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/backlight.h>
  27 #include <linux/input.h>
  28 #include <linux/gpio_keys.h>
  29
  30 #include <asm/types.h>
  31 #include <asm/setup.h>
  32 #include <asm/memory.h>
  33 #include <asm/mach-types.h>
  34 #include <asm/hardware.h>
  35 #include <asm/irq.h>
  36 #include <asm/sizes.h>
  37
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40 #include <asm/mach/irq.h>
  41 #include <asm/mach/flash.h>
  42
  43 #include <asm/arch/pxa-regs.h>
  44 #include <asm/arch/pxa2xx-regs.h>
  45 #include <asm/arch/mfp-pxa27x.h>
  46 #include <asm/arch/mainstone.h>
  47 #include <asm/arch/audio.h>
  48 #include <asm/arch/pxafb.h>
  49 #include <asm/arch/i2c.h>
  50 #include <asm/arch/mmc.h>
  51 #include <asm/arch/irda.h>
  52 #include <asm/arch/ohci.h>
  53 #include <asm/arch/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        | WAKEUP_ON_LEVEL_HIGH,
 114         GPIO94_KP_DKIN_1        | WAKEUP_ON_LEVEL_HIGH,
 115         GPIO95_KP_DKIN_2        | WAKEUP_ON_LEVEL_HIGH,
 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         /* GPIO */
 131         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
 132 };
 133
 134 static unsigned long mainstone_irq_enabled;
 135
 136 static void mainstone_mask_irq(unsigned int irq)
 137 {
 138         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
 139         MST_INTMSKENA = (mainstone_irq_enabled &= ~(1 << mainstone_irq));
 140 }
 141
 142 static void mainstone_unmask_irq(unsigned int irq)
 143 {
 144         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
 145         /* the irq can be acknowledged only if deasserted, so it's done here */
 146         MST_INTSETCLR &= ~(1 << mainstone_irq);
 147         MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq));
 148 }
 149
 150 static struct irq_chip mainstone_irq_chip = {
 151         .name           = "FPGA",
 152         .ack            = mainstone_mask_irq,
 153         .mask           = mainstone_mask_irq,
 154         .unmask         = mainstone_unmask_irq,
 155 };
 156
 157 static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
 158 {
 159         unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
 160         do {
 161                 GEDR(0) = GPIO_bit(0);  /* clear useless edge notification */
 162                 if (likely(pending)) {
 163                         irq = MAINSTONE_IRQ(0) + __ffs(pending);
 164                         desc = irq_desc + irq;
 165                         desc_handle_irq(irq, desc);
 166                 }
 167                 pending = MST_INTSETCLR & mainstone_irq_enabled;
 168         } while (pending);
 169 }
 170
 171 static void __init mainstone_init_irq(void)
 172 {
 173         int irq;
 174
 175         pxa27x_init_irq();
 176
 177         /* setup extra Mainstone irqs */
 178         for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {
 179                 set_irq_chip(irq, &mainstone_irq_chip);
 180                 set_irq_handler(irq, handle_level_irq);
 181                 if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14))
 182                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN);
 183                 else
 184                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
 185         }
 186         set_irq_flags(MAINSTONE_IRQ(8), 0);
 187         set_irq_flags(MAINSTONE_IRQ(12), 0);
 188
 189         MST_INTMSKENA = 0;
 190         MST_INTSETCLR = 0;
 191
 192         set_irq_chained_handler(IRQ_GPIO(0), mainstone_irq_handler);
 193         set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
 194 }
 195
 196 #ifdef CONFIG_PM
 197
 198 static int mainstone_irq_resume(struct sys_device *dev)
 199 {
 200         MST_INTMSKENA = mainstone_irq_enabled;
 201         return 0;
 202 }
 203
 204 static struct sysdev_class mainstone_irq_sysclass = {
 205         .name = "cpld_irq",
 206         .resume = mainstone_irq_resume,
 207 };
 208
 209 static struct sys_device mainstone_irq_device = {
 210         .cls = &mainstone_irq_sysclass,
 211 };
 212
 213 static int __init mainstone_irq_device_init(void)
 214 {
 215         int ret = -ENODEV;
 216
 217         if (machine_is_mainstone()) {
 218                 ret = sysdev_class_register(&mainstone_irq_sysclass);
 219                 if (ret == 0)
 220                         ret = sysdev_register(&mainstone_irq_device);
 221         }
 222         return ret;
 223 }
 224
 225 device_initcall(mainstone_irq_device_init);
 226
 227 #endif
 228
 229
 230 static struct resource smc91x_resources[] = {
 231         [0] = {
 232                 .start  = (MST_ETH_PHYS + 0x300),
 233                 .end    = (MST_ETH_PHYS + 0xfffff),
 234                 .flags  = IORESOURCE_MEM,
 235         },
 236         [1] = {
 237                 .start  = MAINSTONE_IRQ(3),
 238                 .end    = MAINSTONE_IRQ(3),
 239                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 240         }
 241 };
 242
 243 static struct platform_device smc91x_device = {
 244         .name           = "smc91x",
 245         .id             = 0,
 246         .num_resources  = ARRAY_SIZE(smc91x_resources),
 247         .resource       = smc91x_resources,
 248 };
 249
