2865e5919f2cb8a176a54d9d463afdeda4c8731f
[sfrench/cifs-2.6.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 <linux/platform_data/leds-s3c24xx.h>
43 #include <mach/regs-lcd.h>
44 #include <mach/irqs.h>
45 #include <linux/platform_data/mtd-nand-s3c2410.h>
46 #include <linux/platform_data/i2c-s3c2410.h>
47 #include <linux/platform_data/mmc-s3cmci.h>
48 #include <linux/platform_data/usb-s3c2410_udc.h>
49
50 #include <linux/mtd/mtd.h>
51 #include <linux/mtd/nand.h>
52 #include <linux/mtd/nand_ecc.h>
53 #include <linux/mtd/partitions.h>
54
55 #include <plat/gpio-cfg.h>
56 #include <plat/clock.h>
57 #include <plat/devs.h>
58 #include <plat/cpu.h>
59
60 #include <sound/s3c24xx_uda134x.h>
61
62 #include "common.h"
63
64 #define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300)
65
66 static struct map_desc mini2440_iodesc[] __initdata = {
67         /* nothing to declare, move along */
68 };
69
70 #define UCON S3C2410_UCON_DEFAULT
71 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
72 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
73
74
75 static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = {
76         [0] = {
77                 .hwport      = 0,
78                 .flags       = 0,
79                 .ucon        = UCON,
80                 .ulcon       = ULCON,
81                 .ufcon       = UFCON,
82         },
83         [1] = {
84                 .hwport      = 1,
85                 .flags       = 0,
86                 .ucon        = UCON,
87                 .ulcon       = ULCON,
88                 .ufcon       = UFCON,
89         },
90         [2] = {
91                 .hwport      = 2,
92                 .flags       = 0,
93                 .ucon        = UCON,
94                 .ulcon       = ULCON,
95                 .ufcon       = UFCON,
96         },
97 };
98
99 /* USB device UDC support */
100
101 static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = {
102         .pullup_pin = S3C2410_GPC(5),
103 };
104
105
106 /* LCD timing and setup */
107
108 /*
109  * This macro simplifies the table bellow
110  */
111 #define _LCD_DECLARE(_clock,_xres,margin_left,margin_right,hsync, \
112                         _yres,margin_top,margin_bottom,vsync, refresh) \
113         .width = _xres, \
114         .xres = _xres, \
115         .height = _yres, \
116         .yres = _yres, \
117         .left_margin    = margin_left,  \
118         .right_margin   = margin_right, \
119         .upper_margin   = margin_top,   \
120         .lower_margin   = margin_bottom,        \
121         .hsync_len      = hsync,        \
122         .vsync_len      = vsync,        \
123         .pixclock       = ((_clock*100000000000LL) /    \
124                            ((refresh) * \
125                            (hsync + margin_left + _xres + margin_right) * \
126                            (vsync + margin_top + _yres + margin_bottom))), \
127         .bpp            = 16,\
128         .type           = (S3C2410_LCDCON1_TFT16BPP |\
129                            S3C2410_LCDCON1_TFT)
130
131 static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = {
132         [0] = { /* mini2440 + 3.5" TFT + touchscreen */
133                 _LCD_DECLARE(
134                         7,                      /* The 3.5 is quite fast */
135                         240, 21, 38, 6,         /* x timing */
136                         320, 4, 4, 2,           /* y timing */
137                         60),                    /* refresh rate */
138                 .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
139                                    S3C2410_LCDCON5_INVVLINE |
140                                    S3C2410_LCDCON5_INVVFRAME |
141                                    S3C2410_LCDCON5_INVVDEN |
142                                    S3C2410_LCDCON5_PWREN),
143         },
144         [1] = { /* mini2440 + 7" TFT + touchscreen */
145                 _LCD_DECLARE(
146                         10,                     /* the 7" runs slower */
147                         800, 40, 40, 48,        /* x timing */
148                         480, 29, 3, 3,          /* y timing */
149                         50),                    /* refresh rate */
150                 .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
151                                    S3C2410_LCDCON5_INVVLINE |
152                                    S3C2410_LCDCON5_INVVFRAME |
153                                    S3C2410_LCDCON5_PWREN),
154         },
155         /* The VGA shield can outout at several resolutions. All share 
156          * the same timings, however, anything smaller than 1024x768
157          * will only be displayed in the top left corner of a 1024x768
158          * XGA output unless you add optional dip switches to the shield.
159          * Therefore timings for other resolutions have been omitted here.
