LXR linux/arch/arm/mach-s3c2440/mach-mini2440.c

   1/* linux/arch/arm/mach-s3c2440/mach-mini2440.c
   2 *
   3 * Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com>
   4 *      Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk>
   5 *      and modifications by SBZ <sbz@spgui.org> and
   6 *      Weibing <http://weibing.blogbus.com> and
   7 *      Michel Pollet <buserror@gmail.com>
   8 *
   9 * For product information, visit http://code.google.com/p/mini2440/
  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/kernel.h>
  17#include <linux/types.h>
  18#include <linux/interrupt.h>
  19#include <linux/list.h>
  20#include <linux/timer.h>
  21#include <linux/init.h>
  22#include <linux/gpio.h>
  23#include <linux/input.h>
  24#include <linux/io.h>
  25#include <linux/serial_core.h>
  26#include <linux/dm9000.h>
  27#include <linux/i2c/at24.h>
  28#include <linux/platform_device.h>
  29#include <linux/gpio_keys.h>
  30#include <linux/i2c.h>
  31#include <linux/mmc/host.h>
  32
  33#include <asm/mach/arch.h>
  34#include <asm/mach/map.h>
  35
  36#include <mach/hardware.h>
  37#include <mach/fb.h>
  38#include <asm/mach-types.h>
  39
  40#include <plat/regs-serial.h>
  41#include <mach/regs-gpio.h>
  42#include <mach/leds-gpio.h>
  43#include <mach/regs-mem.h>
  44#include <mach/regs-lcd.h>
  45#include <mach/irqs.h>
  46#include <plat/nand.h>
  47#include <plat/iic.h>
  48#include <plat/mci.h>
  49#include <plat/udc.h>
  50
  51#include <linux/mtd/mtd.h>
  52#include <linux/mtd/nand.h>
  53#include <linux/mtd/nand_ecc.h>
  54#include <linux/mtd/partitions.h>
  55
  56#include <plat/gpio-cfg.h>
  57#include <plat/clock.h>
  58#include <plat/devs.h>
  59#include <plat/cpu.h>
  60
  61#include <sound/s3c24xx_uda134x.h>
  62
  63#define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300)
  64
  65static struct map_desc mini2440_iodesc[] __initdata = {
  66        /* nothing to declare, move along */
  67};
  68
  69#define UCON S3C2410_UCON_DEFAULT
  70#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  71#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  72
  73
  74static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = {
  75        [0] = {
  76                .hwport      = 0,
  77                .flags       = 0,
  78                .ucon        = UCON,
  79                .ulcon       = ULCON,
  80                .ufcon       = UFCON,
  81        },
  82        [1] = {
  83                .hwport      = 1,
  84                .flags       = 0,
  85                .ucon        = UCON,
  86                .ulcon       = ULCON,
  87                .ufcon       = UFCON,
  88        },
  89        [2] = {
  90                .hwport      = 2,
  91                .flags       = 0,
  92                .ucon        = UCON,
  93                .ulcon       = ULCON,
  94                .ufcon       = UFCON,
  95        },
  96};
  97
  98/* USB device UDC support */
  99
 100static void mini2440_udc_pullup(enum s3c2410_udc_cmd_e cmd)
 101{
 102        pr_debug("udc: pullup(%d)\n", cmd);
 103
 104        switch (cmd) {
 105                case S3C2410_UDC_P_ENABLE :
 106                        gpio_set_value(S3C2410_GPC(5), 1);
 107                        break;
 108                case S3C2410_UDC_P_DISABLE :
 109                        gpio_set_value(S3C2410_GPC(5), 0);
 110                        break;
 111                case S3C2410_UDC_P_RESET :
 112                        break;
 113                default:
 114                        break;
 115        }
 116}
 117
 118static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = {
 119        .udc_command            = mini2440_udc_pullup,
 120};
 121
 122
 123/* LCD timing and setup */
 124
 125/*
 126 * This macro simplifies the table bellow
 127 */
 128#define _LCD_DECLARE(_clock,_xres,margin_left,margin_right,hsync, \
 129                        _yres,margin_top,margin_bottom,vsync, refresh) \
 130        .width = _xres, \
 131        .xres = _xres, \
 132        .height = _yres, \
 133        .yres = _yres, \
 134        .left_margin    = margin_left,  \
 135        .right_margin   = margin_right, \
 136        .upper_margin   = margin_top,   \
 137        .lower_margin   = margin_bottom,        \
 138        .hsync_len      = hsync,        \
 139        .vsync_len      = vsync,        \
 140        .pixclock       = ((_clock*100000000000LL) /    \
 141                           ((refresh) * \
