xref: /openbmc/u-boot/board/samsung/trats2/trats2.c (revision 64bd89e4)
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 
29 DECLARE_GLOBAL_DATA_PTR;
30 
31 static struct exynos4x12_gpio_part1 *gpio1;
32 static struct exynos4x12_gpio_part2 *gpio2;
33 
34 static unsigned int board_rev = -1;
35 
36 static inline u32 get_model_rev(void);
37 
38 static void check_hw_revision(void)
39 {
40 	int modelrev = 0;
41 	int i;
42 
43 	gpio2 = (struct exynos4x12_gpio_part2 *)EXYNOS4X12_GPIO_PART2_BASE;
44 
45 	/*
46 	 * GPM1[1:0]: MODEL_REV[1:0]
47 	 * Don't set as pull-none for these N/C pin.
48 	 * TRM say that it may cause unexcepted state and leakage current.
49 	 * and pull-none is only for output function.
50 	 */
51 	for (i = 0; i < 2; i++)
52 		s5p_gpio_cfg_pin(&gpio2->m1, i, GPIO_INPUT);
53 
54 	/* GPM1[5:2]: HW_REV[3:0] */
55 	for (i = 2; i < 6; i++) {
56 		s5p_gpio_cfg_pin(&gpio2->m1, i, GPIO_INPUT);
57 		s5p_gpio_set_pull(&gpio2->m1, i, GPIO_PULL_NONE);
58 	}
59 
60 	/* GPM1[1:0]: MODEL_REV[1:0] */
61 	for (i = 0; i < 2; i++)
62 		modelrev |= (s5p_gpio_get_value(&gpio2->m1, i) << i);
63 
64 	/* board_rev[15:8] = model */
65 	board_rev = modelrev << 8;
66 }
67 
68 #ifdef CONFIG_DISPLAY_BOARDINFO
69 int checkboard(void)
70 {
71 	puts("Board:\tTRATS2\n");
72 	return 0;
73 }
74 #endif
75 
76 static void show_hw_revision(void)
77 {
78 	printf("HW Revision:\t0x%04x\n", board_rev);
79 }
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 *)EXYNOS4X12_GPIO_PART2_BASE;
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 	gpio1 = (struct exynos4x12_gpio_part1 *)EXYNOS4X12_GPIO_PART1_BASE;
119 	gpio2 = (struct exynos4x12_gpio_part2 *)EXYNOS4X12_GPIO_PART2_BASE;
120 
121 	/* I2C_7 */
122 	s5p_gpio_direction_output(&gpio1->d0, 2, 1);
123 	s5p_gpio_direction_output(&gpio1->d0, 3, 1);
124 
125 	/* I2C_8 */
126 	s5p_gpio_direction_output(&gpio1->f1, 4, 1);
127 	s5p_gpio_direction_output(&gpio1->f1, 5, 1);
128 
129 	/* I2C_9 */
130 	s5p_gpio_direction_output(&gpio2->m2, 1, 1);
131 	s5p_gpio_direction_output(&gpio2->m2, 0, 1);
132 }
133 #endif
134 
135 int board_early_init_f(void)
136 {
137 	check_hw_revision();
138 	board_external_gpio_init();
139 
140 	gd->flags |= GD_FLG_DISABLE_CONSOLE;
141 
142 	return 0;
143 }
144 
145 static int pmic_init_max77686(void);
146 
147 int board_init(void)
148 {
149 	struct exynos4_power *pwr =
150 		(struct exynos4_power *)EXYNOS4X12_POWER_BASE;
151 
152 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
153 
154 	/* workaround: clear INFORM4..5 */
155 	writel(0, (unsigned int)&pwr->inform4);
156 	writel(0, (unsigned int)&pwr->inform5);
157 
158 	return 0;
159 }
160 
161 int power_init_board(void)
162 {
163 	int chrg;
164 	struct power_battery *pb;
