2 * Copyright (C) 2009 Samsung Electronics
3 * Kyungmin Park <kyungmin.park@samsung.com>
4 * Minkyu Kang <mk7.kang@samsung.com>
6 * See file CREDITS for list of people who contributed to this
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.
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.
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,
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>
39 #include <bmp_layout.h>
41 #include "animation_frames.h"
42 #include "gpio_setting.h"
44 DECLARE_GLOBAL_DATA_PTR;
46 #define C100_MACH_START 3000
47 #define C110_MACH_START 3100
49 /* FIXME Neptune workaround */
50 #define USE_NEPTUNE_BOARD
51 #undef USE_NEPTUNE_BOARD
53 static unsigned int board_rev;
54 static unsigned int battery_soc;
55 static struct s5pc110_gpio *s5pc110_gpio;
72 static struct i2c_gpio_bus_data i2c_2 = {
82 static struct i2c_gpio_bus_data i2c_gpio3 = {
92 static struct i2c_gpio_bus_data i2c_pmic = {
102 static struct i2c_gpio_bus_data i2c_gpio5 = {
112 static struct i2c_gpio_bus_data i2c_gpio6 = {
118 * i2c gpio7 - kessler
122 static struct i2c_gpio_bus_data i2c_gpio7 = {
128 * i2c gpio7 - cypress
132 static struct i2c_gpio_bus_data i2c_cypress_gpio7 = {
142 static struct i2c_gpio_bus_data i2c_gpio10 = {
148 static struct i2c_gpio_bus i2c_gpio[] = {
166 u32 get_board_rev(void)
171 static int hwrevision(int rev)
173 return (board_rev & 0xf) == rev;
180 MACH_P1P2, /* Don't remove it */
191 #define SPLIT_SCREEN_FEATURE 0x100
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
200 /* board is MACH_KESSLER and board is like below */
201 #define ARIES_BOARD 0x4000
202 #define NEPTUNE_BOARD 0x8000
204 #define BOARD_MASK 0xFF00
206 static int c110_machine_id(void)
208 return gd->bd->bi_arch_number - C110_MACH_START;
211 static int machine_is_aquila(void)
213 return (gd->bd->bi_arch_number == MACH_AQUILA);
216 static int machine_is_tickertape(void)
218 return c110_machine_id() == MACH_TICKERTAPE;
221 static int machine_is_geminus(void)
223 return c110_machine_id() == MACH_GEMINUS;
226 static int machine_is_cypress(void)
228 return c110_machine_id() == MACH_CYPRESS;
231 static int board_is_limo_universal(void)
233 return machine_is_aquila() && (board_rev & LIMO_UNIVERSAL_BOARD);
236 static int board_is_limo_real(void)
238 return machine_is_aquila() && (board_rev & LIMO_REAL_BOARD);
241 static int board_is_media(void)
243 return machine_is_aquila() && (board_rev & MEDIA_BOARD);
246 static int board_is_j1b2(void)
248 return machine_is_aquila() && (board_rev & J1_B2_BOARD);
252 static int machine_is_kessler(void)
254 return gd->bd->bi_arch_number == MACH_KESSLER;
257 static int board_is_neptune(void)
259 return machine_is_kessler() && (board_rev & NEPTUNE_BOARD);
263 static int machine_is_wmg160(void)
265 return c110_machine_id() == MACH_WMG160;
268 static void enable_battery(void);
270 void i2c_init_board(void)
272 struct s5pc110_gpio *gpio = (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
275 if (cpu_is_s5pc100())
278 num_bus = ARRAY_SIZE(i2c_gpio);
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;
291 i2c_gpio[I2C_GPIO7].bus->gpio_base = 0;
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;
300 i2c_gpio_init(i2c_gpio, num_bus, I2C_PMIC);
302 /* Reset on max17040 early */
303 if (battery_soc == 0)
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;
312 static void dprintf(const char *fmt, ...)
