xref: /rk3399_rockchip-uboot/board/samsung/trats2/trats2.c (revision 2df21cb3ea478766ee4a8d9f0dc6640a58df721b)
1 /*
2  * Copyright (c) 2013 Samsung Electronics Co., Ltd. All rights reserved.
3  * Sanghee Kim <sh0130.kim@samsung.com>
4  * Piotr Wilczek <p.wilczek@samsung.com>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <common.h>
10 #include <lcd.h>
11 #include <asm/io.h>
12 #include <asm/arch/gpio.h>
13 #include <asm/arch/mmc.h>
14 #include <asm/arch/power.h>
15 #include <asm/arch/clk.h>
16 #include <asm/arch/clock.h>
17 #include <asm/arch/mipi_dsim.h>
18 #include <asm/arch/pinmux.h>
19 #include <asm/arch/power.h>
20 #include <power/pmic.h>
21 #include <power/max77686_pmic.h>
22 #include <power/battery.h>
23 #include <power/max77693_pmic.h>
24 #include <power/max77693_muic.h>
25 #include <power/max77693_fg.h>
26 #include <libtizen.h>
27 #include <errno.h>
28 #include <usb.h>
29 #include <usb/s3c_udc.h>
30 #include <usb_mass_storage.h>
31 
32 DECLARE_GLOBAL_DATA_PTR;
33 
34 static struct exynos4x12_gpio_part1 *gpio1;
35 static struct exynos4x12_gpio_part2 *gpio2;
36 
37 static unsigned int board_rev = -1;
38 
39 static inline u32 get_model_rev(void);
40 
41 static void check_hw_revision(void)
42 {
43 	int modelrev = 0;
44 	int i;
45 
46 	gpio2 = (struct exynos4x12_gpio_part2 *)samsung_get_base_gpio_part2();
47 
48 	/*
49 	 * GPM1[1:0]: MODEL_REV[1:0]
50 	 * Don't set as pull-none for these N/C pin.
51 	 * TRM say that it may cause unexcepted state and leakage current.
52 	 * and pull-none is only for output function.
53 	 */
54 	for (i = 0; i < 2; i++)
55 		s5p_gpio_cfg_pin(&gpio2->m1, i, GPIO_INPUT);
56 
57 	/* GPM1[5:2]: HW_REV[3:0] */
58 	for (i = 2; i < 6; i++) {
59 		s5p_gpio_cfg_pin(&gpio2->m1, i, GPIO_INPUT);
60 		s5p_gpio_set_pull(&gpio2->m1, i, GPIO_PULL_NONE);
61 	}
62 
63 	/* GPM1[1:0]: MODEL_REV[1:0] */
64 	for (i = 0; i < 2; i++)
65 		modelrev |= (s5p_gpio_get_value(&gpio2->m1, i) << i);
66 
67 	/* board_rev[15:8] = model */
68 	board_rev = modelrev << 8;
69 }
70 
71 #ifdef CONFIG_DISPLAY_BOARDINFO
72 int checkboard(void)
73 {
74 	puts("Board:\tTRATS2\n");
75 	printf("HW Revision:\t0x%04x\n", board_rev);
76 
77 	return 0;
78 }
79 #endif
80 
81 u32 get_board_rev(void)
82 {
83 	return board_rev;
84 }
85 
86 static inline u32 get_model_rev(void)
87 {
88 	return (board_rev >> 8) & 0xff;
89 }
90 
91 static void board_external_gpio_init(void)
92 {
93 	gpio2 = (struct exynos4x12_gpio_part2 *)samsung_get_base_gpio_part2();
94 
95 	/*
96 	 * some pins which in alive block are connected with external pull-up
97 	 * but it's default setting is pull-down.