165 	struct pmic *p_chrg, *p_muic, *p_fg, *p_bat;
166 
167 #ifdef CONFIG_SYS_I2C_INIT_BOARD
168 	board_init_i2c();
169 #endif
170 	pmic_init(I2C_0);		/* I2C adapter 0 - bus name I2C_5 */
171 	pmic_init_max77686();
172 	pmic_init_max77693(I2C_2);	/* I2C adapter 2 - bus name I2C_10 */
173 	power_muic_init(I2C_2);		/* I2C adapter 2 - bus name I2C_10 */
174 	power_fg_init(I2C_1);		/* I2C adapter 1 - bus name I2C_9 */
175 	power_bat_init(0);
176 
177 	p_chrg = pmic_get("MAX77693_PMIC");
178 	if (!p_chrg) {
179 		puts("MAX77693_PMIC: Not found\n");
180 		return -ENODEV;
181 	}
182 
183 	p_muic = pmic_get("MAX77693_MUIC");
184 	if (!p_muic) {
185 		puts("MAX77693_MUIC: Not found\n");
186 		return -ENODEV;
187 	}
188 
189 	p_fg = pmic_get("MAX77693_FG");
190 	if (!p_fg) {
191 		puts("MAX17042_FG: Not found\n");
192 		return -ENODEV;
193 	}
194 
195 	if (p_chrg->chrg->chrg_bat_present(p_chrg) == 0)
196 		puts("No battery detected\n");
197 
198 	p_bat = pmic_get("BAT_TRATS2");
199 	if (!p_bat) {
200 		puts("BAT_TRATS2: Not found\n");
201 		return -ENODEV;
202 	}
203 
204 	p_fg->parent =  p_bat;
205 	p_chrg->parent = p_bat;
206 	p_muic->parent = p_bat;
207 
208 	p_bat->pbat->battery_init(p_bat, p_fg, p_chrg, p_muic);
209 
210 	pb = p_bat->pbat;
211 	chrg = p_muic->chrg->chrg_type(p_muic);
212 	debug("CHARGER TYPE: %d\n", chrg);
213 
214 	if (!p_chrg->chrg->chrg_bat_present(p_chrg)) {
215 		puts("No battery detected\n");
216 		return -1;
217 	}
218 
219 	p_fg->fg->fg_battery_check(p_fg, p_bat);
220 
221 	if (pb->bat->state == CHARGE && chrg == CHARGER_USB)
222 		puts("CHARGE Battery !\n");
223 
224 	return 0;
225 }
226 
227 int dram_init(void)
228 {
229 	u32 size_mb;
230 
231 	size_mb = (get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) +
232 		get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE) +
233 		get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE) +
234 		get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE)) >> 20;
235 
236 	gd->ram_size = size_mb << 20;
237 
238 	return 0;
239 }
240 
241 void dram_init_banksize(void)
242 {
243 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
244 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
245 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
246 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
247 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
248 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
249 	gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
250 	gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
251 }
252 
253 int board_mmc_init(bd_t *bis)
254 {
255 	int err0, err2 = 0;
256 
257 	gpio2 = (struct exynos4x12_gpio_part2 *)EXYNOS4X12_GPIO_PART2_BASE;
258 
