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/pxa-regs.h> 48 #include <mach/pxa2xx-regs.h> 49 #include <mach/mfp-pxa27x.h> 50 #include <mach/pxa27x-udc.h> 51 #include <mach/reset.h> 52 #include <mach/i2c.h> 53 #include <mach/irda.h> 54 #include <mach/mmc.h> 55 #include <mach/ohci.h> 56 #include <mach/udc.h> 57 #include <mach/pxafb.h> 58 #include <mach/pxa2xx_spi.h> 59 #include <mach/spitz.h> 60 #include <mach/sharpsl.h> 61 62 #include <asm/mach/sharpsl_param.h> 63 #include <asm/hardware/scoop.h> 64 65 #include "generic.h" 66 #include "devices.h" 67 #include "sharpsl.h" 68 69 static unsigned long spitz_pin_config[] __initdata = { 70 /* Chip Selects */ 71 GPIO78_nCS_2, /* SCOOP #2 */ 72 GPIO79_nCS_3, /* NAND */ 73 GPIO80_nCS_4, /* SCOOP #1 */ 74 75 /* LCD - 16bpp Active TFT */ 76 GPIO58_LCD_LDD_0, 77 GPIO59_LCD_LDD_1, 78 GPIO60_LCD_LDD_2, 79 GPIO61_LCD_LDD_3, 80 GPIO62_LCD_LDD_4, 81 GPIO63_LCD_LDD_5, 82 GPIO64_LCD_LDD_6, 83 GPIO65_LCD_LDD_7, 84 GPIO66_LCD_LDD_8, 85 GPIO67_LCD_LDD_9, 86 GPIO68_LCD_LDD_10, 87 GPIO69_LCD_LDD_11, 88 GPIO70_LCD_LDD_12, 89 GPIO71_LCD_LDD_13, 90 GPIO72_LCD_LDD_14, 91 GPIO73_LCD_LDD_15, 92 GPIO74_LCD_FCLK, 93 GPIO75_LCD_LCLK, 94 GPIO76_LCD_PCLK, 95 96 /* PC Card */ 97 GPIO48_nPOE, 98 GPIO49_nPWE, 99 GPIO50_nPIOR, 100 GPIO51_nPIOW, 101 GPIO85_nPCE_1, 102 GPIO54_nPCE_2, 103 GPIO55_nPREG, 104 GPIO56_nPWAIT, 105 GPIO57_nIOIS16, 106 GPIO104_PSKTSEL, 107 108 /* I2S */ 109 GPIO28_I2S_BITCLK_OUT, 110 GPIO29_I2S_SDATA_IN, 111 GPIO30_I2S_SDATA_OUT, 112 GPIO31_I2S_SYNC, 113 114 /* MMC */ 115 GPIO32_MMC_CLK, 116 GPIO112_MMC_CMD, 117 GPIO92_MMC_DAT_0, 118 GPIO109_MMC_DAT_1, 119 GPIO110_MMC_DAT_2, 120 GPIO111_MMC_DAT_3, 121 122 /* GPIOs */ 123 GPIO9_GPIO, /* SPITZ_GPIO_nSD_DETECT */ 124 GPIO81_GPIO, /* SPITZ_GPIO_nSD_WP */ 125 GPIO41_GPIO, /* SPITZ_GPIO_USB_CONNECT */ 126 GPIO37_GPIO, /* SPITZ_GPIO_USB_HOST */ 127 GPIO35_GPIO, /* SPITZ_GPIO_USB_DEVICE */ 128 GPIO22_GPIO, /* SPITZ_GPIO_HSYNC */ 129 GPIO94_GPIO, /* SPITZ_GPIO_CF_CD */ 130 GPIO105_GPIO, /* SPITZ_GPIO_CF_IRQ */ 131 GPIO106_GPIO, /* SPITZ_GPIO_CF2_IRQ */ 132 133 /* I2C */ 134 GPIO117_I2C_SCL, 135 GPIO118_I2C_SDA, 136 137 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE, 138 }; 139 140 /* 141 * Spitz SCOOP Device #1 142 */ 143 static struct resource spitz_scoop_resources[] = { 144 [0] = { 145 .start = 0x10800000, 146 .end = 0x10800fff, 147 .flags = IORESOURCE_MEM, 148 }, 149 }; 150 151 static struct scoop_config spitz_scoop_setup = { 152 .io_dir = SPITZ_SCP_IO_DIR, 153 .io_out = SPITZ_SCP_IO_OUT, 154 .suspend_clr = SPITZ_SCP_SUS_CLR, 155 .suspend_set = SPITZ_SCP_SUS_SET, 156 .gpio_base = SPITZ_SCP_GPIO_BASE, 157 }; 158 159 struct platform_device spitzscoop_device = { 160 .name = "sharp-scoop", 161 .id = 0, 162 .dev = { 163 .platform_data = &spitz_scoop_setup, 164 }, 165 .num_resources = ARRAY_SIZE(spitz_scoop_resources), 166 .resource = spitz_scoop_resources, 167 }; 168 169 /* 170 * Spitz SCOOP Device #2 171 */ 172 static struct resource spitz_scoop2_resources[] = { 173 [0] = { 174 .start = 0x08800040, 175 .end = 0x08800fff, 176 .flags = IORESOURCE_MEM, 177 }, 178 }; 179 180 static struct scoop_config spitz_scoop2_setup = { 181 .io_dir = SPITZ_SCP2_IO_DIR, 182 .io_out = SPITZ_SCP2_IO_OUT, 183 .suspend_clr = SPITZ_SCP2_SUS_CLR, 184 .suspend_set = SPITZ_SCP2_SUS_SET, 185 .gpio_base = SPITZ_SCP2_GPIO_BASE, 186 }; 187 188 struct platform_device spitzscoop2_device = { 189 .name = "sharp-scoop", 190 .id = 1, 191 .dev = { 192 .platform_data = &spitz_scoop2_setup, 193 }, 194 .num_resources = ARRAY_SIZE(spitz_scoop2_resources), 195 .resource = spitz_scoop2_resources, 196 }; 197 198 #define SPITZ_PWR_SD 0x01 199 #define SPITZ_PWR_CF 0x02 200 201 /* Power control is shared with between one of the CF slots and SD */ 202 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr) 203 { 204 unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR); 205 206 if (new_cpr & 0x0007) { 207 gpio_set_value(SPITZ_GPIO_CF_POWER, 1); 208 if (!(cpr & 0x0002) && !(cpr & 0x0004)) 209 mdelay(5); 210 if (device == SPITZ_PWR_CF) 211 cpr |= 0x0002; 212 if (device == SPITZ_PWR_SD) 213 cpr |= 0x0004; 214 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr); 215 } else { 216 if (device == SPITZ_PWR_CF) 217 cpr &= ~0x0002; 218 if (device == SPITZ_PWR_SD) 219 cpr &= ~0x0004; 220 if (!(cpr & 0x0002) && !(cpr & 0x0004)) { 221 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000); 222 mdelay(1); 223 gpio_set_value(SPITZ_GPIO_CF_POWER, 0); 224 } else { 225 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr); 226 } 227 } 228 } 229 230 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr) 231 { 232 /* Only need to override behaviour for slot 0 */ 233 if (nr == 0) 234 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr); 235 else 236 write_scoop_reg(scoop, SCOOP_CPR, cpr); 237 } 238 239 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = { 240 { 241 .dev = &spitzscoop_device.dev, 242 .irq = SPITZ_IRQ_GPIO_CF_IRQ, 243 .cd_irq = SPITZ_IRQ_GPIO_CF_CD, 244 .cd_irq_str = "PCMCIA0 CD", 245 },{ 246 .dev = &spitzscoop2_device.dev, 247 .irq = SPITZ_IRQ_GPIO_CF2_IRQ, 248 .cd_irq = -1, 249 }, 250 }; 251 252 static struct scoop_pcmcia_config spitz_pcmcia_config = { 253 .devs = &spitz_pcmcia_scoop[0], 254 .num_devs = 2, 255 .power_ctrl = spitz_pcmcia_pwr, 256 }; 257 258 EXPORT_SYMBOL(spitzscoop_device); 259 EXPORT_SYMBOL(spitzscoop2_device); 260 261 /* 262 * Spitz Keyboard Device 263 */ 264 static struct platform_device spitzkbd_device = { 265 .name = "spitz-keyboard", 266 .id = -1, 267 }; 268 269 270 /* 271 * Spitz LEDs 272 */ 273 static struct gpio_led spitz_gpio_leds[] = { 274 { 275 .name = "spitz:amber:charge", 276 .default_trigger = "sharpsl-charge", 277 .gpio = SPITZ_GPIO_LED_ORANGE, 278 }, 279 { 280 .name = "spitz:green:hddactivity", 281 .default_trigger = "ide-disk", 282 .gpio = SPITZ_GPIO_LED_GREEN, 283 }, 284 }; 285 286 static struct gpio_led_platform_data spitz_gpio_leds_info = { 287 .leds = spitz_gpio_leds, 288 .num_leds = ARRAY_SIZE(spitz_gpio_leds), 289 }; 290 291 static struct platform_device spitzled_device = { 292 .name = "leds-gpio", 293 .id = -1, 294 .dev = { 295 .platform_data = &spitz_gpio_leds_info, 296 }, 297 }; 298 299 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) 300 static struct pxa2xx_spi_master spitz_spi_info = { 301 .num_chipselect = 3, 302 }; 303 304 static struct ads7846_platform_data spitz_ads7846_info = { 305 .model = 7846, 306 .vref_delay_usecs = 100, 307 .x_plate_ohms = 419, 308 .y_plate_ohms = 486, 309 .gpio_pendown = SPITZ_GPIO_TP_INT, 310 }; 311 312 static void spitz_ads7846_cs(u32 command) 313 { 314 gpio_set_value(SPITZ_GPIO_ADS7846_CS, !(command == PXA2XX_CS_ASSERT)); 315 } 316 317 static struct pxa2xx_spi_chip spitz_ads7846_chip = { 318 .cs_control = spitz_ads7846_cs, 319 }; 320 321 static void spitz_bl_kick_battery(void) 322 { 323 void (*kick_batt)(void); 324 325 kick_batt = symbol_get(sharpsl_battery_kick); 326 if (kick_batt) { 327 kick_batt(); 328 symbol_put(sharpsl_battery_kick); 329 } 330 } 331 332 static struct corgi_lcd_platform_data spitz_lcdcon_info = { 333 .init_mode = CORGI_LCD_MODE_VGA, 334 .max_intensity = 0x2f, 335 .default_intensity = 0x1f, 336 .limit_mask = 0x0b, 337 .gpio_backlight_cont = SPITZ_GPIO_BACKLIGHT_CONT, 338 .gpio_backlight_on = SPITZ_GPIO_BACKLIGHT_ON, 339 .kick_battery = spitz_bl_kick_battery, 340 }; 341 342 static void spitz_lcdcon_cs(u32 command) 343 { 344 gpio_set_value(SPITZ_GPIO_LCDCON_CS, !(command == PXA2XX_CS_ASSERT)); 345 } 346 347 static struct pxa2xx_spi_chip spitz_lcdcon_chip = { 348 .cs_control = spitz_lcdcon_cs, 349 }; 350 351 static void spitz_max1111_cs(u32 command) 352 { 353 gpio_set_value(SPITZ_GPIO_MAX1111_CS, !(command == PXA2XX_CS_ASSERT)); 354 } 355 356 static struct pxa2xx_spi_chip spitz_max1111_chip = { 357 .cs_control = spitz_max1111_cs, 358 }; 359 360 static struct spi_board_info spitz_spi_devices[] = { 361 { 362 .modalias = "ads7846", 363 .max_speed_hz = 1200000, 364 .bus_num = 2, 365 .chip_select = 0, 366 .platform_data = &spitz_ads7846_info, 367 .controller_data= &spitz_ads7846_chip, 368 .irq = gpio_to_irq(SPITZ_GPIO_TP_INT), 369 }, { 370 .modalias = "corgi-lcd", 371 .max_speed_hz = 50000, 372 .bus_num = 2, 373 .chip_select = 1, 374 .platform_data = &spitz_lcdcon_info, 375 .controller_data= &spitz_lcdcon_chip, 376 }, { 377 .modalias = "max1111", 378 .max_speed_hz = 450000, 379 .bus_num = 2, 380 .chip_select = 2, 381 .controller_data= &spitz_max1111_chip, 382 }, 383 }; 384 385 static void __init spitz_init_spi(void) 386 { 387 int err; 388 389 err = gpio_request(SPITZ_GPIO_ADS7846_CS, "ADS7846_CS"); 390 if (err) 391 return; 392 393 err = gpio_request(SPITZ_GPIO_LCDCON_CS, "LCDCON_CS"); 394 if (err) 395 goto err_free_1; 396 397 err = gpio_request(SPITZ_GPIO_MAX1111_CS, "MAX1111_CS"); 398 if (err) 399 goto err_free_2; 400 401 err = gpio_direction_output(SPITZ_GPIO_ADS7846_CS, 1); 402 if (err) 403 goto err_free_3; 404 err = gpio_direction_output(SPITZ_GPIO_LCDCON_CS, 1); 405 if (err) 406 goto err_free_3; 407 err = gpio_direction_output(SPITZ_GPIO_MAX1111_CS, 1); 408 if (err) 409 goto err_free_3; 410 411 if (machine_is_akita()) { 412 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT; 413 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON; 414 } 415 416 pxa2xx_set_spi_info(2, &spitz_spi_info); 417 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices)); 418 return; 419 420 err_free_3: 421 gpio_free(SPITZ_GPIO_MAX1111_CS); 422 err_free_2: 423 gpio_free(SPITZ_GPIO_LCDCON_CS); 424 err_free_1: 425 gpio_free(SPITZ_GPIO_ADS7846_CS); 426 } 427 #else 428 static inline void spitz_init_spi(void) {} 429 #endif 430 431 /* 432 * MMC/SD Device 433 * 434 * The card detect interrupt isn't debounced so we delay it by 250ms 435 * to give the card a chance to fully insert/eject. 436 */ 437 438 static struct pxamci_platform_data spitz_mci_platform_data; 439 440 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data) 441 { 442 int err; 443 444 err = gpio_request(SPITZ_GPIO_nSD_DETECT, "nSD_DETECT"); 445 if (err) 446 goto err_out; 447 448 err = gpio_request(SPITZ_GPIO_nSD_WP, "nSD_WP"); 449 if (err) 450 goto err_free_1; 451 452 gpio_direction_input(SPITZ_GPIO_nSD_DETECT); 453 gpio_direction_input(SPITZ_GPIO_nSD_WP); 454 455 spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250); 456 457 err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int, 458 IRQF_DISABLED | IRQF_TRIGGER_RISING | 459 IRQF_TRIGGER_FALLING, 460 "MMC card detect", data); 461 if (err) { 462 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n", 463 __func__); 464 goto err_free_2; 465 } 466 return 0; 467 468 err_free_2: 469 gpio_free(SPITZ_GPIO_nSD_WP); 470 err_free_1: 471 gpio_free(SPITZ_GPIO_nSD_DETECT); 472 err_out: 473 return err; 474 } 475 476 static void spitz_mci_setpower(struct device *dev, unsigned int vdd) 477 { 478 struct pxamci_platform_data* p_d = dev->platform_data; 479 480 if (( 1 << vdd) & p_d->ocr_mask) 481 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004); 482 else 483 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000); 484 } 485 486 static int spitz_mci_get_ro(struct device *dev) 487 { 488 return gpio_get_value(SPITZ_GPIO_nSD_WP); 489 } 490 491 static void spitz_mci_exit(struct device *dev, void *data) 492 { 493 free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data); 494 gpio_free(SPITZ_GPIO_nSD_WP); 495 gpio_free(SPITZ_GPIO_nSD_DETECT); 496 } 497 498 static struct pxamci_platform_data spitz_mci_platform_data = { 499 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, 500 .init = spitz_mci_init, 501 .get_ro = spitz_mci_get_ro, 502 .setpower = spitz_mci_setpower, 503 .exit = spitz_mci_exit, 504 }; 