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 #include <linux/gpio.h>
  16 #include <linux/gpio/gpio-reg.h>
  17 #include <linux/gpio/machine.h>
  18 #include <linux/init.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/syscore_ops.h>
  21 #include <linux/interrupt.h>
  22 #include <linux/sched.h>
  23 #include <linux/bitops.h>
  24 #include <linux/fb.h>
  25 #include <linux/ioport.h>
  26 #include <linux/mtd/mtd.h>
  27 #include <linux/mtd/partitions.h>
  28 #include <linux/input.h>
  29 #include <linux/gpio_keys.h>
  30 #include <linux/pwm.h>
  31 #include <linux/pwm_backlight.h>
  32 #include <linux/smc91x.h>
  33 #include <linux/platform_data/i2c-pxa.h>
  34 #include <linux/slab.h>
  35 #include <linux/leds.h>
  36
  37 #include <asm/types.h>
  38 #include <asm/setup.h>
  39 #include <asm/memory.h>
  40 #include <asm/mach-types.h>
  41 #include <mach/hardware.h>
  42 #include <asm/irq.h>
  43 #include <asm/sizes.h>
  44
  45 #include <asm/mach/arch.h>
  46 #include <asm/mach/map.h>
  47 #include <asm/mach/irq.h>
  48 #include <asm/mach/flash.h>
  49
  50 #include "pxa27x.h"
  51 #include <mach/mainstone.h>
  52 #include <mach/audio.h>
  53 #include <linux/platform_data/video-pxafb.h>
  54 #include <linux/platform_data/mmc-pxamci.h>
  55 #include <linux/platform_data/irda-pxaficp.h>
  56 #include <linux/platform_data/usb-ohci-pxa27x.h>
  57 #include <linux/platform_data/keypad-pxa27x.h>
  58 #include <mach/smemc.h>
  59
  60 #include "generic.h"
  61 #include "devices.h"
  62
  63 static unsigned long mainstone_pin_config[] = {
  64         /* Chip Select */
  65         GPIO15_nCS_1,
  66
  67         /* LCD - 16bpp Active TFT */
  68         GPIOxx_LCD_TFT_16BPP,
  69         GPIO16_PWM0_OUT,        /* Backlight */
  70
  71         /* MMC */
  72         GPIO32_MMC_CLK,
  73         GPIO112_MMC_CMD,
  74         GPIO92_MMC_DAT_0,
  75         GPIO109_MMC_DAT_1,
  76         GPIO110_MMC_DAT_2,
  77         GPIO111_MMC_DAT_3,
  78
  79         /* USB Host Port 1 */
  80         GPIO88_USBH1_PWR,
  81         GPIO89_USBH1_PEN,
  82
  83         /* PC Card */
  84         GPIO48_nPOE,
  85         GPIO49_nPWE,
  86         GPIO50_nPIOR,
  87         GPIO51_nPIOW,
  88         GPIO85_nPCE_1,
  89         GPIO54_nPCE_2,
  90         GPIO79_PSKTSEL,
  91         GPIO55_nPREG,
  92         GPIO56_nPWAIT,
  93         GPIO57_nIOIS16,
  94
  95         /* AC97 */
  96         GPIO28_AC97_BITCLK,
  97         GPIO29_AC97_SDATA_IN_0,
  98         GPIO30_AC97_SDATA_OUT,
  99         GPIO31_AC97_SYNC,
 100         GPIO45_AC97_SYSCLK,
 101
 102         /* Keypad */
 103         GPIO93_KP_DKIN_0,
 104         GPIO94_KP_DKIN_1,
 105         GPIO95_KP_DKIN_2,
 106         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
 107         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
 108         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
 109         GPIO97_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
 110         GPIO98_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
 111         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
 112         GPIO103_KP_MKOUT_0,
 113         GPIO104_KP_MKOUT_1,
 114         GPIO105_KP_MKOUT_2,
 115         GPIO106_KP_MKOUT_3,
 116         GPIO107_KP_MKOUT_4,
 117         GPIO108_KP_MKOUT_5,
 118         GPIO96_KP_MKOUT_6,
 119
 120         /* I2C */
 121         GPIO117_I2C_SCL,
 122         GPIO118_I2C_SDA,
 123
 124         /* GPIO */
 125         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
 126 };
 127
 128 static struct resource smc91x_resources[] = {
 129         [0] = {
 130                 .start  = (MST_ETH_PHYS + 0x300),
 131                 .end    = (MST_ETH_PHYS + 0xfffff),
 132                 .flags  = IORESOURCE_MEM,
 133         },
 134         [1] = {
 135                 .start  = MAINSTONE_IRQ(3),
 136                 .end    = MAINSTONE_IRQ(3),
 137                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 138         }
 139 };
 140
 141 static struct smc91x_platdata mainstone_smc91x_info = {
 142         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
 143                   SMC91X_NOWAIT | SMC91X_USE_DMA,
 144         .pxa_u16_align4 = true,
 145 };
 146
 147 static struct platform_device smc91x_device = {
 148         .name           = "smc91x",
 149         .id             = 0,
 150         .num_resources  = ARRAY_SIZE(smc91x_resources),
 151         .resource       = smc91x_resources,
 152         .dev            = {
 153                 .platform_data = &mainstone_smc91x_info,