259 	/* eMMC_EN: SD_0_CDn: GPK0[2] Output High */
260 	s5p_gpio_direction_output(&gpio2->k0, 2, 1);
261 	s5p_gpio_set_pull(&gpio2->k0, 2, GPIO_PULL_NONE);
262 
263 	/*
264 	 * eMMC GPIO:
265 	 * SDR 8-bit@48MHz at MMC0
266 	 * GPK0[0]      SD_0_CLK(2)
267 	 * GPK0[1]      SD_0_CMD(2)
268 	 * GPK0[2]      SD_0_CDn        -> Not used
269 	 * GPK0[3:6]    SD_0_DATA[0:3](2)
270 	 * GPK1[3:6]    SD_0_DATA[0:3](3)
271 	 *
272 	 * DDR 4-bit@26MHz at MMC4
273 	 * GPK0[0]      SD_4_CLK(3)
274 	 * GPK0[1]      SD_4_CMD(3)
275 	 * GPK0[2]      SD_4_CDn        -> Not used
276 	 * GPK0[3:6]    SD_4_DATA[0:3](3)
277 	 * GPK1[3:6]    SD_4_DATA[4:7](4)
278 	 */
279 
280 	err0 = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE);
281 
282 	/*
283 	 * MMC device init
284 	 * mmc0  : eMMC (8-bit buswidth)
285 	 * mmc2  : SD card (4-bit buswidth)
286 	 */
287 	if (err0)
288 		debug("SDMMC0 not configured\n");
289 	else
290 		err0 = s5p_mmc_init(0, 8);
291 
292 	/* T-flash detect */
293 	s5p_gpio_cfg_pin(&gpio2->x3, 4, 0xf);
294 	s5p_gpio_set_pull(&gpio2->x3, 4, GPIO_PULL_UP);
295 
296 	/*
297 	 * Check the T-flash  detect pin
298 	 * GPX3[4] T-flash detect pin
299 	 */
300 	if (!s5p_gpio_get_value(&gpio2->x3, 4)) {
301 		err2 = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE);
302 		if (err2)
303 			debug("SDMMC2 not configured\n");
304 		else
305 			err2 = s5p_mmc_init(2, 4);
306 	}
307 
308 	return err0 & err2;
309 }
310 
311 static int pmic_init_max77686(void)
312 {
313 	struct pmic *p = pmic_get("MAX77686_PMIC");
314 
315 	if (pmic_probe(p))
316 		return -1;
317 
318 	/* BUCK/LDO Output Voltage */
319 	max77686_set_ldo_voltage(p, 21, 2800000);	/* LDO21 VTF_2.8V */
320 	max77686_set_ldo_voltage(p, 23, 3300000);	/* LDO23 TSP_AVDD_3.3V*/
321 	max77686_set_ldo_voltage(p, 24, 1800000);	/* LDO24 TSP_VDD_1.8V */
322 
323 	/* BUCK/LDO Output Mode */
324 	max77686_set_buck_mode(p, 1, OPMODE_STANDBY);	/* BUCK1 VMIF_1.1V_AP */
325 	max77686_set_buck_mode(p, 2, OPMODE_ON);	/* BUCK2 VARM_1.0V_AP */
326 	max77686_set_buck_mode(p, 3, OPMODE_ON);	/* BUCK3 VINT_1.0V_AP */
327 	max77686_set_buck_mode(p, 4, OPMODE_ON);	/* BUCK4 VG3D_1.0V_AP */
328 	max77686_set_buck_mode(p, 5, OPMODE_ON);	/* BUCK5 VMEM_1.2V_AP */
329 	max77686_set_buck_mode(p, 6, OPMODE_ON);	/* BUCK6 VCC_SUB_1.35V*/
330 	max77686_set_buck_mode(p, 7, OPMODE_ON);	/* BUCK7 VCC_SUB_2.0V */
331 	max77686_set_buck_mode(p, 8, OPMODE_OFF);	/* VMEM_VDDF_2.85V */
332 	max77686_set_buck_mode(p, 9, OPMODE_OFF);	/* CAM_ISP_CORE_1.2V*/
333 
334 	max77686_set_ldo_mode(p, 1, OPMODE_LPM);	/* LDO1 VALIVE_1.0V_AP*/
335 	max77686_set_ldo_mode(p, 2, OPMODE_STANDBY);	/* LDO2 VM1M2_1.2V_AP */
336 	max77686_set_ldo_mode(p, 3, OPMODE_LPM);	/* LDO3 VCC_1.8V_AP */
