1 /* 2 * Support for Sharp SL-Cxx00 Series of PDAs 3 * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi) 4 * 5 * Copyright (c) 2005 Richard Purdie 6 * 7 * Based on Sharp's 2.4 kernel patches/lubbock.c 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 as 11 * published by the Free Software Foundation. 12 * 13 */ 14 15 #include <linux/kernel.h> 16 #include <linux/init.h> 17 #include <linux/platform_device.h> 18 #include <linux/delay.h> 19 #include <linux/major.h> 20 #include <linux/fs.h> 21 #include <linux/interrupt.h> 22 #include <linux/gpio.h> 23 #include <linux/leds.h> 24 #include <linux/mmc/host.h> 25 #include <linux/mtd/physmap.h> 26 #include <linux/pm.h> 27 #include <linux/backlight.h> 28 #include <linux/io.h> 29 #include <linux/i2c.h> 30 #include <linux/i2c/pca953x.h> 31 #include <linux/spi/spi.h> 32 #include <linux/spi/ads7846.h> 33 #include <linux/spi/corgi_lcd.h> 34 #include <linux/mtd/sharpsl.h> 35 36 #include <asm/setup.h> 37 #include <asm/memory.h> 38 #include <asm/mach-types.h> 39 #include <mach/hardware.h> 40 #include <asm/irq.h> 41 #include <asm/system.h> 42 43 #include <asm/mach/arch.h> 44 #include <asm/mach/map.h> 45 #include <asm/mach/irq.h> 46 47 #include <mach/pxa27x.h> 48 #include <mach/pxa27x-udc.h> 49 #include <mach/reset.h> 50 #include <mach/i2c.h> 51 #include <mach/irda.h> 52 #include <mach/mmc.h> 53 #include <mach/ohci.h> 54 #include <mach/udc.h> 55 #include <mach/pxafb.h> 56 #include <mach/pxa2xx_spi.h> 57 #include <mach/spitz.h> 58 #include <mach/sharpsl.h> 59 60 #include <asm/mach/sharpsl_param.h> 61 #include <asm/hardware/scoop.h> 62 63 #include "generic.h" 64 #include "devices.h" 65 #include "sharpsl.h" 66 67 static unsigned long spitz_pin_config[] __initdata = { 68 /* Chip Selects */ 69 GPIO78_nCS_2, /* SCOOP #2 */ 70 GPIO79_nCS_3, /* NAND */ 71 GPIO80_nCS_4, /* SCOOP #1 */ 72 73 /* LCD - 16bpp Active TFT */ 74 GPIO58_LCD_LDD_0, 75 GPIO59_LCD_LDD_1, 76 GPIO60_LCD_LDD_2, 77 GPIO61_LCD_LDD_3, 78 GPIO62_LCD_LDD_4, 79 GPIO63_LCD_LDD_5, 80 GPIO64_LCD_LDD_6, 81 GPIO65_LCD_LDD_7, 82 GPIO66_LCD_LDD_8, 83 GPIO67_LCD_LDD_9, 84 GPIO68_LCD_LDD_10, 85 GPIO69_LCD_LDD_11, 86 GPIO70_LCD_LDD_12, 87 GPIO71_LCD_LDD_13, 88 GPIO72_LCD_LDD_14, 89 GPIO73_LCD_LDD_15, 90 GPIO74_LCD_FCLK, 91 GPIO75_LCD_LCLK, 92 GPIO76_LCD_PCLK, 93 94 /* PC Card */ 95 GPIO48_nPOE, 96 GPIO49_nPWE, 97 GPIO50_nPIOR, 98 GPIO51_nPIOW, 99 GPIO85_nPCE_1, 100 GPIO54_nPCE_2, 101 GPIO55_nPREG, 102 GPIO56_nPWAIT, 103 GPIO57_nIOIS16, 104 GPIO104_PSKTSEL, 105 106 /* I2S */ 107 GPIO28_I2S_BITCLK_OUT, 108 GPIO29_I2S_SDATA_IN, 109 GPIO30_I2S_SDATA_OUT, 110 GPIO31_I2S_SYNC, 111 112 /* MMC */ 113 GPIO32_MMC_CLK, 114 GPIO112_MMC_CMD, 115 GPIO92_MMC_DAT_0, 116 GPIO109_MMC_DAT_1, 117 GPIO110_MMC_DAT_2, 118 GPIO111_MMC_DAT_3, 119 120 /* GPIOs */ 121 GPIO9_GPIO, /* SPITZ_GPIO_nSD_DETECT */ 122 GPIO81_GPIO, /* SPITZ_GPIO_nSD_WP */ 123 GPIO41_GPIO, /* SPITZ_GPIO_USB_CONNECT */ 124 GPIO37_GPIO, /* SPITZ_GPIO_USB_HOST */ 125 GPIO35_GPIO, /* SPITZ_GPIO_USB_DEVICE */ 126 GPIO22_GPIO, /* SPITZ_GPIO_HSYNC */ 127 GPIO94_GPIO, /* SPITZ_GPIO_CF_CD */ 128 