1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * DBAu1300 init and platform device setup. 4 * 5 * (c) 2009 Manuel Lauss <manuel.lauss@googlemail.com> 6 */ 7 8 #include <linux/clk.h> 9 #include <linux/dma-mapping.h> 10 #include <linux/gpio.h> 11 #include <linux/gpio_keys.h> 12 #include <linux/init.h> 13 #include <linux/input.h> /* KEY_* codes */ 14 #include <linux/i2c.h> 15 #include <linux/io.h> 16 #include <linux/leds.h> 17 #include <linux/interrupt.h> 18 #include <linux/ata_platform.h> 19 #include <linux/mmc/host.h> 20 #include <linux/module.h> 21 #include <linux/mtd/mtd.h> 22 #include <linux/mtd/platnand.h> 23 #include <linux/platform_device.h> 24 #include <linux/smsc911x.h> 25 #include <linux/wm97xx.h> 26 27 #include <asm/mach-au1x00/au1000.h> 28 #include <asm/mach-au1x00/gpio-au1300.h> 29 #include <asm/mach-au1x00/au1100_mmc.h> 30 #include <asm/mach-au1x00/au1200fb.h> 31 #include <asm/mach-au1x00/au1xxx_dbdma.h> 32 #include <asm/mach-au1x00/au1xxx_psc.h> 33 #include <asm/mach-db1x00/bcsr.h> 34 #include <asm/mach-au1x00/prom.h> 35 36 #include "platform.h" 37 38 /* FPGA (external mux) interrupt sources */ 39 #define DB1300_FIRST_INT (ALCHEMY_GPIC_INT_LAST + 1) 40 #define DB1300_IDE_INT (DB1300_FIRST_INT + 0) 41 #define DB1300_ETH_INT (DB1300_FIRST_INT + 1) 42 #define DB1300_CF_INT (DB1300_FIRST_INT + 2) 43 #define DB1300_VIDEO_INT (DB1300_FIRST_INT + 4) 44 #define DB1300_HDMI_INT (DB1300_FIRST_INT + 5) 45 #define DB1300_DC_INT (DB1300_FIRST_INT + 6) 46 #define DB1300_FLASH_INT (DB1300_FIRST_INT + 7) 47 #define DB1300_CF_INSERT_INT (DB1300_FIRST_INT + 8) 48 #define DB1300_CF_EJECT_INT (DB1300_FIRST_INT + 9) 49 #define DB1300_AC97_INT (DB1300_FIRST_INT + 10) 50 #define DB1300_AC97_PEN_INT (DB1300_FIRST_INT + 11) 51 #define DB1300_SD1_INSERT_INT (DB1300_FIRST_INT + 12) 52 #define DB1300_SD1_EJECT_INT (DB1300_FIRST_INT + 13) 53 #define DB1300_OTG_VBUS_OC_INT (DB1300_FIRST_INT + 14) 54 #define DB1300_HOST_VBUS_OC_INT (DB1300_FIRST_INT + 15) 55 #define DB1300_LAST_INT (DB1300_FIRST_INT + 15) 56 57 /* SMSC9210 CS */ 58 #define DB1300_ETH_PHYS_ADDR 0x19000000 59 #define DB1300_ETH_PHYS_END 0x197fffff 60 61 /* ATA CS */ 62 #define DB1300_IDE_PHYS_ADDR 0x18800000 63 #define DB1300_IDE_REG_SHIFT 5 64 #define DB1300_IDE_PHYS_LEN (16 << DB1300_IDE_REG_SHIFT) 65 66 /* NAND CS */ 67 #define DB1300_NAND_PHYS_ADDR 0x20000000 68 #define DB1300_NAND_PHYS_END 0x20000fff 69 70 71 static struct i2c_board_info db1300_i2c_devs[] __initdata = { 72 { I2C_BOARD_INFO("wm8731", 0x1b), }, /* I2S audio codec */ 73 { I2C_BOARD_INFO("ne1619", 0x2d), }, /* adm1025-compat hwmon */ 74 }; 75 76 /* multifunction pins to assign to GPIO controller */ 77 static int db1300_gpio_pins[] __initdata = { 78 AU1300_PIN_LCDPWM0, AU1300_PIN_PSC2SYNC1, AU1300_PIN_WAKE1, 79 AU1300_PIN_WAKE2, AU1300_PIN_WAKE3, AU1300_PIN_FG3AUX, 80 AU1300_PIN_EXTCLK1, 81 -1, /* terminator */ 82 }; 83 84 /* multifunction pins to assign to device functions */ 85 static int db1300_dev_pins[] __initdata = { 86 /* wake-from-str pins 0-3 */ 87 AU1300_PIN_WAKE0, 88 /* external clock sources for PSC0 */ 89 AU1300_PIN_EXTCLK0, 90 /* 8bit MMC interface on SD0: 6-9 */ 91 