505 506 507 /* 508 * USB Host (OHCI) 509 */ 510 static int spitz_ohci_init(struct device *dev) 511 { 512 int err; 513 514 err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST"); 515 if (err) 516 return err; 517 518 /* Only Port 2 is connected 519 * Setup USB Port 2 Output Control Register 520 */ 521 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE; 522 523 return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1); 524 } 525 526 static struct pxaohci_platform_data spitz_ohci_platform_data = { 527 .port_mode = PMM_NPS_MODE, 528 .init = spitz_ohci_init, 529 .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION, 530 .power_budget = 150, 531 }; 532 533 534 /* 535 * Irda 536 */ 537 static int spitz_irda_startup(struct device *dev) 538 { 539 int rc; 540 541 rc = gpio_request(SPITZ_GPIO_IR_ON, "IrDA on"); 542 if (rc) 543 goto err; 544 545 rc = gpio_direction_output(SPITZ_GPIO_IR_ON, 1); 546 if (rc) 547 goto err_dir; 548 549 return 0; 550 551 err_dir: 552 gpio_free(SPITZ_GPIO_IR_ON); 553 err: 554 return rc; 555 } 556 557 static void spitz_irda_shutdown(struct device *dev) 558 { 559 gpio_free(SPITZ_GPIO_IR_ON); 560 } 561 562 static void spitz_irda_transceiver_mode(struct device *dev, int mode) 563 { 564 gpio_set_value(SPITZ_GPIO_IR_ON, mode & IR_OFF); 565 pxa2xx_transceiver_mode(dev, mode); 566 } 567 568 #ifdef CONFIG_MACH_AKITA 569 static void akita_irda_transceiver_mode(struct device *dev, int mode) 570 { 571 gpio_set_value(AKITA_GPIO_IR_ON, mode & IR_OFF); 572 pxa2xx_transceiver_mode(dev, mode); 573 } 574 #endif 575 576 static struct pxaficp_platform_data spitz_ficp_platform_data = { 577 .transceiver_cap = IR_SIRMODE | IR_OFF, 578 .transceiver_mode = spitz_irda_transceiver_mode, 579 .startup = spitz_irda_startup, 580 .shutdown = spitz_irda_shutdown, 581 }; 582 583 584 /* 585 * Spitz PXA Framebuffer 586 */ 587 588 static struct pxafb_mode_info spitz_pxafb_modes[] = { 589 { 590 .pixclock = 19231, 591 .xres = 480, 592 .yres = 640, 593 .bpp = 16, 594 .hsync_len = 40, 595 .left_margin = 46, 596 .right_margin = 125, 597 .vsync_len = 3, 598 .upper_margin = 1, 599 .lower_margin = 0, 600 .sync = 0, 601 },{ 602 .pixclock = 134617, 603 .xres = 240, 604 .yres = 320, 605 .bpp = 16, 606 .hsync_len = 20, 607 .left_margin = 20, 608 .right_margin = 46, 609 .vsync_len = 2, 610 .upper_margin = 1, 611 .lower_margin = 0, 612 .sync = 0, 613 }, 614 }; 615 616 static struct pxafb_mach_info spitz_pxafb_info = { 617 .modes = &spitz_pxafb_modes[0], 618 .num_modes = 2, 619 .fixed_modes = 1, 620 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING, 621 }; 622 623 static struct mtd_partition sharpsl_nand_partitions[] = { 624 { 625 .name = "System Area", 626 .offset = 0, 627 .size = 7 * 1024 * 1024, 628 }, 629 { 630 .name = "Root Filesystem", 631 .offset = 7 * 1024 * 1024, 632 }, 633 { 634 .name = "Home Filesystem", 635 .offset = MTDPART_OFS_APPEND, 636 .size = MTDPART_SIZ_FULL, 637 }, 638 }; 639 640 static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; 641 642 static struct nand_bbt_descr sharpsl_bbt = { 643 .options = 0, 644 .offs = 4, 645 .len = 2, 646 .pattern = scan_ff_pattern 647 }; 648 649 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = { 650 .badblock_pattern = &sharpsl_bbt, 651 .partitions = sharpsl_nand_partitions, 652 .nr_partitions = ARRAY_SIZE(sharpsl_nand_partitions), 653 }; 654 655 static struct resource sharpsl_nand_resources[] = { 656 { 657 .start = 0x0C000000, 658 .end = 0x0C000FFF, 659 .flags = IORESOURCE_MEM, 660 }, 661 }; 662 663 static struct platform_device sharpsl_nand_device = { 664 .name = "sharpsl-nand", 665 .id = -1, 666 .resource = sharpsl_nand_resources, 667 .num_resources = ARRAY_SIZE(sharpsl_nand_resources), 668 .dev.platform_data = &sharpsl_nand_platform_data, 669 }; 670 671 672 static struct mtd_partition sharpsl_rom_parts[] = { 673 { 674 .name ="Boot PROM Filesystem", 675 .offset = 0x00140000, 676 .size = MTDPART_SIZ_FULL, 677 }, 678 }; 679 680 static struct physmap_flash_data sharpsl_rom_data = { 681 .width = 2, 682 .nr_parts = ARRAY_SIZE(sharpsl_rom_parts), 683 .parts = sharpsl_rom_parts, 684 }; 685 686 static struct resource sharpsl_rom_resources[] = { 687 { 688 .start = 0x00000000, 689 .end = 0x007fffff, 690 .flags = IORESOURCE_MEM, 691 }, 692 }; 693 694 static struct platform_device sharpsl_rom_device = { 695 .name = "physmap-flash", 696 .id = -1, 697 .resource = sharpsl_rom_resources, 698 .num_resources = ARRAY_SIZE(sharpsl_rom_resources), 699 .dev.platform_data = &sharpsl_rom_data, 700 }; 701 702 static struct platform_device *devices[] __initdata = { 703 &spitzscoop_device, 704 &spitzkbd_device, 705 &spitzled_device, 706 &sharpsl_nand_device, 707 &sharpsl_rom_device, 708 }; 709 710 static void spitz_poweroff(void) 711 { 712 arm_machine_restart('g'); 713 } 714 715 static void spitz_restart(char mode) 716 { 717 /* Bootloader magic for a reboot */ 718 if((MSC0 & 0xffff0000) == 0x7ff00000) 719 MSC0 = (MSC0 & 0xffff) | 0x7ee00000; 720 721 spitz_poweroff(); 722 } 723 724 static void __init common_init(void) 725 { 726 init_gpio_reset(SPITZ_GPIO_ON_RESET, 1); 727 pm_power_off = spitz_poweroff; 728 arm_pm_restart = spitz_restart; 729 730 if (machine_is_spitz()) { 731 sharpsl_nand_partitions[1].size = 5 * 1024 * 1024; 732 } else if (machine_is_akita()) { 733 sharpsl_nand_partitions[1].size = 58 * 1024 * 1024; 734 } else if (machine_is_borzoi()) { 735 sharpsl_nand_partitions[1].size = 32 * 1024 * 1024; 736 } 737 738 PMCR = 0x00; 739 740 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ 741 PCFR |= PCFR_OPDE; 742 743 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config)); 744 745 spitz_init_spi(); 746 747 platform_add_devices(devices, ARRAY_SIZE(devices)); 748 pxa_set_mci_info(&spitz_mci_platform_data); 749 pxa_set_ohci_info(&spitz_ohci_platform_data); 750 pxa_set_ficp_info(&spitz_ficp_platform_data); 