GPIO105_GPIO, /* SPITZ_GPIO_CF_IRQ */ 129 GPIO106_GPIO, /* SPITZ_GPIO_CF2_IRQ */ 130 131 /* I2C */ 132 GPIO117_I2C_SCL, 133 GPIO118_I2C_SDA, 134 135 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE, 136 }; 137 138 /* 139 * Spitz SCOOP Device #1 140 */ 141 static struct resource spitz_scoop_resources[] = { 142 [0] = { 143 .start = 0x10800000, 144 .end = 0x10800fff, 145 .flags = IORESOURCE_MEM, 146 }, 147 }; 148 149 static struct scoop_config spitz_scoop_setup = { 150 .io_dir = SPITZ_SCP_IO_DIR, 151 .io_out = SPITZ_SCP_IO_OUT, 152 .suspend_clr = SPITZ_SCP_SUS_CLR, 153 .suspend_set = SPITZ_SCP_SUS_SET, 154 .gpio_base = SPITZ_SCP_GPIO_BASE, 155 }; 156 157 struct platform_device spitzscoop_device = { 158 .name = "sharp-scoop", 159 .id = 0, 160 .dev = { 161 .platform_data = &spitz_scoop_setup, 162 }, 163 .num_resources = ARRAY_SIZE(spitz_scoop_resources), 164 .resource = spitz_scoop_resources, 165 }; 166 167 /* 168 * Spitz SCOOP Device #2 169 */ 170 static struct resource spitz_scoop2_resources[] = { 171 [0] = { 172 .start = 0x08800040, 173 .end = 0x08800fff, 174 .flags = IORESOURCE_MEM, 175 }, 176 }; 177 178 static struct scoop_config spitz_scoop2_setup = { 179 .io_dir = SPITZ_SCP2_IO_DIR, 180 .io_out = SPITZ_SCP2_IO_OUT, 181 .suspend_clr = SPITZ_SCP2_SUS_CLR, 182 .suspend_set = SPITZ_SCP2_SUS_SET, 183 .gpio_base = SPITZ_SCP2_GPIO_BASE, 184 }; 185 186 struct platform_device spitzscoop2_device = { 187 .name = "sharp-scoop", 188 .id = 1, 189 .dev = { 190 .platform_data = &spitz_scoop2_setup, 191 }, 192 .num_resources = ARRAY_SIZE(spitz_scoop2_resources), 193 .resource = spitz_scoop2_resources, 194 }; 195 196 #define SPITZ_PWR_SD 0x01 197 #define SPITZ_PWR_CF 0x02 198 199 /* Power control is shared with between one of the CF slots and SD */ 200 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr) 201 { 202 unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR); 203 204 if (new_cpr & 0x0007) { 205 gpio_set_value(SPITZ_GPIO_CF_POWER, 1); 206 if (!(cpr & 0x0002) && !(cpr & 0x0004)) 207 mdelay(5); 208 if (device == SPITZ_PWR_CF) 209 cpr |= 0x0002; 210 if (device == SPITZ_PWR_SD) 211 cpr |= 0x0004; 212 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr); 213 } else { 214 if (device == SPITZ_PWR_CF) 215 cpr &= ~0x0002; 216 if (device == SPITZ_PWR_SD) 217 cpr &= ~0x0004; 218 if (!(cpr & 0x0002) && !(cpr & 0x0004)) { 219 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000); 220 mdelay(1); 221 gpio_set_value(SPITZ_GPIO_CF_POWER, 0); 222 } else { 223 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr); 224 } 225 } 226 } 227 228 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr) 229 { 230 /* Only need to override behaviour for slot 0 */ 231 if (nr == 0) 232 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr); 233 else 234 write_scoop_reg(scoop, SCOOP_CPR, cpr); 235 } 236 237 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = { 238 { 239 .dev = &spitzscoop_device.dev, 240 .irq = SPITZ_IRQ_GPIO_CF_IRQ, 241 .cd_irq = SPITZ_IRQ_GPIO_CF_CD, 242 .cd_irq_str = "PCMCIA0 CD", 243 },{ 244 .dev = &spitzscoop2_device.dev, 