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 ehrpwm_clk = { 387 .name = "ehrpwm", 388 .parent = &pll0_sysclk2, 389 .lpsc = DA8XX_LPSC1_PWM, 390 .gpsc = 1, 391 .flags = DA850_CLK_ASYNC3, 392 }; 393 394 #define DA8XX_EHRPWM_TBCLKSYNC BIT(12) 395 396 static void ehrpwm_tblck_enable(struct clk *clk) 397 { 398 u32 val; 399 400 val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); 401 val |= DA8XX_EHRPWM_TBCLKSYNC; 402 writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); 403 } 404 405 static void ehrpwm_tblck_disable(struct clk *clk) 406 { 407 u32 val; 408 409 val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); 410 val &= ~DA8XX_EHRPWM_TBCLKSYNC; 411 writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG)); 412 } 413 414 static struct clk ehrpwm_tbclk = { 415 .name = "ehrpwm_tbclk", 416 .parent = &ehrpwm_clk, 417 .clk_enable = ehrpwm_tblck_enable, 418 .clk_disable = ehrpwm_tblck_disable, 419 }; 420 421 static struct clk ecap_clk = { 422 .name = "ecap", 423 .parent = &pll0_sysclk2, 424 .lpsc = DA8XX_LPSC1_ECAP, 425 .gpsc = 1, 426 .flags = DA850_CLK_ASYNC3, 427 }; 428 429 static struct clk_lookup da850_clks[] = { 430 CLK(NULL, "ref", &ref_clk), 431 CLK(NULL, "pll0", &pll0_clk), 432 CLK(NULL, "pll0_aux", &pll0_aux_clk), 433 CLK(NULL, "pll0_sysclk1", &pll0_sysclk1), 434 CLK(NULL, "pll0_sysclk2", &pll0_sysclk2), 435 CLK(NULL, "pll0_sysclk3", &pll0_sysclk3), 436 CLK(NULL, "pll0_sysclk4", &pll0_sysclk4), 437 CLK(NULL, "pll0_sysclk5", &pll0_sysclk5), 438 CLK(NULL, "pll0_sysclk6", &pll0_sysclk6), 439 CLK(NULL, "pll0_sysclk7", &pll0_sysclk7), 440 CLK(NULL, "pll1", &pll1_clk), 441 CLK(NULL, "pll1_aux", &pll1_aux_clk), 442 CLK(NULL, "pll1_sysclk2", &pll1_sysclk2), 443 CLK(NULL, "pll1_sysclk3", &pll1_sysclk3), 444 CLK("i2c_davinci.1", NULL, &i2c0_clk), 445 CLK(NULL, "timer0", &timerp64_0_clk), 446 CLK("watchdog", NULL, &timerp64_1_clk), 447 CLK(NULL, "arm_rom", &arm_rom_clk), 448 CLK(NULL, "tpcc0", &tpcc0_clk), 449 CLK(NULL, "tptc0", &tptc0_clk), 450 CLK(NULL, "tptc1", &tptc1_clk), 451 CLK(NULL, "tpcc1", &tpcc1_clk), 452 CLK(NULL, "tptc2", &tptc2_clk), 453 CLK("pruss_uio", "pruss", &pruss_clk), 454 CLK("serial8250.0", NULL, &uart0_clk), 455 CLK("serial8250.1", NULL, &uart1_clk), 456 CLK("serial8250.2", NULL, &uart2_clk), 457 CLK(NULL, "aintc", &aintc_clk), 458 CLK(NULL, "gpio", &gpio_clk), 459 CLK("i2c_davinci.2", NULL, &i2c1_clk), 460 CLK(NULL, "emif3", &emif3_clk), 461 CLK(NULL, "arm", &arm_clk), 462 CLK(NULL, "rmii", &rmii_clk), 463 CLK("davinci_emac.1", NULL, &emac_clk), 464 CLK("davinci-mcasp.0", NULL, &mcasp_clk), 465 CLK("da8xx_lcdc.0", "fck", &lcdc_clk), 466 CLK("da830-mmc.0", NULL, &mmcsd0_clk), 467 CLK("da830-mmc.1", NULL, &mmcsd1_clk), 468 CLK(NULL, "aemif", &aemif_clk), 469 CLK(NULL, "usb11", &usb11_clk), 470 CLK(NULL, "usb20", &usb20_clk), 471 CLK("spi_davinci.0", NULL, &spi0_clk), 472 CLK("spi_davinci.1", NULL, &spi1_clk), 473 CLK("vpif", NULL, &vpif_clk), 474 CLK("ahci", NULL, &sata_clk), 475 CLK("davinci-rproc.0", NULL, &dsp_clk), 476 CLK("ehrpwm", "fck", &ehrpwm_clk), 477 CLK("ehrpwm", "tbclk", &ehrpwm_tbclk), 478 CLK("ecap", "fck", &ecap_clk), 479 CLK(NULL, NULL, NULL), 480 }; 481 482 /* 483 * Device specific mux setup 484 * 485 * soc description mux mode mode mux dbg 486 * reg offset mask mode 487 */ 488 static const struct mux_config da850_pins[] = { 489 #ifdef CONFIG_DAVINCI_MUX 490 /* UART0 function */ 491 MUX_CFG(DA850, NUART0_CTS, 3, 24, 15, 2, false) 492 MUX_CFG(DA850, NUART0_RTS, 3, 28, 15, 2, false) 493 MUX_CFG(DA850, UART0_RXD, 3, 16, 15, 2, false) 494 MUX_CFG(DA850, UART0_TXD, 3, 20, 15, 2, false) 495 /* UART1 function */ 496 MUX_CFG(DA850, UART1_RXD, 4, 24, 15, 2, false) 497 MUX_CFG(DA850, UART1_TXD, 4, 28, 15, 2, false) 498 /* UART2 function */ 499 MUX_CFG(DA850, UART2_RXD, 4, 16, 15, 2, false) 500 MUX_CFG(DA850, UART2_TXD, 4, 20, 15, 2, false) 501 /* I2C1 function */ 502 MUX_CFG(DA850, I2C1_SCL, 4, 16, 15, 4, false) 503 