xref: /openbmc/u-boot/board/samsung/trats2/trats2.c (revision 965de8b9)
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 	return 0;
76 }
77 #endif
78 
79 static void show_hw_revision(void)
80 {
81 	printf("HW Revision:\t0x%04x\n", board_rev);
82 }
83 
84 u32 get_board_rev(void)
85 {
86 	return board_rev;
87 }
88 
89 static inline u32 get_model_rev(void)
90 {
91 	return (board_rev >> 8) & 0xff;
92 }
93 
94 static void board_external_gpio_init(void)
95 {
96 	gpio2 = (struct exynos4x12_gpio_part2 *)samsung_get_base_gpio_part2();
97 
98 	/*
99 	 * some pins which in alive block are connected with external pull-up
100 	 * but it's default setting is pull-down.
101 	 * if that pin set as input then that floated
102 	 */
103 
104 	s5p_gpio_set_pull(&gpio2->x0, 2, GPIO_PULL_NONE);	/* PS_ALS_INT */
105 	s5p_gpio_set_pull(&gpio2->x0, 4, GPIO_PULL_NONE);	/* TSP_nINT */
106 	s5p_gpio_set_pull(&gpio2->x0, 7, GPIO_PULL_NONE);	/* AP_PMIC_IRQ*/
107 	s5p_gpio_set_pull(&gpio2->x1, 5, GPIO_PULL_NONE);	/* IF_PMIC_IRQ*/
108 	s5p_gpio_set_pull(&gpio2->x2, 0, GPIO_PULL_NONE);	/* VOL_UP */
109 	s5p_gpio_set_pull(&gpio2->x2, 1, GPIO_PULL_NONE);	/* VOL_DOWN */
110 	s5p_gpio_set_pull(&gpio2->x2, 3, GPIO_PULL_NONE);	/* FUEL_ALERT */
111 	s5p_gpio_set_pull(&gpio2->x2, 4, GPIO_PULL_NONE);	/* ADC_INT */
112 	s5p_gpio_set_pull(&gpio2->x2, 7, GPIO_PULL_NONE);	/* nPOWER */
113 	s5p_gpio_set_pull(&gpio2->x3, 0, GPIO_PULL_NONE);	/* WPC_INT */
114 	s5p_gpio_set_pull(&gpio2->x3, 5, GPIO_PULL_NONE);	/* OK_KEY */
115 	s5p_gpio_set_pull(&gpio2->x3, 7, GPIO_PULL_NONE);	/* HDMI_HPD */
116 }
117 
118 #ifdef CONFIG_SYS_I2C_INIT_BOARD
119 static void board_init_i2c(void)
120 {
121 	int err;
122 
123 	gpio1 = (struct exynos4x12_gpio_part1 *)samsung_get_base_gpio_part1();
124 	gpio2 = (struct exynos4x12_gpio_part2 *)samsung_get_base_gpio_part2();
125 
126 	/* I2C_7 */
127 	err = exynos_pinmux_config(PERIPH_ID_I2C7, PINMUX_FLAG_NONE);
128 	if (err) {
129 		debug("I2C%d not configured\n", (I2C_7));
130 		return;
131 	}
132 
133 	/* I2C_8 */
134 	s5p_gpio_direction_output(&gpio1->f1, 4, 1);
135 	s5p_gpio_direction_output(&gpio1->f1, 5, 1);
136 
137 	/* I2C_9 */
138 	s5p_gpio_direction_output(&gpio2->m2, 1, 1);
139 	s5p_gpio_direction_output(&gpio2->m2, 0, 1);
140 }
141 #endif
142 
143 #ifdef CONFIG_SYS_I2C_SOFT
144 int get_soft_i2c_scl_pin(void)
145 {
146 	if (I2C_ADAP_HWNR)
147 		return exynos4x12_gpio_part2_get_nr(m2, 1); /* I2C9 */
148 	else
149 		return exynos4x12_gpio_part1_get_nr(f1, 4); /* I2C8 */
150 }
151 
152 int get_soft_i2c_sda_pin(void)
153 {
154 	if (I2C_ADAP_HWNR)
155 		return exynos4x12_gpio_part2_get_nr(m2, 0); /* I2C9 */
156 	else
157 		return exynos4x12_gpio_part1_get_nr(f1, 5); /* I2C8 */
