git.oblomov.eu Git - linux-2.6/blob - arch/arm/mach-pxa/spitz.c

   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/mmc/host.h>
  23 #include <linux/pm.h>
  24 #include <linux/backlight.h>
  25
  26 #include <asm/setup.h>
  27 #include <asm/memory.h>
  28 #include <asm/mach-types.h>
  29 #include <asm/hardware.h>
  30 #include <asm/irq.h>
  31 #include <asm/io.h>
  32 #include <asm/system.h>
  33
  34 #include <asm/mach/arch.h>
  35 #include <asm/mach/map.h>
  36 #include <asm/mach/irq.h>
  37
  38 #include <asm/arch/pxa-regs.h>
  39 #include <asm/arch/pxa2xx-regs.h>
  40 #include <asm/arch/irda.h>
  41 #include <asm/arch/mmc.h>
  42 #include <asm/arch/ohci.h>
  43 #include <asm/arch/udc.h>
  44 #include <asm/arch/pxafb.h>
  45 #include <asm/arch/akita.h>
  46 #include <asm/arch/spitz.h>
  47 #include <asm/arch/sharpsl.h>
  48
  49 #include <asm/mach/sharpsl_param.h>
  50 #include <asm/hardware/scoop.h>
  51
  52 #include "generic.h"
  53 #include "devices.h"
  54 #include "sharpsl.h"
  55
  56 /*
  57  * Spitz SCOOP Device #1
  58  */
  59 static struct resource spitz_scoop_resources[] = {
  60         [0] = {
  61                 .start          = 0x10800000,
  62                 .end            = 0x10800fff,
  63                 .flags          = IORESOURCE_MEM,
  64         },
  65 };
  66
  67 static struct scoop_config spitz_scoop_setup = {
  68         .io_dir         = SPITZ_SCP_IO_DIR,
  69         .io_out         = SPITZ_SCP_IO_OUT,
  70         .suspend_clr = SPITZ_SCP_SUS_CLR,
  71         .suspend_set = SPITZ_SCP_SUS_SET,
  72 };
  73
  74 struct platform_device spitzscoop_device = {
  75         .name           = "sharp-scoop",
  76         .id             = 0,
  77         .dev            = {
  78                 .platform_data  = &spitz_scoop_setup,
  79         },
  80         .num_resources  = ARRAY_SIZE(spitz_scoop_resources),
  81         .resource       = spitz_scoop_resources,
  82 };
  83
  84 /*
  85  * Spitz SCOOP Device #2
  86  */
  87 static struct resource spitz_scoop2_resources[] = {
  88         [0] = {
  89                 .start          = 0x08800040,
  90                 .end            = 0x08800fff,
  91                 .flags          = IORESOURCE_MEM,
  92         },
  93 };
  94
  95 static struct scoop_config spitz_scoop2_setup = {
  96         .io_dir         = SPITZ_SCP2_IO_DIR,
  97         .io_out         = SPITZ_SCP2_IO_OUT,
  98         .suspend_clr = SPITZ_SCP2_SUS_CLR,
  99         .suspend_set = SPITZ_SCP2_SUS_SET,
 100 };
 101
 102 struct platform_device spitzscoop2_device = {
 103         .name           = "sharp-scoop",
 104         .id             = 1,
 105         .dev            = {
 106                 .platform_data  = &spitz_scoop2_setup,
 107         },
 108         .num_resources  = ARRAY_SIZE(spitz_scoop2_resources),
 109         .resource       = spitz_scoop2_resources,
 110 };
 111
 112 #define SPITZ_PWR_SD 0x01
 113 #define SPITZ_PWR_CF 0x02
 114
 115 /* Power control is shared with between one of the CF slots and SD */
 116 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
 117 {
 118         unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
 119
 120         if (new_cpr & 0x0007) {
 121                 set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