MUX_CFG(DA850, I2C1_SDA, 4, 20, 15, 4, false) 504 /* I2C0 function */ 505 MUX_CFG(DA850, I2C0_SDA, 4, 12, 15, 2, false) 506 MUX_CFG(DA850, I2C0_SCL, 4, 8, 15, 2, false) 507 /* EMAC function */ 508 MUX_CFG(DA850, MII_TXEN, 2, 4, 15, 8, false) 509 MUX_CFG(DA850, MII_TXCLK, 2, 8, 15, 8, false) 510 MUX_CFG(DA850, MII_COL, 2, 12, 15, 8, false) 511 MUX_CFG(DA850, MII_TXD_3, 2, 16, 15, 8, false) 512 MUX_CFG(DA850, MII_TXD_2, 2, 20, 15, 8, false) 513 MUX_CFG(DA850, MII_TXD_1, 2, 24, 15, 8, false) 514 MUX_CFG(DA850, MII_TXD_0, 2, 28, 15, 8, false) 515 MUX_CFG(DA850, MII_RXCLK, 3, 0, 15, 8, false) 516 MUX_CFG(DA850, MII_RXDV, 3, 4, 15, 8, false) 517 MUX_CFG(DA850, MII_RXER, 3, 8, 15, 8, false) 518 MUX_CFG(DA850, MII_CRS, 3, 12, 15, 8, false) 519 MUX_CFG(DA850, MII_RXD_3, 3, 16, 15, 8, false) 520 MUX_CFG(DA850, MII_RXD_2, 3, 20, 15, 8, false) 521 MUX_CFG(DA850, MII_RXD_1, 3, 24, 15, 8, false) 522 MUX_CFG(DA850, MII_RXD_0, 3, 28, 15, 8, false) 523 MUX_CFG(DA850, MDIO_CLK, 4, 0, 15, 8, false) 524 MUX_CFG(DA850, MDIO_D, 4, 4, 15, 8, false) 525 MUX_CFG(DA850, RMII_TXD_0, 14, 12, 15, 8, false) 526 MUX_CFG(DA850, RMII_TXD_1, 14, 8, 15, 8, false) 527 MUX_CFG(DA850, RMII_TXEN, 14, 16, 15, 8, false) 528 MUX_CFG(DA850, RMII_CRS_DV, 15, 4, 15, 8, false) 529 MUX_CFG(DA850, RMII_RXD_0, 14, 24, 15, 8, false) 530 MUX_CFG(DA850, RMII_RXD_1, 14, 20, 15, 8, false) 531 MUX_CFG(DA850, RMII_RXER, 14, 28, 15, 8, false) 532 MUX_CFG(DA850, RMII_MHZ_50_CLK, 15, 0, 15, 0, false) 533 /* McASP function */ 534 MUX_CFG(DA850, ACLKR, 0, 0, 15, 1, false) 535 MUX_CFG(DA850, ACLKX, 0, 4, 15, 1, false) 536 MUX_CFG(DA850, AFSR, 0, 8, 15, 1, false) 537 MUX_CFG(DA850, AFSX, 0, 12, 15, 1, false) 538 MUX_CFG(DA850, AHCLKR, 0, 16, 15, 1, false) 539 MUX_CFG(DA850, AHCLKX, 0, 20, 15, 1, false) 540 MUX_CFG(DA850, AMUTE, 0, 24, 15, 1, false) 541 MUX_CFG(DA850, AXR_15, 1, 0, 15, 1, false) 542 MUX_CFG(DA850, AXR_14, 1, 4, 15, 1, false) 543 MUX_CFG(DA850, AXR_13, 1, 8, 15, 1, false) 544 MUX_CFG(DA850, AXR_12, 1, 12, 15, 1, false) 545 MUX_CFG(DA850, AXR_11, 1, 16, 15, 1, false) 546 MUX_CFG(DA850, AXR_10, 1, 20, 15, 1, false) 547 MUX_CFG(DA850, AXR_9, 1, 24, 15, 1, false) 548 MUX_CFG(DA850, AXR_8, 1, 28, 15, 1, false) 549 MUX_CFG(DA850, AXR_7, 2, 0, 15, 1, false) 550 MUX_CFG(DA850, AXR_6, 2, 4, 15, 1, false) 551 MUX_CFG(DA850, AXR_5, 2, 8, 15, 1, false) 552 MUX_CFG(DA850, AXR_4, 2, 12, 15, 1, false) 553 MUX_CFG(DA850, AXR_3, 2, 16, 15, 1, false) 554 MUX_CFG(DA850, AXR_2, 2, 20, 15, 1, false) 555 MUX_CFG(DA850, AXR_1, 2, 24, 15, 1, false) 556 MUX_CFG(DA850, AXR_0, 2, 28, 15, 1, false) 557 /* LCD function */ 558 MUX_CFG(DA850, LCD_D_7, 16, 8, 15, 2, false) 559 MUX_CFG(DA850, LCD_D_6, 16, 12, 15, 2, false) 560 MUX_CFG(DA850, LCD_D_5, 16, 16, 15, 2, false) 561 MUX_CFG(DA850, LCD_D_4, 16, 20, 15, 2, false) 562 MUX_CFG(DA850, LCD_D_3, 16, 24, 15, 2, false) 563 MUX_CFG(DA850, LCD_D_2, 16, 28, 15, 2, false) 564 MUX_CFG(DA850, LCD_D_1, 17, 0, 15, 2, false) 565 MUX_CFG(DA850, LCD_D_0, 17, 4, 15, 2, false) 566 MUX_CFG(DA850, LCD_D_15, 17, 8, 15, 2, false) 567 MUX_CFG(DA850, LCD_D_14, 17, 12, 15, 2, false) 568 MUX_CFG(DA850, LCD_D_13, 17, 16, 15, 2, false) 569 MUX_CFG(DA850, LCD_D_12, 17, 20, 15, 2, false) 570 MUX_CFG(DA850, LCD_D_11, 17, 24, 15, 2, false) 571 MUX_CFG(DA850, LCD_D_10, 17, 28, 15, 2, false) 572 MUX_CFG(DA850, LCD_D_9, 18, 0, 15, 2, false) 573 MUX_CFG(DA850, LCD_D_8, 18, 4, 15, 2, false) 574 MUX_CFG(DA850, LCD_PCLK, 18, 24, 15, 2, false) 575 MUX_CFG(DA850, LCD_HSYNC, 19, 0, 15, 2, false) 576 MUX_CFG(DA850, LCD_VSYNC, 19, 4, 15, 2, false) 577 MUX_CFG(DA850, NLCD_AC_ENB_CS, 19, 24, 15, 2, false) 578 /* MMC/SD0 function */ 579 MUX_CFG(DA850, MMCSD0_DAT_0, 10, 8, 15, 2, false) 580 MUX_CFG(DA850, MMCSD0_DAT_1, 10, 12, 15, 2, false) 581 MUX_CFG(DA850, MMCSD0_DAT_2, 10, 16, 15, 2, false) 582 MUX_CFG(DA850, MMCSD0_DAT_3, 10, 20, 15, 2, false) 583 MUX_CFG(DA850, MMCSD0_CLK, 10, 0, 15, 2, false) 584 MUX_CFG(DA850, MMCSD0_CMD, 10, 4, 15, 