git.oblomov.eu 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 #include <asm/arch/pxa27x_keypad.h>
  53
  54 #include "generic.h"
  55 #include "devices.h"
  56
  57 static unsigned long mainstone_pin_config[] = {
  58         /* Chip Select */
  59         GPIO15_nCS_1,
  60
  61         /* LCD - 16bpp Active TFT */
  62         GPIO58_LCD_LDD_0,
  63         GPIO59_LCD_LDD_1,
  64         GPIO60_LCD_LDD_2,
  65         GPIO61_LCD_LDD_3,
  66         GPIO62_LCD_LDD_4,
  67         GPIO63_LCD_LDD_5,
  68         GPIO64_LCD_LDD_6,
  69         GPIO65_LCD_LDD_7,
  70         GPIO66_LCD_LDD_8,
  71         GPIO67_LCD_LDD_9,
  72         GPIO68_LCD_LDD_10,
  73         GPIO69_LCD_LDD_11,
  74         GPIO70_LCD_LDD_12,
  75         GPIO71_LCD_LDD_13,
  76         GPIO72_LCD_LDD_14,
  77         GPIO73_LCD_LDD_15,
  78         GPIO74_LCD_FCLK,
  79         GPIO75_LCD_LCLK,
  80         GPIO76_LCD_PCLK,
  81         GPIO77_LCD_BIAS,
  82         GPIO16_PWM0_OUT,        /* Backlight */
  83
  84         /* MMC */
  85         GPIO32_MMC_CLK,
  86         GPIO112_MMC_CMD,
  87         GPIO92_MMC_DAT_0,
  88         GPIO109_MMC_DAT_1,
  89         GPIO110_MMC_DAT_2,
  90         GPIO111_MMC_DAT_3,
  91
  92         /* USB Host Port 1 */
  93         GPIO88_USBH1_PWR,
  94         GPIO89_USBH1_PEN,
  95
  96         /* PC Card */
  97         GPIO48_nPOE,
  98         GPIO49_nPWE,
  99         GPIO50_nPIOR,
 100         GPIO51_nPIOW,
 101         GPIO85_nPCE_1,
 102         GPIO54_nPCE_2,
 103         GPIO79_PSKTSEL,
 104         GPIO55_nPREG,
 105         GPIO56_nPWAIT,
 106         GPIO57_nIOIS16,
 107
 108         /* AC97 */
 109         GPIO45_AC97_SYSCLK,
 110
 111         /* Keypad */
 112         GPIO93_KP_DKIN_0        | WAKEUP_ON_LEVEL_HIGH,
 113         GPIO94_KP_DKIN_1        | WAKEUP_ON_LEVEL_HIGH,
 114         GPIO95_KP_DKIN_2        | WAKEUP_ON_LEVEL_HIGH,
 115         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
 116         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
 117         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
 118         GPIO97_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
 119         GPIO98_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
 120         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
 121         GPIO103_KP_MKOUT_0,
 122         GPIO104_KP_MKOUT_1,
 123         GPIO105_KP_MKOUT_2,
 124         GPIO106_KP_MKOUT_3,
 125         GPIO107_KP_MKOUT_4,
 126         GPIO108_KP_MKOUT_5,
 127         GPIO96_KP_MKOUT_6,
 128
 129         /* GPIO */
 130         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
 131 };
 132
 133 static unsigned long mainstone_irq_enabled;
 134
 135 static void mainstone_mask_irq(unsigned int irq)
 136 {
 137         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
 138         MST_INTMSKENA = (mainstone_irq_enabled &= ~(1 << mainstone_irq));
 139 }
 140
 141 static void mainstone_unmask_irq(unsigned int irq)
 142 {
 143         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
 144         /* the irq can be acknowledged only if deasserted, so it's done here */
 145         MST_INTSETCLR &= ~(1 << mainstone_irq);
 146         MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq));
 147 }
 148
 149 static struct irq_chip mainstone_irq_chip = {
 150         .name           = "FPGA",
 151         .ack            = mainstone_mask_irq,
 152         .mask           = mainstone_mask_irq,
 153         .unmask         = mainstone_unmask_irq,
 154 };
 155
 156 static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
 157 {
 158         unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
 159         do {
 160                 GEDR(0) = GPIO_bit(0);  /* clear useless edge notification */
 161                 if (likely(pending)) {
 162                         irq = MAINSTONE_IRQ(0) + __ffs(pending);
 163                         desc = irq_desc + irq;
 164                         desc_handle_irq(irq, desc);