 142                           (hsync + margin_left + _xres + margin_right) * \
 143                           (vsync + margin_top + _yres + margin_bottom))), \
 144        .bpp            = 16,\
 145        .type           = (S3C2410_LCDCON1_TFT16BPP |\
 146                           S3C2410_LCDCON1_TFT)
 147
 148static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = {
 149        [0] = { /* mini2440 + 3.5" TFT + touchscreen */
 150                _LCD_DECLARE(
 151                        7,                      /* The 3.5 is quite fast */
 152                        240, 21, 38, 6,         /* x timing */
 153                        320, 4, 4, 2,           /* y timing */
 154                        60),                    /* refresh rate */
 155                .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
 156                                   S3C2410_LCDCON5_INVVLINE |
 157                                   S3C2410_LCDCON5_INVVFRAME |
 158                                   S3C2410_LCDCON5_INVVDEN |
 159                                   S3C2410_LCDCON5_PWREN),
 160        },
 161        [1] = { /* mini2440 + 7" TFT + touchscreen */
 162                _LCD_DECLARE(
 163                        10,                     /* the 7" runs slower */
 164                        800, 40, 40, 48,        /* x timing */
 165                        480, 29, 3, 3,          /* y timing */
 166                        50),                    /* refresh rate */
 167                .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
 168                                   S3C2410_LCDCON5_INVVLINE |
 169                                   S3C2410_LCDCON5_INVVFRAME |
 170                                   S3C2410_LCDCON5_PWREN),
 171        },
 172        /* The VGA shield can outout at several resolutions. All share 
 173         * the same timings, however, anything smaller than 1024x768
 174         * will only be displayed in the top left corner of a 1024x768
 175         * XGA output unless you add optional dip switches to the shield.
 176         * Therefore timings for other resolutions have been ommited here.
 177         */
 178        [2] = {
 179                _LCD_DECLARE(
 180                        10,
 181                        1024, 1, 2, 2,          /* y timing */
 182                        768, 200, 16, 16,       /* x timing */
 183                        24),    /* refresh rate, maximum stable,
 184                                 tested with the FPGA shield */
 185                .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
 186                                   S3C2410_LCDCON5_HWSWP),
 187        },
 188};
 189
 190/* todo - put into gpio header */
 191
 192#define S3C2410_GPCCON_MASK(x)  (3 << ((x) * 2))
 193#define S3C2410_GPDCON_MASK(x)  (3 << ((x) * 2))
 194
 195static struct s3c2410fb_mach_info mini2440_fb_info __initdata = {
 196        .displays        = &mini2440_lcd_cfg[0], /* not constant! see init */
 197        .num_displays    = 1,
 198        .default_display = 0,
 199
 200        /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
 201         * and disable the pull down resistors on pins we are using for LCD
 202         * data. */
 203
 204        .gpcup          = (0xf << 1) | (0x3f << 10),
 205
 206        .gpccon         = (S3C2410_GPC1_VCLK   | S3C2410_GPC2_VLINE |
 207                           S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM |
 208                           S3C2410_GPC10_VD2   | S3C2410_GPC11_VD3 |
 209                           S3C2410_GPC12_VD4   | S3C2410_GPC13_VD5 |
 210                           S3C2410_GPC14_VD6   | S3C2410_GPC15_VD7),
 211
 212        .gpccon_mask    = (S3C2410_GPCCON_MASK(1)  | S3C2410_GPCCON_MASK(2)  |
 213                           S3C2410_GPCCON_MASK(3)  | S3C2410_GPCCON_MASK(4)  |
 214                           S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
 215                           S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
 216                           S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),
 217
 218        .gpdup          = (0x3f << 2) | (0x3f << 10),
 219
 220        .gpdcon         = (S3C2410_GPD2_VD10  | S3C2410_GPD3_VD11 |
 221                           S3C2410_GPD4_VD12  | S3C2410_GPD5_VD13 |
 222                           S3C2410_GPD6_VD14  | S3C2410_GPD7_VD15 |
 223                           S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 |