2, false) 585 /* MMC/SD1 function */ 586 MUX_CFG(DA850, MMCSD1_DAT_0, 18, 8, 15, 2, false) 587 MUX_CFG(DA850, MMCSD1_DAT_1, 19, 16, 15, 2, false) 588 MUX_CFG(DA850, MMCSD1_DAT_2, 19, 12, 15, 2, false) 589 MUX_CFG(DA850, MMCSD1_DAT_3, 19, 8, 15, 2, false) 590 MUX_CFG(DA850, MMCSD1_CLK, 18, 12, 15, 2, false) 591 MUX_CFG(DA850, MMCSD1_CMD, 18, 16, 15, 2, false) 592 /* EMIF2.5/EMIFA function */ 593 MUX_CFG(DA850, EMA_D_7, 9, 0, 15, 1, false) 594 MUX_CFG(DA850, EMA_D_6, 9, 4, 15, 1, false) 595 MUX_CFG(DA850, EMA_D_5, 9, 8, 15, 1, false) 596 MUX_CFG(DA850, EMA_D_4, 9, 12, 15, 1, false) 597 MUX_CFG(DA850, EMA_D_3, 9, 16, 15, 1, false) 598 MUX_CFG(DA850, EMA_D_2, 9, 20, 15, 1, false) 599 MUX_CFG(DA850, EMA_D_1, 9, 24, 15, 1, false) 600 MUX_CFG(DA850, EMA_D_0, 9, 28, 15, 1, false) 601 MUX_CFG(DA850, EMA_A_1, 12, 24, 15, 1, false) 602 MUX_CFG(DA850, EMA_A_2, 12, 20, 15, 1, false) 603 MUX_CFG(DA850, NEMA_CS_3, 7, 4, 15, 1, false) 604 MUX_CFG(DA850, NEMA_CS_4, 7, 8, 15, 1, false) 605 MUX_CFG(DA850, NEMA_WE, 7, 16, 15, 1, false) 606 MUX_CFG(DA850, NEMA_OE, 7, 20, 15, 1, false) 607 MUX_CFG(DA850, EMA_A_0, 12, 28, 15, 1, false) 608 MUX_CFG(DA850, EMA_A_3, 12, 16, 15, 1, false) 609 MUX_CFG(DA850, EMA_A_4, 12, 12, 15, 1, false) 610 MUX_CFG(DA850, EMA_A_5, 12, 8, 15, 1, false) 611 MUX_CFG(DA850, EMA_A_6, 12, 4, 15, 1, false) 612 MUX_CFG(DA850, EMA_A_7, 12, 0, 15, 1, false) 613 MUX_CFG(DA850, EMA_A_8, 11, 28, 15, 1, false) 614 MUX_CFG(DA850, EMA_A_9, 11, 24, 15, 1, false) 615 MUX_CFG(DA850, EMA_A_10, 11, 20, 15, 1, false) 616 MUX_CFG(DA850, EMA_A_11, 11, 16, 15, 1, false) 617 MUX_CFG(DA850, EMA_A_12, 11, 12, 15, 1, false) 618 MUX_CFG(DA850, EMA_A_13, 11, 8, 15, 1, false) 619 MUX_CFG(DA850, EMA_A_14, 11, 4, 15, 1, false) 620 MUX_CFG(DA850, EMA_A_15, 11, 0, 15, 1, false) 621 MUX_CFG(DA850, EMA_A_16, 10, 28, 15, 1, false) 622 MUX_CFG(DA850, EMA_A_17, 10, 24, 15, 1, false) 623 MUX_CFG(DA850, EMA_A_18, 10, 20, 15, 1, false) 624 MUX_CFG(DA850, EMA_A_19, 10, 16, 15, 1, false) 625 MUX_CFG(DA850, EMA_A_20, 10, 12, 15, 1, false) 626 MUX_CFG(DA850, EMA_A_21, 10, 8, 15, 1, false) 627 MUX_CFG(DA850, EMA_A_22, 10, 4, 15, 1, false) 628 MUX_CFG(DA850, EMA_A_23, 10, 0, 15, 1, false) 629 MUX_CFG(DA850, EMA_D_8, 8, 28, 15, 1, false) 630 MUX_CFG(DA850, EMA_D_9, 8, 24, 15, 1, false) 631 MUX_CFG(DA850, EMA_D_10, 8, 20, 15, 1, false) 632 MUX_CFG(DA850, EMA_D_11, 8, 16, 15, 1, false) 633 MUX_CFG(DA850, EMA_D_12, 8, 12, 15, 1, false) 634 MUX_CFG(DA850, EMA_D_13, 8, 8, 15, 1, false) 635 MUX_CFG(DA850, EMA_D_14, 8, 4, 15, 1, false) 636 MUX_CFG(DA850, EMA_D_15, 8, 0, 15, 1, false) 637 MUX_CFG(DA850, EMA_BA_1, 5, 24, 15, 1, false) 638 MUX_CFG(DA850, EMA_CLK, 6, 0, 15, 1, false) 639 MUX_CFG(DA850, EMA_WAIT_1, 6, 24, 15, 1, false) 640 MUX_CFG(DA850, NEMA_CS_2, 7, 0, 15, 1, false) 641 /* GPIO function */ 642 MUX_CFG(DA850, GPIO2_4, 6, 12, 15, 8, false) 643 MUX_CFG(DA850, GPIO2_6, 6, 4, 15, 8, false) 644 MUX_CFG(DA850, GPIO2_8, 5, 28, 15, 8, false) 645 MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false) 646 MUX_CFG(DA850, GPIO3_12, 7, 12, 15, 8, false) 647 MUX_CFG(DA850, GPIO3_13, 7, 8, 15, 8, false) 648 MUX_CFG(DA850, GPIO4_0, 10, 28, 15, 8, false) 649 MUX_CFG(DA850, GPIO4_1, 10, 24, 15, 8, false) 650 MUX_CFG(DA850, GPIO6_9, 13, 24, 15, 8, false) 651 MUX_CFG(DA850, GPIO6_10, 13, 20, 15, 8, false) 652 MUX_CFG(DA850, GPIO6_13, 13, 8, 15, 8, false) 653 MUX_CFG(DA850, RTC_ALARM, 0, 28, 15, 2, false) 654 /* VPIF Capture */ 655 MUX_CFG(DA850, VPIF_DIN0, 15, 4, 15, 1, false) 656 MUX_CFG(DA850, VPIF_DIN1, 15, 0, 15, 1, false) 657 MUX_CFG(DA850, VPIF_DIN2, 14, 28, 15, 1, false) 658 MUX_CFG(DA850, VPIF_DIN3, 14, 24, 15, 1, false) 659 MUX_CFG(DA850, VPIF_DIN4, 14, 20, 15, 1, false) 660 MUX_CFG(DA850, VPIF_DIN5, 14, 16, 15, 1, false) 661 MUX_CFG(DA850, VPIF_DIN6, 14, 12, 15, 1, false) 662 MUX_CFG(DA850, VPIF_DIN7, 14, 8, 15, 1, false) 663 MUX_CFG(DA850, VPIF_DIN8, 16, 4, 15, 1, false) 664 MUX_CFG(DA850, VPIF_DIN9, 16, 