xref: /openbmc/u-boot/board/samsung/common/misc.c (revision 66c433ed)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2013 Samsung Electronics
4  * Przemyslaw Marczak <p.marczak@samsung.com>
5  */
6 
7 #include <common.h>
8 #include <lcd.h>
9 #include <libtizen.h>
10 #include <samsung/misc.h>
11 #include <errno.h>
12 #include <version.h>
13 #include <malloc.h>
14 #include <memalign.h>
15 #include <linux/sizes.h>
16 #include <asm/arch/cpu.h>
17 #include <asm/gpio.h>
18 #include <linux/input.h>
19 #include <dm.h>
20 /*
21  * Use #ifdef to work around conflicting headers while we wait for this to be
22  * converted to driver model.
23  */
24 #ifdef CONFIG_DM_PMIC_MAX77686
25 #include <power/max77686_pmic.h>
26 #endif
27 #ifdef CONFIG_DM_PMIC_MAX8998
28 #include <power/max8998_pmic.h>
29 #endif
30 #ifdef CONFIG_PMIC_MAX8997
31 #include <power/max8997_pmic.h>
32 #endif
33 #include <power/pmic.h>
34 #include <mmc.h>
35 
36 DECLARE_GLOBAL_DATA_PTR;
37 
38 #ifdef CONFIG_SET_DFU_ALT_INFO
set_dfu_alt_info(char * interface,char * devstr)39 void set_dfu_alt_info(char *interface, char *devstr)
40 {
41 	size_t buf_size = CONFIG_SET_DFU_ALT_BUF_LEN;
42 	ALLOC_CACHE_ALIGN_BUFFER(char, buf, buf_size);
43 	char *alt_info = "Settings not found!";
44 	char *status = "error!\n";
45 	char *alt_setting;
46 	char *alt_sep;
47 	int offset = 0;
48 
49 	puts("DFU alt info setting: ");
50 
51 	alt_setting = get_dfu_alt_boot(interface, devstr);
52 	if (alt_setting) {
53 		env_set("dfu_alt_boot", alt_setting);
54 		offset = snprintf(buf, buf_size, "%s", alt_setting);
55 	}
56 
57 	alt_setting = get_dfu_alt_system(interface, devstr);
58 	if (alt_setting) {
59 		if (offset)
60 			alt_sep = ";";
61 		else
62 			alt_sep = "";
63 
64 		offset += snprintf(buf + offset, buf_size - offset,
65 				    "%s%s", alt_sep, alt_setting);
66 	}
67 
68 	if (offset) {
69 		alt_info = buf;
70 		status = "done\n";
71 	}
72 
73 	env_set("dfu_alt_info", alt_info);
74 	puts(status);
75 }
76 #endif
77 
78 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
set_board_info(void)79 void set_board_info(void)
80 {
81 	char info[64];
82 
83 	snprintf(info, ARRAY_SIZE(info), "%u.%u", (s5p_cpu_rev & 0xf0) >> 4,
84 		 s5p_cpu_rev & 0xf);
85 	env_set("soc_rev", info);
86 
87 	snprintf(info, ARRAY_SIZE(info), "%x", s5p_cpu_id);
88 	env_set("soc_id", info);
89 
90 #ifdef CONFIG_REVISION_TAG
91 	snprintf(info, ARRAY_SIZE(info), "%x", get_board_rev());
92 	env_set("board_rev", info);
93 #endif
94 #ifdef CONFIG_OF_LIBFDT
95 	const char *bdtype = "";
96 	const char *bdname = CONFIG_SYS_BOARD;
97 
98 #ifdef CONFIG_BOARD_TYPES
99 	bdtype = get_board_type();
100 	if (!bdtype)
101 		bdtype = "";
102 
103 	sprintf(info, "%s%s", bdname, bdtype);
104 	env_set("board_name", info);
105 #endif
106 	snprintf(info, ARRAY_SIZE(info),  "%s%x-%s%s.dtb",
107 		 CONFIG_SYS_SOC, s5p_cpu_id, bdname, bdtype);
108 	env_set("fdtfile", info);
109 #endif
110 }
111 #endif /* CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG */
112 
113 #ifdef CONFIG_LCD_MENU
power_key_pressed(u32 reg)114 static int power_key_pressed(u32 reg)
115 {
116 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
117 	struct pmic *pmic;
118 	u32 status;
119 	u32 mask;
120 
121 	pmic = pmic_get(KEY_PWR_PMIC_NAME);
122 	if (!pmic) {
123 		printf("%s: Not found\n", KEY_PWR_PMIC_NAME);
124 		return 0;
125 	}
126 
127 	if (pmic_probe(pmic))
128 		return 0;
129 
130 	if (reg == KEY_PWR_STATUS_REG)
131 		mask = KEY_PWR_STATUS_MASK;
132 	else
133 		mask = KEY_PWR_INTERRUPT_MASK;
134 
135 	if (pmic_reg_read(pmic, reg, &status))
136 		return 0;
137 
138 	return !!(status & mask);
139 #else
140 	return 0;
141 #endif
142 }
143 
key_pressed(int key)144 static int key_pressed(int key)
145 {
146 	int value;
147 
148 	switch (key) {
149 	case KEY_POWER:
150 		value = power_key_pressed(KEY_PWR_INTERRUPT_REG);
