_CFG(DA850, LCD_D_2,         16,     28,     15,     2,      false)
 518         MUX_CFG(DA850, LCD_D_1,         17,     0,      15,     2,      false)
 519         MUX_CFG(DA850, LCD_D_0,         17,     4,      15,     2,      false)
 520         MUX_CFG(DA850, LCD_D_15,        17,     8,      15,     2,      false)
 521         MUX_CFG(DA850, LCD_D_14,        17,     12,     15,     2,      false)
 522         MUX_CFG(DA850, LCD_D_13,        17,     16,     15,     2,      false)
 523         MUX_CFG(DA850, LCD_D_12,        17,     20,     15,     2,      false)
 524         MUX_CFG(DA850, LCD_D_11,        17,     24,     15,     2,      false)
 525         MUX_CFG(DA850, LCD_D_10,        17,     28,     15,     2,      false)
 526         MUX_CFG(DA850, LCD_D_9,         18,     0,      15,     2,      false)
 527         MUX_CFG(DA850, LCD_D_8,         18,     4,      15,     2,      false)
 528         MUX_CFG(DA850, LCD_PCLK,        18,     24,     15,     2,      false)
 529         MUX_CFG(DA850, LCD_HSYNC,       19,     0,      15,     2,      false)
 530         MUX_CFG(DA850, LCD_VSYNC,       19,     4,      15,     2,      false)
 531         MUX_CFG(DA850, NLCD_AC_ENB_CS,  19,     24,     15,     2,      false)
 532         /* MMC/SD0 function */
 533         MUX_CFG(DA850, MMCSD0_DAT_0,    10,     8,      15,     2,      false)
 534         MUX_CFG(DA850, MMCSD0_DAT_1,    10,     12,     15,     2,      false)
 535         MUX_CFG(DA850, MMCSD0_DAT_2,    10,     16,     15,     2,      false)
 536         MUX_CFG(DA850, MMCSD0_DAT_3,    10,     20,     15,     2,      false)
 537         MUX_CFG(DA850, MMCSD0_CLK,      10,     0,      15,     2,      false)
 538         MUX_CFG(DA850, MMCSD0_CMD,      10,     4,      15,     2,      false)
 539         /* MMC/SD1 function */
 540         MUX_CFG(DA850, MMCSD1_DAT_0,    18,     8,      15,     2,      false)
 541         MUX_CFG(DA850, MMCSD1_DAT_1,    19,     16,     15,     2,      false)
 542         MUX_CFG(DA850, MMCSD1_DAT_2,    19,     12,     15,     2,      false)
 543         MUX_CFG(DA850, MMCSD1_DAT_3,    19,     8,      15,     2,      false)
 544         MUX_CFG(DA850, MMCSD1_CLK,      18,     12,     15,     2,      false)
 545         MUX_CFG(DA850, MMCSD1_CMD,      18,     16,     15,     2,      false)
 546         /* EMIF2.5/EMIFA function */
 547         MUX_CFG(DA850, EMA_D_7,         9,      0,      15,     1,      false)
 548         MUX_CFG(DA850, EMA_D_6,         9,      4,      15,     1,      false)
 549         MUX_CFG(DA850, EMA_D_5,         9,      8,      15,     1,      false)
 550         MUX_CFG(DA850, EMA_D_4,         9,      12,     15,     1,      false)
 551         MUX_CFG(DA850, EMA_D_3,         9,      16,     15,     1,      false)
 552         MUX_CFG(DA850, EMA_D_2,         9,      20,     15,     1,      false)
 553         MUX_CFG(DA850, EMA_D_1,         9,      24,     15,     1,      false)
 554         MUX_CFG(DA850, EMA_D_0,         9,      28,     15,     1,      false)
 555         MUX_CFG(DA850, EMA_A_1,         12,     24,     15,     1,      false)
 556         MUX_CFG(DA850, EMA_A_2,         12,     20,     15,     1,      false)
 557         MUX_CFG(DA850, NEMA_CS_3,       7,      4,      15,     1,      false)
 558         MUX_CFG(DA850, NEMA_CS_4,       7,      8,      15,     1,      false)
 559         MUX_CFG(DA850, NEMA_WE,         7,      16,     15,     1,      false)
 560         MUX_CFG(DA850, NEMA_OE,         7,      20,     15,     1,      false)
 561         MUX_CFG(DA850, EMA_A_0,         12,     28,     15,     1,      false)
 562         MUX_CFG(DA850, EMA_A_3,         12,     16,     15,     1,      false)
 563         MUX_CFG(DA850, EMA_A_4,         12,     12,     15,     1,      false)
 564         MUX_CFG(DA850, EMA_A_5,         12,     8,      15,     1,      false)
 565         MUX_CFG(DA850, EMA_A_6,         12,     4,      15,     1,      false)
 566         MUX_CFG(DA850, EMA_A_7,         12,     0,      15,     1,      false)
 567         MUX_CFG(DA850, EMA_A_8,         11,     28,     15,     1,      false)
 568         MUX_CFG(DA850, EMA_A_9,         11,     24,     15,     1,      false)
 569         MUX_CFG(DA850, EMA_A_10,        11,     20,     15,     1,      false)