98 	 * if that pin set as input then that floated
99 	 */
100 
101 	s5p_gpio_set_pull(&gpio2->x0, 2, GPIO_PULL_NONE);	/* PS_ALS_INT */
102 	s5p_gpio_set_pull(&gpio2->x0, 4, GPIO_PULL_NONE);	/* TSP_nINT */
103 	s5p_gpio_set_pull(&gpio2->x0, 7, GPIO_PULL_NONE);	/* AP_PMIC_IRQ*/
104 	s5p_gpio_set_pull(&gpio2->x1, 5, GPIO_PULL_NONE);	/* IF_PMIC_IRQ*/
105 	s5p_gpio_set_pull(&gpio2->x2, 0, GPIO_PULL_NONE);	/* VOL_UP */
106 	s5p_gpio_set_pull(&gpio2->x2, 1, GPIO_PULL_NONE);	/* VOL_DOWN */
107 	s5p_gpio_set_pull(&gpio2->x2, 3, GPIO_PULL_NONE);	/* FUEL_ALERT */
108 	s5p_gpio_set_pull(&gpio2->x2, 4, GPIO_PULL_NONE);	/* ADC_INT */
109 	s5p_gpio_set_pull(&gpio2->x2, 7, GPIO_PULL_NONE);	/* nPOWER */
110 	s5p_gpio_set_pull(&gpio2->x3, 0, GPIO_PULL_NONE);	/* WPC_INT */
111 	s5p_gpio_set_pull(&gpio2->x3, 5, GPIO_PULL_NONE);	/* OK_KEY */
112 	s5p_gpio_set_pull(&gpio2->x3, 7, GPIO_PULL_NONE);	/* HDMI_HPD */
113 }
114 
115 #ifdef CONFIG_SYS_I2C_INIT_BOARD
116 static void board_init_i2c(void)
117 {
118 	int err;
119 
120 	gpio1 = (struct exynos4x12_gpio_part1 *)samsung_get_base_gpio_part1();
121 	gpio2 = (struct exynos4x12_gpio_part2 *)samsung_get_base_gpio_part2();
122 
123 	/* I2C_7 */
124 	err = exynos_pinmux_config(PERIPH_ID_I2C7, PINMUX_FLAG_NONE);
125 	if (err) {
126 		debug("I2C%d not configured\n", (I2C_7));
127 		return;
128 	}
129 
130 	/* I2C_8 */
131 	s5p_gpio_direction_output(&gpio1->f1, 4, 1);
132 	s5p_gpio_direction_output(&gpio1->f1, 5, 1);
133 
134 	/* I2C_9 */
135 	s5p_gpio_direction_output(&gpio2->m2, 1, 1);
136 	s5p_gpio_direction_output(&gpio2->m2, 0, 1);
137 }
138 #endif
139 
140 #ifdef CONFIG_SYS_I2C_SOFT
141 int get_soft_i2c_scl_pin(void)
142 {
143 	if (I2C_ADAP_HWNR)
144 		return exynos4x12_gpio_get(2, m2, 1); /* I2C9 */
145 	else
146 		return exynos4x12_gpio_get(1, f1, 4); /* I2C8 */
147 }
148 
149 int get_soft_i2c_sda_pin(void)
150 {
151 	if (I2C_ADAP_HWNR)
152 		return exynos4x12_gpio_get(2, m2, 0); /* I2C9 */
153 	else
154 		return exynos4x12_gpio_get(1, f1, 5); /* I2C8 */
155 }
156 #endif
157 
158 int board_early_init_f(void)
159 {
160 	check_hw_revision();
161 	board_external_gpio_init();
162 
163 	gd->flags |= GD_FLG_DISABLE_CONSOLE;
164 
165 	return 0;
166 }
167 
168 static int pmic_init_max77686(void);
169 
170 int board_init(void)
171 {
172 	struct exynos4_power *pwr =
173 		(struct exynos4_power *)samsung_get_base_power();
174 
175 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
176 
177 	/* workaround: clear INFORM4..5 */
178 	writel(0, (unsigned int)&pwr->inform4);
179 	writel(0, (unsigned int)&pwr->inform5);
180 
181 	return 0;
