SAFE public projects git trees. - safe/jmp/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 <mach/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 <mach/pxa-regs.h>
  39 #include <mach/pxa2xx-regs.h>
  40 #include <mach/pxa2xx-gpio.h>
  41 #include <mach/pxa27x-udc.h>
  42 #include <mach/reset.h>
  43 #include <mach/i2c.h>
  44 #include <mach/irda.h>
  45 #include <mach/mmc.h>
  46 #include <mach/ohci.h>
  47 #include <mach/udc.h>
  48 #include <mach/pxafb.h>
  49 #include <mach/akita.h>
  50 #include <mach/spitz.h>
  51 #include <mach/sharpsl.h>
  52
  53 #include <asm/mach/sharpsl_param.h>
  54 #include <asm/hardware/scoop.h>
  55
  56 #include "generic.h"
  57 #include "devices.h"
  58 #include "sharpsl.h"
  59
  60 /*
  61  * Spitz SCOOP Device #1
  62  */
  63 static struct resource spitz_scoop_resources[] = {
  64         [0] = {
  65                 .start          = 0x10800000,
  66                 .end            = 0x10800fff,
  67                 .flags          = IORESOURCE_MEM,
  68         },
  69 };
  70
  71 static struct scoop_config spitz_scoop_setup = {
  72         .io_dir         = SPITZ_SCP_IO_DIR,
  73         .io_out         = SPITZ_SCP_IO_OUT,
  74         .suspend_clr = SPITZ_SCP_SUS_CLR,
  75         .suspend_set = SPITZ_SCP_SUS_SET,
  76 };
  77
  78 struct platform_device spitzscoop_device = {
  79         .name           = "sharp-scoop",
  80         .id             = 0,
  81         .dev            = {
  82                 .platform_data  = &spitz_scoop_setup,
  83         },
  84         .num_resources  = ARRAY_SIZE(spitz_scoop_resources),
  85         .resource       = spitz_scoop_resources,
  86 };
  87
  88 /*
  89  * Spitz SCOOP Device #2
  90  */
  91 static struct resource spitz_scoop2_resources[] = {
  92         [0] = {
  93                 .start          = 0x08800040,
  94                 .end            = 0x08800fff,
  95                 .flags          = IORESOURCE_MEM,
  96         },
  97 };
  98
  99 static struct scoop_config spitz_scoop2_setup = {
 100         .io_dir         = SPITZ_SCP2_IO_DIR,
 101         .io_out         = SPITZ_SCP2_IO_OUT,
 102         .suspend_clr = SPITZ_SCP2_SUS_CLR,
 103         .suspend_set = SPITZ_SCP2_SUS_SET,
 104 };
 105
 106 struct platform_device spitzscoop2_device = {
 107         .name           = "sharp-scoop",
 108         .id             = 1,
 109         .dev            = {
 110                 .platform_data  = &spitz_scoop2_setup,
 111         },
 112         .num_resources  = ARRAY_SIZE(spitz_scoop2_resources),
 113         .resource       = spitz_scoop2_resources,
 114 };
 115
 116 #define SPITZ_PWR_SD 0x01
 117 #define SPITZ_PWR_CF 0x02
 118
 119 /* Power control is shared with between one of the CF slots and SD */
 120 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
 121 {
 122         unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
 123
 124         if (new_cpr & 0x0007) {
 125                 set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
 126                 if (!(cpr & 0x0002) && !(cpr & 0x0004))
 127                         mdelay(5);
 128                 if (device == SPITZ_PWR_CF)
 129                         cpr |= 0x0002;
 130                 if (device == SPITZ_PWR_SD)
 131                         cpr |= 0x0004;
 132                 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 133         } else {
 134                 if (device == SPITZ_PWR_CF)
 135                         cpr &= ~0x0002;
 136                 if (device == SPITZ_PWR_SD)
 137                         cpr &= ~0x0004;
 138                 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
 139                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
 140                         mdelay(1);
 141                         reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
 142                 } else {
 143                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 144                 }
 145         }
 146 }
 147
 148 static void spitz_pcmcia_init(void)
 149 {
 150         /* Setup default state of GPIO outputs
 151            before we enable them as outputs. */
 152         GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
 153                 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
 154                 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO54_nPCE_2);
