arch/arm/mach-pxa/mainstone.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  *  linux/arch/arm/mach-pxa/mainstone.c
   4  *
   5  *  Support for the Intel HCDDBBVA0 Development Platform.
   6  *  (go figure how they came up with such name...)
   7  *
   8  *  Author:     Nicolas Pitre
   9  *  Created:    Nov 05, 2002
  10  *  Copyright:  MontaVista Software Inc.
  11  */
  12 #include <linux/gpio.h>
  13 #include <linux/gpio/gpio-reg.h>
  14 #include <linux/gpio/machine.h>
  15 #include <linux/init.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/syscore_ops.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/sched.h>
  20 #include <linux/bitops.h>
  21 #include <linux/fb.h>
  22 #include <linux/ioport.h>
  23 #include <linux/mtd/mtd.h>
  24 #include <linux/mtd/partitions.h>
  25 #include <linux/input.h>
  26 #include <linux/gpio_keys.h>
  27 #include <linux/pwm.h>
  28 #include <linux/pwm_backlight.h>
  29 #include <linux/smc91x.h>
  30 #include <linux/platform_data/i2c-pxa.h>
  31 #include <linux/slab.h>
  32 #include <linux/leds.h>
  33
  34 #include <asm/types.h>
  35 #include <asm/setup.h>
  36 #include <asm/memory.h>
  37 #include <asm/mach-types.h>
  38 #include <mach/hardware.h>
  39 #include <asm/irq.h>
  40 #include <linux/sizes.h>
  41
  42 #include <asm/mach/arch.h>
  43 #include <asm/mach/map.h>
  44 #include <asm/mach/irq.h>
  45 #include <asm/mach/flash.h>
  46
  47 #include "pxa27x.h"
  48 #include <mach/mainstone.h>
  49 #include <mach/audio.h>
  50 #include <linux/platform_data/video-pxafb.h>
  51 #include <linux/platform_data/mmc-pxamci.h>
  52 #include <linux/platform_data/irda-pxaficp.h>
  53 #include <linux/platform_data/usb-ohci-pxa27x.h>
  54 #include <linux/platform_data/keypad-pxa27x.h>
  55 #include <mach/smemc.h>
  56
  57 #include "generic.h"
  58 #include "devices.h"
  59
  60 static unsigned long mainstone_pin_config[] = {
  61         /* Chip Select */
  62         GPIO15_nCS_1,
  63
  64         /* LCD - 16bpp Active TFT */
  65         GPIOxx_LCD_TFT_16BPP,
  66         GPIO16_PWM0_OUT,        /* Backlight */
  67
  68         /* MMC */
  69         GPIO32_MMC_CLK,
  70         GPIO112_MMC_CMD,
  71         GPIO92_MMC_DAT_0,
  72         GPIO109_MMC_DAT_1,
  73         GPIO110_MMC_DAT_2,
  74         GPIO111_MMC_DAT_3,
  75
  76         /* USB Host Port 1 */
  77         GPIO88_USBH1_PWR,
  78         GPIO89_USBH1_PEN,
  79
  80         /* PC Card */
  81         GPIO48_nPOE,
  82         GPIO49_nPWE,
  83         GPIO50_nPIOR,
  84         GPIO51_nPIOW,
  85         GPIO85_nPCE_1,
  86         GPIO54_nPCE_2,
  87         GPIO79_PSKTSEL,
  88         GPIO55_nPREG,
  89         GPIO56_nPWAIT,
  90         GPIO57_nIOIS16,
  91
  92         /* AC97 */
  93         GPIO28_AC97_BITCLK,
  94         GPIO29_AC97_SDATA_IN_0,
  95         GPIO30_AC97_SDATA_OUT,
  96         GPIO31_AC97_SYNC,
  97         GPIO45_AC97_SYSCLK,
  98
  99         /* Keypad */
 100         GPIO93_KP_DKIN_0,
 101         GPIO94_KP_DKIN_1,
 102         GPIO95_KP_DKIN_2,
 103         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
 104         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
 105         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
 106         GPIO97_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
 107         GPIO98_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
 108         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
 109         GPIO103_KP_MKOUT_0,
 110         GPIO104_KP_MKOUT_1,
 111         GPIO105_KP_MKOUT_2,
 112         GPIO106_KP_MKOUT_3,
 113         GPIO107_KP_MKOUT_4,
 114         GPIO108_KP_MKOUT_5,
 115         GPIO96_KP_MKOUT_6,
 116
 117         /* I2C */
 118         GPIO117_I2C_SCL,
 119         GPIO118_I2C_SDA,
 120
 121         /* GPIO */
 122         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
 123 };
 124
 125 static struct resource smc91x_resources[] = {
 126         [0] = {
 127                 .start  = (MST_ETH_PHYS + 0x300),
 128                 .end    = (MST_ETH_PHYS + 0xfffff),
 129                 .flags  = IORESOURCE_MEM,
 130         },
 131         [1] = {
 132                 .start  = MAINSTONE_IRQ(3),
 133                 .end    = MAINSTONE_IRQ(3),
 134                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 135         }
 136 };
 137
 138 static struct smc91x_platdata mainstone_smc91x_info = {
 139         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
 140                   SMC91X_NOWAIT | SMC91X_USE_DMA,
 141         .pxa_u16_align4 = true,
 142 };
 143
