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/gpio.h>
  23 #include <linux/mmc/host.h>
  24 #include <linux/pm.h>
  25 #include <linux/backlight.h>
  26
  27 #include <asm/setup.h>
  28 #include <asm/memory.h>
  29 #include <asm/mach-types.h>
  30 #include <mach/hardware.h>
  31 #include <asm/irq.h>
  32 #include <asm/io.h>
  33 #include <asm/system.h>
  34
  35 #include <asm/mach/arch.h>
  36 #include <asm/mach/map.h>
  37 #include <asm/mach/irq.h>
  38
  39 #include <mach/pxa-regs.h>
  40 #include <mach/pxa2xx-regs.h>
  41 #include <mach/mfp-pxa27x.h>
  42 #include <mach/pxa27x-udc.h>
  43 #include <mach/reset.h>
  44 #include <mach/i2c.h>
  45 #include <mach/irda.h>
  46 #include <mach/mmc.h>
  47 #include <mach/ohci.h>
  48 #include <mach/udc.h>
  49 #include <mach/pxafb.h>
  50 #include <mach/akita.h>
  51 #include <mach/spitz.h>
  52 #include <mach/sharpsl.h>
  53
  54 #include <asm/mach/sharpsl_param.h>
  55 #include <asm/hardware/scoop.h>
  56
  57 #include "generic.h"
  58 #include "devices.h"
  59 #include "sharpsl.h"
  60
  61 static unsigned long spitz_pin_config[] __initdata = {
  62         /* Chip Selects */
  63         GPIO78_nCS_2,   /* SCOOP #2 */
  64         GPIO80_nCS_4,   /* SCOOP #1 */
  65
  66         /* LCD - 16bpp Active TFT */
  67         GPIO58_LCD_LDD_0,
  68         GPIO59_LCD_LDD_1,
  69         GPIO60_LCD_LDD_2,
  70         GPIO61_LCD_LDD_3,
  71         GPIO62_LCD_LDD_4,
  72         GPIO63_LCD_LDD_5,
  73         GPIO64_LCD_LDD_6,
  74         GPIO65_LCD_LDD_7,
  75         GPIO66_LCD_LDD_8,
  76         GPIO67_LCD_LDD_9,
  77         GPIO68_LCD_LDD_10,
  78         GPIO69_LCD_LDD_11,
  79         GPIO70_LCD_LDD_12,
  80         GPIO71_LCD_LDD_13,
  81         GPIO72_LCD_LDD_14,
  82         GPIO73_LCD_LDD_15,
  83         GPIO74_LCD_FCLK,
  84         GPIO75_LCD_LCLK,
  85         GPIO76_LCD_PCLK,
  86
  87         /* PC Card */
  88         GPIO48_nPOE,
  89         GPIO49_nPWE,
  90         GPIO50_nPIOR,
  91         GPIO51_nPIOW,
  92         GPIO85_nPCE_1,
  93         GPIO54_nPCE_2,
  94         GPIO79_PSKTSEL,
  95         GPIO55_nPREG,
  96         GPIO56_nPWAIT,
  97         GPIO57_nIOIS16,
  98
  99         /* MMC */
 100         GPIO32_MMC_CLK,
 101         GPIO112_MMC_CMD,
 102         GPIO92_MMC_DAT_0,
 103         GPIO109_MMC_DAT_1,
 104         GPIO110_MMC_DAT_2,
 105         GPIO111_MMC_DAT_3,
 106
 107         /* GPIOs */
 108         GPIO9_GPIO,     /* SPITZ_GPIO_nSD_DETECT */
 109         GPIO81_GPIO,    /* SPITZ_GPIO_nSD_WP */
 110         GPIO41_GPIO,    /* SPITZ_GPIO_USB_CONNECT */
 111         GPIO37_GPIO,    /* SPITZ_GPIO_USB_HOST */
 112         GPIO35_GPIO,    /* SPITZ_GPIO_USB_DEVICE */
 113         GPIO22_GPIO,    /* SPITZ_GPIO_HSYNC */
 114         GPIO94_GPIO,    /* SPITZ_GPIO_CF_CD */
 115         GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
 116         GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */
 117
 118         GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
 119 };
 120
 121 /*
 122  * Spitz SCOOP Device #1
 123  */
 124 static struct resource spitz_scoop_resources[] = {
 125         [0] = {
 126                 .start          = 0x10800000,
 127                 .end            = 0x10800fff,
 128                 .flags          = IORESOURCE_MEM,
 129         },
 130 };
 131
 132 static struct scoop_config spitz_scoop_setup = {
 133         .io_dir         = SPITZ_SCP_IO_DIR,
 134         .io_out         = SPITZ_SCP_IO_OUT,
 135         .suspend_clr = SPITZ_SCP_SUS_CLR,
 136         .suspend_set = SPITZ_SCP_SUS_SET,
 137 };
 138
 139 struct platform_device spitzscoop_device = {
 140         .name           = "sharp-scoop",
 141         .id             = 0,
 142         .dev            = {
 143                 .platform_data  = &spitz_scoop_setup,