 570         MUX_CFG(DA850, EMA_A_11,        11,     16,     15,     1,      false)
 571         MUX_CFG(DA850, EMA_A_12,        11,     12,     15,     1,      false)
 572         MUX_CFG(DA850, EMA_A_13,        11,     8,      15,     1,      false)
 573         MUX_CFG(DA850, EMA_A_14,        11,     4,      15,     1,      false)
 574         MUX_CFG(DA850, EMA_A_15,        11,     0,      15,     1,      false)
 575         MUX_CFG(DA850, EMA_A_16,        10,     28,     15,     1,      false)
 576         MUX_CFG(DA850, EMA_A_17,        10,     24,     15,     1,      false)
 577         MUX_CFG(DA850, EMA_A_18,        10,     20,     15,     1,      false)
 578         MUX_CFG(DA850, EMA_A_19,        10,     16,     15,     1,      false)
 579         MUX_CFG(DA850, EMA_A_20,        10,     12,     15,     1,      false)
 580         MUX_CFG(DA850, EMA_A_21,        10,     8,      15,     1,      false)
 581         MUX_CFG(DA850, EMA_A_22,        10,     4,      15,     1,      false)
 582         MUX_CFG(DA850, EMA_A_23,        10,     0,      15,     1,      false)
 583         MUX_CFG(DA850, EMA_D_8,         8,      28,     15,     1,      false)
 584         MUX_CFG(DA850, EMA_D_9,         8,      24,     15,     1,      false)
 585         MUX_CFG(DA850, EMA_D_10,        8,      20,     15,     1,      false)
 586         MUX_CFG(DA850, EMA_D_11,        8,      16,     15,     1,      false)
 587         MUX_CFG(DA850, EMA_D_12,        8,      12,     15,     1,      false)
 588         MUX_CFG(DA850, EMA_D_13,        8,      8,      15,     1,      false)
 589         MUX_CFG(DA850, EMA_D_14,        8,      4,      15,     1,      false)
 590         MUX_CFG(DA850, EMA_D_15,        8,      0,      15,     1,      false)
 591         MUX_CFG(DA850, EMA_BA_1,        5,      24,     15,     1,      false)
 592         MUX_CFG(DA850, EMA_CLK,         6,      0,      15,     1,      false)
 593         MUX_CFG(DA850, EMA_WAIT_1,      6,      24,     15,     1,      false)
 594         MUX_CFG(DA850, NEMA_CS_2,       7,      0,      15,     1,      false)
 595         /* GPIO function */
 596         MUX_CFG(DA850, GPIO2_4,         6,      12,     15,     8,      false)
 597         MUX_CFG(DA850, GPIO2_6,         6,      4,      15,     8,      false)
 598         MUX_CFG(DA850, GPIO2_8,         5,      28,     15,     8,      false)
 599         MUX_CFG(DA850, GPIO2_15,        5,      0,      15,     8,      false)
 600         MUX_CFG(DA850, GPIO3_12,        7,      12,     15,     8,      false)
 601         MUX_CFG(DA850, GPIO3_13,        7,      8,      15,     8,      false)
 602         MUX_CFG(DA850, GPIO4_0,         10,     28,     15,     8,      false)
 603         MUX_CFG(DA850, GPIO4_1,         10,     24,     15,     8,      false)
 604         MUX_CFG(DA850, GPIO6_9,         13,     24,     15,     8,      false)
 605         MUX_CFG(DA850, GPIO6_10,        13,     20,     15,     8,      false)
 606         MUX_CFG(DA850, GPIO6_13,        13,     8,      15,     8,      false)
 607         MUX_CFG(DA850, RTC_ALARM,       0,      28,     15,     2,      false)
 608         /* VPIF Capture */
 609         MUX_CFG(DA850, VPIF_DIN0,       15,     4,      15,     1,      false)
 610         MUX_CFG(DA850, VPIF_DIN1,       15,     0,      15,     1,      false)
 611         MUX_CFG(DA850, VPIF_DIN2,       14,     28,     15,     1,      false)
 612         MUX_CFG(DA850, VPIF_DIN3,       14,     24,     15,     1,      false)
 613         MUX_CFG(DA850, VPIF_DIN4,       14,     20,     15,     1,      false)
 614         MUX_CFG(DA850, VPIF_DIN5,       14,     16,     15,     1,      false)
 615         MUX_CFG(DA850, VPIF_DIN6,       14,     12,     15,     1,      false)
 616         MUX_CFG(DA850, VPIF_DIN7,       14,     8,      15,     1,      false)
 617         MUX_CFG(DA850, VPIF_DIN8,       16,     4,      15,     1,      false)
 618         MUX_CFG(DA850, VPIF_DIN9,       16,     0,      15,     1,      false)
 619         MUX_CFG(DA850, VPIF_DIN10,      15,     28,     15,     1,      false)
 620         MUX_CFG(DA850, VPIF_DIN11,      15,     24,     15,     1,      false)
 621         MUX_CFG(DA850, VPIF_DIN12,      15,     20,     15,     1,      false)