0, 15, 1, false) 665 MUX_CFG(DA850, VPIF_DIN10, 15, 28, 15, 1, false) 666 MUX_CFG(DA850, VPIF_DIN11, 15, 24, 15, 1, false) 667 MUX_CFG(DA850, VPIF_DIN12, 15, 20, 15, 1, false) 668 MUX_CFG(DA850, VPIF_DIN13, 15, 16, 15, 1, false) 669 MUX_CFG(DA850, VPIF_DIN14, 15, 12, 15, 1, false) 670 MUX_CFG(DA850, VPIF_DIN15, 15, 8, 15, 1, false) 671 MUX_CFG(DA850, VPIF_CLKIN0, 14, 0, 15, 1, false) 672 MUX_CFG(DA850, VPIF_CLKIN1, 14, 4, 15, 1, false) 673 MUX_CFG(DA850, VPIF_CLKIN2, 19, 8, 15, 1, false) 674 MUX_CFG(DA850, VPIF_CLKIN3, 19, 16, 15, 1, false) 675 /* VPIF Display */ 676 MUX_CFG(DA850, VPIF_DOUT0, 17, 4, 15, 1, false) 677 MUX_CFG(DA850, VPIF_DOUT1, 17, 0, 15, 1, false) 678 MUX_CFG(DA850, VPIF_DOUT2, 16, 28, 15, 1, false) 679 MUX_CFG(DA850, VPIF_DOUT3, 16, 24, 15, 1, false) 680 MUX_CFG(DA850, VPIF_DOUT4, 16, 20, 15, 1, false) 681 MUX_CFG(DA850, VPIF_DOUT5, 16, 16, 15, 1, false) 682 MUX_CFG(DA850, VPIF_DOUT6, 16, 12, 15, 1, false) 683 MUX_CFG(DA850, VPIF_DOUT7, 16, 8, 15, 1, false) 684 MUX_CFG(DA850, VPIF_DOUT8, 18, 4, 15, 1, false) 685 MUX_CFG(DA850, VPIF_DOUT9, 18, 0, 15, 1, false) 686 MUX_CFG(DA850, VPIF_DOUT10, 17, 28, 15, 1, false) 687 MUX_CFG(DA850, VPIF_DOUT11, 17, 24, 15, 1, false) 688 MUX_CFG(DA850, VPIF_DOUT12, 17, 20, 15, 1, false) 689 MUX_CFG(DA850, VPIF_DOUT13, 17, 16, 15, 1, false) 690 MUX_CFG(DA850, VPIF_DOUT14, 17, 12, 15, 1, false) 691 MUX_CFG(DA850, VPIF_DOUT15, 17, 8, 15, 1, false) 692 MUX_CFG(DA850, VPIF_CLKO2, 19, 12, 15, 1, false) 693 MUX_CFG(DA850, VPIF_CLKO3, 19, 20, 15, 1, false) 694 #endif 695 }; 696 697 const short da850_i2c0_pins[] __initconst = { 698 DA850_I2C0_SDA, DA850_I2C0_SCL, 699 -1 700 }; 701 702 const short da850_i2c1_pins[] __initconst = { 703 DA850_I2C1_SCL, DA850_I2C1_SDA, 704 -1 705 }; 706 707 const short da850_lcdcntl_pins[] __initconst = { 708 DA850_LCD_D_0, DA850_LCD_D_1, DA850_LCD_D_2, DA850_LCD_D_3, 709 DA850_LCD_D_4, DA850_LCD_D_5, DA850_LCD_D_6, DA850_LCD_D_7, 710 DA850_LCD_D_8, DA850_LCD_D_9, DA850_LCD_D_10, DA850_LCD_D_11, 711 DA850_LCD_D_12, DA850_LCD_D_13, DA850_LCD_D_14, DA850_LCD_D_15, 712 DA850_LCD_PCLK, DA850_LCD_HSYNC, DA850_LCD_VSYNC, DA850_NLCD_AC_ENB_CS, 713 -1 714 }; 715 716 const short da850_vpif_capture_pins[] __initdata = { 717 DA850_VPIF_DIN0, DA850_VPIF_DIN1, DA850_VPIF_DIN2, DA850_VPIF_DIN3, 718 DA850_VPIF_DIN4, DA850_VPIF_DIN5, DA850_VPIF_DIN6, DA850_VPIF_DIN7, 719 DA850_VPIF_DIN8, DA850_VPIF_DIN9, DA850_VPIF_DIN10, DA850_VPIF_DIN11, 720 DA850_VPIF_DIN12, DA850_VPIF_DIN13, DA850_VPIF_DIN14, DA850_VPIF_DIN15, 721 DA850_VPIF_CLKIN0, DA850_VPIF_CLKIN1, DA850_VPIF_CLKIN2, 722 DA850_VPIF_CLKIN3, 723 -1 724 }; 725 726 const short da850_vpif_display_pins[] __initdata = { 727 DA850_VPIF_DOUT0, DA850_VPIF_DOUT1, DA850_VPIF_DOUT2, DA850_VPIF_DOUT3, 728 DA850_VPIF_DOUT4, DA850_VPIF_DOUT5, DA850_VPIF_DOUT6, DA850_VPIF_DOUT7, 729 DA850_VPIF_DOUT8, DA850_VPIF_DOUT9, DA850_VPIF_DOUT10, 730 DA850_VPIF_DOUT11, DA850_VPIF_DOUT12, DA850_VPIF_DOUT13, 731 DA850_VPIF_DOUT14, DA850_VPIF_DOUT15, DA850_VPIF_CLKO2, 732 DA850_VPIF_CLKO3, 733 -1 734 }; 735 736 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */ 737 static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = { 738 [IRQ_DA8XX_COMMTX] = 7, 739 [IRQ_DA8XX_COMMRX] = 7, 740 [IRQ_DA8XX_NINT] = 7, 741 [IRQ_DA8XX_EVTOUT0] = 7, 742 [IRQ_DA8XX_EVTOUT1] = 7, 743 [IRQ_DA8XX_EVTOUT2] = 7, 744 [IRQ_DA8XX_EVTOUT3] = 7, 745 [IRQ_DA8XX_EVTOUT4] = 7, 746 [IRQ_DA8XX_EVTOUT5] = 7, 747 [IRQ_DA8XX_EVTOUT6] = 7, 748 [IRQ_DA8XX_EVTOUT7] = 7, 749 [IRQ_DA8XX_CCINT0] = 7, 750 [IRQ_DA8XX_CCERRINT] = 7, 751 [IRQ_DA8XX_TCERRINT0] = 7, 752 [IRQ_DA8XX_AEMIFINT] = 7, 753 [IRQ_DA8XX_I2CINT0] = 7, 754 [IRQ_DA8XX_MMCSDINT0] = 7, 755 [IRQ_DA8XX_MMCSDINT1] = 7, 756 [IRQ_DA8XX_ALLINT0] = 7, 757 [IRQ_DA8XX_RTC] = 7, 758 [IRQ_DA8XX_SPINT0] = 7, 759 [IRQ_DA8XX_TINT12_0] = 7, 760 [IRQ_DA8XX_TINT34_0] = 7, 761 [IRQ_DA8XX_TINT12_1] = 7, 762 [IRQ_DA8XX_TINT34_1] = 7, 763 [IRQ_DA8XX_UARTINT0] = 7, 764 [IRQ_DA8XX_KEYMGRINT] = 7, 765 [IRQ_DA850_MPUADDRERR0] = 7, 766 [IRQ_DA8XX_CHIPINT0] = 7, 767 [IRQ_DA8XX_CHIPINT1] = 7, 768 [IRQ_DA8XX_CHIPINT2] = 7, 769 [IRQ_DA8XX_CHIPINT3] = 7, 770 [IRQ_DA8XX_TCERRINT1] = 7, 771 [IRQ_DA8XX_C0_RX_THRESH_PULSE] = 7, 772 [IRQ_DA8XX_C0_RX_PULSE] = 7, 773 [IRQ_DA8XX_C0_TX_PULSE] = 7, 774 [IRQ_DA8XX_C0_MISC_PULSE] = 7, 775 [IRQ_DA8XX_C1_RX_THRESH_PULSE] = 7, 776 [IRQ_DA8XX_C1_RX_PULSE] = 7, 777 [IRQ_DA8XX_C1_TX_PULSE] = 7, 778 [IRQ_DA8XX_C1_MISC_PULSE] = 7, 779 [IRQ_DA8XX_MEMERR] = 7, 780 [IRQ_DA8XX_GPIO0] = 7, 781 [IRQ_DA8XX_GPIO1] = 7, 782 [IRQ_DA8XX_GPIO2] = 7, 783 [IRQ_DA8XX_GPIO3] = 7, 784 [IRQ_DA8XX_GPIO4] = 7, 785 [IRQ_DA8XX_GPIO5] = 7, 786 [IRQ_DA8XX_GPIO6] = 7, 787 [IRQ_DA8XX_GPIO7] = 7, 788 [IRQ_DA8XX_GPIO8] = 7, 789 [IRQ_DA8XX_I2CINT1] = 7, 790 [IRQ_DA8XX_LCDINT] = 7, 791 [IRQ_DA8XX_UARTINT1] = 7, 792 [IRQ_DA8XX_MCASPINT] = 7, 793 [IRQ_DA8XX_ALLINT1] = 7, 794 [IRQ_DA8XX_SPINT1] = 7, 795 [IRQ_DA8XX_UHPI_INT1] = 7, 796 [IRQ_DA8XX_USB_INT] = 7, 797 [IRQ_DA8XX_IRQN] = 7, 798 [IRQ_DA8XX_RWAKEUP] = 7, 799 [IRQ_DA8XX_UARTINT2] = 7, 800 [IRQ_DA8XX_DFTSSINT] = 7, 801 [IRQ_DA8XX_EHRPWM0] = 7, 802 [IRQ_DA8XX_EHRPWM0TZ] = 7, 803 [IRQ_DA8XX_EHRPWM1] = 7, 804 [IRQ_DA8XX_EHRPWM1TZ] = 7, 805 [IRQ_DA850_SATAINT] = 7, 806 [IRQ_DA850_TINTALL_2] = 7, 807 [IRQ_DA8XX_ECAP0] = 7, 808 [IRQ_DA8XX_ECAP1] = 7, 809 [IRQ_DA8XX_ECAP2] = 7, 810 [IRQ_DA850_MMCSDINT0_1] = 7, 811 [IRQ_DA850_MMCSDINT1_1] = 7, 812 [IRQ_DA850_T12CMPINT0_2] = 7, 813 [IRQ_DA850_T12CMPINT1_2] = 7, 814 [IRQ_DA850_T12CMPINT2_2] = 7, 815 [IRQ_DA850_T12CMPINT3_2] = 7, 816 [IRQ_DA850_T12CMPINT4_2] = 7, 817 [IRQ_DA850_T12CMPINT5_2] = 7, 818 [IRQ_DA850_T12CMPINT6_2] = 7, 819 [IRQ_DA850_T12CMPINT7_2] = 7, 820 [IRQ_DA850_T12CMPINT0_3] = 7, 821 [IRQ_DA850_T12CMPINT1_3] = 7, 822 [IRQ_DA850_T12CMPINT2_3] = 7, 823 [IRQ_DA850_T12CMPINT3_3] = 7, 824 [IRQ_DA850_T12CMPINT4_3] = 7, 825 [IRQ_DA850_T12CMPINT5_3] = 7, 826 [IRQ_DA850_T12CMPINT6_3] = 7, 827 [IRQ_DA850_T12CMPINT7_3] = 7, 828 [IRQ_DA850_RPIINT] = 7, 829 [IRQ_DA850_VPIFINT] = 7, 830 [IRQ_DA850_CCINT1] = 7, 831 [IRQ_DA850_CCERRINT1] = 7, 832 [IRQ_DA850_TCERRINT2] = 7, 833 [IRQ_DA850_TINTALL_3] = 7, 834 [IRQ_DA850_MCBSP0RINT] = 7, 835 [IRQ_DA850_MCBSP0XINT] = 7, 836 [IRQ_DA850_MCBSP1RINT] = 7, 837 [IRQ_DA850_MCBSP1XINT] = 7, 838 [IRQ_DA8XX_ARMCLKSTOPREQ] = 7, 839 }; 840 841 static struct map_desc da850_io_desc[] = { 842 { 843 .virtual = IO_VIRT, 844 .pfn = __phys_to_pfn(IO_PHYS), 845 .length = IO_SIZE, 846 .type = MT_DEVICE 847 }, 848 { 849 .virtual = DA8XX_CP_INTC_VIRT, 850 .pfn = __phys_to_pfn(DA8XX_CP_INTC_BASE), 851 .length = DA8XX_CP_INTC_SIZE, 852 .type = MT_DEVICE 853 }, 854 }; 855 856 static u32 da850_psc_bases[] = { DA8XX_PSC0_BASE, DA8XX_PSC1_BASE }; 857 858 /* Contents of JTAG ID register used to identify exact cpu type */ 859 static struct davinci_id da850_ids[] = { 860 { 861 .variant = 0x0, 862 .part_no = 0xb7d1, 863 .manufacturer = 0x017, /* 0x02f >> 1 */ 864 .cpu_id = DAVINCI_CPU_ID_DA850, 865 .name = "da850/omap-l138", 866 }, 867 { 868 .variant = 0x1, 869 .part_no = 0xb7d1, 870 .manufacturer = 0x017, /* 0x02f >> 1 */ 871 .cpu_id = DAVINCI_CPU_ID_DA850, 872 .name = "da850/omap-l138/am18x", 873 }, 874 }; 875 876 static struct davinci_timer_instance da850_timer_instance[4] = { 877 { 878 .base = DA8XX_TIMER64P0_BASE, 879 .bottom_irq = IRQ_DA8XX_TINT12_0, 880 .top_irq = IRQ_DA8XX_TINT34_0, 881 }, 882 { 883 .base = DA8XX_TIMER64P1_BASE, 884 .bottom_irq = IRQ_DA8XX_TINT12_1, 885 .top_irq = IRQ_DA8XX_TINT34_1, 886 }, 887 { 888 .base = DA850_TIMER64P2_BASE, 889 .bottom_irq = IRQ_DA850_TINT12_2, 890 .top_irq = IRQ_DA850_TINT34_2, 891 }, 892 { 893 .base = DA850_TIMER64P3_BASE, 894 .bottom_irq = IRQ_DA850_TINT12_3, 895 .top_irq = IRQ_DA850_TINT34_3, 896 }, 897 }; 898 899 /* 900 * T0_BOT: Timer 0, bottom : Used for clock_event 901 * T0_TOP: Timer 0, top : Used for clocksource 902 * T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer 903 */ 