 122                 if (!(cpr & 0x0002) && !(cpr & 0x0004))
 123                         mdelay(5);
 124                 if (device == SPITZ_PWR_CF)
 125                         cpr |= 0x0002;
 126                 if (device == SPITZ_PWR_SD)
 127                         cpr |= 0x0004;
 128                 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 129         } else {
 130                 if (device == SPITZ_PWR_CF)
 131                         cpr &= ~0x0002;
 132                 if (device == SPITZ_PWR_SD)
 133                         cpr &= ~0x0004;
 134                 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
 135                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
 136                         mdelay(1);
 137                         reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
 138                 } else {
 139                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 140                 }
 141         }
 142 }
 143
 144 static void spitz_pcmcia_init(void)
 145 {
 146         /* Setup default state of GPIO outputs
 147            before we enable them as outputs. */
 148         GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
 149                 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
 150                 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO54_nPCE_2);
 151         GPSR(GPIO85_nPCE_1) = GPIO_bit(GPIO85_nPCE_1);
 152
 153         pxa_gpio_mode(GPIO48_nPOE_MD);
 154         pxa_gpio_mode(GPIO49_nPWE_MD);
 155         pxa_gpio_mode(GPIO50_nPIOR_MD);
 156         pxa_gpio_mode(GPIO51_nPIOW_MD);
 157         pxa_gpio_mode(GPIO55_nPREG_MD);
 158         pxa_gpio_mode(GPIO56_nPWAIT_MD);
 159         pxa_gpio_mode(GPIO57_nIOIS16_MD);
 160         pxa_gpio_mode(GPIO85_nPCE_1_MD);
 161         pxa_gpio_mode(GPIO54_nPCE_2_MD);
 162         pxa_gpio_mode(GPIO104_pSKTSEL_MD);
 163 }
 164
 165 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
 166 {
 167         /* Only need to override behaviour for slot 0 */
 168         if (nr == 0)
 169                 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
 170         else
 171                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
 172 }
 173
 174 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 175 {
 176         .dev        = &spitzscoop_device.dev,
 177         .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
 178         .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
 179         .cd_irq_str = "PCMCIA0 CD",
 180 },{
 181         .dev        = &spitzscoop2_device.dev,
 182         .irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
 183         .cd_irq     = -1,
 184 },
 185 };
 186
 187 static struct scoop_pcmcia_config spitz_pcmcia_config = {
 188         .devs         = &spitz_pcmcia_scoop[0],
 189         .num_devs     = 2,
 190         .pcmcia_init  = spitz_pcmcia_init,
 191         .power_ctrl   = spitz_pcmcia_pwr,
 192 };
 193
 194 EXPORT_SYMBOL(spitzscoop_device);
 195 EXPORT_SYMBOL(spitzscoop2_device);
 196
 197
 198 /*
 199  * Spitz SSP Device
 200  *
 201  * Set the parent as the scoop device because a lot of SSP devices
 202  * also use scoop functions and this makes the power up/down order
 203  * work correctly.