 622         MUX_CFG(DA850, VPIF_DIN13,      15,     16,     15,     1,      false)
 623         MUX_CFG(DA850, VPIF_DIN14,      15,     12,     15,     1,      false)
 624         MUX_CFG(DA850, VPIF_DIN15,      15,     8,      15,     1,      false)
 625         MUX_CFG(DA850, VPIF_CLKIN0,     14,     0,      15,     1,      false)
 626         MUX_CFG(DA850, VPIF_CLKIN1,     14,     4,      15,     1,      false)
 627         MUX_CFG(DA850, VPIF_CLKIN2,     19,     8,      15,     1,      false)
 628         MUX_CFG(DA850, VPIF_CLKIN3,     19,     16,     15,     1,      false)
 629         /* VPIF Display */
 630         MUX_CFG(DA850, VPIF_DOUT0,      17,     4,      15,     1,      false)
 631         MUX_CFG(DA850, VPIF_DOUT1,      17,     0,      15,     1,      false)
 632         MUX_CFG(DA850, VPIF_DOUT2,      16,     28,     15,     1,      false)
 633         MUX_CFG(DA850, VPIF_DOUT3,      16,     24,     15,     1,      false)
 634         MUX_CFG(DA850, VPIF_DOUT4,      16,     20,     15,     1,      false)
 635         MUX_CFG(DA850, VPIF_DOUT5,      16,     16,     15,     1,      false)
 636         MUX_CFG(DA850, VPIF_DOUT6,      16,     12,     15,     1,      false)
 637         MUX_CFG(DA850, VPIF_DOUT7,      16,     8,      15,     1,      false)
 638         MUX_CFG(DA850, VPIF_DOUT8,      18,     4,      15,     1,      false)
 639         MUX_CFG(DA850, VPIF_DOUT9,      18,     0,      15,     1,      false)
 640         MUX_CFG(DA850, VPIF_DOUT10,     17,     28,     15,     1,      false)
 641         MUX_CFG(DA850, VPIF_DOUT11,     17,     24,     15,     1,      false)
 642         MUX_CFG(DA850, VPIF_DOUT12,     17,     20,     15,     1,      false)
 643         MUX_CFG(DA850, VPIF_DOUT13,     17,     16,     15,     1,      false)
 644         MUX_CFG(DA850, VPIF_DOUT14,     17,     12,     15,     1,      false)
 645         MUX_CFG(DA850, VPIF_DOUT15,     17,     8,      15,     1,      false)
 646         MUX_CFG(DA850, VPIF_CLKO2,      19,     12,     15,     1,      false)
 647         MUX_CFG(DA850, VPIF_CLKO3,      19,     20,     15,     1,      false)
 648 #endif
 649 };
 650
 651 const short da850_i2c0_pins[] __initconst = {
 652         DA850_I2C0_SDA, DA850_I2C0_SCL,
 653         -1
 654 };
 655
 656 const short da850_i2c1_pins[] __initconst = {
 657         DA850_I2C1_SCL, DA850_I2C1_SDA,
 658         -1
 659 };
 660
 661 const short da850_lcdcntl_pins[] __initconst = {
 662         DA850_LCD_D_0, DA850_LCD_D_1, DA850_LCD_D_2, DA850_LCD_D_3,
 663         DA850_LCD_D_4, DA850_LCD_D_5, DA850_LCD_D_6, DA850_LCD_D_7,
 664         DA850_LCD_D_8, DA850_LCD_D_9, DA850_LCD_D_10, DA850_LCD_D_11,
 665         DA850_LCD_D_12, DA850_LCD_D_13, DA850_LCD_D_14, DA850_LCD_D_15,
 666         DA850_LCD_PCLK, DA850_LCD_HSYNC, DA850_LCD_VSYNC, DA850_NLCD_AC_ENB_CS,
 667         -1
 668 };
 669
 670 const short da850_vpif_capture_pins[] __initdata = {
 671         DA850_VPIF_DIN0, DA850_VPIF_DIN1, DA850_VPIF_DIN2, DA850_VPIF_DIN3,
 672         DA850_VPIF_DIN4, DA850_VPIF_DIN5, DA850_VPIF_DIN6, DA850_VPIF_DIN7,
 673         DA850_VPIF_DIN8, DA850_VPIF_DIN9, DA850_VPIF_DIN10, DA850_VPIF_DIN11,
 674         DA850_VPIF_DIN12, DA850_VPIF_DIN13, DA850_VPIF_DIN14, DA850_VPIF_DIN15,
 675         DA850_VPIF_CLKIN0, DA850_VPIF_CLKIN1, DA850_VPIF_CLKIN2,
 676         DA850_VPIF_CLKIN3,
 677         -1
 678 };
 679
 680 const short da850_vpif_display_pins[] __initdata = {
 681         DA850_VPIF_DOUT0, DA850_VPIF_DOUT1, DA850_VPIF_DOUT2, DA850_VPIF_DOUT3,
 682         DA850_VPIF_DOUT4, DA850_VPIF_DOUT5, DA850_VPIF_DOUT6, DA850_VPIF_DOUT7,
 683         DA850_VPIF_DOUT8, DA850_VPIF_DOUT9, DA850_VPIF_DOUT10,
 684         DA850_VPIF_DOUT11, DA850_VPIF_DOUT12, DA850_VPIF_DOUT13,
 685         DA850_VPIF_DOUT14, DA850_VPIF_DOUT15, DA850_VPIF_CLKO2,
 686         DA850_VPIF_CLKO3,
 687         -1
 688 };
 689
 690 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
 691 static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
 692         [IRQ_DA8XX_COMMTX]              = 7,
 693         [IRQ_DA8XX_COMMRX]              = 7,
 694         [IRQ_DA8XX_NINT]                = 7,
 695         [IRQ_DA8XX_EVTOUT0]             = 7,
 696         [IRQ_DA8XX_EVTOUT1]             = 7,
 697         [IRQ_DA8XX_EVTOUT2]             = 7,