 144         },
 145         .num_resources  = ARRAY_SIZE(spitz_scoop_resources),
 146         .resource       = spitz_scoop_resources,
 147 };
 148
 149 /*
 150  * Spitz SCOOP Device #2
 151  */
 152 static struct resource spitz_scoop2_resources[] = {
 153         [0] = {
 154                 .start          = 0x08800040,
 155                 .end            = 0x08800fff,
 156                 .flags          = IORESOURCE_MEM,
 157         },
 158 };
 159
 160 static struct scoop_config spitz_scoop2_setup = {
 161         .io_dir         = SPITZ_SCP2_IO_DIR,
 162         .io_out         = SPITZ_SCP2_IO_OUT,
 163         .suspend_clr = SPITZ_SCP2_SUS_CLR,
 164         .suspend_set = SPITZ_SCP2_SUS_SET,
 165 };
 166
 167 struct platform_device spitzscoop2_device = {
 168         .name           = "sharp-scoop",
 169         .id             = 1,
 170         .dev            = {
 171                 .platform_data  = &spitz_scoop2_setup,
 172         },
 173         .num_resources  = ARRAY_SIZE(spitz_scoop2_resources),
 174         .resource       = spitz_scoop2_resources,
 175 };
 176
 177 #define SPITZ_PWR_SD 0x01
 178 #define SPITZ_PWR_CF 0x02
 179
 180 /* Power control is shared with between one of the CF slots and SD */
 181 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
 182 {
 183         unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
 184
 185         if (new_cpr & 0x0007) {
 186                 set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
 187                 if (!(cpr & 0x0002) && !(cpr & 0x0004))
 188                         mdelay(5);
 189                 if (device == SPITZ_PWR_CF)
 190                         cpr |= 0x0002;
 191                 if (device == SPITZ_PWR_SD)
 192                         cpr |= 0x0004;
 193                 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 194         } else {
 195                 if (device == SPITZ_PWR_CF)
 196                         cpr &= ~0x0002;
 197                 if (device == SPITZ_PWR_SD)
 198                         cpr &= ~0x0004;
 199                 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
 200                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
 201                         mdelay(1);
 202                         reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
 203                 } else {
 204                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 205                 }
 206         }
 207 }
 208
 209 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
 210 {
 211         /* Only need to override behaviour for slot 0 */
 212         if (nr == 0)
 213                 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
 214         else
 215                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
 216 }
 217
 218 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 219 {
 220         .dev        = &spitzscoop_device.dev,
 221         .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
 222         .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
 223         .cd_irq_str = "PCMCIA0 CD",
 224 },{
 225         .dev        = &spitzscoop2_device.dev,
 226         .irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
 227         .cd_irq     = -1,
 228 },
 229 };
 230
 231 static struct scoop_pcmcia_config spitz_pcmcia_config = {
 232         .devs         = &spitz_pcmcia_scoop[0],
 233         .num_devs     = 2,
 234         .power_ctrl   = spitz_pcmcia_pwr,
 235 };
 236
 237 EXPORT_SYMBOL(spitzscoop_device);
 238 EXPORT_SYMBOL(spitzscoop2_device);
 239
 240
 241 /*
 242  * Spitz SSP Device
 243  *
 244  * Set the parent as the scoop device because a lot of SSP devices
 245  * also use scoop functions and this makes the power up/down order
 246  * work correctly.
