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         .enable_gpio    = -1,
 260 };
 261
 262 static struct platform_device mainstone_backlight_device = {
 263         .name           = "pwm-backlight",
 264         .dev            = {
 265                 .parent = &pxa27x_device_pwm0.dev,
 266                 .platform_data = &mainstone_backlight_data,
 267         },
 268 };
 269
 270 static void __init mainstone_backlight_register(void)
 271 {
 272         int ret;
 273
 274         pwm_add_table(mainstone_pwm_lookup, ARRAY_SIZE(mainstone_pwm_lookup));
 275
 276         ret = platform_device_register(&mainstone_backlight_device);
 277         if (ret) {
 278                 printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
 279                 pwm_remove_table(mainstone_pwm_lookup,
 280                                  ARRAY_SIZE(mainstone_pwm_lookup));
 281         }
 282 }
 283 #else
 284 #define mainstone_backlight_register()  do { } while (0)
 285 #endif
 286
 287 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
 288         .pixclock               = 50000,
 289         .xres                   = 640,
 290         .yres                   = 480,
 291         .bpp                    = 16,
 292         .hsync_len              = 1,
 293         .left_margin            = 0x9f,
 294         .right_margin           = 1,
 295         .vsync_len              = 44,
 296         .upper_margin           = 0,
 297         .lower_margin           = 0,
 298         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 299 };
 300
 301 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
 302         .pixclock               = 110000,
 303         .xres                   = 240,
 304         .yres                   = 320,
 305         .bpp                    = 16,
 306         .hsync_len              = 4,
 307         .left_margin            = 8,
 308         .right_margin           = 20,
 309         .vsync_len              = 3,
 310         .upper_margin           = 1,
 311         .lower_margin           = 10,
 312         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 313 };
 314
 315 static struct pxafb_mach_info mainstone_pxafb_info = {
 316         .num_modes              = 1,
 317         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 318 };
 319
 320 static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
 321 {
 322         int err;
 323
 324         /* make sure SD/Memory Stick multiplexer's signals
 325          * are routed to MMC controller
 326          */
 327         MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 328
 329         err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, 0,
 330                              "MMC card detect", data);
 331         if (err)
 332                 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 333
 334         return err;
 335 }
 336
 337 static int mainstone_mci_setpower(struct device *dev, unsigned int vdd)
 338 {
 339         struct pxamci_platform_data* p_d = dev->platform_data;
 340
 341         if (( 1 << vdd) & p_d->ocr_mask) {
 342                 printk(KERN_DEBUG "%s: on\n", __func__);
 343                 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
 344                 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 345         } else {
 346                 printk(KERN_DEBUG "%s: off\n", __func__);
 347                 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
 348         }
 349         return 0;
 350 }
 351
 352 static void mainstone_mci_exit(struct device *dev, void *data)
 353 {
 354         free_irq(MAINSTONE_MMC_IRQ, data);
 355 }
 356
 357 static struct pxamci_platform_data mainstone_mci_platform_data = {
 358         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 359         .init                   = mainstone_mci_init,
 360         .setpower               = mainstone_mci_setpower,
 361         .exit                   = mainstone_mci_exit,
 362 };
 363
 364 static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
 365 {
 366         unsigned long flags;
 367
 368         local_irq_save(flags);
 369         if (mode & IR_SIRMODE) {
 370                 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
 371         } else if (mode & IR_FIRMODE) {
 372                 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
 373         }
 374         pxa2xx_transceiver_mode(dev, mode);
 375         if (mode & IR_OFF) {
 376                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
 377         } else {
 378                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
 379         }
 380         local_irq_restore(flags);
 381 }
 382
 383 static struct pxaficp_platform_data mainstone_ficp_platform_data = {
 384         .gpio_pwdown            = -1,
 385         .transceiver_cap        = IR_SIRMODE | IR_FIRMODE | IR_OFF,