182 }
183 
184 int power_init_board(void)
185 {
186 	int chrg;
187 	struct power_battery *pb;
188 	struct pmic *p_chrg, *p_muic, *p_fg, *p_bat;
189 
190 #ifdef CONFIG_SYS_I2C_INIT_BOARD
191 	board_init_i2c();
192 #endif
193 	pmic_init(I2C_7);		/* I2C adapter 7 - bus name s3c24x0_7 */
194 	pmic_init_max77686();
195 	pmic_init_max77693(I2C_10);	/* I2C adapter 10 - bus name soft1 */
196 	power_muic_init(I2C_10);	/* I2C adapter 10 - bus name soft1 */
197 	power_fg_init(I2C_9);		/* I2C adapter 9 - bus name soft0 */
198 	power_bat_init(0);
199 
200 	p_chrg = pmic_get("MAX77693_PMIC");
201 	if (!p_chrg) {
202 		puts("MAX77693_PMIC: Not found\n");
203 		return -ENODEV;
204 	}
205 
206 	p_muic = pmic_get("MAX77693_MUIC");
207 	if (!p_muic) {
208 		puts("MAX77693_MUIC: Not found\n");
209 		return -ENODEV;
210 	}
211 
212 	p_fg = pmic_get("MAX77693_FG");
213 	if (!p_fg) {
214 		puts("MAX17042_FG: Not found\n");
215 		return -ENODEV;
216 	}
217 
218 	if (p_chrg->chrg->chrg_bat_present(p_chrg) == 0)
219 		puts("No battery detected\n");
220 
221 	p_bat = pmic_get("BAT_TRATS2");
222 	if (!p_bat) {
223 		puts("BAT_TRATS2: Not found\n");
224 		return -ENODEV;
225 	}
226 
227 	p_fg->parent =  p_bat;
228 	p_chrg->parent = p_bat;
229 	p_muic->parent = p_bat;
230 
231 	p_bat->pbat->battery_init(p_bat, p_fg, p_chrg, p_muic);
232 
233 	pb = p_bat->pbat;
234 	chrg = p_muic->chrg->chrg_type(p_muic);
235 	debug("CHARGER TYPE: %d\n", chrg);
236 
237 	if (!p_chrg->chrg->chrg_bat_present(p_chrg)) {
238 		puts("No battery detected\n");
239 		return -1;
240 	}
241 
242 	p_fg->fg->fg_battery_check(p_fg, p_bat);
243 
244 	if (pb->bat->state == CHARGE && chrg == CHARGER_USB)
245 		puts("CHARGE Battery !\n");
246 
247 	return 0;
248 }
249 
250 int dram_init(void)
251 {
252 	u32 size_mb;
253 
254 	size_mb = (get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) +
255 		get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE) +
256 		get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE) +
257 		get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE)) >> 20;
258 
259 	gd->ram_size = size_mb << 20;
260 
261 	return 0;
262 }
263 
264 void dram_init_banksize(void)
265 {
266 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
267 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
268 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
269 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
270 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
271 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
272 	gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