 154         },
 155 };
 156
 157 static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
 158 {
 159         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 160                 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
 161         return 0;
 162 }
 163
 164 static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
 165 {
 166         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 167                 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
 168 }
 169
 170 static long mst_audio_suspend_mask;
 171
 172 static void mst_audio_suspend(void *priv)
 173 {
 174         mst_audio_suspend_mask = MST_MSCWR2;
 175         MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
 176 }
 177
 178 static void mst_audio_resume(void *priv)
 179 {
 180         MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
 181 }
 182
 183 static pxa2xx_audio_ops_t mst_audio_ops = {
 184         .startup        = mst_audio_startup,
 185         .shutdown       = mst_audio_shutdown,
 186         .suspend        = mst_audio_suspend,
 187         .resume         = mst_audio_resume,
 188 };
 189
 190 static struct resource flash_resources[] = {
 191         [0] = {
 192                 .start  = PXA_CS0_PHYS,
 193                 .end    = PXA_CS0_PHYS + SZ_64M - 1,
 194                 .flags  = IORESOURCE_MEM,
 195         },
 196         [1] = {
 197                 .start  = PXA_CS1_PHYS,
 198                 .end    = PXA_CS1_PHYS + SZ_64M - 1,
 199                 .flags  = IORESOURCE_MEM,
 200         },
 201 };
 202
 203 static struct mtd_partition mainstoneflash0_partitions[] = {
 204         {
 205                 .name =         "Bootloader",
 206                 .size =         0x00040000,
 207                 .offset =       0,
 208                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 209         },{
 210                 .name =         "Kernel",
 211                 .size =         0x00400000,
 212                 .offset =       0x00040000,
 213         },{
 214                 .name =         "Filesystem",
 215                 .size =         MTDPART_SIZ_FULL,
 216                 .offset =       0x00440000
 217         }
 218 };
 219
 220 static struct flash_platform_data mst_flash_data[2] = {
 221         {
 222                 .map_name       = "cfi_probe",
 223                 .parts          = mainstoneflash0_partitions,
 224                 .nr_parts       = ARRAY_SIZE(mainstoneflash0_partitions),
 225         }, {
 226                 .map_name       = "cfi_probe",
 227                 .parts          = NULL,
 228                 .nr_parts       = 0,
 229         }
 230 };
 231
 232 static struct platform_device mst_flash_device[2] = {
 233         {
 234                 .name           = "pxa2xx-flash",
 235                 .id             = 0,
 236                 .dev = {
 237                         .platform_data = &mst_flash_data[0],
 238                 },
 239                 .resource = &flash_resources[0],
 240                 .num_resources = 1,
 241         },
 242         {
 243                 .name           = "pxa2xx-flash",
 244                 .id             = 1,
 245                 .dev = {
 246                         .platform_data = &mst_flash_data[1],
 247                 },
 248                 .resource = &flash_resources[1],
 249                 .num_resources = 1,
 250         },
 251 };
 252
 253 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 254 static struct pwm_lookup mainstone_pwm_lookup[] = {
 255         PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 78770,
 256                    PWM_POLARITY_NORMAL),
 257 };
 258
 259 static struct platform_pwm_backlight_data mainstone_backlight_data = {
 260         .max_brightness = 1023,
 261         .dft_brightness = 1023,
 262         .enable_gpio    = -1,
 263 };
 264
 265 static struct platform_device mainstone_backlight_device = {
 266         .name           = "pwm-backlight",
 267         .dev            = {
 268                 .parent = &pxa27x_device_pwm0.dev,
 269                 .platform_data = &mainstone_backlight_data,
 270         },
 271 };
 272
 273 static void __init mainstone_backlight_register(void)
 274 {
 275         int ret;
 276
 277         pwm_add_table(mainstone_pwm_lookup, ARRAY_SIZE(mainstone_pwm_lookup));
 278
 279         ret = platform_device_register(&mainstone_backlight_device);
 280         if (ret) {
 281                 printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
 282                 pwm_remove_table(mainstone_pwm_lookup,
