arch/arm/mach-s3c24xx/mach-mini2440.c

   1 // SPDX-License-Identifier: GPL-2.0
   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 #include <linux/kernel.h>
  12 #include <linux/types.h>
  13 #include <linux/interrupt.h>
  14 #include <linux/list.h>
  15 #include <linux/timer.h>
  16 #include <linux/init.h>
  17 #include <linux/gpio.h>
  18 #include <linux/input.h>
  19 #include <linux/io.h>
  20 #include <linux/serial_core.h>
  21 #include <linux/serial_s3c.h>
  22 #include <linux/dm9000.h>
  23 #include <linux/platform_data/at24.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/gpio_keys.h>
  26 #include <linux/i2c.h>
  27 #include <linux/mmc/host.h>
  28
  29 #include <asm/mach/arch.h>
  30 #include <asm/mach/map.h>
  31
  32 #include <mach/hardware.h>
  33 #include <mach/fb.h>
  34 #include <asm/mach-types.h>
  35
  36 #include <mach/regs-gpio.h>
  37 #include <linux/platform_data/leds-s3c24xx.h>
  38 #include <mach/regs-lcd.h>
  39 #include <mach/irqs.h>
  40 #include <mach/gpio-samsung.h>
  41 #include <linux/platform_data/mtd-nand-s3c2410.h>
  42 #include <linux/platform_data/i2c-s3c2410.h>
  43 #include <linux/platform_data/mmc-s3cmci.h>
  44 #include <linux/platform_data/usb-s3c2410_udc.h>
  45
  46 #include <linux/mtd/mtd.h>
  47 #include <linux/mtd/rawnand.h>
  48 #include <linux/mtd/nand_ecc.h>
  49 #include <linux/mtd/partitions.h>
  50
  51 #include <plat/gpio-cfg.h>
  52 #include <plat/devs.h>
  53 #include <plat/cpu.h>
  54 #include <plat/samsung-time.h>
  55
  56 #include <sound/s3c24xx_uda134x.h>
  57
  58 #include "common.h"
  59
  60 #define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300)
  61
  62 static struct map_desc mini2440_iodesc[] __initdata = {
  63         /* nothing to declare, move along */
  64 };
  65
  66 #define UCON S3C2410_UCON_DEFAULT
  67 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  68 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  69
  70
  71 static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = {
  72         [0] = {
  73                 .hwport      = 0,
  74                 .flags       = 0,
  75                 .ucon        = UCON,
  76                 .ulcon       = ULCON,
  77                 .ufcon       = UFCON,
  78         },
  79         [1] = {
  80                 .hwport      = 1,
  81                 .flags       = 0,
  82                 .ucon        = UCON,
  83                 .ulcon       = ULCON,
  84                 .ufcon       = UFCON,
  85         },
  86         [2] = {
  87                 .hwport      = 2,
  88                 .flags       = 0,
  89                 .ucon        = UCON,
  90                 .ulcon       = ULCON,
  91                 .ufcon       = UFCON,
  92         },
  93 };
  94
  95 /* USB device UDC support */
  96
  97 static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = {
  98         .pullup_pin = S3C2410_GPC(5),
  99 };
 100
 101
 102 /* LCD timing and setup */
 103
 104 /*
 105  * This macro simplifies the table bellow
 106  */
 107 #define _LCD_DECLARE(_clock,_xres,margin_left,margin_right,hsync, \
 108                         _yres,margin_top,margin_bottom,vsync, refresh) \
 109         .width = _xres, \
 110         .xres = _xres, \
 111         .height = _yres, \
 112         .yres = _yres, \
 113         .left_margin    = margin_left,  \
 114         .right_margin   = margin_right, \
 115         .upper_margin   = margin_top,   \
 116         .lower_margin   = margin_bottom,        \
 117         .hsync_len      = hsync,        \
 118         .vsync_len      = vsync,        \
 119         .pixclock       = ((_clock*100000000000LL) /    \
 120                            ((refresh) * \
 121                            (hsync + margin_left + _xres + margin_right) * \
 122                            (vsync + margin_top + _yres + margin_bottom))), \
 123         .bpp            = 16,\
 124         .type           = (S3C2410_LCDCON1_TFT16BPP |\
 125                            S3C2410_LCDCON1_TFT)
 126
 127 static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = {
 128         [0] = { /* mini2440 + 3.5" TFT + touchscreen */
 129                 _LCD_DECLARE(
 130                         7,                      /* The 3.5 is quite fast */
 131                         240, 21, 38, 6,         /* x timing */
 132                         320, 4, 4, 2,           /* y timing */
 133                         60),                    /* refresh rate */
 134                 .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
 135                                    S3C2410_LCDCON5_INVVLINE |
 136                                    S3C2410_LCDCON5_INVVFRAME |
 137                                    S3C2410_LCDCON5_INVVDEN |
 138                                    S3C2410_LCDCON5_PWREN),
 139         },
 140         [1] = { /* mini2440 + 7" TFT + touchscreen */
 141                 _LCD_DECLARE(
 142                         10,                     /* the 7" runs slower */
 143                         800, 40, 40, 48,        /* x timing */
 144                         480, 29, 3, 3,          /* y timing */
 145                         50),                    /* refresh rate */
 146                 .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
 147                                    S3C2410_LCDCON5_INVVLINE |
 148                                    S3C2410_LCDCON5_INVVFRAME |
 149                                    S3C2410_LCDCON5_PWREN),
 150         },
 151         /* The VGA shield can outout at several resolutions. All share
 152          * the same timings, however, anything smaller than 1024x768
 153          * will only be displayed in the top left corner of a 1024x768
 154          * XGA output unless you add optional dip switches to the shield.