245 .irq = SPITZ_IRQ_GPIO_CF2_IRQ, 246 .cd_irq = -1, 247 }, 248 }; 249 250 static struct scoop_pcmcia_config spitz_pcmcia_config = { 251 .devs = &spitz_pcmcia_scoop[0], 252 .num_devs = 2, 253 .power_ctrl = spitz_pcmcia_pwr, 254 }; 255 256 EXPORT_SYMBOL(spitzscoop_device); 257 EXPORT_SYMBOL(spitzscoop2_device); 258 259 /* 260 * Spitz Keyboard Device 261 */ 262 static struct platform_device spitzkbd_device = { 263 .name = "spitz-keyboard", 264 .id = -1, 265 }; 266 267 268 /* 269 * Spitz LEDs 270 */ 271 static struct gpio_led spitz_gpio_leds[] = { 272 { 273 .name = "spitz:amber:charge", 274 .default_trigger = "sharpsl-charge", 275 .gpio = SPITZ_GPIO_LED_ORANGE, 276 }, 277 { 278 .name = "spitz:green:hddactivity", 279 .default_trigger = "ide-disk", 280 .gpio = SPITZ_GPIO_LED_GREEN, 281 }, 282 }; 283 284 static struct gpio_led_platform_data spitz_gpio_leds_info = { 285 .leds = spitz_gpio_leds, 286 .num_leds = ARRAY_SIZE(spitz_gpio_leds), 287 }; 288 289 static struct platform_device spitzled_device = { 290 .name = "leds-gpio", 291 .id = -1, 292 .dev = { 293 .platform_data = &spitz_gpio_leds_info, 294 }, 295 }; 296 297 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) 298 static struct pxa2xx_spi_master spitz_spi_info = { 299 .num_chipselect = 3, 300 }; 301 302 static struct ads7846_platform_data spitz_ads7846_info = { 303 .model = 7846, 304 .vref_delay_usecs = 100, 305 .x_plate_ohms = 419, 306 .y_plate_ohms = 486, 307 .gpio_pendown = SPITZ_GPIO_TP_INT, 308 }; 309 310 static void spitz_ads7846_cs(u32 command) 311 { 312 gpio_set_value(SPITZ_GPIO_ADS7846_CS, !(command == PXA2XX_CS_ASSERT)); 313 } 314 315 static struct pxa2xx_spi_chip spitz_ads7846_chip = { 316 .cs_control = spitz_ads7846_cs, 317 }; 318 319 static void spitz_bl_kick_battery(void) 320 { 321 void (*kick_batt)(void); 322 323 kick_batt = symbol_get(sharpsl_battery_kick); 324 if (kick_batt) { 325 kick_batt(); 326 symbol_put(sharpsl_battery_kick); 327 } 328 } 329 330 static struct corgi_lcd_platform_data spitz_lcdcon_info = { 331 .init_mode = CORGI_LCD_MODE_VGA, 332 .max_intensity = 0x2f, 333 .default_intensity = 0x1f, 334 .limit_mask = 0x0b, 335 .gpio_backlight_cont = SPITZ_GPIO_BACKLIGHT_CONT, 336 .gpio_backlight_on = SPITZ_GPIO_BACKLIGHT_ON, 337 .kick_battery = spitz_bl_kick_battery, 338 }; 339 340 static void spitz_lcdcon_cs(u32 command) 341 { 342 gpio_set_value(SPITZ_GPIO_LCDCON_CS, !(command == PXA2XX_CS_ASSERT)); 343 } 344 345 static struct pxa2xx_spi_chip spitz_lcdcon_chip = { 346 .cs_control = spitz_lcdcon_cs, 347 }; 348 349 static void spitz_max1111_cs(u32 command) 350 { 351 gpio_set_value(SPITZ_GPIO_MAX1111_CS, !