 144 static struct platform_device smc91x_device = {
 145         .name           = "smc91x",
 146         .id             = 0,
 147         .num_resources  = ARRAY_SIZE(smc91x_resources),
 148         .resource       = smc91x_resources,
 149         .dev            = {
 150                 .platform_data = &mainstone_smc91x_info,
 151         },
 152 };
 153
 154 static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
 155 {
 156         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 157                 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
 158         return 0;
 159 }
 160
 161 static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
 162 {
 163         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 164                 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
 165 }
 166
 167 static long mst_audio_suspend_mask;
 168
 169 static void mst_audio_suspend(void *priv)
 170 {
 171         mst_audio_suspend_mask = MST_MSCWR2;
 172         MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
 173 }
 174
 175 static void mst_audio_resume(void *priv)
 176 {
 177         MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
 178 }
 179
 180 static pxa2xx_audio_ops_t mst_audio_ops = {
 181         .startup        = mst_audio_startup,
 182         .shutdown       = mst_audio_shutdown,
 183         .suspend        = mst_audio_suspend,
 184         .resume         = mst_audio_resume,
 185 };
 186
 187 static struct resource flash_resources[] = {
 188         [0] = {
 189                 .start  = PXA_CS0_PHYS,
 190                 .end    = PXA_CS0_PHYS + SZ_64M - 1,
 191                 .flags  = IORESOURCE_MEM,
 192         },
 193         [1] = {
 194                 .start  = PXA_CS1_PHYS,
 195                 .end    = PXA_CS1_PHYS + SZ_64M - 1,
 196                 .flags  = IORESOURCE_MEM,
 197         },
 198 };
 199
 200 static struct mtd_partition mainstoneflash0_partitions[] = {
 201         {
 202                 .name =         "Bootloader",
 203                 .size =         0x00040000,
 204                 .offset =       0,
 205                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 206         },{
 207                 .name =         "Kernel",
 208                 .size =         0x00400000,
 209                 .offset =       0x00040000,
 210         },{
 211                 .name =         "Filesystem",
 212                 .size =         MTDPART_SIZ_FULL,
 213                 .offset =       0x00440000
 214         }
 215 };
 216
 217 static struct flash_platform_data mst_flash_data[2] = {
 218         {
 219                 .map_name       = "cfi_probe",
 220                 .parts          = mainstoneflash0_partitions,
 221                 .nr_parts       = ARRAY_SIZE(mainstoneflash0_partitions),
 222         }, {
 223                 .map_name       = "cfi_probe",
 224                 .parts          = NULL,
 225                 .nr_parts       = 0,
 226         }
 227 };
 228
 229 static struct platform_device mst_flash_device[2] = {
 230         {
 231                 .name           = "pxa2xx-flash",
 232                 .id             = 0,
 233                 .dev = {
 234                         .platform_data = &mst_flash_data[0],
 235                 },
 236                 .resource = &flash_resources[0],
 237                 .num_resources = 1,
 238         },
 239         {
 240                 .name           = "pxa2xx-flash",
 241                 .id             = 1,
 242                 .dev = {
 243                         .platform_data = &mst_flash_data[1],
 244                 },
 245                 .resource = &flash_resources[1],
 246                 .num_resources = 1,
 247         },
 248 };
 249
 250 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 251 static struct pwm_lookup mainstone_pwm_lookup[] = {
 252         PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 78770,
 253                    PWM_POLARITY_NORMAL),
 254 };
 255
 256 static struct platform_pwm_backlight_data mainstone_backlight_data = {
 257         .max_brightness = 1023,
 258         .dft_brightness = 1023,
 259 };
 260
 261 static struct platform_device mainstone_backlight_device = {
 262         .name           = "pwm-backlight",
 263         .dev            = {
 264                 .parent = &pxa27x_device_pwm0.dev,
 265                 .platform_data = &mainstone_backlight_data,
 266         },
 267 };
 268
 269 static void __init mainstone_backlight_register(void)
 270 {
 271         int ret;
 272
