xref: /openbmc/u-boot/board/samsung/trats/trats.c (revision aa04fef4)
1 /*
2  * Copyright (C) 2011 Samsung Electronics
3  * Heungjun Kim <riverful.kim@samsung.com>
4  * Kyungmin Park <kyungmin.park@samsung.com>
5  * Donghwa Lee <dh09.lee@samsung.com>
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #include <common.h>
11 #include <lcd.h>
12 #include <asm/io.h>
13 #include <asm/arch/cpu.h>
14 #include <asm/arch/gpio.h>
15 #include <asm/arch/mmc.h>
16 #include <asm/arch/pinmux.h>
17 #include <asm/arch/clock.h>
18 #include <asm/arch/clk.h>
19 #include <asm/arch/mipi_dsim.h>
20 #include <asm/arch/watchdog.h>
21 #include <asm/arch/power.h>
22 #include <power/pmic.h>
23 #include <usb/s3c_udc.h>
24 #include <power/max8997_pmic.h>
25 #include <libtizen.h>
26 #include <power/max8997_muic.h>
27 #include <power/battery.h>
28 #include <power/max17042_fg.h>
29 #include <usb_mass_storage.h>
30 
31 #include "setup.h"
32 
33 DECLARE_GLOBAL_DATA_PTR;
34 
35 unsigned int board_rev;
36 
37 #ifdef CONFIG_REVISION_TAG
38 u32 get_board_rev(void)
39 {
40 	return board_rev;
41 }
42 #endif
43 
44 static void check_hw_revision(void);
45 struct s3c_plat_otg_data s5pc210_otg_data;
46 
47 int board_init(void)
48 {
49 	gd->bd->bi_boot_params = CONFIG_SYS_SPL_ARGS_ADDR;
50 
51 	check_hw_revision();
52 	printf("HW Revision:\t0x%x\n", board_rev);
53 
54 	return 0;
55 }
56 
57 void i2c_init_board(void)
58 {
59 	struct exynos4_gpio_part1 *gpio1 =
60 		(struct exynos4_gpio_part1 *)samsung_get_base_gpio_part1();
61 	struct exynos4_gpio_part2 *gpio2 =
62 		(struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2();
63 
64 	/* I2C_5 -> PMIC -> Adapter 0 */
65 	s5p_gpio_direction_output(&gpio1->b, 7, 1);
66 	s5p_gpio_direction_output(&gpio1->b, 6, 1);
67 	/* I2C_9 -> FG -> Adapter 1 */
68 	s5p_gpio_direction_output(&gpio2->y4, 0, 1);
69 	s5p_gpio_direction_output(&gpio2->y4, 1, 1);
70 }
71 
72 static void trats_low_power_mode(void)
73 {
74 	struct exynos4_clock *clk =
75 	    (struct exynos4_clock *)samsung_get_base_clock();
76 	struct exynos4_power *pwr =
77 	    (struct exynos4_power *)samsung_get_base_power();
78 
79 	/* Power down CORE1 */
80 	/* LOCAL_PWR_CFG [1:0] 0x3 EN, 0x0 DIS */
81 	writel(0x0, &pwr->arm_core1_configuration);
82 
83 	/* Change the APLL frequency */
84 	/* ENABLE (1 enable) | LOCKED (1 locked)  */
85 	/* [31]              | [29]               */
86 	/* FSEL      | MDIV          | PDIV            | SDIV */
87 	/* [27]      | [25:16]       | [13:8]          | [2:0]      */
88 	writel(0xa0c80604, &clk->apll_con0);
89 
90 	/* Change CPU0 clock divider */
91 	/* CORE2_RATIO  | APLL_RATIO   | PCLK_DBG_RATIO | ATB_RATIO  */
92 	/* [30:28]      | [26:24]      | [22:20]        | [18:16]    */
93 	/* PERIPH_RATIO | COREM1_RATIO | COREM0_RATIO   | CORE_RATIO */
94 	/* [14:12]      | [10:8]       | [6:4]          | [2:0]      */
95 	writel(0x00000100, &clk->div_cpu0);
96 
97 	/* CLK_DIV_STAT_CPU0 - wait until clock gets stable (0 = stable) */
98 	while (readl(&clk->div_stat_cpu0) & 0x1111111)
99 		continue;
100 
101 	/* Change clock divider ratio for DMC */
102 	/* DMCP_RATIO                  | DMCD_RATIO  */
103 	/* [22:20]                     | [18:16]     */