319 i = vsprintf(buf, fmt, args);
324 if ((strlen(device_info) + strlen(buf)) > (DEV_INFO_LEN - 1)) {
325 puts("Flushing device info...\n");
329 strcat(device_info, buf);
333 #ifdef CONFIG_S5PC1XXFB
334 static void display_device_info(void)
341 set_font_color(FONT_WHITE);
342 fb_printf(device_info);
345 memset(device_info, 0x0, DEV_INFO_LEN);
347 udelay(5 * 1000 * 1000);
351 static const char *board_name[] = {
355 "P1P2", /* Don't remove it */
368 static char feature_buffer[32];
370 static char *display_features(int board, int board_rev)
373 char *buf = feature_buffer;
376 if (board == MACH_AQUILA) {
377 if (board_rev & SPLIT_SCREEN_FEATURE)
378 name = "SplitScreen";
379 if (board_rev & J1_B2_BOARD)
381 /* Limo Real or Universal */
382 if (board_rev & LIMO_REAL_BOARD)
384 else if (board_rev & LIMO_UNIVERSAL_BOARD)
385 name = "Limo Universal";
386 if (board_rev & MEDIA_BOARD)
388 if (board_rev & BAMBOO_BOARD)
390 } else if (board == MACH_KESSLER) {
391 if (board_rev & ARIES_BOARD)
393 if (board_rev & NEPTUNE_BOARD)
397 count += sprintf(buf + count, " - %s", name);
402 static char *get_board_name(int board)
404 if (board == MACH_AQUILA)
406 else if (board == MACH_KESSLER)
408 else if (board == MACH_WMG160)
410 return (char *) board_name[board];
413 static void check_board_revision(int board, int rev)
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 |
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);
438 board_rev &= ~BOARD_MASK;
441 static unsigned int get_hw_revision(struct s5pc1xx_gpio_bank *bank, int hwrev3)
449 gpio_direction_input(bank, 2);
450 gpio_direction_input(bank, 3);
451 gpio_direction_input(bank, 4);
452 gpio_direction_input(bank, mode3);
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 */
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);
467 static void check_hw_revision(void)
469 unsigned int board = MACH_UNIVERSAL; /* Default is Universal */
471 if (cpu_is_s5pc100()) {
472 struct s5pc100_gpio *gpio =
473 (struct s5pc100_gpio *)S5PC100_GPIO_BASE;
475 board_rev = get_hw_revision(&gpio->gpio_j0, 0);
477 /* C100 TickerTape */
479 board = MACH_TICKERTAPE;
481 struct s5pc110_gpio *gpio =
482 (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
488 * Note Check 'Aquila' board first
492 * LRA: Limo Real Aquila
493 * LUA: Limo Universal Aquila
498 * ADDR = 0xE0200000 + OFF
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
512 if (gpio_get_value(&gpio->gpio_j1, 4) == 0) {
514 board_rev |= J1_B2_BOARD;
516 gpio_set_pull(&gpio->gpio_j2, 6, GPIO_PULL_NONE);
517 gpio_direction_input(&gpio->gpio_j2, 6);
520 if (gpio_get_value(&gpio->gpio_h1, 2) == 0)
521 board_rev |= LIMO_UNIVERSAL_BOARD;
523 if (gpio_get_value(&gpio->gpio_h3, 2) == 0)
524 board_rev |= LIMO_REAL_BOARD;
526 if (gpio_get_value(&gpio->gpio_j2, 6) == 1)
527 board_rev |= MEDIA_BOARD;
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);
534 /* Workaround: C110 Aquila Rev0.6 */
535 if (board_rev == 6) {
537 board_rev |= LIMO_REAL_BOARD;
540 /* C110 Aquila Bamboo */
541 if (gpio_get_value(&gpio->gpio_j2, 0) == 1) {
543 board_rev |= BAMBOO_BOARD;
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;
551 /* WMG160 - GPH3[0:4] = 0x00 */
552 if (board == MACH_TICKERTAPE) {
555 for (i = 0; i < 4; i++) {
556 if (gpio_get_value(&gpio->gpio_h3, i) != 0) {
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)
575 gpio_set_pull(&gpio->gpio_j1, 2, GPIO_PULL_DOWN);
576 gpio_direction_output(&gpio->gpio_j1, 2, 0);
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;
585 gpio_set_pull(&gpio->gpio_j0, 6, GPIO_PULL_DOWN);
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);
597 board = MACH_KESSLER;
598 board_rev |= ARIES_BOARD;
599 #ifdef USE_NEPTUNE_BOARD
600 board_rev &= ~ARIES_BOARD;
601 board_rev |= NEPTUNE_BOARD;
604 gpio_set_pull(&gpio->gpio_j2, 2, GPIO_PULL_DOWN);
607 gpio_direction_output(&gpio->gpio_mp0_5, 6, 0);
609 board_rev |= get_hw_revision(&gpio->gpio_j0, hwrev3);
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;
620 gd->bd->bi_arch_number = C100_MACH_START + board;
622 /* Architecture Common settings */
623 if (cpu_is_s5pc110()) {
624 setenv("mtdparts", MTDPARTS_DEFAULT_4KB);
626 setenv("bootk", "onenand read 0x30007FC0 0x60000 0x300000; "
628 setenv("updatek", "onenand erase 0x60000 0x300000; "
629 "onenand write 0x31008000 0x60000 0x300000");
633 static void show_hw_revision(void)
638 * Workaround for Rev 0.3 + CP Ver ES 3.1
641 if (board_is_limo_real()) {
643 /* default is Rev 0.4 */
649 if (machine_is_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;
