Merge branch 'for-linus-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-3.10.git] / arch / arm / mach-s3c24xx / 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 #include "common.h"
64
65 #define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300)
66
67 static struct map_desc mini2440_iodesc[] __initdata = {
68         /* nothing to declare, move along */
69 };
70
71 #define UCON S3C2410_UCON_DEFAULT
72 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
73 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
74
75
76 static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = {
77         [0] = {
78                 .hwport      = 0,
79                 .flags       = 0,
80                 .ucon        = UCON,
81                 .ulcon       = ULCON,
82                 .ufcon       = UFCON,
83         },
84         [1] = {
85                 .hwport      = 1,
86                 .flags       = 0,
87                 .ucon        = UCON,
88                 .ulcon       = ULCON,
89                 .ufcon       = UFCON,
90         },
91         [2] = {
92                 .hwport      = 2,
93                 .flags       = 0,
94                 .ucon        = UCON,
95                 .ulcon       = ULCON,
96                 .ufcon       = UFCON,
97         },
98 };
99
100 /* USB device UDC support */
101
102 static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = {
103         .pullup_pin = S3C2410_GPC(5),
104 };
105
106
107 /* LCD timing and setup */
108
109 /*
110  * This macro simplifies the table bellow
111  */
112 #define _LCD_DECLARE(_clock,_xres,margin_left,margin_right,hsync, \
113                         _yres,margin_top,margin_bottom,vsync, refresh) \
114         .width = _xres, \
115         .xres = _xres, \
116         .height = _yres, \
117         .yres = _yres, \
118         .left_margin    = margin_left,  \
119         .right_margin   = margin_right, \
120         .upper_margin   = margin_top,   \
121         .lower_margin   = margin_bottom,        \
122         .hsync_len      = hsync,        \
123         .vsync_len      = vsync,        \
124         .pixclock       = ((_clock*100000000000LL) /    \
125                            ((refresh) * \
126                            (hsync + margin_left + _xres + margin_right) * \
127                            (vsync + margin_top + _yres + margin_bottom))), \
128         .bpp            = 16,\
129         .type           = (S3C2410_LCDCON1_TFT16BPP |\
130                            S3C2410_LCDCON1_TFT)
131
132 static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = {
133         [0] = { /* mini2440 + 3.5" TFT + touchscreen */
134                 _LCD_DECLARE(
135                         7,                      /* The 3.5 is quite fast */
136                         240, 21, 38, 6,         /* x timing */
137                         320, 4, 4, 2,           /* y timing */
138                         60),                    /* refresh rate */
139                 .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
140                                    S3C2410_LCDCON5_INVVLINE |
141                                    S3C2410_LCDCON5_INVVFRAME |
142                                    S3C2410_LCDCON5_INVVDEN |
143                                    S3C2410_LCDCON5_PWREN),
144         },
145         [1] = { /* mini2440 + 7" TFT + touchscreen */
146                 _LCD_DECLARE(
147                         10,                     /* the 7" runs slower */
148                         800, 40, 40, 48,        /* x timing */
149                         480, 29, 3, 3,          /* y timing */
150                         50),                    /* refresh rate */
151                 .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
152                                    S3C2410_LCDCON5_INVVLINE |
153                                    S3C2410_LCDCON5_INVVFRAME |
154                                    S3C2410_LCDCON5_PWREN),
155         },
156         /* The VGA shield can outout at several resolutions. All share 
157          * the same timings, however, anything smaller than 1024x768
158          * will only be displayed in the top left corner of a 1024x768
159          * XGA output unless you add optional dip switches to the shield.
160          * Therefore timings for other resolutions have been omitted here.
