s5pc110: kessler: code cleanup
[kernel/u-boot.git] / board / samsung / universal / universal.c
1 /*
2  * Copyright (C) 2009 Samsung Electronics
3  * Kyungmin Park <kyungmin.park@samsung.com>
4  * Minkyu Kang <mk7.kang@samsung.com>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24
25 #include <common.h>
26 #include <i2c.h>
27 #include <malloc.h>
28 #include <asm/io.h>
29 #include <asm/arch/clk.h>
30 #include <asm/arch/clock.h>
31 #include <asm/arch/gpio.h>
32 #include <asm/arch/keypad.h>
33 #include <asm/arch/mmc.h>
34 #include <asm/arch/power.h>
35 #include <asm/arch/mem.h>
36 #include <asm/errno.h>
37 #include <fbutils.h>
38 #include <lcd.h>
39 #include <bmp_layout.h>
40
41 #include "animation_frames.h"
42 #include "gpio_setting.h"
43
44 DECLARE_GLOBAL_DATA_PTR;
45
46 #define C100_MACH_START                 3000
47 #define C110_MACH_START                 3100
48
49 /* FIXME Neptune workaround */
50 #define USE_NEPTUNE_BOARD
51 #undef USE_NEPTUNE_BOARD
52
53 static unsigned int board_rev;
54 static unsigned int battery_soc;
55 static struct s5pc110_gpio *s5pc110_gpio;
56
57 enum {
58         I2C_2,
59         I2C_GPIO3,
60         I2C_PMIC,
61         I2C_GPIO5,
62         I2C_GPIO6,
63         I2C_GPIO7,
64         I2C_GPIO10,
65 };
66
67 /*
68  * i2c 2
69  * SDA: GPD1[4]
70  * SCL: GPD1[5]
71  */
72 static struct i2c_gpio_bus_data i2c_2 = {
73         .sda_pin        = 4,
74         .scl_pin        = 5,
75 };
76
77 /*
78  * i2c gpio3
79  * SDA: GPJ3[6]
80  * SCL: GPJ3[7]
81  */
82 static struct i2c_gpio_bus_data i2c_gpio3 = {
83         .sda_pin        = 6,
84         .scl_pin        = 7,
85 };
86
87 /*
88  * i2c pmic
89  * SDA: GPJ4[0]
90  * SCL: GPJ4[3]
91  */
92 static struct i2c_gpio_bus_data i2c_pmic = {
93         .sda_pin        = 0,
94         .scl_pin        = 3,
95 };
96
97 /*
98  * i2c gpio5
99  * SDA: MP05[3]
100  * SCL: MP05[2]
101  */
102 static struct i2c_gpio_bus_data i2c_gpio5 = {
103         .sda_pin        = 3,
104         .scl_pin        = 2,
105 };
106
107 /*
108  * i2c gpio6
109  * SDA: GPJ3[4]
110  * SCL: GPJ3[5]
111  */
112 static struct i2c_gpio_bus_data i2c_gpio6 = {
113         .sda_pin        = 4,
114         .scl_pin        = 5,
115 };
116
117 /*
118  * i2c gpio7 - kessler
119  * SDA: MP05[1]
120  * SCL: MP05[0]
121  */
122 static struct i2c_gpio_bus_data i2c_gpio7 = {
123         .sda_pin        = 1,
124         .scl_pin        = 0,
125 };
126
127 /*
128  * i2c gpio7 - cypress
129  * SDA: MP05[6]
130  * SCL: MP05[4]
131  */
132 static struct i2c_gpio_bus_data i2c_cypress_gpio7 = {
133         .sda_pin        = 6,
134         .scl_pin        = 4,
135 };
136
137 /*
138  * i2c gpio10
139  * SDA: GPJ3[0]
140  * SCL: GPJ3[1]
141  */
142 static struct i2c_gpio_bus_data i2c_gpio10 = {
143         .sda_pin        = 0,
144         .scl_pin        = 1,
145 };
146
147
148 static struct i2c_gpio_bus i2c_gpio[] = {
149         {
150                 .bus    = &i2c_2,
151         }, {
152                 .bus    = &i2c_gpio3,
153         }, {
154                 .bus    = &i2c_pmic,
155         }, {
156                 .bus    = &i2c_gpio5,
157         }, {
158                 .bus    = &i2c_gpio6,
159         }, {
160                 .bus    = &i2c_gpio7,
161         }, {
162                 .bus    = &i2c_gpio10,
163         },
164 };
165
166 u32 get_board_rev(void)
167 {
168         return board_rev;
169 }
170
171 static int hwrevision(int rev)
172 {
173         return (board_rev & 0xf) == rev;
174 }
175
176 enum {
177         MACH_UNIVERSAL,
178         MACH_TICKERTAPE,
179         MACH_CHANGED,
180         MACH_P1P2,      /* Don't remove it */
181         MACH_GEMINUS,
182         MACH_CYPRESS,
183
184         MACH_WMG160 = 160,
185
186         MACH_AQUILA     = 2646,
187
188         MACH_KESSLER    = 3102,
189 };
190
191 #define SPLIT_SCREEN_FEATURE    0x100
192
193 /* board is MACH_AQUILA and board is like below. */
194 #define J1_B2_BOARD             0x0200
195 #define LIMO_UNIVERSAL_BOARD    0x0400
196 #define LIMO_REAL_BOARD         0x0800
197 #define MEDIA_BOARD             0x1000
198 #define BAMBOO_BOARD            0x2000
199
200 /* board is MACH_KESSLER and board is like below */
201 #define ARIES_BOARD             0x4000
202 #define NEPTUNE_BOARD           0x8000
203
204 #define BOARD_MASK              0xFF00
205
206 static int c110_machine_id(void)
207 {
208         return gd->bd->bi_arch_number - C110_MACH_START;
209 }
210
211 static int machine_is_aquila(void)
212 {
213         return (gd->bd->bi_arch_number == MACH_AQUILA);
214 }
215
216 static int machine_is_tickertape(void)
217 {
218         return c110_machine_id() == MACH_TICKERTAPE;
219 }
220
221 static int machine_is_geminus(void)
222 {
223         return c110_machine_id() == MACH_GEMINUS;
224 }
225
226 static int machine_is_cypress(void)
227 {
228         return c110_machine_id() == MACH_CYPRESS;
229 }
230
231 static int board_is_limo_universal(void)
232 {
233         return machine_is_aquila() && (board_rev & LIMO_UNIVERSAL_BOARD);
234 }
235
236 static int board_is_limo_real(void)
237 {
238         return machine_is_aquila() && (board_rev & LIMO_REAL_BOARD);
239 }
240
241 static int board_is_media(void)
242 {
243         return machine_is_aquila() && (board_rev & MEDIA_BOARD);
244 }
245
246 static int board_is_j1b2(void)
247 {
248         return machine_is_aquila() && (board_rev & J1_B2_BOARD);
249 }
250
251 /* Kessler */
252 static int machine_is_kessler(void)
253 {
254         return gd->bd->bi_arch_number == MACH_KESSLER;
255 }
256
257 static int board_is_neptune(void)
258 {
259         return machine_is_kessler() && (board_rev & NEPTUNE_BOARD);
260 }
261
262 /* DLNA Dongle */
263 static int machine_is_wmg160(void)
264 {
265         return c110_machine_id() == MACH_WMG160;
266 }
267
268 static void enable_battery(void);
269
270 void i2c_init_board(void)
271 {
272         struct s5pc110_gpio *gpio = (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
273         int num_bus;
274
275         if (cpu_is_s5pc100())
276                 return;
277
278         num_bus = ARRAY_SIZE(i2c_gpio);
279
280         if (machine_is_aquila()) {
281                 i2c_gpio[I2C_GPIO6].bus->gpio_base = 0;
282                 i2c_gpio[I2C_GPIO7].bus->gpio_base = 0;
283         } else if (machine_is_kessler()) {
284                 i2c_gpio[I2C_GPIO7].bus->gpio_base =
285                         (unsigned int)&gpio->gpio_mp0_5;
286         } else if (machine_is_cypress()) {
287                 i2c_gpio[I2C_GPIO7].bus = &i2c_cypress_gpio7;
288                 i2c_gpio[I2C_GPIO7].bus->gpio_base =
289                         (unsigned int)&gpio->gpio_mp0_5;
290         } else {
291                 i2c_gpio[I2C_GPIO7].bus->gpio_base = 0;
292         }
293
294         i2c_gpio[I2C_2].bus->gpio_base = (unsigned int)&gpio->gpio_d1;
295         i2c_gpio[I2C_GPIO3].bus->gpio_base = (unsigned int)&gpio->gpio_j3;
296         i2c_gpio[I2C_PMIC].bus->gpio_base = (unsigned int)&gpio->gpio_j4;
297         i2c_gpio[I2C_GPIO5].bus->gpio_base = (unsigned int)&gpio->gpio_mp0_5;
298         i2c_gpio[I2C_GPIO6].bus->gpio_base = (unsigned int)&gpio->gpio_j3;
299
300         i2c_gpio_init(i2c_gpio, num_bus, I2C_PMIC);
301
302         /* Reset on max17040 early */
303         if (battery_soc == 0)
304                 enable_battery();
305 }
306
307 #ifdef CONFIG_MISC_INIT_R
308 #define DEV_INFO_LEN            512
309 static char device_info[DEV_INFO_LEN];
310 static int display_info;
311
312 static void dprintf(const char *fmt, ...)