 283                                  ARRAY_SIZE(mainstone_pwm_lookup));
 284         }
 285 }
 286 #else
 287 #define mainstone_backlight_register()  do { } while (0)
 288 #endif
 289
 290 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
 291         .pixclock               = 50000,
 292         .xres                   = 640,
 293         .yres                   = 480,
 294         .bpp                    = 16,
 295         .hsync_len              = 1,
 296         .left_margin            = 0x9f,
 297         .right_margin           = 1,
 298         .vsync_len              = 44,
 299         .upper_margin           = 0,
 300         .lower_margin           = 0,
 301         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 302 };
 303
 304 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
 305         .pixclock               = 110000,
 306         .xres                   = 240,
 307         .yres                   = 320,
 308         .bpp                    = 16,
 309         .hsync_len              = 4,
 310         .left_margin            = 8,
 311         .right_margin           = 20,
 312         .vsync_len              = 3,
 313         .upper_margin           = 1,
 314         .lower_margin           = 10,
 315         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 316 };
 317
 318 static struct pxafb_mach_info mainstone_pxafb_info = {
 319         .num_modes              = 1,
 320         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 321 };
 322
 323 static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
 324 {
 325         int err;
 326
 327         /* make sure SD/Memory Stick multiplexer's signals
 328          * are routed to MMC controller
 329          */
 330         MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 331
 332         err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, 0,
 333                              "MMC card detect", data);
 334         if (err)
 335                 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 336
 337         return err;
 338 }
 339
 340 static int mainstone_mci_setpower(struct device *dev, unsigned int vdd)
 341 {
 342         struct pxamci_platform_data* p_d = dev->platform_data;
 343
 344         if (( 1 << vdd) & p_d->ocr_mask) {
 345                 printk(KERN_DEBUG "%s: on\n", __func__);
 346                 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
 347                 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 348         } else {
 349                 printk(KERN_DEBUG "%s: off\n", __func__);
 350                 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
 351         }
 352         return 0;
 353 }
 354
 355 static void mainstone_mci_exit(struct device *dev, void *data)
 356 {
 357         free_irq(MAINSTONE_MMC_IRQ, data);
 358 }
 359
 360 static struct pxamci_platform_data mainstone_mci_platform_data = {
 361         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 362         .init                   = mainstone_mci_init,
 363         .setpower               = mainstone_mci_setpower,
 364         .exit                   = mainstone_mci_exit,
 365 };
 366
 367 static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
 368 {
 369         unsigned long flags;
 370
 371         local_irq_save(flags);
 372         if (mode & IR_SIRMODE) {
 373                 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
 374         } else if (mode & IR_FIRMODE) {
 375                 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
 376         }
 377         pxa2xx_transceiver_mode(dev, mode);
 378         if (mode & IR_OFF) {
 379                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
 380         } else {
 381                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
 382         }
 383         local_irq_restore(flags);
 384 }
 385
 386 static struct pxaficp_platform_data mainstone_ficp_platform_data = {
 387         .gpio_pwdown            = -1,
 388         .transceiver_cap        = IR_SIRMODE | IR_FIRMODE | IR_OFF,
 389         .transceiver_mode       = mainstone_irda_transceiver_mode,
 390 };
 391
 392 static struct gpio_keys_button gpio_keys_button[] = {
 393         [0] = {
 394                 .desc   = "wakeup",
 395                 .code   = KEY_SUSPEND,
 396                 .type   = EV_KEY,
 397                 .gpio   = 1,
 398                 .wakeup = 1,
 399         },
 400 };
 401
 402 static struct gpio_keys_platform_data mainstone_gpio_keys = {
 403         .buttons        = gpio_keys_button,
