xref: /openbmc/u-boot/board/samsung/common/misc.c (revision 089fddfd)
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 <linux/sizes.h>
16 #include <asm/arch/cpu.h>
17 #include <asm/gpio.h>
18 #include <linux/input.h>
19 #include <dm.h>
20 #include <power/pmic.h>
21 #include <mmc.h>
22 
23 DECLARE_GLOBAL_DATA_PTR;
24 
25 #ifdef CONFIG_SET_DFU_ALT_INFO
26 void set_dfu_alt_info(char *interface, char *devstr)
27 {
28 	size_t buf_size = CONFIG_SET_DFU_ALT_BUF_LEN;
29 	ALLOC_CACHE_ALIGN_BUFFER(char, buf, buf_size);
30 	char *alt_info = "Settings not found!";
31 	char *status = "error!\n";
32 	char *alt_setting;
33 	char *alt_sep;
34 	int offset = 0;
35 
36 	puts("DFU alt info setting: ");
37 
38 	alt_setting = get_dfu_alt_boot(interface, devstr);
39 	if (alt_setting) {
40 		setenv("dfu_alt_boot", alt_setting);
41 		offset = snprintf(buf, buf_size, "%s", alt_setting);
42 	}
43 
44 	alt_setting = get_dfu_alt_system(interface, devstr);
45 	if (alt_setting) {
46 		if (offset)
47 			alt_sep = ";";
48 		else
49 			alt_sep = "";
50 
51 		offset += snprintf(buf + offset, buf_size - offset,
52 				    "%s%s", alt_sep, alt_setting);
53 	}
54 
55 	if (offset) {
56 		alt_info = buf;
57 		status = "done\n";
58 	}
59 
60 	setenv("dfu_alt_info", alt_info);
61 	puts(status);
62 }
63 #endif
64 
65 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
66 void set_board_info(void)
67 {
68 	char info[64];
69 
70 	snprintf(info, ARRAY_SIZE(info), "%u.%u", (s5p_cpu_rev & 0xf0) >> 4,
71 		 s5p_cpu_rev & 0xf);
72 	setenv("soc_rev", info);
73 
74 	snprintf(info, ARRAY_SIZE(info), "%x", s5p_cpu_id);
75 	setenv("soc_id", info);
76 
77 #ifdef CONFIG_REVISION_TAG
78 	snprintf(info, ARRAY_SIZE(info), "%x", get_board_rev());
79 	setenv("board_rev", info);
80 #endif
81 #ifdef CONFIG_OF_LIBFDT
82 	const char *bdtype = "";
83 	const char *bdname = CONFIG_SYS_BOARD;
84 
85 #ifdef CONFIG_BOARD_TYPES
86 	bdtype = get_board_type();
87 	sprintf(info, "%s%s", bdname, bdtype);
88 	setenv("boardname", info);
89 #endif
90 	snprintf(info, ARRAY_SIZE(info),  "%s%x-%s%s.dtb",
91 		 CONFIG_SYS_SOC, s5p_cpu_id, bdname, bdtype);
92 	setenv("fdtfile", info);
93 #endif
94 }
95 #endif /* CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG */
96 
97 #ifdef CONFIG_LCD_MENU
98 static int power_key_pressed(u32 reg)
99 {
100 	struct pmic *pmic;
101 	u32 status;
102 	u32 mask;
103 
104 	pmic = pmic_get(KEY_PWR_PMIC_NAME);
105 	if (!pmic) {
106 		printf("%s: Not found\n", KEY_PWR_PMIC_NAME);
107 		return 0;
108 	}
109 
110 	if (pmic_probe(pmic))
111 		return 0;
112 
113 	if (reg == KEY_PWR_STATUS_REG)
114 		mask = KEY_PWR_STATUS_MASK;
115 	else
116 		mask = KEY_PWR_INTERRUPT_MASK;
117 
118 	if (pmic_reg_read(pmic, reg, &status))
119 		return 0;
120 
121 	return !!(status & mask);
122 }
123 
124 static int key_pressed(int key)
125 {
126 	int value;
127 
128 	switch (key) {
129 	case KEY_POWER:
130 		value = power_key_pressed(KEY_PWR_INTERRUPT_REG);
131 		break;
132 	case KEY_VOLUMEUP:
133 		value = !gpio_get_value(KEY_VOL_UP_GPIO);
134 		break;
135 	case KEY_VOLUMEDOWN:
136 		value = !gpio_get_value(KEY_VOL_DOWN_GPIO);
137 		break;
138 	default:
139 		value = 0;
140 		break;
141 	}
142 
143 	return value;
144 }
145 
146 static int check_keys(void)
147 {
148 	int keys = 0;
149 
150 	if (key_pressed(KEY_POWER))
151 		keys += KEY_POWER;
152 	if (key_pressed(KEY_VOLUMEUP))
153 		keys += KEY_VOLUMEUP;
154 	if (key_pressed(KEY_VOLUMEDOWN))
