err.no Git - linux-2.6/blob - 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/mmc.h>
  50 #include <asm/arch/irda.h>
  51 #include <asm/arch/ohci.h>
  52
  53 #include "generic.h"
  54 #include "devices.h"
  55
  56 static unsigned long mainstone_pin_config[] = {
  57         /* Chip Select */
  58         GPIO15_nCS_1,
  59
  60         /* LCD - 16bpp Active TFT */
  61         GPIO58_LCD_LDD_0,
  62         GPIO59_LCD_LDD_1,
  63         GPIO60_LCD_LDD_2,
  64         GPIO61_LCD_LDD_3,
  65         GPIO62_LCD_LDD_4,
  66         GPIO63_LCD_LDD_5,
  67         GPIO64_LCD_LDD_6,
  68         GPIO65_LCD_LDD_7,
  69         GPIO66_LCD_LDD_8,
  70         GPIO67_LCD_LDD_9,
  71         GPIO68_LCD_LDD_10,
  72         GPIO69_LCD_LDD_11,
  73         GPIO70_LCD_LDD_12,
  74         GPIO71_LCD_LDD_13,
  75         GPIO72_LCD_LDD_14,
  76         GPIO73_LCD_LDD_15,
  77         GPIO74_LCD_FCLK,
  78         GPIO75_LCD_LCLK,
  79         GPIO76_LCD_PCLK,
  80         GPIO77_LCD_BIAS,
  81         GPIO16_PWM0_OUT,        /* Backlight */
  82
  83         /* MMC */
  84         GPIO32_MMC_CLK,
  85         GPIO112_MMC_CMD,
  86         GPIO92_MMC_DAT_0,
  87         GPIO109_MMC_DAT_1,
  88         GPIO110_MMC_DAT_2,
  89         GPIO111_MMC_DAT_3,
  90
  91         /* USB Host Port 1 */
  92         GPIO88_USBH1_PWR,
  93         GPIO89_USBH1_PEN,
  94
  95         /* PC Card */
  96         GPIO48_nPOE,
  97         GPIO49_nPWE,
  98         GPIO50_nPIOR,
  99         GPIO51_nPIOW,
 100         GPIO85_nPCE_1,
 101         GPIO54_nPCE_2,
 102         GPIO79_PSKTSEL,
 103         GPIO55_nPREG,
 104         GPIO56_nPWAIT,
 105         GPIO57_nIOIS16,
 106
 107         /* AC97 */
 108         GPIO45_AC97_SYSCLK,
 109
 110         /* Keypad */
 111         GPIO93_KP_DKIN_0        | WAKEUP_ON_LEVEL_HIGH,
 112         GPIO94_KP_DKIN_1        | WAKEUP_ON_LEVEL_HIGH,
 113         GPIO95_KP_DKIN_2        | WAKEUP_ON_LEVEL_HIGH,
 114         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
 115         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
 116         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
 117         GPIO97_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
 118         GPIO98_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
 119         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
 120         GPIO103_KP_MKOUT_0,
 121         GPIO104_KP_MKOUT_1,
 122         GPIO105_KP_MKOUT_2,
 123         GPIO106_KP_MKOUT_3,
 124         GPIO107_KP_MKOUT_4,
 125         GPIO108_KP_MKOUT_5,
 126         GPIO96_KP_MKOUT_6,
 127
 128         /* GPIO */
 129         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
 130 };
 131
 132 static unsigned long mainstone_irq_enabled;
 133
 134 static void mainstone_mask_irq(unsigned int irq)
 135 {
 136         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
 137         MST_INTMSKENA = (mainstone_irq_enabled &= ~(1 << mainstone_irq));
 138 }
 139
 140 static void mainstone_unmask_irq(unsigned int irq)
 141 {
 142         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
 143         /* the irq can be acknowledged only if deasserted, so it's done here */
 144         MST_INTSETCLR &= ~(1 << mainstone_irq);
 145         MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq));
 146 }
 147
 148 static struct irq_chip mainstone_irq_chip = {
 149         .name           = "FPGA",
 150         .ack            = mainstone_mask_irq,
 151         .mask           = mainstone_mask_irq,
 152         .unmask         = mainstone_unmask_irq,
 153 };
 154
 155 static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
 156 {
 157         unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
 158         do {
 159                 GEDR(0) = GPIO_bit(0);  /* clear useless edge notification */
 160                 if (likely(pending)) {
 161                         irq = MAINSTONE_IRQ(0) + __ffs(pending);
 162                         desc = irq_desc + irq;
 163                         desc_handle_irq(irq, desc);
 164                 }
 165                 pending = MST_INTSETCLR & mainstone_irq_enabled;
 166         } while (pending);
 167 }
 168
 169 static void __init mainstone_init_irq(void)
 170 {
 171         int irq;
 172
 173         pxa27x_init_irq();
 174
 175         /* setup extra Mainstone irqs */
 176         for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {
 177                 set_irq_chip(irq, &mainstone_irq_chip);
 178                 set_irq_handler(irq, handle_level_irq);
 179                 if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14))
 180                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN);
 181                 else
 182                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
 183         }
 184         set_irq_flags(MAINSTONE_IRQ(8), 0);
 185         set_irq_flags(MAINSTONE_IRQ(12), 0);
 186
 187         MST_INTMSKENA = 0;
 188         MST_INTSETCLR = 0;
 189
 190         set_irq_chained_handler(IRQ_GPIO(0), mainstone_irq_handler);