313 {
314         va_list args;
315         uint i;
316         char buf[128];
317
318         va_start(args, fmt);
319         i = vsprintf(buf, fmt, args);
320         va_end(args);
321
322         buf[127] = 0;
323
324         if ((strlen(device_info) + strlen(buf)) > (DEV_INFO_LEN - 1)) {
325                 puts("Flushing device info...\n");
326                 puts(device_info);
327                 device_info[0] = 0;
328         }
329         strcat(device_info, buf);
330         puts(buf);
331 }
332
333 #ifdef CONFIG_S5PC1XXFB
334 static void display_device_info(void)
335 {
336         if (!display_info)
337                 return;
338
339         init_font();
340         set_font_xy(0, 450);
341         set_font_color(FONT_WHITE);
342         fb_printf(device_info);
343         exit_font();
344
345         memset(device_info, 0x0, DEV_INFO_LEN);
346
347         udelay(5 * 1000 * 1000);
348 }
349 #endif
350
351 static const char *board_name[] = {
352         "Universal",
353         "TickerTape",
354         "Aquila",
355         "P1P2",         /* Don't remove it */
356         "Geminus",
357         "Cypress",
358         "Neptune",
359 };
360
361 enum {
362         MEM_4G1G1G,
363         MEM_4G2G1G,
364         MEM_4G3G1G,
365         MEM_4G4G1G,
366 };
367
368 static char feature_buffer[32];
369
370 static char *display_features(int board, int board_rev)
371 {
372         int count = 0;
373         char *buf = feature_buffer;
374         char *name = NULL;
375
376         if (board == MACH_AQUILA) {
377                 if (board_rev & SPLIT_SCREEN_FEATURE)
378                         name = "SplitScreen";
379                 if (board_rev & J1_B2_BOARD)
380                         name = "J1 B2";
381                 /* Limo Real or Universal */
382                 if (board_rev & LIMO_REAL_BOARD)
383                         name = "Limo Real";
384                 else if (board_rev & LIMO_UNIVERSAL_BOARD)
385                         name = "Limo Universal";
386                 if (board_rev & MEDIA_BOARD)
387                         name = "Media";
388                 if (board_rev & BAMBOO_BOARD)
389                         name = "Bamboo";
390         } else if (board == MACH_KESSLER) {
391                 if (board_rev & ARIES_BOARD)
392                         name = "Aries";
393                 if (board_rev & NEPTUNE_BOARD)
394                         name = "Neptune";
395         }
396         if (name)
397                 count += sprintf(buf + count, " - %s", name);
398
399         return buf;
400 }
401
402 static char *get_board_name(int board)
403 {
404         if (board == MACH_AQUILA)
405                 return "Aquila";
406         else if (board == MACH_KESSLER)
407                 return "Kessler";
408         else if (board == MACH_WMG160)
409                 return "WMG160";
410         return (char *) board_name[board];
411 }
412
413 static void check_board_revision(int board, int rev)
414 {
415         if (board == MACH_AQUILA) {
416                 /* Limo Real or Universal */
417                 if (rev & LIMO_UNIVERSAL_BOARD)
418                         board_rev &= ~J1_B2_BOARD;
419                 if (rev & LIMO_REAL_BOARD)
420                         board_rev &= ~(J1_B2_BOARD |
421                                         LIMO_UNIVERSAL_BOARD);
422                 if (rev & MEDIA_BOARD)
423                         board_rev &= ~(J1_B2_BOARD |
424                                         LIMO_UNIVERSAL_BOARD);
425                 if (rev & BAMBOO_BOARD)
426                         board_rev &= ~(J1_B2_BOARD |
427                                         LIMO_UNIVERSAL_BOARD |
428                                         LIMO_REAL_BOARD |
429                                         MEDIA_BOARD);
430         } else if (board == MACH_KESSLER) {
431                 if (rev & ARIES_BOARD)
432                         board_rev &= ~(J1_B2_BOARD |
433                                         LIMO_UNIVERSAL_BOARD);
434                 if (rev & NEPTUNE_BOARD)
435                         board_rev &= ~(J1_B2_BOARD |
436                                         LIMO_UNIVERSAL_BOARD);
437         } else
438                 board_rev &= ~BOARD_MASK;
439 }
440
441 static unsigned int get_hw_revision(struct s5pc1xx_gpio_bank *bank, int hwrev3)
442 {
443         unsigned int rev;
444         int mode3 = 1;
445
446         if (hwrev3)
447                 mode3 = 7;
448
449         gpio_direction_input(bank, 2);
450         gpio_direction_input(bank, 3);
451         gpio_direction_input(bank, 4);
452         gpio_direction_input(bank, mode3);
453
454         gpio_set_pull(bank, 2, GPIO_PULL_NONE);         /* HWREV_MODE0 */
455         gpio_set_pull(bank, 3, GPIO_PULL_NONE);         /* HWREV_MODE1 */
456         gpio_set_pull(bank, 4, GPIO_PULL_NONE);         /* HWREV_MODE2 */
457         gpio_set_pull(bank, mode3, GPIO_PULL_NONE);     /* HWREV_MODE3 */
458
459         rev = gpio_get_value(bank, 2);
460         rev |= (gpio_get_value(bank, 3) << 1);
461         rev |= (gpio_get_value(bank, 4) << 2);
462         rev |= (gpio_get_value(bank, mode3) << 3);
463
464         return rev;
465 }
466
467 static void check_hw_revision(void)
468 {
469         unsigned int board = MACH_UNIVERSAL;    /* Default is Universal */
470
471         if (cpu_is_s5pc100()) {
472                 struct s5pc100_gpio *gpio =
473                         (struct s5pc100_gpio *)S5PC100_GPIO_BASE;
474
475                 board_rev = get_hw_revision(&gpio->gpio_j0, 0);
476
477                 /* C100 TickerTape */
478                 if (board_rev == 3)
479                         board = MACH_TICKERTAPE;
480         } else {
481                 struct s5pc110_gpio *gpio =
482                         (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
483                 int hwrev3 = 0;
484
485                 board_rev = 0;
486
487                 /*
488                  * Note Check 'Aquila' board first
489                  *
490                  * TT: TickerTape
491                  * SS: SplitScreen
492                  * LRA: Limo Real Aquila
493                  * LUA: Limo Universal Aquila
494                  * OA: Old Aquila
495                  * CYP: Cypress
496                  * BB: Bamboo
497                  *
498                  * ADDR = 0xE0200000 + OFF
499                  *
500                  *       OFF    Universal BB   LRA  LUA  OA   TT   SS        CYP
501                  *   J1: 0x0264 0x10      0x10 0x00 0x00 0x00 0x00 0x00     
502                  *   J2: 0x0284           0x01 0x10 0x00 
503                  *   H1: 0x0C24    W           0x28 0xA8 0x1C                0x0F
504                  *   H3: 0x0C64                0x03 0x07 0x0F               
505                  *   D1: 0x00C4 0x0F           0x3F 0x3F 0x0F 0xXC 0x3F
506                  *    I: 0x0224                          0x02 0x00 0x08
507                  * MP03: 0x0324                          0x9x      0xbx 0x9x
508                  * MP05: 0x0364                          0x80      0x88
509                  */
510
511                 /* C110 Aquila */
512                 if (gpio_get_value(&gpio->gpio_j1, 4) == 0) {
513                         board = MACH_AQUILA;
514                         board_rev |= J1_B2_BOARD;
515
516                         gpio_set_pull(&gpio->gpio_j2, 6, GPIO_PULL_NONE);
517                         gpio_direction_input(&gpio->gpio_j2, 6);
518
519                         /* Check board */
520                         if (gpio_get_value(&gpio->gpio_h1, 2) == 0)
521                                 board_rev |= LIMO_UNIVERSAL_BOARD;
522
523                         if (gpio_get_value(&gpio->gpio_h3, 2) == 0)
524                                 board_rev |= LIMO_REAL_BOARD;
525
526                         if (gpio_get_value(&gpio->gpio_j2, 6) == 1)
527                                 board_rev |= MEDIA_BOARD;
528
529                         /* set gpio to default value. */
530                         gpio_set_pull(&gpio->gpio_j2, 6, GPIO_PULL_DOWN);
531                         gpio_direction_output(&gpio->gpio_j2, 6, 0);
532                 }
533
534                 /* Workaround: C110 Aquila Rev0.6 */
535                 if (board_rev == 6) {
536                         board = MACH_AQUILA;
537                         board_rev |= LIMO_REAL_BOARD;
538                 }
539
540                 /* C110 Aquila Bamboo */
541                 if (gpio_get_value(&gpio->gpio_j2, 0) == 1) {
542                         board = MACH_AQUILA;
543                         board_rev |= BAMBOO_BOARD;
544                 }
545
546                 /* C110 TickerTape */
547                 if (gpio_get_value(&gpio->gpio_d1, 0) == 0 &&
548                                 gpio_get_value(&gpio->gpio_d1, 1) == 0)
549                         board = MACH_TICKERTAPE;
550
551                 /* WMG160 - GPH3[0:4] = 0x00 */
552                 if (board == MACH_TICKERTAPE) {
553                         int i, wmg160 = 1;
554
555                         for (i = 0; i < 4; i++) {
556                                 if (gpio_get_value(&gpio->gpio_h3, i) != 0) {
557                                         wmg160 = 0;
558                                         break;
559                                 }
560                         }
561                         if (wmg160) {
562                                 board = MACH_WMG160;
563                                 hwrev3 = 1;
564                         }
565                 }
566
567                 /* C110 Geminus for rev0.0 */
568                 gpio_set_pull(&gpio->gpio_j1, 2, GPIO_PULL_NONE);
569                 gpio_direction_input(&gpio->gpio_j1, 2);
570                 if (gpio_get_value(&gpio->gpio_j1, 2) == 1) {
571                         board = MACH_GEMINUS;
572                         if ((board_rev & ~BOARD_MASK) == 3)
573                                 board_rev &= ~0xff;
574                 }
575                 gpio_set_pull(&gpio->gpio_j1, 2, GPIO_PULL_DOWN);
576                 gpio_direction_output(&gpio->gpio_j1, 2, 0);
577
578                 /* C110 Geminus for rev0.1 ~ */
579                 gpio_set_pull(&gpio->gpio_j0, 6, GPIO_PULL_NONE);
580                 gpio_direction_input(&gpio->gpio_j0, 6);
581                 if (gpio_get_value(&gpio->gpio_j0, 6) == 1) {
582                         board = MACH_GEMINUS;
583                         hwrev3 = 1;
584                 }
585                 gpio_set_pull(&gpio->gpio_j0, 6, GPIO_PULL_DOWN);
586
587                 /* Kessler MP0_5[6] == 1 */
588                 gpio_direction_input(&gpio->gpio_mp0_5, 6);
589                 if (gpio_get_value(&gpio->gpio_mp0_5, 6) == 1) {
590                         /* Cypress: Do this for cypress */
591                         gpio_set_pull(&gpio->gpio_j2, 2, GPIO_PULL_NONE);
592                         gpio_direction_input(&gpio->gpio_j2, 2);
593                         if (gpio_get_value(&gpio->gpio_j2, 2) == 1) {
594                                 board = MACH_CYPRESS;
595                                 gpio_direction_output(&gpio->gpio_mp0_5, 6, 0);
596                         } else {
597                                 board = MACH_KESSLER;
598                                 board_rev |= ARIES_BOARD;
599 #ifdef USE_NEPTUNE_BOARD
600                                 board_rev &= ~ARIES_BOARD;
601                                 board_rev |= NEPTUNE_BOARD;
602 #endif
603                         }
604                         gpio_set_pull(&gpio->gpio_j2, 2, GPIO_PULL_DOWN);
605                         hwrev3 = 1;
606                 } else