656 board = gd->bd->bi_arch_number - C100_MACH_START;
658 check_board_revision(board, board_rev);
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);
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);
674 s5pc1xx_set_cpu_rev(0);
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");
683 static void check_auto_burn(void)
685 unsigned long magic_base = CONFIG_SYS_SDRAM_BASE + 0x02000000;
686 unsigned int count = 0;
689 if (readl(magic_base) == 0x426f6f74) { /* ASICC: Boot */
690 printf("Auto burning bootloader\n");
691 count += sprintf(buf + count, "run updateb; ");
693 if (readl(magic_base + 0x04) == 0x4b65726e) { /* ASICC: Kern */
694 printf("Auto burning kernel\n");
695 count += sprintf(buf + count, "run updatek; ");
699 count += sprintf(buf + count, "reset");
700 setenv("bootcmd", buf);
703 /* Clear the magic value */
704 writel(0xa5a55a5a, magic_base);
705 writel(0xa5a55a5a, magic_base + 0x4);
708 static void pmic_pin_init(void)
710 unsigned int reg, value;
712 if (cpu_is_s5pc100())
715 /* AP_PS_HOLD: XEINT_0: GPH0[0]
716 * Note: Don't use GPIO PS_HOLD it doesn't work
718 reg = S5PC110_PS_HOLD_CONTROL;
720 value |= S5PC110_PS_HOLD_DIR_OUTPUT |
721 S5PC110_PS_HOLD_DATA_HIGH |
722 S5PC110_PS_HOLD_OUT_EN;
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);
730 static void enable_ldos(void)
732 if (cpu_is_s5pc100())
735 /* TOUCH_EN: XMMC3DATA_3: GPG3[6] output high */
736 gpio_direction_output(&s5pc110_gpio->gpio_g3, 6, 1);
739 static void enable_t_flash(void)
741 if (!(board_is_limo_universal() || board_is_limo_real()))
744 /* T_FLASH_EN : XM0ADDR_13: MP0_5[4] output high */
745 gpio_direction_output(&s5pc110_gpio->gpio_mp0_5, 4, 1);
748 static void setup_limo_real_gpios(void)
750 if (!board_is_limo_real())
754 * Note: Please write GPIO alphabet order
756 /* CODEC_LDO_EN: XVVSYNC_LDI: GPF3[4] output high */
757 gpio_direction_output(&s5pc110_gpio->gpio_f3, 4, 1);
760 /* RESET_REQ_N: XM0BEN_1: MP0_2[1] output high */
761 gpio_direction_output(&s5pc110_gpio->gpio_mp0_2, 1, 1);
763 /* RESET_REQ_N: XM0CSn_2: MP0_1[2] output high */
764 gpio_direction_output(&s5pc110_gpio->gpio_mp0_1, 2, 1);
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);
771 static void setup_media_gpios(void)
773 if (!board_is_media())
777 * Note: Please write GPIO alphabet order
779 /* RESET_REQ_N: XM0CSn_2: MP0_1[2] output high */
780 gpio_direction_output(&s5pc110_gpio->gpio_mp0_1, 2, 1);
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);
787 #define KBR3 (1 << 3)
788 #define KBR2 (1 << 2)
789 #define KBR1 (1 << 1)
790 #define KBR0 (1 << 0)
792 static void check_keypad(void)
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];
800 unsigned int auto_download = 0;
802 if (machine_is_wmg160())
805 if (cpu_is_s5pc100()) {
806 struct s5pc100_gpio *gpio =
807 (struct s5pc100_gpio *)S5PC100_GPIO_BASE;
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);
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);
822 reg = S5PC100_KEYPAD_BASE;
823 col_mask = S5PC1XX_KEYIFCOL_MASK;
826 if (board_is_limo_real() || board_is_limo_universal()) {
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);
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);
844 reg = S5PC110_KEYPAD_BASE;
845 col_mask = S5PC110_KEYIFCOLEN_MASK;
849 /* KEYIFCOL reg clear */
850 writel(0, reg + S5PC1XX_KEYIFCOL_OFFSET);
853 for (i = 0; i < col_num; i++) {
855 value &= ~(1 << i) << col_mask_shift;
857 writel(value, reg + S5PC1XX_KEYIFCOL_OFFSET);
860 value = readl(reg + S5PC1XX_KEYIFROW_OFFSET);
861 row_state[i] = ~value & ((1 << row_num) - 1);
863 printf("[%d col] row_state: 0x%x\n", i, row_state[i]);
866 /* KEYIFCOL reg clear */
867 writel(0, reg + S5PC1XX_KEYIFCOL_OFFSET);
869 if (machine_is_aquila()) {
870 /* cam full shot & volume down */
871 if ((row_state[0] & 0x1) && (row_state[1] & 0x2))
874 else if ((row_state[1] & 0x2))
876 } else if (machine_is_geminus())
877 /* volume down & home */
878 if ((row_state[1] & 0x2) && (row_state[2] & 0x1))
882 setenv("bootcmd", "usbdown");
885 static void enable_battery(void)
887 unsigned char val[2];
888 unsigned char addr = 0x36; /* max17040 fuel gauge */
890 i2c_set_bus_num(I2C_GPIO3);
892 if (machine_is_aquila()) {
895 } else if (machine_is_kessler())
896 i2c_set_bus_num(I2C_GPIO7);
897 else if (machine_is_tickertape()) {
899 } else if (machine_is_cypress()) {
900 i2c_set_bus_num(I2C_GPIO7);
901 } else if (machine_is_geminus()) {
903 i2c_set_bus_num(I2C_GPIO7);
906 if (i2c_probe(addr)) {