 155         GPSR(GPIO85_nPCE_1) = GPIO_bit(GPIO85_nPCE_1);
 156
 157         pxa_gpio_mode(GPIO48_nPOE_MD);
 158         pxa_gpio_mode(GPIO49_nPWE_MD);
 159         pxa_gpio_mode(GPIO50_nPIOR_MD);
 160         pxa_gpio_mode(GPIO51_nPIOW_MD);
 161         pxa_gpio_mode(GPIO55_nPREG_MD);
 162         pxa_gpio_mode(GPIO56_nPWAIT_MD);
 163         pxa_gpio_mode(GPIO57_nIOIS16_MD);
 164         pxa_gpio_mode(GPIO85_nPCE_1_MD);
 165         pxa_gpio_mode(GPIO54_nPCE_2_MD);
 166         pxa_gpio_mode(GPIO104_pSKTSEL_MD);
 167 }
 168
 169 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
 170 {
 171         /* Only need to override behaviour for slot 0 */
 172         if (nr == 0)
 173                 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
 174         else
 175                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
 176 }
 177
 178 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 179 {
 180         .dev        = &spitzscoop_device.dev,
 181         .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
 182         .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
 183         .cd_irq_str = "PCMCIA0 CD",
 184 },{
 185         .dev        = &spitzscoop2_device.dev,
 186         .irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
 187         .cd_irq     = -1,
 188 },
 189 };
 190
 191 static struct scoop_pcmcia_config spitz_pcmcia_config = {
 192         .devs         = &spitz_pcmcia_scoop[0],
 193         .num_devs     = 2,
 194         .pcmcia_init  = spitz_pcmcia_init,
 195         .power_ctrl   = spitz_pcmcia_pwr,
 196 };
 197
 198 EXPORT_SYMBOL(spitzscoop_device);
 199 EXPORT_SYMBOL(spitzscoop2_device);
 200
 201
 202 /*
 203  * Spitz SSP Device
 204  *
 205  * Set the parent as the scoop device because a lot of SSP devices
 206  * also use scoop functions and this makes the power up/down order
 207  * work correctly.
 208  */
 209 struct platform_device spitzssp_device = {
 210         .name           = "corgi-ssp",
 211         .dev            = {
 212                 .parent = &spitzscoop_device.dev,
 213         },
 214         .id             = -1,
 215 };
 216
 217 struct corgissp_machinfo spitz_ssp_machinfo = {
 218         .port           = 2,
 219         .cs_lcdcon      = SPITZ_GPIO_LCDCON_CS,
 220         .cs_ads7846     = SPITZ_GPIO_ADS7846_CS,
 221         .cs_max1111     = SPITZ_GPIO_MAX1111_CS,
 222         .clk_lcdcon     = 520,
 223         .clk_ads7846    = 14,
 224         .clk_max1111    = 56,
 225 };
 226
 227
 228 /*
 229  * Spitz Backlight Device
 230  */
 231 static void spitz_bl_kick_battery(void)
 232 {
 233         void (*kick_batt)(void);
 234
 235         kick_batt = symbol_get(sharpsl_battery_kick);
 236         if (kick_batt) {
 237                 kick_batt();
 238                 symbol_put(sharpsl_battery_kick);
 239         }
 240 }
 241
 242 static struct generic_bl_info spitz_bl_machinfo = {
 243         .name = "corgi-bl",
 244         .default_intensity = 0x1f,
 245         .limit_mask = 0x0b,
 246         .max_intensity = 0x2f,
 247         .kick_battery = spitz_bl_kick_battery,
 248 };
 249
 250 static struct platform_device spitzbl_device = {
 251         .name           = "generic-bl",
 252         .dev            = {
 253                 .platform_data  = &spitz_bl_machinfo,
 254         },
 255         .id             = -1,
 256 };
 257
 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 platform_device spitzled_device = {
 272         .name           = "spitz-led",
 273         .id             = -1,
 274 };
 275
 276 /*
 277  * Spitz Touch Screen Device
 278  */
 279
 280 static unsigned long (*get_hsync_invperiod)(struct device *dev);
 281
 282 static void inline sharpsl_wait_sync(int gpio)
 283 {
 284         while((GPLR(gpio) & GPIO_bit(gpio)) == 0);
 285         while((GPLR(gpio) & GPIO_bit(gpio)) != 0);
 286 }
 287
 288 static struct device *spitz_pxafb_dev;
 289
 290 static int is_pxafb_device(struct device * dev, void * data)
 291 {
 292         struct platform_device *pdev = container_of(dev, struct platform_device, dev);
 293
 294         return (strncmp(pdev->name, "pxa2xx-fb", 9) == 0);
 295 }
 296
 297 static unsigned long spitz_get_hsync_invperiod(void)
 298 {
 299 #ifdef CONFIG_FB_PXA
 300         if (!spitz_pxafb_dev) {
 301                 spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device);