160          */
161         [2] = {
162                 _LCD_DECLARE(
163                         10,
164                         1024, 1, 2, 2,          /* y timing */
165                         768, 200, 16, 16,       /* x timing */
166                         24),    /* refresh rate, maximum stable,
167                                  tested with the FPGA shield */
168                 .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
169                                    S3C2410_LCDCON5_HWSWP),
170         },
171         /* mini2440 + 3.5" TFT (LCD-W35i, LQ035Q1DG06 type) + touchscreen*/
172         [3] = {
173                 _LCD_DECLARE(
174                         /* clock */
175                         7,
176                         /* xres, margin_right, margin_left, hsync */
177                         320, 68, 66, 4,
178                         /* yres, margin_top, margin_bottom, vsync */
179                         240, 4, 4, 9,
180                         /* refresh rate */
181                         60),
182                 .lcdcon5        = (S3C2410_LCDCON5_FRM565 |
183                                    S3C2410_LCDCON5_INVVDEN |
184                                    S3C2410_LCDCON5_INVVFRAME |
185                                    S3C2410_LCDCON5_INVVLINE |
186                                    S3C2410_LCDCON5_INVVCLK |
187                                    S3C2410_LCDCON5_HWSWP),
188         },
189 };
190
191 /* todo - put into gpio header */
192
193 #define S3C2410_GPCCON_MASK(x)  (3 << ((x) * 2))
194 #define S3C2410_GPDCON_MASK(x)  (3 << ((x) * 2))
195
196 static struct s3c2410fb_mach_info mini2440_fb_info __initdata = {
197         .displays        = &mini2440_lcd_cfg[0], /* not constant! see init */
198         .num_displays    = 1,
199         .default_display = 0,
200
201         /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
202          * and disable the pull down resistors on pins we are using for LCD
203          * data. */
204
205         .gpcup          = (0xf << 1) | (0x3f << 10),
206
207         .gpccon         = (S3C2410_GPC1_VCLK   | S3C2410_GPC2_VLINE |
208                            S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM |
209                            S3C2410_GPC10_VD2   | S3C2410_GPC11_VD3 |
210                            S3C2410_GPC12_VD4   | S3C2410_GPC13_VD5 |
211                            S3C2410_GPC14_VD6   | S3C2410_GPC15_VD7),
212
213         .gpccon_mask    = (S3C2410_GPCCON_MASK(1)  | S3C2410_GPCCON_MASK(2)  |
214                            S3C2410_GPCCON_MASK(3)  | S3C2410_GPCCON_MASK(4)  |
215                            S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
216                            S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
217                            S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),
218
219         .gpdup          = (0x3f << 2) | (0x3f << 10),
220
221         .gpdcon         = (S3C2410_GPD2_VD10  | S3C2410_GPD3_VD11 |
222                            S3C2410_GPD4_VD12  | S3C2410_GPD5_VD13 |
223                            S3C2410_GPD6_VD14  | S3C2410_GPD7_VD15 |
224                            S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 |
225                            S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 |
226                            S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23),
227
228         .gpdcon_mask    = (S3C2410_GPDCON_MASK(2)  | S3C2410_GPDCON_MASK(3) |
229                            S3C2410_GPDCON_MASK(4)  | S3C2410_GPDCON_MASK(5) |
230                            S3C2410_GPDCON_MASK(6)  | S3C2410_GPDCON_MASK(7) |
231                            S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
232                            S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
233                            S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
234 };
235
236 /* MMC/SD  */
237
238 static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = {
239    .gpio_detect   = S3C2410_GPG(8),
240    .gpio_wprotect = S3C2410_GPH(8),
241    .set_power     = NULL,
242    .ocr_avail     = MMC_VDD_32_33|MMC_VDD_33_34,
243 };
244
245 /* NAND Flash on MINI2440 board */
246
247 static struct mtd_partition mini2440_default_nand_part[] __initdata = {
248         [0] = {
249                 .name   = "u-boot",
250                 .size   = SZ_256K,
251                 .offset = 0,
252         },
253         [1] = {
254                 .name   = "u-boot-env",
255                 .size   = SZ_128K,
256                 .offset = SZ_256K,
257         },
258         [2] = {
259                 .name   = "kernel",
260                 /* 5 megabytes, for a kernel with no modules
261                  * or a uImage with a ramdisk attached */
262                 .size   = 0x00500000,
263                 .offset = SZ_256K + SZ_128K,
264         },
265         [3] = {
266                 .name   = "root",
267                 .offset = SZ_256K + SZ_128K + 0x00500000,
268                 .size   = MTDPART_SIZ_FULL,
269         },
270 };
271
272 static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = {
273         [0] = {
274                 .name           = "nand",
275                 .nr_chips       = 1,
276                 .nr_partitions  = ARRAY_SIZE(mini2440_default_nand_part),
277                 .partitions     = mini2440_default_nand_part,
278                 .flash_bbt      = 1, /* we use u-boot to create a BBT */
279         },
280 };
281
282 static struct s3c2410_platform_nand mini2440_nand_info __initdata = {
283         .tacls          = 0,
284         .twrph0         = 25,
285         .twrph1         = 15,
286         .nr_sets        = ARRAY_SIZE(mini2440_nand_sets),
287         .sets           = mini2440_nand_sets,
288         .ignore_unset_ecc = 1,
289 };
290
291 /* DM9000AEP 10/100 ethernet controller */
292
293 static struct resource mini2440_dm9k_resource[] = {
294         [0] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE, 4),
295         [1] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE + 4, 4),
296         [2] = DEFINE_RES_NAMED(IRQ_EINT7, 1, NULL, IORESOURCE_IRQ \
297                                                 | IORESOURCE_IRQ_HIGHEDGE),
298 };
299
300 /*
301  * The DM9000 has no eeprom, and it's MAC address is set by
302  * the bootloader before starting the kernel.