 273         pwm_add_table(mainstone_pwm_lookup, ARRAY_SIZE(mainstone_pwm_lookup));
 274
 275         ret = platform_device_register(&mainstone_backlight_device);
 276         if (ret) {
 277                 printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
 278                 pwm_remove_table(mainstone_pwm_lookup,
 279                                  ARRAY_SIZE(mainstone_pwm_lookup));
 280         }
 281 }
 282 #else
 283 #define mainstone_backlight_register()  do { } while (0)
 284 #endif
 285
 286 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
 287         .pixclock               = 50000,
 288         .xres                   = 640,
 289         .yres                   = 480,
 290         .bpp                    = 16,
 291         .hsync_len              = 1,
 292         .left_margin            = 0x9f,
 293         .right_margin           = 1,
 294         .vsync_len              = 44,
 295         .upper_margin           = 0,
 296         .lower_margin           = 0,
 297         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 298 };
 299
 300 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
 301         .pixclock               = 110000,
 302         .xres                   = 240,
 303         .yres                   = 320,
 304         .bpp                    = 16,
 305         .hsync_len              = 4,
 306         .left_margin            = 8,
 307         .right_margin           = 20,
 308         .vsync_len              = 3,
 309         .upper_margin           = 1,
 310         .lower_margin           = 10,
 311         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 312 };
 313
 314 static struct pxafb_mach_info mainstone_pxafb_info = {
 315         .num_modes              = 1,
 316         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 317 };
 318
 319 static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
 320 {
 321         int err;
 322
 323         /* make sure SD/Memory Stick multiplexer's signals
 324          * are routed to MMC controller
 325          */
 326         MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 327
 328         err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, 0,
 329                              "MMC card detect", data);
 330         if (err)
 331                 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 332
 333         return err;
 334 }
 335
 336 static int mainstone_mci_setpower(struct device *dev, unsigned int vdd)
 337 {
 338         struct pxamci_platform_data* p_d = dev->platform_data;
 339
 340         if (( 1 << vdd) & p_d->ocr_mask) {
 341                 printk(KERN_DEBUG "%s: on\n", __func__);
 342                 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
 343                 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 344         } else {
 345                 printk(KERN_DEBUG "%s: off\n", __func__);
 346                 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
 347         }
 348         return 0;
 349 }
 350
 351 static void mainstone_mci_exit(struct device *dev, void *data)
 352 {
 353         free_irq(MAINSTONE_MMC_IRQ, data);
 354 }
 355
 356 static struct pxamci_platform_data mainstone_mci_platform_data = {
 357         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 358         .init                   = mainstone_mci_init,
 359         .setpower               = mainstone_mci_setpower,
 360         .exit                   = mainstone_mci_exit,
 361 };
 362
 363 static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
 364 {
 365         unsigned long flags;
 366
 367         local_irq_save(flags);
 368         if (mode & IR_SIRMODE) {
 369                 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
 370         } else if (mode & IR_FIRMODE) {
 371                 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
 372         }
 373         pxa2xx_transceiver_mode(dev, mode);
 374         if (mode & IR_OFF) {
 375                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
 376         } else {
 377                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
 378         }
 379         local_irq_restore(flags);
 380 }
 381
 382 static struct pxaficp_platform_data mainstone_ficp_platform_data = {
 383         .gpio_pwdown            = -1,
 384         .transceiver_cap        = IR_SIRMODE | IR_FIRMODE | IR_OFF,
 385         .transceiver_mode       = mainstone_irda_transceiver_mode,
 386 };
 387
 388 static struct gpio_keys_button gpio_keys_button[] = {
 389         [0] = {
 390                 .desc   = "wakeup",
 391                 .code   = KEY_SUSPEND,