 165                 }
 166                 pending = MST_INTSETCLR & mainstone_irq_enabled;
 167         } while (pending);
 168 }
 169
 170 static void __init mainstone_init_irq(void)
 171 {
 172         int irq;
 173
 174         pxa27x_init_irq();
 175
 176         /* setup extra Mainstone irqs */
 177         for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {
 178                 set_irq_chip(irq, &mainstone_irq_chip);
 179                 set_irq_handler(irq, handle_level_irq);
 180                 if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14))
 181                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN);
 182                 else
 183                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
 184         }
 185         set_irq_flags(MAINSTONE_IRQ(8), 0);
 186         set_irq_flags(MAINSTONE_IRQ(12), 0);
 187
 188         MST_INTMSKENA = 0;
 189         MST_INTSETCLR = 0;
 190
 191         set_irq_chained_handler(IRQ_GPIO(0), mainstone_irq_handler);
 192         set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
 193 }
 194
 195 #ifdef CONFIG_PM
 196
 197 static int mainstone_irq_resume(struct sys_device *dev)
 198 {
 199         MST_INTMSKENA = mainstone_irq_enabled;
 200         return 0;
 201 }
 202
 203 static struct sysdev_class mainstone_irq_sysclass = {
 204         .name = "cpld_irq",
 205         .resume = mainstone_irq_resume,
 206 };
 207
 208 static struct sys_device mainstone_irq_device = {
 209         .cls = &mainstone_irq_sysclass,
 210 };
 211
 212 static int __init mainstone_irq_device_init(void)
 213 {
 214         int ret = -ENODEV;
 215
 216         if (machine_is_mainstone()) {
 217                 ret = sysdev_class_register(&mainstone_irq_sysclass);
 218                 if (ret == 0)
 219                         ret = sysdev_register(&mainstone_irq_device);
 220         }
 221         return ret;
 222 }
 223
 224 device_initcall(mainstone_irq_device_init);
 225
 226 #endif
 227
 228
 229 static struct resource smc91x_resources[] = {
 230         [0] = {
 231                 .start  = (MST_ETH_PHYS + 0x300),
 232                 .end    = (MST_ETH_PHYS + 0xfffff),
 233                 .flags  = IORESOURCE_MEM,
 234         },
 235         [1] = {
 236                 .start  = MAINSTONE_IRQ(3),
 237                 .end    = MAINSTONE_IRQ(3),
 238                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 239         }
 240 };
 241
 242 static struct platform_device smc91x_device = {
 243         .name           = "smc91x",
 244         .id             = 0,
 245         .num_resources  = ARRAY_SIZE(smc91x_resources),
 246         .resource       = smc91x_resources,
 247 };
 248
 249 static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
 250 {
 251         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 252                 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
 253         return 0;
 254 }
 255
 256 static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
 257 {
 258         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 259                 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
 260 }
 261
 262 static long mst_audio_suspend_mask;
 263
 264 static void mst_audio_suspend(void *priv)
 265 {
 266         mst_audio_suspend_mask = MST_MSCWR2;
 267         MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
 268 }
 269
 270 static void mst_audio_resume(void *priv)
 271 {
 272         MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
 273 }
 274
 275 static pxa2xx_audio_ops_t mst_audio_ops = {
 276         .startup        = mst_audio_startup,
 277         .shutdown       = mst_audio_shutdown,
 278         .suspend        = mst_audio_suspend,
 279         .resume         = mst_audio_resume,
 280 };
 281
 282 static struct platform_device mst_audio_device = {
 283         .name           = "pxa2xx-ac97",
 284         .id             = -1,
 285         .dev            = { .platform_data = &mst_audio_ops },