337 	max77686_set_ldo_mode(p, 4, OPMODE_LPM);	/* LDO4 VCC_2.8V_AP */
338 	max77686_set_ldo_mode(p, 5, OPMODE_OFF);	/* LDO5_VCC_1.8V_IO */
339 	max77686_set_ldo_mode(p, 6, OPMODE_STANDBY);	/* LDO6 VMPLL_1.0V_AP */
340 	max77686_set_ldo_mode(p, 7, OPMODE_STANDBY);	/* LDO7 VPLL_1.0V_AP */
341 	max77686_set_ldo_mode(p, 8, OPMODE_LPM);	/* LDO8 VMIPI_1.0V_AP */
342 	max77686_set_ldo_mode(p, 9, OPMODE_OFF);	/* CAM_ISP_MIPI_1.2*/
343 	max77686_set_ldo_mode(p, 10, OPMODE_LPM);	/* LDO10 VMIPI_1.8V_AP*/
344 	max77686_set_ldo_mode(p, 11, OPMODE_STANDBY);	/* LDO11 VABB1_1.8V_AP*/
345 	max77686_set_ldo_mode(p, 12, OPMODE_LPM);	/* LDO12 VUOTG_3.0V_AP*/
346 	max77686_set_ldo_mode(p, 13, OPMODE_OFF);	/* LDO13 VC2C_1.8V_AP */
347 	max77686_set_ldo_mode(p, 14, OPMODE_STANDBY);	/* VABB02_1.8V_AP */
348 	max77686_set_ldo_mode(p, 15, OPMODE_STANDBY);	/* LDO15 VHSIC_1.0V_AP*/
349 	max77686_set_ldo_mode(p, 16, OPMODE_STANDBY);	/* LDO16 VHSIC_1.8V_AP*/
350 	max77686_set_ldo_mode(p, 17, OPMODE_OFF);	/* CAM_SENSOR_CORE_1.2*/
351 	max77686_set_ldo_mode(p, 18, OPMODE_OFF);	/* CAM_ISP_SEN_IO_1.8V*/
352 	max77686_set_ldo_mode(p, 19, OPMODE_OFF);	/* LDO19 VT_CAM_1.8V */
353 	max77686_set_ldo_mode(p, 20, OPMODE_ON);	/* LDO20 VDDQ_PRE_1.8V*/
354 	max77686_set_ldo_mode(p, 21, OPMODE_OFF);	/* LDO21 VTF_2.8V */
355 	max77686_set_ldo_mode(p, 22, OPMODE_OFF);	/* LDO22 VMEM_VDD_2.8V*/
356 	max77686_set_ldo_mode(p, 23, OPMODE_OFF);	/* LDO23 TSP_AVDD_3.3V*/
357 	max77686_set_ldo_mode(p, 24, OPMODE_OFF);	/* LDO24 TSP_VDD_1.8V */
358 	max77686_set_ldo_mode(p, 25, OPMODE_OFF);	/* LDO25 VCC_3.3V_LCD */
359 	max77686_set_ldo_mode(p, 26, OPMODE_OFF);	/*LDO26 VCC_3.0V_MOTOR*/
360 
361 	return 0;
362 }
363 
364 /*
365  * LCD
366  */
367 
368 #ifdef CONFIG_LCD
369 static struct mipi_dsim_config dsim_config = {
370 	.e_interface		= DSIM_VIDEO,
371 	.e_virtual_ch		= DSIM_VIRTUAL_CH_0,
372 	.e_pixel_format		= DSIM_24BPP_888,
373 	.e_burst_mode		= DSIM_BURST_SYNC_EVENT,
374 	.e_no_data_lane		= DSIM_DATA_LANE_4,
375 	.e_byte_clk		= DSIM_PLL_OUT_DIV8,
376 	.hfp			= 1,
377 
378 	.p			= 3,
379 	.m			= 120,
380 	.s			= 1,
381 
382 	/* D-PHY PLL stable time spec :min = 200usec ~ max 400usec */
383 	.pll_stable_time	= 500,
384 
385 	/* escape clk : 10MHz */
386 	.esc_clk		= 20 * 1000000,
387 
388 	/* stop state holding counter after bta change count 0 ~ 0xfff */
389 	.stop_holding_cnt	= 0x7ff,
390 	/* bta timeout 0 ~ 0xff */
391 	.bta_timeout		= 0xff,
392 	/* lp rx timeout 0 ~ 0xffff */
393 	.rx_timeout		= 0xffff,
394 };
395 
396 static struct exynos_platform_mipi_dsim dsim_platform_data = {
397 	.lcd_panel_info = NULL,
398 	.dsim_config = &dsim_config,
399 };
400 
401 static struct mipi_dsim_lcd_device mipi_lcd_device = {