155 		keys += KEY_VOLUMEDOWN;
156 
157 	return keys;
158 }
159 
160 /*
161  * 0 BOOT_MODE_INFO
162  * 1 BOOT_MODE_THOR
163  * 2 BOOT_MODE_UMS
164  * 3 BOOT_MODE_DFU
165  * 4 BOOT_MODE_EXIT
166  */
167 static char *
168 mode_name[BOOT_MODE_EXIT + 1][2] = {
169 	{"DEVICE", ""},
170 	{"THOR", "thor"},
171 	{"UMS", "ums"},
172 	{"DFU", "dfu"},
173 	{"GPT", "gpt"},
174 	{"ENV", "env"},
175 	{"EXIT", ""},
176 };
177 
178 static char *
179 mode_info[BOOT_MODE_EXIT + 1] = {
180 	"info",
181 	"downloader",
182 	"mass storage",
183 	"firmware update",
184 	"restore",
185 	"default",
186 	"and run normal boot"
187 };
188 
189 static char *
190 mode_cmd[BOOT_MODE_EXIT + 1] = {
191 	"",
192 	"thor 0 mmc 0",
193 	"ums 0 mmc 0",
194 	"dfu 0 mmc 0",
195 	"gpt write mmc 0 $partitions",
196 	"env default -a; saveenv",
197 	"",
198 };
199 
200 static void display_board_info(void)
201 {
202 #ifdef CONFIG_GENERIC_MMC
203 	struct mmc *mmc = find_mmc_device(0);
204 #endif
205 	vidinfo_t *vid = &panel_info;
206 
207 	lcd_position_cursor(4, 4);
208 
209 	lcd_printf("%s\n\t", U_BOOT_VERSION);
210 	lcd_puts("\n\t\tBoard Info:\n");
211 #ifdef CONFIG_SYS_BOARD
212 	lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
213 #endif
214 #ifdef CONFIG_REVISION_TAG
215 	lcd_printf("\tBoard rev: %u\n", get_board_rev());
216 #endif
217 	lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
218 	lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
219 
220 #ifdef CONFIG_GENERIC_MMC
221 	if (mmc) {
222 		if (!mmc->capacity)
223 			mmc_init(mmc);
224 
225 		lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
226 	}
227 #endif
228 	if (vid)
229 		lcd_printf("\tDisplay resolution: %u x % u\n",
230 			   vid->vl_col, vid->vl_row);
231 
232 	lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
233 }
234 
235 static int mode_leave_menu(int mode)
236 {
237 	char *exit_option;
238 	char *exit_reset = "reset";
239 	char *exit_back = "back";
240 	cmd_tbl_t *cmd;
241 	int cmd_result;
242 	int leave;
243 
244 	lcd_clear();
245 
246 	switch (mode) {
247 	case BOOT_MODE_EXIT:
248 		return 1;
249 	case BOOT_MODE_INFO:
250 		display_board_info();
251 		exit_option = exit_back;
252 		leave = 0;
253 		break;
254 	default:
255 		cmd = find_cmd(mode_name[mode][1]);
256 		if (cmd) {
257 			printf("Enter: %s %s\n", mode_name[mode][0],
258 						 mode_info[mode]);
259 			lcd_printf("\n\n\t%s %s\n", mode_name[mode][0],
260 						    mode_info[mode]);
261 			lcd_puts("\n\tDo not turn off device before finish!\n");
262 
263 			cmd_result = run_command(mode_cmd[mode], 0);
264 
265 			if (cmd_result == CMD_RET_SUCCESS) {
266 				printf("Command finished\n");
267 				lcd_clear();
268 				lcd_printf("\n\n\t%s finished\n",
269 					   mode_name[mode][0]);
270 
271 				exit_option = exit_reset;
272 				leave = 1;
273 			} else {
274 				printf("Command error\n");
275 				lcd_clear();
276 				lcd_printf("\n\n\t%s command error\n",
277 					   mode_name[mode][0]);
278 
279 				exit_option = exit_back;
280 				leave = 0;
281 			}
282 		} else {
283 			lcd_puts("\n\n\tThis mode is not supported.\n");
284 			exit_option = exit_back;
285 			leave = 0;
286 		}
287 	}
288 
289 	lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
290 
291 	/* Clear PWR button Rising edge interrupt status flag */
292 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
293 
294 	/* Wait for PWR key */
295 	while (!key_pressed(KEY_POWER))
296 		mdelay(1);
297 
298 	lcd_clear();