 204  */
 205 struct platform_device spitzssp_device = {
 206         .name           = "corgi-ssp",
 207         .dev            = {
 208                 .parent = &spitzscoop_device.dev,
 209         },
 210         .id             = -1,
 211 };
 212
 213 struct corgissp_machinfo spitz_ssp_machinfo = {
 214         .port           = 2,
 215         .cs_lcdcon      = SPITZ_GPIO_LCDCON_CS,
 216         .cs_ads7846     = SPITZ_GPIO_ADS7846_CS,
 217         .cs_max1111     = SPITZ_GPIO_MAX1111_CS,
 218         .clk_lcdcon     = 520,
 219         .clk_ads7846    = 14,
 220         .clk_max1111    = 56,
 221 };
 222
 223
 224 /*
 225  * Spitz Backlight Device
 226  */
 227 static void spitz_bl_kick_battery(void)
 228 {
 229         void (*kick_batt)(void);
 230
 231         kick_batt = symbol_get(sharpsl_battery_kick);
 232         if (kick_batt) {
 233                 kick_batt();
 234                 symbol_put(sharpsl_battery_kick);
 235         }
 236 }
 237
 238 static struct generic_bl_info spitz_bl_machinfo = {
 239         .name = "corgi-bl",
 240         .default_intensity = 0x1f,
 241         .limit_mask = 0x0b,
 242         .max_intensity = 0x2f,
 243         .kick_battery = spitz_bl_kick_battery,
 244 };
 245
 246 static struct platform_device spitzbl_device = {
 247         .name           = "generic-bl",
 248         .dev            = {
 249                 .platform_data  = &spitz_bl_machinfo,
 250         },
 251         .id             = -1,
 252 };
 253
 254
 255 /*
 256  * Spitz Keyboard Device
 257  */
 258 static struct platform_device spitzkbd_device = {
 259         .name           = "spitz-keyboard",
 260         .id             = -1,
 261 };
 262
 263
 264 /*
 265  * Spitz LEDs
 266  */
 267 static struct platform_device spitzled_device = {
 268         .name           = "spitz-led",
 269         .id             = -1,
 270 };
 271
 272 /*
 273  * Spitz Touch Screen Device
 274  */
 275
 276 static unsigned long (*get_hsync_invperiod)(struct device *dev);
 277
 278 static void inline sharpsl_wait_sync(int gpio)
 279 {
 280         while((GPLR(gpio) & GPIO_bit(gpio)) == 0);
 281         while((GPLR(gpio) & GPIO_bit(gpio)) != 0);
 282 }
 283
 284 static struct device *spitz_pxafb_dev;
 285
 286 static int is_pxafb_device(struct device * dev, void * data)
 287 {
 288         struct platform_device *pdev = container_of(dev, struct platform_device, dev);
 289
 290         return (strncmp(pdev->name, "pxa2xx-fb", 9) == 0);
 291 }
 292
 293 static unsigned long spitz_get_hsync_invperiod(void)
 294 {
 295 #ifdef CONFIG_FB_PXA
 296         if (!spitz_pxafb_dev) {
 297                 spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device);
 298                 if (!spitz_pxafb_dev)
 299                         return 0;
 300         }
 301         if (!get_hsync_invperiod)
 302                 get_hsync_invperiod = symbol_get(pxafb_get_hsync_time);
 303         if (!get_hsync_invperiod)
 304 #endif
 305                 return 0;
 306
 307         return get_hsync_invperiod(spitz_pxafb_dev);
 308 }
 309
 310 static void spitz_put_hsync(void)
 311 {
 312         put_device(spitz_pxafb_dev);
 313         if (get_hsync_invperiod)
 314                 symbol_put(pxafb_get_hsync_time);
 315         spitz_pxafb_dev = NULL;
 316         get_hsync_invperiod = NULL;
 317 }
 318
 319 static void spitz_wait_hsync(void)
 320 {
 321         sharpsl_wait_sync(SPITZ_GPIO_HSYNC);
 322 }
 323
 324 static struct resource spitzts_resources[] = {
 325         [0] = {
 326                 .start          = SPITZ_IRQ_GPIO_TP_INT,
 327                 .end            = SPITZ_IRQ_GPIO_TP_INT,
 328                 .flags          = IORESOURCE_IRQ,
 329         },
 330 };
 331
 332 static struct corgits_machinfo  spitz_ts_machinfo = {
 333         .get_hsync_invperiod = spitz_get_hsync_invperiod,
 334         .put_hsync           = spitz_put_hsync,
 335         .wait_hsync          = spitz_wait_hsync,
 336 };
 337
 338 static struct platform_device spitzts_device = {
 339         .name           = "corgi-ts",
 340         .dev            = {
 341                 .parent = &spitzssp_device.dev,
 342                 .platform_data  = &spitz_ts_machinfo,
 343         },
 344         .id             = -1,
 345         .num_resources  = ARRAY_SIZE(spitzts_resources),
 346         .resource       = spitzts_resources,
 347 };
 348
 349
 350 /*
 351  * MMC/SD Device
 352  *
 353  * The card detect interrupt isn't debounced so we delay it by 250ms
 354  * to give the card a chance to fully insert/eject.