 386         .transceiver_mode       = mainstone_irda_transceiver_mode,
 387 };
 388
 389 static struct gpio_keys_button gpio_keys_button[] = {
 390         [0] = {
 391                 .desc   = "wakeup",
 392                 .code   = KEY_SUSPEND,
 393                 .type   = EV_KEY,
 394                 .gpio   = 1,
 395                 .wakeup = 1,
 396         },
 397 };
 398
 399 static struct gpio_keys_platform_data mainstone_gpio_keys = {
 400         .buttons        = gpio_keys_button,
 401         .nbuttons       = 1,
 402 };
 403
 404 static struct platform_device mst_gpio_keys_device = {
 405         .name           = "gpio-keys",
 406         .id             = -1,
 407         .dev            = {
 408                 .platform_data  = &mainstone_gpio_keys,
 409         },
 410 };
 411
 412 static struct resource mst_cplds_resources[] = {
 413         [0] = {
 414                 .start  = MST_FPGA_PHYS + 0xc0,
 415                 .end    = MST_FPGA_PHYS + 0xe0 - 1,
 416                 .flags  = IORESOURCE_MEM,
 417         },
 418         [1] = {
 419                 .start  = PXA_GPIO_TO_IRQ(0),
 420                 .end    = PXA_GPIO_TO_IRQ(0),
 421                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 422         },
 423         [2] = {
 424                 .start  = MAINSTONE_IRQ(0),
 425                 .end    = MAINSTONE_IRQ(15),
 426                 .flags  = IORESOURCE_IRQ,
 427         },
 428 };
 429
 430 static struct platform_device mst_cplds_device = {
 431         .name           = "pxa_cplds_irqs",
 432         .id             = -1,
 433         .resource       = &mst_cplds_resources[0],
 434         .num_resources  = 3,
 435 };
 436
 437 static struct platform_device *platform_devices[] __initdata = {
 438         &smc91x_device,
 439         &mst_flash_device[0],
 440         &mst_flash_device[1],
 441         &mst_gpio_keys_device,
 442         &mst_cplds_device,
 443 };
 444
 445 static struct pxaohci_platform_data mainstone_ohci_platform_data = {
 446         .port_mode      = PMM_PERPORT_MODE,
 447         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
 448 };
 449
 450 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 451 static const unsigned int mainstone_matrix_keys[] = {
 452         KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
 453         KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
 454         KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
 455         KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
 456         KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
 457         KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
 458         KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
 459         KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
 460         KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
 461
 462         KEY(0, 4, KEY_DOT),     /* . */
 463         KEY(1, 4, KEY_CLOSE),   /* @ */
 464         KEY(4, 4, KEY_SLASH),
 465         KEY(5, 4, KEY_BACKSLASH),
 466         KEY(0, 5, KEY_HOME),
 467         KEY(1, 5, KEY_LEFTSHIFT),
 468         KEY(2, 5, KEY_SPACE),
 469         KEY(3, 5, KEY_SPACE),
 470         KEY(4, 5, KEY_ENTER),
 471         KEY(5, 5, KEY_BACKSPACE),
 472
 473         KEY(0, 6, KEY_UP),
 474         KEY(1, 6, KEY_DOWN),
 475         KEY(2, 6, KEY_LEFT),
 476         KEY(3, 6, KEY_RIGHT),
 477         KEY(4, 6, KEY_SELECT),
 478 };
 479
 480 static struct matrix_keymap_data mainstone_matrix_keymap_data = {
 481         .keymap                 = mainstone_matrix_keys,
 482         .keymap_size            = ARRAY_SIZE(mainstone_matrix_keys),
 483 };
 484
 485 struct pxa27x_keypad_platform_data mainstone_keypad_info = {
 486         .matrix_key_rows        = 6,
 487         .matrix_key_cols        = 7,
 488         .matrix_keymap_data     = &mainstone_matrix_keymap_data,
 489
 490         .enable_rotary0         = 1,
 491         .rotary0_up_key         = KEY_UP,
 492         .rotary0_down_key       = KEY_DOWN,
 493
 494         .debounce_interval      = 30,
 495 };
 496
 497 static void __init mainstone_init_keypad(void)
 498 {
 499         pxa_set_keypad_info(&mainstone_keypad_info);
 500 }
 501 #else
 502 static inline void mainstone_init_keypad(void) {}
 503 #endif
 504
 505 static int mst_pcmcia0_irqs[11] = {
 506         [0 ... 10] = -1,
 507         [5] = MAINSTONE_S0_CD_IRQ,
 508         [8] = MAINSTONE_S0_STSCHG_IRQ,
 509         [10] = MAINSTONE_S0_IRQ,
 510 };
 511
 512 static int mst_pcmcia1_irqs[11] = {
 513         [0 ... 10] = -1,
 514         [5] = MAINSTONE_S1_CD_IRQ,
 515         [8] = MAINSTONE_S1_STSCHG_IRQ,
 516         [10] = MAINSTONE_S1_IRQ,
 517 };
 518
 519 static struct gpiod_lookup_table mainstone_pcmcia_gpio_table = {
 520         .dev_id = "pxa2xx-pcmcia",
 521         .table = {
 522                 GPIO_LOOKUP("mst-pcmcia0",  0, "a0vpp",   GPIO_ACTIVE_HIGH),