AU1300_PIN_SD0DAT4, AU1300_PIN_SD0DAT5, AU1300_PIN_SD0DAT6, 92 AU1300_PIN_SD0DAT7, 93 /* UART1 pins: 11-18 */ 94 AU1300_PIN_U1RI, AU1300_PIN_U1DCD, AU1300_PIN_U1DSR, 95 AU1300_PIN_U1CTS, AU1300_PIN_U1RTS, AU1300_PIN_U1DTR, 96 AU1300_PIN_U1RX, AU1300_PIN_U1TX, 97 /* UART0 pins: 19-24 */ 98 AU1300_PIN_U0RI, AU1300_PIN_U0DCD, AU1300_PIN_U0DSR, 99 AU1300_PIN_U0CTS, AU1300_PIN_U0RTS, AU1300_PIN_U0DTR, 100 /* UART2: 25-26 */ 101 AU1300_PIN_U2RX, AU1300_PIN_U2TX, 102 /* UART3: 27-28 */ 103 AU1300_PIN_U3RX, AU1300_PIN_U3TX, 104 /* LCD controller PWMs, ext pixclock: 30-31 */ 105 AU1300_PIN_LCDPWM1, AU1300_PIN_LCDCLKIN, 106 /* SD1 interface: 32-37 */ 107 AU1300_PIN_SD1DAT0, AU1300_PIN_SD1DAT1, AU1300_PIN_SD1DAT2, 108 AU1300_PIN_SD1DAT3, AU1300_PIN_SD1CMD, AU1300_PIN_SD1CLK, 109 /* SD2 interface: 38-43 */ 110 AU1300_PIN_SD2DAT0, AU1300_PIN_SD2DAT1, AU1300_PIN_SD2DAT2, 111 AU1300_PIN_SD2DAT3, AU1300_PIN_SD2CMD, AU1300_PIN_SD2CLK, 112 /* PSC0/1 clocks: 44-45 */ 113 AU1300_PIN_PSC0CLK, AU1300_PIN_PSC1CLK, 114 /* PSCs: 46-49/50-53/54-57/58-61 */ 115 AU1300_PIN_PSC0SYNC0, AU1300_PIN_PSC0SYNC1, AU1300_PIN_PSC0D0, 116 AU1300_PIN_PSC0D1, 117 AU1300_PIN_PSC1SYNC0, AU1300_PIN_PSC1SYNC1, AU1300_PIN_PSC1D0, 118 AU1300_PIN_PSC1D1, 119 AU1300_PIN_PSC2SYNC0, AU1300_PIN_PSC2D0, 120 AU1300_PIN_PSC2D1, 121 AU1300_PIN_PSC3SYNC0, AU1300_PIN_PSC3SYNC1, AU1300_PIN_PSC3D0, 122 AU1300_PIN_PSC3D1, 123 /* PCMCIA interface: 62-70 */ 124 AU1300_PIN_PCE2, AU1300_PIN_PCE1, AU1300_PIN_PIOS16, 125 AU1300_PIN_PIOR, AU1300_PIN_PWE, AU1300_PIN_PWAIT, 126 AU1300_PIN_PREG, AU1300_PIN_POE, AU1300_PIN_PIOW, 127 /* camera interface H/V sync inputs: 71-72 */ 128 AU1300_PIN_CIMLS, AU1300_PIN_CIMFS, 129 /* PSC2/3 clocks: 73-74 */ 130 AU1300_PIN_PSC2CLK, AU1300_PIN_PSC3CLK, 131 -1, /* terminator */ 132 }; 133 134 static void __init db1300_gpio_config(void) 135 { 136 int *i; 137 138 i = &db1300_dev_pins[0]; 139 while (*i != -1) 140 au1300_pinfunc_to_dev(*i++); 141 142 i = &db1300_gpio_pins[0]; 143 while (*i != -1) 144 au1300_gpio_direction_input(*i++);/* implies pin_to_gpio */ 145 146 au1300_set_dbdma_gpio(1, AU1300_PIN_FG3AUX); 147 } 148 149 /**********************************************************************/ 150 151 static u64 au1300_all_dmamask = DMA_BIT_MASK(32); 152 153 static void au1300_nand_cmd_ctrl(struct nand_chip *this, int cmd, 154 unsigned int ctrl) 155 { 156 unsigned long ioaddr = (unsigned long)this->legacy.IO_ADDR_W; 157 158 ioaddr &= 0xffffff00; 159 160 if (ctrl & NAND_CLE) { 161 ioaddr += MEM_STNAND_CMD; 162 } else if (ctrl & NAND_ALE) { 163 ioaddr += MEM_STNAND_ADDR; 164 } else { 165 /* assume we want to r/w real data by default */ 166 ioaddr += MEM_STNAND_DATA; 167 } 168 this->legacy.IO_ADDR_R = this->legacy.IO_ADDR_W = (void __iomem *)ioaddr; 169 if (cmd != NAND_CMD_NONE) { 170 __raw_writeb(cmd, this->legacy.IO_ADDR_W); 171 wmb(); 172 } 173 } 174 175 static int au1300_nand_device_ready(struct nand_chip *this) 176 { 177 return alchemy_rdsmem(AU1000_MEM_STSTAT) & 1; 178 } 179 180 static struct mtd_partition db1300_nand_parts[] = { 181 { 182 .name = "NAND FS 0", 183 .offset = 0, 184 .size = 8 * 1024 * 1024, 185 }, 186 { 187 .name = "NAND FS 1", 188 .offset = MTDPART_OFS_APPEND, 189 .size = MTDPART_SIZ_FULL 190 }, 191 }; 192 193 struct platform_nand_data db1300_nand_platdata = { 194 .chip = { 195 .nr_chips = 1, 196 .chip_offset = 0, 197 .nr_partitions = ARRAY_SIZE(db1300_nand_parts), 198 .partitions = db1300_nand_parts, 199 .chip_delay = 20, 200 }, 201 .ctrl = { 202 .dev_ready = au1300_nand_device_ready, 203 .cmd_ctrl = au1300_nand_cmd_ctrl, 204 }, 205 }; 206 207 static struct resource db1300_nand_res[] = { 208 [0] = { 209 .start = DB1300_NAND_PHYS_ADDR, 210 .end = DB1300_NAND_PHYS_ADDR + 0xff, 211 .flags = IORESOURCE_MEM, 212 }, 213 }; 214 215 static struct platform_device db1300_nand_dev = { 216 .name = "gen_nand", 217 .num_resources = ARRAY_SIZE(db1300_nand_res), 218 .resource = db1300_nand_res, 219 .id = -1, 220 .dev = { 221 .platform_data = &db1300_nand_platdata, 222 } 223 }; 224 225 /**********************************************************************/ 226 227 static struct resource db1300_eth_res[] = { 228 [0] = { 229 .start = DB1300_ETH_PHYS_ADDR, 230 .end = DB1300_ETH_PHYS_END, 231 .flags = IORESOURCE_MEM, 232 }, 233 [1] = { 234 .start = DB1300_ETH_INT, 235 .end = DB1300_ETH_INT, 236 .flags = IORESOURCE_IRQ, 237 }, 238 }; 239 240 static struct smsc911x_platform_config db1300_eth_config = { 241 .phy_interface = PHY_INTERFACE_MODE_MII, 242 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, 243 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, 244 .flags = SMSC911X_USE_32BIT, 245 }; 246 247 static struct platform_device db1300_eth_dev = { 248 .name = "smsc911x", 249 .id = -1, 250 .num_resources = ARRAY_SIZE(db1300_eth_res), 251 .resource = db1300_eth_res, 252 .dev = { 253 .platform_data = &db1300_eth_config, 254 }, 255 }; 256 257 /**********************************************************************/ 258 259 static struct resource au1300_psc1_res[] = { 260 [0] = { 261 .start = AU1300_PSC1_PHYS_ADDR, 262 .end = AU1300_PSC1_PHYS_ADDR + 0x0fff, 263 .flags = IORESOURCE_MEM, 264 }, 265 [1] = { 266 .start = AU1300_PSC1_INT, 267 .end = AU1300_PSC1_INT, 268 .flags = IORESOURCE_IRQ, 269 }, 270 [2] = { 271 .start = AU1300_DSCR_CMD0_PSC1_TX, 272 .end = AU1300_DSCR_CMD0_PSC1_TX, 273 .flags = IORESOURCE_DMA, 274 }, 275 [3] = { 276 .start = AU1300_DSCR_CMD0_PSC1_RX, 277 .end = AU1300_DSCR_CMD0_PSC1_RX, 278 .flags = IORESOURCE_DMA, 279 }, 280 }; 281 282 static struct platform_device db1300_ac97_dev = { 283 .name = "au1xpsc_ac97", 284 .id = 1, /* PSC ID. match with AC97 codec ID! */ 285 .num_resources = ARRAY_SIZE(au1300_psc1_res), 286 .resource = au1300_psc1_res, 287 }; 288 289 /**********************************************************************/ 290 291 static struct resource au1300_psc2_res[] = { 292 [0] = { 293 .start = AU1300_PSC2_PHYS_ADDR, 294 .end = AU1300_PSC2_PHYS_ADDR + 0x0fff, 295 .flags = IORESOURCE_MEM, 296 }, 297 [1] = { 298 .start = AU1300_PSC2_INT, 299 .end = AU1300_PSC2_INT, 300 .flags = IORESOURCE_IRQ, 301 }, 302 [2] = { 303 .start = AU1300_DSCR_CMD0_PSC2_TX, 304 .end = AU1300_DSCR_CMD0_PSC2_TX, 305 .flags = IORESOURCE_DMA, 306 }, 307 [3] = { 308 .start = AU1300_DSCR_CMD0_PSC2_RX, 309 .end = AU1300_DSCR_CMD0_PSC2_RX, 310 .flags = IORESOURCE_DMA, 311 }, 312 }; 313 314 static struct platform_device