 155          * Therefore timings for other resolutions have been omitted here.
 156          */
 157         [2] = {
 158                 _LCD_DECLARE(
 159                         10,
 160                         1024, 1, 2, 2,          /* y timing */
 161                         768, 200, 16, 16,       /* x timing */
 162                         24),    /* refresh rate, maximum stable,
 163                                  tested with the FPGA shield */
 164                 .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
 165                                    S3C2410_LCDCON5_HWSWP),
 166         },
 167         /* mini2440 + 3.5" TFT (LCD-W35i, LQ035Q1DG06 type) + touchscreen*/
 168         [3] = {
 169                 _LCD_DECLARE(
 170                         /* clock */
 171                         7,
 172                         /* xres, margin_right, margin_left, hsync */
 173                         320, 68, 66, 4,
 174                         /* yres, margin_top, margin_bottom, vsync */
 175                         240, 4, 4, 9,
 176                         /* refresh rate */
 177                         60),
 178                 .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
 179                                    S3C2410_LCDCON5_INVVDEN |
 180                                    S3C2410_LCDCON5_INVVFRAME |
 181                                    S3C2410_LCDCON5_INVVLINE |
 182                                    S3C2410_LCDCON5_INVVCLK |
 183                                    S3C2410_LCDCON5_HWSWP),
 184         },
 185 };
 186
 187 /* todo - put into gpio header */
 188
 189 #define S3C2410_GPCCON_MASK(x)  (3 << ((x) * 2))
 190 #define S3C2410_GPDCON_MASK(x)  (3 << ((x) * 2))
 191
 192 static struct s3c2410fb_mach_info mini2440_fb_info __initdata = {
 193         .displays        = &mini2440_lcd_cfg[0], /* not constant! see init */
 194         .num_displays    = 1,
 195         .default_display = 0,
 196
 197         /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
 198          * and disable the pull down resistors on pins we are using for LCD
 199          * data. */
 200
 201         .gpcup          = (0xf << 1) | (0x3f << 10),
 202
 203         .gpccon         = (S3C2410_GPC1_VCLK   | S3C2410_GPC2_VLINE |
 204                            S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM |
 205                            S3C2410_GPC10_VD2   | S3C2410_GPC11_VD3 |
 206                            S3C2410_GPC12_VD4   | S3C2410_GPC13_VD5 |
 207                            S3C2410_GPC14_VD6   | S3C2410_GPC15_VD7),
 208
 209         .gpccon_mask    = (S3C2410_GPCCON_MASK(1)  | S3C2410_GPCCON_MASK(2)  |
 210                            S3C2410_GPCCON_MASK(3)  | S3C2410_GPCCON_MASK(4)  |
 211                            S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
 212                            S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
 213                            S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),
 214
 215         .gpdup          = (0x3f << 2) | (0x3f << 10),
 216
 217         .gpdcon         = (S3C2410_GPD2_VD10  | S3C2410_GPD3_VD11 |
 218                            S3C2410_GPD4_VD12  | S3C2410_GPD5_VD13 |
 219                            S3C2410_GPD6_VD14  | S3C2410_GPD7_VD15 |
 220                            S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 |
 221                            S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 |
 222                            S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23),
 223
 224         .gpdcon_mask    = (S3C2410_GPDCON_MASK(2)  | S3C2410_GPDCON_MASK(3) |
 225                            S3C2410_GPDCON_MASK(4)  | S3C2410_GPDCON_MASK(5) |
 226                            S3C2410_GPDCON_MASK(6)  | S3C2410_GPDCON_MASK(7) |
