1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Renesas System Solutions Asia Pte. Ltd - Migo-R 4 * 5 * Copyright (C) 2008 Magnus Damm 6 */ 7 #include <linux/clkdev.h> 8 #include <linux/dma-map-ops.h> 9 #include <linux/init.h> 10 #include <linux/platform_device.h> 11 #include <linux/interrupt.h> 12 #include <linux/input.h> 13 #include <linux/input/sh_keysc.h> 14 #include <linux/memblock.h> 15 #include <linux/mmc/host.h> 16 #include <linux/mtd/physmap.h> 17 #include <linux/mfd/tmio.h> 18 #include <linux/mtd/platnand.h> 19 #include <linux/i2c.h> 20 #include <linux/regulator/fixed.h> 21 #include <linux/regulator/machine.h> 22 #include <linux/smc91x.h> 23 #include <linux/delay.h> 24 #include <linux/clk.h> 25 #include <linux/gpio.h> 26 #include <linux/gpio/machine.h> 27 #include <linux/videodev2.h> 28 #include <linux/sh_intc.h> 29 #include <video/sh_mobile_lcdc.h> 30 #include <media/drv-intf/renesas-ceu.h> 31 #include <media/i2c/ov772x.h> 32 #include <media/i2c/tw9910.h> 33 #include <asm/clock.h> 34 #include <asm/machvec.h> 35 #include <asm/io.h> 36 #include <asm/suspend.h> 37 #include <mach/migor.h> 38 #include <cpu/sh7722.h> 39 40 /* Address IRQ Size Bus Description 41 * 0x00000000 64MB 16 NOR Flash (SP29PL256N) 42 * 0x0c000000 64MB 64 SDRAM (2xK4M563233G) 43 * 0x10000000 IRQ0 16 Ethernet (SMC91C111) 44 * 0x14000000 IRQ4 16 USB 2.0 Host Controller (M66596) 45 * 0x18000000 8GB 8 NAND Flash (K9K8G08U0A) 46 */ 47 48 #define CEU_BUFFER_MEMORY_SIZE (4 << 20) 49 static phys_addr_t ceu_dma_membase; 50 51 static struct smc91x_platdata smc91x_info = { 52 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT, 53 }; 54 55 static struct resource smc91x_eth_resources[] = { 56 [0] = { 57 .name = "SMC91C111" , 58 .start = 0x10000300, 59 .end = 0x1000030f, 60 .flags = IORESOURCE_MEM, 61 }, 62 [1] = { 63 .start = evt2irq(0x600), /* IRQ0 */ 64 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, 65 }, 66 }; 67 68 static struct platform_device smc91x_eth_device = { 69 .name = "smc91x", 70 .num_resources = ARRAY_SIZE(smc91x_eth_resources), 71 .resource = smc91x_eth_resources, 72 .dev = { 73 .platform_data = &smc91x_info, 74 }, 75 }; 76 77 static struct sh_keysc_info sh_keysc_info = { 78 .mode = SH_KEYSC_MODE_2, /* KEYOUT0->4, KEYIN1->5 */ 79 .scan_timing = 3, 80 .delay = 5, 81 .keycodes = { 82 0, KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_ENTER, 83 0, KEY_F, KEY_C, KEY_D, KEY_H, KEY_1, 84 0, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, 85 0, KEY_7, KEY_8, KEY_9, KEY_S, KEY_0, 86 0, KEY_P, KEY_STOP, KEY_REWIND, KEY_PLAY, KEY_FASTFORWARD, 87 }, 88 }; 89 90 static struct resource sh_keysc_resources[] = { 91 [0] = { 92 .start = 0x044b0000, 93 .end = 0x044b000f, 94 .flags = IORESOURCE_MEM, 95 }, 96 [1] = { 97 .start = evt2irq(0xbe0), 98 .flags = IORESOURCE_IRQ, 99 }, 100 }; 101 102 static struct platform_device sh_keysc_device = { 103 .name = "sh_keysc", 104 .id = 0, /* "keysc0" clock */ 105 .num_resources = ARRAY_SIZE(sh_keysc_resources), 106 .resource = sh_keysc_resources, 107 .dev = { 108 .platform_data = &sh_keysc_info, 109 }, 110 }; 111 112 static struct mtd_partition migor_nor_flash_partitions[] = 113 { 114 { 115 .name = "uboot", 116 .offset = 0, 117 .size = (1 * 1024 * 1024), 118 .mask_flags = MTD_WRITEABLE, /* Read-only */ 119 }, 120 { 121 .name = "rootfs", 122 .offset = MTDPART_OFS_APPEND, 123 .size = (15 * 1024 * 1024), 124 }, 125 { 126 .name = "other", 127 .offset = MTDPART_OFS_APPEND, 128 .size = MTDPART_SIZ_FULL, 129 }, 130 }; 131 132 static struct physmap_flash_data migor_nor_flash_data = { 133 .width = 2, 134 .parts = migor_nor_flash_partitions, 135 .nr_parts = ARRAY_SIZE(migor_nor_flash_partitions), 136 }; 137 138 static struct resource migor_nor_flash_resources[] = { 139 [0] = { 140 .name = "NOR Flash", 141 .start = 0x00000000, 142 .end = 0x03ffffff, 143 .flags = IORESOURCE_MEM, 144 } 145 }; 146 147 static struct platform_device migor_nor_flash_device = { 148 .name = "physmap-flash", 149 .resource = migor_nor_flash_resources, 150 .num_resources = ARRAY_SIZE(migor_nor_flash_resources), 151 .dev = { 152 .platform_data = &migor_nor_flash_data, 153 }, 154 }; 155 156 static struct mtd_partition migor_nand_flash_partitions[] = { 157 { 158 .name = "nanddata1", 159 .offset = 0x0, 160 .size = 512 * 1024 * 1024, 161 }, 162 { 163 .name = "nanddata2", 164 .offset = MTDPART_OFS_APPEND, 165 .size = 512 * 1024 * 1024, 166 }, 167 }; 168 169 static void migor_nand_flash_cmd_ctl(struct nand_chip *chip, int cmd, 170 unsigned int ctrl) 171 { 172 if (cmd == NAND_CMD_NONE) 173 return; 174 175 if (ctrl & NAND_CLE) 176 writeb(cmd, chip->legacy.IO_ADDR_W + 0x00400000); 177 else if (ctrl & NAND_ALE) 178 writeb(cmd, chip->legacy.IO_ADDR_W + 0x00800000); 179 else 180 writeb(cmd, chip->legacy.IO_ADDR_W); 181 } 182 183 static int migor_nand_flash_ready(struct nand_chip *chip) 184 { 185 return gpio_get_value(GPIO_PTA1); /* NAND_RBn */ 186 } 187 188 static struct platform_nand_data migor_nand_flash_data = { 189 .chip = { 190 .nr_chips = 1, 191 .partitions = migor_nand_flash_partitions, 192 .nr_partitions = ARRAY_SIZE(migor_nand_flash_partitions), 193 .chip_delay = 20, 194 }, 195 .ctrl = { 196 .dev_ready = migor_nand_flash_ready, 197 .cmd_ctrl = migor_nand_flash_cmd_ctl, 198 }, 199 }; 200 201 static struct resource migor_nand_flash_resources[] = { 202 [0] = { 203 .name = "NAND Flash", 204 .start = 0x18000000, 205 .end = 0x18ffffff, 206 .flags = IORESOURCE_MEM, 207 }, 208 }; 209 210 static struct platform_device migor_nand_flash_device = { 211 .name = "gen_nand", 212 .resource = migor_nand_flash_resources, 213 .num_resources = ARRAY_SIZE(migor_nand_flash_resources), 214 .dev = { 215 .platform_data = &migor_nand_flash_data, 216 } 217 }; 218 219 static const struct fb_videomode migor_lcd_modes[] = { 220 { 221 #if defined(CONFIG_SH_MIGOR_RTA_WVGA) 222 .name = "LB070WV1", 223 .xres = 800, 224 .yres = 480, 225 .left_margin = 64, 226 .right_margin = 16, 227 .hsync_len = 120, 228 .sync = 0, 229 #elif defined(CONFIG_SH_MIGOR_QVGA) 230 .name = "PH240320T", 231 .xres = 320, 232 .yres = 240, 