104 	/* DMC_RATIO | DPHY_RATIO | ACP_PCLK_RATIO   | ACP_RATIO */
105 	/* [14:12]   | [10:8]     | [6:4]            | [2:0]     */
106 	writel(0x13113117, &clk->div_dmc0);
107 
108 	/* CLK_DIV_STAT_DMC0 - wait until clock gets stable (0 = stable) */
109 	while (readl(&clk->div_stat_dmc0) & 0x11111111)
110 		continue;
111 
112 	/* Turn off unnecessary power domains */
113 	writel(0x0, &pwr->xxti_configuration);	/* XXTI */
114 	writel(0x0, &pwr->cam_configuration);	/* CAM */
115 	writel(0x0, &pwr->tv_configuration);    /* TV */
116 	writel(0x0, &pwr->mfc_configuration);   /* MFC */
117 	writel(0x0, &pwr->g3d_configuration);   /* G3D */
118 	writel(0x0, &pwr->gps_configuration);   /* GPS */
119 	writel(0x0, &pwr->gps_alive_configuration);	/* GPS_ALIVE */
120 
121 	/* Turn off unnecessary clocks */
122 	writel(0x0, &clk->gate_ip_cam);	/* CAM */
123 	writel(0x0, &clk->gate_ip_tv);          /* TV */
124 	writel(0x0, &clk->gate_ip_mfc);	/* MFC */
125 	writel(0x0, &clk->gate_ip_g3d);	/* G3D */
126 	writel(0x0, &clk->gate_ip_image);	/* IMAGE */
127 	writel(0x0, &clk->gate_ip_gps);	/* GPS */
128 }
129 
130 static int pmic_init_max8997(void)
131 {
132 	struct pmic *p = pmic_get("MAX8997_PMIC");
133 	int i = 0, ret = 0;
134 	u32 val;
135 
136 	if (pmic_probe(p))
137 		return -1;
138 
139 	/* BUCK1 VARM: 1.2V */
140 	val = (1200000 - 650000) / 25000;
141 	ret |= pmic_reg_write(p, MAX8997_REG_BUCK1DVS1, val);
142 	val = ENBUCK | ACTIVE_DISCHARGE;		/* DVS OFF */
143 	ret |= pmic_reg_write(p, MAX8997_REG_BUCK1CTRL, val);
144 
145 	/* BUCK2 VINT: 1.1V */
146 	val = (1100000 - 650000) / 25000;
147 	ret |= pmic_reg_write(p, MAX8997_REG_BUCK2DVS1, val);
148 	val = ENBUCK | ACTIVE_DISCHARGE;		/* DVS OFF */
149 	ret |= pmic_reg_write(p, MAX8997_REG_BUCK2CTRL, val);
150 
151 
152 	/* BUCK3 G3D: 1.1V - OFF */
153 	ret |= pmic_reg_read(p, MAX8997_REG_BUCK3CTRL, &val);
154 	val &= ~ENBUCK;
155 	ret |= pmic_reg_write(p, MAX8997_REG_BUCK3CTRL, val);
156 
157 	val = (1100000 - 750000) / 50000;
158 	ret |= pmic_reg_write(p, MAX8997_REG_BUCK3DVS, val);
159 
160 	/* BUCK4 CAMISP: 1.2V - OFF */
161 	ret |= pmic_reg_read(p, MAX8997_REG_BUCK4CTRL, &val);
162 	val &= ~ENBUCK;
163 	ret |= pmic_reg_write(p, MAX8997_REG_BUCK4CTRL, val);
164 
165 	val = (1200000 - 650000) / 25000;
166 	ret |= pmic_reg_write(p, MAX8997_REG_BUCK4DVS, val);
167 
168 	/* BUCK5 VMEM: 1.2V */
169 	val = (1200000 - 650000) / 25000;
170 	for (i = 0; i < 8; i++)
171 		ret |= pmic_reg_write(p, MAX8997_REG_BUCK5DVS1 + i, val);
172 
173 	val = ENBUCK | ACTIVE_DISCHARGE;		/* DVS OFF */
174 	ret |= pmic_reg_write(p, MAX8997_REG_BUCK5CTRL, val);
175 
176 	/* BUCK6 CAM AF: 2.8V */
177 	/* No Voltage Setting Register */
178 	/* GNSLCT 3.0X */
179 	val = GNSLCT;
180 	ret |= pmic_reg_write(p, MAX8997_REG_BUCK6CTRL, val);
181 
182 	/* BUCK7 VCC_SUB: 2.0V */
183 	val = (2000000 - 750000) / 50000;
184 	ret |= pmic_reg_write(p, MAX8997_REG_BUCK7DVS, val);
185 
186 	/* LDO1 VADC: 3.3V */
187 	val = max8997_reg_ldo(3300000) | DIS_LDO;	/* OFF */
188 	ret |= pmic_reg_write(p, MAX8997_REG_LDO1CTRL, val);
189 
190 	/* LDO1 Disable active discharging */
191 	ret |= pmic_reg_read(p, MAX8997_REG_LDO1CONFIG, &val);
192 	val &= ~LDO_ADE;
193 	ret |= pmic_reg_write(p, MAX8997_REG_LDO1CONFIG, val);