 523                 GPIO_LOOKUP("mst-pcmcia0",  1, "a1vpp",   GPIO_ACTIVE_HIGH),
 524                 GPIO_LOOKUP("mst-pcmcia0",  2, "a0vcc",   GPIO_ACTIVE_HIGH),
 525                 GPIO_LOOKUP("mst-pcmcia0",  3, "a1vcc",   GPIO_ACTIVE_HIGH),
 526                 GPIO_LOOKUP("mst-pcmcia0",  4, "areset",  GPIO_ACTIVE_HIGH),
 527                 GPIO_LOOKUP("mst-pcmcia0",  5, "adetect", GPIO_ACTIVE_LOW),
 528                 GPIO_LOOKUP("mst-pcmcia0",  6, "avs1",    GPIO_ACTIVE_LOW),
 529                 GPIO_LOOKUP("mst-pcmcia0",  7, "avs2",    GPIO_ACTIVE_LOW),
 530                 GPIO_LOOKUP("mst-pcmcia0",  8, "abvd1",   GPIO_ACTIVE_HIGH),
 531                 GPIO_LOOKUP("mst-pcmcia0",  9, "abvd2",   GPIO_ACTIVE_HIGH),
 532                 GPIO_LOOKUP("mst-pcmcia0", 10, "aready",  GPIO_ACTIVE_HIGH),
 533                 GPIO_LOOKUP("mst-pcmcia1",  0, "b0vpp",   GPIO_ACTIVE_HIGH),
 534                 GPIO_LOOKUP("mst-pcmcia1",  1, "b1vpp",   GPIO_ACTIVE_HIGH),
 535                 GPIO_LOOKUP("mst-pcmcia1",  2, "b0vcc",   GPIO_ACTIVE_HIGH),
 536                 GPIO_LOOKUP("mst-pcmcia1",  3, "b1vcc",   GPIO_ACTIVE_HIGH),
 537                 GPIO_LOOKUP("mst-pcmcia1",  4, "breset",  GPIO_ACTIVE_HIGH),
 538                 GPIO_LOOKUP("mst-pcmcia1",  5, "bdetect", GPIO_ACTIVE_LOW),
 539                 GPIO_LOOKUP("mst-pcmcia1",  6, "bvs1",    GPIO_ACTIVE_LOW),
 540                 GPIO_LOOKUP("mst-pcmcia1",  7, "bvs2",    GPIO_ACTIVE_LOW),
 541                 GPIO_LOOKUP("mst-pcmcia1",  8, "bbvd1",   GPIO_ACTIVE_HIGH),
 542                 GPIO_LOOKUP("mst-pcmcia1",  9, "bbvd2",   GPIO_ACTIVE_HIGH),
 543                 GPIO_LOOKUP("mst-pcmcia1", 10, "bready",  GPIO_ACTIVE_HIGH),
 544                 { },
 545         },
 546 };
 547
 548 static void __init mainstone_init(void)
 549 {
 550         int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
 551
 552         pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
 553
 554         /* Register board control register(s) as GPIOs */
 555         gpio_reg_init(NULL, (void __iomem *)&MST_PCMCIA0, -1, 11,
 556                       "mst-pcmcia0", MST_PCMCIA_INPUTS, 0, NULL,
 557                       NULL, mst_pcmcia0_irqs);
 558         gpio_reg_init(NULL, (void __iomem *)&MST_PCMCIA1, -1, 11,
 559                       "mst-pcmcia1", MST_PCMCIA_INPUTS, 0, NULL,
 560                       NULL, mst_pcmcia1_irqs);
 561         gpiod_add_lookup_table(&mainstone_pcmcia_gpio_table);
 562
 563         pxa_set_ffuart_info(NULL);
 564         pxa_set_btuart_info(NULL);
 565         pxa_set_stuart_info(NULL);
 566
 567         mst_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
 568         mst_flash_data[1].width = 4;
 569
 570         /* Compensate for SW7 which swaps the flash banks */
 571         mst_flash_data[SW7].name = "processor-flash";
 572         mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
 573
 574         printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
 575                mst_flash_data[0].name);
 576
 577         /* system bus arbiter setting
 578          * - Core_Park
 579          * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
 580          */
 581         ARB_CNTRL = ARB_CORE_PARK | 0x234;
 582
 583         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 584
 585         /* reading Mainstone's "Virtual Configuration Register"
 586            might be handy to select LCD type here */
 587         if (0)
 588                 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
 589         else
 590                 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
 591
 592         pxa_set_fb_info(NULL, &mainstone_pxafb_info);
 593         mainstone_backlight_register();
 594
 595         pxa_set_mci_info(&mainstone_mci_platform_data);
 596         pxa_set_ficp_info(&mainstone_ficp_platform_data);
 597         pxa_set_ohci_info(&mainstone_ohci_platform_data);
 598         pxa_set_i2c_info(NULL);
 599         pxa_set_ac97_info(&mst_audio_ops);
 600
 601         mainstone_init_keypad();
 602 }
 603
 604
 605 static struct map_desc mainstone_io_desc[] __initdata = {
 606         {       /* CPLD */
 607                 .virtual        =  MST_FPGA_VIRT,
 608                 .pfn            = __phys_to_pfn(MST_FPGA_PHYS),
 609                 .length         = 0x00100000,
 610                 .type           = MT_DEVICE
 611         }
 612 };
 613
 614 static void __init mainstone_map_io(void)
 615 {
 616         pxa27x_map_io();
 617         iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
 618
 619         /*      for use I SRAM as framebuffer.  */
 620         PSLR |= 0xF04;
 621         PCFR = 0x66;
 622 }
 623
 624 /*
 625  * Driver for the 8 discrete LEDs available for general use:
 626  * Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays
 627  * so be sure to not monkey with them here.