273 	gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
274 }
275 
276 int board_mmc_init(bd_t *bis)
277 {
278 	int err0, err2 = 0;
279 
280 	gpio2 = (struct exynos4x12_gpio_part2 *)samsung_get_base_gpio_part2();
281 
282 	/* eMMC_EN: SD_0_CDn: GPK0[2] Output High */
283 	s5p_gpio_direction_output(&gpio2->k0, 2, 1);
284 	s5p_gpio_set_pull(&gpio2->k0, 2, GPIO_PULL_NONE);
285 
286 	/*
287 	 * eMMC GPIO:
288 	 * SDR 8-bit@48MHz at MMC0
289 	 * GPK0[0]      SD_0_CLK(2)
290 	 * GPK0[1]      SD_0_CMD(2)
291 	 * GPK0[2]      SD_0_CDn        -> Not used
292 	 * GPK0[3:6]    SD_0_DATA[0:3](2)
293 	 * GPK1[3:6]    SD_0_DATA[0:3](3)
294 	 *
295 	 * DDR 4-bit@26MHz at MMC4
296 	 * GPK0[0]      SD_4_CLK(3)
297 	 * GPK0[1]      SD_4_CMD(3)
298 	 * GPK0[2]      SD_4_CDn        -> Not used
299 	 * GPK0[3:6]    SD_4_DATA[0:3](3)
300 	 * GPK1[3:6]    SD_4_DATA[4:7](4)
301 	 */
302 
303 	err0 = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE);
304 
305 	/*
306 	 * MMC device init
307 	 * mmc0  : eMMC (8-bit buswidth)
308 	 * mmc2  : SD card (4-bit buswidth)
309 	 */
310 	if (err0)
311 		debug("SDMMC0 not configured\n");
312 	else
313 		err0 = s5p_mmc_init(0, 8);
314 
315 	/* T-flash detect */
316 	s5p_gpio_cfg_pin(&gpio2->x3, 4, 0xf);
317 	s5p_gpio_set_pull(&gpio2->x3, 4, GPIO_PULL_UP);
318 
319 	/*
320 	 * Check the T-flash  detect pin
321 	 * GPX3[4] T-flash detect pin
322 	 */
323 	if (!s5p_gpio_get_value(&gpio2->x3, 4)) {
324 		err2 = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE);
325 		if (err2)
326 			debug("SDMMC2 not configured\n");
327 		else
328 			err2 = s5p_mmc_init(2, 4);
329 	}
330 
331 	return err0 & err2;
332 }
333 
334 #ifdef CONFIG_USB_GADGET
335 static int s5pc210_phy_control(int on)
336 {
337 	int ret = 0;
338 	unsigned int val;
339 	struct pmic *p, *p_pmic, *p_muic;
340 
341 	p_pmic = pmic_get("MAX77686_PMIC");
342 	if (!p_pmic)
343 		return -ENODEV;
344 
345 	if (pmic_probe(p_pmic))
346 		return -1;
347 
348 	p_muic = pmic_get("MAX77693_MUIC");
349 	if (!p_muic)
350 		return -ENODEV;
351 
352 	if (pmic_probe(p_muic))
353 		return -1;
354 
355 	if (on) {
356 		ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_ON);
357 		if (ret)
358 			return -1;
359 
360 		p = pmic_get("MAX77693_PMIC");
361 		if (!p)
362 			return -ENODEV;
363 
364 		if (pmic_probe(p))
365 			return -1;
366 
367 		/* SAFEOUT */
368 		ret = pmic_reg_read(p, MAX77693_SAFEOUT, &val);
369 		if (ret)
370 			return -1;
371 
372 		val |= MAX77693_ENSAFEOUT1;
373 		ret = pmic_reg_write(p, MAX77693_SAFEOUT, val);
374 		if (ret)
375 			return -1;
376 
377 		/* PATH: USB */