907 printf("Can't found max17040 fuel gauge\n");
913 i2c_write(addr, 0xfe, 1, val, 2);
916 static void check_battery(void)
918 unsigned char val[2];
919 unsigned char addr = 0x36; /* max17040 fuel gauge */
921 i2c_set_bus_num(I2C_GPIO3);
923 if (machine_is_aquila()) {
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()) {
932 i2c_set_bus_num(I2C_GPIO7);
936 if (i2c_probe(addr)) {
937 printf("Can't found max17040 fuel gauge\n");
941 i2c_read(addr, 0x04, 1, val, 1);
943 dprintf("battery:\t%d%%\n", val[0]);
945 battery_soc = val[0];
948 static void check_mhl(void)
950 unsigned char val[2];
951 unsigned char addr = 0x39; /* SIL9230 */
953 /* MHL Power enable */
954 /* HDMI_EN : GPJ2[2] XMSMDATA_2 output mode */
955 gpio_direction_output(&s5pc110_gpio->gpio_j2, 2, 1);
957 /* MHL_RST : MP0_4[7] XM0ADDR_7 output mode */
958 gpio_direction_output(&s5pc110_gpio->gpio_mp0_4, 7, 0);
960 /* 10ms required after reset */
964 gpio_set_value(&s5pc110_gpio->gpio_mp0_4, 7, 1);
966 i2c_set_bus_num(I2C_GPIO5);
969 if (i2c_probe(addr)) {
970 printf("Can't found MHL Chip\n");
976 * set to Normal operation
979 i2c_write((0x72 >> 1), 0x08, 1, val, 1);
980 i2c_read((0x72 >> 1), 0x08, 1, val, 1);
985 * 00 = MHL termination ON
986 * 11 = MHL termination OFF
989 i2c_write((0x72 >> 1), 0xa0, 1, val, 1);
990 i2c_read((0x72 >> 1), 0xa0, 1, val, 1);
993 #define CHARGER_ANIMATION_FRAME 6
994 static int max8998_power_key(void)
996 unsigned char addr, val[2];
997 i2c_set_bus_num(I2C_PMIC);
999 if (i2c_probe(addr)) {
1000 printf("Can't found max8998\n");
1004 /* Accessing IRQ1 register */
1005 i2c_read(addr, 0x00, 1, val, 1);
1006 if (val[0] & (1 << 6))
1012 static int max8998_has_ext_power_source(void)
1014 unsigned char addr, val[2];
1015 i2c_set_bus_num(I2C_PMIC);
1017 if (i2c_probe(addr)) {
1018 printf("Can't found max8998\n");
1022 /* Accessing STATUS2 register */
1023 i2c_read(addr, 0x09, 1, val, 1);
1024 if (val[0] & (1 << 5))
1030 extern void lcd_display_clear(void);
1031 extern int lcd_display_bitmap(ulong bmp_image, int x, int y);
1033 static void into_charge_mode(void)
1035 unsigned char addr = 0xCC >> 1; /* max8998 */;
1036 unsigned char val[2];
1041 ulong bmp_addr[CHARGER_ANIMATION_FRAME];
1043 i2c_set_bus_num(I2C_PMIC);
1045 if (i2c_probe(addr)) {
1046 printf("Can't found max8998\n");
1050 printf("Charge Mode\n");
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);
1059 #ifdef CONFIG_S5PC1XXFB
1062 /* TODO: write the image-text for the charger */
1064 level = battery_soc * CHARGER_ANIMATION_FRAME / 100;
1065 if (level >= CHARGER_ANIMATION_FRAME)
1066 level = CHARGER_ANIMATION_FRAME - 1;
1068 for (i = 0; i < CHARGER_ANIMATION_FRAME; i++)
1069 bmp_addr[i] = (ulong)battery_charging_animation[i];
1071 lcd_display_clear();
1072 for (i = 0; i < 3; i++) {
1073 for (j = level; j < CHARGER_ANIMATION_FRAME; j++) {
1076 bmp = gunzip_bmp(bmp_addr[j], &len);
1077 lcd_display_bitmap((ulong) bmp, 140, 202);
1080 for (k = 0; k < 10; k++)
1081 if (max8998_power_key()) {
1082 lcd_display_clear();
1084 } else if (!max8998_has_ext_power_source()) {
1085 lcd_display_clear();
1094 /* EVT0: sleep 1, EVT1: sleep */
1095 if (s5pc1xx_get_cpu_rev() == 0) {
1096 run_command("sleep 1", 0);
1100 run_command("sleep", 0);
1103 static void check_micro_usb(int intr)
1106 unsigned char val[2];
1107 static int started_charging_once = 0;
1110 if (cpu_is_s5pc100())
1113 if (board_is_limo_real()) {
1114 if (hwrevision(0) || hwrevision(1))
1118 i2c_set_bus_num(I2C_PMIC);
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()) {
1126 i2c_set_bus_num(I2C_GPIO6);
1127 } else if (machine_is_wmg160())
1128 i2c_set_bus_num(I2C_GPIO6);
1130 addr = 0x25; /* fsa9480 */
1131 if (i2c_probe(addr)) {
1132 printf("Can't found fsa9480\n");
1136 /* Clear Interrupt */
1138 i2c_read(addr, 0x03, 1, val, 2);
1142 /* Read Device Type 1 */
1143 i2c_read(addr, 0x0a, 1, val, 1);
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)
1152 * If USB, use default 475mA
1153 * If Charger, use 600mA and go to charge mode
1155 if ((val[0] & FSA_DEV1_CHARGER) && !started_charging_once) {
1156 started_charging_once = 1;
1160 /* If Factory Mode is Boot ON-USB, go to download mode */
1161 i2c_read(addr, 0x07, 1, val, 1);
1163 #define FSA_ADC_FAC_USB_OFF 0x18
1164 #define FSA_ADC_FAC_USB_ON 0x19
1165 #define FSA_ADC_FAC_UART 0x1d
1167 if (val[0] == FSA_ADC_FAC_USB_ON || val[0] == FSA_ADC_FAC_USB_OFF)
1168 setenv("bootcmd", "usbdown");
1170 path = getenv("usb");
1172 if (!strncmp(path, "cp", 2))
1173 run_command("microusb cp", 0);