 227                            S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
 228                            S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
 229                            S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
 230 };
 231
 232 /* MMC/SD  */
 233
 234 static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = {
 235    .gpio_detect   = S3C2410_GPG(8),
 236    .gpio_wprotect = S3C2410_GPH(8),
 237    .set_power     = NULL,
 238    .ocr_avail     = MMC_VDD_32_33|MMC_VDD_33_34,
 239 };
 240
 241 /* NAND Flash on MINI2440 board */
 242
 243 static struct mtd_partition mini2440_default_nand_part[] __initdata = {
 244         [0] = {
 245                 .name   = "u-boot",
 246                 .size   = SZ_256K,
 247                 .offset = 0,
 248         },
 249         [1] = {
 250                 .name   = "u-boot-env",
 251                 .size   = SZ_128K,
 252                 .offset = SZ_256K,
 253         },
 254         [2] = {
 255                 .name   = "kernel",
 256                 /* 5 megabytes, for a kernel with no modules
 257                  * or a uImage with a ramdisk attached */
 258                 .size   = 0x00500000,
 259                 .offset = SZ_256K + SZ_128K,
 260         },
 261         [3] = {
 262                 .name   = "root",
 263                 .offset = SZ_256K + SZ_128K + 0x00500000,
 264                 .size   = MTDPART_SIZ_FULL,
 265         },
 266 };
 267
 268 static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = {
 269         [0] = {
 270                 .name           = "nand",
 271                 .nr_chips       = 1,
 272                 .nr_partitions  = ARRAY_SIZE(mini2440_default_nand_part),
 273                 .partitions     = mini2440_default_nand_part,
 274                 .flash_bbt      = 1, /* we use u-boot to create a BBT */
 275         },
 276 };
 277
 278 static struct s3c2410_platform_nand mini2440_nand_info __initdata = {
 279         .tacls          = 0,
 280         .twrph0         = 25,
 281         .twrph1         = 15,
 282         .nr_sets        = ARRAY_SIZE(mini2440_nand_sets),
 283         .sets           = mini2440_nand_sets,
 284         .ignore_unset_ecc = 1,
 285         .ecc_mode       = NAND_ECC_HW,
 286 };
 287
 288 /* DM9000AEP 10/100 ethernet controller */
 289
 290 static struct resource mini2440_dm9k_resource[] = {
 291         [0] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE, 4),
 292         [1] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE + 4, 4),
 293         [2] = DEFINE_RES_NAMED(IRQ_EINT7, 1, NULL, IORESOURCE_IRQ \
 294                                                 | IORESOURCE_IRQ_HIGHEDGE),
 295 };
 296
 297 /*
 298  * The DM9000 has no eeprom, and it's MAC address is set by
 299  * the bootloader before starting the kernel.
 300  */
 301 static struct dm9000_plat_data mini2440_dm9k_pdata = {
 302         .flags          = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
 303 };
 304
 305 static struct platform_device mini2440_device_eth = {
 306         .name           = "dm9000",
 307         .id             = -1,
 308         .num_resources  = ARRAY_SIZE(mini2440_dm9k_resource),
 309         .resource       = mini2440_dm9k_resource,
 310         .dev            = {
 311                 .platform_data  = &mini2440_dm9k_pdata,
 312         },
 313 };
 314
 315 /*  CON5
 316  *      +--+     /-----\
 317  *      |  |    |       |
 318  *      |  |    |  BAT  |
 319  *      |  |     \_____/
 320  *      |  |
 321  *      |  |  +----+  +----+
 322  *      |  |  | K5 |  | K1 |
 323  *      |  |  +----+  +----+
 324  *      |  |  +----+  +----+
 325  *      |  |  | K4 |  | K2 |
 326  *      |  |  +----+  +----+
 327  *      |  |  +----+  +----+
 328  *      |  |  | K6 |  | K3 |
 329  *      |  |  +----+  +----+
 330  *        .....