 698         [IRQ_DA8XX_EVTOUT3]             = 7,
 699         [IRQ_DA8XX_EVTOUT4]             = 7,
 700         [IRQ_DA8XX_EVTOUT5]             = 7,
 701         [IRQ_DA8XX_EVTOUT6]             = 7,
 702         [IRQ_DA8XX_EVTOUT7]             = 7,
 703         [IRQ_DA8XX_CCINT0]              = 7,
 704         [IRQ_DA8XX_CCERRINT]            = 7,
 705         [IRQ_DA8XX_TCERRINT0]           = 7,
 706         [IRQ_DA8XX_AEMIFINT]            = 7,
 707         [IRQ_DA8XX_I2CINT0]             = 7,
 708         [IRQ_DA8XX_MMCSDINT0]           = 7,
 709         [IRQ_DA8XX_MMCSDINT1]           = 7,
 710         [IRQ_DA8XX_ALLINT0]             = 7,
 711         [IRQ_DA8XX_RTC]                 = 7,
 712         [IRQ_DA8XX_SPINT0]              = 7,
 713         [IRQ_DA8XX_TINT12_0]            = 7,
 714         [IRQ_DA8XX_TINT34_0]            = 7,
 715         [IRQ_DA8XX_TINT12_1]            = 7,
 716         [IRQ_DA8XX_TINT34_1]            = 7,
 717         [IRQ_DA8XX_UARTINT0]            = 7,
 718         [IRQ_DA8XX_KEYMGRINT]           = 7,
 719         [IRQ_DA850_MPUADDRERR0]         = 7,
 720         [IRQ_DA8XX_CHIPINT0]            = 7,
 721         [IRQ_DA8XX_CHIPINT1]            = 7,
 722         [IRQ_DA8XX_CHIPINT2]            = 7,
 723         [IRQ_DA8XX_CHIPINT3]            = 7,
 724         [IRQ_DA8XX_TCERRINT1]           = 7,
 725         [IRQ_DA8XX_C0_RX_THRESH_PULSE]  = 7,
 726         [IRQ_DA8XX_C0_RX_PULSE]         = 7,
 727         [IRQ_DA8XX_C0_TX_PULSE]         = 7,
 728         [IRQ_DA8XX_C0_MISC_PULSE]       = 7,
 729         [IRQ_DA8XX_C1_RX_THRESH_PULSE]  = 7,
 730         [IRQ_DA8XX_C1_RX_PULSE]         = 7,
 731         [IRQ_DA8XX_C1_TX_PULSE]         = 7,
 732         [IRQ_DA8XX_C1_MISC_PULSE]       = 7,
 733         [IRQ_DA8XX_MEMERR]              = 7,
 734         [IRQ_DA8XX_GPIO0]               = 7,
 735         [IRQ_DA8XX_GPIO1]               = 7,
 736         [IRQ_DA8XX_GPIO2]               = 7,
 737         [IRQ_DA8XX_GPIO3]               = 7,
 738         [IRQ_DA8XX_GPIO4]               = 7,
 739         [IRQ_DA8XX_GPIO5]               = 7,
 740         [IRQ_DA8XX_GPIO6]               = 7,
 741         [IRQ_DA8XX_GPIO7]               = 7,
 742         [IRQ_DA8XX_GPIO8]               = 7,
 743         [IRQ_DA8XX_I2CINT1]             = 7,
 744         [IRQ_DA8XX_LCDINT]              = 7,
 745         [IRQ_DA8XX_UARTINT1]            = 7,
 746         [IRQ_DA8XX_MCASPINT]            = 7,
 747         [IRQ_DA8XX_ALLINT1]             = 7,
 748         [IRQ_DA8XX_SPINT1]              = 7,
 749         [IRQ_DA8XX_UHPI_INT1]           = 7,
 750         [IRQ_DA8XX_USB_INT]             = 7,
 751         [IRQ_DA8XX_IRQN]                = 7,
 752         [IRQ_DA8XX_RWAKEUP]             = 7,
 753         [IRQ_DA8XX_UARTINT2]            = 7,
 754         [IRQ_DA8XX_DFTSSINT]            = 7,
 755         [IRQ_DA8XX_EHRPWM0]             = 7,
 756         [IRQ_DA8XX_EHRPWM0TZ]           = 7,
 757         [IRQ_DA8XX_EHRPWM1]             = 7,
 758         [IRQ_DA8XX_EHRPWM1TZ]           = 7,
 759         [IRQ_DA850_SATAINT]             = 7,
 760         [IRQ_DA850_TINTALL_2]           = 7,
 761         [IRQ_DA8XX_ECAP0]               = 7,
 762         [IRQ_DA8XX_ECAP1]               = 7,
 763         [IRQ_DA8XX_ECAP2]               = 7,
 764         [IRQ_DA850_MMCSDINT0_1]         = 7,
 765         [IRQ_DA850_MMCSDINT1_1]         = 7,
 766         [IRQ_DA850_T12CMPINT0_2]        = 7,
 767         [IRQ_DA850_T12CMPINT1_2]        = 7,
 768         [IRQ_DA850_T12CMPINT2_2]        = 7,
 769         [IRQ_DA850_T12CMPINT3_2]        = 7,
 770         [IRQ_DA850_T12CMPINT4_2]        = 7,
 771         [IRQ_DA850_T12CMPINT5_2]        = 7,
 772         [IRQ_DA850_T12CMPINT6_2]        = 7,
 773         [IRQ_DA850_T12CMPINT7_2]        = 7,
 774         [IRQ_DA850_T12CMPINT0_3]        = 7,
 775         [IRQ_DA850_T12CMPINT1_3]        = 7,
 776         [IRQ_DA850_T12CMPINT2_3]        = 7,
 777         [IRQ_DA850_T12CMPINT3_3]        = 7,
 778         [IRQ_DA850_T12CMPINT4_3]        = 7,
 779         [IRQ_DA850_T12CMPINT5_3]        = 7,
 780         [IRQ_DA850_T12CMPINT6_3]        = 7,
 781         [IRQ_DA850_T12CMPINT7_3]        = 7,
 782         [IRQ_DA850_RPIINT]              = 7,
 783         [IRQ_DA850_VPIFINT]             = 7,