233 .left_margin = 0, 234 .right_margin = 16, 235 .hsync_len = 8, 236 .sync = FB_SYNC_HOR_HIGH_ACT, 237 #endif 238 .upper_margin = 1, 239 .lower_margin = 17, 240 .vsync_len = 2, 241 }, 242 }; 243 244 static struct sh_mobile_lcdc_info sh_mobile_lcdc_info = { 245 #if defined(CONFIG_SH_MIGOR_RTA_WVGA) 246 .clock_source = LCDC_CLK_BUS, 247 .ch[0] = { 248 .chan = LCDC_CHAN_MAINLCD, 249 .fourcc = V4L2_PIX_FMT_RGB565, 250 .interface_type = RGB16, 251 .clock_divider = 2, 252 .lcd_modes = migor_lcd_modes, 253 .num_modes = ARRAY_SIZE(migor_lcd_modes), 254 .panel_cfg = { /* 7.0 inch */ 255 .width = 152, 256 .height = 91, 257 }, 258 } 259 #elif defined(CONFIG_SH_MIGOR_QVGA) 260 .clock_source = LCDC_CLK_PERIPHERAL, 261 .ch[0] = { 262 .chan = LCDC_CHAN_MAINLCD, 263 .fourcc = V4L2_PIX_FMT_RGB565, 264 .interface_type = SYS16A, 265 .clock_divider = 10, 266 .lcd_modes = migor_lcd_modes, 267 .num_modes = ARRAY_SIZE(migor_lcd_modes), 268 .panel_cfg = { 269 .width = 49, /* 2.4 inch */ 270 .height = 37, 271 .setup_sys = migor_lcd_qvga_setup, 272 }, 273 .sys_bus_cfg = { 274 .ldmt2r = 0x06000a09, 275 .ldmt3r = 0x180e3418, 276 /* set 1s delay to encourage fsync() */ 277 .deferred_io_msec = 1000, 278 }, 279 } 280 #endif 281 }; 282 283 static struct resource migor_lcdc_resources[] = { 284 [0] = { 285 .name = "LCDC", 286 .start = 0xfe940000, /* P4-only space */ 287 .end = 0xfe942fff, 288 .flags = IORESOURCE_MEM, 289 }, 290 [1] = { 291 .start = evt2irq(0x580), 292 .flags = IORESOURCE_IRQ, 293 }, 294 }; 295 296 static struct platform_device migor_lcdc_device = { 297 .name = "sh_mobile_lcdc_fb", 298 .num_resources = ARRAY_SIZE(migor_lcdc_resources), 299 .resource = migor_lcdc_resources, 300 .dev = { 301 .platform_data = &sh_mobile_lcdc_info, 302 }, 303 }; 304 305 static struct ceu_platform_data ceu_pdata = { 306 .num_subdevs = 2, 307 .subdevs = { 308 { /* [0] = ov772x */ 309 .flags = 0, 310 .bus_width = 8, 311 .bus_shift = 0, 312 .i2c_adapter_id = 0, 313 .i2c_address = 0x21, 314 }, 315 { /* [1] = tw9910 */ 316 .flags = 0, 317 .bus_width = 8, 318 .bus_shift = 0, 319 .i2c_adapter_id = 0, 320 .i2c_address = 0x45, 321 }, 322 }, 323 }; 324 325 static struct resource migor_ceu_resources[] = { 326 [0] = { 327 .name = "CEU", 328 .start = 0xfe910000, 329 .end = 0xfe91009f, 330 .flags = IORESOURCE_MEM, 331 }, 332 [1] = { 333 .start = evt2irq(0x880), 334 .flags = IORESOURCE_IRQ, 335 }, 336 }; 337 338 static struct platform_device migor_ceu_device = { 339 .name = "renesas-ceu", 340 .id = 0, /* ceu.0 */ 341 .num_resources = ARRAY_SIZE(migor_ceu_resources), 342 .resource = migor_ceu_resources, 343 .dev = { 344 .platform_data = &ceu_pdata, 345 }, 346 }; 347 348 /* Powerdown/reset gpios for CEU image sensors */ 349 static struct gpiod_lookup_table ov7725_gpios = { 350 .dev_id = "0-0021", 351 .table = { 352 GPIO_LOOKUP("sh7722_pfc", GPIO_PTT0, "powerdown", 353 GPIO_ACTIVE_HIGH), 354 GPIO_LOOKUP("sh7722_pfc", GPIO_PTT3, "reset", GPIO_ACTIVE_LOW), 355 }, 356 }; 357 358 static struct gpiod_lookup_table tw9910_gpios = { 359 .dev_id = "0-0045", 