904 static struct davinci_timer_info da850_timer_info = { 905 .timers = da850_timer_instance, 906 .clockevent_id = T0_BOT, 907 .clocksource_id = T0_TOP, 908 }; 909 910 static void da850_set_async3_src(int pllnum) 911 { 912 struct clk *clk, *newparent = pllnum ? &pll1_sysclk2 : &pll0_sysclk2; 913 struct clk_lookup *c; 914 unsigned int v; 915 int ret; 916 917 for (c = da850_clks; c->clk; c++) { 918 clk = c->clk; 919 if (clk->flags & DA850_CLK_ASYNC3) { 920 ret = clk_set_parent(clk, newparent); 921 WARN(ret, "DA850: unable to re-parent clock %s", 922 clk->name); 923 } 924 } 925 926 v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); 927 if (pllnum) 928 v |= CFGCHIP3_ASYNC3_CLKSRC; 929 else 930 v &= ~CFGCHIP3_ASYNC3_CLKSRC; 931 __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); 932 } 933 934 #ifdef CONFIG_CPU_FREQ 935 /* 936 * Notes: 937 * According to the TRM, minimum PLLM results in maximum power savings. 938 * The OPP definitions below should keep the PLLM as low as possible. 939 * 940 * The output of the PLLM must be between 300 to 600 MHz. 941 */ 942 struct da850_opp { 943 unsigned int freq; /* in KHz */ 944 unsigned int prediv; 945 unsigned int mult; 946 unsigned int postdiv; 947 unsigned int cvdd_min; /* in uV */ 948 unsigned int cvdd_max; /* in uV */ 949 }; 950 951 static const struct da850_opp da850_opp_456 = { 952 .freq = 456000, 953 .prediv = 1, 954 .mult = 19, 955 .postdiv = 1, 956 .cvdd_min = 1300000, 957 .cvdd_max = 1350000, 958 }; 959 960 static const struct da850_opp da850_opp_408 = { 961 .freq = 408000, 962 .prediv = 1, 963 .mult = 17, 964 .postdiv = 1, 965 .cvdd_min = 1300000, 966 .cvdd_max = 1350000, 967 }; 968 969 static const struct da850_opp da850_opp_372 = { 970 .freq = 372000, 971 .prediv = 2, 972 .mult = 31, 973 .postdiv = 1, 974 .cvdd_min = 1200000, 975 .cvdd_max = 1320000, 976 }; 977 978 static const struct da850_opp da850_opp_300 = { 979 .freq = 300000, 980 .prediv = 1, 981 .mult = 25, 982 .postdiv = 2, 983 .cvdd_min = 1200000, 984 .cvdd_max = 1320000, 985 }; 986 987 static const struct da850_opp da850_opp_200 = { 988 .freq = 200000, 989 .prediv = 1, 990 .mult = 25, 991 .postdiv = 3, 992 .cvdd_min = 1100000, 993 .cvdd_max = 1160000, 994 }; 995 996 static const struct da850_opp da850_opp_96 = { 997 .freq = 96000, 998 .prediv = 1, 999 .mult = 20, 1000 .postdiv = 5, 1001 .cvdd_min = 1000000, 1002 .cvdd_max = 1050000, 1003 }; 1004 1005 #define OPP(freq) \ 1006 { \ 1007 .driver_data = (unsigned int) &da850_opp_##freq, \ 1008 .frequency = freq * 1000, \ 1009 } 1010 1011 static struct cpufreq_frequency_table da850_freq_table[] = { 1012 OPP(456), 1013 OPP(408), 1014 OPP(372), 1015 OPP(300), 1016 OPP(200), 1017 OPP(96), 1018 { 1019 .driver_data = 0, 1020 .frequency = CPUFREQ_TABLE_END, 1021 }, 1022 }; 1023 1024 #ifdef CONFIG_REGULATOR 1025 static int da850_set_voltage(unsigned int index); 1026 static int da850_regulator_init(void); 1027 #endif 1028 1029 static struct davinci_cpufreq_config cpufreq_info = { 1030 .freq_table = da850_freq_table, 1031 #ifdef CONFIG_REGULATOR 1032 .init = da850_regulator_init, 1033 .set_voltage = da850_set_voltage, 1034 #endif 1035 }; 1036 1037 #ifdef CONFIG_REGULATOR 1038 static struct regulator *cvdd; 1039 1040 static int da850_set_voltage(unsigned int index) 1041 { 1042 struct da850_opp *opp; 1043 1044 if (!cvdd) 1045 return -ENODEV; 1046 1047 opp = (struct da850_opp *) cpufreq_info.freq_table[index].driver_data; 1048 1049 return regulator_set_voltage(cvdd, opp->cvdd_min, opp->cvdd_max); 1050 } 1051 1052 static int da850_regulator_init(void) 1053 { 1054 cvdd = regulator_get(NULL, "cvdd"); 1055 if (WARN(IS_ERR(cvdd), "Unable to obtain voltage regulator for CVDD;" 1056 " voltage scaling unsupported\n")) { 1057 return PTR_ERR(cvdd); 1058 } 1059 1060 return 0; 1061 } 1062 #endif 1063 1064 static struct platform_device da850_cpufreq_device = { 1065 .name = "cpufreq-davinci", 1066 .dev = { 1067 .platform_data = &cpufreq_info, 1068 }, 1069 .id = -1, 1070 }; 1071 1072 unsigned int da850_max_speed = 300000; 1073 1074 int da850_register_cpufreq(char *async_clk) 1075 { 1076 int i; 1077 1078 /* cpufreq driver can help keep an "async" clock constant */ 1079 if (async_clk) 1080 clk_add_alias("async", da850_cpufreq_device.name, 1081 async_clk, NULL); 1082 for (i = 0; i < ARRAY_SIZE(da850_freq_table); i++) { 1083 if (da850_freq_table[i].frequency <= da850_max_speed) { 1084 cpufreq_info.freq_table = &da850_freq_table[i]; 1085 break; 1086 } 1087 } 1088 1089 return platform_device_register(&da850_cpufreq_device); 1090 } 1091 1092 static int da850_round_armrate(struct clk *clk, unsigned long rate) 1093 { 1094 int i, ret = 0, diff; 1095 unsigned int best = (unsigned int) -1; 1096 struct cpufreq_frequency_table *table = cpufreq_info.freq_table; 1097 1098 rate /= 1000; /* convert to kHz */ 1099 1100 for (i = 0; table[i].frequency != CPUFREQ_TABLE_END; i++) { 1101 diff = table[i].frequency - rate; 1102 if (diff < 0) 1103 diff = -diff; 1104 1105 if (diff < best) { 1106 best = diff; 1107 ret = table[i].frequency; 1108 } 1109 } 1110 1111 return ret * 1000; 1112 } 1113 1114 static int da850_set_armrate(struct clk *clk, unsigned long index) 1115 { 1116 struct clk *pllclk = &pll0_clk; 1117 1118 return clk_set_rate(pllclk, index); 1119 } 1120 1121 static int da850_set_pll0rate(struct clk *clk, unsigned long index) 1122 { 1123 unsigned int prediv, mult, postdiv; 1124 struct da850_opp *opp; 1125 struct pll_data *pll = clk->pll_data; 1126 int ret; 1127 1128 opp = (struct da850_opp *) cpufreq_info.freq_table[index].driver_data; 1129 prediv = opp->prediv; 1130 mult = opp->mult; 1131 postdiv = opp->postdiv; 1132 1133 ret = davinci_set_pllrate(pll, prediv, mult, postdiv); 1134 if (WARN_ON(ret)) 1135 return ret; 1136 1137 return 0; 1138 } 1139 #else 1140 int __init da850_register_cpufreq(char *async_clk) 1141 { 1142 return 0; 1143 } 1144 1145 static int da850_set_armrate(struct clk *clk, unsigned long rate) 1146 { 1147 return -EINVAL; 1148 } 1149 1150 static int da850_set_pll0rate(struct clk *clk, unsigned long armrate) 1151 { 1152 return -EINVAL; 1153 } 1154 1155 static int da850_round_armrate(struct clk *clk, unsigned long rate) 1156 { 1157 return clk->rate; 1158 } 1159 #endif 1160 1161 int __init da850_register_pm(struct platform_device *pdev) 1162 { 1163 int ret; 1164 struct davinci_pm_config *pdata = pdev->dev.platform_data; 1165 1166 ret = davinci_cfg_reg(DA850_RTC_ALARM); 1167 if (ret) 1168 return ret; 1169 1170 pdata->ddr2_ctlr_base = da8xx_get_mem_ctlr(); 1171 pdata->deepsleep_reg = DA8XX_SYSCFG1_VIRT(DA8XX_DEEPSLEEP_REG); 1172 pdata->ddrpsc_num = DA8XX_LPSC1_EMIF3C; 1173 1174 pdata->cpupll_reg_base = ioremap(DA8XX_PLL0_BASE, SZ_4K); 1175 if (!pdata->cpupll_reg_base) 1176 return -ENOMEM; 1177 1178 pdata->ddrpll_reg_base = ioremap(DA850_PLL1_BASE, SZ_4K); 1179 if (!pdata->ddrpll_reg_base) { 1180 ret = -ENOMEM; 1181 goto no_ddrpll_mem; 1182 } 1183 1184 pdata->ddrpsc_reg_base = ioremap(DA8XX_PSC1_BASE, SZ_4K); 1185 if (!pdata->ddrpsc_reg_base) { 1186 ret = -ENOMEM; 1187 goto no_ddrpsc_mem; 1188 } 1189 1190 return platform_device_register(pdev); 1191 1192 no_ddrpsc_mem: 1193 iounmap(pdata->ddrpll_reg_base); 1194 no_ddrpll_mem: 1195 iounmap(pdata->cpupll_reg_base); 1196 return ret; 1197 } 1198 1199 /* VPIF resource, platform data */ 1200 static u64 da850_vpif_dma_mask = DMA_BIT_MASK(32); 1201 1202 static struct resource da850_vpif_resource[] = { 1203 { 1204 .start = DA8XX_VPIF_BASE, 1205 .end = DA8XX_VPIF_BASE + 0xfff, 1206 .flags = IORESOURCE_MEM, 1207 } 1208 }; 1209 1210 static struct platform_device da850_vpif_dev = { 1211 .name = "vpif", 1212 .id = -1, 1213 .dev = { 1214 .dma_mask = &da850_vpif_dma_mask, 1215 .coherent_dma_mask = DMA_BIT_MASK(32), 1216 }, 1217 .resource = da850_vpif_resource, 1218 .num_resources = ARRAY_SIZE(da850_vpif_resource), 1219 }; 1220 1221 static struct resource