(command == PXA2XX_CS_ASSERT)); 352 } 353 354 static struct pxa2xx_spi_chip spitz_max1111_chip = { 355 .cs_control = spitz_max1111_cs, 356 }; 357 358 static struct spi_board_info spitz_spi_devices[] = { 359 { 360 .modalias = "ads7846", 361 .max_speed_hz = 1200000, 362 .bus_num = 2, 363 .chip_select = 0, 364 .platform_data = &spitz_ads7846_info, 365 .controller_data= &spitz_ads7846_chip, 366 .irq = gpio_to_irq(SPITZ_GPIO_TP_INT), 367 }, { 368 .modalias = "corgi-lcd", 369 .max_speed_hz = 50000, 370 .bus_num = 2, 371 .chip_select = 1, 372 .platform_data = &spitz_lcdcon_info, 373 .controller_data= &spitz_lcdcon_chip, 374 }, { 375 .modalias = "max1111", 376 .max_speed_hz = 450000, 377 .bus_num = 2, 378 .chip_select = 2, 379 .controller_data= &spitz_max1111_chip, 380 }, 381 }; 382 383 static void __init spitz_init_spi(void) 384 { 385 int err; 386 387 err = gpio_request(SPITZ_GPIO_ADS7846_CS, "ADS7846_CS"); 388 if (err) 389 return; 390 391 err = gpio_request(SPITZ_GPIO_LCDCON_CS, "LCDCON_CS"); 392 if (err) 393 goto err_free_1; 394 395 err = gpio_request(SPITZ_GPIO_MAX1111_CS, "MAX1111_CS"); 396 if (err) 397 goto err_free_2; 398 399 err = gpio_direction_output(SPITZ_GPIO_ADS7846_CS, 1); 400 if (err) 401 goto err_free_3; 402 err = gpio_direction_output(SPITZ_GPIO_LCDCON_CS, 1); 403 if (err) 404 goto err_free_3; 405 err = gpio_direction_output(SPITZ_GPIO_MAX1111_CS, 1); 406 if (err) 407 goto err_free_3; 408 409 if (machine_is_akita()) { 410 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT; 411 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON; 412 } 413 414 pxa2xx_set_spi_info(2, &spitz_spi_info); 415 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices)); 416 return; 417 418 err_free_3: 419 gpio_free(SPITZ_GPIO_MAX1111_CS); 420 err_free_2: 421 gpio_free(SPITZ_GPIO_LCDCON_CS); 422 err_free_1: 423 gpio_free(SPITZ_GPIO_ADS7846_CS); 424 } 425 #else 426 static inline void spitz_init_spi(void) {} 427 #endif 428 429 /* 430 * MMC/SD Device 431 * 432 * The card detect interrupt isn't debounced so we delay it by 250ms 433 * to give the card a chance to fully insert/eject. 434 */ 435 436 static struct pxamci_platform_data spitz_mci_platform_data; 437 438 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data) 439 { 440 int err; 441 442 err = gpio_request(SPITZ_GPIO_nSD_DETECT, "nSD_DETECT"); 443 if (err) 444 goto err_out; 445 446 err = gpio_request(SPITZ_GPIO_nSD_WP, "nSD_WP"); 447 if (err) 448 goto err_free_1; 449 450 gpio_direction_input(SPITZ_GPIO_nSD_DETECT); 451 gpio_direction_input(SPITZ_GPIO_nSD_WP); 452 453 spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250); 454 455 err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int, 456 IRQF_DISABLED | IRQF_TRIGGER_RISING | 457 IRQF_TRIGGER_FALLING, 458 "MMC card detect", data); 459 if (err) { 460 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n", 461 __func__); 462 goto err_free_2; 463 } 464 return 0; 465 466 err_free_2: 467 gpio_free(SPITZ_GPIO_nSD_WP); 468 err_free_1: 469 gpio_free(SPITZ_GPIO_nSD_DETECT); 470 err_out: 471 return err; 472 } 473 474 static void spitz_mci_setpower(struct device *dev, unsigned int vdd) 475 { 476 struct pxamci_platform_data* p_d = dev->platform_data; 477 478 if (( 1 << vdd) & p_d->ocr_mask) 479 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004); 480 else 481 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000); 482 } 483 484 static int spitz_mci_get_ro(struct device *dev) 485 { 486 return gpio_get_value(SPITZ_GPIO_nSD_WP); 487 } 488 489 static void