 404         .nbuttons       = 1,
 405 };
 406
 407 static struct platform_device mst_gpio_keys_device = {
 408         .name           = "gpio-keys",
 409         .id             = -1,
 410         .dev            = {
 411                 .platform_data  = &mainstone_gpio_keys,
 412         },
 413 };
 414
 415 static struct resource mst_cplds_resources[] = {
 416         [0] = {
 417                 .start  = MST_FPGA_PHYS + 0xc0,
 418                 .end    = MST_FPGA_PHYS + 0xe0 - 1,
 419                 .flags  = IORESOURCE_MEM,
 420         },
 421         [1] = {
 422                 .start  = PXA_GPIO_TO_IRQ(0),
 423                 .end    = PXA_GPIO_TO_IRQ(0),
 424                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 425         },
 426         [2] = {
 427                 .start  = MAINSTONE_IRQ(0),
 428                 .end    = MAINSTONE_IRQ(15),
 429                 .flags  = IORESOURCE_IRQ,
 430         },
 431 };
 432
 433 static struct platform_device mst_cplds_device = {
 434         .name           = "pxa_cplds_irqs",
 435         .id             = -1,
 436         .resource       = &mst_cplds_resources[0],
 437         .num_resources  = 3,
 438 };
 439
 440 static struct platform_device *platform_devices[] __initdata = {
 441         &smc91x_device,
 442         &mst_flash_device[0],
 443         &mst_flash_device[1],
 444         &mst_gpio_keys_device,
 445         &mst_cplds_device,
 446 };
 447
 448 static struct pxaohci_platform_data mainstone_ohci_platform_data = {
 449         .port_mode      = PMM_PERPORT_MODE,
 450         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
 451 };
 452
 453 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 454 static const unsigned int mainstone_matrix_keys[] = {
 455         KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
 456         KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
 457         KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
 458         KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
 459         KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
 460         KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
 461         KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
 462         KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
 463         KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
 464
 465         KEY(0, 4, KEY_DOT),     /* . */
 466         KEY(1, 4, KEY_CLOSE),   /* @ */
 467         KEY(4, 4, KEY_SLASH),
 468         KEY(5, 4, KEY_BACKSLASH),
 469         KEY(0, 5, KEY_HOME),
 470         KEY(1, 5, KEY_LEFTSHIFT),
 471         KEY(2, 5, KEY_SPACE),
 472         KEY(3, 5, KEY_SPACE),
 473         KEY(4, 5, KEY_ENTER),
 474         KEY(5, 5, KEY_BACKSPACE),
 475
 476         KEY(0, 6, KEY_UP),
 477         KEY(1, 6, KEY_DOWN),
 478         KEY(2, 6, KEY_LEFT),
 479         KEY(3, 6, KEY_RIGHT),
 480         KEY(4, 6, KEY_SELECT),
 481 };
 482
 483 static struct matrix_keymap_data mainstone_matrix_keymap_data = {
 484         .keymap                 = mainstone_matrix_keys,
 485         .keymap_size            = ARRAY_SIZE(mainstone_matrix_keys),
 486 };
 487
 488 struct pxa27x_keypad_platform_data mainstone_keypad_info = {
 489         .matrix_key_rows        = 6,
 490         .matrix_key_cols        = 7,
 491         .matrix_keymap_data     = &mainstone_matrix_keymap_data,
 492
 493         .enable_rotary0         = 1,
 494         .rotary0_up_key         = KEY_UP,
 495         .rotary0_down_key       = KEY_DOWN,
 496
 497         .debounce_interval      = 30,
 498 };
 499
 500 static void __init mainstone_init_keypad(void)
 501 {
 502         pxa_set_keypad_info(&mainstone_keypad_info);
 503 }
 504 #else
 505 static inline void mainstone_init_keypad(void) {}
 506 #endif
 507
 508 static int mst_pcmcia0_irqs[11] = {
 509         [0 ... 10] = -1,
 510         [5] = MAINSTONE_S0_CD_IRQ,
 511         [8] = MAINSTONE_S0_STSCHG_IRQ,
 512         [10] = MAINSTONE_S0_IRQ,
 513 };
 514
 515 static int mst_pcmcia1_irqs[11] = {
 516         [0 ... 10] = -1,
 517         [5] = MAINSTONE_S1_CD_IRQ,
 518         [8] = MAINSTONE_S1_STSCHG_IRQ,
 519         [10] = MAINSTONE_S1_IRQ,
 520 };
 521
 522 static struct gpiod_lookup_table mainstone_pcmcia_gpio_table = {
 523         .dev_id = "pxa2xx-pcmcia",
 524         .table = {
 525                 GPIO_LOOKUP("mst-pcmcia0",  0, "a0vpp",   GPIO_ACTIVE_HIGH),
 526                 GPIO_LOOKUP("mst-pcmcia0",  1, "a1vpp",   GPIO_ACTIVE_HIGH),
 527                 GPIO_LOOKUP("mst-pcmcia0",  2, "a0vcc",   GPIO_ACTIVE_HIGH),