 224                           S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 |
 225                           S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23),
 226
 227        .gpdcon_mask    = (S3C2410_GPDCON_MASK(2)  | S3C2410_GPDCON_MASK(3) |
 228                           S3C2410_GPDCON_MASK(4)  | S3C2410_GPDCON_MASK(5) |
 229                           S3C2410_GPDCON_MASK(6)  | S3C2410_GPDCON_MASK(7) |
 230                           S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
 231                           S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
 232                           S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
 233};
 234
 235/* MMC/SD  */
 236
 237static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = {
 238   .gpio_detect   = S3C2410_GPG(8),
 239   .gpio_wprotect = S3C2410_GPH(8),
 240   .set_power     = NULL,
 241   .ocr_avail     = MMC_VDD_32_33|MMC_VDD_33_34,
 242};
 243
 244/* NAND Flash on MINI2440 board */
 245
 246static struct mtd_partition mini2440_default_nand_part[] __initdata = {
 247        [0] = {
 248                .name   = "u-boot",
 249                .size   = SZ_256K,
 250                .offset = 0,
 251        },
 252        [1] = {
 253                .name   = "u-boot-env",
 254                .size   = SZ_128K,
 255                .offset = SZ_256K,
 256        },
 257        [2] = {
 258                .name   = "kernel",
 259                /* 5 megabytes, for a kernel with no modules
 260                 * or a uImage with a ramdisk attached */
 261                .size   = 0x00500000,
 262                .offset = SZ_256K + SZ_128K,
 263        },
 264        [3] = {
 265                .name   = "root",
 266                .offset = SZ_256K + SZ_128K + 0x00500000,
 267                .size   = MTDPART_SIZ_FULL,
 268        },
 269};
 270
 271static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = {
 272        [0] = {
 273                .name           = "nand",
 274                .nr_chips       = 1,
 275                .nr_partitions  = ARRAY_SIZE(mini2440_default_nand_part),
 276                .partitions     = mini2440_default_nand_part,
 277                .flash_bbt      = 1, /* we use u-boot to create a BBT */
 278        },
 279};
 280
 281static struct s3c2410_platform_nand mini2440_nand_info __initdata = {
 282        .tacls          = 0,
 283        .twrph0         = 25,
 284        .twrph1         = 15,
 285        .nr_sets        = ARRAY_SIZE(mini2440_nand_sets),
 286        .sets           = mini2440_nand_sets,
 287        .ignore_unset_ecc = 1,
 288};
 289
 290/* DM9000AEP 10/100 ethernet controller */
 291
 292static struct resource mini2440_dm9k_resource[] = {
 293        [0] = {
 294                .start = MACH_MINI2440_DM9K_BASE,
 295                .end   = MACH_MINI2440_DM9K_BASE + 3,
 296                .flags = IORESOURCE_MEM
 297        },
 298        [1] = {
 299                .start = MACH_MINI2440_DM9K_BASE + 4,
 300                .end   = MACH_MINI2440_DM9K_BASE + 7,
 301                .flags = IORESOURCE_MEM
 302        },
 303        [2] = {
 304                .start = IRQ_EINT7,
 305                .end   = IRQ_EINT7,
 306                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 307        }
 308};
 309
 310/*
 311 * The DM9000 has no eeprom, and it's MAC address is set by
 312 * the bootloader before starting the kernel.
 313 */
 314static struct dm9000_plat_data mini2440_dm9k_pdata = {
 315        .flags          = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
 316};
 317
 318static struct platform_device mini2440_device_eth = {
 319        .name           = "dm9000",
 320        .id             = -1,
 321        .num_resources  = ARRAY_SIZE(mini2440_dm9k_resource),
 322        .resource       = mini2440_dm9k_resource,
 323        .dev            = {
 324                .platform_data  = &mini2440_dm9k_pdata,
 325        },
 326};
 327
 328/*  CON5
 329 *      +--+     /-----\
 330 *      |  |    |       |
 331 *      |  |    |  BAT  |
 332 *      |  |     \_____/
 333 *      |  |
 334 *      |  |  +----+  +----+
 335 *      |  |  | K5 |  | K1 |
 336 *      |  |  +----+  +----+
 337 *      |  |  +----+  +----+
 338 *      |  |  | K4 |  | K2 |
 339 *      |  |  +----+  +----+
 340 *      |  |  +----+  +----+
 341 *      |  |  | K6 |  | K3 |
 342 *      |  |  +----+  +----+
 343 *        .....
