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