 331  */
 332 static struct gpio_keys_button mini2440_buttons[] = {
 333         {
 334                 .gpio           = S3C2410_GPG(0),               /* K1 */
 335                 .code           = KEY_F1,
 336                 .desc           = "Button 1",
 337                 .active_low     = 1,
 338         },
 339         {
 340                 .gpio           = S3C2410_GPG(3),               /* K2 */
 341                 .code           = KEY_F2,
 342                 .desc           = "Button 2",
 343                 .active_low     = 1,
 344         },
 345         {
 346                 .gpio           = S3C2410_GPG(5),               /* K3 */
 347                 .code           = KEY_F3,
 348                 .desc           = "Button 3",
 349                 .active_low     = 1,
 350         },
 351         {
 352                 .gpio           = S3C2410_GPG(6),               /* K4 */
 353                 .code           = KEY_POWER,
 354                 .desc           = "Power",
 355                 .active_low     = 1,
 356         },
 357         {
 358                 .gpio           = S3C2410_GPG(7),               /* K5 */
 359                 .code           = KEY_F5,
 360                 .desc           = "Button 5",
 361                 .active_low     = 1,
 362         },
 363 #if 0
 364         /* this pin is also known as TCLK1 and seems to already
 365          * marked as "in use" somehow in the kernel -- possibly wrongly */
 366         {
 367                 .gpio           = S3C2410_GPG(11),      /* K6 */
 368                 .code           = KEY_F6,
 369                 .desc           = "Button 6",
 370                 .active_low     = 1,
 371         },
 372 #endif
 373 };
 374
 375 static struct gpio_keys_platform_data mini2440_button_data = {
 376         .buttons        = mini2440_buttons,
 377         .nbuttons       = ARRAY_SIZE(mini2440_buttons),
 378 };
 379
 380 static struct platform_device mini2440_button_device = {
 381         .name           = "gpio-keys",
 382         .id             = -1,
 383         .dev            = {
 384                 .platform_data  = &mini2440_button_data,
 385         }
 386 };
 387
 388 /* LEDS */
 389
 390 static struct s3c24xx_led_platdata mini2440_led1_pdata = {
 391         .name           = "led1",
 392         .gpio           = S3C2410_GPB(5),
 393         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 394         .def_trigger    = "heartbeat",
 395 };
 396
 397 static struct s3c24xx_led_platdata mini2440_led2_pdata = {
 398         .name           = "led2",
 399         .gpio           = S3C2410_GPB(6),
 400         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 401         .def_trigger    = "nand-disk",
 402 };
 403
 404 static struct s3c24xx_led_platdata mini2440_led3_pdata = {
 405         .name           = "led3",
 406         .gpio           = S3C2410_GPB(7),
 407         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 408         .def_trigger    = "mmc0",
 409 };
 410
 411 static struct s3c24xx_led_platdata mini2440_led4_pdata = {
 412         .name           = "led4",
 413         .gpio           = S3C2410_GPB(8),
 414         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 415         .def_trigger    = "",
 416 };
 417
 418 static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = {
 419         .name           = "backlight",
 420         .gpio           = S3C2410_GPG(4),
 421         .def_trigger    = "backlight",
 422 };
 423
 424 static struct platform_device mini2440_led1 = {
 425         .name           = "s3c24xx_led",
 426         .id             = 1,
 427         .dev            = {
 428                 .platform_data  = &mini2440_led1_pdata,
 429         },
 430 };
 431
 432 static struct platform_device mini2440_led2 = {
 433         .name           = "s3c24xx_led",
 434         .id             = 2,
 435         .dev            = {
 436                 .platform_data  = &mini2440_led2_pdata,
 437         },
 438 };
 439
 440 static struct platform_device mini2440_led3 = {
 441         .name           = "s3c24xx_led",
 442         .id             = 3,
 443         .dev            = {
 444                 .platform_data  = &mini2440_led3_pdata,
 445         },
 446 };
 447
 448 static struct platform_device mini2440_led4 = {
 449         .name           = "s3c24xx_led",
 450         .id             = 4,
 451         .dev            = {
 452                 .platform_data  = &mini2440_led4_pdata,
 453         },
 454 };
 455
 456 static struct platform_device mini2440_led_backlight = {
 457         .name           = "s3c24xx_led",
 458         .id             = 5,
 459         .dev            = {
 460                 .platform_data  = &mini2440_led_backlight_pdata,
 461         },
 462 };
 463
 464 /* AUDIO */