194 
195 	/* LDO2 VALIVE: 1.1V */
196 	val = max8997_reg_ldo(1100000) | EN_LDO;
197 	ret |= pmic_reg_write(p, MAX8997_REG_LDO2CTRL, val);
198 
199 	/* LDO3 VUSB/MIPI: 1.1V */
200 	val = max8997_reg_ldo(1100000) | DIS_LDO;	/* OFF */
201 	ret |= pmic_reg_write(p, MAX8997_REG_LDO3CTRL, val);
202 
203 	/* LDO4 VMIPI: 1.8V */
204 	val = max8997_reg_ldo(1800000) | DIS_LDO;	/* OFF */
205 	ret |= pmic_reg_write(p, MAX8997_REG_LDO4CTRL, val);
206 
207 	/* LDO5 VHSIC: 1.2V */
208 	val = max8997_reg_ldo(1200000) | DIS_LDO;	/* OFF */
209 	ret |= pmic_reg_write(p, MAX8997_REG_LDO5CTRL, val);
210 
211 	/* LDO6 VCC_1.8V_PDA: 1.8V */
212 	val = max8997_reg_ldo(1800000) | EN_LDO;
213 	ret |= pmic_reg_write(p, MAX8997_REG_LDO6CTRL, val);
214 
215 	/* LDO7 CAM_ISP: 1.8V */
216 	val = max8997_reg_ldo(1800000) | DIS_LDO;	/* OFF */
217 	ret |= pmic_reg_write(p, MAX8997_REG_LDO7CTRL, val);
218 
219 	/* LDO8 VDAC/VUSB: 3.3V */
220 	val = max8997_reg_ldo(3300000) | DIS_LDO;	/* OFF */
221 	ret |= pmic_reg_write(p, MAX8997_REG_LDO8CTRL, val);
222 
223 	/* LDO9 VCC_2.8V_PDA: 2.8V */
224 	val = max8997_reg_ldo(2800000) | EN_LDO;
225 	ret |= pmic_reg_write(p, MAX8997_REG_LDO9CTRL, val);
226 
227 	/* LDO10 VPLL: 1.1V */
228 	val = max8997_reg_ldo(1100000) | EN_LDO;
229 	ret |= pmic_reg_write(p, MAX8997_REG_LDO10CTRL, val);
230 
231 	/* LDO11 TOUCH: 2.8V */
232 	val = max8997_reg_ldo(2800000) | DIS_LDO;	/* OFF */
233 	ret |= pmic_reg_write(p, MAX8997_REG_LDO11CTRL, val);
234 
235 	/* LDO12 VTCAM: 1.8V */
236 	val = max8997_reg_ldo(1800000) | DIS_LDO;	/* OFF */
237 	ret |= pmic_reg_write(p, MAX8997_REG_LDO12CTRL, val);
238 
239 	/* LDO13 VCC_3.0_LCD: 3.0V */
240 	val = max8997_reg_ldo(3000000) | DIS_LDO;	/* OFF */
241 	ret |= pmic_reg_write(p, MAX8997_REG_LDO13CTRL, val);
242 
243 	/* LDO14 MOTOR: 3.0V */
244 	val = max8997_reg_ldo(3000000) | DIS_LDO;	/* OFF */
245 	ret |= pmic_reg_write(p, MAX8997_REG_LDO14CTRL, val);
246 
247 	/* LDO15 LED_A: 2.8V */
248 	val = max8997_reg_ldo(2800000) | DIS_LDO;	/* OFF */
249 	ret |= pmic_reg_write(p, MAX8997_REG_LDO15CTRL, val);
250 
251 	/* LDO16 CAM_SENSOR: 1.8V */
252 	val = max8997_reg_ldo(1800000) | DIS_LDO;	/* OFF */
253 	ret |= pmic_reg_write(p, MAX8997_REG_LDO16CTRL, val);
254 
255 	/* LDO17 VTF: 2.8V */
256 	val = max8997_reg_ldo(2800000) | DIS_LDO;	/* OFF */
257 	ret |= pmic_reg_write(p, MAX8997_REG_LDO17CTRL, val);
258 
259 	/* LDO18 TOUCH_LED 3.3V */
260 	val = max8997_reg_ldo(3300000) | DIS_LDO;	/* OFF */
261 	ret |= pmic_reg_write(p, MAX8997_REG_LDO18CTRL, val);
262 
263 	/* LDO21 VDDQ: 1.2V */
264 	val = max8997_reg_ldo(1200000) | EN_LDO;
265 	ret |= pmic_reg_write(p, MAX8997_REG_LDO21CTRL, val);
266 
267 	/* SAFEOUT for both 1 and 2: 4.9V, Active discharge, Enable */
268 	val = (SAFEOUT_4_90V << 0) | (SAFEOUT_4_90V << 2) |
269 		ACTDISSAFEO1 | ACTDISSAFEO2 | ENSAFEOUT1 | ENSAFEOUT2;
270 	ret |= pmic_reg_write(p, MAX8997_REG_SAFEOUTCTRL, val);
271 
272 	if (ret) {
273 		puts("MAX8997 PMIC setting error!\n");
274 		return -1;
275 	}
276 	return 0;
277 }
278 
279 int power_init_board(void)
280 {
281 	int chrg, ret;
282 	struct power_battery *pb;
283 	struct pmic *p_fg, *p_chrg, *p_muic, *p_bat;
284 
285 	/*
286 	 * For PMIC/MUIC the I2C bus is named as I2C5, but it is connected