 784         [IRQ_DA850_CCINT1]              = 7,
 785         [IRQ_DA850_CCERRINT1]           = 7,
 786         [IRQ_DA850_TCERRINT2]           = 7,
 787         [IRQ_DA850_TINTALL_3]           = 7,
 788         [IRQ_DA850_MCBSP0RINT]          = 7,
 789         [IRQ_DA850_MCBSP0XINT]          = 7,
 790         [IRQ_DA850_MCBSP1RINT]          = 7,
 791         [IRQ_DA850_MCBSP1XINT]          = 7,
 792         [IRQ_DA8XX_ARMCLKSTOPREQ]       = 7,
 793 };
 794
 795 static struct map_desc da850_io_desc[] = {
 796         {
 797                 .virtual        = IO_VIRT,
 798                 .pfn            = __phys_to_pfn(IO_PHYS),
 799                 .length         = IO_SIZE,
 800                 .type           = MT_DEVICE
 801         },
 802         {
 803                 .virtual        = DA8XX_CP_INTC_VIRT,
 804                 .pfn            = __phys_to_pfn(DA8XX_CP_INTC_BASE),
 805                 .length         = DA8XX_CP_INTC_SIZE,
 806                 .type           = MT_DEVICE
 807         },
 808 };
 809
 810 static u32 da850_psc_bases[] = { DA8XX_PSC0_BASE, DA8XX_PSC1_BASE };
 811
 812 /* Contents of JTAG ID register used to identify exact cpu type */
 813 static struct davinci_id da850_ids[] = {
 814         {
 815                 .variant        = 0x0,
 816                 .part_no        = 0xb7d1,
 817                 .manufacturer   = 0x017,        /* 0x02f >> 1 */
 818                 .cpu_id         = DAVINCI_CPU_ID_DA850,
 819                 .name           = "da850/omap-l138",
 820         },
 821         {
 822                 .variant        = 0x1,
 823                 .part_no        = 0xb7d1,
 824                 .manufacturer   = 0x017,        /* 0x02f >> 1 */
 825                 .cpu_id         = DAVINCI_CPU_ID_DA850,
 826                 .name           = "da850/omap-l138/am18x",
 827         },
 828 };
 829
 830 static struct davinci_timer_instance da850_timer_instance[4] = {
 831         {
 832                 .base           = DA8XX_TIMER64P0_BASE,
 833                 .bottom_irq     = IRQ_DA8XX_TINT12_0,
 834                 .top_irq        = IRQ_DA8XX_TINT34_0,
 835         },
 836         {
 837                 .base           = DA8XX_TIMER64P1_BASE,
 838                 .bottom_irq     = IRQ_DA8XX_TINT12_1,
 839                 .top_irq        = IRQ_DA8XX_TINT34_1,
 840         },
 841         {
 842                 .base           = DA850_TIMER64P2_BASE,
 843                 .bottom_irq     = IRQ_DA850_TINT12_2,
 844                 .top_irq        = IRQ_DA850_TINT34_2,
 845         },
 846         {
 847                 .base           = DA850_TIMER64P3_BASE,
 848                 .bottom_irq     = IRQ_DA850_TINT12_3,
 849                 .top_irq        = IRQ_DA850_TINT34_3,
 850         },
 851 };
 852
 853 /*
 854  * T0_BOT: Timer 0, bottom              : Used for clock_event
 855  * T0_TOP: Timer 0, top                 : Used for clocksource
 856  * T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer
 857  */
 858 static struct davinci_timer_info da850_timer_info = {
 859         .timers         = da850_timer_instance,
 860         .clockevent_id  = T0_BOT,
 861         .clocksource_id = T0_TOP,
 862 };
 863
 864 static void da850_set_async3_src(int pllnum)
 865 {
 866         struct clk *clk, *newparent = pllnum ? &pll1_sysclk2 : &pll0_sysclk2;
 867         struct clk_lookup *c;
 868         unsigned int v;
 869         int ret;
 870
 871         for (c = da850_clks; c->clk; c++) {
 872                 clk = c->clk;
 873                 if (clk->flags & DA850_CLK_ASYNC3) {
 874                         ret = clk_set_parent(clk, newparent);
 875                         WARN(ret, "DA850: unable to re-parent clock %s",
 876                                                                 clk->name);
 877                 }
 878        }
 879
 880         v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
 881         if (pllnum)
 882                 v |= CFGCHIP3_ASYNC3_CLKSRC;
 883         else
 884                 v &= ~CFGCHIP3_ASYNC3_CLKSRC;
 885         __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
 886 }
 887
 888 #ifdef CONFIG_CPU_FREQ
 889 /*
 890  * Notes:
 891  * According to the TRM, minimum PLLM results in maximum power savings.