 286 };
 287
 288 static struct resource flash_resources[] = {
 289         [0] = {
 290                 .start  = PXA_CS0_PHYS,
 291                 .end    = PXA_CS0_PHYS + SZ_64M - 1,
 292                 .flags  = IORESOURCE_MEM,
 293         },
 294         [1] = {
 295                 .start  = PXA_CS1_PHYS,
 296                 .end    = PXA_CS1_PHYS + SZ_64M - 1,
 297                 .flags  = IORESOURCE_MEM,
 298         },
 299 };
 300
 301 static struct mtd_partition mainstoneflash0_partitions[] = {
 302         {
 303                 .name =         "Bootloader",
 304                 .size =         0x00040000,
 305                 .offset =       0,
 306                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 307         },{
 308                 .name =         "Kernel",
 309                 .size =         0x00400000,
 310                 .offset =       0x00040000,
 311         },{
 312                 .name =         "Filesystem",
 313                 .size =         MTDPART_SIZ_FULL,
 314                 .offset =       0x00440000
 315         }
 316 };
 317
 318 static struct flash_platform_data mst_flash_data[2] = {
 319         {
 320                 .map_name       = "cfi_probe",
 321                 .parts          = mainstoneflash0_partitions,
 322                 .nr_parts       = ARRAY_SIZE(mainstoneflash0_partitions),
 323         }, {
 324                 .map_name       = "cfi_probe",
 325                 .parts          = NULL,
 326                 .nr_parts       = 0,
 327         }
 328 };
 329
 330 static struct platform_device mst_flash_device[2] = {
 331         {
 332                 .name           = "pxa2xx-flash",
 333                 .id             = 0,
 334                 .dev = {
 335                         .platform_data = &mst_flash_data[0],
 336                 },
 337                 .resource = &flash_resources[0],
 338                 .num_resources = 1,
 339         },
 340         {
 341                 .name           = "pxa2xx-flash",
 342                 .id             = 1,
 343                 .dev = {
 344                         .platform_data = &mst_flash_data[1],
 345                 },
 346                 .resource = &flash_resources[1],
 347                 .num_resources = 1,
 348         },
 349 };
 350
 351 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 352 static int mainstone_backlight_update_status(struct backlight_device *bl)
 353 {
 354         int brightness = bl->props.brightness;
 355
 356         if (bl->props.power != FB_BLANK_UNBLANK ||
 357             bl->props.fb_blank != FB_BLANK_UNBLANK)
 358                 brightness = 0;
 359
 360         if (brightness != 0)
 361                 pxa_set_cken(CKEN_PWM0, 1);
 362
 363         PWM_CTRL0 = 0;
 364         PWM_PWDUTY0 = brightness;
 365         PWM_PERVAL0 = bl->props.max_brightness;
 366
 367         if (brightness == 0)
 368                 pxa_set_cken(CKEN_PWM0, 0);
 369         return 0; /* pointless return value */
 370 }
 371
 372 static int mainstone_backlight_get_brightness(struct backlight_device *bl)
 373 {
 374         return PWM_PWDUTY0;
 375 }
 376
 377 static /*const*/ struct backlight_ops mainstone_backlight_ops = {
 378         .update_status  = mainstone_backlight_update_status,
 379         .get_brightness = mainstone_backlight_get_brightness,
 380 };
 381
 382 static void __init mainstone_backlight_register(void)
 383 {
 384         struct backlight_device *bl;
 385
 386         bl = backlight_device_register("mainstone-bl", &pxa_device_fb.dev,
 387                                        NULL, &mainstone_backlight_ops);
 388         if (IS_ERR(bl)) {
 389                 printk(KERN_ERR "mainstone: unable to register backlight: %ld\n",
 390                        PTR_ERR(bl));
 391                 return;
 392         }
 393
 394         /*
 395          * broken design - register-then-setup interfaces are
 396          * utterly broken by definition.