299 	return leave;
300 }
301 
302 static void display_download_menu(int mode)
303 {
304 	char *selection[BOOT_MODE_EXIT + 1];
305 	int i;
306 
307 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
308 		selection[i] = "[  ]";
309 
310 	selection[mode] = "[=>]";
311 
312 	lcd_clear();
313 	lcd_printf("\n\n\t\tDownload Mode Menu\n\n");
314 
315 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
316 		lcd_printf("\t%s  %s - %s\n\n", selection[i],
317 						mode_name[i][0],
318 						mode_info[i]);
319 }
320 
321 static void download_menu(void)
322 {
323 	int mode = 0;
324 	int last_mode = 0;
325 	int run;
326 	int key = 0;
327 	int timeout = 15; /* sec */
328 	int i;
329 
330 	display_download_menu(mode);
331 
332 	lcd_puts("\n");
333 
334 	/* Start count if no key is pressed */
335 	while (check_keys())
336 		continue;
337 
338 	while (timeout--) {
339 		lcd_printf("\r\tNormal boot will start in: %2.d seconds.",
340 			   timeout);
341 
342 		/* about 1000 ms in for loop */
343 		for (i = 0; i < 10; i++) {
344 			mdelay(100);
345 			key = check_keys();
346 			if (key)
347 				break;
348 		}
349 		if (key)
350 			break;
351 	}
352 
353 	if (!key) {
354 		lcd_clear();
355 		return;
356 	}
357 
358 	while (1) {
359 		run = 0;
360 
361 		if (mode != last_mode)
362 			display_download_menu(mode);
363 
364 		last_mode = mode;
365 		mdelay(200);
366 
367 		key = check_keys();
368 		switch (key) {
369 		case KEY_POWER:
370 			run = 1;
371 			break;
372 		case KEY_VOLUMEUP:
373 			if (mode > 0)
374 				mode--;
375 			break;
376 		case KEY_VOLUMEDOWN:
377 			if (mode < BOOT_MODE_EXIT)
378 				mode++;
379 			break;
380 		default:
381 			break;
382 		}
383 
384 		if (run) {
385 			if (mode_leave_menu(mode))
386 				run_command("reset", 0);
387 
388 			display_download_menu(mode);
389 		}
390 	}
391 
392 	lcd_clear();
393 }
394 
395 void check_boot_mode(void)
396 {
397 	int pwr_key;
398 
399 	pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
400 	if (!pwr_key)
401 		return;
402 
403 	/* Clear PWR button Rising edge interrupt status flag */
404 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
405 
406 	if (key_pressed(KEY_VOLUMEUP))
407 		download_menu();
408 	else if (key_pressed(KEY_VOLUMEDOWN))
409 		mode_leave_menu(BOOT_MODE_THOR);
410 }
411 
412 void keys_init(void)
413 {
414 	/* Set direction to input */
415 	gpio_request(KEY_VOL_UP_GPIO, "volume-up");
416 	gpio_request(KEY_VOL_DOWN_GPIO, "volume-down");
417 	gpio_direction_input(KEY_VOL_UP_GPIO);
418 	gpio_direction_input(KEY_VOL_DOWN_GPIO);
419 }
420 #endif /* CONFIG_LCD_MENU */
421 
422 #ifdef CONFIG_CMD_BMP
423 void draw_logo(void)
424 {
425 	int x, y;
426 	ulong addr;
427 
428 	addr = panel_info.logo_addr;
429 	if (!addr) {
430 		error("There is no logo data.");
431 		return;
432 	}
433 
434 	if (panel_info.vl_width >= panel_info.logo_width) {
435 		x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
436 		x += panel_info.logo_x_offset; /* For X center align */
437 	} else {
438 		x = 0;
439 		printf("Warning: image width is bigger than display width\n");
440 	}
441 
442 	if (panel_info.vl_height >= panel_info.logo_height) {
443 		y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
444 		y += panel_info.logo_y_offset; /* For Y center align */
445 	} else {
446 		y = 0;
447 		printf("Warning: image height is bigger than display height\n");
448 	}
449 
450 	bmp_display(addr, x, y);
451 }
452 #endif /* CONFIG_CMD_BMP */
453