1176 static void micro_usb_switch(int path)
1179 unsigned char val[2];
1181 i2c_set_bus_num(I2C_PMIC);
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()) {
1189 i2c_set_bus_num(I2C_GPIO6);
1190 } else if (machine_is_wmg160()) {
1191 i2c_set_bus_num(I2C_GPIO6);
1195 addr = 0x25; /* fsa9480 */
1196 if (i2c_probe(addr)) {
1197 printf("Can't found fsa9480\n");
1202 val[0] = 0x90; /* VAUDIO */
1204 val[0] = (1 << 5) | (1 << 2); /* DHOST */
1206 i2c_write(addr, 0x13, 1, val, 1); /* MANSW1 */
1208 i2c_read(addr, 0x2, 1, val, 1);
1209 val[0] &= ~(1 << 2); /* Manual switching */
1210 i2c_write(addr, 0x2, 1, val, 1);
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
1219 #define MAX8998_LDO3 (1 << 2)
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)
1230 #define MAX8998_LDO14 (1 << 7)
1231 #define MAX8998_LDO15 (1 << 6)
1232 #define MAX8998_LDO16 (1 << 5)
1233 #define MAX8998_LDO17 (1 << 4)
1236 static void init_pmic(void)
1239 unsigned char val[2];
1241 if (cpu_is_s5pc100())
1244 i2c_set_bus_num(I2C_PMIC);
1246 addr = 0xCC >> 1; /* max8998 */
1247 if (i2c_probe(addr)) {
1248 if (i2c_probe(addr)) {
1249 printf("Can't found max8998\n");
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);
1260 i2c_read(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1262 * Disable LDO10(VPLL_1.1V), LDO11(CAM_IO_2.8V),
1263 * LDO12(CAM_ISP_1.2V), LDO13(CAM_A_2.8V)
1265 val[0] &= ~(MAX8998_LDO10 | MAX8998_LDO11 |
1266 MAX8998_LDO12 | MAX8998_LDO13);
1268 if (machine_is_kessler())
1269 val[0] |= MAX8998_LDO7; /* LDO7: VLCD_1.8V */
1271 i2c_write(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1272 i2c_read(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1274 i2c_read(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1276 * Disable LDO14(CAM_CIF_1.8), LDO15(CAM_AF_3.3V),
1277 * LDO16(VMIPI_1.8V), LDO17(CAM_8M_1.8V)
1279 val[0] &= ~(MAX8998_LDO14 | MAX8998_LDO15 |
1280 MAX8998_LDO16 | MAX8998_LDO17);
1282 if (machine_is_kessler())
1283 val[0] |= MAX8998_LDO17; /* LDO17: VCC_3.0V_LCD */
1285 i2c_write(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1286 i2c_read(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1289 static void setup_power_down_mode_registers(void)
1291 struct s5pc110_gpio *gpio = (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
1292 struct s5pc1xx_gpio_bank *bank;
1293 struct gpio_powermode *p;
1295 struct gpio_external *ge;
1297 struct s5pc1xx_gpio_item *mr;
1301 if (cpu_is_s5pc100())
1304 /* Only Limo real and kessler supports worked for sleep currnet */
1305 if (machine_is_aquila()) {
1306 if (board_is_limo_real())
1310 } else if (machine_is_kessler()) {
1312 } else if (machine_is_geminus()) {
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 */
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);
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);
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);
1360 return; /* Not supported */
1364 bank = &gpio->gpio_a0;
1366 for (i = 0; i < n_p; i++, p++, bank++) {
1367 writel(p->conpdn, &bank->pdn_con);
1368 writel(p->pudpdn, &bank->pdn_pull);
1371 writel(0xff0022b0, (unsigned int *)0xF0000000);
1372 writel(0xff0022b0, (unsigned int *)0xF1400000);
1374 bank = &gpio->gpio_h0;
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);
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);
1392 printf("[%8.8X] = %8.8X\n", (unsigned int) (&mr->bank->pdn_con), reg);
1399 #include "../../../drivers/video/s5p-spi.h"
1401 extern void s6e63m0_set_platform_data(struct spi_platform_data *pd);
1402 extern void s6d16a0x_set_platform_data(struct spi_platform_data *pd);
1404 struct spi_platform_data spi_pd;
1406 struct s5pc110_gpio *gpio_base = (struct s5pc110_gpio *) S5PC110_GPIO_BASE;
1408 void lcd_cfg_gpio(void)
1410 unsigned int i, f3_end = 4;
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);
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);
1431 /* set DISPLAY_DE_B pin for dual rgb mode. */
1432 if (board_is_media())
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);
1444 /* display output path selection (only [1:0] valid) */
1445 writel(0x2, 0xE0107008);
1447 /* gpio pad configuration for LCD reset. */
1448 gpio_cfg_pin(&gpio_base->gpio_mp0_5, 5, GPIO_OUTPUT);
1450 /* gpio pad configuration for LCD ON. */
1451 gpio_cfg_pin(&gpio_base->gpio_j1, 3, GPIO_OUTPUT);
1453 /* LCD_BACKLIGHT_EN */
1454 if (machine_is_geminus())
1455 gpio_cfg_pin(&gpio_base->gpio_mp0_5, 0, GPIO_OUTPUT);
1458 * gpio pad configuration for
1459 * DISPLAY_CS, DISPLAY_CLK, DISPLAY_SO, DISPLAY_SI.