 397          */
 398         bl->props.max_brightness = 1023;
 399         bl->props.brightness = 1023;
 400         backlight_update_status(bl);
 401 }
 402 #else
 403 #define mainstone_backlight_register()  do { } while (0)
 404 #endif
 405
 406 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
 407         .pixclock               = 50000,
 408         .xres                   = 640,
 409         .yres                   = 480,
 410         .bpp                    = 16,
 411         .hsync_len              = 1,
 412         .left_margin            = 0x9f,
 413         .right_margin           = 1,
 414         .vsync_len              = 44,
 415         .upper_margin           = 0,
 416         .lower_margin           = 0,
 417         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 418 };
 419
 420 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
 421         .pixclock               = 110000,
 422         .xres                   = 240,
 423         .yres                   = 320,
 424         .bpp                    = 16,
 425         .hsync_len              = 4,
 426         .left_margin            = 8,
 427         .right_margin           = 20,
 428         .vsync_len              = 3,
 429         .upper_margin           = 1,
 430         .lower_margin           = 10,
 431         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 432 };
 433
 434 static struct pxafb_mach_info mainstone_pxafb_info = {
 435         .num_modes              = 1,
 436         .lccr0                  = LCCR0_Act,
 437         .lccr3                  = LCCR3_PCP,
 438 };
 439
 440 static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
 441 {
 442         int err;
 443
 444         /* make sure SD/Memory Stick multiplexer's signals
 445          * are routed to MMC controller
 446          */
 447         MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 448
 449         err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
 450                              "MMC card detect", data);
 451         if (err)
 452                 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 453
 454         return err;
 455 }
 456
 457 static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
 458 {
 459         struct pxamci_platform_data* p_d = dev->platform_data;
 460
 461         if (( 1 << vdd) & p_d->ocr_mask) {
 462                 printk(KERN_DEBUG "%s: on\n", __func__);
 463                 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
 464                 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 465         } else {
 466                 printk(KERN_DEBUG "%s: off\n", __func__);
 467                 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
 468         }
 469 }
 470
 471 static void mainstone_mci_exit(struct device *dev, void *data)
 472 {
 473         free_irq(MAINSTONE_MMC_IRQ, data);
 474 }
 475
 476 static struct pxamci_platform_data mainstone_mci_platform_data = {
 477         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 478         .init           = mainstone_mci_init,
 479         .setpower       = mainstone_mci_setpower,
 480         .exit           = mainstone_mci_exit,
 481 };
 482
 483 static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
 484 {
 485         unsigned long flags;
 486
 487         local_irq_save(flags);
 488         if (mode & IR_SIRMODE) {
 489                 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
 490         } else if (mode & IR_FIRMODE) {
 491                 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
 492         }
 493         if (mode & IR_OFF) {
 494                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
 495         } else {
 496                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
 497         }
 498         local_irq_restore(flags);
 499 }
 500
 501 static struct pxaficp_platform_data mainstone_ficp_platform_data = {
 502         .transceiver_cap  = IR_SIRMODE | IR_FIRMODE | IR_OFF,
 503         .transceiver_mode = mainstone_irda_transceiver_mode,
 504 };
 505
 506 static struct gpio_keys_button gpio_keys_button[] = {
 507         [0] = {
 508                 .desc   = "wakeup",
 509                 .code   = KEY_SUSPEND,
 510                 .type   = EV_KEY,
 511                 .gpio   = 1,
 512                 .wakeup = 1,
 513         },
 514 };
 515
 516 static struct gpio_keys_platform_data mainstone_gpio_keys = {
 517         .buttons        = gpio_keys_button,
 518         .nbuttons       = 1,
 519 };
 520
 521 static struct platform_device mst_gpio_keys_device = {
 522         .name           = "gpio-keys",
 523         .id             = -1,
 524         .dev            = {
 525                 .platform_data  = &mainstone_gpio_keys,
 526         },
 527 };
 528
 529 static struct platform_device *platform_devices[] __initdata = {
 530         &smc91x_device,
 531         &mst_audio_device,
 532         &mst_flash_device[0],
 533         &mst_flash_device[1],
 534         &mst_gpio_keys_device,
 535 };
 536
 537 static int mainstone_ohci_init(struct device *dev)
 538 {
 539         /* Set the Power Control Polarity Low and Power Sense