158 }
159 #endif
160 
161 int board_early_init_f(void)
162 {
163 	check_hw_revision();
164 	board_external_gpio_init();
165 
166 	gd->flags |= GD_FLG_DISABLE_CONSOLE;
167 
168 	return 0;
169 }
170 
171 static int pmic_init_max77686(void);
172 
173 int board_init(void)
174 {
175 	struct exynos4_power *pwr =
176 		(struct exynos4_power *)samsung_get_base_power();
177 
178 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
179 
180 	/* workaround: clear INFORM4..5 */
181 	writel(0, (unsigned int)&pwr->inform4);
182 	writel(0, (unsigned int)&pwr->inform5);
183 
184 	return 0;
185 }
186 
187 int power_init_board(void)
188 {
189 	int chrg;
190 	struct power_battery *pb;
191 	struct pmic *p_chrg, *p_muic, *p_fg, *p_bat;
192 
193 #ifdef CONFIG_SYS_I2C_INIT_BOARD
194 	board_init_i2c();
195 #endif
196 	pmic_init(I2C_7);		/* I2C adapter 7 - bus name s3c24x0_7 */
197 	pmic_init_max77686();
198 	pmic_init_max77693(I2C_9);	/* I2C adapter 9 - bus name soft1 */
199 	power_muic_init(I2C_9);		/* I2C adapter 9 - bus name soft1 */
200 	power_fg_init(I2C_8);		/* I2C adapter 8 - bus name soft0 */
201 	power_bat_init(0);
202 
203 	p_chrg = pmic_get("MAX77693_PMIC");
204 	if (!p_chrg) {
205 		puts("MAX77693_PMIC: Not found\n");
206 		return -ENODEV;
207 	}
208 
209 	p_muic = pmic_get("MAX77693_MUIC");
210 	if (!p_muic) {
211 		puts("MAX77693_MUIC: Not found\n");
212 		return -ENODEV;
213 	}
214 
215 	p_fg = pmic_get("MAX77693_FG");
216 	if (!p_fg) {
217 		puts("MAX17042_FG: Not found\n");
218 		return -ENODEV;
219 	}
220 
221 	if (p_chrg->chrg->chrg_bat_present(p_chrg) == 0)
222 		puts("No battery detected\n");
223 
224 	p_bat = pmic_get("BAT_TRATS2");
225 	if (!p_bat) {
226 		puts("BAT_TRATS2: Not found\n");
227 		return -ENODEV;
228 	}
229 
230 	p_fg->parent =  p_bat;
231 	p_chrg->parent = p_bat;
232 	p_muic->parent = p_bat;
233 
234 	p_bat->pbat->battery_init(p_bat, p_fg, p_chrg, p_muic);
235 
236 	pb = p_bat->pbat;
237 	chrg = p_muic->chrg->chrg_type(p_muic);
238 	debug("CHARGER TYPE: %d\n", chrg);
239 
240 	if (!p_chrg->chrg->chrg_bat_present(p_chrg)) {
241 		puts("No battery detected\n");
242 		return -1;
243 	}
244 
245 	p_fg->fg->fg_battery_check(p_fg, p_bat);
246 
247 	if (pb->bat->state == CHARGE && chrg == CHARGER_USB)
248 		puts("CHARGE Battery !\n");
249 
250 	return 0;
251 }
252 
253 int dram_init(void)
254 {
255 	u32 size_mb;
256 
257 	size_mb = (get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) +
258 		get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE) +
259 		get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE) +
260 		get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE)) >> 20;
261 
262 	gd->ram_size = size_mb << 20;
263 
264 	return 0;
265 }