287 	 * to logical I2C adapter 0
288 	 *
289 	 * The FUEL_GAUGE is marked as I2C9 on the schematic, but connected
290 	 * to logical I2C adapter 1
291 	 */
292 	ret = pmic_init(I2C_0);
293 	ret |= pmic_init_max8997();
294 	ret |= power_fg_init(I2C_1);
295 	ret |= power_muic_init(I2C_0);
296 	ret |= power_bat_init(0);
297 	if (ret)
298 		return ret;
299 
300 	p_fg = pmic_get("MAX17042_FG");
301 	if (!p_fg) {
302 		puts("MAX17042_FG: Not found\n");
303 		return -ENODEV;
304 	}
305 
306 	p_chrg = pmic_get("MAX8997_PMIC");
307 	if (!p_chrg) {
308 		puts("MAX8997_PMIC: Not found\n");
309 		return -ENODEV;
310 	}
311 
312 	p_muic = pmic_get("MAX8997_MUIC");
313 	if (!p_muic) {
314 		puts("MAX8997_MUIC: Not found\n");
315 		return -ENODEV;
316 	}
317 
318 	p_bat = pmic_get("BAT_TRATS");
319 	if (!p_bat) {
320 		puts("BAT_TRATS: Not found\n");
321 		return -ENODEV;
322 	}
323 
324 	p_fg->parent =  p_bat;
325 	p_chrg->parent = p_bat;
326 	p_muic->parent = p_bat;
327 
328 	p_bat->low_power_mode = trats_low_power_mode;
329 	p_bat->pbat->battery_init(p_bat, p_fg, p_chrg, p_muic);
330 
331 	pb = p_bat->pbat;
332 	chrg = p_muic->chrg->chrg_type(p_muic);
333 	debug("CHARGER TYPE: %d\n", chrg);
334 
335 	if (!p_chrg->chrg->chrg_bat_present(p_chrg)) {
336 		puts("No battery detected\n");
337 		return -1;
338 	}
339 
340 	p_fg->fg->fg_battery_check(p_fg, p_bat);
341 
342 	if (pb->bat->state == CHARGE && chrg == CHARGER_USB)
343 		puts("CHARGE Battery !\n");
344 
345 	return 0;
346 }
347 
348 int dram_init(void)
349 {
350 	gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) +
351 		get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE) +
352 		get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE) +
353 		get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE);
354 
355 	return 0;
356 }
357 
358 void dram_init_banksize(void)
359 {
360 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
361 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
362 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
363 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
364 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
365 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
366 	gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
367 	gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
368 }
369 
370 static unsigned int get_hw_revision(void)
371 {
372 	struct exynos4_gpio_part1 *gpio =
373 		(struct exynos4_gpio_part1 *)samsung_get_base_gpio_part1();
374 	int hwrev = 0;
375 	int i;
376 
377 	/* hw_rev[3:0] == GPE1[3:0] */
378 	for (i = 0; i < 4; i++) {
379 		s5p_gpio_cfg_pin(&gpio->e1, i, GPIO_INPUT);
380 		s5p_gpio_set_pull(&gpio->e1, i, GPIO_PULL_NONE);
381 	}
382 
383 	udelay(1);
384 
385 	for (i = 0; i < 4; i++)
386 		hwrev |= (s5p_gpio_get_value(&gpio->e1, i) << i);
387 
388 	debug("hwrev 0x%x\n", hwrev);
389 
390 	return hwrev;
391 }
392 
393 static void check_hw_revision(void)
394 {
395 	int hwrev;
396 
397 	hwrev = get_hw_revision();
398 
399 	board_rev |= hwrev;
400 }
401 
402 #ifdef CONFIG_DISPLAY_BOARDINFO
403 int checkboard(void)
404 {
405 	puts("Board:\tTRATS\n");
406 	return 0;
407 }
408 #endif
409 
410 #ifdef CONFIG_GENERIC_MMC