360 .table = { 361 GPIO_LOOKUP("sh7722_pfc", GPIO_PTT2, "pdn", GPIO_ACTIVE_LOW), 362 GPIO_LOOKUP("sh7722_pfc", GPIO_PTT3, "rstb", GPIO_ACTIVE_LOW), 363 }, 364 }; 365 366 /* Fixed 3.3V regulator to be used by SDHI0 */ 367 static struct regulator_consumer_supply fixed3v3_power_consumers[] = 368 { 369 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), 370 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), 371 }; 372 373 static struct resource sdhi_cn9_resources[] = { 374 [0] = { 375 .name = "SDHI", 376 .start = 0x04ce0000, 377 .end = 0x04ce00ff, 378 .flags = IORESOURCE_MEM, 379 }, 380 [1] = { 381 .start = evt2irq(0xe80), 382 .flags = IORESOURCE_IRQ, 383 }, 384 }; 385 386 static struct tmio_mmc_data sh7724_sdhi_data = { 387 .chan_priv_tx = (void *)SHDMA_SLAVE_SDHI0_TX, 388 .chan_priv_rx = (void *)SHDMA_SLAVE_SDHI0_RX, 389 .capabilities = MMC_CAP_SDIO_IRQ, 390 }; 391 392 static struct platform_device sdhi_cn9_device = { 393 .name = "sh_mobile_sdhi", 394 .num_resources = ARRAY_SIZE(sdhi_cn9_resources), 395 .resource = sdhi_cn9_resources, 396 .dev = { 397 .platform_data = &sh7724_sdhi_data, 398 }, 399 }; 400 401 static struct ov772x_camera_info ov7725_info = { 402 .flags = 0, 403 }; 404 405 static struct tw9910_video_info tw9910_info = { 406 .buswidth = 8, 407 .mpout = TW9910_MPO_FIELD, 408 }; 409 410 static struct i2c_board_info migor_i2c_devices[] = { 411 { 412 I2C_BOARD_INFO("rs5c372b", 0x32), 413 }, 414 { 415 I2C_BOARD_INFO("migor_ts", 0x51), 416 .irq = evt2irq(0x6c0), /* IRQ6 */ 417 }, 418 { 419 I2C_BOARD_INFO("wm8978", 0x1a), 420 }, 421 { 422 I2C_BOARD_INFO("ov772x", 0x21), 423 .platform_data = &ov7725_info, 424 }, 425 { 426 I2C_BOARD_INFO("tw9910", 0x45), 427 .platform_data = &tw9910_info, 428 }, 429 }; 430 431 static struct platform_device *migor_devices[] __initdata = { 432 &smc91x_eth_device, 433 &sh_keysc_device, 434 &migor_lcdc_device, 435 &migor_nor_flash_device, 436 &migor_nand_flash_device, 437 &sdhi_cn9_device, 438 }; 439 440 extern char migor_sdram_enter_start; 441 extern char migor_sdram_enter_end; 442 extern char migor_sdram_leave_start; 443 extern char migor_sdram_leave_end; 444 445 static int __init migor_devices_setup(void) 446 { 447 struct clk *video_clk; 448 449 /* register board specific self-refresh code */ 450 sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF, 451 &migor_sdram_enter_start, 452 &migor_sdram_enter_end, 453 &migor_sdram_leave_start, 454 &migor_sdram_leave_end); 455 456 regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers, 457 ARRAY_SIZE(fixed3v3_power_consumers), 3300000); 458 459 /* Let D11 LED show STATUS0 */ 460 gpio_request(GPIO_FN_STATUS0, NULL); 461 462 /* Lit D12 LED show PDSTATUS */ 463 gpio_request(GPIO_FN_PDSTATUS, NULL); 464 465 /* SMC91C111 - Enable IRQ0, Setup CS4 for 16-bit fast access */ 466 gpio_request(GPIO_FN_IRQ0, NULL); 467 __raw_writel(0x00003400, BSC_CS4BCR); 468 __raw_writel(0x00110080, BSC_CS4WCR); 469 470 /* KEYSC */ 471 gpio_request(GPIO_FN_KEYOUT0, NULL); 472 gpio_request(GPIO_FN_KEYOUT1, NULL); 473 