 628  */
 629
 630 #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
 631 struct mainstone_led {
 632         struct led_classdev     cdev;
 633         u8                      mask;
 634 };
 635
 636 /*
 637  * The triggers lines up below will only be used if the
 638  * LED triggers are compiled in.
 639  */
 640 static const struct {
 641         const char *name;
 642         const char *trigger;
 643 } mainstone_leds[] = {
 644         { "mainstone:D28", "default-on", },
 645         { "mainstone:D27", "cpu0", },
 646         { "mainstone:D26", "heartbeat" },
 647         { "mainstone:D25", },
 648         { "mainstone:D24", },
 649         { "mainstone:D23", },
 650         { "mainstone:D22", },
 651         { "mainstone:D21", },
 652 };
 653
 654 static void mainstone_led_set(struct led_classdev *cdev,
 655                               enum led_brightness b)
 656 {
 657         struct mainstone_led *led = container_of(cdev,
 658                                          struct mainstone_led, cdev);
 659         u32 reg = MST_LEDCTRL;
 660
 661         if (b != LED_OFF)
 662                 reg |= led->mask;
 663         else
 664                 reg &= ~led->mask;
 665
 666         MST_LEDCTRL = reg;
 667 }
 668
 669 static enum led_brightness mainstone_led_get(struct led_classdev *cdev)
 670 {
 671         struct mainstone_led *led = container_of(cdev,
 672                                          struct mainstone_led, cdev);
 673         u32 reg = MST_LEDCTRL;
 674
 675         return (reg & led->mask) ? LED_FULL : LED_OFF;
 676 }
 677
 678 static int __init mainstone_leds_init(void)
 679 {
 680         int i;
 681
 682         if (!machine_is_mainstone())
 683                 return -ENODEV;
 684
 685         /* All ON */
 686         MST_LEDCTRL |= 0xff;
 687         for (i = 0; i < ARRAY_SIZE(mainstone_leds); i++) {
 688                 struct mainstone_led *led;
 689
 690                 led = kzalloc(sizeof(*led), GFP_KERNEL);
 691                 if (!led)
 692                         break;
 693
 694                 led->cdev.name = mainstone_leds[i].name;
 695                 led->cdev.brightness_set = mainstone_led_set;
 696                 led->cdev.brightness_get = mainstone_led_get;
 697                 led->cdev.default_trigger = mainstone_leds[i].trigger;
 698                 led->mask = BIT(i);
 699
 700                 if (led_classdev_register(NULL, &led->cdev) < 0) {
 701                         kfree(led);
 702                         break;
 703                 }
 704         }
 705
 706         return 0;
 707 }
 708
 709 /*
 710  * Since we may have triggers on any subsystem, defer registration
 711  * until after subsystem_init.
 712  */
 713 fs_initcall(mainstone_leds_init);
 714 #endif
 715
 716 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
 717         /* Maintainer: MontaVista Software Inc. */
 718         .atag_offset    = 0x100,        /* BLOB boot parameter setting */
 719         .map_io         = mainstone_map_io,
 720         .nr_irqs        = MAINSTONE_NR_IRQS,
 721         .init_irq       = pxa27x_init_irq,
 722         .handle_irq     = pxa27x_handle_irq,
 723         .init_time      = pxa_timer_init,
 724         .init_machine   = mainstone_init,
 725         .restart        = pxa_restart,
 726 MACHINE_END