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);
1466 if (machine_is_aquila()) {
1467 spi_pd.cs_bank = &gpio_base->gpio_mp0_1;
1469 spi_pd.clk_bank = &gpio_base->gpio_mp0_4;
1471 spi_pd.si_bank = &gpio_base->gpio_mp0_4;
1473 spi_pd.so_bank = &gpio_base->gpio_mp0_4;
1476 if (board_is_neptune())
1477 s6d16a0x_set_platform_data(&spi_pd);
1479 s6e63m0_set_platform_data(&spi_pd);
1480 if (board_is_media())
1485 if (machine_is_cypress()) {
1486 #if 0 /* universal cypress */
1488 gpio_cfg_pin(&gpio_base->gpio_mp0_1, 0, GPIO_OUTPUT);
1491 gpio_cfg_pin(&gpio_base->gpio_mp0_5, 1, GPIO_OUTPUT);
1493 gpio_cfg_pin(&gpio_base->gpio_mp0_4, 0, GPIO_OUTPUT);
1495 gpio_cfg_pin(&gpio_base->gpio_mp0_4, 2, GPIO_OUTPUT);
1497 gpio_cfg_pin(&gpio_base->gpio_mp0_4, 5, GPIO_OUTPUT);
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;
1504 spi_pd.cs_bank = &gpio_base->gpio_mp0_5;
1506 spi_pd.clk_bank = &gpio_base->gpio_mp0_4;
1508 spi_pd.si_bank = &gpio_base->gpio_mp0_4;
1513 /* these data would be sent to s6e63m0 lcd panel driver. */
1514 s6e63m0_set_platform_data(&spi_pd);
1520 void backlight_on(unsigned int onoff)
1522 struct s5pc110_gpio *gpio = (struct s5pc110_gpio *) S5PC110_GPIO_BASE;
1525 if (machine_is_geminus())
1526 gpio_set_value(&gpio->gpio_mp0_5, 0, 1);
1528 if (machine_is_geminus())
1529 gpio_set_value(&gpio->gpio_mp0_5, 0, 0);
1533 void reset_lcd(void)
1535 struct s5pc110_gpio *gpio = (struct s5pc110_gpio *) S5PC110_GPIO_BASE;
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);
1543 void lcd_power_on(unsigned int onoff)
1545 struct s5pc110_gpio *gpio = (struct s5pc110_gpio *) S5PC110_GPIO_BASE;
1548 if (machine_is_aquila() || machine_is_geminus())
1549 gpio_set_value(&gpio->gpio_j1, 3, 1);
1551 if (machine_is_cypress())
1552 gpio_set_value(&gpio->gpio_g2, 2, 1);
1554 if (machine_is_kessler()) {
1556 unsigned char val[2];
1557 unsigned char val2[2];
1559 i2c_set_bus_num(I2C_PMIC);
1560 addr = 0xCC >> 1; /* max8998 */
1561 if (i2c_probe(addr)) {
1562 printf("Can't found max8998\n");
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);
1570 i2c_read(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1571 val[0] |= MAX8998_LDO17;
1573 i2c_write(addr, MAX8998_REG_LDO17, 1, val2, 1);
1574 i2c_write(addr, MAX8998_REG_ONOFF3, 1, val, 1);
1576 i2c_read(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1577 val[0] |= MAX8998_LDO7;
1579 i2c_write(addr, MAX8998_REG_LDO7, 1, val2, 1);
1580 i2c_write(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1583 if (machine_is_aquila() || machine_is_geminus())
1584 gpio_set_value(&gpio->gpio_j1, 3, 0);
1586 if (machine_is_cypress())
1587 gpio_set_value(&gpio->gpio_g2, 2, 0);
1589 if (machine_is_kessler()) {
1591 unsigned char val[2];
1593 i2c_set_bus_num(I2C_PMIC);
1594 addr = 0xCC >> 1; /* max8998 */
1595 if (i2c_probe(addr)) {
1596 printf("Can't found max8998\n");
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);
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);
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);
1618 int s5p_no_lcd_support(void)
1620 if (machine_is_wmg160())
1625 void init_panel_info(vidinfo_t *vid)
1627 vid->cfg_gpio = NULL;
1628 vid->reset_lcd = NULL;
1629 vid->backlight_on = NULL;
1630 vid->lcd_power_on = NULL;
1632 vid->cfg_ldo = NULL;
1633 vid->enable_ldo = NULL;
1635 vid->init_delay = 0;
1636 vid->reset_delay = 0;
1637 vid->power_on_delay = 0;
1642 vid->vl_width = 480;
1643 vid->vl_height = 800;
1645 vid->dual_lcd_enabled = 0;
1647 if (board_is_media()) {
1650 vid->vl_width = 960;
1651 vid->vl_height = 800;
1653 /* enable dual lcd mode. */
1654 vid->dual_lcd_enabled = 1;
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;
1663 /* S6E63M0 LCD Panel */
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;
1680 vid->init_delay = 25000;
1681 vid->reset_delay = 120000;
1684 if (board_is_neptune()) {
1688 vid->vl_width = 320;
1689 vid->vl_height = 480;
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;
1697 /* disable dual lcd mode. */
1698 vid->dual_lcd_enabled = 0;
1700 /* S6D16A0X LCD Panel */
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;
1716 vid->init_delay = 10000;
1717 vid->power_on_delay = 10000;
1718 vid->reset_delay = 1000;
1722 if (machine_is_geminus()) {
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,
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;
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,
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,
1780 /* AMS701KA AMOLED Panel. */
1792 static void setup_meminfo(void)
1794 char meminfo[64] = {0, };
1795 int count = 0, size, real;
1797 size = gd->bd->bi_dram[0].size >> 20;
1798 count += sprintf(meminfo + count, "mem=%dM", size);
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);
1808 count += sprintf(meminfo + count, " mem=%dM@0x%x", size,