 191         set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
 192 }
 193
 194 #ifdef CONFIG_PM
 195
 196 static int mainstone_irq_resume(struct sys_device *dev)
 197 {
 198         MST_INTMSKENA = mainstone_irq_enabled;
 199         return 0;
 200 }
 201
 202 static struct sysdev_class mainstone_irq_sysclass = {
 203         .name = "cpld_irq",
 204         .resume = mainstone_irq_resume,
 205 };
 206
 207 static struct sys_device mainstone_irq_device = {
 208         .cls = &mainstone_irq_sysclass,
 209 };
 210
 211 static int __init mainstone_irq_device_init(void)
 212 {
 213         int ret = -ENODEV;
 214
 215         if (machine_is_mainstone()) {
 216                 ret = sysdev_class_register(&mainstone_irq_sysclass);
 217                 if (ret == 0)
 218                         ret = sysdev_register(&mainstone_irq_device);
 219         }
 220         return ret;
 221 }
 222
 223 device_initcall(mainstone_irq_device_init);
 224
 225 #endif
 226
 227
 228 static struct resource smc91x_resources[] = {
 229         [0] = {
 230                 .start  = (MST_ETH_PHYS + 0x300),
 231                 .end    = (MST_ETH_PHYS + 0xfffff),
 232                 .flags  = IORESOURCE_MEM,
 233         },
 234         [1] = {
 235                 .start  = MAINSTONE_IRQ(3),
 236                 .end    = MAINSTONE_IRQ(3),
 237                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 238         }
 239 };
 240
 241 static struct platform_device smc91x_device = {
 242         .name           = "smc91x",
 243         .id             = 0,
 244         .num_resources  = ARRAY_SIZE(smc91x_resources),
 245         .resource       = smc91x_resources,
 246 };
 247
 248 static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
 249 {
 250         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 251                 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
 252         return 0;
 253 }
 254
 255 static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
 256 {
 257         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 258                 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
 259 }
 260
 261 static long mst_audio_suspend_mask;
 262
 263 static void mst_audio_suspend(void *priv)
 264 {
 265         mst_audio_suspend_mask = MST_MSCWR2;
 266         MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
 267 }
 268
 269 static void mst_audio_resume(void *priv)
 270 {
 271         MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
 272 }
 273
 274 static pxa2xx_audio_ops_t mst_audio_ops = {
 275         .startup        = mst_audio_startup,
 276         .shutdown       = mst_audio_shutdown,
 277         .suspend        = mst_audio_suspend,
 278         .resume         = mst_audio_resume,
 279 };
 280
 281 static struct platform_device mst_audio_device = {
 282         .name           = "pxa2xx-ac97",
 283         .id             = -1,
 284         .dev            = { .platform_data = &mst_audio_ops },
 285 };
 286
 287 static struct resource flash_resources[] = {
 288         [0] = {
 289                 .start  = PXA_CS0_PHYS,
 290                 .end    = PXA_CS0_PHYS + SZ_64M - 1,
 291                 .flags  = IORESOURCE_MEM,
 292         },
 293         [1] = {
 294                 .start  = PXA_CS1_PHYS,
 295                 .end    = PXA_CS1_PHYS + SZ_64M - 1,
 296                 .flags  = IORESOURCE_MEM,
 297         },
 298 };
 299
 300 static struct mtd_partition mainstoneflash0_partitions[] = {
 301         {
 302                 .name =         "Bootloader",
 303                 .size =         0x00040000,
 304                 .offset =       0,
 305                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 306         },{
 307                 .name =         "Kernel",
 308                 .size =         0x00400000,
 309                 .offset =       0x00040000,
 310         },{
 311                 .name =         "Filesystem",
 312                 .size =         MTDPART_SIZ_FULL,
 313                 .offset =       0x00440000
 314         }
 315 };
 316
 317 static struct flash_platform_data mst_flash_data[2] = {
 318         {
 319                 .map_name       = "cfi_probe",
 320                 .parts          = mainstoneflash0_partitions,
 321                 .nr_parts       = ARRAY_SIZE(mainstoneflash0_partitions),
 322         }, {
 323                 .map_name       = "cfi_probe",
 324                 .parts          = NULL,
 325                 .nr_parts       = 0,
 326         }
 327 };
 328
 329 static struct platform_device mst_flash_device[2] = {
 330         {
 331                 .name           = "pxa2xx-flash",
 332                 .id             = 0,
 333                 .dev = {
 334                         .platform_data = &mst_flash_data[0],
 335                 },
 336                 .resource = &flash_resources[0],
 337                 .num_resources = 1,
 338         },
 339         {
 340                 .name           = "pxa2xx-flash",
 341                 .id             = 1,
 342                 .dev = {