266 
267 void dram_init_banksize(void)
268 {
269 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
270 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
271 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
272 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
273 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
274 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
275 	gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
276 	gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
277 }
278 
279 int board_mmc_init(bd_t *bis)
280 {
281 	int err0, err2 = 0;
282 
283 	gpio2 = (struct exynos4x12_gpio_part2 *)samsung_get_base_gpio_part2();
284 
285 	/* eMMC_EN: SD_0_CDn: GPK0[2] Output High */
286 	s5p_gpio_direction_output(&gpio2->k0, 2, 1);
287 	s5p_gpio_set_pull(&gpio2->k0, 2, GPIO_PULL_NONE);
288 
289 	/*
290 	 * eMMC GPIO:
291 	 * SDR 8-bit@48MHz at MMC0
292 	 * GPK0[0]      SD_0_CLK(2)
293 	 * GPK0[1]      SD_0_CMD(2)
294 	 * GPK0[2]      SD_0_CDn        -> Not used
295 	 * GPK0[3:6]    SD_0_DATA[0:3](2)
296 	 * GPK1[3:6]    SD_0_DATA[0:3](3)
297 	 *
298 	 * DDR 4-bit@26MHz at MMC4
299 	 * GPK0[0]      SD_4_CLK(3)
300 	 * GPK0[1]      SD_4_CMD(3)
301 	 * GPK0[2]      SD_4_CDn        -> Not used
302 	 * GPK0[3:6]    SD_4_DATA[0:3](3)
303 	 * GPK1[3:6]    SD_4_DATA[4:7](4)
304 	 */
305 
306 	err0 = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE);
307 
308 	/*
309 	 * MMC device init
310 	 * mmc0  : eMMC (8-bit buswidth)
311 	 * mmc2  : SD card (4-bit buswidth)
312 	 */
313 	if (err0)
314 		debug("SDMMC0 not configured\n");
315 	else
316 		err0 = s5p_mmc_init(0, 8);
317 
318 	/* T-flash detect */
319 	s5p_gpio_cfg_pin(&gpio2->x3, 4, 0xf);
320 	s5p_gpio_set_pull(&gpio2->x3, 4, GPIO_PULL_UP);
321 
322 	/*
323 	 * Check the T-flash  detect pin
324 	 * GPX3[4] T-flash detect pin
325 	 */
326 	if (!s5p_gpio_get_value(&gpio2->x3, 4)) {
327 		err2 = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE);
328 		if (err2)
329 			debug("SDMMC2 not configured\n");
330 		else
331 			err2 = s5p_mmc_init(2, 4);
332 	}
333 
334 	return err0 & err2;
335 }
336 
337 #ifdef CONFIG_USB_GADGET
338 static int s5pc210_phy_control(int on)
339 {
340 	int ret = 0;
341 	unsigned int val;
342 	struct pmic *p, *p_pmic, *p_muic;
343 
344 	p_pmic = pmic_get("MAX77686_PMIC");
345 	if (!p_pmic)
346 		return -ENODEV;
347 
348 	if (pmic_probe(p_pmic))
349 		return -1;
350 
351 	p_muic = pmic_get("MAX77693_MUIC");
352 	if (!p_muic)
353 		return -ENODEV;
354 
355 	if (pmic_probe(p_muic))
356 		return -1;
357 
358 	if (on) {
359 		ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_ON);
360 		if (ret)
361 			return -1;
362 
363 		p = pmic_get("MAX77693_PMIC");
364 		if (!p)