751 set_pxa_fb_info(&spitz_pxafb_info); 752 pxa_set_i2c_info(NULL); 753 } 754 755 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI) 756 static void __init spitz_init(void) 757 { 758 platform_scoop_config = &spitz_pcmcia_config; 759 760 common_init(); 761 762 platform_device_register(&spitzscoop2_device); 763 } 764 #endif 765 766 #ifdef CONFIG_MACH_AKITA 767 /* 768 * Akita IO Expander 769 */ 770 static struct pca953x_platform_data akita_ioexp = { 771 .gpio_base = AKITA_IOEXP_GPIO_BASE, 772 }; 773 774 static struct i2c_board_info akita_i2c_board_info[] = { 775 { 776 .type = "max7310", 777 .addr = 0x18, 778 .platform_data = &akita_ioexp, 779 }, 780 }; 781 782 static struct nand_bbt_descr sharpsl_akita_bbt = { 783 .options = 0, 784 .offs = 4, 785 .len = 1, 786 .pattern = scan_ff_pattern 787 }; 788 789 static struct nand_ecclayout akita_oobinfo = { 790 .eccbytes = 24, 791 .eccpos = { 792 0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11, 793 0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23, 794 0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37}, 795 .oobfree = {{0x08, 0x09}} 796 }; 797 798 static void __init akita_init(void) 799 { 800 spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode; 801 802 sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt; 803 sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo; 804 805 /* We just pretend the second element of the array doesn't exist */ 806 spitz_pcmcia_config.num_devs = 1; 807 platform_scoop_config = &spitz_pcmcia_config; 808 809 i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info)); 810 811 common_init(); 812 } 813 #endif 814 815 static void __init fixup_spitz(struct machine_desc *desc, 816 struct tag *tags, char **cmdline, struct meminfo *mi) 817 { 818 sharpsl_save_param(); 819 mi->nr_banks = 1; 820 mi->bank[0].start = 0xa0000000; 821 mi->bank[0].node = 0; 822 mi->bank[0].size = (64*1024*1024); 823 } 824 825 #ifdef CONFIG_MACH_SPITZ 826 MACHINE_START(SPITZ, "SHARP Spitz") 827 .phys_io = 0x40000000, 828 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 829 .fixup = fixup_spitz, 830 .map_io = pxa_map_io, 831 .init_irq = pxa27x_init_irq, 832 .init_machine = spitz_init, 833 .timer = &pxa_timer, 834 MACHINE_END 835 #endif 836 837 #ifdef CONFIG_MACH_BORZOI 838 MACHINE_START(BORZOI, "SHARP Borzoi") 839 .phys_io = 0x40000000, 840 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 841 .fixup = fixup_spitz, 842 .map_io = pxa_map_io, 843 .init_irq = pxa27x_init_irq, 844 .init_machine = spitz_init, 845 .timer = &pxa_timer, 846 MACHINE_END 847 #endif 848 849 #ifdef CONFIG_MACH_AKITA 850 MACHINE_START(AKITA, "SHARP Akita") 851 .phys_io = 0x40000000, 852 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 853 .fixup = fixup_spitz, 854 .map_io = pxa_map_io, 855 .init_irq = pxa27x_init_irq, 856 .init_machine = akita_init, 857 .timer = &pxa_timer, 858 MACHINE_END 859 #endif 860