 344 */
 345static struct gpio_keys_button mini2440_buttons[] = {
 346        {
 347                .gpio           = S3C2410_GPG(0),               /* K1 */
 348                .code           = KEY_F1,
 349                .desc           = "Button 1",
 350                .active_low     = 1,
 351        },
 352        {
 353                .gpio           = S3C2410_GPG(3),               /* K2 */
 354                .code           = KEY_F2,
 355                .desc           = "Button 2",
 356                .active_low     = 1,
 357        },
 358        {
 359                .gpio           = S3C2410_GPG(5),               /* K3 */
 360                .code           = KEY_F3,
 361                .desc           = "Button 3",
 362                .active_low     = 1,
 363        },
 364        {
 365                .gpio           = S3C2410_GPG(6),               /* K4 */
 366                .code           = KEY_POWER,
 367                .desc           = "Power",
 368                .active_low     = 1,
 369        },
 370        {
 371                .gpio           = S3C2410_GPG(7),               /* K5 */
 372                .code           = KEY_F5,
 373                .desc           = "Button 5",
 374                .active_low     = 1,
 375        },
 376#if 0
 377        /* this pin is also known as TCLK1 and seems to already
 378         * marked as "in use" somehow in the kernel -- possibly wrongly */
 379        {
 380                .gpio           = S3C2410_GPG(11),      /* K6 */
 381                .code           = KEY_F6,
 382                .desc           = "Button 6",
 383                .active_low     = 1,
 384        },
 385#endif
 386};
 387
 388static struct gpio_keys_platform_data mini2440_button_data = {
 389        .buttons        = mini2440_buttons,
 390        .nbuttons       = ARRAY_SIZE(mini2440_buttons),
 391};
 392
 393static struct platform_device mini2440_button_device = {
 394        .name           = "gpio-keys",
 395        .id             = -1,
 396        .dev            = {
 397                .platform_data  = &mini2440_button_data,
 398        }
 399};
 400
 401/* LEDS */
 402
 403static struct s3c24xx_led_platdata mini2440_led1_pdata = {
 404        .name           = "led1",
 405        .gpio           = S3C2410_GPB(5),
 406        .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 407        .def_trigger    = "heartbeat",
 408};
 409
 410static struct s3c24xx_led_platdata mini2440_led2_pdata = {
 411        .name           = "led2",
 412        .gpio           = S3C2410_GPB(6),
 413        .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 414        .def_trigger    = "nand-disk",
 415};
 416
 417static struct s3c24xx_led_platdata mini2440_led3_pdata = {
 418        .name           = "led3",
 419        .gpio           = S3C2410_GPB(7),
 420        .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 421        .def_trigger    = "mmc0",
 422};
 423
 424static struct s3c24xx_led_platdata mini2440_led4_pdata = {
 425        .name           = "led4",
 426        .gpio           = S3C2410_GPB(8),
 427        .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 428        .def_trigger    = "",
 429};
 430
 431static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = {
 432        .name           = "backlight",
 433        .gpio           = S3C2410_GPG(4),
 434        .def_trigger    = "backlight",
 435};
 436
 437static struct platform_device mini2440_led1 = {
 438        .name           = "s3c24xx_led",
 439        .id             = 1,
 440        .dev            = {
 441                .platform_data  = &mini2440_led1_pdata,
 442        },
 443};
 444
 445static struct platform_device mini2440_led2 = {
 446        .name           = "s3c24xx_led",
 447        .id             = 2,
 448        .dev            = {
 449                .platform_data  = &mini2440_led2_pdata,
 450        },
 451};
 452
 453static struct platform_device mini2440_led3 = {
 454        .name           = "s3c24xx_led",
 455        .id             = 3,
 456        .dev            = {
 457                .platform_data  = &mini2440_led3_pdata,
 458        },
 459};
 460
 461static struct platform_device mini2440_led4 = {
 462        .name           = "s3c24xx_led",
 463        .id             = 4,
 464        .dev            = {
 465                .platform_data  = &mini2440_led4_pdata,
 466        },
 467};
 468