365 			return -ENODEV;
366 
367 		if (pmic_probe(p))
368 			return -1;
369 
370 		/* SAFEOUT */
371 		ret = pmic_reg_read(p, MAX77693_SAFEOUT, &val);
372 		if (ret)
373 			return -1;
374 
375 		val |= MAX77693_ENSAFEOUT1;
376 		ret = pmic_reg_write(p, MAX77693_SAFEOUT, val);
377 		if (ret)
378 			return -1;
379 
380 		/* PATH: USB */
381 		ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
382 			MAX77693_MUIC_CTRL1_DN1DP2);
383 
384 	} else {
385 		ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_LPM);
386 		if (ret)
387 			return -1;
388 
389 		/* PATH: UART */
390 		ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
391 			MAX77693_MUIC_CTRL1_UT1UR2);
392 	}
393 
394 	if (ret)
395 		return -1;
396 
397 	return 0;
398 }
399 
400 struct s3c_plat_otg_data s5pc210_otg_data = {
401 	.phy_control	= s5pc210_phy_control,
402 	.regs_phy	= EXYNOS4X12_USBPHY_BASE,
403 	.regs_otg	= EXYNOS4X12_USBOTG_BASE,
404 	.usb_phy_ctrl	= EXYNOS4X12_USBPHY_CONTROL,
405 	.usb_flags	= PHY0_SLEEP,
406 };
407 
408 int board_usb_init(int index, enum usb_init_type init)
409 {
410 	debug("USB_udc_probe\n");
411 	return s3c_udc_probe(&s5pc210_otg_data);
412 }
413 
414 #ifdef CONFIG_USB_CABLE_CHECK
415 int usb_cable_connected(void)
416 {
417 	struct pmic *muic = pmic_get("MAX77693_MUIC");
418 	if (!muic)
419 		return 0;
420 
421 	return !!muic->chrg->chrg_type(muic);
422 }
423 #endif
424 #endif
425 
426 static int pmic_init_max77686(void)
427 {
428 	struct pmic *p = pmic_get("MAX77686_PMIC");
429 
430 	if (pmic_probe(p))
431 		return -1;
432 
433 	/* BUCK/LDO Output Voltage */
434 	max77686_set_ldo_voltage(p, 21, 2800000);	/* LDO21 VTF_2.8V */
435 	max77686_set_ldo_voltage(p, 23, 3300000);	/* LDO23 TSP_AVDD_3.3V*/
436 	max77686_set_ldo_voltage(p, 24, 1800000);	/* LDO24 TSP_VDD_1.8V */
437 
438 	/* BUCK/LDO Output Mode */
439 	max77686_set_buck_mode(p, 1, OPMODE_STANDBY);	/* BUCK1 VMIF_1.1V_AP */
440 	max77686_set_buck_mode(p, 2, OPMODE_ON);	/* BUCK2 VARM_1.0V_AP */
441 	max77686_set_buck_mode(p, 3, OPMODE_ON);	/* BUCK3 VINT_1.0V_AP */
442 	max77686_set_buck_mode(p, 4, OPMODE_ON);	/* BUCK4 VG3D_1.0V_AP */
443 	max77686_set_buck_mode(p, 5, OPMODE_ON);	/* BUCK5 VMEM_1.2V_AP */
444 	max77686_set_buck_mode(p, 6, OPMODE_ON);	/* BUCK6 VCC_SUB_1.35V*/
445 	max77686_set_buck_mode(p, 7, OPMODE_ON);	/* BUCK7 VCC_SUB_2.0V */
446 	max77686_set_buck_mode(p, 8, OPMODE_OFF);	/* VMEM_VDDF_2.85V */
447 	max77686_set_buck_mode(p, 9, OPMODE_OFF);	/* CAM_ISP_CORE_1.2V*/
448 
449 	max77686_set_ldo_mode(p, 1, OPMODE_LPM);	/* LDO1 VALIVE_1.0V_AP*/
450 	max77686_set_ldo_mode(p, 2, OPMODE_STANDBY);	/* LDO2 VM1M2_1.2V_AP */
451 	max77686_set_ldo_mode(p, 3, OPMODE_LPM);	/* LDO3 VCC_1.8V_AP */