 302                 if (!spitz_pxafb_dev)
 303                         return 0;
 304         }
 305         if (!get_hsync_invperiod)
 306                 get_hsync_invperiod = symbol_get(pxafb_get_hsync_time);
 307         if (!get_hsync_invperiod)
 308 #endif
 309                 return 0;
 310
 311         return get_hsync_invperiod(spitz_pxafb_dev);
 312 }
 313
 314 static void spitz_put_hsync(void)
 315 {
 316         put_device(spitz_pxafb_dev);
 317         if (get_hsync_invperiod)
 318                 symbol_put(pxafb_get_hsync_time);
 319         spitz_pxafb_dev = NULL;
 320         get_hsync_invperiod = NULL;
 321 }
 322
 323 static void spitz_wait_hsync(void)
 324 {
 325         sharpsl_wait_sync(SPITZ_GPIO_HSYNC);
 326 }
 327
 328 static struct resource spitzts_resources[] = {
 329         [0] = {
 330                 .start          = SPITZ_IRQ_GPIO_TP_INT,
 331                 .end            = SPITZ_IRQ_GPIO_TP_INT,
 332                 .flags          = IORESOURCE_IRQ,
 333         },
 334 };
 335
 336 static struct corgits_machinfo  spitz_ts_machinfo = {
 337         .get_hsync_invperiod = spitz_get_hsync_invperiod,
 338         .put_hsync           = spitz_put_hsync,
 339         .wait_hsync          = spitz_wait_hsync,
 340 };
 341
 342 static struct platform_device spitzts_device = {
 343         .name           = "corgi-ts",
 344         .dev            = {
 345                 .parent = &spitzssp_device.dev,
 346                 .platform_data  = &spitz_ts_machinfo,
 347         },
 348         .id             = -1,
 349         .num_resources  = ARRAY_SIZE(spitzts_resources),
 350         .resource       = spitzts_resources,
 351 };
 352
 353
 354 /*
 355  * MMC/SD Device
 356  *
 357  * The card detect interrupt isn't debounced so we delay it by 250ms
 358  * to give the card a chance to fully insert/eject.
 359  */
 360
 361 static struct pxamci_platform_data spitz_mci_platform_data;
 362
 363 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data)
 364 {
 365         int err;
 366
 367         /* setup GPIO for PXA27x MMC controller */
 368         pxa_gpio_mode(GPIO32_MMCCLK_MD);
 369         pxa_gpio_mode(GPIO112_MMCCMD_MD);
 370         pxa_gpio_mode(GPIO92_MMCDAT0_MD);
 371         pxa_gpio_mode(GPIO109_MMCDAT1_MD);
 372         pxa_gpio_mode(GPIO110_MMCDAT2_MD);
 373         pxa_gpio_mode(GPIO111_MMCDAT3_MD);
 374         pxa_gpio_mode(SPITZ_GPIO_nSD_DETECT | GPIO_IN);
 375         pxa_gpio_mode(SPITZ_GPIO_nSD_WP | GPIO_IN);
 376
 377         spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 378
 379         err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
 380                           IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 381                           "MMC card detect", data);
 382         if (err)
 383                 printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 384
 385         return err;
 386 }
 387
 388 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
 389 {
 390         struct pxamci_platform_data* p_d = dev->platform_data;
 391
 392         if (( 1 << vdd) & p_d->ocr_mask)
 393                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
 394         else
 395                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
 396 }
 397
 398 static int spitz_mci_get_ro(struct device *dev)
 399 {
 400         return GPLR(SPITZ_GPIO_nSD_WP) & GPIO_bit(SPITZ_GPIO_nSD_WP);
 401 }
 402
 403 static void spitz_mci_exit(struct device *dev, void *data)
 404 {
 405         free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
 406 }
 407
 408 static struct pxamci_platform_data spitz_mci_platform_data = {
 409         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 410         .init           = spitz_mci_init,
 411         .get_ro         = spitz_mci_get_ro,
 412         .setpower       = spitz_mci_setpower,
 413         .exit           = spitz_mci_exit,
 414 };
 415
 416
 417 /*
 418  * USB Host (OHCI)
 419  */
 420 static int spitz_ohci_init(struct device *dev)
 421 {
 422         /* Only Port 2 is connected */
 423         pxa_gpio_mode(SPITZ_GPIO_USB_CONNECT | GPIO_IN);
 424         pxa_gpio_mode(SPITZ_GPIO_USB_HOST | GPIO_OUT);
 425         pxa_gpio_mode(SPITZ_GPIO_USB_DEVICE | GPIO_IN);
 426
 427         /* Setup USB Port 2 Output Control Register */
 428         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 429