spitz_mci_exit(struct device *dev, void *data) 490 { 491 free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data); 492 gpio_free(SPITZ_GPIO_nSD_WP); 493 gpio_free(SPITZ_GPIO_nSD_DETECT); 494 } 495 496 static struct pxamci_platform_data spitz_mci_platform_data = { 497 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, 498 .init = spitz_mci_init, 499 .get_ro = spitz_mci_get_ro, 500 .setpower = spitz_mci_setpower, 501 .exit = spitz_mci_exit, 502 }; 503 504 505 /* 506 * USB Host (OHCI) 507 */ 508 static int spitz_ohci_init(struct device *dev) 509 { 510 int err; 511 512 err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST"); 513 if (err) 514 return err; 515 516 /* Only Port 2 is connected 517 * Setup USB Port 2 Output Control Register 518 */ 519 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE; 520 521 return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1); 522 } 523 524 static struct pxaohci_platform_data spitz_ohci_platform_data = { 525 .port_mode = PMM_NPS_MODE, 526 .init = spitz_ohci_init, 527 .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION, 528 .power_budget = 150, 529 }; 530 531 532 /* 533 * Irda 534 */ 535 static int spitz_irda_startup(struct device *dev) 536 { 537 int rc; 538 539 rc = gpio_request(SPITZ_GPIO_IR_ON, "IrDA on"); 540 if (rc) 541 goto err; 542 543 rc = gpio_direction_output(SPITZ_GPIO_IR_ON, 1); 544 if (rc) 545 goto err_dir; 546 547 return 0; 548 549 err_dir: 550 gpio_free(SPITZ_GPIO_IR_ON); 551 err: 552 return rc; 553 } 554 555 static void spitz_irda_shutdown(struct device *dev) 556 { 557 gpio_free(SPITZ_GPIO_IR_ON); 558 } 559 560 static void spitz_irda_transceiver_mode(struct device *dev, int mode) 561 { 562 gpio_set_value(SPITZ_GPIO_IR_ON, mode & IR_OFF); 563 pxa2xx_transceiver_mode(dev, mode); 564 } 565 566 #ifdef CONFIG_MACH_AKITA 567 static void akita_irda_transceiver_mode(struct device *dev, int mode) 568 { 569 gpio_set_value(AKITA_GPIO_IR_ON, mode & IR_OFF); 570 pxa2xx_transceiver_mode(dev, mode); 571 } 572 #endif 573 574 static struct pxaficp_platform_data spitz_ficp_platform_data = { 575 .transceiver_cap = IR_SIRMODE | IR_OFF, 576 .transceiver_mode = spitz_irda_transceiver_mode, 577 .startup = spitz_irda_startup, 578 .shutdown = spitz_irda_shutdown, 579 }; 580 581 582 /* 583 * Spitz PXA Framebuffer 584 */ 585 586 static struct pxafb_mode_info spitz_pxafb_modes[] = { 587 { 588 .pixclock = 19231, 589 .xres = 480, 590 .yres = 640, 591 .bpp = 16, 592 .hsync_len = 40, 593 .left_margin = 46, 594 .right_margin = 125, 595 .vsync_len = 3, 596 .upper_margin = 1, 597 .lower_margin = 0, 598 .sync = 0, 599 },{ 600 .pixclock = 134617, 601 .xres = 240, 602 .yres = 320, 603 .bpp = 16, 604 .hsync_len = 20, 605 .left_margin = 20, 606 .right_margin = 46, 607 .vsync_len = 2, 608 .upper_margin = 1, 609 .lower_margin = 0, 610 .sync = 0, 611 }, 612 }; 613 614 static struct pxafb_mach_info spitz_pxafb_info = { 615 .modes = &spitz_pxafb_modes[0], 616 .num_modes = 2, 617 .fixed_modes = 1, 618 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING, 619 }; 620 621 static struct mtd_partition