607                         gpio_direction_output(&gpio->gpio_mp0_5, 6, 0);
608
609                 board_rev |= get_hw_revision(&gpio->gpio_j0, hwrev3);
610         }
611
612         /* Set machine id */
613         if (board == MACH_AQUILA)
614                 gd->bd->bi_arch_number = MACH_AQUILA;
615         else if (board == MACH_KESSLER)
616                 gd->bd->bi_arch_number = MACH_KESSLER;
617         else if (cpu_is_s5pc110())
618                 gd->bd->bi_arch_number = C110_MACH_START + board;
619         else
620                 gd->bd->bi_arch_number = C100_MACH_START + board;
621
622         /* Architecture Common settings */
623         if (cpu_is_s5pc110()) {
624                 setenv("mtdparts", MTDPARTS_DEFAULT_4KB);
625         } else {
626                 setenv("bootk", "onenand read 0x30007FC0 0x60000 0x300000; "
627                                 "bootm 0x30007FC0");
628                 setenv("updatek", "onenand erase 0x60000 0x300000; "
629                                   "onenand write 0x31008000 0x60000 0x300000");
630         }
631 }
632
633 static void show_hw_revision(void)
634 {
635         int board;
636
637         /*
638          * Workaround for Rev 0.3 + CP Ver ES 3.1
639          * it's Rev 0.4
640          */
641         if (board_is_limo_real()) {
642                 if (hwrevision(0)) {
643                         /* default is Rev 0.4 */
644                         board_rev &= ~0xf;
645                         board_rev |= 0x4;
646                 }
647         }
648
649         if (machine_is_aquila())
650                 board = MACH_AQUILA;
651         else if (machine_is_kessler())
652                 board = MACH_KESSLER;
653         else if (cpu_is_s5pc110())
654                 board = gd->bd->bi_arch_number - C110_MACH_START;
655         else
656                 board = gd->bd->bi_arch_number - C100_MACH_START;
657
658         check_board_revision(board, board_rev);
659
660         /* Set CPU Revision */
661         if (machine_is_aquila()) {
662                 if (board_is_limo_real()) {
663                         if ((board_rev & 0xf) < 8)
664                                 s5pc1xx_set_cpu_rev(0);
665                 }
666         } else if (machine_is_kessler())
667                 s5pc1xx_set_cpu_rev(1);
668         else if (machine_is_geminus()) {
669                 if ((board_rev & 0xf) < 1)
670                         s5pc1xx_set_cpu_rev(0);
671         } else if (machine_is_cypress()) {
672                 s5pc1xx_set_cpu_rev(1);
673         } else {
674                 s5pc1xx_set_cpu_rev(0);
675         }
676
677         dprintf("HW Revision:\t%x (%s%s) %s\n",
678                 board_rev, get_board_name(board),
679                 display_features(board, board_rev),
680                 s5pc1xx_get_cpu_rev() ? "" : "EVT0");
681 }
682
683 static void check_auto_burn(void)
684 {
685         unsigned long magic_base = CONFIG_SYS_SDRAM_BASE + 0x02000000;
686         unsigned int count = 0;
687         char buf[64];
688
689         if (readl(magic_base) == 0x426f6f74) {  /* ASICC: Boot */
690                 printf("Auto burning bootloader\n");
691                 count += sprintf(buf + count, "run updateb; ");
692         }
693         if (readl(magic_base + 0x04) == 0x4b65726e) {   /* ASICC: Kern */
694                 printf("Auto burning kernel\n");
695                 count += sprintf(buf + count, "run updatek; ");
696         }
697
698         if (count) {
699                 count += sprintf(buf + count, "reset");
700                 setenv("bootcmd", buf);
701         }
702
703         /* Clear the magic value */
704         writel(0xa5a55a5a, magic_base);
705         writel(0xa5a55a5a, magic_base + 0x4);
706 }
707
708 static void pmic_pin_init(void)
709 {
710         unsigned int reg, value;
711
712         if (cpu_is_s5pc100())
713                 return;
714
715         /* AP_PS_HOLD: XEINT_0: GPH0[0]
716          * Note: Don't use GPIO PS_HOLD it doesn't work
717          */
718         reg = S5PC110_PS_HOLD_CONTROL;
719         value = readl(reg);
720         value |= S5PC110_PS_HOLD_DIR_OUTPUT |
721                 S5PC110_PS_HOLD_DATA_HIGH |
722                 S5PC110_PS_HOLD_OUT_EN;
723         writel(value, reg);
724
725         /* nPOWER: XEINT_22: GPH2[6] interrupt mode */
726         gpio_cfg_pin(&s5pc110_gpio->gpio_h2, 6, GPIO_IRQ);
727         gpio_set_pull(&s5pc110_gpio->gpio_h2, 6, GPIO_PULL_UP);
728 }
729
730 static void enable_ldos(void)
731 {
732         if (cpu_is_s5pc100())
733                 return;
734
735         /* TOUCH_EN: XMMC3DATA_3: GPG3[6] output high */
736         gpio_direction_output(&s5pc110_gpio->gpio_g3, 6, 1);
737 }
738
739 static void enable_t_flash(void)
740 {
741         if (!(board_is_limo_universal() || board_is_limo_real()))
742                 return;
743
744         /* T_FLASH_EN : XM0ADDR_13: MP0_5[4] output high */
745         gpio_direction_output(&s5pc110_gpio->gpio_mp0_5, 4, 1);
746 }
747
748 static void setup_limo_real_gpios(void)
749 {
750         if (!board_is_limo_real())
751                 return;
752
753         /*
754          * Note: Please write GPIO alphabet order
755          */
756         /* CODEC_LDO_EN: XVVSYNC_LDI: GPF3[4] output high */
757         gpio_direction_output(&s5pc110_gpio->gpio_f3, 4, 1);
758
759         if (hwrevision(0))
760                 /* RESET_REQ_N: XM0BEN_1: MP0_2[1] output high */
761                 gpio_direction_output(&s5pc110_gpio->gpio_mp0_2, 1, 1);
762         else
763                 /* RESET_REQ_N: XM0CSn_2: MP0_1[2] output high */
764                 gpio_direction_output(&s5pc110_gpio->gpio_mp0_1, 2, 1);
765
766         /* T_FLASH_DETECT: EINT28: GPH3[4] interrupt mode */
767         gpio_cfg_pin(&s5pc110_gpio->gpio_h3, 4, GPIO_IRQ);
768         gpio_set_pull(&s5pc110_gpio->gpio_h3, 4, GPIO_PULL_UP);
769 }
770
771 static void setup_media_gpios(void)
772 {
773         if (!board_is_media())
774                 return;
775
776         /*
777          * Note: Please write GPIO alphabet order
778          */
779         /* RESET_REQ_N: XM0CSn_2: MP0_1[2] output high */
780         gpio_direction_output(&s5pc110_gpio->gpio_mp0_1, 2, 1);
781
782         /* T_FLASH_DETECT: EINT28: GPH3[4] interrupt mode */
783         gpio_cfg_pin(&s5pc110_gpio->gpio_h3, 4, GPIO_IRQ);
784         gpio_set_pull(&s5pc110_gpio->gpio_h3, 4, GPIO_PULL_UP);
785 }
786
787 #define KBR3            (1 << 3)
788 #define KBR2            (1 << 2)
789 #define KBR1            (1 << 1)
790 #define KBR0            (1 << 0)
791
792 static void check_keypad(void)
793 {
794         unsigned int reg, value;
795         unsigned int col_num, row_num;
796         unsigned int col_mask;
797         unsigned int col_mask_shift;
798         unsigned int row_state[4];
799         unsigned int i;
800         unsigned int auto_download = 0;
801
802         if (machine_is_wmg160())
803                 return;
804
805         if (cpu_is_s5pc100()) {
806                 struct s5pc100_gpio *gpio =
807                         (struct s5pc100_gpio *)S5PC100_GPIO_BASE;
808
809                 row_num = 3;
810                 col_num = 3;
811
812                 /* Set GPH2[2:0] to KP_COL[2:0] */
813                 gpio_cfg_pin(&gpio->gpio_h2, 0, 0x3);
814                 gpio_cfg_pin(&gpio->gpio_h2, 1, 0x3);
815                 gpio_cfg_pin(&gpio->gpio_h2, 2, 0x3);
816
817                 /* Set GPH3[2:0] to KP_ROW[2:0] */
818                 gpio_cfg_pin(&gpio->gpio_h3, 0, 0x3);
819                 gpio_cfg_pin(&gpio->gpio_h3, 1, 0x3);
820                 gpio_cfg_pin(&gpio->gpio_h3, 2, 0x3);
821
822                 reg = S5PC100_KEYPAD_BASE;
823                 col_mask = S5PC1XX_KEYIFCOL_MASK;
824                 col_mask_shift = 0;
825         } else {
826                 if (board_is_limo_real() || board_is_limo_universal()) {
827                         row_num = 2;
828                         col_num = 3;
829                 } else {
830                         row_num = 4;
831                         col_num = 4;
832                 }
833
834                 for (i = 0; i < row_num; i++) {
835                         /* Set GPH3[3:0] to KP_ROW[3:0] */
836                         gpio_cfg_pin(&s5pc110_gpio->gpio_h3, i, 0x3);
837                         gpio_set_pull(&s5pc110_gpio->gpio_h3, i, GPIO_PULL_UP);
838                 }
839
840                 for (i = 0; i < col_num; i++)
841                         /* Set GPH2[3:0] to KP_COL[3:0] */
842                         gpio_cfg_pin(&s5pc110_gpio->gpio_h2, i, 0x3);
843
844                 reg = S5PC110_KEYPAD_BASE;
845                 col_mask = S5PC110_KEYIFCOLEN_MASK;
846                 col_mask_shift = 8;
847         }
848
849         /* KEYIFCOL reg clear */
850         writel(0, reg + S5PC1XX_KEYIFCOL_OFFSET);
851
852         /* key_scan */
853         for (i = 0; i < col_num; i++) {
854                 value = col_mask;
855                 value &= ~(1 << i) << col_mask_shift;
856
857                 writel(value, reg + S5PC1XX_KEYIFCOL_OFFSET);
858                 udelay(1000);
859
860                 value = readl(reg + S5PC1XX_KEYIFROW_OFFSET);
861                 row_state[i] = ~value & ((1 << row_num) - 1);
862                 if (row_state[i])
863                         printf("[%d col] row_state: 0x%x\n", i, row_state[i]);
864         }
865
866         /* KEYIFCOL reg clear */
867         writel(0, reg + S5PC1XX_KEYIFCOL_OFFSET);
868
869         if (machine_is_aquila()) {
870                 /* cam full shot & volume down */
871                 if ((row_state[0] & 0x1) && (row_state[1] & 0x2))
872                         auto_download = 1;
873                 /* volume down */
874                 else if ((row_state[1] & 0x2))
875                         display_info = 1;
876         } else if (machine_is_geminus())
877                 /* volume down & home */
878                 if ((row_state[1] & 0x2) && (row_state[2] & 0x1))
879                         auto_download = 1;
880
881         if (auto_download)
882                 setenv("bootcmd", "usbdown");
883 }
884
885 static void enable_battery(void)
886 {
887         unsigned char val[2];
888         unsigned char addr = 0x36;      /* max17040 fuel gauge */
889
890         i2c_set_bus_num(I2C_GPIO3);
891
892         if (machine_is_aquila()) {
893                 if (board_is_j1b2())
894                         return;
895         } else if (machine_is_kessler())
896                 i2c_set_bus_num(I2C_GPIO7);
897         else if (machine_is_tickertape()) {
898                 return;
899         } else if (machine_is_cypress()) {
900                 i2c_set_bus_num(I2C_GPIO7);
901         } else if (machine_is_geminus()) {
902                 if (hwrevision(1))
903                         i2c_set_bus_num(I2C_GPIO7);
904         }
905
906         if (i2c_probe(addr)) {
907                 printf("Can't found max17040 fuel gauge\n");
908                 return;
909         }
910
911         val[0] = 0x54;
912         val[1] = 0x00;
913         i2c_write(addr, 0xfe, 1, val, 2);
914 }
915
916 static void check_battery(void)
917 {
918         unsigned char val[2];
919         unsigned char addr = 0x36;      /* max17040 fuel gauge */
920
921         i2c_set_bus_num(I2C_GPIO3);
922
923         if (machine_is_aquila()) {
924                 if (board_is_j1b2())
925                         return;
926         } else if (machine_is_kessler())
927                 i2c_set_bus_num(I2C_GPIO7);
928         else if (machine_is_cypress()) {
929                 i2c_set_bus_num(I2C_GPIO7);
930         } else if (machine_is_geminus()) {
931                 if (hwrevision(1))
932                         i2c_set_bus_num(I2C_GPIO7);