 250 static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
 251 {
 252         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 253                 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
 254         return 0;
 255 }
 256
 257 static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
 258 {
 259         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 260                 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
 261 }
 262
 263 static long mst_audio_suspend_mask;
 264
 265 static void mst_audio_suspend(void *priv)
 266 {
 267         mst_audio_suspend_mask = MST_MSCWR2;
 268         MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
 269 }
 270
 271 static void mst_audio_resume(void *priv)
 272 {
 273         MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
 274 }
 275
 276 static pxa2xx_audio_ops_t mst_audio_ops = {
 277         .startup        = mst_audio_startup,
 278         .shutdown       = mst_audio_shutdown,
 279         .suspend        = mst_audio_suspend,
 280         .resume         = mst_audio_resume,
 281 };
 282
 283 static struct platform_device mst_audio_device = {
 284         .name           = "pxa2xx-ac97",
 285         .id             = -1,
 286         .dev            = { .platform_data = &mst_audio_ops },
 287 };
 288
 289 static struct resource flash_resources[] = {
 290         [0] = {
 291                 .start  = PXA_CS0_PHYS,
 292                 .end    = PXA_CS0_PHYS + SZ_64M - 1,
 293                 .flags  = IORESOURCE_MEM,
 294         },
 295         [1] = {
 296                 .start  = PXA_CS1_PHYS,
 297                 .end    = PXA_CS1_PHYS + SZ_64M - 1,
 298                 .flags  = IORESOURCE_MEM,
 299         },
 300 };
 301
 302 static struct mtd_partition mainstoneflash0_partitions[] = {
 303         {
 304                 .name =         "Bootloader",
 305                 .size =         0x00040000,
 306                 .offset =       0,
 307                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 308         },{
 309                 .name =         "Kernel",
 310                 .size =         0x00400000,
 311                 .offset =       0x00040000,
 312         },{
 313                 .name =         "Filesystem",
 314                 .size =         MTDPART_SIZ_FULL,
 315                 .offset =       0x00440000
 316         }
 317 };
 318
 319 static struct flash_platform_data mst_flash_data[2] = {
 320         {
 321                 .map_name       = "cfi_probe",
 322                 .parts          = mainstoneflash0_partitions,
 323                 .nr_parts       = ARRAY_SIZE(mainstoneflash0_partitions),
 324         }, {
 325                 .map_name       = "cfi_probe",
 326                 .parts          = NULL,
 327                 .nr_parts       = 0,
 328         }
 329 };
 330
 331 static struct platform_device mst_flash_device[2] = {
 332         {
 333                 .name           = "pxa2xx-flash",
 334                 .id             = 0,
 335                 .dev = {
 336                         .platform_data = &mst_flash_data[0],
 337                 },
 338                 .resource = &flash_resources[0],
 339                 .num_resources = 1,
 340         },
 341         {
 342                 .name           = "pxa2xx-flash",
 343                 .id             = 1,
 344                 .dev = {
 345                         .platform_data = &mst_flash_data[1],
 346                 },
 347                 .resource = &flash_resources[1],
 348                 .num_resources = 1,
 349         },
 350 };
 351
 352 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 353 static int mainstone_backlight_update_status(struct backlight_device *bl)
 354 {
 355         int brightness = bl->props.brightness;
 356
 357         if (bl->props.power != FB_BLANK_UNBLANK ||
 358             bl->props.fb_blank != FB_BLANK_UNBLANK)
 359                 brightness = 0;
 360
 361         if (brightness != 0)
 362                 pxa_set_cken(CKEN_PWM0, 1);
 363
 364         PWM_CTRL0 = 0;
 365         PWM_PWDUTY0 = brightness;
 366         PWM_PERVAL0 = bl->props.max_brightness;
 367
 368         if (brightness == 0)
 369                 pxa_set_cken(CKEN_PWM0, 0);
 370         return 0; /* pointless return value */
 371 }
 372
 373 static int mainstone_backlight_get_brightness(struct backlight_device *bl)
 374 {
 375         return PWM_PWDUTY0;
 376 }
 377
 378 static /*const*/ struct backlight_ops mainstone_backlight_ops = {
 379         .update_status  = mainstone_backlight_update_status,
 380         .get_brightness = mainstone_backlight_get_brightness,
 381 };
 382
 383 static void __init mainstone_backlight_register(void)
 384 {
 385         struct backlight_device *bl;
 386
 387         bl = backlight_device_register("mainstone-bl", &pxa_device_fb.dev,
 388                                        NULL, &mainstone_backlight_ops);
 389         if (IS_ERR(bl)) {
 390                 printk(KERN_ERR "mainstone: unable to register backlight: %ld\n",
 391                        PTR_ERR(bl));
 392                 return;
 393         }
 394
 395         /*
 396          * broken design - register-then-setup interfaces are
 397          * utterly broken by definition.