411 int board_mmc_init(bd_t *bis)
412 {
413 	struct exynos4_gpio_part2 *gpio =
414 		(struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2();
415 	int err;
416 
417 	/* eMMC_EN: SD_0_CDn: GPK0[2] Output High */
418 	s5p_gpio_direction_output(&gpio->k0, 2, 1);
419 	s5p_gpio_set_pull(&gpio->k0, 2, GPIO_PULL_NONE);
420 
421 	/*
422 	 * MMC device init
423 	 * mmc0	 : eMMC (8-bit buswidth)
424 	 * mmc2	 : SD card (4-bit buswidth)
425 	 */
426 	err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE);
427 	if (err)
428 		debug("SDMMC0 not configured\n");
429 	else
430 		err = s5p_mmc_init(0, 8);
431 
432 	/* T-flash detect */
433 	s5p_gpio_cfg_pin(&gpio->x3, 4, 0xf);
434 	s5p_gpio_set_pull(&gpio->x3, 4, GPIO_PULL_UP);
435 
436 	/*
437 	 * Check the T-flash  detect pin
438 	 * GPX3[4] T-flash detect pin
439 	 */
440 	if (!s5p_gpio_get_value(&gpio->x3, 4)) {
441 		err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE);
442 		if (err)
443 			debug("SDMMC2 not configured\n");
444 		else
445 			err = s5p_mmc_init(2, 4);
446 	}
447 
448 	return err;
449 }
450 #endif
451 
452 #ifdef CONFIG_USB_GADGET
453 static int s5pc210_phy_control(int on)
454 {
455 	int ret = 0;
456 	u32 val = 0;
457 	struct pmic *p = pmic_get("MAX8997_PMIC");
458 	if (!p)
459 		return -ENODEV;
460 
461 	if (pmic_probe(p))
462 		return -1;
463 
464 	if (on) {
465 		ret |= pmic_set_output(p, MAX8997_REG_SAFEOUTCTRL,
466 				      ENSAFEOUT1, LDO_ON);
467 		ret |= pmic_reg_read(p, MAX8997_REG_LDO3CTRL, &val);
468 		ret |= pmic_reg_write(p, MAX8997_REG_LDO3CTRL, EN_LDO | val);
469 
470 		ret |= pmic_reg_read(p, MAX8997_REG_LDO8CTRL, &val);
471 		ret |= pmic_reg_write(p, MAX8997_REG_LDO8CTRL, EN_LDO | val);
472 	} else {
473 		ret |= pmic_reg_read(p, MAX8997_REG_LDO8CTRL, &val);
474 		ret |= pmic_reg_write(p, MAX8997_REG_LDO8CTRL, DIS_LDO | val);
475 
476 		ret |= pmic_reg_read(p, MAX8997_REG_LDO3CTRL, &val);
477 		ret |= pmic_reg_write(p, MAX8997_REG_LDO3CTRL, DIS_LDO | val);
478 		ret |= pmic_set_output(p, MAX8997_REG_SAFEOUTCTRL,
479 				      ENSAFEOUT1, LDO_OFF);
480 	}
481 
482 	if (ret) {
483 		puts("MAX8997 LDO setting error!\n");
484 		return -1;
485 	}
486 
487 	return 0;
488 }
489 
490 struct s3c_plat_otg_data s5pc210_otg_data = {
491 	.phy_control	= s5pc210_phy_control,
492 	.regs_phy	= EXYNOS4_USBPHY_BASE,
493 	.regs_otg	= EXYNOS4_USBOTG_BASE,
494 	.usb_phy_ctrl	= EXYNOS4_USBPHY_CONTROL,
495 	.usb_flags	= PHY0_SLEEP,
496 };
497 
498 void board_usb_init(void)
499 {
500 	debug("USB_udc_probe\n");
501 	s3c_udc_probe(&s5pc210_otg_data);
502 }
503 #endif
504 
505 static void pmic_reset(void)
506 {
507 	struct exynos4_gpio_part2 *gpio =
508 		(struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2();
509 
510 	s5p_gpio_direction_output(&gpio->x0, 7, 1);
511 	s5p_gpio_set_pull(&gpio->x2, 7, GPIO_PULL_NONE);
512 }
513 
514 static void board_clock_init(void)
515 {
516 	struct exynos4_clock *clk =
517 		(struct exynos4_clock *)samsung_get_base_clock();
518 
519 	writel(CLK_SRC_CPU_VAL, (unsigned int)&clk->src_cpu);
520 	writel(CLK_SRC_TOP0_VAL, (unsigned int)&clk->src_top0);
521 	writel(CLK_SRC_FSYS_VAL, (unsigned int)&clk->src_fsys);
522 	writel(CLK_SRC_PERIL0_VAL, (unsigned int)&clk->src_peril0);
523 