 247  */
 248 struct platform_device spitzssp_device = {
 249         .name           = "corgi-ssp",
 250         .dev            = {
 251                 .parent = &spitzscoop_device.dev,
 252         },
 253         .id             = -1,
 254 };
 255
 256 struct corgissp_machinfo spitz_ssp_machinfo = {
 257         .port           = 2,
 258         .cs_lcdcon      = SPITZ_GPIO_LCDCON_CS,
 259         .cs_ads7846     = SPITZ_GPIO_ADS7846_CS,
 260         .cs_max1111     = SPITZ_GPIO_MAX1111_CS,
 261         .clk_lcdcon     = 520,
 262         .clk_ads7846    = 14,
 263         .clk_max1111    = 56,
 264 };
 265
 266
 267 /*
 268  * Spitz Backlight Device
 269  */
 270 static void spitz_bl_kick_battery(void)
 271 {
 272         void (*kick_batt)(void);
 273
 274         kick_batt = symbol_get(sharpsl_battery_kick);
 275         if (kick_batt) {
 276                 kick_batt();
 277                 symbol_put(sharpsl_battery_kick);
 278         }
 279 }
 280
 281 static struct generic_bl_info spitz_bl_machinfo = {
 282         .name = "corgi-bl",
 283         .default_intensity = 0x1f,
 284         .limit_mask = 0x0b,
 285         .max_intensity = 0x2f,
 286         .kick_battery = spitz_bl_kick_battery,
 287 };
 288
 289 static struct platform_device spitzbl_device = {
 290         .name           = "generic-bl",
 291         .dev            = {
 292                 .platform_data  = &spitz_bl_machinfo,
 293         },
 294         .id             = -1,
 295 };
 296
 297
 298 /*
 299  * Spitz Keyboard Device
 300  */
 301 static struct platform_device spitzkbd_device = {
 302         .name           = "spitz-keyboard",
 303         .id             = -1,
 304 };
 305
 306
 307 /*
 308  * Spitz LEDs
 309  */
 310 static struct platform_device spitzled_device = {
 311         .name           = "spitz-led",
 312         .id             = -1,
 313 };
 314
 315 /*
 316  * Spitz Touch Screen Device
 317  */
 318
 319 static unsigned long (*get_hsync_invperiod)(struct device *dev);
 320
 321 static void inline sharpsl_wait_sync(int gpio)
 322 {
 323         while((GPLR(gpio) & GPIO_bit(gpio)) == 0);
 324         while((GPLR(gpio) & GPIO_bit(gpio)) != 0);
 325 }
 326
 327 static struct device *spitz_pxafb_dev;
 328
 329 static int is_pxafb_device(struct device * dev, void * data)
 330 {
 331         struct platform_device *pdev = container_of(dev, struct platform_device, dev);
 332
 333         return (strncmp(pdev->name, "pxa2xx-fb", 9) == 0);
 334 }
 335
 336 static unsigned long spitz_get_hsync_invperiod(void)
 337 {
 338 #ifdef CONFIG_FB_PXA
 339         if (!spitz_pxafb_dev) {
 340                 spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device);
 341                 if (!spitz_pxafb_dev)
 342                         return 0;
 343         }
 344         if (!get_hsync_invperiod)
 345                 get_hsync_invperiod = symbol_get(pxafb_get_hsync_time);
 346         if (!get_hsync_invperiod)
 347 #endif
 348                 return 0;
 349
 350         return get_hsync_invperiod(spitz_pxafb_dev);
 351 }
 352
 353 static void spitz_put_hsync(void)
 354 {
 355         put_device(spitz_pxafb_dev);
 356         if (get_hsync_invperiod)
 357                 symbol_put(pxafb_get_hsync_time);
 358         spitz_pxafb_dev = NULL;
 359         get_hsync_invperiod = NULL;
 360 }
 361
 362 static void spitz_wait_hsync(void)
 363 {
 364         sharpsl_wait_sync(SPITZ_GPIO_HSYNC);
 365 }
 366
 367 static struct resource spitzts_resources[] = {
 368         [0] = {
 369                 .start          = SPITZ_IRQ_GPIO_TP_INT,
 370                 .end            = SPITZ_IRQ_GPIO_TP_INT,
 371                 .flags          = IORESOURCE_IRQ,
 372         },
 373 };
 374
 375 static struct corgits_machinfo  spitz_ts_machinfo = {
 376         .get_hsync_invperiod = spitz_get_hsync_invperiod,
 377         .put_hsync           = spitz_put_hsync,
 378         .wait_hsync          = spitz_wait_hsync,
 379 };
 380
 381 static struct platform_device spitzts_device = {
 382         .name           = "corgi-ts",
 383         .dev            = {
 384                 .parent = &spitzssp_device.dev,
 385                 .platform_data  = &spitz_ts_machinfo,
 386         },
 387         .id             = -1,
 388         .num_resources  = ARRAY_SIZE(spitzts_resources),
 389         .resource       = spitzts_resources,
 390 };
 391
 392
 393 /*
 394  * MMC/SD Device
 395  *
 396  * The card detect interrupt isn't debounced so we delay it by 250ms
 397  * to give the card a chance to fully insert/eject.
