xref: /openbmc/u-boot/board/samsung/common/misc.c (revision 6183b295)
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 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
105 	struct pmic *pmic;
106 	u32 status;
107 	u32 mask;
108 
109 	pmic = pmic_get(KEY_PWR_PMIC_NAME);
110 	if (!pmic) {
111 		printf("%s: Not found\n", KEY_PWR_PMIC_NAME);
112 		return 0;
113 	}
114 
115 	if (pmic_probe(pmic))
116 		return 0;
117 
118 	if (reg == KEY_PWR_STATUS_REG)
119 		mask = KEY_PWR_STATUS_MASK;
120 	else
121 		mask = KEY_PWR_INTERRUPT_MASK;
122 
123 	if (pmic_reg_read(pmic, reg, &status))
124 		return 0;
125 
126 	return !!(status & mask);
127 #else
128 	return 0;
129 #endif
130 }
131 
132 static int key_pressed(int key)
133 {
134 	int value;
135 
136 	switch (key) {
137 	case KEY_POWER:
138 		value = power_key_pressed(KEY_PWR_INTERRUPT_REG);
139 		break;
140 	case KEY_VOLUMEUP:
141 		value = !gpio_get_value(KEY_VOL_UP_GPIO);
142 		break;
143 	case KEY_VOLUMEDOWN:
144 		value = !gpio_get_value(KEY_VOL_DOWN_GPIO);
145 		break;
146 	default:
147 		value = 0;
148 		break;
149 	}
150 
151 	return value;
152 }
153 
154 #ifdef CONFIG_LCD
155 static int check_keys(void)
156 {
157 	int keys = 0;
158 
159 	if (key_pressed(KEY_POWER))
160 		keys += KEY_POWER;
161 	if (key_pressed(KEY_VOLUMEUP))
162 		keys += KEY_VOLUMEUP;
163 	if (key_pressed(KEY_VOLUMEDOWN))
164 		keys += KEY_VOLUMEDOWN;
165 
166 	return keys;
167 }
168 
169 /*
170  * 0 BOOT_MODE_INFO
171  * 1 BOOT_MODE_THOR
172  * 2 BOOT_MODE_UMS
173  * 3 BOOT_MODE_DFU
174  * 4 BOOT_MODE_EXIT
175  */
176 static char *
177 mode_name[BOOT_MODE_EXIT + 1][2] = {
178 	{"DEVICE", ""},
179 	{"THOR", "thor"},
180 	{"UMS", "ums"},
181 	{"DFU", "dfu"},
182 	{"GPT", "gpt"},
183 	{"ENV", "env"},
184 	{"EXIT", ""},
185 };
186 
187 static char *
188 mode_info[BOOT_MODE_EXIT + 1] = {
189 	"info",
190 	"downloader",
191 	"mass storage",
192 	"firmware update",
193 	"restore",
194 	"default",
195 	"and run normal boot"
196 };
197 
198 static char *
199 mode_cmd[BOOT_MODE_EXIT + 1] = {
200 	"",
201 	"thor 0 mmc 0",
202 	"ums 0 mmc 0",
203 	"dfu 0 mmc 0",
204 	"gpt write mmc 0 $partitions",
205 	"env default -a; saveenv",
206 	"",
207 };
208 
209 static void display_board_info(void)
210 {
211 #ifdef CONFIG_MMC
212 	struct mmc *mmc = find_mmc_device(0);
213 #endif
214 	vidinfo_t *vid = &panel_info;
215 
216 	lcd_position_cursor(4, 4);
217 
218 	lcd_printf("%s\n\t", U_BOOT_VERSION);
219 	lcd_puts("\n\t\tBoard Info:\n");
220 #ifdef CONFIG_SYS_BOARD
221 	lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
222 #endif
223 #ifdef CONFIG_REVISION_TAG
224 	lcd_printf("\tBoard rev: %u\n", get_board_rev());
225 #endif
226 	lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
227 	lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
228 
229 #ifdef CONFIG_MMC
230 	if (mmc) {
231 		if (!mmc->capacity)
232 			mmc_init(mmc);
233 
234 		lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
235 	}
236 #endif
237 	if (vid)
238 		lcd_printf("\tDisplay resolution: %u x % u\n",
239 			   vid->vl_col, vid->vl_row);
240 
241 	lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
242 }
243 #endif
244 
245 static int mode_leave_menu(int mode)
246 {
247 #ifdef CONFIG_LCD
248 	char *exit_option;
249 	char *exit_reset = "reset";
250 	char *exit_back = "back";
251 	cmd_tbl_t *cmd;
252 	int cmd_result;
253 	int leave;
254 
255 	lcd_clear();
256 
257 	switch (mode) {
258 	case BOOT_MODE_EXIT:
259 		return 1;
260 	case BOOT_MODE_INFO:
261 		display_board_info();
262 		exit_option = exit_back;
263 		leave = 0;
264 		break;
265 	default:
266 		cmd = find_cmd(mode_name[mode][1]);
267 		if (cmd) {
268 			printf("Enter: %s %s\n", mode_name[mode][0],
269 			       mode_info[mode]);
270 			lcd_printf("\n\n\t%s %s\n", mode_name[mode][0],
271 				   mode_info[mode]);
272 			lcd_puts("\n\tDo not turn off device before finish!\n");
273 
274 			cmd_result = run_command(mode_cmd[mode], 0);
275 
276 			if (cmd_result == CMD_RET_SUCCESS) {
277 				printf("Command finished\n");
278 				lcd_clear();
279 				lcd_printf("\n\n\t%s finished\n",
280 					   mode_name[mode][0]);
281 
282 				exit_option = exit_reset;
283 				leave = 1;