 398          */
 399         bl->props.max_brightness = 1023;
 400         bl->props.brightness = 1023;
 401         backlight_update_status(bl);
 402 }
 403 #else
 404 #define mainstone_backlight_register()  do { } while (0)
 405 #endif
 406
 407 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
 408         .pixclock               = 50000,
 409         .xres                   = 640,
 410         .yres                   = 480,
 411         .bpp                    = 16,
 412         .hsync_len              = 1,
 413         .left_margin            = 0x9f,
 414         .right_margin           = 1,
 415         .vsync_len              = 44,
 416         .upper_margin           = 0,
 417         .lower_margin           = 0,
 418         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 419 };
 420
 421 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
 422         .pixclock               = 110000,
 423         .xres                   = 240,
 424         .yres                   = 320,
 425         .bpp                    = 16,
 426         .hsync_len              = 4,
 427         .left_margin            = 8,
 428         .right_margin           = 20,
 429         .vsync_len              = 3,
 430         .upper_margin           = 1,
 431         .lower_margin           = 10,
 432         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 433 };
 434
 435 static struct pxafb_mach_info mainstone_pxafb_info = {
 436         .num_modes              = 1,
 437         .lccr0                  = LCCR0_Act,
 438         .lccr3                  = LCCR3_PCP,
 439 };
 440
 441 static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
 442 {
 443         int err;
 444
 445         /* make sure SD/Memory Stick multiplexer's signals
 446          * are routed to MMC controller
 447          */
 448         MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 449
 450         err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
 451                              "MMC card detect", data);
 452         if (err)
 453                 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 454
 455         return err;
 456 }
 457
 458 static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
 459 {
 460         struct pxamci_platform_data* p_d = dev->platform_data;
 461
 462         if (( 1 << vdd) & p_d->ocr_mask) {
 463                 printk(KERN_DEBUG "%s: on\n", __func__);
 464                 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
 465                 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 466         } else {
 467                 printk(KERN_DEBUG "%s: off\n", __func__);
 468                 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
 469         }
 470 }
 471
 472 static void mainstone_mci_exit(struct device *dev, void *data)
 473 {
 474         free_irq(MAINSTONE_MMC_IRQ, data);
 475 }
 476
 477 static struct pxamci_platform_data mainstone_mci_platform_data = {
 478         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 479         .init           = mainstone_mci_init,
 480         .setpower       = mainstone_mci_setpower,
 481         .exit           = mainstone_mci_exit,
 482 };
 483
 484 static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
 485 {
 486         unsigned long flags;
 487
 488         local_irq_save(flags);
 489         if (mode & IR_SIRMODE) {
 490                 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
 491         } else if (mode & IR_FIRMODE) {
 492                 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
 493         }
 494         if (mode & IR_OFF) {
 495                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
 496         } else {
 497                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
 498         }
 499         local_irq_restore(flags);
 500 }
 501
 502 static struct pxaficp_platform_data mainstone_ficp_platform_data = {
 503         .transceiver_cap  = IR_SIRMODE | IR_FIRMODE | IR_OFF,
 504         .transceiver_mode = mainstone_irda_transceiver_mode,
 505 };
 506
 507 static struct gpio_keys_button gpio_keys_button[] = {
 508         [0] = {
 509                 .desc   = "wakeup",
 510                 .code   = KEY_SUSPEND,
 511                 .type   = EV_KEY,
 512                 .gpio   = 1,
 513                 .wakeup = 1,
 514         },
 515 };
 516
 517 static struct gpio_keys_platform_data mainstone_gpio_keys = {
 518         .buttons        = gpio_keys_button,
 519         .nbuttons       = 1,
 520 };
 521
 522 static struct platform_device mst_gpio_keys_device = {
 523         .name           = "gpio-keys",
 524         .id             = -1,
 525         .dev            = {
 526                 .platform_data  = &mainstone_gpio_keys,
 527         },
 528 };
 529
 530 static struct platform_device *platform_devices[] __initdata = {
 531         &smc91x_device,
 532         &mst_audio_device,
 533         &mst_flash_device[0],
 534         &mst_flash_device[1],
 535         &mst_gpio_keys_device,
 536 };
 537
 538 static int mainstone_ohci_init(struct device *dev)
 539 {
 540         /* Set the Power Control Polarity Low and Power Sense