 398  */
 399
 400 static struct pxamci_platform_data spitz_mci_platform_data;
 401
 402 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data)
 403 {
 404         int err;
 405
 406         err = gpio_request(SPITZ_GPIO_nSD_DETECT, "nSD_DETECT");
 407         if (err)
 408                 goto err_out;
 409
 410         err = gpio_request(SPITZ_GPIO_nSD_WP, "nSD_WP");
 411         if (err)
 412                 goto err_free_1;
 413
 414         gpio_direction_input(SPITZ_GPIO_nSD_DETECT);
 415         gpio_direction_input(SPITZ_GPIO_nSD_WP);
 416
 417         spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 418
 419         err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
 420                           IRQF_DISABLED | IRQF_TRIGGER_RISING |
 421                           IRQF_TRIGGER_FALLING,
 422                           "MMC card detect", data);
 423         if (err) {
 424                 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
 425                                 __func__);
 426                 goto err_free_2;
 427         }
 428         return 0;
 429
 430 err_free_2:
 431         gpio_free(SPITZ_GPIO_nSD_WP);
 432 err_free_1:
 433         gpio_free(SPITZ_GPIO_nSD_DETECT);
 434 err_out:
 435         return err;
 436 }
 437
 438 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
 439 {
 440         struct pxamci_platform_data* p_d = dev->platform_data;
 441
 442         if (( 1 << vdd) & p_d->ocr_mask)
 443                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
 444         else
 445                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
 446 }
 447
 448 static int spitz_mci_get_ro(struct device *dev)
 449 {
 450         return gpio_get_value(SPITZ_GPIO_nSD_WP);
 451 }
 452
 453 static void spitz_mci_exit(struct device *dev, void *data)
 454 {
 455         free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
 456         gpio_free(SPITZ_GPIO_nSD_WP);
 457         gpio_free(SPITZ_GPIO_nSD_DETECT);
 458 }
 459
 460 static struct pxamci_platform_data spitz_mci_platform_data = {
 461         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 462         .init           = spitz_mci_init,
 463         .get_ro         = spitz_mci_get_ro,
 464         .setpower       = spitz_mci_setpower,
 465         .exit           = spitz_mci_exit,
 466 };
 467
 468
 469 /*
 470  * USB Host (OHCI)
 471  */
 472 static int spitz_ohci_init(struct device *dev)
 473 {
 474         int err;
 475
 476         err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
 477         if (err)
 478                 return err;
 479
 480         /* Only Port 2 is connected
 481          * Setup USB Port 2 Output Control Register
 482          */
 483         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 484
 485         gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
 486
 487         UHCHR = (UHCHR) &
 488                 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
 489
 490         UHCRHDA |= UHCRHDA_NOCP;
 491
 492         return 0;
 493 }
 494
 495 static struct pxaohci_platform_data spitz_ohci_platform_data = {
 496         .port_mode      = PMM_NPS_MODE,
 497         .init           = spitz_ohci_init,
 498         .power_budget   = 150,
 499 };
 500
 501
 502 /*
 503  * Irda
 504  */
 505 static void spitz_irda_transceiver_mode(struct device *dev, int mode)
 506 {
 507         if (mode & IR_OFF)
 508                 set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
 509         else
 510                 reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
 511         pxa2xx_transceiver_mode(dev, mode);
 512 }
 513
 514 #ifdef CONFIG_MACH_AKITA
 515 static void akita_irda_transceiver_mode(struct device *dev, int mode)
 516 {
 517         if (mode & IR_OFF)
 518                 akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
