arch/arm/mach-pxa/mainstone.c

   1 /*
   2  *  linux/arch/arm/mach-pxa/mainstone.c
   3  *
   4  *  Support for the Intel HCDDBBVA0 Development Platform.
   5  *  (go figure how they came up with such name...)
   6  *
   7  *  Author:     Nicolas Pitre
   8  *  Created:    Nov 05, 2002
   9  *  Copyright:  MontaVista Software Inc.
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License version 2 as
  13  *  published by the Free Software Foundation.
  14  */
  15
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/sysdev.h>
  19 #include <linux/interrupt.h>
  20 #include <linux/sched.h>
  21 #include <linux/bitops.h>
  22 #include <linux/fb.h>
  23 #include <linux/ioport.h>
  24 #include <linux/mtd/mtd.h>
  25 #include <linux/mtd/partitions.h>
  26 #include <linux/input.h>
  27 #include <linux/gpio_keys.h>
  28 #include <linux/pwm_backlight.h>
  29 #include <linux/smc91x.h>
  30
  31 #include <asm/types.h>
  32 #include <asm/setup.h>
  33 #include <asm/memory.h>
  34 #include <asm/mach-types.h>
  35 #include <mach/hardware.h>
  36 #include <asm/irq.h>
  37 #include <asm/sizes.h>
  38
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/map.h>
  41 #include <asm/mach/irq.h>
  42 #include <asm/mach/flash.h>
  43
  44 #include <mach/pxa27x.h>
  45 #include <mach/gpio.h>
  46 #include <mach/mainstone.h>
  47 #include <mach/audio.h>
  48 #include <mach/pxafb.h>
  49 #include <mach/i2c.h>
  50 #include <mach/mmc.h>
  51 #include <mach/irda.h>
  52 #include <mach/ohci.h>
  53 #include <mach/pxa27x_keypad.h>
  54
  55 #include "generic.h"
  56 #include "devices.h"
  57
  58 static unsigned long mainstone_pin_config[] = {
  59         /* Chip Select */
  60         GPIO15_nCS_1,
  61
  62         /* LCD - 16bpp Active TFT */
  63         GPIO58_LCD_LDD_0,
  64         GPIO59_LCD_LDD_1,
  65         GPIO60_LCD_LDD_2,
  66         GPIO61_LCD_LDD_3,
  67         GPIO62_LCD_LDD_4,
  68         GPIO63_LCD_LDD_5,
  69         GPIO64_LCD_LDD_6,
  70         GPIO65_LCD_LDD_7,
  71         GPIO66_LCD_LDD_8,
  72         GPIO67_LCD_LDD_9,
  73         GPIO68_LCD_LDD_10,
  74         GPIO69_LCD_LDD_11,
  75         GPIO70_LCD_LDD_12,
  76         GPIO71_LCD_LDD_13,
  77         GPIO72_LCD_LDD_14,
  78         GPIO73_LCD_LDD_15,
  79         GPIO74_LCD_FCLK,
  80         GPIO75_LCD_LCLK,
  81         GPIO76_LCD_PCLK,
  82         GPIO77_LCD_BIAS,
  83         GPIO16_PWM0_OUT,        /* Backlight */
  84
  85         /* MMC */
  86         GPIO32_MMC_CLK,
  87         GPIO112_MMC_CMD,
  88         GPIO92_MMC_DAT_0,
  89         GPIO109_MMC_DAT_1,
  90         GPIO110_MMC_DAT_2,
  91         GPIO111_MMC_DAT_3,
  92
  93         /* USB Host Port 1 */
  94         GPIO88_USBH1_PWR,
  95         GPIO89_USBH1_PEN,
  96
  97         /* PC Card */
  98         GPIO48_nPOE,
  99         GPIO49_nPWE,
 100         GPIO50_nPIOR,
 101         GPIO51_nPIOW,
 102         GPIO85_nPCE_1,
 103         GPIO54_nPCE_2,
 104         GPIO79_PSKTSEL,
 105         GPIO55_nPREG,
 106         GPIO56_nPWAIT,
 107         GPIO57_nIOIS16,
 108
 109         /* AC97 */
 110         GPIO45_AC97_SYSCLK,
 111
 112         /* Keypad */
 113         GPIO93_KP_DKIN_0,
 114         GPIO94_KP_DKIN_1,
 115         GPIO95_KP_DKIN_2,
 116         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
 117         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
 118         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
 119         GPIO97_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
 120         GPIO98_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
 121         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
 122         GPIO103_KP_MKOUT_0,
 123         GPIO104_KP_MKOUT_1,
 124         GPIO105_KP_MKOUT_2,
 125         GPIO106_KP_MKOUT_3,
 126         GPIO107_KP_MKOUT_4,
 127         GPIO108_KP_MKOUT_5,
 128         GPIO96_KP_MKOUT_6,
 129
 130         /* I2C */
 131         GPIO117_I2C_SCL,
 132         GPIO118_I2C_SDA,
 133
 134         /* GPIO */
 135         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
 136 };
 137
 138 static unsigned long mainstone_irq_enabled;
 139
 140 static void mainstone_mask_irq(unsigned int irq)
 141 {
 142         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
 143         MST_INTMSKENA = (mainstone_irq_enabled &= ~(1 << mainstone_irq));
 144 }
 145
 146 static void mainstone_unmask_irq(unsigned int irq)
 147 {
 148         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