 355  */
 356
 357 static struct pxamci_platform_data spitz_mci_platform_data;
 358
 359 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data)
 360 {
 361         int err;
 362
 363         /* setup GPIO for PXA27x MMC controller */
 364         pxa_gpio_mode(GPIO32_MMCCLK_MD);
 365         pxa_gpio_mode(GPIO112_MMCCMD_MD);
 366         pxa_gpio_mode(GPIO92_MMCDAT0_MD);
 367         pxa_gpio_mode(GPIO109_MMCDAT1_MD);
 368         pxa_gpio_mode(GPIO110_MMCDAT2_MD);
 369         pxa_gpio_mode(GPIO111_MMCDAT3_MD);
 370         pxa_gpio_mode(SPITZ_GPIO_nSD_DETECT | GPIO_IN);
 371         pxa_gpio_mode(SPITZ_GPIO_nSD_WP | GPIO_IN);
 372
 373         spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 374
 375         err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
 376                           IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 377                           "MMC card detect", data);
 378         if (err)
 379                 printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 380
 381         return err;
 382 }
 383
 384 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
 385 {
 386         struct pxamci_platform_data* p_d = dev->platform_data;
 387
 388         if (( 1 << vdd) & p_d->ocr_mask)
 389                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
 390         else
 391                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
 392 }
 393
 394 static int spitz_mci_get_ro(struct device *dev)
 395 {
 396         return GPLR(SPITZ_GPIO_nSD_WP) & GPIO_bit(SPITZ_GPIO_nSD_WP);
 397 }
 398
 399 static void spitz_mci_exit(struct device *dev, void *data)
 400 {
 401         free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
 402 }
 403
 404 static struct pxamci_platform_data spitz_mci_platform_data = {
 405         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 406         .init           = spitz_mci_init,
 407         .get_ro         = spitz_mci_get_ro,
 408         .setpower       = spitz_mci_setpower,
 409         .exit           = spitz_mci_exit,
 410 };
 411
 412
 413 /*
 414  * USB Host (OHCI)
 415  */
 416 static int spitz_ohci_init(struct device *dev)
 417 {
 418         /* Only Port 2 is connected */
 419         pxa_gpio_mode(SPITZ_GPIO_USB_CONNECT | GPIO_IN);
 420         pxa_gpio_mode(SPITZ_GPIO_USB_HOST | GPIO_OUT);
 421         pxa_gpio_mode(SPITZ_GPIO_USB_DEVICE | GPIO_IN);
 422
 423         /* Setup USB Port 2 Output Control Register */
 424         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 425
 426         GPSR(SPITZ_GPIO_USB_HOST) = GPIO_bit(SPITZ_GPIO_USB_HOST);
 427
 428         UHCHR = (UHCHR) &
 429                 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
 430
 431         UHCRHDA |= UHCRHDA_NOCP;
 432
 433         return 0;
 434 }
 435
 436 static struct pxaohci_platform_data spitz_ohci_platform_data = {
 437         .port_mode      = PMM_NPS_MODE,
 438         .init           = spitz_ohci_init,
 439         .power_budget   = 150,
 440 };
 441
 442
 443 /*
 444  * Irda
 445  */
 446 static void spitz_irda_transceiver_mode(struct device *dev, int mode)
 447 {
 448         if (mode & IR_OFF)
 449                 set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
 450         else
 451                 reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
 452 }
 453
 454 #ifdef CONFIG_MACH_AKITA
 455 static void akita_irda_transceiver_mode(struct device *dev, int mode)
 456 {
 457         if (mode & IR_OFF)
 458                 akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
 459         else
 460                 akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
 461 }
 462 #endif
 463
 464 static struct pxaficp_platform_data spitz_ficp_platform_data = {
 465         .transceiver_cap  = IR_SIRMODE | IR_OFF,
 466         .transceiver_mode = spitz_irda_transceiver_mode,