161          */
162         [2] = {
163                 _LCD_DECLARE(
164                         10,
165                         1024, 1, 2, 2,          /* y timing */
166                         768, 200, 16, 16,       /* x timing */
167                         24),    /* refresh rate, maximum stable,
168                                  tested with the FPGA shield */
169                 .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
170                                    S3C2410_LCDCON5_HWSWP),
171         },
172         /* mini2440 + 3.5" TFT (LCD-W35i, LQ035Q1DG06 type) + touchscreen*/
173         [3] = {
174                 _LCD_DECLARE(
175                         /* clock */
176                         7,
177                         /* xres, margin_right, margin_left, hsync */
178                         320, 68, 66, 4,
179                         /* yres, margin_top, margin_bottom, vsync */
180                         240, 4, 4, 9,
181                         /* refresh rate */
182                         60),
183                 .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
184                                    S3C2410_LCDCON5_INVVDEN |
185                                    S3C2410_LCDCON5_INVVFRAME |
186                                    S3C2410_LCDCON5_INVVLINE |
187                                    S3C2410_LCDCON5_INVVCLK |
188                                    S3C2410_LCDCON5_HWSWP),
189         },
190 };
191
192 /* todo - put into gpio header */
193
194 #define S3C2410_GPCCON_MASK(x)  (3 << ((x) * 2))
195 #define S3C2410_GPDCON_MASK(x)  (3 << ((x) * 2))
196
197 static struct s3c2410fb_mach_info mini2440_fb_info __initdata = {
198         .displays        = &mini2440_lcd_cfg[0], /* not constant! see init */
199         .num_displays    = 1,
200         .default_display = 0,
201
202         /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
203          * and disable the pull down resistors on pins we are using for LCD
204          * data. */
205
206         .gpcup          = (0xf << 1) | (0x3f << 10),
207
208         .gpccon         = (S3C2410_GPC1_VCLK   | S3C2410_GPC2_VLINE |
209                            S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM |
210                            S3C2410_GPC10_VD2   | S3C2410_GPC11_VD3 |
211                            S3C2410_GPC12_VD4   | S3C2410_GPC13_VD5 |
212                            S3C2410_GPC14_VD6   | S3C2410_GPC15_VD7),
213
214         .gpccon_mask    = (S3C2410_GPCCON_MASK(1)  | S3C2410_GPCCON_MASK(2)  |
215                            S3C2410_GPCCON_MASK(3)  | S3C2410_GPCCON_MASK(4)  |
216                            S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
217                            S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
218                            S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),
219
220         .gpdup          = (0x3f << 2) | (0x3f << 10),
221
222         .gpdcon         = (S3C2410_GPD2_VD10  | S3C2410_GPD3_VD11 |
223                            S3C2410_GPD4_VD12  | S3C2410_GPD5_VD13 |
224                            S3C2410_GPD6_VD14  | S3C2410_GPD7_VD15 |
225                            S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 |
226                            S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 |
227                            S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23),
228
229         .gpdcon_mask    = (S3C2410_GPDCON_MASK(2)  | S3C2410_GPDCON_MASK(3) |
230                            S3C2410_GPDCON_MASK(4)  | S3C2410_GPDCON_MASK(5) |
231                            S3C2410_GPDCON_MASK(6)  | S3C2410_GPDCON_MASK(7) |
232                            S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
233                            S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
234                            S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
235 };
236
237 /* MMC/SD  */
238
239 static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = {
240    .gpio_detect   = S3C2410_GPG(8),
241    .gpio_wprotect = S3C2410_GPH(8),
242    .set_power     = NULL,
243    .ocr_avail     = MMC_VDD_32_33|MMC_VDD_33_34,
244 };
245
246 /* NAND Flash on MINI2440 board */
247
248 static struct mtd_partition mini2440_default_nand_part[] __initdata = {
249         [0] = {
250                 .name   = "u-boot",
251                 .size   = SZ_256K,
252                 .offset = 0,
253         },
254         [1] = {
255                 .name   = "u-boot-env",
256                 .size   = SZ_128K,
257                 .offset = SZ_256K,
258         },
259         [2] = {
260                 .name   = "kernel",
261                 /* 5 megabytes, for a kernel with no modules
262                  * or a uImage with a ramdisk attached */
263                 .size   = 0x00500000,
264                 .offset = SZ_256K + SZ_128K,
265         },
266         [3] = {
267                 .name   = "root",
268                 .offset = SZ_256K + SZ_128K + 0x00500000,
269                 .size   = MTDPART_SIZ_FULL,
270         },
271 };
272
273 static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = {
274         [0] = {
275                 .name           = "nand",
276                 .nr_chips       = 1,
277                 .nr_partitions  = ARRAY_SIZE(mini2440_default_nand_part),
278                 .partitions     = mini2440_default_nand_part,
279                 .flash_bbt      = 1, /* we use u-boot to create a BBT */
280         },
281 };
282
283 static struct s3c2410_platform_nand mini2440_nand_info __initdata = {
284         .tacls          = 0,
285         .twrph0         = 25,
286         .twrph1         = 15,
287         .nr_sets        = ARRAY_SIZE(mini2440_nand_sets),
288         .sets           = mini2440_nand_sets,
289         .ignore_unset_ecc = 1,
290 };
291
292 /* DM9000AEP 10/100 ethernet controller */
293
294 static struct resource mini2440_dm9k_resource[] = {
295         [0] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE, 4),
296         [1] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE + 4, 4),
297         [2] = DEFINE_RES_NAMED(IRQ_EINT7, 1, NULL, IORESOURCE_IRQ \
298                                                 | IORESOURCE_IRQ_HIGHEDGE),
299 };
300
301 /*
302  * The DM9000 has no eeprom, and it's MAC address is set by
303  * the bootloader before starting the kernel.