 892  * The OPP definitions below should keep the PLLM as low as possible.
 893  *
 894  * The output of the PLLM must be between 300 to 600 MHz.
 895  */
 896 struct da850_opp {
 897         unsigned int    freq;   /* in KHz */
 898         unsigned int    prediv;
 899         unsigned int    mult;
 900         unsigned int    postdiv;
 901         unsigned int    cvdd_min; /* in uV */
 902         unsigned int    cvdd_max; /* in uV */
 903 };
 904
 905 static const struct da850_opp da850_opp_456 = {
 906         .freq           = 456000,
 907         .prediv         = 1,
 908         .mult           = 19,
 909         .postdiv        = 1,
 910         .cvdd_min       = 1300000,
 911         .cvdd_max       = 1350000,
 912 };
 913
 914 static const struct da850_opp da850_opp_408 = {
 915         .freq           = 408000,
 916         .prediv         = 1,
 917         .mult           = 17,
 918         .postdiv        = 1,
 919         .cvdd_min       = 1300000,
 920         .cvdd_max       = 1350000,
 921 };
 922
 923 static const struct da850_opp da850_opp_372 = {
 924         .freq           = 372000,
 925         .prediv         = 2,
 926         .mult           = 31,
 927         .postdiv        = 1,
 928         .cvdd_min       = 1200000,
 929         .cvdd_max       = 1320000,
 930 };
 931
 932 static const struct da850_opp da850_opp_300 = {
 933         .freq           = 300000,
 934         .prediv         = 1,
 935         .mult           = 25,
 936         .postdiv        = 2,
 937         .cvdd_min       = 1200000,
 938         .cvdd_max       = 1320000,
 939 };
 940
 941 static const struct da850_opp da850_opp_200 = {
 942         .freq           = 200000,
 943         .prediv         = 1,
 944         .mult           = 25,
 945         .postdiv        = 3,
 946         .cvdd_min       = 1100000,
 947         .cvdd_max       = 1160000,
 948 };
 949
 950 static const struct da850_opp da850_opp_96 = {
 951         .freq           = 96000,
 952         .prediv         = 1,
 953         .mult           = 20,
 954         .postdiv        = 5,
 955         .cvdd_min       = 1000000,
 956         .cvdd_max       = 1050000,
 957 };
 958
 959 #define OPP(freq)               \
 960         {                               \
 961                 .index = (unsigned int) &da850_opp_##freq,      \
 962                 .frequency = freq * 1000, \
 963         }
 964
 965 static struct cpufreq_frequency_table da850_freq_table[] = {
 966         OPP(456),
 967         OPP(408),
 968         OPP(372),
 969         OPP(300),
 970         OPP(200),
 971         OPP(96),
 972         {
 973                 .index          = 0,
 974                 .frequency      = CPUFREQ_TABLE_END,
 975         },
 976 };
 977
 978 #ifdef CONFIG_REGULATOR
 979 static int da850_set_voltage(unsigned int index);
 980 static int da850_regulator_init(void);
 981 #endif
 982
 983 static struct davinci_cpufreq_config cpufreq_info = {
 984         .freq_table = da850_freq_table,
 985 #ifdef CONFIG_REGULATOR
 986         .init = da850_regulator_init,
 987         .set_voltage = da850_set_voltage,
 988 #endif
 989 };
 990
 991 #ifdef CONFIG_REGULATOR
 992 static struct regulator *cvdd;
 993
 994 static int da850_set_voltage(unsigned int index)
 995 {
 996         struct da850_opp *opp;
 997
 998         if (!cvdd)
 999                 return -ENODEV;
1000
1001         opp = (struct da850_opp *) cpufreq_info.freq_table[index].index;
1002
1003         return regulator_set_voltage(cvdd, opp->cvdd_min, opp->cvdd_max);
1004 }
1005
1006 static int da850_regulator_init(void)
1007 {
1008         cvdd = regulator_get(NULL, "cvdd");
1009         if (WARN(IS_ERR(cvdd), "Unable to obtain voltage regulator for CVDD;"
1010                                         " voltage scaling unsupported\n")) {
1011                 return PTR_ERR(cvdd);
1012         }
1013
1014         return 0;
1015 }
1016 #endif
1017
1018 static struct platform_device da850_cpufreq_device = {
1019         .name                   = "cpufreq-davinci",
1020         .dev = {
1021                 .platform_data  = &cpufreq_info,
1022         },
1023         .id = -1,
1024 };
1025
1026 unsigned int da850_max_speed = 300000;
1027
1028 int da850_register_cpufreq(char *async_clk)
1029 {
1030         int i;
1031
1032         /* cpufreq driver can help keep an "async" clock constant */
1033         if (async_clk)
1034                 clk_add_alias("async", da850_cpufreq_device.name,
1035                                                         async_clk, NULL);
1036         for (i = 0; i < ARRAY_SIZE(da850_freq_table); i++) {
1037                 if (da850_freq_table[i].frequency <= da850_max_speed) {
1038                         cpufreq_info.freq_table = &da850_freq_table[i];