 149         /* the irq can be acknowledged only if deasserted, so it's done here */
 150         MST_INTSETCLR &= ~(1 << mainstone_irq);
 151         MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq));
 152 }
 153
 154 static struct irq_chip mainstone_irq_chip = {
 155         .name           = "FPGA",
 156         .ack            = mainstone_mask_irq,
 157         .mask           = mainstone_mask_irq,
 158         .unmask         = mainstone_unmask_irq,
 159 };
 160
 161 static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
 162 {
 163         unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
 164         do {
 165                 GEDR(0) = GPIO_bit(0);  /* clear useless edge notification */
 166                 if (likely(pending)) {
 167                         irq = MAINSTONE_IRQ(0) + __ffs(pending);
 168                         generic_handle_irq(irq);
 169                 }
 170                 pending = MST_INTSETCLR & mainstone_irq_enabled;
 171         } while (pending);
 172 }
 173
 174 static void __init mainstone_init_irq(void)
 175 {
 176         int irq;
 177
 178         pxa27x_init_irq();
 179
 180         /* setup extra Mainstone irqs */
 181         for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {
 182                 set_irq_chip(irq, &mainstone_irq_chip);
 183                 set_irq_handler(irq, handle_level_irq);
 184                 if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14))
 185                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN);
 186                 else
 187                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
 188         }
 189         set_irq_flags(MAINSTONE_IRQ(8), 0);
 190         set_irq_flags(MAINSTONE_IRQ(12), 0);
 191
 192         MST_INTMSKENA = 0;
 193         MST_INTSETCLR = 0;
 194
 195         set_irq_chained_handler(IRQ_GPIO(0), mainstone_irq_handler);
 196         set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING);
 197 }
 198
 199 #ifdef CONFIG_PM
 200
 201 static int mainstone_irq_resume(struct sys_device *dev)
 202 {
 203         MST_INTMSKENA = mainstone_irq_enabled;
 204         return 0;
 205 }
 206
 207 static struct sysdev_class mainstone_irq_sysclass = {
 208         .name = "cpld_irq",
 209         .resume = mainstone_irq_resume,
 210 };
 211
 212 static struct sys_device mainstone_irq_device = {
 213         .cls = &mainstone_irq_sysclass,
 214 };
 215
 216 static int __init mainstone_irq_device_init(void)
 217 {
 218         int ret = -ENODEV;
 219
 220         if (machine_is_mainstone()) {
 221                 ret = sysdev_class_register(&mainstone_irq_sysclass);
 222                 if (ret == 0)
 223                         ret = sysdev_register(&mainstone_irq_device);
 224         }
 225         return ret;
 226 }
 227
 228 device_initcall(mainstone_irq_device_init);
 229
 230 #endif
 231
 232
 233 static struct resource smc91x_resources[] = {
 234         [0] = {
 235                 .start  = (MST_ETH_PHYS + 0x300),
 236                 .end    = (MST_ETH_PHYS + 0xfffff),
 237                 .flags  = IORESOURCE_MEM,
 238         },
 239         [1] = {
 240                 .start  = MAINSTONE_IRQ(3),
 241                 .end    = MAINSTONE_IRQ(3),
 242                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 243         }
 244 };
 245
 246 static struct smc91x_platdata mainstone_smc91x_info = {
 247         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
 248                   SMC91X_NOWAIT | SMC91X_USE_DMA,
 249 };
 250
 251 static struct platform_device smc91x_device = {
 252         .name           = "smc91x",
 253         .id             = 0,
 254         .num_resources  = ARRAY_SIZE(smc91x_resources),
 255         .resource       = smc91x_resources,
 256         .dev            = {
 257                 .platform_data = &mainstone_smc91x_info,
 258         },
 259 };
 260
 261 static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
 262 {
 263         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 264                 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
 265         return 0;
 266 }
 267
 268 static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
 269 {
 270         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 271                 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
 272 }
 273
 274 static long mst_audio_suspend_mask;
 275
 276 static void mst_audio_suspend(void *priv)
 277 {
 278         mst_audio_suspend_mask = MST_MSCWR2;