1809 (unsigned int)gd->bd->bi_dram[1].start + (real << 20));
1812 setenv("meminfo", meminfo);
1815 int misc_init_r(void)
1818 /* It should be located at first */
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");
1827 setenv("lcdinfo", "lcd=s6e63m0");
1829 if (machine_is_geminus())
1830 setenv("lcdinfo", "lcd=lms480jc01");
1831 if (machine_is_cypress())
1832 setenv("lcdinfo", "lcd=s6e63m0");
1838 /* Set proper PMIC pins */
1841 /* Check auto burning */
1844 /* To power up I2C2 */
1847 /* Enable T-Flash at Limo Real or Limo Universal */
1850 /* Setup Limo Real board GPIOs */
1851 setup_limo_real_gpios();
1853 /* Setup Media board GPIOs */
1854 setup_media_gpios();
1856 /* To usbdown automatically */
1862 #ifdef CONFIG_S5PC1XXFB
1863 display_device_info();
1866 setup_power_down_mode_registers();
1868 /* check max17040 */
1878 int board_init(void)
1880 /* Set Initial global variables */
1881 s5pc110_gpio = (struct s5pc110_gpio *) S5PC110_GPIO_BASE;
1883 gd->bd->bi_arch_number = MACH_AQUILA;
1884 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
1886 /* Check H/W Revision */
1887 check_hw_revision();
1894 unsigned int base, memconfig0, size;
1895 unsigned int memconfig1, sz = 0;
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;
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;
1908 base = S5PC110_DMC1_BASE;
1909 /* DMC configuration */
1910 memconfig0 = readl(base + MEMCONFIG0_OFFSET);
1911 gd->bd->bi_dram[1].start = memconfig0 & 0xFF000000;
1913 size = (memconfig0 >> 16) & 0xFF;
1914 size = ((unsigned char) ~size) + 1;
1917 * (0x07 + 1) * 16 = 128 MiB
1918 * (0x0f + 1) * 16 = 256 MiB
1923 * Aquila Rev0.5 4G3G1G
1924 * Aquila Rev0.8 4G3G1G
1925 * Aquila Rev0.9 4G3G1G
1927 if (machine_is_aquila() &&
1928 (hwrevision(5) || hwrevision(8) || hwrevision(9))) {
1929 memconfig1 = readl(base + MEMCONFIG1_OFFSET);
1931 sz = (memconfig1 >> 16) & 0xFF;
1932 sz = ((unsigned char) ~sz) + 1;
1938 * bi_dram[1].size contains all DMC1 memory size
1940 gd->bd->bi_dram[1].size = (size + sz) << 20;
1945 /* Used for sleep test */
1946 static unsigned char saved_val[4][2];
1947 void board_sleep_init_late(void)
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);
1954 /* MMC T_FLASH off */
1955 gpio_direction_output(&s5pc110_gpio->gpio_mp0_5, 4, 0);
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 */
1963 void board_sleep_init(void)
1966 unsigned char val[2];
1968 i2c_set_bus_num(I2C_PMIC);
1970 if (i2c_probe(addr)) {
1971 printf("Can't find max8998\n");
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);
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));
1990 i2c_write(addr, MAX8998_REG_ONOFF2, 1, val, 1);
1991 i2c_read(addr, MAX8998_REG_ONOFF2, 1, val, 1);
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);
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__);
2010 void board_sleep_resume(void)
2013 unsigned char val[2];
2017 i2c_set_bus_num(I2C_PMIC);
2019 if (i2c_probe(addr)) {
2020 printf("Can't find max8998\n");
2025 i2c_write(addr, MAX8998_REG_ONOFF1, 1, saved_val[0], 1);
2026 i2c_read(addr, MAX8998_REG_ONOFF1, 1, val, 1);
2028 i2c_write(addr, MAX8998_REG_ONOFF2, 1, saved_val[1], 1);
2029 i2c_read(addr, MAX8998_REG_ONOFF2, 1, val, 1);
2031 i2c_write(addr, MAX8998_REG_ONOFF3, 1, saved_val[2], 1);
2032 i2c_read(addr, MAX8998_REG_ONOFF3, 1, val, 1);
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");
2038 /* check max17040 */
2045 #ifdef CONFIG_CMD_USBDOWN
2046 int usb_board_init(void)
2048 #ifdef CONFIG_CMD_PMIC
2049 run_command("pmic ldo 3 on", 0);
2052 if (cpu_is_s5pc100()) {
2053 #ifdef CONFIG_HARD_I2C
2054 uchar val[2] = {0,};
2057 if (i2c_read(0x66, 0, 1, val, 2)) {
2058 printf("i2c_read error\n");
2065 if (i2c_write(0x66, 0, 1, val, 2)) {
2066 printf("i2c_write error\n");
2069 i2c_read(0x66, 0, 1, val, 2);
2075 if (board_is_limo_universal() ||
2076 board_is_limo_real() ||
2078 /* check usb path */
2079 if (board_is_limo_real() && !hwrevision(6))
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);
2087 /* USB Path to AP */
2088 micro_usb_switch(0);
2094 #ifdef CONFIG_GENERIC_MMC
2095 int s5p_no_mmc_support(void)
2097 if (machine_is_wmg160())
2102 int board_mmc_init(bd_t *bis)
2106 struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
2109 /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
2110 if (machine_is_kessler())
2111 gpio_direction_output(&s5pc110_gpio->gpio_j2, 7, 1);
2113 if (machine_is_wmg160())
2116 /* MMC0 Clock source = SCLKMPLL */
2117 reg = readl(&clk->src4);
2120 writel(reg, &clk->src4);
2122 reg = readl(&clk->div4);
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) {
2134 writel(reg, &clk->div4);
2140 * GPG0[2] SD_0_CDn -> Not used
2141 * GPG0[3:6] SD_0_DATA[0:3]
2143 for (i = 0; i < 7; i++) {
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);
2154 return s5pc1xx_mmc_init(0);