 343                         .platform_data = &mst_flash_data[1],
 344                 },
 345                 .resource = &flash_resources[1],
 346                 .num_resources = 1,
 347         },
 348 };
 349
 350 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 351 static int mainstone_backlight_update_status(struct backlight_device *bl)
 352 {
 353         int brightness = bl->props.brightness;
 354
 355         if (bl->props.power != FB_BLANK_UNBLANK ||
 356             bl->props.fb_blank != FB_BLANK_UNBLANK)
 357                 brightness = 0;
 358
 359         if (brightness != 0)
 360                 pxa_set_cken(CKEN_PWM0, 1);
 361
 362         PWM_CTRL0 = 0;
 363         PWM_PWDUTY0 = brightness;
 364         PWM_PERVAL0 = bl->props.max_brightness;
 365
 366         if (brightness == 0)
 367                 pxa_set_cken(CKEN_PWM0, 0);
 368         return 0; /* pointless return value */
 369 }
 370
 371 static int mainstone_backlight_get_brightness(struct backlight_device *bl)
 372 {
 373         return PWM_PWDUTY0;
 374 }
 375
 376 static /*const*/ struct backlight_ops mainstone_backlight_ops = {
 377         .update_status  = mainstone_backlight_update_status,
 378         .get_brightness = mainstone_backlight_get_brightness,
 379 };
 380
 381 static void __init mainstone_backlight_register(void)
 382 {
 383         struct backlight_device *bl;
 384
 385         bl = backlight_device_register("mainstone-bl", &pxa_device_fb.dev,
 386                                        NULL, &mainstone_backlight_ops);
 387         if (IS_ERR(bl)) {
 388                 printk(KERN_ERR "mainstone: unable to register backlight: %ld\n",
 389                        PTR_ERR(bl));
 390                 return;
 391         }
 392
 393         /*
 394          * broken design - register-then-setup interfaces are
 395          * utterly broken by definition.
 396          */
 397         bl->props.max_brightness = 1023;
 398         bl->props.brightness = 1023;
 399         backlight_update_status(bl);
 400 }
 401 #else
 402 #define mainstone_backlight_register()  do { } while (0)
 403 #endif
 404
 405 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
 406         .pixclock               = 50000,
 407         .xres                   = 640,
 408         .yres                   = 480,
 409         .bpp                    = 16,
 410         .hsync_len              = 1,
 411         .left_margin            = 0x9f,
 412         .right_margin           = 1,
 413         .vsync_len              = 44,
 414         .upper_margin           = 0,
 415         .lower_margin           = 0,
 416         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 417 };
 418
 419 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
 420         .pixclock               = 110000,
 421         .xres                   = 240,
 422         .yres                   = 320,
 423         .bpp                    = 16,
 424         .hsync_len              = 4,
 425         .left_margin            = 8,
 426         .right_margin           = 20,
 427         .vsync_len              = 3,
 428         .upper_margin           = 1,
 429         .lower_margin           = 10,
 430         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 431 };
 432
 433 static struct pxafb_mach_info mainstone_pxafb_info = {
 434         .num_modes              = 1,
 435         .lccr0                  = LCCR0_Act,
 436         .lccr3                  = LCCR3_PCP,
 437 };
 438
 439 static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
 440 {
 441         int err;
 442
 443         /* make sure SD/Memory Stick multiplexer's signals
 444          * are routed to MMC controller
 445          */
 446         MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 447
 448         err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
 449                              "MMC card detect", data);
 450         if (err)
 451                 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 452
 453         return err;
 454 }
 455
 456 static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
 457 {
 458         struct pxamci_platform_data* p_d = dev->platform_data;
 459
 460         if (( 1 << vdd) & p_d->ocr_mask) {
 461                 printk(KERN_DEBUG "%s: on\n", __func__);
 462                 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
 463                 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 464         } else {
 465                 printk(KERN_DEBUG "%s: off\n", __func__);
 466                 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
 467         }
 468 }
 469
 470 static void mainstone_mci_exit(struct device *dev, void *data)
 471 {
 472         free_irq(MAINSTONE_MMC_IRQ, data);
 473 }
 474
 475 static struct pxamci_platform_data mainstone_mci_platform_data = {
 476         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 477         .init           = mainstone_mci_init,
 478         .setpower       = mainstone_mci_setpower,
 479         .exit           = mainstone_mci_exit,
 480 };
 481