 279         MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
 280 }
 281
 282 static void mst_audio_resume(void *priv)
 283 {
 284         MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
 285 }
 286
 287 static pxa2xx_audio_ops_t mst_audio_ops = {
 288         .startup        = mst_audio_startup,
 289         .shutdown       = mst_audio_shutdown,
 290         .suspend        = mst_audio_suspend,
 291         .resume         = mst_audio_resume,
 292 };
 293
 294 static struct resource flash_resources[] = {
 295         [0] = {
 296                 .start  = PXA_CS0_PHYS,
 297                 .end    = PXA_CS0_PHYS + SZ_64M - 1,
 298                 .flags  = IORESOURCE_MEM,
 299         },
 300         [1] = {
 301                 .start  = PXA_CS1_PHYS,
 302                 .end    = PXA_CS1_PHYS + SZ_64M - 1,
 303                 .flags  = IORESOURCE_MEM,
 304         },
 305 };
 306
 307 static struct mtd_partition mainstoneflash0_partitions[] = {
 308         {
 309                 .name =         "Bootloader",
 310                 .size =         0x00040000,
 311                 .offset =       0,
 312                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 313         },{
 314                 .name =         "Kernel",
 315                 .size =         0x00400000,
 316                 .offset =       0x00040000,
 317         },{
 318                 .name =         "Filesystem",
 319                 .size =         MTDPART_SIZ_FULL,
 320                 .offset =       0x00440000
 321         }
 322 };
 323
 324 static struct flash_platform_data mst_flash_data[2] = {
 325         {
 326                 .map_name       = "cfi_probe",
 327                 .parts          = mainstoneflash0_partitions,
 328                 .nr_parts       = ARRAY_SIZE(mainstoneflash0_partitions),
 329         }, {
 330                 .map_name       = "cfi_probe",
 331                 .parts          = NULL,
 332                 .nr_parts       = 0,
 333         }
 334 };
 335
 336 static struct platform_device mst_flash_device[2] = {
 337         {
 338                 .name           = "pxa2xx-flash",
 339                 .id             = 0,
 340                 .dev = {
 341                         .platform_data = &mst_flash_data[0],
 342                 },
 343                 .resource = &flash_resources[0],
 344                 .num_resources = 1,
 345         },
 346         {
 347                 .name           = "pxa2xx-flash",
 348                 .id             = 1,
 349                 .dev = {
 350                         .platform_data = &mst_flash_data[1],
 351                 },
 352                 .resource = &flash_resources[1],
 353                 .num_resources = 1,
 354         },
 355 };
 356
 357 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 358 static struct platform_pwm_backlight_data mainstone_backlight_data = {
 359         .pwm_id         = 0,
 360         .max_brightness = 1023,
 361         .dft_brightness = 1023,
 362         .pwm_period_ns  = 78770,
 363 };
 364
 365 static struct platform_device mainstone_backlight_device = {
 366         .name           = "pwm-backlight",
 367         .dev            = {
 368                 .parent = &pxa27x_device_pwm0.dev,
 369                 .platform_data = &mainstone_backlight_data,
 370         },
 371 };
 372
 373 static void __init mainstone_backlight_register(void)
 374 {
 375         int ret = platform_device_register(&mainstone_backlight_device);
 376         if (ret)
 377                 printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
 378 }
 379 #else
 380 #define mainstone_backlight_register()  do { } while (0)
 381 #endif
 382
 383 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
 384         .pixclock               = 50000,
 385         .xres                   = 640,
 386         .yres                   = 480,
 387         .bpp                    = 16,
 388         .hsync_len              = 1,
 389         .left_margin            = 0x9f,
 390         .right_margin           = 1,
 391         .vsync_len              = 44,
 392         .upper_margin           = 0,
 393         .lower_margin           = 0,
 394         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 395 };
 396
 397 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
 398         .pixclock               = 110000,
 399         .xres                   = 240,
 400         .yres                   = 320,