524 	writel(CLK_DIV_CPU0_VAL, (unsigned int)&clk->div_cpu0);
525 	writel(CLK_DIV_CPU1_VAL, (unsigned int)&clk->div_cpu1);
526 	writel(CLK_DIV_DMC0_VAL, (unsigned int)&clk->div_dmc0);
527 	writel(CLK_DIV_DMC1_VAL, (unsigned int)&clk->div_dmc1);
528 	writel(CLK_DIV_LEFTBUS_VAL, (unsigned int)&clk->div_leftbus);
529 	writel(CLK_DIV_RIGHTBUS_VAL, (unsigned int)&clk->div_rightbus);
530 	writel(CLK_DIV_TOP_VAL, (unsigned int)&clk->div_top);
531 	writel(CLK_DIV_FSYS1_VAL, (unsigned int)&clk->div_fsys1);
532 	writel(CLK_DIV_FSYS2_VAL, (unsigned int)&clk->div_fsys2);
533 	writel(CLK_DIV_FSYS3_VAL, (unsigned int)&clk->div_fsys3);
534 	writel(CLK_DIV_PERIL0_VAL, (unsigned int)&clk->div_peril0);
535 	writel(CLK_DIV_PERIL3_VAL, (unsigned int)&clk->div_peril3);
536 
537 	writel(PLL_LOCKTIME, (unsigned int)&clk->apll_lock);
538 	writel(PLL_LOCKTIME, (unsigned int)&clk->mpll_lock);
539 	writel(PLL_LOCKTIME, (unsigned int)&clk->epll_lock);
540 	writel(PLL_LOCKTIME, (unsigned int)&clk->vpll_lock);
541 	writel(APLL_CON1_VAL, (unsigned int)&clk->apll_con1);
542 	writel(APLL_CON0_VAL, (unsigned int)&clk->apll_con0);
543 	writel(MPLL_CON1_VAL, (unsigned int)&clk->mpll_con1);
544 	writel(MPLL_CON0_VAL, (unsigned int)&clk->mpll_con0);
545 	writel(EPLL_CON1_VAL, (unsigned int)&clk->epll_con1);
546 	writel(EPLL_CON0_VAL, (unsigned int)&clk->epll_con0);
547 	writel(VPLL_CON1_VAL, (unsigned int)&clk->vpll_con1);
548 	writel(VPLL_CON0_VAL, (unsigned int)&clk->vpll_con0);
549 
550 	writel(CLK_GATE_IP_CAM_VAL, (unsigned int)&clk->gate_ip_cam);
551 	writel(CLK_GATE_IP_VP_VAL, (unsigned int)&clk->gate_ip_tv);
552 	writel(CLK_GATE_IP_MFC_VAL, (unsigned int)&clk->gate_ip_mfc);
553 	writel(CLK_GATE_IP_G3D_VAL, (unsigned int)&clk->gate_ip_g3d);
554 	writel(CLK_GATE_IP_IMAGE_VAL, (unsigned int)&clk->gate_ip_image);
555 	writel(CLK_GATE_IP_LCD0_VAL, (unsigned int)&clk->gate_ip_lcd0);
556 	writel(CLK_GATE_IP_LCD1_VAL, (unsigned int)&clk->gate_ip_lcd1);
557 	writel(CLK_GATE_IP_FSYS_VAL, (unsigned int)&clk->gate_ip_fsys);
558 	writel(CLK_GATE_IP_GPS_VAL, (unsigned int)&clk->gate_ip_gps);
559 	writel(CLK_GATE_IP_PERIL_VAL, (unsigned int)&clk->gate_ip_peril);
560 	writel(CLK_GATE_IP_PERIR_VAL, (unsigned int)&clk->gate_ip_perir);
561 	writel(CLK_GATE_BLOCK_VAL, (unsigned int)&clk->gate_block);
562 }
563 
564 static void board_power_init(void)
565 {
566 	struct exynos4_power *pwr =
567 		(struct exynos4_power *)samsung_get_base_power();
568 
569 	/* PS HOLD */
570 	writel(EXYNOS4_PS_HOLD_CON_VAL, (unsigned int)&pwr->ps_hold_control);
571 
572 	/* Set power down */
573 	writel(0, (unsigned int)&pwr->cam_configuration);
574 	writel(0, (unsigned int)&pwr->tv_configuration);
575 	writel(0, (unsigned int)&pwr->mfc_configuration);
576 	writel(0, (unsigned int)&pwr->g3d_configuration);
577 	writel(0, (unsigned int)&pwr->lcd1_configuration);
578 	writel(0, (unsigned int)&pwr->gps_configuration);
579 	writel(0, (unsigned int)&pwr->gps_alive_configuration);
580 
581 	/* It is necessary to power down core 1 */
582 	/* to successfully boot CPU1 in kernel */
583 	writel(0, (unsigned int)&pwr->arm_core1_configuration);
584 }
585 
586 static void board_uart_init(void)
587 {
588 	struct exynos4_gpio_part1 *gpio1 =