 528                 GPIO_LOOKUP("mst-pcmcia0",  3, "a1vcc",   GPIO_ACTIVE_HIGH),
 529                 GPIO_LOOKUP("mst-pcmcia0",  4, "areset",  GPIO_ACTIVE_HIGH),
 530                 GPIO_LOOKUP("mst-pcmcia0",  5, "adetect", GPIO_ACTIVE_LOW),
 531                 GPIO_LOOKUP("mst-pcmcia0",  6, "avs1",    GPIO_ACTIVE_LOW),
 532                 GPIO_LOOKUP("mst-pcmcia0",  7, "avs2",    GPIO_ACTIVE_LOW),
 533                 GPIO_LOOKUP("mst-pcmcia0",  8, "abvd1",   GPIO_ACTIVE_HIGH),
 534                 GPIO_LOOKUP("mst-pcmcia0",  9, "abvd2",   GPIO_ACTIVE_HIGH),
 535                 GPIO_LOOKUP("mst-pcmcia0", 10, "aready",  GPIO_ACTIVE_HIGH),
 536                 GPIO_LOOKUP("mst-pcmcia1",  0, "b0vpp",   GPIO_ACTIVE_HIGH),
 537                 GPIO_LOOKUP("mst-pcmcia1",  1, "b1vpp",   GPIO_ACTIVE_HIGH),
 538                 GPIO_LOOKUP("mst-pcmcia1",  2, "b0vcc",   GPIO_ACTIVE_HIGH),
 539                 GPIO_LOOKUP("mst-pcmcia1",  3, "b1vcc",   GPIO_ACTIVE_HIGH),
 540                 GPIO_LOOKUP("mst-pcmcia1",  4, "breset",  GPIO_ACTIVE_HIGH),
 541                 GPIO_LOOKUP("mst-pcmcia1",  5, "bdetect", GPIO_ACTIVE_LOW),
 542                 GPIO_LOOKUP("mst-pcmcia1",  6, "bvs1",    GPIO_ACTIVE_LOW),
 543                 GPIO_LOOKUP("mst-pcmcia1",  7, "bvs2",    GPIO_ACTIVE_LOW),
 544                 GPIO_LOOKUP("mst-pcmcia1",  8, "bbvd1",   GPIO_ACTIVE_HIGH),
 545                 GPIO_LOOKUP("mst-pcmcia1",  9, "bbvd2",   GPIO_ACTIVE_HIGH),
 546                 GPIO_LOOKUP("mst-pcmcia1", 10, "bready",  GPIO_ACTIVE_HIGH),
 547                 { },
 548         },
 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         /* Register board control register(s) as GPIOs */
 558         gpio_reg_init(NULL, (void __iomem *)&MST_PCMCIA0, -1, 11,
 559                       "mst-pcmcia0", MST_PCMCIA_INPUTS, 0, NULL,
 560                       NULL, mst_pcmcia0_irqs);
 561         gpio_reg_init(NULL, (void __iomem *)&MST_PCMCIA1, -1, 11,
 562                       "mst-pcmcia1", MST_PCMCIA_INPUTS, 0, NULL,
 563                       NULL, mst_pcmcia1_irqs);
 564         gpiod_add_lookup_table(&mainstone_pcmcia_gpio_table);
 565
 566         pxa_set_ffuart_info(NULL);
 567         pxa_set_btuart_info(NULL);
 568         pxa_set_stuart_info(NULL);
 569
 570         mst_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
 571         mst_flash_data[1].width = 4;
 572
 573         /* Compensate for SW7 which swaps the flash banks */
 574         mst_flash_data[SW7].name = "processor-flash";
 575         mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
 576
 577         printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
 578                mst_flash_data[0].name);
 579
 580         /* system bus arbiter setting
 581          * - Core_Park
 582          * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
 583          */
 584         ARB_CNTRL = ARB_CORE_PARK | 0x234;
 585
 586         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 587
 588         /* reading Mainstone's "Virtual Configuration Register"
 589            might be handy to select LCD type here */
 590         if (0)
 591                 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
 592         else
 593                 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
 594
 595         pxa_set_fb_info(NULL, &mainstone_pxafb_info);
 596         mainstone_backlight_register();
 597
 598         pxa_set_mci_info(&mainstone_mci_platform_data);
 599         pxa_set_ficp_info(&mainstone_ficp_platform_data);
 600         pxa_set_ohci_info(&mainstone_ohci_platform_data);
 601         pxa_set_i2c_info(NULL);
 602         pxa_set_ac97_info(&mst_audio_ops);
 603
 604         mainstone_init_keypad();
 605 }
 606
 607
 608 static struct map_desc mainstone_io_desc[] __initdata = {
 609         {       /* CPLD */
 610                 .virtual        =  MST_FPGA_VIRT,
 611                 .pfn            = __phys_to_pfn(MST_FPGA_PHYS),
 612                 .length         = 0x00100000,
 613                 .type           = MT_DEVICE
 614         }
 615 };
 616
 617 static void __init mainstone_map_io(void)
 618 {
 619         pxa27x_map_io();
 620         iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
 621
 622         /*      for use I SRAM as framebuffer.  */
 623         PSLR |= 0xF04;
 624         PCFR = 0x66;
 625 }
 626
 627 /*
 628  * Driver for the 8 discrete LEDs available for general use:
 629  * Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays
 630  * so be sure to not monkey with them here.