 401         .bpp                    = 16,
 402         .hsync_len              = 4,
 403         .left_margin            = 8,
 404         .right_margin           = 20,
 405         .vsync_len              = 3,
 406         .upper_margin           = 1,
 407         .lower_margin           = 10,
 408         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 409 };
 410
 411 static struct pxafb_mach_info mainstone_pxafb_info = {
 412         .num_modes              = 1,
 413         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 414 };
 415
 416 static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
 417 {
 418         int err;
 419
 420         /* make sure SD/Memory Stick multiplexer's signals
 421          * are routed to MMC controller
 422          */
 423         MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 424
 425         err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
 426                              "MMC card detect", data);
 427         if (err)
 428                 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 429
 430         return err;
 431 }
 432
 433 static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
 434 {
 435         struct pxamci_platform_data* p_d = dev->platform_data;
 436
 437         if (( 1 << vdd) & p_d->ocr_mask) {
 438                 printk(KERN_DEBUG "%s: on\n", __func__);
 439                 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
 440                 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 441         } else {
 442                 printk(KERN_DEBUG "%s: off\n", __func__);
 443                 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
 444         }
 445 }
 446
 447 static void mainstone_mci_exit(struct device *dev, void *data)
 448 {
 449         free_irq(MAINSTONE_MMC_IRQ, data);
 450 }
 451
 452 static struct pxamci_platform_data mainstone_mci_platform_data = {
 453         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 454         .init           = mainstone_mci_init,
 455         .setpower       = mainstone_mci_setpower,
 456         .exit           = mainstone_mci_exit,
 457 };
 458
 459 static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
 460 {
 461         unsigned long flags;
 462
 463         local_irq_save(flags);
 464         if (mode & IR_SIRMODE) {
 465                 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
 466         } else if (mode & IR_FIRMODE) {
 467                 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
 468         }
 469         pxa2xx_transceiver_mode(dev, mode);
 470         if (mode & IR_OFF) {
 471                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
 472         } else {
 473                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
 474         }
 475         local_irq_restore(flags);
 476 }
 477
 478 static struct pxaficp_platform_data mainstone_ficp_platform_data = {
 479         .transceiver_cap  = IR_SIRMODE | IR_FIRMODE | IR_OFF,
 480         .transceiver_mode = mainstone_irda_transceiver_mode,
 481 };
 482
 483 static struct gpio_keys_button gpio_keys_button[] = {
 484         [0] = {
 485                 .desc   = "wakeup",
 486                 .code   = KEY_SUSPEND,
 487                 .type   = EV_KEY,
 488                 .gpio   = 1,
 489                 .wakeup = 1,
 490         },
 491 };
 492
 493 static struct gpio_keys_platform_data mainstone_gpio_keys = {
 494         .buttons        = gpio_keys_button,
 495         .nbuttons       = 1,
 496 };
 497
 498 static struct platform_device mst_gpio_keys_device = {
 499         .name           = "gpio-keys",
 500         .id             = -1,
 501         .dev            = {
 502                 .platform_data  = &mainstone_gpio_keys,
 503         },
 504 };
 505
 506 static struct platform_device *platform_devices[] __initdata = {
 507         &smc91x_device,
 508         &mst_flash_device[0],
 509         &mst_flash_device[1],
 510         &mst_gpio_keys_device,
 511 };
 512
 513 static struct pxaohci_platform_data mainstone_ohci_platform_data = {
 514         .port_mode      = PMM_PERPORT_MODE,
 515         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
 516 };
 517
 518 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 519 static unsigned int mainstone_matrix_keys[] = {
 520         KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
 521         KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
 522         KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