 392                 .type   = EV_KEY,
 393                 .gpio   = 1,
 394                 .wakeup = 1,
 395         },
 396 };
 397
 398 static struct gpio_keys_platform_data mainstone_gpio_keys = {
 399         .buttons        = gpio_keys_button,
 400         .nbuttons       = 1,
 401 };
 402
 403 static struct platform_device mst_gpio_keys_device = {
 404         .name           = "gpio-keys",
 405         .id             = -1,
 406         .dev            = {
 407                 .platform_data  = &mainstone_gpio_keys,
 408         },
 409 };
 410
 411 static struct resource mst_cplds_resources[] = {
 412         [0] = {
 413                 .start  = MST_FPGA_PHYS + 0xc0,
 414                 .end    = MST_FPGA_PHYS + 0xe0 - 1,
 415                 .flags  = IORESOURCE_MEM,
 416         },
 417         [1] = {
 418                 .start  = PXA_GPIO_TO_IRQ(0),
 419                 .end    = PXA_GPIO_TO_IRQ(0),
 420                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 421         },
 422         [2] = {
 423                 .start  = MAINSTONE_IRQ(0),
 424                 .end    = MAINSTONE_IRQ(15),
 425                 .flags  = IORESOURCE_IRQ,
 426         },
 427 };
 428
 429 static struct platform_device mst_cplds_device = {
 430         .name           = "pxa_cplds_irqs",
 431         .id             = -1,
 432         .resource       = &mst_cplds_resources[0],
 433         .num_resources  = 3,
 434 };
 435
 436 static struct platform_device *platform_devices[] __initdata = {
 437         &smc91x_device,
 438         &mst_flash_device[0],
 439         &mst_flash_device[1],
 440         &mst_gpio_keys_device,
 441         &mst_cplds_device,
 442 };
 443
 444 static struct pxaohci_platform_data mainstone_ohci_platform_data = {
 445         .port_mode      = PMM_PERPORT_MODE,
 446         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
 447 };
 448
 449 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 450 static const unsigned int mainstone_matrix_keys[] = {
 451         KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
 452         KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
 453         KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
 454         KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
 455         KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
 456         KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
 457         KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
 458         KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
 459         KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
 460
 461         KEY(0, 4, KEY_DOT),     /* . */
 462         KEY(1, 4, KEY_CLOSE),   /* @ */
 463         KEY(4, 4, KEY_SLASH),
 464         KEY(5, 4, KEY_BACKSLASH),
 465         KEY(0, 5, KEY_HOME),
 466         KEY(1, 5, KEY_LEFTSHIFT),
 467         KEY(2, 5, KEY_SPACE),
 468         KEY(3, 5, KEY_SPACE),
 469         KEY(4, 5, KEY_ENTER),
 470         KEY(5, 5, KEY_BACKSPACE),
 471
 472         KEY(0, 6, KEY_UP),
 473         KEY(1, 6, KEY_DOWN),
 474         KEY(2, 6, KEY_LEFT),
 475         KEY(3, 6, KEY_RIGHT),
 476         KEY(4, 6, KEY_SELECT),
 477 };
 478
 479 static struct matrix_keymap_data mainstone_matrix_keymap_data = {
 480         .keymap                 = mainstone_matrix_keys,
 481         .keymap_size            = ARRAY_SIZE(mainstone_matrix_keys),
 482 };
 483
 484 struct pxa27x_keypad_platform_data mainstone_keypad_info = {
 485         .matrix_key_rows        = 6,
 486         .matrix_key_cols        = 7,
 487         .matrix_keymap_data     = &mainstone_matrix_keymap_data,
 488
 489         .enable_rotary0         = 1,
 490         .rotary0_up_key         = KEY_UP,
 491         .rotary0_down_key       = KEY_DOWN,
 492
 493         .debounce_interval      = 30,
 494 };
 495
 496 static void __init mainstone_init_keypad(void)
 497 {
 498         pxa_set_keypad_info(&mainstone_keypad_info);
 499 }
 500 #else
 501 static inline void mainstone_init_keypad(void) {}
 502 #endif
 503
 504 static int mst_pcmcia0_irqs[11] = {
 505         [0 ... 4] = -1,
 506         [5] = MAINSTONE_S0_CD_IRQ,
 507         [6 ... 7] = -1,
 508         [8] = MAINSTONE_S0_STSCHG_IRQ,
 509         [9] = -1,
 510         [10] = MAINSTONE_S0_IRQ,
 511 };
 512
 513 static int mst_pcmcia1_irqs[11] = {
 514         [0 ... 4] = -1,
 515         [5] = MAINSTONE_S1_CD_IRQ,
 516         [6 ... 7] = -1,
 517         [8] = MAINSTONE_S1_STSCHG_IRQ,
 518         [9] = -1,
 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