gpio_request(GPIO_FN_KEYOUT2, NULL); 474 gpio_request(GPIO_FN_KEYOUT3, NULL); 475 gpio_request(GPIO_FN_KEYOUT4_IN6, NULL); 476 gpio_request(GPIO_FN_KEYIN1, NULL); 477 gpio_request(GPIO_FN_KEYIN2, NULL); 478 gpio_request(GPIO_FN_KEYIN3, NULL); 479 gpio_request(GPIO_FN_KEYIN4, NULL); 480 gpio_request(GPIO_FN_KEYOUT5_IN5, NULL); 481 482 /* NAND Flash */ 483 gpio_request(GPIO_FN_CS6A_CE2B, NULL); 484 __raw_writel((__raw_readl(BSC_CS6ABCR) & ~0x0600) | 0x0200, BSC_CS6ABCR); 485 gpio_request(GPIO_PTA1, NULL); 486 gpio_direction_input(GPIO_PTA1); 487 488 /* SDHI */ 489 gpio_request(GPIO_FN_SDHICD, NULL); 490 gpio_request(GPIO_FN_SDHIWP, NULL); 491 gpio_request(GPIO_FN_SDHID3, NULL); 492 gpio_request(GPIO_FN_SDHID2, NULL); 493 gpio_request(GPIO_FN_SDHID1, NULL); 494 gpio_request(GPIO_FN_SDHID0, NULL); 495 gpio_request(GPIO_FN_SDHICMD, NULL); 496 gpio_request(GPIO_FN_SDHICLK, NULL); 497 498 /* Touch Panel */ 499 gpio_request(GPIO_FN_IRQ6, NULL); 500 501 /* LCD Panel */ 502 #ifdef CONFIG_SH_MIGOR_QVGA /* LCDC - QVGA - Enable SYS Interface signals */ 503 gpio_request(GPIO_FN_LCDD17, NULL); 504 gpio_request(GPIO_FN_LCDD16, NULL); 505 gpio_request(GPIO_FN_LCDD15, NULL); 506 gpio_request(GPIO_FN_LCDD14, NULL); 507 gpio_request(GPIO_FN_LCDD13, NULL); 508 gpio_request(GPIO_FN_LCDD12, NULL); 509 gpio_request(GPIO_FN_LCDD11, NULL); 510 gpio_request(GPIO_FN_LCDD10, NULL); 511 gpio_request(GPIO_FN_LCDD8, NULL); 512 gpio_request(GPIO_FN_LCDD7, NULL); 513 gpio_request(GPIO_FN_LCDD6, NULL); 514 gpio_request(GPIO_FN_LCDD5, NULL); 515 gpio_request(GPIO_FN_LCDD4, NULL); 516 gpio_request(GPIO_FN_LCDD3, NULL); 517 gpio_request(GPIO_FN_LCDD2, NULL); 518 gpio_request(GPIO_FN_LCDD1, NULL); 519 gpio_request(GPIO_FN_LCDRS, NULL); 520 gpio_request(GPIO_FN_LCDCS, NULL); 521 gpio_request(GPIO_FN_LCDRD, NULL); 522 gpio_request(GPIO_FN_LCDWR, NULL); 523 gpio_request(GPIO_PTH2, NULL); /* LCD_DON */ 524 gpio_direction_output(GPIO_PTH2, 1); 525 #endif 526 #ifdef CONFIG_SH_MIGOR_RTA_WVGA /* LCDC - WVGA - Enable RGB Interface signals */ 527 gpio_request(GPIO_FN_LCDD15, NULL); 528 gpio_request(GPIO_FN_LCDD14, NULL); 529 gpio_request(GPIO_FN_LCDD13, NULL); 530 gpio_request(GPIO_FN_LCDD12, NULL); 531 gpio_request(GPIO_FN_LCDD11, NULL); 532 gpio_request(GPIO_FN_LCDD10, NULL); 533 gpio_request(GPIO_FN_LCDD9, NULL); 534 gpio_request(GPIO_FN_LCDD8, NULL); 535 gpio_request(GPIO_FN_LCDD7, NULL); 536 gpio_request(GPIO_FN_LCDD6, NULL); 537 gpio_request(GPIO_FN_LCDD5, NULL); 538 gpio_request(GPIO_FN_LCDD4, NULL); 539 gpio_request(GPIO_FN_LCDD3, NULL); 540 gpio_request(GPIO_FN_LCDD2, NULL); 541 gpio_request(GPIO_FN_LCDD1, NULL); 542 gpio_request(GPIO_FN_LCDD0, NULL); 543 gpio_request(GPIO_FN_LCDLCLK, NULL); 544 gpio_request(GPIO_FN_LCDDCK, NULL); 545 gpio_request(GPIO_FN_LCDVEPWC, NULL); 546 gpio_request(GPIO_FN_LCDVCPWC, NULL); 547 gpio_request(GPIO_FN_LCDVSYN, NULL); 548 gpio_request(GPIO_FN_LCDHSYN, NULL); 549 gpio_request(GPIO_FN_LCDDISP, NULL); 550 gpio_request(GPIO_FN_LCDDON, NULL); 551 #endif 552 553 /* CEU */ 554 gpio_request(GPIO_FN_VIO_CLK2, NULL); 