db1300_i2s_dev = { 315 .name = "au1xpsc_i2s", 316 .id = 2, /* PSC ID */ 317 .num_resources = ARRAY_SIZE(au1300_psc2_res), 318 .resource = au1300_psc2_res, 319 }; 320 321 /**********************************************************************/ 322 323 static struct resource au1300_psc3_res[] = { 324 [0] = { 325 .start = AU1300_PSC3_PHYS_ADDR, 326 .end = AU1300_PSC3_PHYS_ADDR + 0x0fff, 327 .flags = IORESOURCE_MEM, 328 }, 329 [1] = { 330 .start = AU1300_PSC3_INT, 331 .end = AU1300_PSC3_INT, 332 .flags = IORESOURCE_IRQ, 333 }, 334 [2] = { 335 .start = AU1300_DSCR_CMD0_PSC3_TX, 336 .end = AU1300_DSCR_CMD0_PSC3_TX, 337 .flags = IORESOURCE_DMA, 338 }, 339 [3] = { 340 .start = AU1300_DSCR_CMD0_PSC3_RX, 341 .end = AU1300_DSCR_CMD0_PSC3_RX, 342 .flags = IORESOURCE_DMA, 343 }, 344 }; 345 346 static struct platform_device db1300_i2c_dev = { 347 .name = "au1xpsc_smbus", 348 .id = 0, /* bus number */ 349 .num_resources = ARRAY_SIZE(au1300_psc3_res), 350 .resource = au1300_psc3_res, 351 }; 352 353 /**********************************************************************/ 354 355 /* proper key assignments when facing the LCD panel. For key assignments 356 * according to the schematics swap up with down and left with right. 357 * I chose to use it to emulate the arrow keys of a keyboard. 358 */ 359 static struct gpio_keys_button db1300_5waysw_arrowkeys[] = { 360 { 361 .code = KEY_DOWN, 362 .gpio = AU1300_PIN_LCDPWM0, 363 .type = EV_KEY, 364 .debounce_interval = 1, 365 .active_low = 1, 366 .desc = "5waysw-down", 367 }, 368 { 369 .code = KEY_UP, 370 .gpio = AU1300_PIN_PSC2SYNC1, 371 .type = EV_KEY, 372 .debounce_interval = 1, 373 .active_low = 1, 374 .desc = "5waysw-up", 375 }, 376 { 377 .code = KEY_RIGHT, 378 .gpio = AU1300_PIN_WAKE3, 379 .type = EV_KEY, 380 .debounce_interval = 1, 381 .active_low = 1, 382 .desc = "5waysw-right", 383 }, 384 { 385 .code = KEY_LEFT, 386 .gpio = AU1300_PIN_WAKE2, 387 .type = EV_KEY, 388 .debounce_interval = 1, 389 .active_low = 1, 390 .desc = "5waysw-left", 391 }, 392 { 393 .code = KEY_ENTER, 394 .gpio = AU1300_PIN_WAKE1, 395 .type = EV_KEY, 396 .debounce_interval = 1, 397 .active_low = 1, 398 .desc = "5waysw-push", 399 }, 400 }; 401 402 static struct gpio_keys_platform_data db1300_5waysw_data = { 403 .buttons = db1300_5waysw_arrowkeys, 404 .nbuttons = ARRAY_SIZE(db1300_5waysw_arrowkeys), 405 .rep = 1, 406 .name = "db1300-5wayswitch", 407 }; 408 409 static struct platform_device db1300_5waysw_dev = { 410 .name = "gpio-keys", 411 .dev = { 412 .platform_data = &db1300_5waysw_data, 413 }, 414 }; 415 416 /**********************************************************************/ 417 418 static struct pata_platform_info db1300_ide_info = { 419 .ioport_shift = DB1300_IDE_REG_SHIFT, 420 }; 421 422 #define IDE_ALT_START (14 << DB1300_IDE_REG_SHIFT) 423 static struct resource db1300_ide_res[] = { 424 [0] = { 425 .start = DB1300_IDE_PHYS_ADDR, 426 .end = DB1300_IDE_PHYS_ADDR + IDE_ALT_START - 1, 427 .flags = IORESOURCE_MEM, 428 }, 429 [1] = { 430 .start = DB1300_IDE_PHYS_ADDR + IDE_ALT_START, 431 .end = DB1300_IDE_PHYS_ADDR + DB1300_IDE_PHYS_LEN - 1, 432 .flags = IORESOURCE_MEM, 433 }, 434 [2] = { 435 .start = DB1300_IDE_INT, 