151 		break;
152 	case KEY_VOLUMEUP:
153 		value = !gpio_get_value(KEY_VOL_UP_GPIO);
154 		break;
155 	case KEY_VOLUMEDOWN:
156 		value = !gpio_get_value(KEY_VOL_DOWN_GPIO);
157 		break;
158 	default:
159 		value = 0;
160 		break;
161 	}
162 
163 	return value;
164 }
165 
166 #ifdef CONFIG_LCD
check_keys(void)167 static int check_keys(void)
168 {
169 	int keys = 0;
170 
171 	if (key_pressed(KEY_POWER))
172 		keys += KEY_POWER;
173 	if (key_pressed(KEY_VOLUMEUP))
174 		keys += KEY_VOLUMEUP;
175 	if (key_pressed(KEY_VOLUMEDOWN))
176 		keys += KEY_VOLUMEDOWN;
177 
178 	return keys;
179 }
180 
181 /*
182  * 0 BOOT_MODE_INFO
183  * 1 BOOT_MODE_THOR
184  * 2 BOOT_MODE_UMS
185  * 3 BOOT_MODE_DFU
186  * 4 BOOT_MODE_EXIT
187  */
188 static char *
189 mode_name[BOOT_MODE_EXIT + 1][2] = {
190 	{"DEVICE", ""},
191 	{"THOR", "thor"},
192 	{"UMS", "ums"},
193 	{"DFU", "dfu"},
194 	{"GPT", "gpt"},
195 	{"ENV", "env"},
196 	{"EXIT", ""},
197 };
198 
199 static char *
200 mode_info[BOOT_MODE_EXIT + 1] = {
201 	"info",
202 	"downloader",
203 	"mass storage",
204 	"firmware update",
205 	"restore",
206 	"default",
207 	"and run normal boot"
208 };
209 
210 static char *
211 mode_cmd[BOOT_MODE_EXIT + 1] = {
212 	"",
213 	"thor 0 mmc 0",
214 	"ums 0 mmc 0",
215 	"dfu 0 mmc 0",
216 	"gpt write mmc 0 $partitions",
217 	"env default -a; saveenv",
218 	"",
219 };
220 
display_board_info(void)221 static void display_board_info(void)
222 {
223 #ifdef CONFIG_MMC
224 	struct mmc *mmc = find_mmc_device(0);
225 #endif
226 	vidinfo_t *vid = &panel_info;
227 
228 	lcd_position_cursor(4, 4);
229 
230 	lcd_printf("%s\n\t", U_BOOT_VERSION);
231 	lcd_puts("\n\t\tBoard Info:\n");
232 #ifdef CONFIG_SYS_BOARD
233 	lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
234 #endif
235 #ifdef CONFIG_REVISION_TAG
236 	lcd_printf("\tBoard rev: %u\n", get_board_rev());
237 #endif
238 	lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
239 	lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
240 
241 #ifdef CONFIG_MMC
242 	if (mmc) {
243 		if (!mmc->capacity)
244 			mmc_init(mmc);
245 
246 		lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
247 	}
248 #endif
249 	if (vid)
250 		lcd_printf("\tDisplay resolution: %u x % u\n",
251 			   vid->vl_col, vid->vl_row);
252 
253 	lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
254 }
255 #endif
256 
mode_leave_menu(int mode)257 static int mode_leave_menu(int mode)
258 {
259 #ifdef CONFIG_LCD
260 	char *exit_option;
261 	char *exit_reset = "reset";
262 	char *exit_back = "back";
263 	cmd_tbl_t *cmd;
264 	int cmd_result;
265 	int leave;
266 
267 	lcd_clear();
268 
269 	switch (mode) {
270 	case BOOT_MODE_EXIT:
271 		return 1;
272 	case BOOT_MODE_INFO:
273 		display_board_info();
274 		exit_option = exit_back;
275 		leave = 0;
276 		break;
277 	default:
278 		cmd = find_cmd(mode_name[mode][1]);
279 		if (cmd) {
280 			printf("Enter: %s %s\n", mode_name[mode][0],
281 			       mode_info[mode]);
282 			lcd_printf("\n\n\t%s %s\n", mode_name[mode][0],
283 				   mode_info[mode]);
284 			lcd_puts("\n\tDo not turn off device before finish!\n");
285 
286 			cmd_result = run_command(mode_cmd[mode], 0);
287 
288 			if (cmd_result == CMD_RET_SUCCESS) {
289 				printf("Command finished\n");
290 				lcd_clear();
291 				lcd_printf("\n\n\t%s finished\n",
292 					   mode_name[mode][0]);
293 
294 				exit_option = exit_reset;
295 				leave = 1;
296 			} else {
297 				printf("Command error\n");
298 				lcd_clear();
299 				lcd_printf("\n\n\t%s command error\n",
300 					   mode_name[mode][0]);
301 
302 				exit_option = exit_back;
303 				leave = 0;
304 			}
305 		} else {
306 			lcd_puts("\n\n\tThis mode is not supported.\n");
307 			exit_option = exit_back;
308 			leave = 0;
309 		}
310 	}
311 
312 	lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
313 