303  */
304 static struct dm9000_plat_data mini2440_dm9k_pdata = {
305         .flags          = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
306 };
307
308 static struct platform_device mini2440_device_eth = {
309         .name           = "dm9000",
310         .id             = -1,
311         .num_resources  = ARRAY_SIZE(mini2440_dm9k_resource),
312         .resource       = mini2440_dm9k_resource,
313         .dev            = {
314                 .platform_data  = &mini2440_dm9k_pdata,
315         },
316 };
317
318 /*  CON5
319  *      +--+     /-----\
320  *      |  |    |       |
321  *      |  |    |  BAT  |
322  *      |  |     \_____/
323  *      |  |
324  *      |  |  +----+  +----+
325  *      |  |  | K5 |  | K1 |
326  *      |  |  +----+  +----+
327  *      |  |  +----+  +----+
328  *      |  |  | K4 |  | K2 |
329  *      |  |  +----+  +----+
330  *      |  |  +----+  +----+
331  *      |  |  | K6 |  | K3 |
332  *      |  |  +----+  +----+
333  *        .....
334  */
335 static struct gpio_keys_button mini2440_buttons[] = {
336         {
337                 .gpio           = S3C2410_GPG(0),               /* K1 */
338                 .code           = KEY_F1,
339                 .desc           = "Button 1",
340                 .active_low     = 1,
341         },
342         {
343                 .gpio           = S3C2410_GPG(3),               /* K2 */
344                 .code           = KEY_F2,
345                 .desc           = "Button 2",
346                 .active_low     = 1,
347         },
348         {
349                 .gpio           = S3C2410_GPG(5),               /* K3 */
350                 .code           = KEY_F3,
351                 .desc           = "Button 3",
352                 .active_low     = 1,
353         },
354         {
355                 .gpio           = S3C2410_GPG(6),               /* K4 */
356                 .code           = KEY_POWER,
357                 .desc           = "Power",
358                 .active_low     = 1,
359         },
360         {
361                 .gpio           = S3C2410_GPG(7),               /* K5 */
362                 .code           = KEY_F5,
363                 .desc           = "Button 5",
364                 .active_low     = 1,
365         },
366 #if 0
367         /* this pin is also known as TCLK1 and seems to already
368          * marked as "in use" somehow in the kernel -- possibly wrongly */
369         {
370                 .gpio           = S3C2410_GPG(11),      /* K6 */
371                 .code           = KEY_F6,
372                 .desc           = "Button 6",
373                 .active_low     = 1,
374         },
375 #endif
376 };
377
378 static struct gpio_keys_platform_data mini2440_button_data = {
379         .buttons        = mini2440_buttons,
380         .nbuttons       = ARRAY_SIZE(mini2440_buttons),
381 };
382
383 static struct platform_device mini2440_button_device = {
384         .name           = "gpio-keys",
385         .id             = -1,
386         .dev            = {
387                 .platform_data  = &mini2440_button_data,
388         }
389 };
390
391 /* LEDS */
392
393 static struct s3c24xx_led_platdata mini2440_led1_pdata = {
394         .name           = "led1",
395         .gpio           = S3C2410_GPB(5),
396         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
397         .def_trigger    = "heartbeat",
398 };
399
400 static struct s3c24xx_led_platdata mini2440_led2_pdata = {
401         .name           = "led2",
402         .gpio           = S3C2410_GPB(6),
403         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
404         .def_trigger    = "nand-disk",
405 };
406
407 static struct s3c24xx_led_platdata mini2440_led3_pdata = {
408         .name           = "led3",
409         .gpio           = S3C2410_GPB(7),
410         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
411         .def_trigger    = "mmc0",
412 };
413
414 static struct s3c24xx_led_platdata mini2440_led4_pdata = {
415         .name           = "led4",
416         .gpio           = S3C2410_GPB(8),
417         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
418         .def_trigger    = "",
419 };
420
421 static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = {
422         .name           = "backlight",
423         .gpio           = S3C2410_GPG(4),
424         .def_trigger    = "backlight",
425 };
426
427 static struct platform_device mini2440_led1 = {
428         .name           = "s3c24xx_led",
429         .id             = 1,
430         .dev            = {
431                 .platform_data  = &mini2440_led1_pdata,
432         },
433 };
434
435 static struct platform_device mini2440_led2 = {
436         .name           = "s3c24xx_led",