933         } else
934                 return;
935
936         if (i2c_probe(addr)) {
937                 printf("Can't found max17040 fuel gauge\n");
938                 return;
939         }
940
941         i2c_read(addr, 0x04, 1, val, 1);
942
943         dprintf("battery:\t%d%%\n", val[0]);
944
945         battery_soc = val[0];
946 }
947
948 static void check_mhl(void)
949 {
950         unsigned char val[2];
951         unsigned char addr = 0x39;      /* SIL9230 */
952
953         /* MHL Power enable */
954         /* HDMI_EN : GPJ2[2] XMSMDATA_2 output mode */
955         gpio_direction_output(&s5pc110_gpio->gpio_j2, 2, 1);
956
957         /* MHL_RST : MP0_4[7] XM0ADDR_7 output mode */
958         gpio_direction_output(&s5pc110_gpio->gpio_mp0_4, 7, 0);
959
960         /* 10ms required after reset */
961         udelay(10000);
962
963         /* output enable */
964         gpio_set_value(&s5pc110_gpio->gpio_mp0_4, 7, 1);
965
966         i2c_set_bus_num(I2C_GPIO5);
967
968         /* set usb path */
969         if (i2c_probe(addr)) {
970                 printf("Can't found MHL Chip\n");
971                 return;
972         }
973
974         /*
975          * System Control #1
976          * set to Normal operation
977          */
978         val[0] = 0x35;
979         i2c_write((0x72 >> 1), 0x08, 1, val, 1);
980         i2c_read((0x72 >> 1), 0x08, 1, val, 1);
981
982         /*
983          * MHL TX Control #1
984          * TERM_MODE [7:6]
985          * 00 = MHL termination ON
986          * 11 = MHL termination OFF
987          */
988         val[0] = 0xd0;
989         i2c_write((0x72 >> 1), 0xa0, 1, val, 1);
990         i2c_read((0x72 >> 1), 0xa0, 1, val, 1);
991 }
992
993 #define CHARGER_ANIMATION_FRAME         6
994 static int max8998_power_key(void)
995 {
996         unsigned char addr, val[2];
997         i2c_set_bus_num(I2C_PMIC);
998         addr = 0xCC >> 1;
999         if (i2c_probe(addr)) {
1000                 printf("Can't found max8998\n");
1001                 return 0;
1002         }
1003
1004         /* Accessing IRQ1 register */
1005         i2c_read(addr, 0x00, 1, val, 1);
1006         if (val[0] & (1 << 6))
1007                 return 1;
1008
1009         return 0;
1010 }
1011
1012 static int max8998_has_ext_power_source(void)
1013 {
1014         unsigned char addr, val[2];
1015         i2c_set_bus_num(I2C_PMIC);
1016         addr = 0xCC >> 1;
1017         if (i2c_probe(addr)) {
1018                 printf("Can't found max8998\n");
1019                 return 0;
1020         }
1021
1022         /* Accessing STATUS2 register */
1023         i2c_read(addr, 0x09, 1, val, 1);
1024         if (val[0] & (1 << 5))
1025                 return 1;
1026
1027         return 0;
1028 }
1029
1030 extern void lcd_display_clear(void);
1031 extern int lcd_display_bitmap(ulong bmp_image, int x, int y);
1032
1033 static void into_charge_mode(void)
1034 {
1035         unsigned char addr = 0xCC >> 1; /* max8998 */;
1036         unsigned char val[2];
1037         unsigned int level;
1038         int i, j;
1039         bmp_image_t *bmp;
1040         unsigned long len;
1041         ulong bmp_addr[CHARGER_ANIMATION_FRAME];
1042
1043         i2c_set_bus_num(I2C_PMIC);
1044
1045         if (i2c_probe(addr)) {
1046                 printf("Can't found max8998\n");
1047                 return;
1048         }
1049
1050         printf("Charge Mode\n");
1051
1052         i2c_read(addr, 0x0C, 1, val, 1);
1053         val[0] &= ~(0x7 << 0);
1054         val[0] &= ~(0x7 << 5);
1055         val[0] |= 5;            /* 600mA */
1056         val[0] |= (3 << 5); /* Stop at 150mA(25%) */
1057         i2c_write(addr, 0x0C, 1, val, 1);
1058
1059 #ifdef CONFIG_S5PC1XXFB
1060         init_font();
1061
1062         /* TODO: write the image-text for the charger */
1063
1064         level = battery_soc * CHARGER_ANIMATION_FRAME / 100;
1065         if (level >= CHARGER_ANIMATION_FRAME)
1066                 level = CHARGER_ANIMATION_FRAME - 1;
1067
1068         for (i = 0; i < CHARGER_ANIMATION_FRAME; i++)
1069                 bmp_addr[i] = (ulong)battery_charging_animation[i];
1070
1071         lcd_display_clear();
1072         for (i = 0; i < 3; i++) {
1073                 for (j = level; j < CHARGER_ANIMATION_FRAME; j++) {
1074                         int k;
1075
1076                         bmp = gunzip_bmp(bmp_addr[j], &len);
1077                         lcd_display_bitmap((ulong) bmp, 140, 202);
1078                         free(bmp);
1079
1080                         for (k = 0; k < 10; k++)
1081                                 if (max8998_power_key()) {
1082                                         lcd_display_clear();
1083                                         return;
1084                                 } else if (!max8998_has_ext_power_source()) {
1085                                         lcd_display_clear();
1086                                         return;
1087                                 } else
1088                                         udelay(100 * 1000);
1089                 }
1090         }
1091         exit_font();
1092 #endif
1093
1094         /* EVT0: sleep 1, EVT1: sleep */
1095         if (s5pc1xx_get_cpu_rev() == 0) {
1096                 run_command("sleep 1", 0);
1097                 return;
1098         }
1099
1100         run_command("sleep", 0);
1101 }
1102
1103 static void check_micro_usb(int intr)
1104 {
1105         unsigned char addr;
1106         unsigned char val[2];
1107         static int started_charging_once = 0;
1108         char *path;
1109
1110         if (cpu_is_s5pc100())
1111                 return;
1112
1113         if (board_is_limo_real()) {
1114                 if (hwrevision(0) || hwrevision(1))
1115                         return;
1116         }
1117
1118         i2c_set_bus_num(I2C_PMIC);
1119
1120         if (machine_is_kessler())
1121                 i2c_set_bus_num(I2C_GPIO6);
1122         else if (machine_is_cypress()) {
1123                 i2c_set_bus_num(I2C_GPIO6);
1124         } else if (machine_is_geminus()) {
1125                 if (hwrevision(1))
1126                         i2c_set_bus_num(I2C_GPIO6);
1127         } else if (machine_is_wmg160())
1128                 i2c_set_bus_num(I2C_GPIO6);
1129
1130         addr = 0x25;            /* fsa9480 */
1131         if (i2c_probe(addr)) {
1132                 printf("Can't found fsa9480\n");
1133                 return;
1134         }
1135
1136         /* Clear Interrupt */
1137         if (intr) {
1138                 i2c_read(addr, 0x03, 1, val, 2);
1139                 udelay(500 * 1000);
1140         }
1141
1142         /* Read Device Type 1 */
1143         i2c_read(addr, 0x0a, 1, val, 1);
1144
1145 #define FSA_DEV1_CHARGER        (1 << 6)
1146 #define FSA_DEV1_UART           (1 << 3)
1147 #define FSA_DEV1_USB            (1 << 2)
1148 #define FSA_DEV2_JIG_USB_OFF    (1 << 1)
1149 #define FSA_DEV2_JIG_USB_ON     (1 << 0)
1150
1151         /*
1152          * If USB, use default 475mA
1153          * If Charger, use 600mA and go to charge mode
1154          */
1155         if ((val[0] & FSA_DEV1_CHARGER) && !started_charging_once) {
1156                 started_charging_once = 1;
1157                 into_charge_mode();
1158         }
1159
1160         /* If Factory Mode is Boot ON-USB, go to download mode */
1161         i2c_read(addr, 0x07, 1, val, 1);
1162
1163 #define FSA_ADC_FAC_USB_OFF     0x18
1164 #define FSA_ADC_FAC_USB_ON      0x19
1165 #define FSA_ADC_FAC_UART        0x1d
1166
1167         if (val[0] == FSA_ADC_FAC_USB_ON || val[0] == FSA_ADC_FAC_USB_OFF)
1168                 setenv("bootcmd", "usbdown");
1169
1170         path = getenv("usb");
1171
1172         if (!strncmp(path, "cp", 2))
1173                 run_command("microusb cp", 0);
1174 }
1175
1176 static void micro_usb_switch(int path)
1177 {
1178         unsigned char addr;
1179         unsigned char val[2];
1180
1181         i2c_set_bus_num(I2C_PMIC);
1182
1183         if (machine_is_kessler())
1184                 i2c_set_bus_num(I2C_GPIO6);
1185         else if (machine_is_cypress()) {
1186                 i2c_set_bus_num(I2C_GPIO6);
1187         } else if (machine_is_geminus()) {
1188                 if (hwrevision(1))
1189                         i2c_set_bus_num(I2C_GPIO6);
1190         } else if (machine_is_wmg160()) {
1191                 i2c_set_bus_num(I2C_GPIO6);
1192                 return;
1193         }
1194
1195         addr = 0x25;            /* fsa9480 */
1196         if (i2c_probe(addr)) {
1197                 printf("Can't found fsa9480\n");
1198                 return;
1199         }
1200
1201         if (path)
1202                 val[0] = 0x90;  /* VAUDIO */
1203         else
1204                 val[0] = (1 << 5) | (1 << 2);   /* DHOST */
1205
1206         i2c_write(addr, 0x13, 1, val, 1);       /* MANSW1 */
1207
1208         i2c_read(addr, 0x2, 1, val, 1);
1209         val[0] &= ~(1 << 2);                    /* Manual switching */
1210         i2c_write(addr, 0x2, 1, val, 1);
1211 }
1212
1213 #define MAX8998_REG_ONOFF1      0x11
1214 #define MAX8998_REG_ONOFF2      0x12
1215 #define MAX8998_REG_ONOFF3      0x13
1216 #define MAX8998_REG_LDO7        0x21
1217 #define MAX8998_REG_LDO17       0x29
1218 /* ONOFF1 */
1219 #define MAX8998_LDO3            (1 << 2)
1220 /* ONOFF2 */
1221 #define MAX8998_LDO6            (1 << 7)
1222 #define MAX8998_LDO7            (1 << 6)
1223 #define MAX8998_LDO8            (1 << 5)
1224 #define MAX8998_LDO9            (1 << 4)
1225 #define MAX8998_LDO10           (1 << 3)
1226 #define MAX8998_LDO11           (1 << 2)
1227 #define MAX8998_LDO12           (1 << 1)
1228 #define MAX8998_LDO13           (1 << 0)
1229 /* ONOFF3 */
1230 #define MAX8998_LDO14           (1 << 7)
1231 #define MAX8998_LDO15           (1 << 6)
1232 #define MAX8998_LDO16           (1 << 5)
1233 #define MAX8998_LDO17           (1 << 4)
1234
1235
1236 static void init_pmic(void)
1237 {
1238         unsigned char addr;
1239         unsigned char val[2];
1240
1241         if (cpu_is_s5pc100())
1242                 return;
1243
1244         i2c_set_bus_num(I2C_PMIC);
1245
1246         addr = 0xCC >> 1;       /* max8998 */
1247         if (i2c_probe(addr)) {
1248                 if (i2c_probe(addr)) {
1249                         printf("Can't found max8998\n");
1250                         return;
1251                 }
1252         }
1253
1254         /* ONOFF1 */
1255         i2c_read(addr, MAX8998_REG_ONOFF1, 1, val, 1);
1256         val[0] &= ~MAX8998_LDO3;
1257         i2c_write(addr, MAX8998_REG_ONOFF1, 1, val, 1);
1258
1259         /* ONOFF2 */
1260         i2c_read(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1261         /*
1262          * Disable LDO10(VPLL_1.1V), LDO11(CAM_IO_2.8V),
1263          * LDO12(CAM_ISP_1.2V), LDO13(CAM_A_2.8V)
1264          */
1265         val[0] &= ~(MAX8998_LDO10 | MAX8998_LDO11 |
1266                         MAX8998_LDO12 | MAX8998_LDO13);
1267
1268         if (machine_is_kessler())
1269                 val[0] |= MAX8998_LDO7;         /* LDO7: VLCD_1.8V */
1270
1271         i2c_write(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1272         i2c_read(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1273         /* ONOFF3 */
1274         i2c_read(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1275         /*
1276          * Disable LDO14(CAM_CIF_1.8), LDO15(CAM_AF_3.3V),
1277          * LDO16(VMIPI_1.8V), LDO17(CAM_8M_1.8V)
1278          */
1279         val[0] &= ~(MAX8998_LDO14 | MAX8998_LDO15 |
1280                         MAX8998_LDO16 | MAX8998_LDO17);
1281
1282         if (machine_is_kessler())
1283                 val[0] |= MAX8998_LDO17;        /* LDO17: VCC_3.0V_LCD */