555 gpio_request(GPIO_FN_VIO_VD2, NULL); 556 gpio_request(GPIO_FN_VIO_HD2, NULL); 557 gpio_request(GPIO_FN_VIO_FLD, NULL); 558 gpio_request(GPIO_FN_VIO_CKO, NULL); 559 gpio_request(GPIO_FN_VIO_D15, NULL); 560 gpio_request(GPIO_FN_VIO_D14, NULL); 561 gpio_request(GPIO_FN_VIO_D13, NULL); 562 gpio_request(GPIO_FN_VIO_D12, NULL); 563 gpio_request(GPIO_FN_VIO_D11, NULL); 564 gpio_request(GPIO_FN_VIO_D10, NULL); 565 gpio_request(GPIO_FN_VIO_D9, NULL); 566 gpio_request(GPIO_FN_VIO_D8, NULL); 567 568 __raw_writew(__raw_readw(PORT_MSELCRB) | 0x2000, PORT_MSELCRB); /* D15->D8 */ 569 570 /* SIU: Port B */ 571 gpio_request(GPIO_FN_SIUBOLR, NULL); 572 gpio_request(GPIO_FN_SIUBOBT, NULL); 573 gpio_request(GPIO_FN_SIUBISLD, NULL); 574 gpio_request(GPIO_FN_SIUBOSLD, NULL); 575 gpio_request(GPIO_FN_SIUMCKB, NULL); 576 577 /* 578 * The original driver sets SIUB OLR/OBT, ILR/IBT, and SIUA OLR/OBT to 579 * output. Need only SIUB, set to output for master mode (table 34.2) 580 */ 581 __raw_writew(__raw_readw(PORT_MSELCRA) | 1, PORT_MSELCRA); 582 583 /* 584 * Use 10 MHz VIO_CKO instead of 24 MHz to work around signal quality 585 * issues on Panel Board V2.1. 586 */ 587 video_clk = clk_get(NULL, "video_clk"); 588 if (!IS_ERR(video_clk)) { 589 clk_set_rate(video_clk, clk_round_rate(video_clk, 10000000)); 590 clk_put(video_clk); 591 } 592 593 /* Add a clock alias for ov7725 xclk source. */ 594 clk_add_alias(NULL, "0-0021", "video_clk", NULL); 595 596 /* Register GPIOs for video sources. */ 597 gpiod_add_lookup_table(&ov7725_gpios); 598 gpiod_add_lookup_table(&tw9910_gpios); 599 600 i2c_register_board_info(0, migor_i2c_devices, 601 ARRAY_SIZE(migor_i2c_devices)); 602 603 /* Initialize CEU platform device separately to map memory first */ 604 device_initialize(&migor_ceu_device.dev); 605 dma_declare_coherent_memory(&migor_ceu_device.dev, 606 ceu_dma_membase, ceu_dma_membase, 607 CEU_BUFFER_MEMORY_SIZE); 608 609 platform_device_add(&migor_ceu_device); 610 611 return platform_add_devices(migor_devices, ARRAY_SIZE(migor_devices)); 612 } 613 arch_initcall(migor_devices_setup); 614 615 /* Return the board specific boot mode pin configuration */ 616 static int migor_mode_pins(void) 617 { 618 /* MD0=1, MD1=1, MD2=0: Clock Mode 3 619 * MD3=0: 16-bit Area0 Bus Width 620 * MD5=1: Little Endian 621 * TSTMD=1, MD8=0: Test Mode Disabled 622 */ 623 return MODE_PIN0 | MODE_PIN1 | MODE_PIN5; 624 } 625 626 /* Reserve a portion of memory for CEU buffers */ 627 static void __init migor_mv_mem_reserve(void) 628 { 629 phys_addr_t phys; 630 phys_addr_t size = CEU_BUFFER_MEMORY_SIZE; 631 632 phys = memblock_phys_alloc(size, PAGE_SIZE); 633 if (!phys) 634 panic("Failed to allocate CEU memory\n"); 635 636 memblock_phys_free(phys, size); 637 memblock_remove(phys, size); 638 639 ceu_dma_membase = phys; 640 } 641 642 /* 643 * The Machine Vector 644 */ 645 static struct sh_machine_vector mv_migor __initmv = { 646 .mv_name = "Migo-R", 647 .mv_mode_pins = migor_mode_pins, 648 .mv_mem_reserve = migor_mv_mem_reserve, 649 }; 650