378 		ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
379 			MAX77693_MUIC_CTRL1_DN1DP2);
380 
381 	} else {
382 		ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_LPM);
383 		if (ret)
384 			return -1;
385 
386 		/* PATH: UART */
387 		ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
388 			MAX77693_MUIC_CTRL1_UT1UR2);
389 	}
390 
391 	if (ret)
392 		return -1;
393 
394 	return 0;
395 }
396 
397 struct s3c_plat_otg_data s5pc210_otg_data = {
398 	.phy_control	= s5pc210_phy_control,
399 	.regs_phy	= EXYNOS4X12_USBPHY_BASE,
400 	.regs_otg	= EXYNOS4X12_USBOTG_BASE,
401 	.usb_phy_ctrl	= EXYNOS4X12_USBPHY_CONTROL,
402 	.usb_flags	= PHY0_SLEEP,
403 };
404 
405 int board_usb_init(int index, enum usb_init_type init)
406 {
407 	debug("USB_udc_probe\n");
408 	return s3c_udc_probe(&s5pc210_otg_data);
409 }
410 
411 #ifdef CONFIG_USB_CABLE_CHECK
412 int usb_cable_connected(void)
413 {
414 	struct pmic *muic = pmic_get("MAX77693_MUIC");
415 	if (!muic)
416 		return 0;
417 
418 	return !!muic->chrg->chrg_type(muic);
419 }
420 #endif
421 #endif
422 
423 static int pmic_init_max77686(void)
424 {
425 	struct pmic *p = pmic_get("MAX77686_PMIC");
426 
427 	if (pmic_probe(p))
428 		return -1;
429 
430 	/* BUCK/LDO Output Voltage */
431 	max77686_set_ldo_voltage(p, 21, 2800000);	/* LDO21 VTF_2.8V */
432 	max77686_set_ldo_voltage(p, 23, 3300000);	/* LDO23 TSP_AVDD_3.3V*/
433 	max77686_set_ldo_voltage(p, 24, 1800000);	/* LDO24 TSP_VDD_1.8V */
434 
435 	/* BUCK/LDO Output Mode */
436 	max77686_set_buck_mode(p, 1, OPMODE_STANDBY);	/* BUCK1 VMIF_1.1V_AP */
437 	max77686_set_buck_mode(p, 2, OPMODE_ON);	/* BUCK2 VARM_1.0V_AP */
438 	max77686_set_buck_mode(p, 3, OPMODE_ON);	/* BUCK3 VINT_1.0V_AP */
439 	max77686_set_buck_mode(p, 4, OPMODE_ON);	/* BUCK4 VG3D_1.0V_AP */
440 	max77686_set_buck_mode(p, 5, OPMODE_ON);	/* BUCK5 VMEM_1.2V_AP */
441 	max77686_set_buck_mode(p, 6, OPMODE_ON);	/* BUCK6 VCC_SUB_1.35V*/
442 	max77686_set_buck_mode(p, 7, OPMODE_ON);	/* BUCK7 VCC_SUB_2.0V */
443 	max77686_set_buck_mode(p, 8, OPMODE_OFF);	/* VMEM_VDDF_2.85V */
444 	max77686_set_buck_mode(p, 9, OPMODE_OFF);	/* CAM_ISP_CORE_1.2V*/
445 
446 	max77686_set_ldo_mode(p, 1, OPMODE_LPM);	/* LDO1 VALIVE_1.0V_AP*/
447 	max77686_set_ldo_mode(p, 2, OPMODE_STANDBY);	/* LDO2 VM1M2_1.2V_AP */
448 	max77686_set_ldo_mode(p, 3, OPMODE_LPM);	/* LDO3 VCC_1.8V_AP */
449 	max77686_set_ldo_mode(p, 4, OPMODE_LPM);	/* LDO4 VCC_2.8V_AP */
450 	max77686_set_ldo_mode(p, 5, OPMODE_OFF);	/* LDO5_VCC_1.8V_IO */
451 	max77686_set_ldo_mode(p, 6, OPMODE_STANDBY);	/* LDO6 VMPLL_1.0V_AP */