452 	max77686_set_ldo_mode(p, 4, OPMODE_LPM);	/* LDO4 VCC_2.8V_AP */
453 	max77686_set_ldo_mode(p, 5, OPMODE_OFF);	/* LDO5_VCC_1.8V_IO */
454 	max77686_set_ldo_mode(p, 6, OPMODE_STANDBY);	/* LDO6 VMPLL_1.0V_AP */
455 	max77686_set_ldo_mode(p, 7, OPMODE_STANDBY);	/* LDO7 VPLL_1.0V_AP */
456 	max77686_set_ldo_mode(p, 8, OPMODE_LPM);	/* LDO8 VMIPI_1.0V_AP */
457 	max77686_set_ldo_mode(p, 9, OPMODE_OFF);	/* CAM_ISP_MIPI_1.2*/
458 	max77686_set_ldo_mode(p, 10, OPMODE_LPM);	/* LDO10 VMIPI_1.8V_AP*/
459 	max77686_set_ldo_mode(p, 11, OPMODE_STANDBY);	/* LDO11 VABB1_1.8V_AP*/
460 	max77686_set_ldo_mode(p, 12, OPMODE_LPM);	/* LDO12 VUOTG_3.0V_AP*/
461 	max77686_set_ldo_mode(p, 13, OPMODE_OFF);	/* LDO13 VC2C_1.8V_AP */
462 	max77686_set_ldo_mode(p, 14, OPMODE_STANDBY);	/* VABB02_1.8V_AP */
463 	max77686_set_ldo_mode(p, 15, OPMODE_STANDBY);	/* LDO15 VHSIC_1.0V_AP*/
464 	max77686_set_ldo_mode(p, 16, OPMODE_STANDBY);	/* LDO16 VHSIC_1.8V_AP*/
465 	max77686_set_ldo_mode(p, 17, OPMODE_OFF);	/* CAM_SENSOR_CORE_1.2*/
466 	max77686_set_ldo_mode(p, 18, OPMODE_OFF);	/* CAM_ISP_SEN_IO_1.8V*/
467 	max77686_set_ldo_mode(p, 19, OPMODE_OFF);	/* LDO19 VT_CAM_1.8V */
468 	max77686_set_ldo_mode(p, 20, OPMODE_ON);	/* LDO20 VDDQ_PRE_1.8V*/
469 	max77686_set_ldo_mode(p, 21, OPMODE_OFF);	/* LDO21 VTF_2.8V */
470 	max77686_set_ldo_mode(p, 22, OPMODE_OFF);	/* LDO22 VMEM_VDD_2.8V*/
471 	max77686_set_ldo_mode(p, 23, OPMODE_OFF);	/* LDO23 TSP_AVDD_3.3V*/
472 	max77686_set_ldo_mode(p, 24, OPMODE_OFF);	/* LDO24 TSP_VDD_1.8V */
473 	max77686_set_ldo_mode(p, 25, OPMODE_OFF);	/* LDO25 VCC_3.3V_LCD */
474 	max77686_set_ldo_mode(p, 26, OPMODE_OFF);	/*LDO26 VCC_3.0V_MOTOR*/
475 
476 	return 0;
477 }
478 
479 /*
480  * LCD
481  */
482 
483 #ifdef CONFIG_LCD
484 static struct mipi_dsim_config dsim_config = {
485 	.e_interface		= DSIM_VIDEO,
486 	.e_virtual_ch		= DSIM_VIRTUAL_CH_0,
487 	.e_pixel_format		= DSIM_24BPP_888,
488 	.e_burst_mode		= DSIM_BURST_SYNC_EVENT,
489 	.e_no_data_lane		= DSIM_DATA_LANE_4,
490 	.e_byte_clk		= DSIM_PLL_OUT_DIV8,
491 	.hfp			= 1,
492 
493 	.p			= 3,
494 	.m			= 120,
495 	.s			= 1,
496 
497 	/* D-PHY PLL stable time spec :min = 200usec ~ max 400usec */
498 	.pll_stable_time	= 500,
499 
500 	/* escape clk : 10MHz */
501 	.esc_clk		= 20 * 1000000,
502 
503 	/* stop state holding counter after bta change count 0 ~ 0xfff */
504 	.stop_holding_cnt	= 0x7ff,
505 	/* bta timeout 0 ~ 0xff */
506 	.bta_timeout		= 0xff,
507 	/* lp rx timeout 0 ~ 0xffff */
508 	.rx_timeout		= 0xffff,
509 };
510 
511 static struct exynos_platform_mipi_dsim dsim_platform_data = {
512 	.lcd_panel_info = NULL,
513 	.dsim_config = &dsim_config,
514 };
515 
516 static struct mipi_dsim_lcd_device mipi_lcd_device = {
517 	.name	= "s6e8ax0",