sharpsl_nand_partitions[] = { 622 { 623 .name = "System Area", 624 .offset = 0, 625 .size = 7 * 1024 * 1024, 626 }, 627 { 628 .name = "Root Filesystem", 629 .offset = 7 * 1024 * 1024, 630 }, 631 { 632 .name = "Home Filesystem", 633 .offset = MTDPART_OFS_APPEND, 634 .size = MTDPART_SIZ_FULL, 635 }, 636 }; 637 638 static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; 639 640 static struct nand_bbt_descr sharpsl_bbt = { 641 .options = 0, 642 .offs = 4, 643 .len = 2, 644 .pattern = scan_ff_pattern 645 }; 646 647 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = { 648 .badblock_pattern = &sharpsl_bbt, 649 .partitions = sharpsl_nand_partitions, 650 .nr_partitions = ARRAY_SIZE(sharpsl_nand_partitions), 651 }; 652 653 static struct resource sharpsl_nand_resources[] = { 654 { 655 .start = 0x0C000000, 656 .end = 0x0C000FFF, 657 .flags = IORESOURCE_MEM, 658 }, 659 }; 660 661 static struct platform_device sharpsl_nand_device = { 662 .name = "sharpsl-nand", 663 .id = -1, 664 .resource = sharpsl_nand_resources, 665 .num_resources = ARRAY_SIZE(sharpsl_nand_resources), 666 .dev.platform_data = &sharpsl_nand_platform_data, 667 }; 668 669 670 static struct mtd_partition sharpsl_rom_parts[] = { 671 { 672 .name ="Boot PROM Filesystem", 673 .offset = 0x00140000, 674 .size = MTDPART_SIZ_FULL, 675 }, 676 }; 677 678 static struct physmap_flash_data sharpsl_rom_data = { 679 .width = 2, 680 .nr_parts = ARRAY_SIZE(sharpsl_rom_parts), 681 .parts = sharpsl_rom_parts, 682 }; 683 684 static struct resource sharpsl_rom_resources[] = { 685 { 686 .start = 0x00000000, 687 .end = 0x007fffff, 688 .flags = IORESOURCE_MEM, 689 }, 690 }; 691 692 static struct platform_device sharpsl_rom_device = { 693 .name = "physmap-flash", 694 .id = -1, 695 .resource = sharpsl_rom_resources, 696 .num_resources = ARRAY_SIZE(sharpsl_rom_resources), 697 .dev.platform_data = &sharpsl_rom_data, 698 }; 699 700 static struct platform_device *devices[] __initdata = { 701 &spitzscoop_device, 702 &spitzkbd_device, 703 &spitzled_device, 704 &sharpsl_nand_device, 705 &sharpsl_rom_device, 706 }; 707 708 static void spitz_poweroff(void) 709 { 710 arm_machine_restart('g', NULL); 711 } 712 713 static void spitz_restart(char mode, const char *cmd) 714 { 715 /* Bootloader magic for a reboot */ 716 if((MSC0 & 0xffff0000) == 0x7ff00000) 717 MSC0 = (MSC0 & 0xffff) | 0x7ee00000; 718 719 spitz_poweroff(); 720 } 721 722 static void __init common_init(void) 723 { 724 init_gpio_reset(SPITZ_GPIO_ON_RESET, 1); 725 pm_power_off = spitz_poweroff; 726 arm_pm_restart = spitz_restart; 727 728 if (machine_is_spitz()) { 729 sharpsl_nand_partitions[1].size = 5 * 1024 * 1024; 730 } else if (machine_is_akita()) { 731 sharpsl_nand_partitions[1].size = 58 * 1024 * 1024; 732 } else if (machine_is_borzoi()) { 733 sharpsl_nand_partitions[1].size = 32 * 1024 * 1024; 734 } 735 736 PMCR = 0x00; 737 738 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ 739 PCFR |= PCFR_OPDE; 740 741 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config)); 742 743 spitz_init_spi(); 744 745 platform_add_devices(devices, ARRAY_SIZE(devices)); 