xref: /openbmc/u-boot/board/samsung/common/misc.c (revision 6f967856)
1 /*
2  * Copyright (C) 2013 Samsung Electronics
3  * Przemyslaw Marczak <p.marczak@samsung.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <common.h>
9 #include <lcd.h>
10 #include <libtizen.h>
11 #include <samsung/misc.h>
12 #include <errno.h>
13 #include <version.h>
14 #include <malloc.h>
15 #include <memalign.h>
16 #include <linux/sizes.h>
17 #include <asm/arch/cpu.h>
18 #include <asm/gpio.h>
19 #include <linux/input.h>
20 #include <dm.h>
21 #include <power/pmic.h>
22 #include <mmc.h>
23 
24 DECLARE_GLOBAL_DATA_PTR;
25 
26 #ifdef CONFIG_SET_DFU_ALT_INFO
27 void set_dfu_alt_info(char *interface, char *devstr)
28 {
29 	size_t buf_size = CONFIG_SET_DFU_ALT_BUF_LEN;
30 	ALLOC_CACHE_ALIGN_BUFFER(char, buf, buf_size);
31 	char *alt_info = "Settings not found!";
32 	char *status = "error!\n";
33 	char *alt_setting;
34 	char *alt_sep;
35 	int offset = 0;
36 
37 	puts("DFU alt info setting: ");
38 
39 	alt_setting = get_dfu_alt_boot(interface, devstr);
40 	if (alt_setting) {
41 		setenv("dfu_alt_boot", alt_setting);
42 		offset = snprintf(buf, buf_size, "%s", alt_setting);
43 	}
44 
45 	alt_setting = get_dfu_alt_system(interface, devstr);
46 	if (alt_setting) {
47 		if (offset)
48 			alt_sep = ";";
49 		else
50 			alt_sep = "";
51 
52 		offset += snprintf(buf + offset, buf_size - offset,
53 				    "%s%s", alt_sep, alt_setting);
54 	}
55 
56 	if (offset) {
57 		alt_info = buf;
58 		status = "done\n";
59 	}
60 
61 	setenv("dfu_alt_info", alt_info);
62 	puts(status);
63 }
64 #endif
65 
66 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
67 void set_board_info(void)
68 {
69 	char info[64];
70 
71 	snprintf(info, ARRAY_SIZE(info), "%u.%u", (s5p_cpu_rev & 0xf0) >> 4,
72 		 s5p_cpu_rev & 0xf);
73 	setenv("soc_rev", info);
74 
75 	snprintf(info, ARRAY_SIZE(info), "%x", s5p_cpu_id);
76 	setenv("soc_id", info);
77 
78 #ifdef CONFIG_REVISION_TAG
79 	snprintf(info, ARRAY_SIZE(info), "%x", get_board_rev());
80 	setenv("board_rev", info);
81 #endif
82 #ifdef CONFIG_OF_LIBFDT
83 	const char *bdtype = "";
84 	const char *bdname = CONFIG_SYS_BOARD;
85 
86 #ifdef CONFIG_BOARD_TYPES
87 	bdtype = get_board_type();
88 	if (!bdtype)
89 		bdtype = "";
90 
91 	sprintf(info, "%s%s", bdname, bdtype);
92 	setenv("boardname", info);
93 #endif
94 	snprintf(info, ARRAY_SIZE(info),  "%s%x-%s%s.dtb",
95 		 CONFIG_SYS_SOC, s5p_cpu_id, bdname, bdtype);
96 	setenv("fdtfile", info);
97 #endif
98 }
99 #endif /* CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG */
100 
101 #ifdef CONFIG_LCD_MENU
102 static int power_key_pressed(u32 reg)
103 {
104 	struct pmic *pmic;
105 	u32 status;
106 	u32 mask;
107 
108 	pmic = pmic_get(KEY_PWR_PMIC_NAME);
109 	if (!pmic) {
110 		printf("%s: Not found\n", KEY_PWR_PMIC_NAME);
111 		return 0;
112 	}
113 
114 	if (pmic_probe(pmic))
115 		return 0;
116 
117 	if (reg == KEY_PWR_STATUS_REG)
118 		mask = KEY_PWR_STATUS_MASK;
119 	else
120 		mask = KEY_PWR_INTERRUPT_MASK;
121 
122 	if (pmic_reg_read(pmic, reg, &status))
123 		return 0;
124 
125 	return !!(status & mask);
126 }
127 
128 static int key_pressed(int key)
129 {
130 	int value;
131 
132 	switch (key) {
133 	case KEY_POWER:
134 		value = power_key_pressed(KEY_PWR_INTERRUPT_REG);
135 		break;
136 	case KEY_VOLUMEUP:
137 		value = !gpio_get_value(KEY_VOL_UP_GPIO);
138 		break;
139 	case KEY_VOLUMEDOWN:
140 		value = !gpio_get_value(KEY_VOL_DOWN_GPIO);
141 		break;
142 	default:
143 		value = 0;
144 		break;
145 	}
146 
147 	return value;
148 }
149 
150 #ifdef CONFIG_LCD
151 static int check_keys(void)
152 {