436 .end = DB1300_IDE_INT, 437 .flags = IORESOURCE_IRQ, 438 }, 439 }; 440 441 static struct platform_device db1300_ide_dev = { 442 .dev = { 443 .dma_mask = &au1300_all_dmamask, 444 .coherent_dma_mask = DMA_BIT_MASK(32), 445 .platform_data = &db1300_ide_info, 446 }, 447 .name = "pata_platform", 448 .resource = db1300_ide_res, 449 .num_resources = ARRAY_SIZE(db1300_ide_res), 450 }; 451 452 /**********************************************************************/ 453 454 static irqreturn_t db1300_mmc_cd(int irq, void *ptr) 455 { 456 disable_irq_nosync(irq); 457 return IRQ_WAKE_THREAD; 458 } 459 460 static irqreturn_t db1300_mmc_cdfn(int irq, void *ptr) 461 { 462 void (*mmc_cd)(struct mmc_host *, unsigned long); 463 464 /* link against CONFIG_MMC=m. We can only be called once MMC core has 465 * initialized the controller, so symbol_get() should always succeed. 466 */ 467 mmc_cd = symbol_get(mmc_detect_change); 468 mmc_cd(ptr, msecs_to_jiffies(200)); 469 symbol_put(mmc_detect_change); 470 471 msleep(100); /* debounce */ 472 if (irq == DB1300_SD1_INSERT_INT) 473 enable_irq(DB1300_SD1_EJECT_INT); 474 else 475 enable_irq(DB1300_SD1_INSERT_INT); 476 477 return IRQ_HANDLED; 478 } 479 480 static int db1300_mmc_card_readonly(void *mmc_host) 481 { 482 /* it uses SD1 interface, but the DB1200's SD0 bit in the CPLD */ 483 return bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP; 484 } 485 486 static int db1300_mmc_card_inserted(void *mmc_host) 487 { 488 return bcsr_read(BCSR_SIGSTAT) & (1 << 12); /* insertion irq signal */ 489 } 490 491 static int db1300_mmc_cd_setup(void *mmc_host, int en) 492 { 493 int ret; 494 495 if (en) { 496 ret = request_threaded_irq(DB1300_SD1_INSERT_INT, db1300_mmc_cd, 497 db1300_mmc_cdfn, 0, "sd_insert", mmc_host); 498 if (ret) 499 goto out; 500 501 ret = request_threaded_irq(DB1300_SD1_EJECT_INT, db1300_mmc_cd, 502 db1300_mmc_cdfn, 0, "sd_eject", mmc_host); 503 if (ret) { 504 free_irq(DB1300_SD1_INSERT_INT, mmc_host); 505 goto out; 506 } 507 508 if (db1300_mmc_card_inserted(mmc_host)) 509 enable_irq(DB1300_SD1_EJECT_INT); 510 else 511 enable_irq(DB1300_SD1_INSERT_INT); 512 513 } else { 514 free_irq(DB1300_SD1_INSERT_INT, mmc_host); 515 free_irq(DB1300_SD1_EJECT_INT, mmc_host); 516 } 517 ret = 0; 518 out: 519 return ret; 520 } 521 522 static void db1300_mmcled_set(struct led_classdev *led, 523 enum led_brightness brightness) 524 { 525 if (brightness != LED_OFF) 526 bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0); 527 else 528 bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0); 529 } 530 531 static struct led_classdev db1300_mmc_led = { 532 .brightness_set = db1300_mmcled_set, 533 }; 534 535 struct au1xmmc_platform_data db1300_sd1_platdata = { 536 .cd_setup = db1300_mmc_cd_setup, 537 .card_inserted = db1300_mmc_card_inserted, 538 .card_readonly = db1300_mmc_card_readonly, 539 .led = &db1300_mmc_led, 540 }; 541 542 static struct resource au1300_sd1_res[] = { 543 [0] = { 544 .start = AU1300_SD1_PHYS_ADDR, 545 .end = AU1300_SD1_PHYS_ADDR, 546 .flags = IORESOURCE_MEM, 547 }, 548 [1] = { 549 .start = AU1300_SD1_INT, 550 .end = AU1300_SD1_INT, 551 .flags = IORESOURCE_IRQ, 552 }, 553 [2] = { 554 .start = AU1300_DSCR_CMD0_SDMS_TX1, 555 .end = AU1300_DSCR_CMD0_SDMS_TX1, 556 .flags = IORESOURCE_DMA, 557 }, 558 [3] = { 559 .start = AU1300_DSCR_CMD0_SDMS_RX1, 560 .end = AU1300_DSCR_CMD0_SDMS_RX1, 561 .flags = IORESOURCE_DMA, 562 }, 563 }; 564 565 static struct platform_device db1300_sd1_dev = { 566 .dev = { 567 .dma_mask = &au1300_all_dmamask, 568 .coherent_dma_mask = DMA_BIT_MASK(32), 569 .platform_data = &db1300_sd1_platdata, 570 }, 571 .name = "au1xxx-mmc", 572 .id = 1, 573 .resource = au1300_sd1_res, 574 .num_resources = ARRAY_SIZE(au1300_sd1_res), 575 }; 576 577 /**********************************************************************/ 578 579 static int db1300_movinand_inserted(void *mmc_host) 580 { 581 return 0; /* disable for now, it doesn't work yet */ 582 } 583 584 static int db1300_movinand_readonly(void *mmc_host) 585 { 586 return 0; 587 } 588 589 static void db1300_movinand_led_set(struct led_classdev *led, 590 enum led_brightness brightness) 591 { 592 if (brightness != LED_OFF) 593 bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0); 594 else 595 bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1); 596 } 597 598 static struct led_classdev db1300_movinand_led = { 599 .brightness_set = db1300_movinand_led_set, 600 }; 601 602 struct au1xmmc_platform_data db1300_sd0_platdata = { 603 .card_inserted = db1300_movinand_inserted, 604 .card_readonly = db1300_movinand_readonly, 605 .led = &db1300_movinand_led, 606 .mask_host_caps = MMC_CAP_NEEDS_POLL, 607 }; 608 609 static struct resource au1300_sd0_res[] = { 610 [0] = { 611 .start = AU1100_SD0_PHYS_ADDR, 612 .end = AU1100_SD0_PHYS_ADDR, 613 .flags = IORESOURCE_MEM, 614 }, 615 [1] = { 616 .start = AU1300_SD0_INT, 617 .end = AU1300_SD0_INT, 618 .flags = IORESOURCE_IRQ, 619 }, 620 [2] = { 621 .start = AU1300_DSCR_CMD0_SDMS_TX0, 622 .end = AU1300_DSCR_CMD0_SDMS_TX0, 623 .flags = IORESOURCE_DMA, 624 }, 625 [3] = { 626 .start = AU1300_DSCR_CMD0_SDMS_RX0, 627 .end = AU1300_DSCR_CMD0_SDMS_RX0, 628 .flags = IORESOURCE_DMA, 629 }, 630 }; 631 632 static struct platform_device db1300_sd0_dev = { 633 .dev = { 634 .dma_mask = &au1300_all_dmamask, 635 .coherent_dma_mask = DMA_BIT_MASK(32), 636 .platform_data = &db1300_sd0_platdata, 637 }, 638 .name = "au1xxx-mmc", 639 .id = 0, 640 .resource = au1300_sd0_res, 641 .num_resources = ARRAY_SIZE(au1300_sd0_res), 642 }; 643 644 /**********************************************************************/ 645 646 static struct platform_device db1300_wm9715_dev = { 647 .name = "wm9712-codec", 648 .id = 1, /* ID of PSC for AC97 audio, see asoc glue! */ 649 }; 650 651 static struct platform_device db1300_ac97dma_dev = { 652 .name = "au1xpsc-pcm", 653 .id = 1, /* PSC ID */ 654 }; 655 656 static struct platform_device db1300_i2sdma_dev = { 657 .name = "au1xpsc-pcm", 658 .id = 2, /* PSC ID */ 659 }; 660 661 static struct platform_device db1300_sndac97_dev = { 662 .name = "db1300-ac97", 663 .dev = { 664 .dma_mask = &au1300_all_dmamask, 665 .coherent_dma_mask = DMA_BIT_MASK(32), 666 }, 667 }; 668 669 static struct platform_device db1300_sndi2s_dev = { 670 .name = "db1300-i2s", 671 .dev = { 672 .dma_mask = &au1300_all_dmamask, 673 .coherent_dma_mask = DMA_BIT_MASK(32), 674 }, 675 }; 676 677 /**********************************************************************/ 678 679 static int db1300fb_panel_index(void) 680 { 681 return 9; /* DB1300_800x480 */ 682 } 683 684 static int db1300fb_panel_init(void) 685 { 686 /* Apply power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */ 687 bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD, 688 BCSR_BOARD_LCDBL); 689 return 0; 690 } 691 692 static int db1300fb_panel_shutdown(void) 693 { 694 /* Remove power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */ 695 bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDBL, 696 BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD); 697 return 0; 698 } 699 700 static struct au1200fb_platdata db1300fb_pd = { 701 .panel_index = db1300fb_panel_index, 702 .panel_init = db1300fb_panel_init, 703 .panel_shutdown = db1300fb_panel_shutdown, 704 }; 705 706 static struct resource au1300_lcd_res[] = { 707 [0] = { 708 .start = AU1200_LCD_PHYS_ADDR, 709 .end = AU1200_LCD_PHYS_ADDR + 0x800 - 1, 710 .flags = IORESOURCE_MEM, 711 }, 712 [1] = { 713 .start = AU1300_LCD_INT, 714 .end = AU1300_LCD_INT, 715 .flags = IORESOURCE_IRQ, 716 } 717 }; 718 719 720 static struct platform_device db1300_lcd_dev = { 721 .name = "au1200-lcd", 722 .id = 0, 723 .dev = { 724 .dma_mask = &au1300_all_dmamask, 725 .coherent_dma_mask = DMA_BIT_MASK(32), 726 .platform_data = &db1300fb_pd, 727 }, 728 .num_resources = ARRAY_SIZE(au1300_lcd_res), 729 .resource = au1300_lcd_res, 730 }; 731 732 /**********************************************************************/ 733 734 #if IS_ENABLED(CONFIG_TOUCHSCREEN_WM97XX) 735 static struct wm97xx_mach_ops db1300_wm97xx_ops = { 736 .irq_gpio = WM97XX_GPIO_3, 737 }; 738 739 static int db1300_wm97xx_probe(struct platform_device *pdev) 740 { 741 struct wm97xx *wm = platform_get_drvdata(pdev); 742 743 /* external pendown indicator */ 744 wm97xx_config_gpio(wm, WM97XX_GPIO_13, WM97XX_GPIO_IN, 745 WM97XX_GPIO_POL_LOW, WM97XX_GPIO_STICKY, 746 WM97XX_GPIO_WAKE); 747 748 /* internal "virtual" pendown gpio */ 749 wm97xx_config_gpio(wm, WM97XX_GPIO_3, WM97XX_GPIO_OUT, 750 WM97XX_GPIO_POL_LOW, WM97XX_GPIO_NOTSTICKY, 751 WM97XX_GPIO_NOWAKE); 752 753 wm->pen_irq = DB1300_AC97_PEN_INT; 754 755 return wm97xx_register_mach_ops(wm, &db1300_wm97xx_ops); 756 } 757 #else 758 static int db1300_wm97xx_probe(struct platform_device *pdev) 759 { 760 return -ENODEV; 761 } 762 #endif 763 764 static struct platform_driver db1300_wm97xx_driver = { 765 .driver.name = "wm97xx-touch", 766 .driver.owner = THIS_MODULE, 767 .probe = db1300_wm97xx_probe, 768 }; 769 770 /**********************************************************************/ 771 772 static struct platform_device *db1300_dev[] __initdata = { 773 &db1300_eth_dev, 774 &db1300_i2c_dev, 775 &db1300_5waysw_dev, 776 &db1300_nand_dev, 777 &db1300_ide_dev, 778 &db1300_sd0_dev, 779 &db1300_sd1_dev, 780 &db1300_lcd_dev, 781 &db1300_ac97_dev, 782 &db1300_i2s_dev, 783 &db1300_wm9715_dev, 784 &db1300_ac97dma_dev, 785 &db1300_i2sdma_dev, 786 &db1300_sndac97_dev, 787 &db1300_sndi2s_dev, 788 }; 789 790 int __init db1300_dev_setup(void) 791 { 792 int swapped, cpldirq; 793 