dm644x.c (18628B)
1/* 2 * TI DaVinci DM644x chip specific setup 3 * 4 * Author: Kevin Hilman, Deep Root Systems, LLC 5 * 6 * 2007 (c) Deep Root Systems, LLC. This file is licensed under 7 * the terms of the GNU General Public License version 2. This program 8 * is licensed "as is" without any warranty of any kind, whether express 9 * or implied. 10 */ 11 12#include <linux/clk-provider.h> 13#include <linux/clk/davinci.h> 14#include <linux/clkdev.h> 15#include <linux/dmaengine.h> 16#include <linux/init.h> 17#include <linux/io.h> 18#include <linux/irqchip/irq-davinci-aintc.h> 19#include <linux/platform_data/edma.h> 20#include <linux/platform_data/gpio-davinci.h> 21#include <linux/platform_device.h> 22#include <linux/serial_8250.h> 23 24#include <clocksource/timer-davinci.h> 25 26#include <asm/mach/map.h> 27 28#include "common.h" 29#include "cputype.h" 30#include "serial.h" 31#include "asp.h" 32#include "davinci.h" 33#include "irqs.h" 34#include "mux.h" 35 36/* 37 * Device specific clocks 38 */ 39#define DM644X_REF_FREQ 27000000 40 41#define DM644X_EMAC_BASE 0x01c80000 42#define DM644X_EMAC_MDIO_BASE (DM644X_EMAC_BASE + 0x4000) 43#define DM644X_EMAC_CNTRL_OFFSET 0x0000 44#define DM644X_EMAC_CNTRL_MOD_OFFSET 0x1000 45#define DM644X_EMAC_CNTRL_RAM_OFFSET 0x2000 46#define DM644X_EMAC_CNTRL_RAM_SIZE 0x2000 47 48static struct emac_platform_data dm644x_emac_pdata = { 49 .ctrl_reg_offset = DM644X_EMAC_CNTRL_OFFSET, 50 .ctrl_mod_reg_offset = DM644X_EMAC_CNTRL_MOD_OFFSET, 51 .ctrl_ram_offset = DM644X_EMAC_CNTRL_RAM_OFFSET, 52 .ctrl_ram_size = DM644X_EMAC_CNTRL_RAM_SIZE, 53 .version = EMAC_VERSION_1, 54}; 55 56static struct resource dm644x_emac_resources[] = { 57 { 58 .start = DM644X_EMAC_BASE, 59 .end = DM644X_EMAC_BASE + SZ_16K - 1, 60 .flags = IORESOURCE_MEM, 61 }, 62 { 63 .start = DAVINCI_INTC_IRQ(IRQ_EMACINT), 64 .end = DAVINCI_INTC_IRQ(IRQ_EMACINT), 65 .flags = IORESOURCE_IRQ, 66 }, 67}; 68 69static struct platform_device dm644x_emac_device = { 70 .name = "davinci_emac", 71 .id = 1, 72 .dev = { 73 .platform_data = &dm644x_emac_pdata, 74 }, 75 .num_resources = ARRAY_SIZE(dm644x_emac_resources), 76 .resource = dm644x_emac_resources, 77}; 78 79static struct resource dm644x_mdio_resources[] = { 80 { 81 .start = DM644X_EMAC_MDIO_BASE, 82 .end = DM644X_EMAC_MDIO_BASE + SZ_4K - 1, 83 .flags = IORESOURCE_MEM, 84 }, 85}; 86 87static struct platform_device dm644x_mdio_device = { 88 .name = "davinci_mdio", 89 .id = 0, 90 .num_resources = ARRAY_SIZE(dm644x_mdio_resources), 91 .resource = dm644x_mdio_resources, 92}; 93 94/* 95 * Device specific mux setup 96 * 97 * soc description mux mode mode mux dbg 98 * reg offset mask mode 99 */ 100static const struct mux_config dm644x_pins[] = { 101#ifdef CONFIG_DAVINCI_MUX 102MUX_CFG(DM644X, HDIREN, 0, 16, 1, 1, true) 103MUX_CFG(DM644X, ATAEN, 0, 17, 1, 1, true) 104MUX_CFG(DM644X, ATAEN_DISABLE, 