1284
1285         i2c_write(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1286         i2c_read(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1287 }
1288
1289 static void setup_power_down_mode_registers(void)
1290 {
1291         struct s5pc110_gpio *gpio = (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
1292         struct s5pc1xx_gpio_bank *bank;
1293         struct gpio_powermode *p;
1294         int n_p;
1295         struct gpio_external *ge;
1296         int n_ge;
1297         struct s5pc1xx_gpio_item *mr;
1298         int n_mr;
1299         int i;
1300
1301         if (cpu_is_s5pc100())
1302                 return;
1303
1304         /* Only Limo real and kessler supports worked for sleep currnet */
1305         if (machine_is_aquila()) {
1306                 if (board_is_limo_real())
1307                         /* Support */;
1308                 else
1309                         return;
1310         } else if (machine_is_kessler()) {
1311                 /* Support */;
1312         } else if (machine_is_geminus()) {
1313                 /* Support */;
1314         } else
1315                 return;
1316
1317         if (machine_is_aquila()) {
1318                 /* Aquila rev 0.8 or lower */
1319                 p = aquila_powerdown_modes;
1320                 ge = aquila_external_powerdown_modes;
1321                 mr = aquila_mirror_powerdown_mode;
1322                 n_p = ARRAY_SIZE(aquila_powerdown_modes);
1323                 n_ge = ARRAY_SIZE(aquila_external_powerdown_modes);
1324                 n_mr = ARRAY_SIZE(aquila_mirror_powerdown_mode);
1325         } else if (machine_is_kessler()) {
1326                 /* Aquila rev 0.9 */
1327                 p = kessler_powerdown_modes;
1328                 ge = kessler_external_powerdown_modes;
1329                 mr = kessler_mirror_powerdown_mode;
1330                 n_p = ARRAY_SIZE(kessler_powerdown_modes);
1331                 n_ge = ARRAY_SIZE(kessler_external_powerdown_modes);
1332                 n_mr = ARRAY_SIZE(kessler_mirror_powerdown_mode);
1333         } else if (machine_is_geminus()) {
1334                 if (hwrevision(1)) {
1335                         /* Same as Aquila rev 0.9 */
1336 #if 0
1337                         p = kessler_powerdown_modes;
1338                         ge = kessler_external_powerdown_modes;
1339                         mr = kessler_mirror_powerdown_mode;
1340                         n_p = ARRAY_SIZE(kessler_powerdown_modes);
1341                         n_ge = ARRAY_SIZE(kessler_external_powerdown_modes);
1342                         n_mr = ARRAY_SIZE(kessler_mirror_powerdown_mode);
1343 #else
1344                         p = aquila_powerdown_modes;
1345                         ge = aquila_external_powerdown_modes;
1346                         mr = aquila_mirror_powerdown_mode;
1347                         n_p = ARRAY_SIZE(aquila_powerdown_modes);
1348                         n_ge = ARRAY_SIZE(aquila_external_powerdown_modes);
1349                         n_mr = ARRAY_SIZE(aquila_mirror_powerdown_mode);
1350 #endif
1351                 } else if (hwrevision(0)) {
1352                         /* Same as Aquila rev 0.8 or lower */
1353                         p = aquila_powerdown_modes;
1354                         ge = aquila_external_powerdown_modes;
1355                         mr = aquila_mirror_powerdown_mode;
1356                         n_p = ARRAY_SIZE(aquila_powerdown_modes);
1357                         n_ge = ARRAY_SIZE(aquila_external_powerdown_modes);
1358                         n_mr = ARRAY_SIZE(aquila_mirror_powerdown_mode);
1359                 } else {
1360                         return; /* Not supported */
1361                 }
1362         }
1363
1364         bank = &gpio->gpio_a0;
1365
1366         for (i = 0; i < n_p; i++, p++, bank++) {
1367                 writel(p->conpdn, &bank->pdn_con);
1368                 writel(p->pudpdn, &bank->pdn_pull);
1369         }
1370         /* M299 */
1371         writel(0xff0022b0, (unsigned int *)0xF0000000);
1372         writel(0xff0022b0, (unsigned int *)0xF1400000);
1373
1374         bank = &gpio->gpio_h0;
1375
1376         for (i = 0; i < n_ge; i++) {
1377                 writel(ge->con, &bank->con);
1378                 writel(ge->dat, &bank->dat);
1379                 writel(ge->pud, &bank->pull);
1380
1381                 bank++;
1382                 ge++;
1383         }
1384
1385         for (i = 0; i < n_mr; i++) {
1386                 unsigned int reg = readl(&mr->bank->pdn_con);
1387                 reg &= ~(1 << mr->number);
1388                 if (readl(&mr->bank->dat) & (1 << mr->number))
1389                         reg |= 1 << mr->number;
1390                 writel(reg, &mr->bank->pdn_con);
1391
1392                 printf("[%8.8X] = %8.8X\n", (unsigned int) (&mr->bank->pdn_con), reg);
1393
1394                 mr++;
1395         }
1396 }
1397
1398 #ifdef CONFIG_LCD
1399 #include "../../../drivers/video/s5p-spi.h"
1400
1401 extern void s6e63m0_set_platform_data(struct spi_platform_data *pd);
1402 extern void s6d16a0x_set_platform_data(struct spi_platform_data *pd);
1403
1404 struct spi_platform_data spi_pd;
1405
1406 struct s5pc110_gpio *gpio_base = (struct s5pc110_gpio *) S5PC110_GPIO_BASE;
1407
1408 void lcd_cfg_gpio(void)
1409 {
1410         unsigned int i, f3_end = 4;
1411
1412         for (i = 0; i < 8; i++) {
1413                 /* set GPF0,1,2[0:7] for RGB Interface and Data lines (32bit) */
1414                 gpio_cfg_pin(&gpio_base->gpio_f0, i, GPIO_FUNC(2));
1415                 gpio_cfg_pin(&gpio_base->gpio_f1, i, GPIO_FUNC(2));
1416                 gpio_cfg_pin(&gpio_base->gpio_f2, i, GPIO_FUNC(2));
1417                 /* pull-up/down disable */
1418                 gpio_set_pull(&gpio_base->gpio_f0, i, GPIO_PULL_NONE);
1419                 gpio_set_pull(&gpio_base->gpio_f1, i, GPIO_PULL_NONE);
1420                 gpio_set_pull(&gpio_base->gpio_f2, i, GPIO_PULL_NONE);
1421
1422                 /* drive strength to max (24bit) */
1423                 gpio_set_drv(&gpio_base->gpio_f0, i, GPIO_DRV_4x);
1424                 gpio_set_rate(&gpio_base->gpio_f0, i, GPIO_DRV_SLOW);
1425                 gpio_set_drv(&gpio_base->gpio_f1, i, GPIO_DRV_4x);
1426                 gpio_set_rate(&gpio_base->gpio_f1, i, GPIO_DRV_SLOW);
1427                 gpio_set_drv(&gpio_base->gpio_f2, i, GPIO_DRV_4x);
1428                 gpio_set_rate(&gpio_base->gpio_f2, i, GPIO_DRV_SLOW);
1429         }
1430
1431         /* set DISPLAY_DE_B pin for dual rgb mode. */
1432         if (board_is_media())
1433                 f3_end = 5;
1434
1435         for (i = 0; i < f3_end; i++) {
1436                 /* set GPF3[0:3] for RGB Interface and Data lines (32bit) */
1437                 gpio_cfg_pin(&gpio_base->gpio_f3, i, GPIO_PULL_UP);
1438                 /* pull-up/down disable */
1439                 gpio_set_pull(&gpio_base->gpio_f3, i, GPIO_PULL_NONE);
1440                 /* drive strength to max (24bit) */
1441                 gpio_set_drv(&gpio_base->gpio_f3, i, GPIO_DRV_4x);
1442                 gpio_set_rate(&gpio_base->gpio_f3, i, GPIO_DRV_SLOW);
1443         }
1444         /* display output path selection (only [1:0] valid) */
1445         writel(0x2, 0xE0107008);
1446
1447         /* gpio pad configuration for LCD reset. */
1448         gpio_cfg_pin(&gpio_base->gpio_mp0_5, 5, GPIO_OUTPUT);
1449
1450         /* gpio pad configuration for LCD ON. */
1451         gpio_cfg_pin(&gpio_base->gpio_j1, 3, GPIO_OUTPUT);
1452
1453         /* LCD_BACKLIGHT_EN */
1454         if (machine_is_geminus())
1455                 gpio_cfg_pin(&gpio_base->gpio_mp0_5, 0, GPIO_OUTPUT);
1456
1457         /*
1458          * gpio pad configuration for
1459          * DISPLAY_CS, DISPLAY_CLK, DISPLAY_SO, DISPLAY_SI.
1460          */
1461         gpio_cfg_pin(&gpio_base->gpio_mp0_1, 1, GPIO_OUTPUT);
1462         gpio_cfg_pin(&gpio_base->gpio_mp0_4, 1, GPIO_OUTPUT);
1463         gpio_cfg_pin(&gpio_base->gpio_mp0_4, 2, GPIO_INPUT);
1464         gpio_cfg_pin(&gpio_base->gpio_mp0_4, 3, GPIO_OUTPUT);
1465
1466         if (machine_is_aquila()) {
1467                 spi_pd.cs_bank = &gpio_base->gpio_mp0_1;
1468                 spi_pd.cs_num = 1;
1469                 spi_pd.clk_bank = &gpio_base->gpio_mp0_4;
1470                 spi_pd.clk_num = 1;
1471                 spi_pd.si_bank = &gpio_base->gpio_mp0_4;
1472                 spi_pd.si_num = 3;
1473                 spi_pd.so_bank = &gpio_base->gpio_mp0_4;
1474                 spi_pd.so_num = 2;
1475
1476                 if (board_is_neptune())
1477                         s6d16a0x_set_platform_data(&spi_pd);
1478                 else {
1479                         s6e63m0_set_platform_data(&spi_pd);
1480                         if (board_is_media())
1481                                 spi_pd.set_rev = 1;
1482                 }
1483         }
1484
1485         if (machine_is_cypress()) {
1486 #if 0           /* universal cypress */
1487                 /* FLCD_CS */
1488                 gpio_cfg_pin(&gpio_base->gpio_mp0_1, 0, GPIO_OUTPUT);
1489 #endif
1490                 /* FLCD_CS_S */
1491                 gpio_cfg_pin(&gpio_base->gpio_mp0_5, 1, GPIO_OUTPUT);
1492                 /* FLCD_CLK */
1493                 gpio_cfg_pin(&gpio_base->gpio_mp0_4, 0, GPIO_OUTPUT);
1494                 /* FLCD_SDI */
1495                 gpio_cfg_pin(&gpio_base->gpio_mp0_4, 2, GPIO_OUTPUT);
1496                 /* FLCD_RST_S */
1497                 gpio_cfg_pin(&gpio_base->gpio_mp0_4, 5, GPIO_OUTPUT);
1498                 /* FLCD_ON_S */
1499                 gpio_cfg_pin(&gpio_base->gpio_g2, 2, GPIO_OUTPUT);
1500 #if 0           /* universal cypress */
1501                 pd_cs.bank = &gpio_base->gpio_mp0_1;
1502                 pd_cs.num = 0;
1503 #endif
1504                 spi_pd.cs_bank = &gpio_base->gpio_mp0_5;
1505                 spi_pd.cs_num = 1;
1506                 spi_pd.clk_bank = &gpio_base->gpio_mp0_4;
1507                 spi_pd.clk_num = 0;
1508                 spi_pd.si_bank = &gpio_base->gpio_mp0_4;
1509                 spi_pd.si_num = 2;
1510
1511                 spi_pd.set_rev = 1;
1512
1513                 /* these data would be sent to s6e63m0 lcd panel driver. */
1514                 s6e63m0_set_platform_data(&spi_pd);
1515         }
1516
1517         return;
1518 }
1519
1520 void backlight_on(unsigned int onoff)
1521 {
1522         struct s5pc110_gpio *gpio = (struct s5pc110_gpio *) S5PC110_GPIO_BASE;
1523
1524         if (onoff) {
1525                 if (machine_is_geminus())
1526                         gpio_set_value(&gpio->gpio_mp0_5, 0, 1);
1527         } else {
1528                 if (machine_is_geminus())
1529                         gpio_set_value(&gpio->gpio_mp0_5, 0, 0);
1530         }
1531 }
1532
1533 void reset_lcd(void)
1534 {
1535         struct s5pc110_gpio *gpio = (struct s5pc110_gpio *) S5PC110_GPIO_BASE;
1536
1537         if (machine_is_aquila() || machine_is_geminus())
1538                 gpio_set_value(&gpio->gpio_mp0_5, 5, 1);
1539         if (machine_is_cypress())
1540                 gpio_set_value(&gpio->gpio_mp0_4, 5, 1);
1541 }
1542
1543 void lcd_power_on(unsigned int onoff)
1544 {
1545         struct s5pc110_gpio *gpio = (struct s5pc110_gpio *) S5PC110_GPIO_BASE;
1546         if (onoff) {
1547                 /* TSP_LDO_ON */
1548                 if (machine_is_aquila() || machine_is_geminus())
1549                         gpio_set_value(&gpio->gpio_j1, 3, 1);
1550
1551                 if (machine_is_cypress())
1552                         gpio_set_value(&gpio->gpio_g2, 2, 1);
1553
1554                 if (machine_is_kessler()) {