746 pxa_set_mci_info(&spitz_mci_platform_data); 747 pxa_set_ohci_info(&spitz_ohci_platform_data); 748 pxa_set_ficp_info(&spitz_ficp_platform_data); 749 set_pxa_fb_info(&spitz_pxafb_info); 750 pxa_set_i2c_info(NULL); 751 } 752 753 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI) 754 static void __init spitz_init(void) 755 { 756 platform_scoop_config = &spitz_pcmcia_config; 757 758 common_init(); 759 760 platform_device_register(&spitzscoop2_device); 761 } 762 #endif 763 764 #ifdef CONFIG_MACH_AKITA 765 /* 766 * Akita IO Expander 767 */ 768 static struct pca953x_platform_data akita_ioexp = { 769 .gpio_base = AKITA_IOEXP_GPIO_BASE, 770 }; 771 772 static struct i2c_board_info akita_i2c_board_info[] = { 773 { 774 .type = "max7310", 775 .addr = 0x18, 776 .platform_data = &akita_ioexp, 777 }, 778 }; 779 780 static struct nand_bbt_descr sharpsl_akita_bbt = { 781 .options = 0, 782 .offs = 4, 783 .len = 1, 784 .pattern = scan_ff_pattern 785 }; 786 787 static struct nand_ecclayout akita_oobinfo = { 788 .eccbytes = 24, 789 .eccpos = { 790 0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11, 791 0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23, 792 0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37}, 793 .oobfree = {{0x08, 0x09}} 794 }; 795 796 static void __init akita_init(void) 797 { 798 spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode; 799 800 sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt; 801 sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo; 802 803 /* We just pretend the second element of the array doesn't exist */ 804 spitz_pcmcia_config.num_devs = 1; 805 platform_scoop_config = &spitz_pcmcia_config; 806 807 i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info)); 808 809 common_init(); 810 } 811 #endif 812 813 static void __init fixup_spitz(struct machine_desc *desc, 814 struct tag *tags, char **cmdline, struct meminfo *mi) 815 { 816 sharpsl_save_param(); 817 mi->nr_banks = 1; 818 mi->bank[0].start = 0xa0000000; 819 mi->bank[0].node = 0; 820 mi->bank[0].size = (64*1024*1024); 821 } 822 823 #ifdef CONFIG_MACH_SPITZ 824 MACHINE_START(SPITZ, "SHARP Spitz") 825 .phys_io = 0x40000000, 826 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 827 .fixup = fixup_spitz, 828 .map_io = pxa_map_io, 829 .init_irq = pxa27x_init_irq, 830 .init_machine = spitz_init, 831 .timer = &pxa_timer, 832 MACHINE_END 833 #endif 834 835 #ifdef CONFIG_MACH_BORZOI 836 MACHINE_START(BORZOI, "SHARP Borzoi") 837 .phys_io = 0x40000000, 838 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 839 .fixup = fixup_spitz, 840 .map_io = pxa_map_io, 841 .init_irq = pxa27x_init_irq, 842 .init_machine = spitz_init, 843 .timer = &pxa_timer, 844 MACHINE_END 845 #endif 846 847 #ifdef CONFIG_MACH_AKITA 848 MACHINE_START(AKITA, "SHARP Akita") 849 .phys_io = 0x40000000, 850 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 851 .fixup = fixup_spitz, 852 .map_io = pxa_map_io, 853 .init_irq = pxa27x_init_irq, 854 .init_machine = akita_init, 855 .timer = &pxa_timer, 856 MACHINE_END 857 #endif 858