0, 17, 1, 0, true) 105 106MUX_CFG(DM644X, HPIEN_DISABLE, 0, 29, 1, 0, true) 107 108MUX_CFG(DM644X, AEAW, 0, 0, 31, 31, true) 109MUX_CFG(DM644X, AEAW0, 0, 0, 1, 0, true) 110MUX_CFG(DM644X, AEAW1, 0, 1, 1, 0, true) 111MUX_CFG(DM644X, AEAW2, 0, 2, 1, 0, true) 112MUX_CFG(DM644X, AEAW3, 0, 3, 1, 0, true) 113MUX_CFG(DM644X, AEAW4, 0, 4, 1, 0, true) 114 115MUX_CFG(DM644X, MSTK, 1, 9, 1, 0, false) 116 117MUX_CFG(DM644X, I2C, 1, 7, 1, 1, false) 118 119MUX_CFG(DM644X, MCBSP, 1, 10, 1, 1, false) 120 121MUX_CFG(DM644X, UART1, 1, 1, 1, 1, true) 122MUX_CFG(DM644X, UART2, 1, 2, 1, 1, true) 123 124MUX_CFG(DM644X, PWM0, 1, 4, 1, 1, false) 125 126MUX_CFG(DM644X, PWM1, 1, 5, 1, 1, false) 127 128MUX_CFG(DM644X, PWM2, 1, 6, 1, 1, false) 129 130MUX_CFG(DM644X, VLYNQEN, 0, 15, 1, 1, false) 131MUX_CFG(DM644X, VLSCREN, 0, 14, 1, 1, false) 132MUX_CFG(DM644X, VLYNQWD, 0, 12, 3, 3, false) 133 134MUX_CFG(DM644X, EMACEN, 0, 31, 1, 1, true) 135 136MUX_CFG(DM644X, GPIO3V, 0, 31, 1, 0, true) 137 138MUX_CFG(DM644X, GPIO0, 0, 24, 1, 0, true) 139MUX_CFG(DM644X, GPIO3, 0, 25, 1, 0, false) 140MUX_CFG(DM644X, GPIO43_44, 1, 7, 1, 0, false) 141MUX_CFG(DM644X, GPIO46_47, 0, 22, 1, 0, true) 142 143MUX_CFG(DM644X, RGB666, 0, 22, 1, 1, true) 144 145MUX_CFG(DM644X, LOEEN, 0, 24, 1, 1, true) 146MUX_CFG(DM644X, LFLDEN, 0, 25, 1, 1, false) 147#endif 148}; 149 150/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */ 151static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = { 152 [IRQ_VDINT0] = 2, 153 [IRQ_VDINT1] = 6, 154 [IRQ_VDINT2] = 6, 155 [IRQ_HISTINT] = 6, 156 [IRQ_H3AINT] = 6, 157 [IRQ_PRVUINT] = 6, 158 [IRQ_RSZINT] = 6, 159 [7] = 7, 160 [IRQ_VENCINT] = 6, 161 [IRQ_ASQINT] = 6, 162 [IRQ_IMXINT] = 6, 163 [IRQ_VLCDINT] = 6, 164 [IRQ_USBINT] = 4, 165 [IRQ_EMACINT] = 4, 166 [14] = 7, 167 [15] = 7, 168 [IRQ_CCINT0] = 5, /* dma */ 169 [IRQ_CCERRINT] = 5, /* dma */ 170 [IRQ_TCERRINT0] = 5, /* dma */ 171 [IRQ_TCERRINT] = 5, /* dma */ 172 [IRQ_PSCIN] = 7, 173 [21] = 7, 174 [IRQ_IDE] = 4, 175 [23] = 7, 176 [IRQ_MBXINT] = 7, 177 [IRQ_MBRINT] = 7, 178 [IRQ_MMCINT] = 7, 179 [IRQ_SDIOINT] = 7, 180 [28] = 7, 181 [IRQ_DDRINT] = 7, 182 [IRQ_AEMIFINT] = 7, 183 [IRQ_VLQINT] = 4, 184 [IRQ_TINT0_TINT12] = 2, /* clockevent */ 185 [IRQ_TINT0_TINT34] = 2, /* clocksource */ 186 [IRQ_TINT1_TINT12] = 7, /* DSP timer */ 187 [IRQ_TINT1_TINT34] = 7, /* system tick */ 188 [IRQ_PWMINT0] = 7, 189 [IRQ_PWMINT1] = 7, 190 [IRQ_PWMINT2] = 7, 191 [IRQ_I2C] = 3, 192 [IRQ_UARTINT0] = 3, 193 [IRQ_UARTINT1] = 3, 194 [IRQ_UARTINT2] = 3, 195 [IRQ_SPINT0] = 3, 196 [IRQ_SPINT1] = 3, 197 [45] = 7, 198 [IRQ_DSP2ARM0] = 4, 199 [IRQ_DSP2ARM1] = 4, 200 [IRQ_GPIO0] = 7, 201 [IRQ_GPIO1] = 7, 202 [IRQ_GPIO2] = 7, 203 [IRQ_GPIO3] = 7, 204 [IRQ_GPIO4] = 7, 205 [IRQ_GPIO5] = 7, 206 [IRQ_GPIO6] = 7, 207 [IRQ_GPIO7] = 7, 208 [IRQ_GPIOBNK0] = 7, 209 [IRQ_GPIOBNK1] = 7, 210 [IRQ_GPIOBNK2] = 7, 211 [IRQ_GPIOBNK3] = 7, 212 [IRQ_GPIOBNK4] = 7, 213 [IRQ_COMMTX] = 7, 214 [IRQ_COMMRX] = 7, 215 [IRQ_EMUINT] = 7, 216}; 217 218/*----------------------------------------------------------------------*/ 219 220static s8 queue_priority_mapping[][2] = { 221 /* {event queue no, Priority} */ 222 {0, 3}, 223 {1, 7}, 224 {-1, -1}, 225}; 226 227static const struct dma_slave_map dm644x_edma_map[] = { 228 { "davinci-mcbsp", "tx", EDMA_FILTER_PARAM(0, 2) }, 229 { "davinci-mcbsp", "rx", EDMA_FILTER_PARAM(0, 3) }, 230 { "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) }, 231 { "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) }, 232 { "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) }, 233 { "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) }, 234}; 235 236static struct edma_soc_info dm644x_edma_pdata = { 237 .queue_priority_mapping = queue_priority_mapping, 238 .default_queue = EVENTQ_1, 239 .slave_map = dm644x_edma_map, 240 .slavecnt = ARRAY_SIZE(dm644x_edma_map), 241}; 242 243static struct resource edma_resources[] = { 244 { 245 .name = "edma3_cc", 246 .start = 0x01c00000, 247 .end = 0x01c00000 + SZ_64K - 1, 248 .flags = IORESOURCE_MEM, 249 }, 250 { 251 .name = "edma3_tc0", 252 .start = 0x01c10000, 253 .end = 0x01c10000 + SZ_1K - 1, 254 .flags = IORESOURCE_MEM, 255 }, 256 { 257 .name = "edma3_tc1", 258 .start = 0x01c10400, 259 .end = 0x01c10400 + SZ_1K - 1, 260 .flags = IORESOURCE_MEM, 261 }, 262 { 263 .name = "edma3_ccint", 264 .start = DAVINCI_INTC_IRQ(IRQ_CCINT0), 265 .flags = IORESOURCE_IRQ, 266 }, 267 { 268 .name = "edma3_ccerrint", 269 .start = DAVINCI_INTC_IRQ(IRQ_CCERRINT), 270 .flags = IORESOURCE_IRQ, 271 }, 272 /* not using TC*_ERR */ 273}; 274 275static const struct platform_device_info dm644x_edma_device __initconst = { 276 .name = "edma", 277 .id = 0, 278 .dma_mask = DMA_BIT_MASK(32), 279 .res = edma_resources, 280 .num_res = ARRAY_SIZE(edma_resources), 281 .data = &dm644x_edma_pdata, 282 .size_data = sizeof(dm644x_edma_pdata), 283}; 284 285/* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */ 286static struct resource dm644x_asp_resources[] = { 287 { 288 .name = "mpu", 289 .start = DAVINCI_ASP0_BASE, 290 .end = DAVINCI_ASP0_BASE + SZ_8K - 1, 291 .flags = IORESOURCE_MEM, 292 }, 293 { 294 .start = DAVINCI_DMA_ASP0_TX, 295 .end = DAVINCI_DMA_ASP0_TX, 296 .flags = IORESOURCE_DMA, 297 }, 298 { 299 .start = DAVINCI_DMA_ASP0_RX, 300 .end = DAVINCI_DMA_ASP0_RX, 301 .flags = IORESOURCE_DMA, 302 }, 303}; 304 305static struct platform_device dm644x_asp_device = { 306 .name = "davinci-mcbsp", 307 .id = -1, 308 .num_resources = ARRAY_SIZE(dm644x_asp_resources), 309 .resource = dm644x_asp_resources, 310}; 311 312#define DM644X_VPSS_BASE 0x01c73400 313 314static struct resource dm644x_vpss_resources[] = { 315 { 316 /* VPSS Base address */ 317 .name = "vpss", 318 .start = DM644X_VPSS_BASE, 319 .end = DM644X_VPSS_BASE + 0xff, 320 .flags = IORESOURCE_MEM, 321 }, 322}; 323 324static struct platform_device dm644x_vpss_device = { 325 .name = "vpss", 326 .id = -1, 327 .dev.platform_data = "dm644x_vpss", 328 .num_resources = ARRAY_SIZE(dm644x_vpss_resources), 329 .resource = dm644x_vpss_resources, 330}; 331 332static struct resource dm644x_vpfe_resources[] = { 333 { 334 .start = DAVINCI_INTC_IRQ(IRQ_VDINT0), 335 .end = DAVINCI_INTC_IRQ(IRQ_VDINT0), 336 .flags = IORESOURCE_IRQ, 337 }, 338 { 339 .start = DAVINCI_INTC_IRQ(IRQ_VDINT1), 340 .end = DAVINCI_INTC_IRQ(IRQ_VDINT1), 341 .flags = IORESOURCE_IRQ, 342 }, 343}; 344 345static u64 dm644x_video_dma_mask = DMA_BIT_MASK(32); 346static struct resource dm644x_ccdc_resource[] = { 347 /* CCDC Base address */ 348 { 349 .start = 0x01c70400, 350 .end = 0x01c70400 + 0xff, 351 .flags = IORESOURCE_MEM, 352 }, 353}; 354 355static struct platform_device dm644x_ccdc_dev = { 356 .name = "dm644x_ccdc", 357 .id = -1, 358 .num_resources = ARRAY_SIZE(dm644x_ccdc_resource), 359 .resource = dm644x_ccdc_resource, 360 .dev = { 361 .dma_mask = &dm644x_video_dma_mask, 362 .coherent_dma_mask = DMA_BIT_MASK(32), 363 }, 364}; 365 366static struct platform_device dm644x_vpfe_dev = { 367 .name = CAPTURE_DRV_NAME, 368 .id = -1, 369 .num_resources = ARRAY_SIZE(dm644x_vpfe_resources), 370 .resource = dm644x_vpfe_resources, 371 .dev = { 372 .dma_mask = &dm644x_video_dma_mask, 373 .coherent_dma_mask = DMA_BIT_MASK(32), 374 }, 375}; 376 377#define DM644X_OSD_BASE 0x01c72600 378 379static struct resource dm644x_osd_resources[] = { 380 { 381 .start = DM644X_OSD_BASE, 382 .end = DM644X_OSD_BASE + 0x1ff, 383 .flags = IORESOURCE_MEM, 384 }, 385}; 386 387static struct platform_device dm644x_osd_dev = { 388 .name = DM644X_VPBE_OSD_SUBDEV_NAME, 389 .id = -1, 390 .num_resources = ARRAY_SIZE(dm644x_osd_resources), 391 .resource = dm644x_osd_resources, 392 .dev = { 393 .dma_mask = &dm644x_video_dma_mask, 394 .coherent_dma_mask = DMA_BIT_MASK(32), 395 }, 396}; 397 398#define DM644X_VENC_BASE 0x01c72400 399 400static struct resource dm644x_venc_resources[] = { 401 { 402 .start = DM644X_VENC_BASE, 403 .end = DM644X_VENC_BASE + 0x17f, 404 .flags = IORESOURCE_MEM, 405 }, 406}; 407 408#define DM644X_VPSS_MUXSEL_PLL2_MODE BIT(0) 409#define DM644X_VPSS_MUXSEL_VPBECLK_MODE BIT(1) 410#define DM644X_VPSS_VENCLKEN BIT(3) 411#define DM644X_VPSS_DACCLKEN BIT(4) 412 413static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type, 414 unsigned int pclock) 415{ 416 int ret = 0; 417 u32 v = DM644X_VPSS_VENCLKEN; 418 419 switch (type) { 420 case VPBE_ENC_STD: 421 v |= DM644X_VPSS_DACCLKEN; 422 writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL)); 423 break; 424 case VPBE_ENC_DV_TIMINGS: 425 if (pclock <= 27000000) { 426 v |= DM644X_VPSS_DACCLKEN; 427 writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL)); 428 } else { 429 /* 430 * For HD, use external clock source since 431 * HD requires higher clock rate 432 */ 433 v |= DM644X_VPSS_MUXSEL_VPBECLK_MODE; 434 writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL)); 435 } 436 break; 437 default: 438 ret = -EINVAL; 439 } 440 441 return ret; 442} 443 444static struct resource dm644x_v4l2_disp_resources[] = { 445 { 446 .start = DAVINCI_INTC_IRQ(IRQ_VENCINT), 447 .end = DAVINCI_INTC_IRQ(IRQ_VENCINT), 448 .flags = IORESOURCE_IRQ, 449 }, 450}; 451 452static struct platform_device dm644x_vpbe_display = { 453 .name = "vpbe-v4l2", 454 .id = -1, 455 .num_resources = ARRAY_SIZE(dm644x_v4l2_disp_resources), 456 .resource = dm644x_v4l2_disp_resources, 457 .dev = { 458 .dma_mask = &dm644x_video_dma_mask, 459 .coherent_dma_mask = DMA_BIT_MASK(32), 460 }, 461}; 462 463static struct venc_platform_data dm644x_venc_pdata = { 464 .setup_clock = dm644x_venc_setup_clock, 465}; 466 467static struct platform_device dm644x_venc_dev = { 468 .name = DM644X_VPBE_VENC_SUBDEV_NAME, 469 .id = -1, 470 .num_resources = ARRAY_SIZE(dm644x_venc_resources), 471 .resource = dm644x_venc_resources, 472 .dev = { 473 .dma_mask = &dm644x_video_dma_mask, 474 .coherent_dma_mask = DMA_BIT_MASK(32), 475 .platform_data = &dm644x_venc_pdata, 476 }, 477}; 478 479static struct platform_device dm644x_vpbe_dev = { 480 .name = "vpbe_controller", 481 .id = -1, 482 .dev = { 483 .dma_mask = &dm644x_video_dma_mask, 484 .coherent_dma_mask = DMA_BIT_MASK(32), 485 }, 486}; 487 488static struct resource dm644_gpio_resources[] = { 489 { /* registers */ 490 .start = DAVINCI_GPIO_BASE, 491 .end = DAVINCI_GPIO_BASE + SZ_4K - 1, 492 .flags = IORESOURCE_MEM, 493 }, 494 { /* interrupt */ 495 .start = DAVINCI_INTC_IRQ(IRQ_GPIOBNK0), 496 .end = DAVINCI_INTC_IRQ(IRQ_GPIOBNK0), 497 .flags = IORESOURCE_IRQ, 498 }, 499 { 500 .start = DAVINCI_INTC_IRQ(IRQ_GPIOBNK1), 501 .end = DAVINCI_INTC_IRQ(IRQ_GPIOBNK1), 502 .flags = IORESOURCE_IRQ, 503 }, 504 { 505 .start = DAVINCI_INTC_IRQ(IRQ_GPIOBNK2), 506 .end = DAVINCI_INTC_IRQ(IRQ_GPIOBNK2), 507 .flags = IORESOURCE_IRQ, 508 }, 509 { 510 .start = DAVINCI_INTC_IRQ(IRQ_GPIOBNK3), 511 .end = DAVINCI_INTC_IRQ(IRQ_GPIOBNK3), 512 .flags = IORESOURCE_IRQ, 513 }, 514 { 515 .start = DAVINCI_INTC_IRQ(IRQ_GPIOBNK4), 516 .end = DAVINCI_INTC_IRQ(IRQ_GPIOBNK4), 517 .flags = IORESOURCE_IRQ, 518 }, 519}; 520 521static struct davinci_gpio_platform_data dm644_gpio_platform_data = { 522 .no_auto_base = true, 523 .base = 0, 524 .ngpio = 71, 525}; 526 527int __init dm644x_gpio_register(void) 528{ 529 return davinci_gpio_register(dm644_gpio_resources, 530 ARRAY_SIZE(dm644_gpio_resources), 531 &dm644_gpio_platform_data); 532} 533/*----------------------------------------------------------------------*/ 534 535static struct map_desc dm644x_io_desc[] = { 536 { 537 .virtual = IO_VIRT, 538 .pfn = __phys_to_pfn(IO_PHYS), 