304  */
305 static struct dm9000_plat_data mini2440_dm9k_pdata = {
306         .flags          = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
307 };
308
309 static struct platform_device mini2440_device_eth = {
310         .name           = "dm9000",
311         .id             = -1,
312         .num_resources  = ARRAY_SIZE(mini2440_dm9k_resource),
313         .resource       = mini2440_dm9k_resource,
314         .dev            = {
315                 .platform_data  = &mini2440_dm9k_pdata,
316         },
317 };
318
319 /*  CON5
320  *      +--+     /-----\
321  *      |  |    |       |
322  *      |  |    |  BAT  |
323  *      |  |     \_____/
324  *      |  |
325  *      |  |  +----+  +----+
326  *      |  |  | K5 |  | K1 |
327  *      |  |  +----+  +----+
328  *      |  |  +----+  +----+
329  *      |  |  | K4 |  | K2 |
330  *      |  |  +----+  +----+
331  *      |  |  +----+  +----+
332  *      |  |  | K6 |  | K3 |
333  *      |  |  +----+  +----+
334  *        .....
335  */
336 static struct gpio_keys_button mini2440_buttons[] = {
337         {
338                 .gpio           = S3C2410_GPG(0),               /* K1 */
339                 .code           = KEY_F1,
340                 .desc           = "Button 1",
341                 .active_low     = 1,
342         },
343         {
344                 .gpio           = S3C2410_GPG(3),               /* K2 */
345                 .code           = KEY_F2,
346                 .desc           = "Button 2",
347                 .active_low     = 1,
348         },
349         {
350                 .gpio           = S3C2410_GPG(5),               /* K3 */
351                 .code           = KEY_F3,
352                 .desc           = "Button 3",
353                 .active_low     = 1,
354         },
355         {
356                 .gpio           = S3C2410_GPG(6),               /* K4 */
357                 .code           = KEY_POWER,
358                 .desc           = "Power",
359                 .active_low     = 1,
360         },
361         {
362                 .gpio           = S3C2410_GPG(7),               /* K5 */
363                 .code           = KEY_F5,
364                 .desc           = "Button 5",
365                 .active_low     = 1,
366         },
367 #if 0
368         /* this pin is also known as TCLK1 and seems to already
369          * marked as "in use" somehow in the kernel -- possibly wrongly */
370         {
371                 .gpio           = S3C2410_GPG(11),      /* K6 */
372                 .code           = KEY_F6,
373                 .desc           = "Button 6",
374                 .active_low     = 1,
375         },
376 #endif
377 };
378
379 static struct gpio_keys_platform_data mini2440_button_data = {
380         .buttons        = mini2440_buttons,
381         .nbuttons       = ARRAY_SIZE(mini2440_buttons),
382 };
383
384 static struct platform_device mini2440_button_device = {
385         .name           = "gpio-keys",
386         .id             = -1,
387         .dev            = {
388                 .platform_data  = &mini2440_button_data,
389         }
390 };
391
392 /* LEDS */
393
394 static struct s3c24xx_led_platdata mini2440_led1_pdata = {
395         .name           = "led1",
396         .gpio           = S3C2410_GPB(5),
397         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
398         .def_trigger    = "heartbeat",
399 };
400
401 static struct s3c24xx_led_platdata mini2440_led2_pdata = {
402         .name           = "led2",
403         .gpio           = S3C2410_GPB(6),
404         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
405         .def_trigger    = "nand-disk",
406 };
407
408 static struct s3c24xx_led_platdata mini2440_led3_pdata = {
409         .name           = "led3",
410         .gpio           = S3C2410_GPB(7),
411         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
412         .def_trigger    = "mmc0",
413 };
414
415 static struct s3c24xx_led_platdata mini2440_led4_pdata = {
416         .name           = "led4",
417         .gpio           = S3C2410_GPB(8),
418         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
419         .def_trigger    = "",
420 };
421
422 static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = {
423         .name           = "backlight",
424         .gpio           = S3C2410_GPG(4),
425         .def_trigger    = "backlight",
426 };
427
428 static struct platform_device mini2440_led1 = {
429         .name           = "s3c24xx_led",
430         .id             = 1,
431         .dev            = {
432                 .platform_data  = &mini2440_led1_pdata,
433         },
434 };
435
436 static struct platform_device mini2440_led2 = {
437         .name           = "s3c24xx_led",
438         .id             = 2,