1555                         unsigned char addr;
1556                         unsigned char val[2];
1557                         unsigned char val2[2];
1558
1559                         i2c_set_bus_num(I2C_PMIC);
1560                         addr = 0xCC >> 1;       /* max8998 */
1561                         if (i2c_probe(addr)) {
1562                                 printf("Can't found max8998\n");
1563                                 return;
1564                         }
1565                         i2c_read(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1566                         val[0] &= ~(MAX8998_LDO17);
1567                         val[0] |= MAX8998_LDO17;        /* LDO17: VCC_3.0V_LCD */
1568                         i2c_write(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1569
1570                         i2c_read(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1571                         val[0] |= MAX8998_LDO17;
1572                         val2[0] = 0xE;
1573                         i2c_write(addr, MAX8998_REG_LDO17, 1, val2, 1);
1574                         i2c_write(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1575
1576                         i2c_read(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1577                         val[0] |= MAX8998_LDO7;
1578                         val2[0] = 0x2;
1579                         i2c_write(addr, MAX8998_REG_LDO7, 1, val2, 1);
1580                         i2c_write(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1581                 }
1582         } else {
1583                 if (machine_is_aquila() || machine_is_geminus())
1584                         gpio_set_value(&gpio->gpio_j1, 3, 0);
1585
1586                 if (machine_is_cypress())
1587                         gpio_set_value(&gpio->gpio_g2, 2, 0);
1588
1589                 if (machine_is_kessler()) {
1590                         unsigned char addr;
1591                         unsigned char val[2];
1592
1593                         i2c_set_bus_num(I2C_PMIC);
1594                         addr = 0xCC >> 1;       /* max8998 */
1595                         if (i2c_probe(addr)) {
1596                                 printf("Can't found max8998\n");
1597                                 return;
1598                         }
1599
1600                         i2c_read(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1601                         val[0] &= ~(1 << 7);
1602                         i2c_write(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1603                         i2c_read(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1604
1605                         i2c_read(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1606                         val[0] &= ~MAX8998_LDO17;
1607                         i2c_write(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1608                         i2c_read(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1609                 }
1610         }
1611 }
1612
1613 extern void s6e63m0_cfg_ldo(void);
1614 extern void s6e63m0_enable_ldo(unsigned int onoff);
1615 extern void s6d16a0x_cfg_ldo(void);
1616 extern void s6d16a0x_enable_ldo(unsigned int onoff);
1617
1618 int s5p_no_lcd_support(void)
1619 {
1620         if (machine_is_wmg160())
1621                 return 1;
1622         return 0;
1623 }
1624
1625 void init_panel_info(vidinfo_t *vid)
1626 {
1627         vid->cfg_gpio = NULL;
1628         vid->reset_lcd = NULL;
1629         vid->backlight_on = NULL;
1630         vid->lcd_power_on = NULL;
1631
1632         vid->cfg_ldo = NULL;
1633         vid->enable_ldo = NULL;
1634
1635         vid->init_delay = 0;
1636         vid->reset_delay = 0;
1637         vid->power_on_delay = 0;
1638
1639         vid->vl_freq    = 60;
1640         vid->vl_col     = 480;
1641         vid->vl_row     = 800;
1642         vid->vl_width   = 480;
1643         vid->vl_height  = 800;
1644
1645         vid->dual_lcd_enabled = 0;
1646
1647         if (board_is_media()) {
1648                 vid->vl_col     = 960;
1649                 vid->vl_row     = 800;
1650                 vid->vl_width   = 960;
1651                 vid->vl_height  = 800;
1652
1653                 /* enable dual lcd mode. */
1654                 vid->dual_lcd_enabled = 1;
1655         }
1656
1657         vid->vl_clkp    = CONFIG_SYS_HIGH;
1658         vid->vl_hsp     = CONFIG_SYS_LOW;
1659         vid->vl_vsp     = CONFIG_SYS_LOW;
1660         vid->vl_dp      = CONFIG_SYS_HIGH;
1661         vid->vl_bpix    = 32;
1662
1663         /* S6E63M0 LCD Panel */
1664         vid->vl_hspw    = 2;
1665         vid->vl_hbpd    = 16;
1666         vid->vl_hfpd    = 16;
1667
1668         vid->vl_vspw    = 2;
1669         vid->vl_vbpd    = 3;
1670         vid->vl_vfpd    = 28;
1671
1672         if (machine_is_aquila() || machine_is_cypress()) {
1673                 vid->cfg_gpio = lcd_cfg_gpio;
1674                 vid->reset_lcd = reset_lcd;
1675                 vid->backlight_on = backlight_on;
1676                 vid->lcd_power_on = lcd_power_on;
1677                 vid->cfg_ldo = s6e63m0_cfg_ldo;
1678                 vid->enable_ldo = s6e63m0_enable_ldo;
1679
1680                 vid->init_delay = 25000;
1681                 vid->reset_delay = 120000;
1682         }
1683
1684         if (board_is_neptune()) {
1685                 vid->vl_freq    = 100;
1686                 vid->vl_col     = 320;
1687                 vid->vl_row     = 480;
1688                 vid->vl_width   = 320;
1689                 vid->vl_height  = 480;
1690
1691                 vid->vl_clkp    = CONFIG_SYS_HIGH;
1692                 vid->vl_hsp     = CONFIG_SYS_HIGH;
1693                 vid->vl_vsp     = CONFIG_SYS_HIGH;
1694                 vid->vl_dp      = CONFIG_SYS_LOW;
1695                 vid->vl_bpix    = 32;
1696
1697                 /* disable dual lcd mode. */
1698                 vid->dual_lcd_enabled = 0;
1699
1700                 /* S6D16A0X LCD Panel */
1701                 vid->vl_hspw    = 16;
1702                 vid->vl_hbpd    = 24;
1703                 vid->vl_hfpd    = 16;
1704
1705                 vid->vl_vspw    = 2;
1706                 vid->vl_vbpd    = 2;
1707                 vid->vl_vfpd    = 4;
1708
1709                 vid->cfg_gpio = lcd_cfg_gpio;
1710                 vid->backlight_on = NULL;
1711                 vid->lcd_power_on = lcd_power_on;
1712                 vid->reset_lcd = reset_lcd;
1713                 vid->cfg_ldo = s6d16a0x_cfg_ldo;
1714                 vid->enable_ldo = s6d16a0x_enable_ldo;
1715
1716                 vid->init_delay = 10000;
1717                 vid->power_on_delay = 10000;
1718                 vid->reset_delay = 1000;
1719
1720         }
1721
1722         if (machine_is_geminus()) {
1723                 vid->vl_freq    = 60;
1724                 vid->vl_col     = 1024,
1725                 vid->vl_row     = 600,
1726                 vid->vl_width   = 1024,
1727                 vid->vl_height  = 600,
1728                 vid->vl_clkp    = CONFIG_SYS_LOW,
1729                 vid->vl_hsp     = CONFIG_SYS_HIGH,
1730                 vid->vl_vsp     = CONFIG_SYS_HIGH,
1731                 vid->vl_dp      = CONFIG_SYS_LOW,
1732                 vid->vl_bpix    = 32,
1733
1734                 vid->vl_hspw    = 32,
1735                 vid->vl_hfpd    = 48,
1736                 vid->vl_hbpd    = 80,
1737
1738                 vid->vl_vspw    = 1,
1739                 vid->vl_vfpd    = 3,
1740                 vid->vl_vbpd    = 4,
1741
1742                 vid->cfg_gpio = lcd_cfg_gpio;
1743                 vid->reset_lcd = reset_lcd;
1744                 vid->backlight_on = backlight_on;
1745                 vid->lcd_power_on = lcd_power_on;
1746         }
1747 #if 0
1748         vid->vl_freq    = 60;
1749         vid->vl_col     = 480,
1750         vid->vl_row     = 800,
1751         vid->vl_width   = 480,
1752         vid->vl_height  = 800,
1753         vid->vl_clkp    = CONFIG_SYS_HIGH,
1754         vid->vl_hsp     = CONFIG_SYS_LOW,
1755         vid->vl_vsp     = CONFIG_SYS_LOW,
1756         vid->vl_dp      = CONFIG_SYS_HIGH,
1757         vid->vl_bpix    = 32,
1758
1759         /* tl2796 panel. */
1760         vid->vl_hpw     = 4,
1761         vid->vl_blw     = 8,
1762         vid->vl_elw     = 8,
1763
1764         vid->vl_vpw     = 4,
1765         vid->vl_bfw     = 8,
1766         vid->vl_efw     = 8,
1767 #endif
1768 #if 0
1769         vid->vl_freq    = 60;
1770         vid->vl_col     = 1024,
1771         vid->vl_row     = 600,
1772         vid->vl_width   = 1024,
1773         vid->vl_height  = 600,
1774         vid->vl_clkp    = CONFIG_SYS_HIGH,
1775         vid->vl_hsp     = CONFIG_SYS_HIGH,
1776         vid->vl_vsp     = CONFIG_SYS_HIGH,
1777         vid->vl_dp      = CONFIG_SYS_LOW,
1778         vid->vl_bpix    = 32,
1779
1780         /* AMS701KA AMOLED Panel. */
1781         vid->vl_hpw     = 30,
1782         vid->vl_blw     = 114,
1783         vid->vl_elw     = 48,
1784
1785         vid->vl_vpw     = 2,
1786         vid->vl_bfw     = 6,
1787         vid->vl_efw     = 8,
1788 #endif
1789 }
1790 #endif
1791
1792 static void setup_meminfo(void)
1793 {
1794         char meminfo[64] = {0, };
1795         int count = 0, size, real;
1796
1797         size = gd->bd->bi_dram[0].size >> 20;
1798         count += sprintf(meminfo + count, "mem=%dM", size);
1799
1800         /* Each Chip Select can't exceed the 256MiB */
1801         size = gd->bd->bi_dram[1].size >> 20;
1802         real = min(size, 256);
1803         count += sprintf(meminfo + count, " mem=%dM@0x%x",
1804                 real, (unsigned int)gd->bd->bi_dram[1].start);
1805
1806         size -= real;
1807         if (size > 0) {
1808                 count += sprintf(meminfo + count, " mem=%dM@0x%x", size,
1809                         (unsigned int)gd->bd->bi_dram[1].start + (real << 20));
1810         }
1811
1812         setenv("meminfo", meminfo);
1813 }
1814
1815 int misc_init_r(void)
1816 {
1817 #ifdef CONFIG_LCD
1818         /* It should be located at first */
1819         lcd_is_enabled = 0;
1820
1821         if (machine_is_aquila()) {
1822                 if (board_is_neptune())
1823                         setenv("lcdinfo", "lcd=s6d16a0x");
1824                 else if (board_is_media())
1825                         setenv("lcdinfo", "lcd=s6e63m0");
1826                 else
1827                         setenv("lcdinfo", "lcd=s6e63m0");
1828         }
1829         if (machine_is_geminus())
1830                 setenv("lcdinfo", "lcd=lms480jc01");
1831         if (machine_is_cypress())
1832                 setenv("lcdinfo", "lcd=s6e63m0");
1833 #endif
1834         setup_meminfo();
1835
1836         show_hw_revision();
1837
1838         /* Set proper PMIC pins */
1839         pmic_pin_init();
1840
1841         /* Check auto burning */
1842         check_auto_burn();
1843
1844         /* To power up I2C2 */
1845         enable_ldos();
1846
1847         /* Enable T-Flash at Limo Real or Limo Universal */
1848         enable_t_flash();
1849
1850         /* Setup Limo Real board GPIOs */
1851         setup_limo_real_gpios();
1852
1853         /* Setup Media board GPIOs */
1854         setup_media_gpios();
1855
1856         /* To usbdown automatically */
1857         check_keypad();
1858
1859         /* check max8998 */
1860         init_pmic();
1861
1862 #ifdef CONFIG_S5PC1XXFB
1863         display_device_info();
1864 #endif
1865
1866         setup_power_down_mode_registers();
1867
1868         /* check max17040 */
1869         check_battery();
1870
1871         /* check fsa9480 */
1872         check_micro_usb(0);
1873
1874         return 0;
1875 }
1876 #endif
1877
1878 int board_init(void)