2158 #ifdef CONFIG_CMD_PMIC
2159 static int pmic_status(void)
2161 unsigned char addr, val[2];
2164 i2c_set_bus_num(I2C_PMIC);
2166 if (i2c_probe(addr)) {
2167 printf("Can't found max8998\n");
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");
2177 printf("LDO%d %s\n", 5 - i,
2178 val[0] & (1 << i) ? "on" : "off");
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");
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");
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");
2198 static int pmic_ldo_control(int buck, int ldo, int safeout, int on)
2200 unsigned char addr, val[2];
2201 unsigned int reg, shift;
2209 } else if (ldo <= 13) {
2212 } else if (ldo <= 17) {
2214 shift = 17 - ldo + 4;
2221 shift = 4 - buck + 4;
2222 } else if (safeout) {
2226 shift = 8 - safeout;
2230 i2c_set_bus_num(I2C_PMIC);
2232 if (i2c_probe(addr)) {
2233 printf("Can't found max8998\n");
2237 i2c_read(addr, reg, 1, val, 1);
2239 val[0] |= (1 << shift);
2241 val[0] &= ~(1 << shift);
2242 i2c_write(addr, reg, 1, val, 1);
2243 i2c_read(addr, reg, 1, val, 1);
2246 printf("ldo %d value 0x%x, %s\n", ldo, val[0],
2247 val[0] & (1 << shift) ? "on" : "off");
2249 printf("buck %d value 0x%x, %s\n", buck, val[0],
2250 val[0] & (1 << shift) ? "on" : "off");
2252 printf("safeout %d value 0x%x, %s\n", safeout, val[0],
2253 val[0] & (1 << shift) ? "on" : "off");
2258 static int do_pmic(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
2260 int buck = 0, ldo = 0, safeout = 0, on = -1;
2264 if (strncmp(argv[1], "status", 6) == 0)
2265 return pmic_status();
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);
2277 if (strncmp(argv[3], "on", 2) == 0)
2279 else if (strncmp(argv[3], "off", 3) == 0)
2284 return pmic_ldo_control(buck, ldo, safeout, on);
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"
2304 #ifdef CONFIG_CMD_DEVICE_POWER
2318 static void power_display_devices(void)
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);
2331 static int power_hdmi(int on)
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);
2340 static int power_bt_wifi(int on)
2342 /* WLAN_BT_EN: GPB[5] */
2343 gpio_direction_output(&s5pc110_gpio->gpio_b, 5, on);
2347 static int power_fm_radio(int on)
2349 /* FM_BUS_nRST: GPJ2[5] */
2350 gpio_direction_output(&s5pc110_gpio->gpio_j2, 5, !on);
2354 static int power_audio_codec(int on)
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);
2363 static int power_haptic(int on)
2365 /* HAPTIC_ON: GPJ1[1] */
2366 gpio_direction_output(&s5pc110_gpio->gpio_j1, 1, on);
2370 static int power_lcd(int on)
2372 /* MLCD_ON: GPJ1[3] */
2373 gpio_direction_output(&s5pc110_gpio->gpio_j1, 3, on);
2377 static int power_touch(int on)
2379 /* TOUCH_EN: GPG3[6] */
2380 gpio_direction_output(&s5pc110_gpio->gpio_g3, 6, on);
2384 static int power_3_touchkey(int 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);
2392 gpio_direction_output(&s5pc110_gpio->gpio_j3, 5, on);
2394 /* 3_TOUCH_CE - GPJ2[6] */
2395 gpio_direction_output(&s5pc110_gpio->gpio_j2, 6, on); /* TOUCH_CE */
2397 /* 3_TOUCH_CE - GPJ2[6] */
2398 gpio_direction_output(&s5pc110_gpio->gpio_j2, 6, on); /* TOUCH_CE */
2403 unsigned char val[2];
2404 unsigned char addr = 0x20; /* mcs5000 3-touchkey */
2410 i2c_set_bus_num(I2C_GPIO10);
2412 /* Workaround to probe */
2413 if (i2c_probe(addr)) {
2414 if (i2c_probe(addr)) {
2415 printf("Can't found 3 touchkey\n");
2420 #define MCS5000_TK_HW_VERSION 0x06
2421 #define MCS5000_TK_FW_VERSION 0x0A
2422 #define MCS5000_TK_MI_VERSION 0x0B
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]);
2437 static int power_control(int device, int on)
2441 return power_touch(on);
2442 case POWER_3_TOUCHKEY:
2443 return power_3_touchkey(on);
2445 return power_lcd(on);
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);
2453 return power_bt_wifi(on);
2455 return power_hdmi(on);
2457 printf("I don't know device %d\n", device);
2463 static int power_on(int on)
2466 power_3_touchkey(on);
2469 power_audio_codec(on);
2477 static int do_power(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
2481 if (!machine_is_aquila())
2486 if (strncmp(argv[1], "on", 2) == 0)
2488 if (strncmp(argv[1], "off", 3) == 0)
2492 device = simple_strtoul(argv[1], NULL, 10);
2496 if (strncmp(argv[2], "on", 2) == 0)
2498 else if (strncmp(argv[2], "off", 3) == 0)
2502 return power_control(device, on);
2508 power_display_devices();
2513 power, CONFIG_SYS_MAXARGS, 1, do_power,
2514 "Device Power Management control",
2515 "device on/off - Turn on/off the device\n"
2518 static int do_microusb(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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");
2539 printf("USB Path is set to %s\n", getenv("usb"));
2545 microusb, CONFIG_SYS_MAXARGS, 1, do_microusb,
2547 "cp - switch to CP\n"
2548 "microusb ap - switch to AP\n"