153 	int keys = 0;
154 
155 	if (key_pressed(KEY_POWER))
156 		keys += KEY_POWER;
157 	if (key_pressed(KEY_VOLUMEUP))
158 		keys += KEY_VOLUMEUP;
159 	if (key_pressed(KEY_VOLUMEDOWN))
160 		keys += KEY_VOLUMEDOWN;
161 
162 	return keys;
163 }
164 
165 /*
166  * 0 BOOT_MODE_INFO
167  * 1 BOOT_MODE_THOR
168  * 2 BOOT_MODE_UMS
169  * 3 BOOT_MODE_DFU
170  * 4 BOOT_MODE_EXIT
171  */
172 static char *
173 mode_name[BOOT_MODE_EXIT + 1][2] = {
174 	{"DEVICE", ""},
175 	{"THOR", "thor"},
176 	{"UMS", "ums"},
177 	{"DFU", "dfu"},
178 	{"GPT", "gpt"},
179 	{"ENV", "env"},
180 	{"EXIT", ""},
181 };
182 
183 static char *
184 mode_info[BOOT_MODE_EXIT + 1] = {
185 	"info",
186 	"downloader",
187 	"mass storage",
188 	"firmware update",
189 	"restore",
190 	"default",
191 	"and run normal boot"
192 };
193 
194 static char *
195 mode_cmd[BOOT_MODE_EXIT + 1] = {
196 	"",
197 	"thor 0 mmc 0",
198 	"ums 0 mmc 0",
199 	"dfu 0 mmc 0",
200 	"gpt write mmc 0 $partitions",
201 	"env default -a; saveenv",
202 	"",
203 };
204 
205 static void display_board_info(void)
206 {
207 #ifdef CONFIG_GENERIC_MMC
208 	struct mmc *mmc = find_mmc_device(0);
209 #endif
210 	vidinfo_t *vid = &panel_info;
211 
212 	lcd_position_cursor(4, 4);
213 
214 	lcd_printf("%s\n\t", U_BOOT_VERSION);
215 	lcd_puts("\n\t\tBoard Info:\n");
216 #ifdef CONFIG_SYS_BOARD
217 	lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
218 #endif
219 #ifdef CONFIG_REVISION_TAG
220 	lcd_printf("\tBoard rev: %u\n", get_board_rev());
221 #endif
222 	lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
223 	lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
224 
225 #ifdef CONFIG_GENERIC_MMC
226 	if (mmc) {
227 		if (!mmc->capacity)
228 			mmc_init(mmc);
229 
230 		lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
231 	}
232 #endif
233 	if (vid)
234 		lcd_printf("\tDisplay resolution: %u x % u\n",
235 			   vid->vl_col, vid->vl_row);
236 
237 	lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
238 }
239 #endif
240 
241 static int mode_leave_menu(int mode)
242 {
243 #ifdef CONFIG_LCD
244 	char *exit_option;
245 	char *exit_reset = "reset";
246 	char *exit_back = "back";
247 	cmd_tbl_t *cmd;
248 	int cmd_result;
249 	int leave;
250 
251 	lcd_clear();
252 
253 	switch (mode) {
254 	case BOOT_MODE_EXIT:
255 		return 1;
256 	case BOOT_MODE_INFO:
257 		display_board_info();
258 		exit_option = exit_back;
259 		leave = 0;
260 		break;
261 	default:
262 		cmd = find_cmd(mode_name[mode][1]);
263 		if (cmd) {
264 			printf("Enter: %s %s\n", mode_name[mode][0],
265 			       mode_info[mode]);
266 			lcd_printf("\n\n\t%s %s\n", mode_name[mode][0],
267 				   mode_info[mode]);
268 			lcd_puts("\n\tDo not turn off device before finish!\n");
269 
270 			cmd_result = run_command(mode_cmd[mode], 0);
271 
272 			if (cmd_result == CMD_RET_SUCCESS) {
273 				printf("Command finished\n");
274 				lcd_clear();
275 				lcd_printf("\n\n\t%s finished\n",
276 					   mode_name[mode][0]);
277 
278 				exit_option = exit_reset;
279 				leave = 1;
280 			} else {
281 				printf("Command error\n");
282 				lcd_clear();
283 				lcd_printf("\n\n\t%s command error\n",
284 					   mode_name[mode][0]);
285 
286 				exit_option = exit_back;
287 				leave = 0;
288 			}
289 		} else {
290 			lcd_puts("\n\n\tThis mode is not supported.\n");
291 			exit_option = exit_back;
292 			leave = 0;
293 		}
294 	}
295 
296 	lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
297 
298 	/* Clear PWR button Rising edge interrupt status flag */
299 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
300 
301 	/* Wait for PWR key */