 631  */
 632
 633 #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
 634 struct mainstone_led {
 635         struct led_classdev     cdev;
 636         u8                      mask;
 637 };
 638
 639 /*
 640  * The triggers lines up below will only be used if the
 641  * LED triggers are compiled in.
 642  */
 643 static const struct {
 644         const char *name;
 645         const char *trigger;
 646 } mainstone_leds[] = {
 647         { "mainstone:D28", "default-on", },
 648         { "mainstone:D27", "cpu0", },
 649         { "mainstone:D26", "heartbeat" },
 650         { "mainstone:D25", },
 651         { "mainstone:D24", },
 652         { "mainstone:D23", },
 653         { "mainstone:D22", },
 654         { "mainstone:D21", },
 655 };
 656
 657 static void mainstone_led_set(struct led_classdev *cdev,
 658                               enum led_brightness b)
 659 {
 660         struct mainstone_led *led = container_of(cdev,
 661                                          struct mainstone_led, cdev);
 662         u32 reg = MST_LEDCTRL;
 663
 664         if (b != LED_OFF)
 665                 reg |= led->mask;
 666         else
 667                 reg &= ~led->mask;
 668
 669         MST_LEDCTRL = reg;
 670 }
 671
 672 static enum led_brightness mainstone_led_get(struct led_classdev *cdev)
 673 {
 674         struct mainstone_led *led = container_of(cdev,
 675                                          struct mainstone_led, cdev);
 676         u32 reg = MST_LEDCTRL;
 677
 678         return (reg & led->mask) ? LED_FULL : LED_OFF;
 679 }
 680
 681 static int __init mainstone_leds_init(void)
 682 {
 683         int i;
 684
 685         if (!machine_is_mainstone())
 686                 return -ENODEV;
 687
 688         /* All ON */
 689         MST_LEDCTRL |= 0xff;
 690         for (i = 0; i < ARRAY_SIZE(mainstone_leds); i++) {
 691                 struct mainstone_led *led;
 692
 693                 led = kzalloc(sizeof(*led), GFP_KERNEL);
 694                 if (!led)
 695                         break;
 696
 697                 led->cdev.name = mainstone_leds[i].name;
 698                 led->cdev.brightness_set = mainstone_led_set;
 699                 led->cdev.brightness_get = mainstone_led_get;
 700                 led->cdev.default_trigger = mainstone_leds[i].trigger;
 701                 led->mask = BIT(i);
 702
 703                 if (led_classdev_register(NULL, &led->cdev) < 0) {
 704                         kfree(led);
 705                         break;
 706                 }
 707         }
 708
 709         return 0;
 710 }
 711
 712 /*
 713  * Since we may have triggers on any subsystem, defer registration
 714  * until after subsystem_init.
 715  */
 716 fs_initcall(mainstone_leds_init);
 717 #endif
 718
 719 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
 720         /* Maintainer: MontaVista Software Inc. */
 721         .atag_offset    = 0x100,        /* BLOB boot parameter setting */
 722         .map_io         = mainstone_map_io,
 723         .nr_irqs        = MAINSTONE_NR_IRQS,
 724         .init_irq       = pxa27x_init_irq,
 725         .handle_irq     = pxa27x_handle_irq,
 726         .init_time      = pxa_timer_init,
 727         .init_machine   = mainstone_init,
 728         .restart        = pxa_restart,
 729 MACHINE_END