284 			} else {
285 				printf("Command error\n");
286 				lcd_clear();
287 				lcd_printf("\n\n\t%s command error\n",
288 					   mode_name[mode][0]);
289 
290 				exit_option = exit_back;
291 				leave = 0;
292 			}
293 		} else {
294 			lcd_puts("\n\n\tThis mode is not supported.\n");
295 			exit_option = exit_back;
296 			leave = 0;
297 		}
298 	}
299 
300 	lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
301 
302 	/* Clear PWR button Rising edge interrupt status flag */
303 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
304 
305 	/* Wait for PWR key */
306 	while (!key_pressed(KEY_POWER))
307 		mdelay(1);
308 
309 	lcd_clear();
310 	return leave;
311 #else
312 	return 0;
313 #endif
314 }
315 
316 #ifdef CONFIG_LCD
317 static void display_download_menu(int mode)
318 {
319 	char *selection[BOOT_MODE_EXIT + 1];
320 	int i;
321 
322 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
323 		selection[i] = "[  ]";
324 
325 	selection[mode] = "[=>]";
326 
327 	lcd_clear();
328 	lcd_printf("\n\n\t\tDownload Mode Menu\n\n");
329 
330 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
331 		lcd_printf("\t%s  %s - %s\n\n", selection[i],
332 			   mode_name[i][0], mode_info[i]);
333 }
334 #endif
335 
336 static void download_menu(void)
337 {
338 #ifdef CONFIG_LCD
339 	int mode = 0;
340 	int last_mode = 0;
341 	int run;
342 	int key = 0;
343 	int timeout = 15; /* sec */
344 	int i;
345 
346 	display_download_menu(mode);
347 
348 	lcd_puts("\n");
349 
350 	/* Start count if no key is pressed */
351 	while (check_keys())
352 		continue;
353 
354 	while (timeout--) {
355 		lcd_printf("\r\tNormal boot will start in: %2.d seconds.",
356 			   timeout);
357 
358 		/* about 1000 ms in for loop */
359 		for (i = 0; i < 10; i++) {
360 			mdelay(100);
361 			key = check_keys();
362 			if (key)
363 				break;
364 		}
365 		if (key)
366 			break;
367 	}
368 
369 	if (!key) {
370 		lcd_clear();
371 		return;
372 	}
373 
374 	while (1) {
375 		run = 0;
376 
377 		if (mode != last_mode)
378 			display_download_menu(mode);
379 
380 		last_mode = mode;
381 		mdelay(200);
382 
383 		key = check_keys();
384 		switch (key) {
385 		case KEY_POWER:
386 			run = 1;
387 			break;
388 		case KEY_VOLUMEUP:
389 			if (mode > 0)
390 				mode--;
391 			break;
392 		case KEY_VOLUMEDOWN:
393 			if (mode < BOOT_MODE_EXIT)
394 				mode++;
395 			break;
396 		default:
397 			break;
398 		}
399 
400 		if (run) {
401 			if (mode_leave_menu(mode))
402 				run_command("reset", 0);
403 
404 			display_download_menu(mode);
405 		}
406 	}
407 
408 	lcd_clear();
409 #endif
410 }
411 
412 void check_boot_mode(void)
413 {
414 	int pwr_key;
415 
416 	pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
417 	if (!pwr_key)
418 		return;
419 
420 	/* Clear PWR button Rising edge interrupt status flag */
421 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
422 
423 	if (key_pressed(KEY_VOLUMEUP))
424 		download_menu();
425 	else if (key_pressed(KEY_VOLUMEDOWN))
426 		mode_leave_menu(BOOT_MODE_THOR);
427 }
428 
429 void keys_init(void)
430 {
431 	/* Set direction to input */
432 	gpio_request(KEY_VOL_UP_GPIO, "volume-up");
433 	gpio_request(KEY_VOL_DOWN_GPIO, "volume-down");
434 	gpio_direction_input(KEY_VOL_UP_GPIO);
435 	gpio_direction_input(KEY_VOL_DOWN_GPIO);
436 }
437 #endif /* CONFIG_LCD_MENU */
438 
439 #ifdef CONFIG_CMD_BMP
440 void draw_logo(void)
441 {
442 	int x, y;
443 	ulong addr;
444 
445 	addr = panel_info.logo_addr;
446 	if (!addr) {
447 		error("There is no logo data.");
448 		return;
449 	}
450 
451 	if (panel_info.vl_width >= panel_info.logo_width) {
452 		x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
453 		x += panel_info.logo_x_offset; /* For X center align */
454 	} else {
455 		x = 0;
456 		printf("Warning: image width is bigger than display width\n");
457 	}
458 
459 	if (panel_info.vl_height >= panel_info.logo_height) {
460 		y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
461 		y += panel_info.logo_y_offset; /* For Y center align */
462 	} else {
463 		y = 0;
464 		printf("Warning: image height is bigger than display height\n");
465 	}
466 
467 	bmp_display(addr, x, y);
468 }
469 #endif /* CONFIG_CMD_BMP */
470