 465
 466 static struct s3c24xx_uda134x_platform_data mini2440_audio_pins = {
 467         .l3_clk = S3C2410_GPB(4),
 468         .l3_mode = S3C2410_GPB(2),
 469         .l3_data = S3C2410_GPB(3),
 470         .model = UDA134X_UDA1341
 471 };
 472
 473 static struct platform_device mini2440_audio = {
 474         .name           = "s3c24xx_uda134x",
 475         .id             = 0,
 476         .dev            = {
 477                 .platform_data  = &mini2440_audio_pins,
 478         },
 479 };
 480
 481 /*
 482  * I2C devices
 483  */
 484 static struct at24_platform_data at24c08 = {
 485         .byte_len       = SZ_8K / 8,
 486         .page_size      = 16,
 487 };
 488
 489 static struct i2c_board_info mini2440_i2c_devs[] __initdata = {
 490         {
 491                 I2C_BOARD_INFO("24c08", 0x50),
 492                 .platform_data = &at24c08,
 493         },
 494 };
 495
 496 static struct uda134x_platform_data s3c24xx_uda134x = {
 497         .l3 = {
 498                 .gpio_clk = S3C2410_GPB(4),
 499                 .gpio_data = S3C2410_GPB(3),
 500                 .gpio_mode = S3C2410_GPB(2),
 501                 .use_gpios = 1,
 502                 .data_hold = 1,
 503                 .data_setup = 1,
 504                 .clock_high = 1,
 505                 .mode_hold = 1,
 506                 .mode = 1,
 507                 .mode_setup = 1,
 508         },
 509         .model = UDA134X_UDA1341,
 510 };
 511
 512 static struct platform_device uda1340_codec = {
 513                 .name = "uda134x-codec",
 514                 .id = -1,
 515                 .dev = {
 516                         .platform_data  = &s3c24xx_uda134x,
 517                 },
 518 };
 519
 520 static struct platform_device *mini2440_devices[] __initdata = {
 521         &s3c_device_ohci,
 522         &s3c_device_wdt,
 523         &s3c_device_i2c0,
 524         &s3c_device_rtc,
 525         &s3c_device_usbgadget,
 526         &mini2440_device_eth,
 527         &mini2440_led1,
 528         &mini2440_led2,
 529         &mini2440_led3,
 530         &mini2440_led4,
 531         &mini2440_button_device,
 532         &s3c_device_nand,
 533         &s3c_device_sdi,
 534         &s3c2440_device_dma,
 535         &s3c_device_iis,
 536         &uda1340_codec,
 537         &mini2440_audio,
 538 };
 539
 540 static void __init mini2440_map_io(void)
 541 {
 542         s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc));
 543         s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs));
 544         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 545 }
 546
 547 static void __init mini2440_init_time(void)
 548 {
 549         s3c2440_init_clocks(12000000);
 550         samsung_timer_init();
 551 }
 552
 553 /*
 554  * mini2440_features string
 555  *
 556  * t = Touchscreen present
 557  * b = backlight control
 558  * c = camera [TODO]
 559  * 0-9 LCD configuration
 560  *
 561  */
 562 static char mini2440_features_str[12] __initdata = "0tb";
 563
 564 static int __init mini2440_features_setup(char *str)
 565 {
 566         if (str)
 567                 strlcpy(mini2440_features_str, str, sizeof(mini2440_features_str));
 568         return 1;
 569 }
 570
 571 __setup("mini2440=", mini2440_features_setup);
 572
 573 #define FEATURE_SCREEN (1 << 0)
 574 #define FEATURE_BACKLIGHT (1 << 1)
 575 #define FEATURE_TOUCH (1 << 2)
 576 #define FEATURE_CAMERA (1 << 3)
 577
 578 struct mini2440_features_t {
 579         int count;
 580         int done;
 581         int lcd_index;
 582         struct platform_device *optional[8];
 583 };
 584
 585 static void __init mini2440_parse_features(
 586                 struct mini2440_features_t * features,
 587                 const char * features_str )
 588 {
 589         const char * fp = features_str;
 590
 591         features->count = 0;
 592         features->done = 0;
 593         features->lcd_index = -1;
 594
 595         while (*fp) {
 596                 char f = *fp++;
 597
 598                 switch (f) {
 599                 case '0'...'9': /* tft screen */
 600                         if (features->done & FEATURE_SCREEN) {
 601                                 printk(KERN_INFO "MINI2440: '%c' ignored, "
 602                                         "screen type already set\n", f);
 603                         } else {
 604                                 int li = f - '0';
 605                                 if (li >= ARRAY_SIZE(mini2440_lcd_cfg))
 606                                         printk(KERN_INFO "MINI2440: "
 607                                                 "'%c' out of range LCD mode\n", f);
 608                                 else {
 609                                         features->optional[features->count++] =
 610                                                         &s3c_device_lcd;
