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