539 .length = IO_SIZE, 540 .type = MT_DEVICE 541 }, 542}; 543 544/* Contents of JTAG ID register used to identify exact cpu type */ 545static struct davinci_id dm644x_ids[] = { 546 { 547 .variant = 0x0, 548 .part_no = 0xb700, 549 .manufacturer = 0x017, 550 .cpu_id = DAVINCI_CPU_ID_DM6446, 551 .name = "dm6446", 552 }, 553 { 554 .variant = 0x1, 555 .part_no = 0xb700, 556 .manufacturer = 0x017, 557 .cpu_id = DAVINCI_CPU_ID_DM6446, 558 .name = "dm6446a", 559 }, 560}; 561 562/* 563 * Bottom half of timer0 is used for clockevent, top half is used for 564 * clocksource. 565 */ 566static const struct davinci_timer_cfg dm644x_timer_cfg = { 567 .reg = DEFINE_RES_IO(DAVINCI_TIMER0_BASE, SZ_4K), 568 .irq = { 569 DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT12)), 570 DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT34)), 571 }, 572}; 573 574static struct plat_serial8250_port dm644x_serial0_platform_data[] = { 575 { 576 .mapbase = DAVINCI_UART0_BASE, 577 .irq = DAVINCI_INTC_IRQ(IRQ_UARTINT0), 578 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | 579 UPF_IOREMAP, 580 .iotype = UPIO_MEM, 581 .regshift = 2, 582 }, 583 { 584 .flags = 0, 585 } 586}; 587static struct plat_serial8250_port dm644x_serial1_platform_data[] = { 588 { 589 .mapbase = DAVINCI_UART1_BASE, 590 .irq = DAVINCI_INTC_IRQ(IRQ_UARTINT1), 591 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | 592 UPF_IOREMAP, 593 .iotype = UPIO_MEM, 594 .regshift = 2, 595 }, 596 { 597 .flags = 0, 598 } 599}; 600static struct plat_serial8250_port dm644x_serial2_platform_data[] = { 601 { 602 .mapbase = DAVINCI_UART2_BASE, 603 .irq = DAVINCI_INTC_IRQ(IRQ_UARTINT2), 604 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | 605 UPF_IOREMAP, 606 .iotype = UPIO_MEM, 607 .regshift = 2, 608 }, 609 { 610 .flags = 0, 611 } 612}; 613 614struct platform_device dm644x_serial_device[] = { 615 { 616 .name = "serial8250", 617 .id = PLAT8250_DEV_PLATFORM, 618 .dev = { 619 .platform_data = dm644x_serial0_platform_data, 620 } 621 }, 622 { 623 .name = "serial8250", 624 .id = PLAT8250_DEV_PLATFORM1, 625 .dev = { 626 .platform_data = dm644x_serial1_platform_data, 627 } 628 }, 629 { 630 .name = "serial8250", 631 .id = PLAT8250_DEV_PLATFORM2, 632 .dev = { 633 .platform_data = dm644x_serial2_platform_data, 634 } 635 }, 636 { 637 } 638}; 639 640static const struct davinci_soc_info davinci_soc_info_dm644x = { 641 .io_desc = dm644x_io_desc, 642 .io_desc_num = ARRAY_SIZE(dm644x_io_desc), 643 .jtag_id_reg = 0x01c40028, 644 .ids = dm644x_ids, 645 .ids_num = ARRAY_SIZE(dm644x_ids), 646 .pinmux_base = DAVINCI_SYSTEM_MODULE_BASE, 647 .pinmux_pins = dm644x_pins, 648 .pinmux_pins_num = ARRAY_SIZE(dm644x_pins), 649 .emac_pdata = &dm644x_emac_pdata, 650 .sram_dma = 0x00008000, 651 .sram_len = SZ_16K, 652}; 653 654void __init dm644x_init_asp(void) 655{ 656 davinci_cfg_reg(DM644X_MCBSP); 657 