314 	/* Clear PWR button Rising edge interrupt status flag */
315 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
316 
317 	/* Wait for PWR key */
318 	while (!key_pressed(KEY_POWER))
319 		mdelay(1);
320 
321 	lcd_clear();
322 	return leave;
323 #else
324 	return 0;
325 #endif
326 }
327 
328 #ifdef CONFIG_LCD
display_download_menu(int mode)329 static void display_download_menu(int mode)
330 {
331 	char *selection[BOOT_MODE_EXIT + 1];
332 	int i;
333 
334 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
335 		selection[i] = "[  ]";
336 
337 	selection[mode] = "[=>]";
338 
339 	lcd_clear();
340 	lcd_printf("\n\n\t\tDownload Mode Menu\n\n");
341 
342 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
343 		lcd_printf("\t%s  %s - %s\n\n", selection[i],
344 			   mode_name[i][0], mode_info[i]);
345 }
346 #endif
347 
download_menu(void)348 static void download_menu(void)
349 {
350 #ifdef CONFIG_LCD
351 	int mode = 0;
352 	int last_mode = 0;
353 	int run;
354 	int key = 0;
355 	int timeout = 15; /* sec */
356 	int i;
357 
358 	display_download_menu(mode);
359 
360 	lcd_puts("\n");
361 
362 	/* Start count if no key is pressed */
363 	while (check_keys())
364 		continue;
365 
366 	while (timeout--) {
367 		lcd_printf("\r\tNormal boot will start in: %2.d seconds.",
368 			   timeout);
369 
370 		/* about 1000 ms in for loop */
371 		for (i = 0; i < 10; i++) {
372 			mdelay(100);
373 			key = check_keys();
374 			if (key)
375 				break;
376 		}
377 		if (key)
378 			break;
379 	}
380 
381 	if (!key) {
382 		lcd_clear();
383 		return;
384 	}
385 
386 	while (1) {
387 		run = 0;
388 
389 		if (mode != last_mode)
390 			display_download_menu(mode);
391 
392 		last_mode = mode;
393 		mdelay(200);
394 
395 		key = check_keys();
396 		switch (key) {
397 		case KEY_POWER:
398 			run = 1;
399 			break;
400 		case KEY_VOLUMEUP:
401 			if (mode > 0)
402 				mode--;
403 			break;
404 		case KEY_VOLUMEDOWN:
405 			if (mode < BOOT_MODE_EXIT)
406 				mode++;
407 			break;
408 		default:
409 			break;
410 		}
411 
412 		if (run) {
413 			if (mode_leave_menu(mode))
414 				run_command("reset", 0);
415 
416 			display_download_menu(mode);
417 		}
418 	}
419 
420 	lcd_clear();
421 #endif
422 }
423 
check_boot_mode(void)424 void check_boot_mode(void)
425 {
426 	int pwr_key;
427 
428 	pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
429 	if (!pwr_key)
430 		return;
431 
432 	/* Clear PWR button Rising edge interrupt status flag */
433 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
434 
435 	if (key_pressed(KEY_VOLUMEUP))
436 		download_menu();
437 	else if (key_pressed(KEY_VOLUMEDOWN))
438 		mode_leave_menu(BOOT_MODE_THOR);
439 }
440 
keys_init(void)441 void keys_init(void)
442 {
443 	/* Set direction to input */
444 	gpio_request(KEY_VOL_UP_GPIO, "volume-up");
445 	gpio_request(KEY_VOL_DOWN_GPIO, "volume-down");
446 	gpio_direction_input(KEY_VOL_UP_GPIO);
447 	gpio_direction_input(KEY_VOL_DOWN_GPIO);
448 }
449 #endif /* CONFIG_LCD_MENU */
450 
451 #ifdef CONFIG_CMD_BMP
draw_logo(void)452 void draw_logo(void)
453 {
454 	int x, y;
455 	ulong addr;
456 
457 	addr = panel_info.logo_addr;
458 	if (!addr) {
459 		pr_err("There is no logo data.\n");
460 		return;
461 	}
462 
463 	if (panel_info.vl_width >= panel_info.logo_width) {
464 		x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
465 		x += panel_info.logo_x_offset; /* For X center align */
466 	} else {
467 		x = 0;
468 		printf("Warning: image width is bigger than display width\n");
469 	}
470 
471 	if (panel_info.vl_height >= panel_info.logo_height) {
472 		y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
473 		y += panel_info.logo_y_offset; /* For Y center align */
474 	} else {
475 		y = 0;
476 		printf("Warning: image height is bigger than display height\n");
477 	}
478 
479 	bmp_display(addr, x, y);
480 }
481 #endif /* CONFIG_CMD_BMP */
482