1879 {
1880         /* Set Initial global variables */
1881         s5pc110_gpio = (struct s5pc110_gpio *) S5PC110_GPIO_BASE;
1882
1883         gd->bd->bi_arch_number = MACH_AQUILA;
1884         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
1885
1886         /* Check H/W Revision */
1887         check_hw_revision();
1888
1889         return 0;
1890 }
1891
1892 int dram_init(void)
1893 {
1894         unsigned int base, memconfig0, size;
1895         unsigned int memconfig1, sz = 0;
1896
1897         if (cpu_is_s5pc100()) {
1898                 /* In mem setup, we swap the bank. So below size is correct */
1899                 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
1900                 gd->bd->bi_dram[0].size = PHYS_SDRAM_2_SIZE;
1901                 gd->bd->bi_dram[1].start = S5PC100_PHYS_SDRAM_2;
1902                 size = 128;
1903         } else {
1904                 /* In S5PC110, we can't swap the DMC0/1 */
1905                 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
1906                 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
1907
1908                 base = S5PC110_DMC1_BASE;
1909                 /* DMC configuration */
1910                 memconfig0 = readl(base + MEMCONFIG0_OFFSET);
1911                 gd->bd->bi_dram[1].start = memconfig0 & 0xFF000000;
1912
1913                 size = (memconfig0 >> 16) & 0xFF;
1914                 size = ((unsigned char) ~size) + 1;
1915
1916                 /*
1917                  * (0x07 + 1) * 16 = 128 MiB
1918                  * (0x0f + 1) * 16 = 256 MiB
1919                  */
1920                 size = size << 4;
1921
1922                 /*
1923                  * Aquila Rev0.5 4G3G1G
1924                  * Aquila Rev0.8 4G3G1G
1925                  * Aquila Rev0.9 4G3G1G
1926                  */
1927                 if (machine_is_aquila() &&
1928                     (hwrevision(5) || hwrevision(8) || hwrevision(9))) {
1929                         memconfig1 = readl(base + MEMCONFIG1_OFFSET);
1930
1931                         sz = (memconfig1 >> 16) & 0xFF;
1932                         sz = ((unsigned char) ~sz) + 1;
1933                         sz = sz << 4;
1934                 }
1935
1936         }
1937         /*
1938          * bi_dram[1].size contains all DMC1 memory size
1939          */
1940         gd->bd->bi_dram[1].size = (size + sz) << 20;
1941
1942         return 0;
1943 }
1944
1945 /* Used for sleep test */
1946 static unsigned char saved_val[4][2];
1947 void board_sleep_init_late(void)
1948 {
1949         /* CODEC_LDO_EN: GPF3[4] */
1950         gpio_direction_output(&s5pc110_gpio->gpio_f3, 4, 0);
1951         /* CODEC_XTAL_EN: GPH3[2] */
1952         gpio_direction_output(&s5pc110_gpio->gpio_h3, 2, 0);
1953
1954         /* MMC T_FLASH off */
1955         gpio_direction_output(&s5pc110_gpio->gpio_mp0_5, 4, 0);
1956         /* MHL off */
1957         gpio_direction_output(&s5pc110_gpio->gpio_j2, 2, 0);
1958         gpio_direction_output(&s5pc110_gpio->gpio_mp0_4, 7, 0);
1959         gpio_direction_output(&s5pc110_gpio->gpio_j2, 3, 0); /* MHL_ON for REV02 or higher */
1960
1961
1962 }
1963 void board_sleep_init(void)
1964 {
1965         unsigned char addr;
1966         unsigned char val[2];
1967
1968         i2c_set_bus_num(I2C_PMIC);
1969         addr = 0xCC >> 1;
1970         if (i2c_probe(addr)) {
1971                 printf("Can't find max8998\n");
1972                 return;
1973         }
1974
1975         /* Set ONOFF1 */
1976         i2c_read(addr, MAX8998_REG_ONOFF1, 1, val, 1);
1977         saved_val[0][0] = val[0];
1978         saved_val[0][1] = val[1];
1979         val[0] &= ~((1 << 7) | (1 << 6) | (1 << 4) | (1 << 2) |
1980                         (1 << 1) | (1 << 0));
1981         i2c_write(addr, MAX8998_REG_ONOFF1, 1, val, 1);
1982         i2c_read(addr, MAX8998_REG_ONOFF1, 1, val, 1);
1983         /* Set ONOFF2 */
1984         i2c_read(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1985         saved_val[1][0] = val[0];
1986         saved_val[1][1] = val[1];
1987         val[0] &= ~((1 << 7) | (1 << 6) | (1 << 5) | (1 << 3) |
1988                         (1 << 2) | (1 << 1) | (1 << 0));
1989         val[0] |= (1 << 7);
1990         i2c_write(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1991         i2c_read(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1992         /* Set ONOFF3 */
1993         i2c_read(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1994         saved_val[2][0] = val[0];
1995         saved_val[2][1] = val[1];
1996         val[0] &= ~((1 << 7) | (1 << 6) | (1 << 5) | (1 << 4));
1997         i2c_write(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1998         i2c_read(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1999         /* Set ONOFF4 */
2000         i2c_read(addr, MAX8998_REG_ONOFF3+1, 1, val, 1);
2001         saved_val[3][0] = val[0];
2002         saved_val[3][1] = val[1];
2003         val[0] &= ~((1 << 7) | (1 << 6) | (1 << 4));
2004         i2c_write(addr, MAX8998_REG_ONOFF3+1, 1, val, 1);
2005         i2c_read(addr, MAX8998_REG_ONOFF3+1, 1, val, 1);
2006         printf("Turned off regulators. Preparing to sleep. [%s:%d]\n",
2007                         __FILE__, __LINE__);
2008 }
2009
2010 void board_sleep_resume(void)
2011 {
2012         unsigned char addr;
2013         unsigned char val[2];
2014
2015         show_hw_revision();
2016
2017         i2c_set_bus_num(I2C_PMIC);
2018         addr = 0xCC >> 1;
2019         if (i2c_probe(addr)) {
2020                 printf("Can't find max8998\n");
2021                 return;
2022         }
2023
2024         /* Set ONOFF1 */
2025         i2c_write(addr, MAX8998_REG_ONOFF1, 1, saved_val[0], 1);
2026         i2c_read(addr, MAX8998_REG_ONOFF1, 1, val, 1);
2027         /* Set ONOFF2 */
2028         i2c_write(addr, MAX8998_REG_ONOFF2, 1, saved_val[1], 1);
2029         i2c_read(addr, MAX8998_REG_ONOFF2, 1, val, 1);
2030         /* Set ONOFF3 */
2031         i2c_write(addr, MAX8998_REG_ONOFF3, 1, saved_val[2], 1);
2032         i2c_read(addr, MAX8998_REG_ONOFF3, 1, val, 1);
2033         /* Set ONOFF4 */
2034         i2c_write(addr, MAX8998_REG_ONOFF3+1, 1, saved_val[3], 1);
2035         i2c_read(addr, MAX8998_REG_ONOFF3+1, 1, val, 1);
2036         printf("Waked up.\n");
2037
2038         /* check max17040 */
2039         check_battery();
2040
2041         /* check fsa9480 */
2042         check_micro_usb(1);
2043 }
2044
2045 #ifdef CONFIG_CMD_USBDOWN
2046 int usb_board_init(void)
2047 {
2048 #ifdef CONFIG_CMD_PMIC
2049         run_command("pmic ldo 3 on", 0);
2050 #endif
2051
2052         if (cpu_is_s5pc100()) {
2053 #ifdef CONFIG_HARD_I2C
2054                 uchar val[2] = {0,};
2055
2056                 /* PMIC */
2057                 if (i2c_read(0x66, 0, 1, val, 2)) {
2058                         printf("i2c_read error\n");
2059                         return 1;
2060                 }
2061
2062                 val[0] |= (1 << 3);
2063                 val[1] |= (1 << 5);
2064
2065                 if (i2c_write(0x66, 0, 1, val, 2)) {
2066                         printf("i2c_write error\n");
2067                         return 1;
2068                 }
2069                 i2c_read(0x66, 0, 1, val, 2);
2070 #endif
2071                 return 0;
2072         }
2073
2074         /* S5PC110 */
2075         if (board_is_limo_universal() ||
2076                 board_is_limo_real() ||
2077                 board_is_media()) {
2078                 /* check usb path */
2079                 if (board_is_limo_real() && !hwrevision(6))
2080                         check_mhl();
2081         }
2082
2083         if (machine_is_tickertape())
2084                 /* USB_SEL: XM0ADDR_0: MP04[0] output mode */
2085                 gpio_direction_output(&s5pc110_gpio->gpio_mp0_4, 0, 0);
2086
2087         /* USB Path to AP */
2088         micro_usb_switch(0);
2089
2090         return 0;
2091 }
2092 #endif
2093
2094 #ifdef CONFIG_GENERIC_MMC
2095 int s5p_no_mmc_support(void)
2096 {
2097         if (machine_is_wmg160())
2098                 return 1;
2099         return 0;
2100 }
2101
2102 int board_mmc_init(bd_t *bis)
2103 {
2104         unsigned int reg;
2105         unsigned int clock;
2106         struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
2107         int i;
2108
2109         /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
2110         if (machine_is_kessler())
2111                 gpio_direction_output(&s5pc110_gpio->gpio_j2, 7, 1);
2112
2113         if (machine_is_wmg160())
2114                 return -1;
2115
2116         /* MMC0 Clock source = SCLKMPLL */
2117         reg = readl(&clk->src4);
2118         reg &= ~0xf;
2119         reg |= 0x6;
2120         writel(reg, &clk->src4);
2121
2122         reg = readl(&clk->div4);
2123         reg &= ~0xf;
2124
2125         /* set div value near 50MHz */
2126         clock = get_pll_clk(MPLL) / 1000000;
2127         for (i = 0; i < 0xf; i++) {
2128                 if ((clock / (i + 1)) <= 50) {
2129                         reg |= i << 0;
2130                         break;
2131                 }
2132         }
2133
2134         writel(reg, &clk->div4);
2135
2136         /*
2137          * MMC0 GPIO
2138          * GPG0[0]      SD_0_CLK
2139          * GPG0[1]      SD_0_CMD
2140          * GPG0[2]      SD_0_CDn        -> Not used
2141          * GPG0[3:6]    SD_0_DATA[0:3]
2142          */
2143         for (i = 0; i < 7; i++) {
2144                 if (i == 2)
2145                         continue;
2146                 /* GPG0[0:6] special function 2 */
2147                 gpio_cfg_pin(&s5pc110_gpio->gpio_g0, i, 0x2);
2148                 /* GPG0[0:6] pull disable */
2149                 gpio_set_pull(&s5pc110_gpio->gpio_g0, i, GPIO_PULL_NONE);
2150                 /* GPG0[0:6] drv 4x */
2151                 gpio_set_drv(&s5pc110_gpio->gpio_g0, i, GPIO_DRV_4x);
2152         }
2153
2154         return s5pc1xx_mmc_init(0);
2155 }
2156 #endif
2157
2158 #ifdef CONFIG_CMD_PMIC
2159 static int pmic_status(void)
2160 {
2161         unsigned char addr, val[2];
2162         int reg, i;
2163
2164         i2c_set_bus_num(I2C_PMIC);
2165         addr = 0xCC >> 1;
2166         if (i2c_probe(addr)) {
2167                 printf("Can't found max8998\n");
2168                 return -1;
2169         }
2170
2171         reg = 0x11;
2172         i2c_read(addr, reg, 1, val, 1);
2173         for (i = 7; i >= 4; i--)
2174                 printf("BUCK%d %s\n", 7 - i + 1,
2175                         val[0] & (1 << i) ? "on" : "off");
2176         for (; i >= 0; i--)
2177                 printf("LDO%d %s\n", 5 - i,
2178                         val[0] & (1 << i) ? "on" : "off");
2179         reg = 0x12;
2180         i2c_read(addr, reg, 1, val, 1);
2181         for (i = 7; i >= 0; i--)
2182                 printf("LDO%d %s\n", 7 - i + 6,
2183                         val[0] & (1 << i) ? "on" : "off");
2184         reg = 0x13;
2185         i2c_read(addr, reg, 1, val, 1);
2186         for (i = 7; i >= 4; i--)
2187                 printf("LDO%d %s\n", 7 - i + 14,
2188                         val[0] & (1 << i) ? "on" : "off");
2189
2190         reg = 0xd;
2191         i2c_read(addr, reg, 1, val, 1);
2192         for (i = 7; i >= 6; i--)
2193                 printf("SAFEOUT%d %s\n", 7 - i + 1,
2194                         val[0] & (1 << i) ? "on" : "off");
2195         return 0;
2196 }
2197
2198 static int pmic_ldo_control(int buck, int ldo, int safeout, int on)
2199 {
2200         unsigned char addr, val[2];
2201         unsigned int reg, shift;
2202
2203         if (ldo) {
2204                 if (ldo < 2)
2205                         return -1;