589 		(struct exynos4_gpio_part1 *)samsung_get_base_gpio_part1();
590 	struct exynos4_gpio_part2 *gpio2 =
591 		(struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2();
592 	int i;
593 
594 	/*
595 	 * UART2 GPIOs
596 	 * GPA1CON[0] = UART_2_RXD(2)
597 	 * GPA1CON[1] = UART_2_TXD(2)
598 	 * GPA1CON[2] = I2C_3_SDA (3)
599 	 * GPA1CON[3] = I2C_3_SCL (3)
600 	 */
601 
602 	for (i = 0; i < 4; i++) {
603 		s5p_gpio_set_pull(&gpio1->a1, i, GPIO_PULL_NONE);
604 		s5p_gpio_cfg_pin(&gpio1->a1, i, GPIO_FUNC((i > 1) ? 0x3 : 0x2));
605 	}
606 
607 	/* UART_SEL GPY4[7] (part2) at EXYNOS4 */
608 	s5p_gpio_set_pull(&gpio2->y4, 7, GPIO_PULL_UP);
609 	s5p_gpio_direction_output(&gpio2->y4, 7, 1);
610 }
611 
612 int board_early_init_f(void)
613 {
614 	wdt_stop();
615 	pmic_reset();
616 	board_clock_init();
617 	board_uart_init();
618 	board_power_init();
619 
620 	return 0;
621 }
622 
623 void exynos_reset_lcd(void)
624 {
625 	struct exynos4_gpio_part2 *gpio2 =
626 		(struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2();
627 
628 	s5p_gpio_direction_output(&gpio2->y4, 5, 1);
629 	udelay(10000);
630 	s5p_gpio_direction_output(&gpio2->y4, 5, 0);
631 	udelay(10000);
632 	s5p_gpio_direction_output(&gpio2->y4, 5, 1);
633 }
634 
635 static int lcd_power(void)
636 {
637 	int ret = 0;
638 	struct pmic *p = pmic_get("MAX8997_PMIC");
639 	if (!p)
640 		return -ENODEV;
641 
642 	if (pmic_probe(p))
643 		return 0;
644 
645 	/* LDO15 voltage: 2.2v */
646 	ret |= pmic_reg_write(p, MAX8997_REG_LDO15CTRL, 0x1c | EN_LDO);
647 	/* LDO13 voltage: 3.0v */
648 	ret |= pmic_reg_write(p, MAX8997_REG_LDO13CTRL, 0x2c | EN_LDO);
649 
650 	if (ret) {
651 		puts("MAX8997 LDO setting error!\n");
652 		return -1;
653 	}
654 
655 	return 0;
656 }
657 
658 static struct mipi_dsim_config dsim_config = {
659 	.e_interface		= DSIM_VIDEO,
660 	.e_virtual_ch		= DSIM_VIRTUAL_CH_0,
661 	.e_pixel_format		= DSIM_24BPP_888,
662 	.e_burst_mode		= DSIM_BURST_SYNC_EVENT,
663 	.e_no_data_lane		= DSIM_DATA_LANE_4,
664 	.e_byte_clk		= DSIM_PLL_OUT_DIV8,
665 	.hfp			= 1,
666 
667 	.p			= 3,
668 	.m			= 120,
669 	.s			= 1,
670 
671 	/* D-PHY PLL stable time spec :min = 200usec ~ max 400usec */
672 	.pll_stable_time	= 500,
673 
674 	/* escape clk : 10MHz */
675 	.esc_clk		= 20 * 1000000,
676 
677 	/* stop state holding counter after bta change count 0 ~ 0xfff */
678 	.stop_holding_cnt	= 0x7ff,
679 	/* bta timeout 0 ~ 0xff */
680 	.bta_timeout		= 0xff,
681 	/* lp rx timeout 0 ~ 0xffff */
682 	.rx_timeout		= 0xffff,
683 };
684 
685 static struct exynos_platform_mipi_dsim s6e8ax0_platform_data = {
686 	.lcd_panel_info = NULL,
687 	.dsim_config = &dsim_config,
688 };
689 
690 static struct mipi_dsim_lcd_device mipi_lcd_device = {
691 	.name	= "s6e8ax0",
692 	.id	= -1,
693 	.bus_id	= 0,
694 	.platform_data	= (void *)&s6e8ax0_platform_data,
695 };
696 
697 static int mipi_power(void)
698 {
699 	int ret = 0;
700 	struct pmic *p = pmic_get("MAX8997_PMIC");
701 	if (!p)
702 		return -ENODEV;
703 
704 	if (pmic_probe(p))
705 		return 0;
706 
707 	/* LDO3 voltage: 1.1v */
708 	ret |= pmic_reg_write(p, MAX8997_REG_LDO3CTRL, 0x6 | EN_LDO);
709 	/* LDO4 voltage: 1.8v */
710 	ret |= pmic_reg_write(p, MAX8997_REG_LDO4CTRL, 0x14 | EN_LDO);
711 
712 	if (ret) {