 519         else
 520                 akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
 521         pxa2xx_transceiver_mode(dev, mode);
 522 }
 523 #endif
 524
 525 static struct pxaficp_platform_data spitz_ficp_platform_data = {
 526         .transceiver_cap  = IR_SIRMODE | IR_OFF,
 527         .transceiver_mode = spitz_irda_transceiver_mode,
 528 };
 529
 530
 531 /*
 532  * Spitz PXA Framebuffer
 533  */
 534
 535 static void spitz_lcd_power(int on, struct fb_var_screeninfo *var)
 536 {
 537         if (on)
 538                 corgi_lcdtg_hw_init(var->xres);
 539         else
 540                 corgi_lcdtg_suspend();
 541 }
 542
 543 static struct pxafb_mode_info spitz_pxafb_modes[] = {
 544 {
 545         .pixclock       = 19231,
 546         .xres           = 480,
 547         .yres           = 640,
 548         .bpp            = 16,
 549         .hsync_len      = 40,
 550         .left_margin    = 46,
 551         .right_margin   = 125,
 552         .vsync_len      = 3,
 553         .upper_margin   = 1,
 554         .lower_margin   = 0,
 555         .sync           = 0,
 556 },{
 557         .pixclock       = 134617,
 558         .xres           = 240,
 559         .yres           = 320,
 560         .bpp            = 16,
 561         .hsync_len      = 20,
 562         .left_margin    = 20,
 563         .right_margin   = 46,
 564         .vsync_len      = 2,
 565         .upper_margin   = 1,
 566         .lower_margin   = 0,
 567         .sync           = 0,
 568 },
 569 };
 570
 571 static struct pxafb_mach_info spitz_pxafb_info = {
 572         .modes          = &spitz_pxafb_modes[0],
 573         .num_modes      = 2,
 574         .fixed_modes    = 1,
 575         .lccr0          = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM,
 576         .lccr3          = LCCR3_PixRsEdg | LCCR3_OutEnH,
 577         .pxafb_lcd_power = spitz_lcd_power,
 578 };
 579
 580
 581 static struct platform_device *devices[] __initdata = {
 582         &spitzscoop_device,
 583         &spitzssp_device,
 584         &spitzkbd_device,
 585         &spitzts_device,
 586         &spitzbl_device,
 587         &spitzled_device,
 588 };
 589
 590 static void spitz_poweroff(void)
 591 {
 592         arm_machine_restart('g');
 593 }
 594
 595 static void spitz_restart(char mode)
 596 {
 597         /* Bootloader magic for a reboot */
 598         if((MSC0 & 0xffff0000) == 0x7ff00000)
 599                 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
 600
 601         spitz_poweroff();
 602 }
 603
 604 static void __init common_init(void)
 605 {
 606         init_gpio_reset(SPITZ_GPIO_ON_RESET);
 607         pm_power_off = spitz_poweroff;
 608         arm_pm_restart = spitz_restart;
 609
 610         PMCR = 0x00;
 611
 612         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 613         PCFR |= PCFR_OPDE;
 614
 615         pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
 616
 617         corgi_ssp_set_machinfo(&spitz_ssp_machinfo);
 618
 619         platform_add_devices(devices, ARRAY_SIZE(devices));
 620         pxa_set_mci_info(&spitz_mci_platform_data);
 621         pxa_set_ohci_info(&spitz_ohci_platform_data);
 622         pxa_set_ficp_info(&spitz_ficp_platform_data);
 623         set_pxa_fb_parent(&spitzssp_device.dev);
 624         set_pxa_fb_info(&spitz_pxafb_info);
 625         pxa_set_i2c_info(NULL);
 626 }
 627
 628 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
 629 static void spitz_bl_set_intensity(int intensity)
 630 {
 631         if (intensity > 0x10)
 632                 intensity += 0x10;
 633
 634         /* Bits 0-4 are accessed via the SSP interface */
 635         corgi_ssp_blduty_set(intensity & 0x1f);
 636
 637         /* Bit 5 is via SCOOP */
 638         if (intensity & 0x0020)
 639                 reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