452 	max77686_set_ldo_mode(p, 7, OPMODE_STANDBY);	/* LDO7 VPLL_1.0V_AP */
453 	max77686_set_ldo_mode(p, 8, OPMODE_LPM);	/* LDO8 VMIPI_1.0V_AP */
454 	max77686_set_ldo_mode(p, 9, OPMODE_OFF);	/* CAM_ISP_MIPI_1.2*/
455 	max77686_set_ldo_mode(p, 10, OPMODE_LPM);	/* LDO10 VMIPI_1.8V_AP*/
456 	max77686_set_ldo_mode(p, 11, OPMODE_STANDBY);	/* LDO11 VABB1_1.8V_AP*/
457 	max77686_set_ldo_mode(p, 12, OPMODE_LPM);	/* LDO12 VUOTG_3.0V_AP*/
458 	max77686_set_ldo_mode(p, 13, OPMODE_OFF);	/* LDO13 VC2C_1.8V_AP */
459 	max77686_set_ldo_mode(p, 14, OPMODE_STANDBY);	/* VABB02_1.8V_AP */
460 	max77686_set_ldo_mode(p, 15, OPMODE_STANDBY);	/* LDO15 VHSIC_1.0V_AP*/
461 	max77686_set_ldo_mode(p, 16, OPMODE_STANDBY);	/* LDO16 VHSIC_1.8V_AP*/
462 	max77686_set_ldo_mode(p, 17, OPMODE_OFF);	/* CAM_SENSOR_CORE_1.2*/
463 	max77686_set_ldo_mode(p, 18, OPMODE_OFF);	/* CAM_ISP_SEN_IO_1.8V*/
464 	max77686_set_ldo_mode(p, 19, OPMODE_OFF);	/* LDO19 VT_CAM_1.8V */
465 	max77686_set_ldo_mode(p, 20, OPMODE_ON);	/* LDO20 VDDQ_PRE_1.8V*/
466 	max77686_set_ldo_mode(p, 21, OPMODE_OFF);	/* LDO21 VTF_2.8V */
467 	max77686_set_ldo_mode(p, 22, OPMODE_OFF);	/* LDO22 VMEM_VDD_2.8V*/
468 	max77686_set_ldo_mode(p, 23, OPMODE_OFF);	/* LDO23 TSP_AVDD_3.3V*/
469 	max77686_set_ldo_mode(p, 24, OPMODE_OFF);	/* LDO24 TSP_VDD_1.8V */
470 	max77686_set_ldo_mode(p, 25, OPMODE_OFF);	/* LDO25 VCC_3.3V_LCD */
471 	max77686_set_ldo_mode(p, 26, OPMODE_OFF);	/*LDO26 VCC_3.0V_MOTOR*/
472 
473 	return 0;
474 }
475 
476 /*
477  * LCD
478  */
479 
480 #ifdef CONFIG_LCD
481 static struct mipi_dsim_config dsim_config = {
482 	.e_interface		= DSIM_VIDEO,
483 	.e_virtual_ch		= DSIM_VIRTUAL_CH_0,
484 	.e_pixel_format		= DSIM_24BPP_888,
485 	.e_burst_mode		= DSIM_BURST_SYNC_EVENT,
486 	.e_no_data_lane		= DSIM_DATA_LANE_4,
487 	.e_byte_clk		= DSIM_PLL_OUT_DIV8,
488 	.hfp			= 1,
489 
490 	.p			= 3,
491 	.m			= 120,
492 	.s			= 1,
493 
494 	/* D-PHY PLL stable time spec :min = 200usec ~ max 400usec */
495 	.pll_stable_time	= 500,
496 
497 	/* escape clk : 10MHz */
498 	.esc_clk		= 20 * 1000000,
499 
500 	/* stop state holding counter after bta change count 0 ~ 0xfff */
501 	.stop_holding_cnt	= 0x7ff,
502 	/* bta timeout 0 ~ 0xff */
503 	.bta_timeout		= 0xff,
504 	/* lp rx timeout 0 ~ 0xffff */
505 	.rx_timeout		= 0xffff,
506 };
507 
508 static struct exynos_platform_mipi_dsim dsim_platform_data = {
509 	.lcd_panel_info = NULL,
510 	.dsim_config = &dsim_config,
511 };
512 
513 static struct mipi_dsim_lcd_device mipi_lcd_device = {
514 	.name	= "s6e8ax0",
515 	.id	= -1,
516 	.bus_id	= 0,
517 	.platform_data	= (void *)&dsim_platform_data,
518 };
519 