 430         GPSR(SPITZ_GPIO_USB_HOST) = GPIO_bit(SPITZ_GPIO_USB_HOST);
 431
 432         UHCHR = (UHCHR) &
 433                 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
 434
 435         UHCRHDA |= UHCRHDA_NOCP;
 436
 437         return 0;
 438 }
 439
 440 static struct pxaohci_platform_data spitz_ohci_platform_data = {
 441         .port_mode      = PMM_NPS_MODE,
 442         .init           = spitz_ohci_init,
 443         .power_budget   = 150,
 444 };
 445
 446
 447 /*
 448  * Irda
 449  */
 450 static void spitz_irda_transceiver_mode(struct device *dev, int mode)
 451 {
 452         if (mode & IR_OFF)
 453                 set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
 454         else
 455                 reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
 456         pxa2xx_transceiver_mode(dev, mode);
 457 }
 458
 459 #ifdef CONFIG_MACH_AKITA
 460 static void akita_irda_transceiver_mode(struct device *dev, int mode)
 461 {
 462         if (mode & IR_OFF)
 463                 akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
 464         else
 465                 akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
 466         pxa2xx_transceiver_mode(dev, mode);
 467 }
 468 #endif
 469
 470 static struct pxaficp_platform_data spitz_ficp_platform_data = {
 471         .transceiver_cap  = IR_SIRMODE | IR_OFF,
 472         .transceiver_mode = spitz_irda_transceiver_mode,
 473 };
 474
 475
 476 /*
 477  * Spitz PXA Framebuffer
 478  */
 479
 480 static void spitz_lcd_power(int on, struct fb_var_screeninfo *var)
 481 {
 482         if (on)
 483                 corgi_lcdtg_hw_init(var->xres);
 484         else
 485                 corgi_lcdtg_suspend();
 486 }
 487
 488 static struct pxafb_mode_info spitz_pxafb_modes[] = {
 489 {
 490         .pixclock       = 19231,
 491         .xres           = 480,
 492         .yres           = 640,
 493         .bpp            = 16,
 494         .hsync_len      = 40,
 495         .left_margin    = 46,
 496         .right_margin   = 125,
 497         .vsync_len      = 3,
 498         .upper_margin   = 1,
 499         .lower_margin   = 0,
 500         .sync           = 0,
 501 },{
 502         .pixclock       = 134617,
 503         .xres           = 240,
 504         .yres           = 320,
 505         .bpp            = 16,
 506         .hsync_len      = 20,
 507         .left_margin    = 20,
 508         .right_margin   = 46,
 509         .vsync_len      = 2,
 510         .upper_margin   = 1,
 511         .lower_margin   = 0,
 512         .sync           = 0,
 513 },
 514 };
 515
 516 static struct pxafb_mach_info spitz_pxafb_info = {
 517         .modes          = &spitz_pxafb_modes[0],
 518         .num_modes      = 2,
 519         .fixed_modes    = 1,
 520         .lccr0          = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM,
 521         .lccr3          = LCCR3_PixRsEdg | LCCR3_OutEnH,
 522         .pxafb_lcd_power = spitz_lcd_power,
 523 };
 524
 525
 526 static struct platform_device *devices[] __initdata = {
 527         &spitzscoop_device,
 528         &spitzssp_device,
 529         &spitzkbd_device,
 530         &spitzts_device,
 531         &spitzbl_device,
 532         &spitzled_device,
 533 };
 534
 535 static void spitz_poweroff(void)
 536 {
 537         arm_machine_restart('g');
 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         init_gpio_reset(SPITZ_GPIO_ON_RESET);
 552         pm_power_off = spitz_poweroff;
 553         arm_pm_restart = spitz_restart;
 554
 555         PMCR = 0x00;
 556
 557         /* setup sleep mode values */
 558         PWER  = 0x00000002;
 559         PFER  = 0x00000000;
 560         PRER  = 0x00000002;
 561         PGSR0 = 0x0158C000;
 562         PGSR1 = 0x00FF0080;
 563         PGSR2 = 0x0001C004;
 564
 565         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 566         PCFR |= PCFR_OPDE;
 567
 568         corgi_ssp_set_machinfo(&spitz_ssp_machinfo);
 569
 570         pxa_gpio_mode(SPITZ_GPIO_HSYNC | GPIO_IN);
 571
 572         platform_add_devices(devices, ARRAY_SIZE(devices));
 573         pxa_set_mci_info(&spitz_mci_platform_data);
 574         pxa_set_ohci_info(&spitz_ohci_platform_data);
 575         pxa_set_ficp_info(&spitz_ficp_platform_data);
 576         set_pxa_fb_parent(&spitzssp_device.dev);
 577         set_pxa_fb_info(&spitz_pxafb_info);