713 		puts("MAX8997 LDO setting error!\n");
714 		return -1;
715 	}
716 
717 	return 0;
718 }
719 
720 vidinfo_t panel_info = {
721 	.vl_freq	= 60,
722 	.vl_col		= 720,
723 	.vl_row		= 1280,
724 	.vl_width	= 720,
725 	.vl_height	= 1280,
726 	.vl_clkp	= CONFIG_SYS_HIGH,
727 	.vl_hsp		= CONFIG_SYS_LOW,
728 	.vl_vsp		= CONFIG_SYS_LOW,
729 	.vl_dp		= CONFIG_SYS_LOW,
730 	.vl_bpix	= 5,	/* Bits per pixel, 2^5 = 32 */
731 
732 	/* s6e8ax0 Panel infomation */
733 	.vl_hspw	= 5,
734 	.vl_hbpd	= 10,
735 	.vl_hfpd	= 10,
736 
737 	.vl_vspw	= 2,
738 	.vl_vbpd	= 1,
739 	.vl_vfpd	= 13,
740 	.vl_cmd_allow_len = 0xf,
741 
742 	.win_id		= 3,
743 	.dual_lcd_enabled = 0,
744 
745 	.init_delay	= 0,
746 	.power_on_delay = 0,
747 	.reset_delay	= 0,
748 	.interface_mode = FIMD_RGB_INTERFACE,
749 	.mipi_enabled	= 1,
750 };
751 
752 void init_panel_info(vidinfo_t *vid)
753 {
754 	vid->logo_on	= 1,
755 	vid->resolution	= HD_RESOLUTION,
756 	vid->rgb_mode	= MODE_RGB_P,
757 
758 #ifdef CONFIG_TIZEN
759 	get_tizen_logo_info(vid);
760 #endif
761 	mipi_lcd_device.reverse_panel = 1;
762 
763 	strcpy(s6e8ax0_platform_data.lcd_panel_name, mipi_lcd_device.name);
764 	s6e8ax0_platform_data.lcd_power = lcd_power;
765 	s6e8ax0_platform_data.mipi_power = mipi_power;
766 	s6e8ax0_platform_data.phy_enable = set_mipi_phy_ctrl;
767 	s6e8ax0_platform_data.lcd_panel_info = (void *)vid;
768 	exynos_mipi_dsi_register_lcd_device(&mipi_lcd_device);
769 	s6e8ax0_init();
770 	exynos_set_dsim_platform_data(&s6e8ax0_platform_data);
771 
772 	setenv("lcdinfo", "lcd=s6e8ax0");
773 }
774 
775 #ifdef CONFIG_USB_GADGET_MASS_STORAGE
776 static int ums_read_sector(struct ums_device *ums_dev,
777 			   ulong start, lbaint_t blkcnt, void *buf)
778 {
779 	if (ums_dev->mmc->block_dev.block_read(ums_dev->dev_num,
780 			start + ums_dev->offset, blkcnt, buf) != blkcnt)
781 		return -1;
782 
783 	return 0;
784 }
785 
786 static int ums_write_sector(struct ums_device *ums_dev,
787 			    ulong start, lbaint_t blkcnt, const void *buf)
788 {
789 	if (ums_dev->mmc->block_dev.block_write(ums_dev->dev_num,
790 			start + ums_dev->offset, blkcnt, buf) != blkcnt)
791 		return -1;
792 
793 	return 0;
794 }
795 
796 static void ums_get_capacity(struct ums_device *ums_dev,
797 			     long long int *capacity)
798 {
799 	long long int tmp_capacity;
800 
801 	tmp_capacity = (long long int) ((ums_dev->offset + ums_dev->part_size)
802 					* SECTOR_SIZE);
803 	*capacity = ums_dev->mmc->capacity - tmp_capacity;
804 }
805 
806 static struct ums_board_info ums_board = {
807 	.read_sector = ums_read_sector,
808 	.write_sector = ums_write_sector,
809 	.get_capacity = ums_get_capacity,
810 	.name = "TRATS UMS disk",
811 	.ums_dev = {
812 		.mmc = NULL,
813 		.dev_num = 0,
814 		.offset = 0,
815 		.part_size = 0.
816 	},
817 };
818 
819 struct ums_board_info *board_ums_init(unsigned int dev_num, unsigned int offset,
820 				      unsigned int part_size)
821 {
822 	struct mmc *mmc;
823 
824 	mmc = find_mmc_device(dev_num);
825 	if (!mmc)
826 		return NULL;
827 
828 	ums_board.ums_dev.mmc = mmc;
829 	ums_board.ums_dev.dev_num = dev_num;
830 	ums_board.ums_dev.offset = offset;
831 	ums_board.ums_dev.part_size = part_size;
832 
833 	return &ums_board;
834 }
835 #endif
836