402 	.name	= "s6e8ax0",
403 	.id	= -1,
404 	.bus_id	= 0,
405 	.platform_data	= (void *)&dsim_platform_data,
406 };
407 
408 static int mipi_power(void)
409 {
410 	struct pmic *p = pmic_get("MAX77686_PMIC");
411 
412 	/* LDO8 VMIPI_1.0V_AP */
413 	max77686_set_ldo_mode(p, 8, OPMODE_ON);
414 	/* LDO10 VMIPI_1.8V_AP */
415 	max77686_set_ldo_mode(p, 10, OPMODE_ON);
416 
417 	return 0;
418 }
419 
420 void exynos_lcd_power_on(void)
421 {
422 	struct pmic *p = pmic_get("MAX77686_PMIC");
423 
424 	gpio1 = (struct exynos4x12_gpio_part1 *)EXYNOS4X12_GPIO_PART1_BASE;
425 
426 	/* LCD_2.2V_EN: GPC0[1] */
427 	s5p_gpio_set_pull(&gpio1->c0, 1, GPIO_PULL_UP);
428 	s5p_gpio_direction_output(&gpio1->c0, 1, 1);
429 
430 	/* LDO25 VCC_3.1V_LCD */
431 	pmic_probe(p);
432 	max77686_set_ldo_voltage(p, 25, 3100000);
433 	max77686_set_ldo_mode(p, 25, OPMODE_LPM);
434 }
435 
436 void exynos_reset_lcd(void)
437 {
438 	gpio1 = (struct exynos4x12_gpio_part1 *)EXYNOS4X12_GPIO_PART1_BASE;
439 
440 	/* reset lcd */
441 	s5p_gpio_direction_output(&gpio1->f2, 1, 0);
442 	udelay(10);
443 	s5p_gpio_set_value(&gpio1->f2, 1, 1);
444 }
445 
446 vidinfo_t panel_info = {
447 	.vl_freq	= 60,
448 	.vl_col		= 720,
449 	.vl_row		= 1280,
450 	.vl_width	= 720,
451 	.vl_height	= 1280,
452 	.vl_clkp	= CONFIG_SYS_HIGH,
453 	.vl_hsp		= CONFIG_SYS_LOW,
454 	.vl_vsp		= CONFIG_SYS_LOW,
455 	.vl_dp		= CONFIG_SYS_LOW,
456 	.vl_bpix	= 5,	/* Bits per pixel, 2^5 = 32 */
457 
458 	/* s6e8ax0 Panel infomation */
459 	.vl_hspw	= 5,
460 	.vl_hbpd	= 10,
461 	.vl_hfpd	= 10,
462 
463 	.vl_vspw	= 2,
464 	.vl_vbpd	= 1,
465 	.vl_vfpd	= 13,
466 	.vl_cmd_allow_len = 0xf,
467 	.mipi_enabled = 1,
468 
469 	.dual_lcd_enabled = 0,
470 
471 	.init_delay	= 0,
472 	.power_on_delay = 25,
473 	.reset_delay	= 0,
474 	.interface_mode = FIMD_RGB_INTERFACE,
475 };
476 
477 void init_panel_info(vidinfo_t *vid)
478 {
479 	vid->logo_on	= 1;
480 	vid->resolution	= HD_RESOLUTION;
481 	vid->rgb_mode	= MODE_RGB_P;
482 
483 	vid->power_on_delay = 30;
484 
485 	mipi_lcd_device.reverse_panel = 1;
486 
487 #ifdef CONFIG_TIZEN
488 	get_tizen_logo_info(vid);
489 #endif
490 
491 	strcpy(dsim_platform_data.lcd_panel_name, mipi_lcd_device.name);
492 	dsim_platform_data.mipi_power = mipi_power;
493 	dsim_platform_data.phy_enable = set_mipi_phy_ctrl;
494 	dsim_platform_data.lcd_panel_info = (void *)vid;
495 	exynos_mipi_dsi_register_lcd_device(&mipi_lcd_device);
496 
497 	s6e8ax0_init();
498 
499 	exynos_set_dsim_platform_data(&dsim_platform_data);
500 }
501 #endif /* LCD */
502 
503 #ifdef CONFIG_MISC_INIT_R
504 int misc_init_r(void)
505 {
506 	setenv("model", "GT-I8800");
507 	setenv("board", "TRATS2");
508 
509 	show_hw_revision();
510 
511 	return 0;
512 }
513 #endif
514