 469static struct platform_device mini2440_led_backlight = {
 470        .name           = "s3c24xx_led",
 471        .id             = 5,
 472        .dev            = {
 473                .platform_data  = &mini2440_led_backlight_pdata,
 474        },
 475};
 476
 477/* AUDIO */
 478
 479static struct s3c24xx_uda134x_platform_data mini2440_audio_pins = {
 480        .l3_clk = S3C2410_GPB(4),
 481        .l3_mode = S3C2410_GPB(2),
 482        .l3_data = S3C2410_GPB(3),
 483        .model = UDA134X_UDA1341
 484};
 485
 486static struct platform_device mini2440_audio = {
 487        .name           = "s3c24xx_uda134x",
 488        .id             = 0,
 489        .dev            = {
 490                .platform_data  = &mini2440_audio_pins,
 491        },
 492};
 493
 494/*
 495 * I2C devices
 496 */
 497static struct at24_platform_data at24c08 = {
 498        .byte_len       = SZ_8K / 8,
 499        .page_size      = 16,
 500};
 501
 502static struct i2c_board_info mini2440_i2c_devs[] __initdata = {
 503        {
 504                I2C_BOARD_INFO("24c08", 0x50),
 505                .platform_data = &at24c08,
 506        },
 507};
 508
 509static struct platform_device *mini2440_devices[] __initdata = {
 510        &s3c_device_ohci,
 511        &s3c_device_wdt,
 512        &s3c_device_i2c0,
 513        &s3c_device_rtc,
 514        &s3c_device_usbgadget,
 515        &mini2440_device_eth,
 516        &mini2440_led1,
 517        &mini2440_led2,
 518        &mini2440_led3,
 519        &mini2440_led4,
 520        &mini2440_button_device,
 521        &s3c_device_nand,
 522        &s3c_device_sdi,
 523        &s3c_device_iis,
 524        &mini2440_audio,
 525};
 526
 527static void __init mini2440_map_io(void)
 528{
 529        s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc));
 530        s3c24xx_init_clocks(12000000);
 531        s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs));
 532}
 533
 534/*
 535 * mini2440_features string
 536 *
 537 * t = Touchscreen present
 538 * b = backlight control
 539 * c = camera [TODO]
 540 * 0-9 LCD configuration
 541 *
 542 */
 543static char mini2440_features_str[12] __initdata = "0tb";
 544
 545static int __init mini2440_features_setup(char *str)
 546{
 547        if (str)
 548                strlcpy(mini2440_features_str, str, sizeof(mini2440_features_str));
 549        return 1;
 550}
 551
 552__setup("mini2440=", mini2440_features_setup);
 553
 554#define FEATURE_SCREEN (1 << 0)
 555#define FEATURE_BACKLIGHT (1 << 1)
 556#define FEATURE_TOUCH (1 << 2)
 557#define FEATURE_CAMERA (1 << 3)
 558
 559struct mini2440_features_t {
 560        int count;
 561        int done;
 562        int lcd_index;
 563        struct platform_device *optional[8];
 564};
 565
 566static void mini2440_parse_features(
 567                struct mini2440_features_t * features,
 568                const char * features_str )
 569{
 570        const char * fp = features_str;
 571
 572        features->count = 0;
 573        features->done = 0;
 574        features->lcd_index = -1;
 575
 576        while (*fp) {
 577                char f = *fp++;
 578
 579                switch (f) {
 580                case '0'...'9': /* tft screen */
 581                        if (features->done & FEATURE_SCREEN) {
 582                                printk(KERN_INFO "MINI2440: '%c' ignored, "
 583                                        "screen type already set\n", f);
 584                        } else {
 585                                int li = f - '0';
 586                                if (li >= ARRAY_SIZE(mini2440_lcd_cfg))
 587                                        printk(KERN_INFO "MINI2440: "
 588                                                "'%c' out of range LCD mode\n", f);
 589                                else {
 590                                        features->optional[features->count++] =
 591                                                        &s3c_device_lcd;
 592                                        features->lcd_index = li;
 593                                }
 594                        }
 595                        features->done |= FEATURE_SCREEN;
 596                        break;
 597                case 'b':
 598                        if (features->done & FEATURE_BACKLIGHT)
 599                                printk(KERN_INFO "MINI2440: '%c' ignored, "
 600                                        "backlight already set\n", f);