1039                         break;
1040                 }
1041         }
1042
1043         return platform_device_register(&da850_cpufreq_device);
1044 }
1045
1046 static int da850_round_armrate(struct clk *clk, unsigned long rate)
1047 {
1048         int i, ret = 0, diff;
1049         unsigned int best = (unsigned int) -1;
1050         struct cpufreq_frequency_table *table = cpufreq_info.freq_table;
1051
1052         rate /= 1000; /* convert to kHz */
1053
1054         for (i = 0; table[i].frequency != CPUFREQ_TABLE_END; i++) {
1055                 diff = table[i].frequency - rate;
1056                 if (diff < 0)
1057                         diff = -diff;
1058
1059                 if (diff < best) {
1060                         best = diff;
1061                         ret = table[i].frequency;
1062                 }
1063         }
1064
1065         return ret * 1000;
1066 }
1067
1068 static int da850_set_armrate(struct clk *clk, unsigned long index)
1069 {
1070         struct clk *pllclk = &pll0_clk;
1071
1072         return clk_set_rate(pllclk, index);
1073 }
1074
1075 static int da850_set_pll0rate(struct clk *clk, unsigned long index)
1076 {
1077         unsigned int prediv, mult, postdiv;
1078         struct da850_opp *opp;
1079         struct pll_data *pll = clk->pll_data;
1080         int ret;
1081
1082         opp = (struct da850_opp *) cpufreq_info.freq_table[index].index;
1083         prediv = opp->prediv;
1084         mult = opp->mult;
1085         postdiv = opp->postdiv;
1086
1087         ret = davinci_set_pllrate(pll, prediv, mult, postdiv);
1088         if (WARN_ON(ret))
1089                 return ret;
1090
1091         return 0;
1092 }
1093 #else
1094 int __init da850_register_cpufreq(char *async_clk)
1095 {
1096         return 0;
1097 }
1098
1099 static int da850_set_armrate(struct clk *clk, unsigned long rate)
1100 {
1101         return -EINVAL;
1102 }
1103
1104 static int da850_set_pll0rate(struct clk *clk, unsigned long armrate)
1105 {
1106         return -EINVAL;
1107 }
1108
1109 static int da850_round_armrate(struct clk *clk, unsigned long rate)
1110 {
1111         return clk->rate;
1112 }
1113 #endif
1114
1115 int __init da850_register_pm(struct platform_device *pdev)
1116 {
1117         int ret;
1118         struct davinci_pm_config *pdata = pdev->dev.platform_data;
1119
1120         ret = davinci_cfg_reg(DA850_RTC_ALARM);
1121         if (ret)
1122                 return ret;
1123
1124         pdata->ddr2_ctlr_base = da8xx_get_mem_ctlr();
1125         pdata->deepsleep_reg = DA8XX_SYSCFG1_VIRT(DA8XX_DEEPSLEEP_REG);
1126         pdata->ddrpsc_num = DA8XX_LPSC1_EMIF3C;
1127
1128         pdata->cpupll_reg_base = ioremap(DA8XX_PLL0_BASE, SZ_4K);
1129         if (!pdata->cpupll_reg_base)
1130                 return -ENOMEM;
1131
1132         pdata->ddrpll_reg_base = ioremap(DA850_PLL1_BASE, SZ_4K);
1133         if (!pdata->ddrpll_reg_base) {
1134                 ret = -ENOMEM;
1135                 goto no_ddrpll_mem;
1136         }
1137
1138         pdata->ddrpsc_reg_base = ioremap(DA8XX_PSC1_BASE, SZ_4K);
1139         if (!pdata->ddrpsc_reg_base) {
1140                 ret = -ENOMEM;
1141                 goto no_ddrpsc_mem;
1142         }
1143
1144         return platform_device_register(pdev);
1145
1146 no_ddrpsc_mem:
1147         iounmap(pdata->ddrpll_reg_base);
1148 no_ddrpll_mem:
1149         iounmap(pdata->cpupll_reg_base);
1150         return ret;
1151 }
1152
1153 /* VPIF resource, platform data */
1154 static u64 da850_vpif_dma_mask = DMA_BIT_MASK(32);
1155
1156 static struct resource da850_vpif_resource[] = {
1157         {
1158                 .start = DA8XX_VPIF_BASE,
1159                 .end   = DA8XX_VPIF_BASE + 0xfff,
1160                 .flags = IORESOURCE_MEM,
1161         }
1162 };
1163
1164 static struct platform_device da850_vpif_dev = {
1165         .name           = "vpif",
1166         .id             = -1,
1167         .dev            = {
1168                 .dma_mask               = &da850_vpif_dma_mask,
1169                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1170         },
1171         .resource       = da850_vpif_resource,
1172         .num_resources  = ARRAY_SIZE(da850_vpif_resource),
1173 };
1174
1175 static struct resource da850_vpif_display_resource[] = {
1176         {
1177                 .start = IRQ_DA850_VPIFINT,
1178                 .end   = IRQ_DA850_VPIFINT,
1179                 .flags = IORESOURCE_IRQ,
1180         },
1181 };
1182
1183 static struct platform_device da850_vpif_display_dev = {
1184         .name           = "vpif_display",
1185         .id             = -1,
1186         .dev            = {
1187                 .dma_mask               = &da850_vpif_dma_mask,