 541            Polarity Low to active low. */
 542         UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
 543                 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
 544
 545         return 0;
 546 }
 547
 548 static struct pxaohci_platform_data mainstone_ohci_platform_data = {
 549         .port_mode      = PMM_PERPORT_MODE,
 550         .init           = mainstone_ohci_init,
 551 };
 552
 553 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULES)
 554 static unsigned int mainstone_matrix_keys[] = {
 555         KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
 556         KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
 557         KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
 558         KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
 559         KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
 560         KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
 561         KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
 562         KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
 563         KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
 564
 565         KEY(0, 4, KEY_DOT),     /* . */
 566         KEY(1, 4, KEY_CLOSE),   /* @ */
 567         KEY(4, 4, KEY_SLASH),
 568         KEY(5, 4, KEY_BACKSLASH),
 569         KEY(0, 5, KEY_HOME),
 570         KEY(1, 5, KEY_LEFTSHIFT),
 571         KEY(2, 5, KEY_SPACE),
 572         KEY(3, 5, KEY_SPACE),
 573         KEY(4, 5, KEY_ENTER),
 574         KEY(5, 5, KEY_BACKSPACE),
 575
 576         KEY(0, 6, KEY_UP),
 577         KEY(1, 6, KEY_DOWN),
 578         KEY(2, 6, KEY_LEFT),
 579         KEY(3, 6, KEY_RIGHT),
 580         KEY(4, 6, KEY_SELECT),
 581 };
 582
 583 struct pxa27x_keypad_platform_data mainstone_keypad_info = {
 584         .matrix_key_rows        = 6,
 585         .matrix_key_cols        = 7,
 586         .matrix_key_map         = mainstone_matrix_keys,
 587         .matrix_key_map_size    = ARRAY_SIZE(mainstone_matrix_keys),
 588
 589         .enable_rotary0         = 1,
 590         .rotary0_up_key         = KEY_UP,
 591         .rotary0_down_key       = KEY_DOWN,
 592
 593         .debounce_interval      = 30,
 594 };
 595
 596 static void __init mainstone_init_keypad(void)
 597 {
 598         pxa_set_keypad_info(&mainstone_keypad_info);
 599 }
 600 #else
 601 static inline void mainstone_init_keypad(void) {}
 602 #endif
 603
 604 static void __init mainstone_init(void)
 605 {
 606         int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
 607
 608         pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
 609
 610         mst_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4;
 611         mst_flash_data[1].width = 4;
 612
 613         /* Compensate for SW7 which swaps the flash banks */
 614         mst_flash_data[SW7].name = "processor-flash";
 615         mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
 616
 617         printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
 618                mst_flash_data[0].name);
 619
 620         /* system bus arbiter setting
 621          * - Core_Park
 622          * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
 623          */
 624         ARB_CNTRL = ARB_CORE_PARK | 0x234;
 625
 626         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 627
 628         /* reading Mainstone's "Virtual Configuration Register"
 629            might be handy to select LCD type here */
 630         if (0)
 631                 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
 632         else
 633                 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
 634
 635         set_pxa_fb_info(&mainstone_pxafb_info);
 636         mainstone_backlight_register();
 637
 638         pxa_set_mci_info(&mainstone_mci_platform_data);
 639         pxa_set_ficp_info(&mainstone_ficp_platform_data);
 640         pxa_set_ohci_info(&mainstone_ohci_platform_data);
 641         pxa_set_i2c_info(NULL);
 642
 643         mainstone_init_keypad();
 644 }
 645
 646
 647 static struct map_desc mainstone_io_desc[] __initdata = {
 648         {       /* CPLD */
 649                 .virtual        =  MST_FPGA_VIRT,
 650                 .pfn            = __phys_to_pfn(MST_FPGA_PHYS),
 651                 .length         = 0x00100000,
 652                 .type           = MT_DEVICE
 653         }
 654 };
 655
 656 static void __init mainstone_map_io(void)
 657 {
 658         pxa_map_io();
 659         iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
 660
 661         /*      for use I SRAM as framebuffer.  */
 662         PSLR |= 0xF04;
 663         PCFR = 0x66;
 664 }
 665
 666 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
 667         /* Maintainer: MontaVista Software Inc. */
 668         .phys_io        = 0x40000000,
 669         .boot_params    = 0xa0000100,   /* BLOB boot parameter setting */
 670         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 671         .map_io         = mainstone_map_io,
 672         .init_irq       = mainstone_init_irq,
 673         .timer          = &pxa_timer,
 674         .init_machine   = mainstone_init,
 675 MACHINE_END