 640         else
 641                 set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
 642
 643         if (intensity)
 644                 set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
 645         else
 646                 reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
 647 }
 648
 649 static void __init spitz_init(void)
 650 {
 651         platform_scoop_config = &spitz_pcmcia_config;
 652
 653         spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity;
 654
 655         common_init();
 656
 657         platform_device_register(&spitzscoop2_device);
 658 }
 659 #endif
 660
 661 #ifdef CONFIG_MACH_AKITA
 662 /*
 663  * Akita IO Expander
 664  */
 665 struct platform_device akitaioexp_device = {
 666         .name           = "akita-ioexp",
 667         .id             = -1,
 668 };
 669
 670 EXPORT_SYMBOL_GPL(akitaioexp_device);
 671
 672 static void akita_bl_set_intensity(int intensity)
 673 {
 674         if (intensity > 0x10)
 675                 intensity += 0x10;
 676
 677         /* Bits 0-4 are accessed via the SSP interface */
 678         corgi_ssp_blduty_set(intensity & 0x1f);
 679
 680         /* Bit 5 is via IO-Expander */
 681         if (intensity & 0x0020)
 682                 akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT);
 683         else
 684                 akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT);
 685
 686         if (intensity)
 687                 akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON);
 688         else
 689                 akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON);
 690 }
 691
 692 static void __init akita_init(void)
 693 {
 694         spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
 695
 696         /* We just pretend the second element of the array doesn't exist */
 697         spitz_pcmcia_config.num_devs = 1;
 698         platform_scoop_config = &spitz_pcmcia_config;
 699         spitz_bl_machinfo.set_bl_intensity = akita_bl_set_intensity;
 700
 701         platform_device_register(&akitaioexp_device);
 702
 703         spitzscoop_device.dev.parent = &akitaioexp_device.dev;
 704         common_init();
 705 }
 706 #endif
 707
 708 static void __init fixup_spitz(struct machine_desc *desc,
 709                 struct tag *tags, char **cmdline, struct meminfo *mi)
 710 {
 711         sharpsl_save_param();
 712         mi->nr_banks = 1;
 713         mi->bank[0].start = 0xa0000000;
 714         mi->bank[0].node = 0;
 715         mi->bank[0].size = (64*1024*1024);
 716 }
 717
 718 #ifdef CONFIG_MACH_SPITZ
 719 MACHINE_START(SPITZ, "SHARP Spitz")
 720         .phys_io        = 0x40000000,
 721         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 722         .fixup          = fixup_spitz,
 723         .map_io         = pxa_map_io,
 724         .init_irq       = pxa27x_init_irq,
 725         .init_machine   = spitz_init,
 726         .timer          = &pxa_timer,
 727 MACHINE_END
 728 #endif
 729
 730 #ifdef CONFIG_MACH_BORZOI
 731 MACHINE_START(BORZOI, "SHARP Borzoi")
 732         .phys_io        = 0x40000000,
 733         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 734         .fixup          = fixup_spitz,
 735         .map_io         = pxa_map_io,
 736         .init_irq       = pxa27x_init_irq,
 737         .init_machine   = spitz_init,
 738         .timer          = &pxa_timer,
 739 MACHINE_END
 740 #endif
 741
 742 #ifdef CONFIG_MACH_AKITA
 743 MACHINE_START(AKITA, "SHARP Akita")
 744         .phys_io        = 0x40000000,
 745         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 746         .fixup          = fixup_spitz,
 747         .map_io         = pxa_map_io,
 748         .init_irq       = pxa27x_init_irq,
 749         .init_machine   = akita_init,
 750         .timer          = &pxa_timer,
 751 MACHINE_END
 752 #endif