 482 static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
 483 {
 484         unsigned long flags;
 485
 486         local_irq_save(flags);
 487         if (mode & IR_SIRMODE) {
 488                 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
 489         } else if (mode & IR_FIRMODE) {
 490                 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
 491         }
 492         if (mode & IR_OFF) {
 493                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
 494         } else {
 495                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
 496         }
 497         local_irq_restore(flags);
 498 }
 499
 500 static struct pxaficp_platform_data mainstone_ficp_platform_data = {
 501         .transceiver_cap  = IR_SIRMODE | IR_FIRMODE | IR_OFF,
 502         .transceiver_mode = mainstone_irda_transceiver_mode,
 503 };
 504
 505 static struct gpio_keys_button gpio_keys_button[] = {
 506         [0] = {
 507                 .desc   = "wakeup",
 508                 .code   = KEY_SUSPEND,
 509                 .type   = EV_KEY,
 510                 .gpio   = 1,
 511                 .wakeup = 1,
 512         },
 513 };
 514
 515 static struct gpio_keys_platform_data mainstone_gpio_keys = {
 516         .buttons        = gpio_keys_button,
 517         .nbuttons       = 1,
 518 };
 519
 520 static struct platform_device mst_gpio_keys_device = {
 521         .name           = "gpio-keys",
 522         .id             = -1,
 523         .dev            = {
 524                 .platform_data  = &mainstone_gpio_keys,
 525         },
 526 };
 527
 528 static struct platform_device *platform_devices[] __initdata = {
 529         &smc91x_device,
 530         &mst_audio_device,
 531         &mst_flash_device[0],
 532         &mst_flash_device[1],
 533         &mst_gpio_keys_device,
 534 };
 535
 536 static int mainstone_ohci_init(struct device *dev)
 537 {
 538         /* Set the Power Control Polarity Low and Power Sense
 539            Polarity Low to active low. */
 540         UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
 541                 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
 542
 543         return 0;
 544 }
 545
 546 static struct pxaohci_platform_data mainstone_ohci_platform_data = {
 547         .port_mode      = PMM_PERPORT_MODE,
 548         .init           = mainstone_ohci_init,
 549 };
 550
 551 static void __init mainstone_init(void)
 552 {
 553         int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
 554
 555         pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
 556
 557         mst_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4;
 558         mst_flash_data[1].width = 4;
 559
 560         /* Compensate for SW7 which swaps the flash banks */
 561         mst_flash_data[SW7].name = "processor-flash";
 562         mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
 563
 564         printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
 565                mst_flash_data[0].name);
 566
 567         /* system bus arbiter setting
 568          * - Core_Park
 569          * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
 570          */
 571         ARB_CNTRL = ARB_CORE_PARK | 0x234;
 572
 573         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 574
 575         /* reading Mainstone's "Virtual Configuration Register"
 576            might be handy to select LCD type here */
 577         if (0)
 578                 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
 579         else
 580                 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
 581
 582         set_pxa_fb_info(&mainstone_pxafb_info);
 583         mainstone_backlight_register();
 584
 585         pxa_set_mci_info(&mainstone_mci_platform_data);
 586         pxa_set_ficp_info(&mainstone_ficp_platform_data);
 587         pxa_set_ohci_info(&mainstone_ohci_platform_data);
 588 }
 589
 590
 591 static struct map_desc mainstone_io_desc[] __initdata = {
 592         {       /* CPLD */
 593                 .virtual        =  MST_FPGA_VIRT,
 594                 .pfn            = __phys_to_pfn(MST_FPGA_PHYS),
 595                 .length         = 0x00100000,
 596                 .type           = MT_DEVICE
 597         }
 598 };
 599
 600 static void __init mainstone_map_io(void)
 601 {
 602         pxa_map_io();
 603         iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
 604
 605         /*      for use I SRAM as framebuffer.  */
 606         PSLR |= 0xF04;
 607         PCFR = 0x66;
 608 }
 609
 610 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
 611         /* Maintainer: MontaVista Software Inc. */
 612         .phys_io        = 0x40000000,
 613         .boot_params    = 0xa0000100,   /* BLOB boot parameter setting */
 614         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 615         .map_io         = mainstone_map_io,
 616         .init_irq       = mainstone_init_irq,
 617         .timer          = &pxa_timer,
 618         .init_machine   = mainstone_init,
 619 MACHINE_END