 540            Polarity Low to active low. */
 541         UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
 542                 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
 543
 544         return 0;
 545 }
 546
 547 static struct pxaohci_platform_data mainstone_ohci_platform_data = {
 548         .port_mode      = PMM_PERPORT_MODE,
 549         .init           = mainstone_ohci_init,
 550 };
 551
 552 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULES)
 553 static unsigned int mainstone_matrix_keys[] = {
 554         KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
 555         KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
 556         KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
 557         KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
 558         KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
 559         KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
 560         KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
 561         KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
 562         KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
 563
 564         KEY(0, 4, KEY_DOT),     /* . */
 565         KEY(1, 4, KEY_CLOSE),   /* @ */
 566         KEY(4, 4, KEY_SLASH),
 567         KEY(5, 4, KEY_BACKSLASH),
 568         KEY(0, 5, KEY_HOME),
 569         KEY(1, 5, KEY_LEFTSHIFT),
 570         KEY(2, 5, KEY_SPACE),
 571         KEY(3, 5, KEY_SPACE),
 572         KEY(4, 5, KEY_ENTER),
 573         KEY(5, 5, KEY_BACKSPACE),
 574
 575         KEY(0, 6, KEY_UP),
 576         KEY(1, 6, KEY_DOWN),
 577         KEY(2, 6, KEY_LEFT),
 578         KEY(3, 6, KEY_RIGHT),
 579         KEY(4, 6, KEY_SELECT),
 580 };
 581
 582 struct pxa27x_keypad_platform_data mainstone_keypad_info = {
 583         .matrix_key_rows        = 6,
 584         .matrix_key_cols        = 7,
 585         .matrix_key_map         = mainstone_matrix_keys,
 586         .matrix_key_map_size    = ARRAY_SIZE(mainstone_matrix_keys),
 587
 588         .enable_rotary0         = 1,
 589         .rotary0_up_key         = KEY_UP,
 590         .rotary0_down_key       = KEY_DOWN,
 591
 592         .debounce_interval      = 30,
 593 };
 594
 595 static void __init mainstone_init_keypad(void)
 596 {
 597         pxa_set_keypad_info(&mainstone_keypad_info);
 598 }
 599 #else
 600 static inline void mainstone_init_keypad(void) {}
 601 #endif
 602
 603 static void __init mainstone_init(void)
 604 {
 605         int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
 606
 607         pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
 608
 609         mst_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4;
 610         mst_flash_data[1].width = 4;
 611
 612         /* Compensate for SW7 which swaps the flash banks */
 613         mst_flash_data[SW7].name = "processor-flash";
 614         mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
 615
 616         printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
 617                mst_flash_data[0].name);
 618
 619         /* system bus arbiter setting
 620          * - Core_Park
 621          * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
 622          */
 623         ARB_CNTRL = ARB_CORE_PARK | 0x234;
 624
 625         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 626
 627         /* reading Mainstone's "Virtual Configuration Register"
 628            might be handy to select LCD type here */
 629         if (0)
 630                 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
 631         else
 632                 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
 633
 634         set_pxa_fb_info(&mainstone_pxafb_info);
 635         mainstone_backlight_register();
 636
 637         pxa_set_mci_info(&mainstone_mci_platform_data);
 638         pxa_set_ficp_info(&mainstone_ficp_platform_data);
 639         pxa_set_ohci_info(&mainstone_ohci_platform_data);
 640
 641         mainstone_init_keypad();
 642 }
 643
 644
 645 static struct map_desc mainstone_io_desc[] __initdata = {
 646         {       /* CPLD */
 647                 .virtual        =  MST_FPGA_VIRT,
 648                 .pfn            = __phys_to_pfn(MST_FPGA_PHYS),
 649                 .length         = 0x00100000,
 650                 .type           = MT_DEVICE
 651         }
 652 };
 653
 654 static void __init mainstone_map_io(void)
 655 {
 656         pxa_map_io();
 657         iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
 658
 659         /*      for use I SRAM as framebuffer.  */
 660         PSLR |= 0xF04;
 661         PCFR = 0x66;
 662 }
 663
 664 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
 665         /* Maintainer: MontaVista Software Inc. */
 666         .phys_io        = 0x40000000,
 667         .boot_params    = 0xa0000100,   /* BLOB boot parameter setting */
 668         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 669         .map_io         = mainstone_map_io,
 670         .init_irq       = mainstone_init_irq,
 671         .timer          = &pxa_timer,
 672         .init_machine   = mainstone_init,
 673 MACHINE_END