 611                                         features->lcd_index = li;
 612                                 }
 613                         }
 614                         features->done |= FEATURE_SCREEN;
 615                         break;
 616                 case 'b':
 617                         if (features->done & FEATURE_BACKLIGHT)
 618                                 printk(KERN_INFO "MINI2440: '%c' ignored, "
 619                                         "backlight already set\n", f);
 620                         else {
 621                                 features->optional[features->count++] =
 622                                                 &mini2440_led_backlight;
 623                         }
 624                         features->done |= FEATURE_BACKLIGHT;
 625                         break;
 626                 case 't':
 627                         printk(KERN_INFO "MINI2440: '%c' ignored, "
 628                                 "touchscreen not compiled in\n", f);
 629                         break;
 630                 case 'c':
 631                         if (features->done & FEATURE_CAMERA)
 632                                 printk(KERN_INFO "MINI2440: '%c' ignored, "
 633                                         "camera already registered\n", f);
 634                         else
 635                                 features->optional[features->count++] =
 636                                         &s3c_device_camif;
 637                         features->done |= FEATURE_CAMERA;
 638                         break;
 639                 }
 640         }
 641 }
 642
 643 static void __init mini2440_init(void)
 644 {
 645         struct mini2440_features_t features = { 0 };
 646         int i;
 647
 648         printk(KERN_INFO "MINI2440: Option string mini2440=%s\n",
 649                         mini2440_features_str);
 650
 651         /* Parse the feature string */
 652         mini2440_parse_features(&features, mini2440_features_str);
 653
 654         /* turn LCD on */
 655         s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND);
 656
 657         /* Turn the backlight early on */
 658         WARN_ON(gpio_request_one(S3C2410_GPG(4), GPIOF_OUT_INIT_HIGH, NULL));
 659         gpio_free(S3C2410_GPG(4));
 660
 661         /* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */
 662         gpio_request_one(S3C2410_GPB(1), GPIOF_IN, NULL);
 663         s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP);
 664         gpio_free(S3C2410_GPB(1));
 665
 666         /* mark the key as input, without pullups (there is one on the board) */
 667         for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) {
 668                 s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP);
 669                 s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT);
 670         }
 671         if (features.lcd_index != -1) {
 672                 int li;
 673
 674                 mini2440_fb_info.displays =
 675                         &mini2440_lcd_cfg[features.lcd_index];
 676
 677                 printk(KERN_INFO "MINI2440: LCD");
 678                 for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++)
 679                         if (li == features.lcd_index)
 680                                 printk(" [%d:%dx%d]", li,
 681                                         mini2440_lcd_cfg[li].width,
 682                                         mini2440_lcd_cfg[li].height);
 683                         else
 684                                 printk(" %d:%dx%d", li,
 685                                         mini2440_lcd_cfg[li].width,
 686                                         mini2440_lcd_cfg[li].height);
 687                 printk("\n");
 688                 s3c24xx_fb_set_platdata(&mini2440_fb_info);
 689         }
 690
 691         s3c24xx_udc_set_platdata(&mini2440_udc_cfg);
 692         s3c24xx_mci_set_platdata(&mini2440_mmc_cfg);
 693         s3c_nand_set_platdata(&mini2440_nand_info);
 694         s3c_i2c0_set_platdata(NULL);
 695
 696         i2c_register_board_info(0, mini2440_i2c_devs,
 697                                 ARRAY_SIZE(mini2440_i2c_devs));
 698
 699         platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices));
 700
 701         if (features.count)     /* the optional features */
 702                 platform_add_devices(features.optional, features.count);
 703
 704 }
 705
 706
 707 MACHINE_START(MINI2440, "MINI2440")
 708         /* Maintainer: Michel Pollet <buserror@gmail.com> */
 709         .atag_offset    = 0x100,
 710         .map_io         = mini2440_map_io,
 711         .init_machine   = mini2440_init,
 712         .init_irq       = s3c2440_init_irq,
 713         .init_time      = mini2440_init_time,
 714 MACHINE_END