 523         KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
 524         KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
 525         KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
 526         KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
 527         KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
 528         KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
 529
 530         KEY(0, 4, KEY_DOT),     /* . */
 531         KEY(1, 4, KEY_CLOSE),   /* @ */
 532         KEY(4, 4, KEY_SLASH),
 533         KEY(5, 4, KEY_BACKSLASH),
 534         KEY(0, 5, KEY_HOME),
 535         KEY(1, 5, KEY_LEFTSHIFT),
 536         KEY(2, 5, KEY_SPACE),
 537         KEY(3, 5, KEY_SPACE),
 538         KEY(4, 5, KEY_ENTER),
 539         KEY(5, 5, KEY_BACKSPACE),
 540
 541         KEY(0, 6, KEY_UP),
 542         KEY(1, 6, KEY_DOWN),
 543         KEY(2, 6, KEY_LEFT),
 544         KEY(3, 6, KEY_RIGHT),
 545         KEY(4, 6, KEY_SELECT),
 546 };
 547
 548 struct pxa27x_keypad_platform_data mainstone_keypad_info = {
 549         .matrix_key_rows        = 6,
 550         .matrix_key_cols        = 7,
 551         .matrix_key_map         = mainstone_matrix_keys,
 552         .matrix_key_map_size    = ARRAY_SIZE(mainstone_matrix_keys),
 553
 554         .enable_rotary0         = 1,
 555         .rotary0_up_key         = KEY_UP,
 556         .rotary0_down_key       = KEY_DOWN,
 557
 558         .debounce_interval      = 30,
 559 };
 560
 561 static void __init mainstone_init_keypad(void)
 562 {
 563         pxa_set_keypad_info(&mainstone_keypad_info);
 564 }
 565 #else
 566 static inline void mainstone_init_keypad(void) {}
 567 #endif
 568
 569 static void __init mainstone_init(void)
 570 {
 571         int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
 572
 573         pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
 574
 575         mst_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4;
 576         mst_flash_data[1].width = 4;
 577
 578         /* Compensate for SW7 which swaps the flash banks */
 579         mst_flash_data[SW7].name = "processor-flash";
 580         mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
 581
 582         printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
 583                mst_flash_data[0].name);
 584
 585         /* system bus arbiter setting
 586          * - Core_Park
 587          * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
 588          */
 589         ARB_CNTRL = ARB_CORE_PARK | 0x234;
 590
 591         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 592
 593         /* reading Mainstone's "Virtual Configuration Register"
 594            might be handy to select LCD type here */
 595         if (0)
 596                 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
 597         else
 598                 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
 599
 600         set_pxa_fb_info(&mainstone_pxafb_info);
 601         mainstone_backlight_register();
 602
 603         pxa_set_mci_info(&mainstone_mci_platform_data);
 604         pxa_set_ficp_info(&mainstone_ficp_platform_data);
 605         pxa_set_ohci_info(&mainstone_ohci_platform_data);
 606         pxa_set_i2c_info(NULL);
 607         pxa_set_ac97_info(&mst_audio_ops);
 608
 609         mainstone_init_keypad();
 610 }
 611
 612
 613 static struct map_desc mainstone_io_desc[] __initdata = {
 614         {       /* CPLD */
 615                 .virtual        =  MST_FPGA_VIRT,
 616                 .pfn            = __phys_to_pfn(MST_FPGA_PHYS),
 617                 .length         = 0x00100000,
 618                 .type           = MT_DEVICE
 619         }
 620 };
 621
 622 static void __init mainstone_map_io(void)
 623 {
 624         pxa_map_io();
 625         iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
 626
 627         /*      for use I SRAM as framebuffer.  */
 628         PSLR |= 0xF04;
 629         PCFR = 0x66;
 630 }
 631
 632 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
 633         /* Maintainer: MontaVista Software Inc. */
 634         .phys_io        = 0x40000000,
 635         .boot_params    = 0xa0000100,   /* BLOB boot parameter setting */
 636         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 637         .map_io         = mainstone_map_io,
 638         .init_irq       = mainstone_init_irq,
 639         .timer          = &pxa_timer,
 640         .init_machine   = mainstone_init,
 641 MACHINE_END