1188                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1189         },
1190         .resource       = da850_vpif_display_resource,
1191         .num_resources  = ARRAY_SIZE(da850_vpif_display_resource),
1192 };
1193
1194 static struct resource da850_vpif_capture_resource[] = {
1195         {
1196                 .start = IRQ_DA850_VPIFINT,
1197                 .end   = IRQ_DA850_VPIFINT,
1198                 .flags = IORESOURCE_IRQ,
1199         },
1200         {
1201                 .start = IRQ_DA850_VPIFINT,
1202                 .end   = IRQ_DA850_VPIFINT,
1203                 .flags = IORESOURCE_IRQ,
1204         },
1205 };
1206
1207 static struct platform_device da850_vpif_capture_dev = {
1208         .name           = "vpif_capture",
1209         .id             = -1,
1210         .dev            = {
1211                 .dma_mask               = &da850_vpif_dma_mask,
1212                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1213         },
1214         .resource       = da850_vpif_capture_resource,
1215         .num_resources  = ARRAY_SIZE(da850_vpif_capture_resource),
1216 };
1217
1218 int __init da850_register_vpif(void)
1219 {
1220         return platform_device_register(&da850_vpif_dev);
1221 }
1222
1223 int __init da850_register_vpif_display(struct vpif_display_config
1224                                                 *display_config)
1225 {
1226         da850_vpif_display_dev.dev.platform_data = display_config;
1227         return platform_device_register(&da850_vpif_display_dev);
1228 }
1229
1230 int __init da850_register_vpif_capture(struct vpif_capture_config
1231                                                         *capture_config)
1232 {
1233         da850_vpif_capture_dev.dev.platform_data = capture_config;
1234         return platform_device_register(&da850_vpif_capture_dev);
1235 }
1236
1237 static struct davinci_soc_info davinci_soc_info_da850 = {
1238         .io_desc                = da850_io_desc,
1239         .io_desc_num            = ARRAY_SIZE(da850_io_desc),
1240         .jtag_id_reg            = DA8XX_SYSCFG0_BASE + DA8XX_JTAG_ID_REG,
1241         .ids                    = da850_ids,
1242         .ids_num                = ARRAY_SIZE(da850_ids),
1243         .cpu_clks               = da850_clks,
1244         .psc_bases              = da850_psc_bases,
1245         .psc_bases_num          = ARRAY_SIZE(da850_psc_bases),
1246         .pinmux_base            = DA8XX_SYSCFG0_BASE + 0x120,
1247         .pinmux_pins            = da850_pins,
1248         .pinmux_pins_num        = ARRAY_SIZE(da850_pins),
1249         .intc_base              = DA8XX_CP_INTC_BASE,
1250         .intc_type              = DAVINCI_INTC_TYPE_CP_INTC,
1251         .intc_irq_prios         = da850_default_priorities,
1252         .intc_irq_num           = DA850_N_CP_INTC_IRQ,
1253         .timer_info             = &da850_timer_info,
1254         .gpio_type              = GPIO_TYPE_DAVINCI,
1255         .gpio_base              = DA8XX_GPIO_BASE,
1256         .gpio_num               = 144,
1257         .gpio_irq               = IRQ_DA8XX_GPIO0,
1258         .serial_dev             = &da8xx_serial_device,
1259         .emac_pdata             = &da8xx_emac_pdata,
1260         .sram_dma               = DA8XX_SHARED_RAM_BASE,
1261         .sram_len               = SZ_128K,
1262 };
1263
1264 void __init da850_init(void)
1265 {
1266         unsigned int v;
1267
1268         davinci_common_init(&davinci_soc_info_da850);
1269
1270         da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K);
1271         if (WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module"))
1272                 return;
1273
1274         da8xx_syscfg1_base = ioremap(DA8XX_SYSCFG1_BASE, SZ_4K);
1275         if (WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module"))
1276                 return;
1277
1278         /*
1279          * Move the clock source of Async3 domain to PLL1 SYSCLK2.
1280          * This helps keeping the peripherals on this domain insulated
1281          * from CPU frequency changes caused by DVFS. The firmware sets
1282          * both PLL0 and PLL1 to the same frequency so, there should not
1283          * be any noticeable change even in non-DVFS use cases.
1284          */
1285         da850_set_async3_src(1);
1286
1287         /* Unlock writing to PLL0 registers */
1288         v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
1289         v &= ~CFGCHIP0_PLL_MASTER_LOCK;
1290         __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
1291
1292         /* Unlock writing to PLL1 registers */
1293         v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
1294         v &= ~CFGCHIP3_PLL1_MASTER_LOCK;
1295         __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
1296 }