437         .id             = 2,
438         .dev            = {
439                 .platform_data  = &mini2440_led2_pdata,
440         },
441 };
442
443 static struct platform_device mini2440_led3 = {
444         .name           = "s3c24xx_led",
445         .id             = 3,
446         .dev            = {
447                 .platform_data  = &mini2440_led3_pdata,
448         },
449 };
450
451 static struct platform_device mini2440_led4 = {
452         .name           = "s3c24xx_led",
453         .id             = 4,
454         .dev            = {
455                 .platform_data  = &mini2440_led4_pdata,
456         },
457 };
458
459 static struct platform_device mini2440_led_backlight = {
460         .name           = "s3c24xx_led",
461         .id             = 5,
462         .dev            = {
463                 .platform_data  = &mini2440_led_backlight_pdata,
464         },
465 };
466
467 /* AUDIO */
468
469 static struct s3c24xx_uda134x_platform_data mini2440_audio_pins = {
470         .l3_clk = S3C2410_GPB(4),
471         .l3_mode = S3C2410_GPB(2),
472         .l3_data = S3C2410_GPB(3),
473         .model = UDA134X_UDA1341
474 };
475
476 static struct platform_device mini2440_audio = {
477         .name           = "s3c24xx_uda134x",
478         .id             = 0,
479         .dev            = {
480                 .platform_data  = &mini2440_audio_pins,
481         },
482 };
483
484 /*
485  * I2C devices
486  */
487 static struct at24_platform_data at24c08 = {
488         .byte_len       = SZ_8K / 8,
489         .page_size      = 16,
490 };
491
492 static struct i2c_board_info mini2440_i2c_devs[] __initdata = {
493         {
494                 I2C_BOARD_INFO("24c08", 0x50),
495                 .platform_data = &at24c08,
496         },
497 };
498
499 static struct platform_device uda1340_codec = {
500                 .name = "uda134x-codec",
501                 .id = -1,
502 };
503
504 static struct platform_device *mini2440_devices[] __initdata = {
505         &s3c_device_ohci,
506         &s3c_device_wdt,
507         &s3c_device_i2c0,
508         &s3c_device_rtc,
509         &s3c_device_usbgadget,
510         &mini2440_device_eth,
511         &mini2440_led1,
512         &mini2440_led2,
513         &mini2440_led3,
514         &mini2440_led4,
515         &mini2440_button_device,
516         &s3c_device_nand,
517         &s3c_device_sdi,
518         &s3c_device_iis,
519         &uda1340_codec,
520         &mini2440_audio,
521 };
522
523 static void __init mini2440_map_io(void)
524 {
525         s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc));
526         s3c24xx_init_clocks(12000000);
527         s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs));
528 }
529
530 /*
531  * mini2440_features string
532  *
533  * t = Touchscreen present
534  * b = backlight control
535  * c = camera [TODO]
536  * 0-9 LCD configuration
537  *
538  */
539 static char mini2440_features_str[12] __initdata = "0tb";
540
541 static int __init mini2440_features_setup(char *str)
542 {
543         if (str)
544                 strlcpy(mini2440_features_str, str, sizeof(mini2440_features_str));
545         return 1;
546 }
547
548 __setup("mini2440=", mini2440_features_setup);
549
550 #define FEATURE_SCREEN (1 << 0)
551 #define FEATURE_BACKLIGHT (1 << 1)
552 #define FEATURE_TOUCH (1 << 2)
553 #define FEATURE_CAMERA (1 << 3)
554
555 struct mini2440_features_t {
556         int count;
557         int done;
558         int lcd_index;
559         struct platform_device *optional[8];
560 };
561
562 static void __init mini2440_parse_features(
563                 struct mini2440_features_t * features,
564                 const char * features_str )
565 {
566         const char * fp = features_str;
567
568         features->count = 0;
569         features->done = 0;
570         features->lcd_index = -1;
571
572         while (*fp) {
573                 char f = *fp++;
574
575                 switch (f) {
576                 case '0'...'9': /* tft screen */
577                         if (features->done & FEATURE_SCREEN) {
578                                 printk(KERN_INFO "MINI2440: '%c' ignored, "
579                                         "screen type already set\n", f);
580                         } else {
581                                 int li = f - '0';
582                                 if (li >= ARRAY_SIZE(mini2440_lcd_cfg))
583                                         printk(KERN_INFO "MINI2440: "
584                                                 "'%c' out of range LCD mode\n", f);
585                                 else {
586                                         features->optional[features->count++] =
587                                                         &s3c_device_lcd;