 467 };
 468
 469
 470 /*
 471  * Spitz PXA Framebuffer
 472  */
 473
 474 static void spitz_lcd_power(int on, struct fb_var_screeninfo *var)
 475 {
 476         if (on)
 477                 corgi_lcdtg_hw_init(var->xres);
 478         else
 479                 corgi_lcdtg_suspend();
 480 }
 481
 482 static struct pxafb_mode_info spitz_pxafb_modes[] = {
 483 {
 484         .pixclock       = 19231,
 485         .xres           = 480,
 486         .yres           = 640,
 487         .bpp            = 16,
 488         .hsync_len      = 40,
 489         .left_margin    = 46,
 490         .right_margin   = 125,
 491         .vsync_len      = 3,
 492         .upper_margin   = 1,
 493         .lower_margin   = 0,
 494         .sync           = 0,
 495 },{
 496         .pixclock       = 134617,
 497         .xres           = 240,
 498         .yres           = 320,
 499         .bpp            = 16,
 500         .hsync_len      = 20,
 501         .left_margin    = 20,
 502         .right_margin   = 46,
 503         .vsync_len      = 2,
 504         .upper_margin   = 1,
 505         .lower_margin   = 0,
 506         .sync           = 0,
 507 },
 508 };
 509
 510 static struct pxafb_mach_info spitz_pxafb_info = {
 511         .modes          = &spitz_pxafb_modes[0],
 512         .num_modes      = 2,
 513         .fixed_modes    = 1,
 514         .lccr0          = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM,
 515         .lccr3          = LCCR3_PixRsEdg | LCCR3_OutEnH,
 516         .pxafb_lcd_power = spitz_lcd_power,
 517 };
 518
 519
 520 static struct platform_device *devices[] __initdata = {
 521         &spitzscoop_device,
 522         &spitzssp_device,
 523         &spitzkbd_device,
 524         &spitzts_device,
 525         &spitzbl_device,
 526         &spitzled_device,
 527 };
 528
 529 static void spitz_poweroff(void)
 530 {
 531         RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
 532
 533         pxa_gpio_mode(SPITZ_GPIO_ON_RESET | GPIO_OUT);
 534         GPSR(SPITZ_GPIO_ON_RESET) = GPIO_bit(SPITZ_GPIO_ON_RESET);
 535
 536         mdelay(1000);
 537         arm_machine_restart('h');
 538 }
 539
 540 static void spitz_restart(char mode)
 541 {
 542         /* Bootloader magic for a reboot */
 543         if((MSC0 & 0xffff0000) == 0x7ff00000)
 544                 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
 545
 546         spitz_poweroff();
 547 }
 548
 549 static void __init common_init(void)
 550 {
 551         pm_power_off = spitz_poweroff;
 552         arm_pm_restart = spitz_restart;
 553
 554         PMCR = 0x00;
 555
 556         /* setup sleep mode values */
 557         PWER  = 0x00000002;
 558         PFER  = 0x00000000;
 559         PRER  = 0x00000002;
 560         PGSR0 = 0x0158C000;
 561         PGSR1 = 0x00FF0080;
 562         PGSR2 = 0x0001C004;
 563
 564         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 565         PCFR |= PCFR_OPDE;
 566
 567         corgi_ssp_set_machinfo(&spitz_ssp_machinfo);
 568
 569         pxa_gpio_mode(SPITZ_GPIO_HSYNC | GPIO_IN);
 570
 571         platform_add_devices(devices, ARRAY_SIZE(devices));
 572         pxa_set_mci_info(&spitz_mci_platform_data);
 573         pxa_set_ohci_info(&spitz_ohci_platform_data);
 574         pxa_set_ficp_info(&spitz_ficp_platform_data);
 575         set_pxa_fb_parent(&spitzssp_device.dev);
 576         set_pxa_fb_info(&spitz_pxafb_info);
 577 }
 578
 579 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
 580 static void spitz_bl_set_intensity(int intensity)
 581 {
 582         if (intensity > 0x10)
 583                 intensity += 0x10;
 584
 585         /* Bits 0-4 are accessed via the SSP interface */
 586         corgi_ssp_blduty_set(intensity & 0x1f);
 587
 588         /* Bit 5 is via SCOOP */
 589         if (intensity & 0x0020)
 590                 reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