302 	while (!key_pressed(KEY_POWER))
303 		mdelay(1);
304 
305 	lcd_clear();
306 	return leave;
307 #else
308 	return 0;
309 #endif
310 }
311 
312 #ifdef CONFIG_LCD
313 static void display_download_menu(int mode)
314 {
315 	char *selection[BOOT_MODE_EXIT + 1];
316 	int i;
317 
318 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
319 		selection[i] = "[  ]";
320 
321 	selection[mode] = "[=>]";
322 
323 	lcd_clear();
324 	lcd_printf("\n\n\t\tDownload Mode Menu\n\n");
325 
326 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
327 		lcd_printf("\t%s  %s - %s\n\n", selection[i],
328 			   mode_name[i][0], mode_info[i]);
329 }
330 #endif
331 
332 static void download_menu(void)
333 {
334 #ifdef CONFIG_LCD
335 	int mode = 0;
336 	int last_mode = 0;
337 	int run;
338 	int key = 0;
339 	int timeout = 15; /* sec */
340 	int i;
341 
342 	display_download_menu(mode);
343 
344 	lcd_puts("\n");
345 
346 	/* Start count if no key is pressed */
347 	while (check_keys())
348 		continue;
349 
350 	while (timeout--) {
351 		lcd_printf("\r\tNormal boot will start in: %2.d seconds.",
352 			   timeout);
353 
354 		/* about 1000 ms in for loop */
355 		for (i = 0; i < 10; i++) {
356 			mdelay(100);
357 			key = check_keys();
358 			if (key)
359 				break;
360 		}
361 		if (key)
362 			break;
363 	}
364 
365 	if (!key) {
366 		lcd_clear();
367 		return;
368 	}
369 
370 	while (1) {
371 		run = 0;
372 
373 		if (mode != last_mode)
374 			display_download_menu(mode);
375 
376 		last_mode = mode;
377 		mdelay(200);
378 
379 		key = check_keys();
380 		switch (key) {
381 		case KEY_POWER:
382 			run = 1;
383 			break;
384 		case KEY_VOLUMEUP:
385 			if (mode > 0)
386 				mode--;
387 			break;
388 		case KEY_VOLUMEDOWN:
389 			if (mode < BOOT_MODE_EXIT)
390 				mode++;
391 			break;
392 		default:
393 			break;
394 		}
395 
396 		if (run) {
397 			if (mode_leave_menu(mode))
398 				run_command("reset", 0);
399 
400 			display_download_menu(mode);
401 		}
402 	}
403 
404 	lcd_clear();
405 #endif
406 }
407 
408 void check_boot_mode(void)
409 {
410 	int pwr_key;
411 
412 	pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
413 	if (!pwr_key)
414 		return;
415 
416 	/* Clear PWR button Rising edge interrupt status flag */
417 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
418 
419 	if (key_pressed(KEY_VOLUMEUP))
420 		download_menu();
421 	else if (key_pressed(KEY_VOLUMEDOWN))
422 		mode_leave_menu(BOOT_MODE_THOR);
423 }
424 
425 void keys_init(void)
426 {
427 	/* Set direction to input */
428 	gpio_request(KEY_VOL_UP_GPIO, "volume-up");
429 	gpio_request(KEY_VOL_DOWN_GPIO, "volume-down");
430 	gpio_direction_input(KEY_VOL_UP_GPIO);
431 	gpio_direction_input(KEY_VOL_DOWN_GPIO);
432 }
433 #endif /* CONFIG_LCD_MENU */
434 
435 #ifdef CONFIG_CMD_BMP
436 void draw_logo(void)
437 {
438 	int x, y;
439 	ulong addr;
440 
441 	addr = panel_info.logo_addr;
442 	if (!addr) {
443 		error("There is no logo data.");
444 		return;
445 	}
446 
447 	if (panel_info.vl_width >= panel_info.logo_width) {
448 		x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
449 		x += panel_info.logo_x_offset; /* For X center align */
450 	} else {
451 		x = 0;
452 		printf("Warning: image width is bigger than display width\n");
453 	}
454 
455 	if (panel_info.vl_height >= panel_info.logo_height) {
456 		y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
457 		y += panel_info.logo_y_offset; /* For Y center align */
458 	} else {
459 		y = 0;
460 		printf("Warning: image height is bigger than display height\n");
461 	}
462 
463 	bmp_display(addr, x, y);
464 }
465 #endif /* CONFIG_CMD_BMP */
466