588                                         features->lcd_index = li;
589                                 }
590                         }
591                         features->done |= FEATURE_SCREEN;
592                         break;
593                 case 'b':
594                         if (features->done & FEATURE_BACKLIGHT)
595                                 printk(KERN_INFO "MINI2440: '%c' ignored, "
596                                         "backlight already set\n", f);
597                         else {
598                                 features->optional[features->count++] =
599                                                 &mini2440_led_backlight;
600                         }
601                         features->done |= FEATURE_BACKLIGHT;
602                         break;
603                 case 't':
604                         printk(KERN_INFO "MINI2440: '%c' ignored, "
605                                 "touchscreen not compiled in\n", f);
606                         break;
607                 case 'c':
608                         if (features->done & FEATURE_CAMERA)
609                                 printk(KERN_INFO "MINI2440: '%c' ignored, "
610                                         "camera already registered\n", f);
611                         else
612                                 features->optional[features->count++] =
613                                         &s3c_device_camif;
614                         features->done |= FEATURE_CAMERA;
615                         break;
616                 }
617         }
618 }
619
620 static void __init mini2440_init(void)
621 {
622         struct mini2440_features_t features = { 0 };
623         int i;
624
625         printk(KERN_INFO "MINI2440: Option string mini2440=%s\n",
626                         mini2440_features_str);
627
628         /* Parse the feature string */
629         mini2440_parse_features(&features, mini2440_features_str);
630
631         /* turn LCD on */
632         s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND);
633
634         /* Turn the backlight early on */
635         WARN_ON(gpio_request_one(S3C2410_GPG(4), GPIOF_OUT_INIT_HIGH, NULL));
636         gpio_free(S3C2410_GPG(4));
637
638         /* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */
639         gpio_request_one(S3C2410_GPB(1), GPIOF_IN, NULL);
640         s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP);
641         gpio_free(S3C2410_GPB(1));
642
643         /* mark the key as input, without pullups (there is one on the board) */
644         for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) {
645                 s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP);
646                 s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT);
647         }
648         if (features.lcd_index != -1) {
649                 int li;
650
651                 mini2440_fb_info.displays =
652                         &mini2440_lcd_cfg[features.lcd_index];
653
654                 printk(KERN_INFO "MINI2440: LCD");
655                 for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++)
656                         if (li == features.lcd_index)
657                                 printk(" [%d:%dx%d]", li,
658                                         mini2440_lcd_cfg[li].width,
659                                         mini2440_lcd_cfg[li].height);
660                         else
661                                 printk(" %d:%dx%d", li,
662                                         mini2440_lcd_cfg[li].width,
663                                         mini2440_lcd_cfg[li].height);
664                 printk("\n");
665                 s3c24xx_fb_set_platdata(&mini2440_fb_info);
666         }
667
668         s3c24xx_udc_set_platdata(&mini2440_udc_cfg);
669         s3c24xx_mci_set_platdata(&mini2440_mmc_cfg);
670         s3c_nand_set_platdata(&mini2440_nand_info);
671         s3c_i2c0_set_platdata(NULL);
672
673         i2c_register_board_info(0, mini2440_i2c_devs,
674                                 ARRAY_SIZE(mini2440_i2c_devs));
675
676         platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices));
677
678         if (features.count)     /* the optional features */
679                 platform_add_devices(features.optional, features.count);
680
681 }
682
683
684 MACHINE_START(MINI2440, "MINI2440")
685         /* Maintainer: Michel Pollet <buserror@gmail.com> */
686         .atag_offset    = 0x100,
687         .map_io         = mini2440_map_io,
688         .init_machine   = mini2440_init,
689         .init_irq       = s3c24xx_init_irq,
690         .init_time      = s3c24xx_timer_init,
691         .restart        = s3c244x_restart,
692 MACHINE_END