 578         pxa_set_i2c_info(NULL);
 579 }
 580
 581 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
 582 static void spitz_bl_set_intensity(int intensity)
 583 {
 584         if (intensity > 0x10)
 585                 intensity += 0x10;
 586
 587         /* Bits 0-4 are accessed via the SSP interface */
 588         corgi_ssp_blduty_set(intensity & 0x1f);
 589
 590         /* Bit 5 is via SCOOP */
 591         if (intensity & 0x0020)
 592                 reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
 593         else
 594                 set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
 595
 596         if (intensity)
 597                 set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
 598         else
 599                 reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
 600 }
 601
 602 static void __init spitz_init(void)
 603 {
 604         platform_scoop_config = &spitz_pcmcia_config;
 605
 606         spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity;
 607
 608         common_init();
 609
 610         platform_device_register(&spitzscoop2_device);
 611 }
 612 #endif
 613
 614 #ifdef CONFIG_MACH_AKITA
 615 /*
 616  * Akita IO Expander
 617  */
 618 struct platform_device akitaioexp_device = {
 619         .name           = "akita-ioexp",
 620         .id             = -1,
 621 };
 622
 623 EXPORT_SYMBOL_GPL(akitaioexp_device);
 624
 625 static void akita_bl_set_intensity(int intensity)
 626 {
 627         if (intensity > 0x10)
 628                 intensity += 0x10;
 629
 630         /* Bits 0-4 are accessed via the SSP interface */
 631         corgi_ssp_blduty_set(intensity & 0x1f);
 632
 633         /* Bit 5 is via IO-Expander */
 634         if (intensity & 0x0020)
 635                 akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT);
 636         else
 637                 akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT);
 638
 639         if (intensity)
 640                 akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON);
 641         else
 642                 akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON);
 643 }
 644
 645 static void __init akita_init(void)
 646 {
 647         spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
 648
 649         /* We just pretend the second element of the array doesn't exist */
 650         spitz_pcmcia_config.num_devs = 1;
 651         platform_scoop_config = &spitz_pcmcia_config;
 652         spitz_bl_machinfo.set_bl_intensity = akita_bl_set_intensity;
 653
 654         platform_device_register(&akitaioexp_device);
 655
 656         spitzscoop_device.dev.parent = &akitaioexp_device.dev;
 657         common_init();
 658 }
 659 #endif
 660
 661 static void __init fixup_spitz(struct machine_desc *desc,
 662                 struct tag *tags, char **cmdline, struct meminfo *mi)
 663 {
 664         sharpsl_save_param();
 665         mi->nr_banks = 1;
 666         mi->bank[0].start = 0xa0000000;
 667         mi->bank[0].node = 0;
 668         mi->bank[0].size = (64*1024*1024);
 669 }
 670
 671 #ifdef CONFIG_MACH_SPITZ
 672 MACHINE_START(SPITZ, "SHARP Spitz")
 673         .phys_io        = 0x40000000,
 674         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 675         .fixup          = fixup_spitz,
 676         .map_io         = pxa_map_io,
 677         .init_irq       = pxa27x_init_irq,
 678         .init_machine   = spitz_init,
 679         .timer          = &pxa_timer,
 680 MACHINE_END
 681 #endif
 682
 683 #ifdef CONFIG_MACH_BORZOI
 684 MACHINE_START(BORZOI, "SHARP Borzoi")
 685         .phys_io        = 0x40000000,
 686         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 687         .fixup          = fixup_spitz,
 688         .map_io         = pxa_map_io,
 689         .init_irq       = pxa27x_init_irq,
 690         .init_machine   = spitz_init,
 691         .timer          = &pxa_timer,
 692 MACHINE_END
 693 #endif
 694
 695 #ifdef CONFIG_MACH_AKITA
 696 MACHINE_START(AKITA, "SHARP Akita")
 697         .phys_io        = 0x40000000,
 698         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 699         .fixup          = fixup_spitz,
 700         .map_io         = pxa_map_io,
 701         .init_irq       = pxa27x_init_irq,
 702         .init_machine   = akita_init,
 703         .timer          = &pxa_timer,
 704 MACHINE_END
 705 #endif