 601                        else {
 602                                features->optional[features->count++] =
 603                                                &mini2440_led_backlight;
 604                        }
 605                        features->done |= FEATURE_BACKLIGHT;
 606                        break;
 607                case 't':
 608                        printk(KERN_INFO "MINI2440: '%c' ignored, "
 609                                "touchscreen not compiled in\n", f);
 610                        break;
 611                case 'c':
 612                        if (features->done & FEATURE_CAMERA)
 613                                printk(KERN_INFO "MINI2440: '%c' ignored, "
 614                                        "camera already registered\n", f);
 615                        else
 616                                features->optional[features->count++] =
 617                                        &s3c_device_camif;
 618                        features->done |= FEATURE_CAMERA;
 619                        break;
 620                }
 621        }
 622}
 623
 624static void __init mini2440_init(void)
 625{
 626        struct mini2440_features_t features = { 0 };
 627        int i;
 628
 629        printk(KERN_INFO "MINI2440: Option string mini2440=%s\n",
 630                        mini2440_features_str);
 631
 632        /* Parse the feature string */
 633        mini2440_parse_features(&features, mini2440_features_str);
 634
 635        /* turn LCD on */
 636        s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND);
 637
 638        /* Turn the backlight early on */
 639        WARN_ON(gpio_request(S3C2410_GPG(4), "backlight"));
 640        gpio_direction_output(S3C2410_GPG(4), 1);
 641
 642        /* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */
 643        s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP);
 644        s3c2410_gpio_setpin(S3C2410_GPB(1), 0);
 645        s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPIO_INPUT);
 646
 647        /* Make sure the D+ pullup pin is output */
 648        WARN_ON(gpio_request(S3C2410_GPC(5), "udc pup"));
 649        gpio_direction_output(S3C2410_GPC(5), 0);
 650
 651        /* mark the key as input, without pullups (there is one on the board) */
 652        for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) {
 653                s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP);
 654                s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT);
 655        }
 656        if (features.lcd_index != -1) {
 657                int li;
 658
 659                mini2440_fb_info.displays =
 660                        &mini2440_lcd_cfg[features.lcd_index];
 661
 662                printk(KERN_INFO "MINI2440: LCD");
 663                for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++)
 664                        if (li == features.lcd_index)
 665                                printk(" [%d:%dx%d]", li,
 666                                        mini2440_lcd_cfg[li].width,
 667                                        mini2440_lcd_cfg[li].height);
 668                        else
 669                                printk(" %d:%dx%d", li,
 670                                        mini2440_lcd_cfg[li].width,
 671                                        mini2440_lcd_cfg[li].height);
 672                printk("\n");
 673                s3c24xx_fb_set_platdata(&mini2440_fb_info);
 674        }
 675
 676        s3c24xx_udc_set_platdata(&mini2440_udc_cfg);
 677        s3c24xx_mci_set_platdata(&mini2440_mmc_cfg);
 678        s3c_nand_set_platdata(&mini2440_nand_info);
 679        s3c_i2c0_set_platdata(NULL);
 680
 681        i2c_register_board_info(0, mini2440_i2c_devs,
 682                                ARRAY_SIZE(mini2440_i2c_devs));
 683
 684        platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices));
 685
 686        if (features.count)     /* the optional features */
 687                platform_add_devices(features.optional, features.count);
 688
 689}
 690
 691
 692MACHINE_START(MINI2440, "MINI2440")
 693        /* Maintainer: Michel Pollet <buserror@gmail.com> */
 694        .boot_params    = S3C2410_SDRAM_PA + 0x100,
 695        .map_io         = mini2440_map_io,
 696        .init_machine   = mini2440_init,
 697        .init_irq       = s3c24xx_init_irq,
 698        .timer          = &s3c24xx_timer,
 699MACHINE_END
 700