platform_device_register(&dm644x_asp_device); 658} 659 660void __init dm644x_init(void) 661{ 662 davinci_common_init(&davinci_soc_info_dm644x); 663 davinci_map_sysmod(); 664} 665 666void __init dm644x_init_time(void) 667{ 668 void __iomem *pll1, *psc; 669 struct clk *clk; 670 int rv; 671 672 clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DM644X_REF_FREQ); 673 674 pll1 = ioremap(DAVINCI_PLL1_BASE, SZ_1K); 675 dm644x_pll1_init(NULL, pll1, NULL); 676 677 psc = ioremap(DAVINCI_PWR_SLEEP_CNTRL_BASE, SZ_4K); 678 dm644x_psc_init(NULL, psc); 679 680 clk = clk_get(NULL, "timer0"); 681 if (WARN_ON(IS_ERR(clk))) { 682 pr_err("Unable to get the timer clock\n"); 683 return; 684 } 685 686 rv = davinci_timer_register(clk, &dm644x_timer_cfg); 687 WARN(rv, "Unable to register the timer: %d\n", rv); 688} 689 690static struct resource dm644x_pll2_resources[] = { 691 { 692 .start = DAVINCI_PLL2_BASE, 693 .end = DAVINCI_PLL2_BASE + SZ_1K - 1, 694 .flags = IORESOURCE_MEM, 695 }, 696}; 697 698static struct platform_device dm644x_pll2_device = { 699 .name = "dm644x-pll2", 700 .id = -1, 701 .resource = dm644x_pll2_resources, 702 .num_resources = ARRAY_SIZE(dm644x_pll2_resources), 703}; 704 705void __init dm644x_register_clocks(void) 706{ 707 /* PLL1 and PSC are registered in dm644x_init_time() */ 708 platform_device_register(&dm644x_pll2_device); 709} 710 711int __init dm644x_init_video(struct vpfe_config *vpfe_cfg, 712 struct vpbe_config *vpbe_cfg) 713{ 714 if (vpfe_cfg || vpbe_cfg) 715 platform_device_register(&dm644x_vpss_device); 716 717 if (vpfe_cfg) { 718 dm644x_vpfe_dev.dev.platform_data = vpfe_cfg; 719 platform_device_register(&dm644x_ccdc_dev); 720 platform_device_register(&dm644x_vpfe_dev); 721 } 722 723 if (vpbe_cfg) { 724 dm644x_vpbe_dev.dev.platform_data = vpbe_cfg; 725 platform_device_register(&dm644x_osd_dev); 726 platform_device_register(&dm644x_venc_dev); 727 platform_device_register(&dm644x_vpbe_dev); 728 platform_device_register(&dm644x_vpbe_display); 729 } 730 731 return 0; 732} 733 734static const struct davinci_aintc_config dm644x_aintc_config = { 735 .reg = { 736 .start = DAVINCI_ARM_INTC_BASE, 737 .end = DAVINCI_ARM_INTC_BASE + SZ_4K - 1, 738 .flags = IORESOURCE_MEM, 739 }, 740 .num_irqs = 64, 741 .prios = dm644x_default_priorities, 742}; 743 744void __init dm644x_init_irq(void) 745{ 746 davinci_aintc_init(&dm644x_aintc_config); 747} 748 749void __init dm644x_init_devices(void) 750{ 751 struct platform_device *edma_pdev; 752 int ret; 753 754 edma_pdev = platform_device_register_full(&dm644x_edma_device); 755 if (IS_ERR(edma_pdev)) 756 pr_warn("%s: Failed to register eDMA\n", __func__); 757 758 platform_device_register(&dm644x_mdio_device); 759 platform_device_register(&dm644x_emac_device); 760 761 ret = davinci_init_wdt(); 762 if (ret) 763 pr_warn("%s: watchdog init failed: %d\n", __func__, ret); 764 765}