 591         else
 592                 set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
 593
 594         if (intensity)
 595                 set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
 596         else
 597                 reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
 598 }
 599
 600 static void __init spitz_init(void)
 601 {
 602         platform_scoop_config = &spitz_pcmcia_config;
 603
 604         spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity;
 605
 606         common_init();
 607
 608         platform_device_register(&spitzscoop2_device);
 609 }
 610 #endif
 611
 612 #ifdef CONFIG_MACH_AKITA
 613 /*
 614  * Akita IO Expander
 615  */
 616 struct platform_device akitaioexp_device = {
 617         .name           = "akita-ioexp",
 618         .id             = -1,
 619 };
 620
 621 EXPORT_SYMBOL_GPL(akitaioexp_device);
 622
 623 static void akita_bl_set_intensity(int intensity)
 624 {
 625         if (intensity > 0x10)
 626                 intensity += 0x10;
 627
 628         /* Bits 0-4 are accessed via the SSP interface */
 629         corgi_ssp_blduty_set(intensity & 0x1f);
 630
 631         /* Bit 5 is via IO-Expander */
 632         if (intensity & 0x0020)
 633                 akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT);
 634         else
 635                 akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT);
 636
 637         if (intensity)
 638                 akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON);
 639         else
 640                 akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON);
 641 }
 642
 643 static void __init akita_init(void)
 644 {
 645         spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
 646
 647         /* We just pretend the second element of the array doesn't exist */
 648         spitz_pcmcia_config.num_devs = 1;
 649         platform_scoop_config = &spitz_pcmcia_config;
 650         spitz_bl_machinfo.set_bl_intensity = akita_bl_set_intensity;
 651
 652         platform_device_register(&akitaioexp_device);
 653
 654         spitzscoop_device.dev.parent = &akitaioexp_device.dev;
 655         common_init();
 656 }
 657 #endif
 658
 659 static void __init fixup_spitz(struct machine_desc *desc,
 660                 struct tag *tags, char **cmdline, struct meminfo *mi)
 661 {
 662         sharpsl_save_param();
 663         mi->nr_banks = 1;
 664         mi->bank[0].start = 0xa0000000;
 665         mi->bank[0].node = 0;
 666         mi->bank[0].size = (64*1024*1024);
 667 }
 668
 669 #ifdef CONFIG_MACH_SPITZ
 670 MACHINE_START(SPITZ, "SHARP Spitz")
 671         .phys_io        = 0x40000000,
 672         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 673         .fixup          = fixup_spitz,
 674         .map_io         = pxa_map_io,
 675         .init_irq       = pxa27x_init_irq,
 676         .init_machine   = spitz_init,
 677         .timer          = &pxa_timer,
 678 MACHINE_END
 679 #endif
 680
 681 #ifdef CONFIG_MACH_BORZOI
 682 MACHINE_START(BORZOI, "SHARP Borzoi")
 683         .phys_io        = 0x40000000,
 684         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 685         .fixup          = fixup_spitz,
 686         .map_io         = pxa_map_io,
 687         .init_irq       = pxa27x_init_irq,
 688         .init_machine   = spitz_init,
 689         .timer          = &pxa_timer,
 690 MACHINE_END
 691 #endif
 692
 693 #ifdef CONFIG_MACH_AKITA
 694 MACHINE_START(AKITA, "SHARP Akita")
 695         .phys_io        = 0x40000000,
 696         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 697         .fixup          = fixup_spitz,
 698         .map_io         = pxa_map_io,
 699         .init_irq       = pxa27x_init_irq,
 700         .init_machine   = akita_init,
 701         .timer          = &pxa_timer,
 702 MACHINE_END
 703 #endif