520 static int mipi_power(void)
521 {
522 	struct pmic *p = pmic_get("MAX77686_PMIC");
523 
524 	/* LDO8 VMIPI_1.0V_AP */
525 	max77686_set_ldo_mode(p, 8, OPMODE_ON);
526 	/* LDO10 VMIPI_1.8V_AP */
527 	max77686_set_ldo_mode(p, 10, OPMODE_ON);
528 
529 	return 0;
530 }
531 
532 void exynos_lcd_power_on(void)
533 {
534 	struct pmic *p = pmic_get("MAX77686_PMIC");
535 
536 	gpio1 = (struct exynos4x12_gpio_part1 *)samsung_get_base_gpio_part1();
537 
538 	/* LCD_2.2V_EN: GPC0[1] */
539 	s5p_gpio_set_pull(&gpio1->c0, 1, GPIO_PULL_UP);
540 	s5p_gpio_direction_output(&gpio1->c0, 1, 1);
541 
542 	/* LDO25 VCC_3.1V_LCD */
543 	pmic_probe(p);
544 	max77686_set_ldo_voltage(p, 25, 3100000);
545 	max77686_set_ldo_mode(p, 25, OPMODE_LPM);
546 }
547 
548 void exynos_reset_lcd(void)
549 {
550 	gpio1 = (struct exynos4x12_gpio_part1 *)samsung_get_base_gpio_part1();
551 
552 	/* reset lcd */
553 	s5p_gpio_direction_output(&gpio1->f2, 1, 0);
554 	udelay(10);
555 	s5p_gpio_set_value(&gpio1->f2, 1, 1);
556 }
557 
558 vidinfo_t panel_info = {
559 	.vl_freq	= 60,
560 	.vl_col		= 720,
561 	.vl_row		= 1280,
562 	.vl_width	= 720,
563 	.vl_height	= 1280,
564 	.vl_clkp	= CONFIG_SYS_HIGH,
565 	.vl_hsp		= CONFIG_SYS_LOW,
566 	.vl_vsp		= CONFIG_SYS_LOW,
567 	.vl_dp		= CONFIG_SYS_LOW,
568 	.vl_bpix	= 4,	/* Bits per pixel, 2^4 = 16 */
569 
570 	/* s6e8ax0 Panel infomation */
571 	.vl_hspw	= 5,
572 	.vl_hbpd	= 10,
573 	.vl_hfpd	= 10,
574 
575 	.vl_vspw	= 2,
576 	.vl_vbpd	= 1,
577 	.vl_vfpd	= 13,
578 	.vl_cmd_allow_len = 0xf,
579 	.mipi_enabled = 1,
580 
581 	.dual_lcd_enabled = 0,
582 
583 	.init_delay	= 0,
584 	.power_on_delay = 25,
585 	.reset_delay	= 0,
586 	.interface_mode = FIMD_RGB_INTERFACE,
587 };
588 
589 void init_panel_info(vidinfo_t *vid)
590 {
591 	vid->logo_on	= 1;
592 	vid->resolution	= HD_RESOLUTION;
593 	vid->rgb_mode	= MODE_RGB_P;
594 
595 	vid->power_on_delay = 30;
596 
597 	mipi_lcd_device.reverse_panel = 1;
598 
599 #ifdef CONFIG_TIZEN
600 	get_tizen_logo_info(vid);
601 #endif
602 
603 	strcpy(dsim_platform_data.lcd_panel_name, mipi_lcd_device.name);
604 	dsim_platform_data.mipi_power = mipi_power;
605 	dsim_platform_data.phy_enable = set_mipi_phy_ctrl;
606 	dsim_platform_data.lcd_panel_info = (void *)vid;
607 	exynos_mipi_dsi_register_lcd_device(&mipi_lcd_device);
608 
609 	s6e8ax0_init();
610 
611 	exynos_set_dsim_platform_data(&dsim_platform_data);
612 }
613 #endif /* LCD */
614 
615 #ifdef CONFIG_MISC_INIT_R
616 int misc_init_r(void)
617 {
618 #ifdef CONFIG_CMD_BMP
619 	if (panel_info.logo_on)
620 		draw_logo();
621 #endif
622 	return 0;
623 }
624 #endif
625