da850_vpif_display_resource[] = { 1222 { 1223 .start = IRQ_DA850_VPIFINT, 1224 .end = IRQ_DA850_VPIFINT, 1225 .flags = IORESOURCE_IRQ, 1226 }, 1227 }; 1228 1229 static struct platform_device da850_vpif_display_dev = { 1230 .name = "vpif_display", 1231 .id = -1, 1232 .dev = { 1233 .dma_mask = &da850_vpif_dma_mask, 1234 .coherent_dma_mask = DMA_BIT_MASK(32), 1235 }, 1236 .resource = da850_vpif_display_resource, 1237 .num_resources = ARRAY_SIZE(da850_vpif_display_resource), 1238 }; 1239 1240 static struct resource da850_vpif_capture_resource[] = { 1241 { 1242 .start = IRQ_DA850_VPIFINT, 1243 .end = IRQ_DA850_VPIFINT, 1244 .flags = IORESOURCE_IRQ, 1245 }, 1246 { 1247 .start = IRQ_DA850_VPIFINT, 1248 .end = IRQ_DA850_VPIFINT, 1249 .flags = IORESOURCE_IRQ, 1250 }, 1251 }; 1252 1253 static struct platform_device da850_vpif_capture_dev = { 1254 .name = "vpif_capture", 1255 .id = -1, 1256 .dev = { 1257 .dma_mask = &da850_vpif_dma_mask, 1258 .coherent_dma_mask = DMA_BIT_MASK(32), 1259 }, 1260 .resource = da850_vpif_capture_resource, 1261 .num_resources = ARRAY_SIZE(da850_vpif_capture_resource), 1262 }; 1263 1264 int __init da850_register_vpif(void) 1265 { 1266 return platform_device_register(&da850_vpif_dev); 1267 } 1268 1269 int __init da850_register_vpif_display(struct vpif_display_config 1270 *display_config) 1271 { 1272 da850_vpif_display_dev.dev.platform_data = display_config; 1273 return platform_device_register(&da850_vpif_display_dev); 1274 } 1275 1276 int __init da850_register_vpif_capture(struct vpif_capture_config 1277 *capture_config) 1278 { 1279 da850_vpif_capture_dev.dev.platform_data = capture_config; 1280 return platform_device_register(&da850_vpif_capture_dev); 1281 } 1282 1283 static struct davinci_soc_info davinci_soc_info_da850 = { 1284 .io_desc = da850_io_desc, 1285 .io_desc_num = ARRAY_SIZE(da850_io_desc), 1286 .jtag_id_reg = DA8XX_SYSCFG0_BASE + DA8XX_JTAG_ID_REG, 1287 .ids = da850_ids, 1288 .ids_num = ARRAY_SIZE(da850_ids), 1289 .cpu_clks = da850_clks, 1290 .psc_bases = da850_psc_bases, 1291 .psc_bases_num = ARRAY_SIZE(da850_psc_bases), 1292 .pinmux_base = DA8XX_SYSCFG0_BASE + 0x120, 1293 .pinmux_pins = da850_pins, 1294 .pinmux_pins_num = ARRAY_SIZE(da850_pins), 1295 .intc_base = DA8XX_CP_INTC_BASE, 1296 .intc_type = DAVINCI_INTC_TYPE_CP_INTC, 1297 .intc_irq_prios = da850_default_priorities, 1298 .intc_irq_num = DA850_N_CP_INTC_IRQ, 1299 .timer_info = &da850_timer_info, 1300 .gpio_type = GPIO_TYPE_DAVINCI, 1301 .gpio_base = DA8XX_GPIO_BASE, 1302 .gpio_num = 144, 1303 .gpio_irq = IRQ_DA8XX_GPIO0, 1304 .serial_dev = da8xx_serial_device, 1305 .emac_pdata = &da8xx_emac_pdata, 1306 .sram_dma = DA8XX_SHARED_RAM_BASE, 1307 .sram_len = SZ_128K, 1308 }; 1309 1310 void __init da850_init(void) 1311 { 1312 unsigned int v; 1313 1314 davinci_common_init(&davinci_soc_info_da850); 1315 1316 da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K); 1317 if (WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module")) 1318 return; 1319 1320 da8xx_syscfg1_base = ioremap(DA8XX_SYSCFG1_BASE, SZ_4K); 1321 if (WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module")) 1322 return; 1323 1324 /* 1325 * Move the clock source of Async3 domain to PLL1 SYSCLK2. 1326 * This helps keeping the peripherals on this domain insulated 1327 * from CPU frequency changes caused by DVFS. The firmware sets 1328 * both PLL0 and PLL1 to the same frequency so, there should not 1329 * be any noticeable change even in non-DVFS use cases. 1330 */ 1331 da850_set_async3_src(1); 1332 1333 /* Unlock writing to PLL0 registers */ 1334 v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG)); 1335 v &= ~CFGCHIP0_PLL_MASTER_LOCK; 1336 __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG)); 1337 1338 /* Unlock writing to PLL1 registers */ 1339 v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); 1340 v &= ~CFGCHIP3_PLL1_MASTER_LOCK; 1341 __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); 1342 } 1343