518 	.id	= -1,
519 	.bus_id	= 0,
520 	.platform_data	= (void *)&dsim_platform_data,
521 };
522 
523 static int mipi_power(void)
524 {
525 	struct pmic *p = pmic_get("MAX77686_PMIC");
526 
527 	/* LDO8 VMIPI_1.0V_AP */
528 	max77686_set_ldo_mode(p, 8, OPMODE_ON);
529 	/* LDO10 VMIPI_1.8V_AP */
530 	max77686_set_ldo_mode(p, 10, OPMODE_ON);
531 
532 	return 0;
533 }
534 
535 void exynos_lcd_power_on(void)
536 {
537 	struct pmic *p = pmic_get("MAX77686_PMIC");
538 
539 	gpio1 = (struct exynos4x12_gpio_part1 *)samsung_get_base_gpio_part1();
540 
541 	/* LCD_2.2V_EN: GPC0[1] */
542 	s5p_gpio_set_pull(&gpio1->c0, 1, GPIO_PULL_UP);
543 	s5p_gpio_direction_output(&gpio1->c0, 1, 1);
544 
545 	/* LDO25 VCC_3.1V_LCD */
546 	pmic_probe(p);
547 	max77686_set_ldo_voltage(p, 25, 3100000);
548 	max77686_set_ldo_mode(p, 25, OPMODE_LPM);
549 }
550 
551 void exynos_reset_lcd(void)
552 {
553 	gpio1 = (struct exynos4x12_gpio_part1 *)samsung_get_base_gpio_part1();
554 
555 	/* reset lcd */
556 	s5p_gpio_direction_output(&gpio1->f2, 1, 0);
557 	udelay(10);
558 	s5p_gpio_set_value(&gpio1->f2, 1, 1);
559 }
560 
561 vidinfo_t panel_info = {
562 	.vl_freq	= 60,
563 	.vl_col		= 720,
564 	.vl_row		= 1280,
565 	.vl_width	= 720,
566 	.vl_height	= 1280,
567 	.vl_clkp	= CONFIG_SYS_HIGH,
568 	.vl_hsp		= CONFIG_SYS_LOW,
569 	.vl_vsp		= CONFIG_SYS_LOW,
570 	.vl_dp		= CONFIG_SYS_LOW,
571 	.vl_bpix	= 5,	/* Bits per pixel, 2^5 = 32 */
572 
573 	/* s6e8ax0 Panel infomation */
574 	.vl_hspw	= 5,
575 	.vl_hbpd	= 10,
576 	.vl_hfpd	= 10,
577 
578 	.vl_vspw	= 2,
579 	.vl_vbpd	= 1,
580 	.vl_vfpd	= 13,
581 	.vl_cmd_allow_len = 0xf,
582 	.mipi_enabled = 1,
583 
584 	.dual_lcd_enabled = 0,
585 
586 	.init_delay	= 0,
587 	.power_on_delay = 25,
588 	.reset_delay	= 0,
589 	.interface_mode = FIMD_RGB_INTERFACE,
590 };
591 
592 void init_panel_info(vidinfo_t *vid)
593 {
594 	vid->logo_on	= 1;
595 	vid->resolution	= HD_RESOLUTION;
596 	vid->rgb_mode	= MODE_RGB_P;
597 
598 	vid->power_on_delay = 30;
599 
600 	mipi_lcd_device.reverse_panel = 1;
601 
602 #ifdef CONFIG_TIZEN
603 	get_tizen_logo_info(vid);
604 #endif
605 
606 	strcpy(dsim_platform_data.lcd_panel_name, mipi_lcd_device.name);
607 	dsim_platform_data.mipi_power = mipi_power;
608 	dsim_platform_data.phy_enable = set_mipi_phy_ctrl;
609 	dsim_platform_data.lcd_panel_info = (void *)vid;
610 	exynos_mipi_dsi_register_lcd_device(&mipi_lcd_device);
611 
612 	s6e8ax0_init();
613 
614 	exynos_set_dsim_platform_data(&dsim_platform_data);
615 }
616 #endif /* LCD */
617 
618 #ifdef CONFIG_MISC_INIT_R
619 int misc_init_r(void)
620 {
621 	setenv("model", "GT-I8800");
622 	setenv("board", "TRATS2");
623 
624 	show_hw_revision();
625 
626 	return 0;
627 }
628 #endif
629