439         .dev            = {
440                 .platform_data  = &mini2440_led2_pdata,
441         },
442 };
443
444 static struct platform_device mini2440_led3 = {
445         .name           = "s3c24xx_led",
446         .id             = 3,
447         .dev            = {
448                 .platform_data  = &mini2440_led3_pdata,
449         },
450 };
451
452 static struct platform_device mini2440_led4 = {
453         .name           = "s3c24xx_led",
454         .id             = 4,
455         .dev            = {
456                 .platform_data  = &mini2440_led4_pdata,
457         },
458 };
459
460 static struct platform_device mini2440_led_backlight = {
461         .name           = "s3c24xx_led",
462         .id             = 5,
463         .dev            = {
464                 .platform_data  = &mini2440_led_backlight_pdata,
465         },
466 };
467
468 /* AUDIO */
469
470 static struct s3c24xx_uda134x_platform_data mini2440_audio_pins = {
471         .l3_clk = S3C2410_GPB(4),
472         .l3_mode = S3C2410_GPB(2),
473         .l3_data = S3C2410_GPB(3),
474         .model = UDA134X_UDA1341
475 };
476
477 static struct platform_device mini2440_audio = {
478         .name           = "s3c24xx_uda134x",
479         .id             = 0,
480         .dev            = {
481                 .platform_data  = &mini2440_audio_pins,
482         },
483 };
484
485 /*
486  * I2C devices
487  */
488 static struct at24_platform_data at24c08 = {
489         .byte_len       = SZ_8K / 8,
490         .page_size      = 16,
491 };
492
493 static struct i2c_board_info mini2440_i2c_devs[] __initdata = {
494         {
495                 I2C_BOARD_INFO("24c08", 0x50),
496                 .platform_data = &at24c08,
497         },
498 };
499
500 static struct platform_device uda1340_codec = {
501                 .name = "uda134x-codec",
502                 .id = -1,
503 };
504
505 static struct platform_device *mini2440_devices[] __initdata = {
506         &s3c_device_ohci,
507         &s3c_device_wdt,
508         &s3c_device_i2c0,
509         &s3c_device_rtc,
510         &s3c_device_usbgadget,
511         &mini2440_device_eth,
512         &mini2440_led1,
513         &mini2440_led2,
514         &mini2440_led3,
515         &mini2440_led4,
516         &mini2440_button_device,
517         &s3c_device_nand,
518         &s3c_device_sdi,
519         &s3c_device_iis,
520         &uda1340_codec,
521         &mini2440_audio,
522         &samsung_asoc_dma,
523 };
524
525 static void __init mini2440_map_io(void)
526 {
527         s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc));
528         s3c24xx_init_clocks(12000000);
529         s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs));
530 }
531
532 /*
533  * mini2440_features string
534  *
535  * t = Touchscreen present
536  * b = backlight control
537  * c = camera [TODO]
538  * 0-9 LCD configuration
539  *
540  */
541 static char mini2440_features_str[12] __initdata = "0tb";
542
543 static int __init mini2440_features_setup(char *str)
544 {
545         if (str)
546                 strlcpy(mini2440_features_str, str, sizeof(mini2440_features_str));
547         return 1;
548 }
549
550 __setup("mini2440=", mini2440_features_setup);
551
552 #define FEATURE_SCREEN (1 << 0)
553 #define FEATURE_BACKLIGHT (1 << 1)
554 #define FEATURE_TOUCH (1 << 2)
555 #define FEATURE_CAMERA (1 << 3)
556
557 struct mini2440_features_t {
558         int count;
559         int done;
560         int lcd_index;
561         struct platform_device *optional[8];
562 };
563
564 static void __init mini2440_parse_features(
565                 struct mini2440_features_t * features,
566                 const char * features_str )
567 {
568         const char * fp = features_str;
569
570         features->count = 0;
571         features->done = 0;
572         features->lcd_index = -1;
573
574         while (*fp) {
575                 char f = *fp++;
576
577                 switch (f) {
578                 case '0'...'9': /* tft screen */
579                         if (features->done & FEATURE_SCREEN) {
580                                 printk(KERN_INFO "MINI2440: '%c' ignored, "
581                                         "screen type already set\n", f);
582                         } else {
583                                 int li = f - '0';
584                                 if (li >= ARRAY_SIZE(mini2440_lcd_cfg))
585                                         printk(KERN_INFO "MINI2440: "
586                                                 "'%c' out of range LCD mode\n", f);
587                                 else {
588                                         features->optional[features->count++] =
589                                                         &s3c_device_lcd;