2206                 if (ldo <= 5) {
2207                         reg = 0x11;
2208                         shift = 5 - ldo;
2209                 } else if (ldo <= 13) {
2210                         reg = 0x12;
2211                         shift = 13 - ldo;
2212                 } else if (ldo <= 17) {
2213                         reg = 0x13;
2214                         shift = 17 - ldo + 4;
2215                 } else
2216                         return -1;
2217         } else if (buck) {
2218                 if (buck > 4)
2219                         return -1;
2220                 reg = 0x11;
2221                 shift = 4 - buck + 4;
2222         } else if (safeout) {
2223                 if (safeout > 3)
2224                         return -1;
2225                 reg = 0xd;
2226                 shift = 8 - safeout;
2227         } else
2228                 return -1;
2229
2230         i2c_set_bus_num(I2C_PMIC);
2231         addr = 0xCC >> 1;
2232         if (i2c_probe(addr)) {
2233                 printf("Can't found max8998\n");
2234                 return -1;
2235         }
2236
2237         i2c_read(addr, reg, 1, val, 1);
2238         if (on)
2239                 val[0] |= (1 << shift);
2240         else
2241                 val[0] &= ~(1 << shift);
2242         i2c_write(addr, reg, 1, val, 1);
2243         i2c_read(addr, reg, 1, val, 1);
2244
2245         if (ldo)
2246                 printf("ldo %d value 0x%x, %s\n", ldo, val[0],
2247                         val[0] & (1 << shift) ? "on" : "off");
2248         else if (buck)
2249                 printf("buck %d value 0x%x, %s\n", buck, val[0],
2250                         val[0] & (1 << shift) ? "on" : "off");
2251         else if (safeout)
2252                 printf("safeout %d value 0x%x, %s\n", safeout, val[0],
2253                         val[0] & (1 << shift) ? "on" : "off");
2254
2255         return 0;
2256 }
2257
2258 static int do_pmic(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
2259 {
2260         int buck = 0, ldo = 0, safeout = 0, on = -1;
2261
2262         switch (argc) {
2263         case 2:
2264                 if (strncmp(argv[1], "status", 6) == 0)
2265                         return pmic_status();
2266                 break;
2267         case 4:
2268                 if (strncmp(argv[1], "ldo", 3) == 0)
2269                         ldo = simple_strtoul(argv[2], NULL, 10);
2270                 else if (strncmp(argv[1], "buck", 4) == 0)
2271                         buck = simple_strtoul(argv[2], NULL, 10);
2272                 else if (strncmp(argv[1], "safeout", 7) == 0)
2273                         safeout = simple_strtoul(argv[2], NULL, 10);
2274                 else
2275                         break;
2276
2277                 if (strncmp(argv[3], "on", 2) == 0)
2278                         on = 1;
2279                 else if (strncmp(argv[3], "off", 3) == 0)
2280                         on = 0;
2281                 else
2282                         break;
2283
2284                 return pmic_ldo_control(buck, ldo, safeout, on);
2285
2286         default:
2287                 break;
2288         }
2289
2290         cmd_usage(cmdtp);
2291         return 1;
2292 }
2293
2294 U_BOOT_CMD(
2295         pmic,           CONFIG_SYS_MAXARGS,     1, do_pmic,
2296         "PMIC LDO & BUCK control",
2297         "status - Display PMIC LDO & BUCK status\n"
2298         "pmic ldo num on/off - Turn on/off the LDO\n"
2299         "pmic buck num on/off - Turn on/off the BUCK\n"
2300         "pmic safeout num on/off - Turn on/off the SAFEOUT\n"
2301 );
2302 #endif
2303
2304 #ifdef CONFIG_CMD_DEVICE_POWER
2305
2306 enum {
2307         POWER_NONE,
2308         POWER_TOUCH,
2309         POWER_3_TOUCHKEY,
2310         POWER_LCD,
2311         POWER_HAPTIC,
2312         POWER_AUDIO_CODEC,
2313         POWER_FM_RADIO,
2314         POWER_BT_WIFI,
2315         POWER_HDMI,
2316 };
2317
2318 static void power_display_devices(void)
2319 {
2320         printf("devices:\n");
2321         printf("\t%d - touch\n", POWER_TOUCH);
2322         printf("\t%d - 3 touchkey\n", POWER_3_TOUCHKEY);
2323         printf("\t%d - LCD\n", POWER_LCD);
2324         printf("\t%d - Haptic\n", POWER_HAPTIC);
2325         printf("\t%d - Audio Codec\n", POWER_AUDIO_CODEC);
2326         printf("\t%d - FM Radio\n", POWER_FM_RADIO);
2327         printf("\t%d - BT/WiFi\n", POWER_BT_WIFI);
2328         printf("\t%d - HDMI\n", POWER_HDMI);
2329 }
2330
2331 static int power_hdmi(int on)
2332 {
2333         /* HDMI_EN1: GPJ2[2] */
2334         gpio_direction_output(&s5pc110_gpio->gpio_j2, 2, on);
2335         /* MHL_ON: GPJ2[3] */
2336         gpio_direction_output(&s5pc110_gpio->gpio_j2, 3, on);
2337         return 0;
2338 }
2339
2340 static int power_bt_wifi(int on)
2341 {
2342         /* WLAN_BT_EN: GPB[5] */
2343         gpio_direction_output(&s5pc110_gpio->gpio_b, 5, on);
2344         return 0;
2345 }
2346
2347 static int power_fm_radio(int on)
2348 {
2349         /* FM_BUS_nRST: GPJ2[5] */
2350         gpio_direction_output(&s5pc110_gpio->gpio_j2, 5, !on);
2351         return 0;
2352 }
2353
2354 static int power_audio_codec(int on)
2355 {
2356         /* CODEC_LDO_EN: GPF3[4] */
2357         gpio_direction_output(&s5pc110_gpio->gpio_f3, 4, on);
2358         /* CODEC_XTAL_EN: GPH3[2] */
2359         gpio_direction_output(&s5pc110_gpio->gpio_h3, 2, on);
2360         return 0;
2361 }
2362
2363 static int power_haptic(int on)
2364 {
2365         /* HAPTIC_ON: GPJ1[1] */
2366         gpio_direction_output(&s5pc110_gpio->gpio_j1, 1, on);
2367         return 0;
2368 }
2369
2370 static int power_lcd(int on)
2371 {
2372         /* MLCD_ON: GPJ1[3] */
2373         gpio_direction_output(&s5pc110_gpio->gpio_j1, 3, on);
2374         return 0;
2375 }
2376
2377 static int power_touch(int on)
2378 {
2379         /* TOUCH_EN: GPG3[6] */
2380         gpio_direction_output(&s5pc110_gpio->gpio_g3, 6, on);
2381         return 0;
2382 }
2383
2384 static int power_3_touchkey(int on)
2385 {
2386         if (on) {
2387                 /* 3_TOUCH_EN - GPJ3[0] : (J1B2) */
2388                 /* 3_TOUCH_EN - GPJ3[5] : (not J1B2) */
2389                 if (board_rev & J1_B2_BOARD)
2390                         gpio_direction_output(&s5pc110_gpio->gpio_j3, 0, on);
2391                 else
2392                         gpio_direction_output(&s5pc110_gpio->gpio_j3, 5, on);
2393
2394                 /* 3_TOUCH_CE - GPJ2[6] */
2395                 gpio_direction_output(&s5pc110_gpio->gpio_j2, 6, on);   /* TOUCH_CE */
2396         } else {
2397                 /* 3_TOUCH_CE - GPJ2[6] */
2398                 gpio_direction_output(&s5pc110_gpio->gpio_j2, 6, on);   /* TOUCH_CE */
2399         }
2400
2401         if (on) {
2402                 unsigned int reg;
2403                 unsigned char val[2];
2404                 unsigned char addr = 0x20;              /* mcs5000 3-touchkey */
2405
2406                 /* Require 100ms */
2407                 udelay(80 * 1000);
2408
2409                 /* 3 touchkey */
2410                 i2c_set_bus_num(I2C_GPIO10);
2411
2412                 /* Workaround to probe */
2413                 if (i2c_probe(addr)) {
2414                         if (i2c_probe(addr)) {
2415                                 printf("Can't found 3 touchkey\n");
2416                                 return -ENODEV;
2417                         }
2418                 }
2419
2420 #define MCS5000_TK_HW_VERSION  0x06
2421 #define MCS5000_TK_FW_VERSION  0x0A
2422 #define MCS5000_TK_MI_VERSION  0x0B
2423
2424                 reg = MCS5000_TK_MI_VERSION;
2425                 i2c_read(addr, reg, 1, val, 1);
2426                 printf("3-touchkey:\tM/I 0x%x, ", val[0]);
2427                 reg = MCS5000_TK_HW_VERSION;
2428                 i2c_read(addr, reg, 1, val, 1);
2429                 printf("H/W 0x%x, ", val[0]);
2430                 reg = MCS5000_TK_FW_VERSION;
2431                 i2c_read(addr, reg, 1, val, 1);
2432                 printf("F/W 0x%x\n", val[0]);
2433         }
2434         return 0;
2435 }
2436
2437 static int power_control(int device, int on)
2438 {
2439         switch (device) {
2440         case POWER_TOUCH:
2441                 return power_touch(on);
2442         case POWER_3_TOUCHKEY:
2443                 return power_3_touchkey(on);
2444         case POWER_LCD:
2445                 return power_lcd(on);
2446         case POWER_HAPTIC:
2447                 return power_haptic(on);
2448         case POWER_AUDIO_CODEC:
2449                 return power_audio_codec(on);
2450         case POWER_FM_RADIO:
2451                 return power_fm_radio(on);
2452         case POWER_BT_WIFI:
2453                 return power_bt_wifi(on);
2454         case POWER_HDMI:
2455                 return power_hdmi(on);
2456         default:
2457                 printf("I don't know device %d\n", device);
2458                 break;
2459         }
2460         return 0;
2461 }
2462
2463 static int power_on(int on)
2464 {
2465         power_touch(on);
2466         power_3_touchkey(on);
2467         power_lcd(on);
2468         power_haptic(on);
2469         power_audio_codec(on);
2470         power_fm_radio(on);
2471         power_bt_wifi(on);
2472         power_hdmi(on);
2473
2474         return 0;
2475 }
2476
2477 static int do_power(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
2478 {
2479         int device, on;
2480
2481         if (!machine_is_aquila())
2482                 goto out;
2483
2484         switch (argc) {
2485         case 2:
2486                 if (strncmp(argv[1], "on", 2) == 0)
2487                         return power_on(1);
2488                 if (strncmp(argv[1], "off", 3) == 0)
2489                         return power_on(0);
2490                 break;
2491         case 3:
2492                 device = simple_strtoul(argv[1], NULL, 10);
2493                 if (device < 0)
2494                         break;
2495
2496                 if (strncmp(argv[2], "on", 2) == 0)
2497                         on = 1;
2498                 else if (strncmp(argv[2], "off", 3) == 0)
2499                         on = 0;
2500                 else
2501                         break;
2502                 return power_control(device, on);
2503         default:
2504                 break;
2505         }
2506 out:
2507         cmd_usage(cmdtp);
2508         power_display_devices();
2509         return 1;
2510 }
2511
2512 U_BOOT_CMD(
2513         power,          CONFIG_SYS_MAXARGS,     1, do_power,
2514         "Device Power Management control",
2515         "device on/off - Turn on/off the device\n"
2516 );
2517
2518 static int do_microusb(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
2519 {
2520         switch (argc) {
2521         case 2:
2522                 if (strncmp(argv[1], "cp", 2) == 0) {
2523                         micro_usb_switch(1);
2524                         pmic_ldo_control(0, 0, 2, 1);
2525                         setenv("usb", "cp");
2526                 } else if (strncmp(argv[1], "ap", 2) == 0) {
2527                         micro_usb_switch(0);
2528                         pmic_ldo_control(0, 0, 2, 0);
2529                         setenv("usb", "ap");
2530                 }
2531                 break;
2532         default:
2533                 cmd_usage(cmdtp);
2534                 return 1;
2535         }
2536
2537         saveenv();
2538
2539         printf("USB Path is set to %s\n", getenv("usb"));
2540
2541         return 0;
2542 }
2543
2544 U_BOOT_CMD(
2545         microusb,               CONFIG_SYS_MAXARGS,     1, do_microusb,
2546         "Micro USB Switch",
2547         "cp - switch to CP\n"
2548         "microusb ap - switch to AP\n"
2549 );
2550 #endif