struct clk *c; 794 795 /* setup CPLD IRQ muxer */ 796 cpldirq = au1300_gpio_to_irq(AU1300_PIN_EXTCLK1); 797 irq_set_irq_type(cpldirq, IRQ_TYPE_LEVEL_HIGH); 798 bcsr_init_irq(DB1300_FIRST_INT, DB1300_LAST_INT, cpldirq); 799 800 /* insert/eject IRQs: one always triggers so don't enable them 801 * when doing request_irq() on them. DB1200 has this bug too. 802 */ 803 irq_set_status_flags(DB1300_SD1_INSERT_INT, IRQ_NOAUTOEN); 804 irq_set_status_flags(DB1300_SD1_EJECT_INT, IRQ_NOAUTOEN); 805 irq_set_status_flags(DB1300_CF_INSERT_INT, IRQ_NOAUTOEN); 806 irq_set_status_flags(DB1300_CF_EJECT_INT, IRQ_NOAUTOEN); 807 808 /* 809 * setup board 810 */ 811 prom_get_ethernet_addr(&db1300_eth_config.mac[0]); 812 813 i2c_register_board_info(0, db1300_i2c_devs, 814 ARRAY_SIZE(db1300_i2c_devs)); 815 816 if (platform_driver_register(&db1300_wm97xx_driver)) 817 pr_warn("DB1300: failed to init touch pen irq support!\n"); 818 819 /* Audio PSC clock is supplied by codecs (PSC1, 2) */ 820 __raw_writel(PSC_SEL_CLK_SERCLK, 821 (void __iomem *)KSEG1ADDR(AU1300_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET); 822 wmb(); 823 __raw_writel(PSC_SEL_CLK_SERCLK, 824 (void __iomem *)KSEG1ADDR(AU1300_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET); 825 wmb(); 826 /* I2C driver wants 50MHz, get as close as possible */ 827 c = clk_get(NULL, "psc3_intclk"); 828 if (!IS_ERR(c)) { 829 clk_set_rate(c, 50000000); 830 clk_prepare_enable(c); 831 clk_put(c); 832 } 833 __raw_writel(PSC_SEL_CLK_INTCLK, 834 (void __iomem *)KSEG1ADDR(AU1300_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET); 835 wmb(); 836 837 /* enable power to USB ports */ 838 bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_USBHPWR | BCSR_RESETS_OTGPWR); 839 840 /* although it is socket #0, it uses the CPLD bits which previous boards 841 * have used for socket #1. 842 */ 843 db1x_register_pcmcia_socket( 844 AU1000_PCMCIA_ATTR_PHYS_ADDR, 845 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x00400000 - 1, 846 AU1000_PCMCIA_MEM_PHYS_ADDR, 847 AU1000_PCMCIA_MEM_PHYS_ADDR + 0x00400000 - 1, 848 AU1000_PCMCIA_IO_PHYS_ADDR, 849 AU1000_PCMCIA_IO_PHYS_ADDR + 0x00010000 - 1, 850 DB1300_CF_INT, DB1300_CF_INSERT_INT, 0, DB1300_CF_EJECT_INT, 1); 851 852 swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT; 853 db1x_register_norflash(64 << 20, 2, swapped); 854 855 return platform_add_devices(db1300_dev, ARRAY_SIZE(db1300_dev)); 856 } 857 858 859 int __init db1300_board_setup(void) 860 { 861 unsigned short whoami; 862 863 bcsr_init(DB1300_BCSR_PHYS_ADDR, 864 DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS); 865 866 whoami = bcsr_read(BCSR_WHOAMI); 867 if (BCSR_WHOAMI_BOARD(whoami) != BCSR_WHOAMI_DB1300) 868 return -ENODEV; 869 870 db1300_gpio_config(); 871 872 printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t" 873 "BoardID %d CPLD Rev %d DaughtercardID %d\n", 874 BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami), 875 BCSR_WHOAMI_DCID(whoami)); 876 877 /* enable UARTs, YAMON only enables #2 */ 878 alchemy_uart_enable(AU1300_UART0_PHYS_ADDR); 879 alchemy_uart_enable(AU1300_UART1_PHYS_ADDR); 880 alchemy_uart_enable(AU1300_UART3_PHYS_ADDR); 881 882 return 0; 883 } 884