590                                         features->lcd_index = li;
591                                 }
592                         }
593                         features->done |= FEATURE_SCREEN;
594                         break;
595                 case 'b':
596                         if (features->done & FEATURE_BACKLIGHT)
597                                 printk(KERN_INFO "MINI2440: '%c' ignored, "
598                                         "backlight already set\n", f);
599                         else {
600                                 features->optional[features->count++] =
601                                                 &mini2440_led_backlight;
602                         }
603                         features->done |= FEATURE_BACKLIGHT;
604                         break;
605                 case 't':
606                         printk(KERN_INFO "MINI2440: '%c' ignored, "
607                                 "touchscreen not compiled in\n", f);
608                         break;
609                 case 'c':
610                         if (features->done & FEATURE_CAMERA)
611                                 printk(KERN_INFO "MINI2440: '%c' ignored, "
612                                         "camera already registered\n", f);
613                         else
614                                 features->optional[features->count++] =
615                                         &s3c_device_camif;
616                         features->done |= FEATURE_CAMERA;
617                         break;
618                 }
619         }
620 }
621
622 static void __init mini2440_init(void)
623 {
624         struct mini2440_features_t features = { 0 };
625         int i;
626
627         printk(KERN_INFO "MINI2440: Option string mini2440=%s\n",
628                         mini2440_features_str);
629
630         /* Parse the feature string */
631         mini2440_parse_features(&features, mini2440_features_str);
632
633         /* turn LCD on */
634         s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND);
635
636         /* Turn the backlight early on */
637         WARN_ON(gpio_request_one(S3C2410_GPG(4), GPIOF_OUT_INIT_HIGH, NULL));
638         gpio_free(S3C2410_GPG(4));
639
640         /* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */
641         s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP);
642         s3c2410_gpio_setpin(S3C2410_GPB(1), 0);
643         s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPIO_INPUT);
644
645         /* mark the key as input, without pullups (there is one on the board) */
646         for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) {
647                 s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP);
648                 s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT);
649         }
650         if (features.lcd_index != -1) {
651                 int li;
652
653                 mini2440_fb_info.displays =
654                         &mini2440_lcd_cfg[features.lcd_index];
655
656                 printk(KERN_INFO "MINI2440: LCD");
657                 for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++)
658                         if (li == features.lcd_index)
659                                 printk(" [%d:%dx%d]", li,
660                                         mini2440_lcd_cfg[li].width,
661                                         mini2440_lcd_cfg[li].height);
662                         else
663                                 printk(" %d:%dx%d", li,
664                                         mini2440_lcd_cfg[li].width,
665                                         mini2440_lcd_cfg[li].height);
666                 printk("\n");
667                 s3c24xx_fb_set_platdata(&mini2440_fb_info);
668         }
669
670         s3c24xx_udc_set_platdata(&mini2440_udc_cfg);
671         s3c24xx_mci_set_platdata(&mini2440_mmc_cfg);
672         s3c_nand_set_platdata(&mini2440_nand_info);
673         s3c_i2c0_set_platdata(NULL);
674
675         i2c_register_board_info(0, mini2440_i2c_devs,
676                                 ARRAY_SIZE(mini2440_i2c_devs));
677
678         platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices));
679
680         if (features.count)     /* the optional features */
681                 platform_add_devices(features.optional, features.count);
682
683 }
684
685
686 MACHINE_START(MINI2440, "MINI2440")
687         /* Maintainer: Michel Pollet <buserror@gmail.com> */
688         .atag_offset    = 0x100,
689         .map_io         = mini2440_map_io,
690         .init_machine   = mini2440_init,
691         .init_irq       = s3c24xx_init_irq,
692         .timer          = &s3c24xx_timer,
693         .restart        = s3c244x_restart,
694 MACHINE_END