xref: /openbmc/u-boot/board/samsung/common/misc.c (revision ad5b5801)
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 static int check_keys(void)
151 {
152 	int keys = 0;
153 
154 	if (key_pressed(KEY_POWER))
155 		keys += KEY_POWER;
156 	if (key_pressed(KEY_VOLUMEUP))
157 		keys += KEY_VOLUMEUP;
158 	if (key_pressed(KEY_VOLUMEDOWN))
159 		keys += KEY_VOLUMEDOWN;
160 
161 	return keys;
162 }
163 
164 /*
165  * 0 BOOT_MODE_INFO
166  * 1 BOOT_MODE_THOR
167  * 2 BOOT_MODE_UMS
168  * 3 BOOT_MODE_DFU
169  * 4 BOOT_MODE_EXIT
170  */
171 static char *
172 mode_name[BOOT_MODE_EXIT + 1][2] = {
173 	{"DEVICE", ""},
174 	{"THOR", "thor"},
175 	{"UMS", "ums"},
176 	{"DFU", "dfu"},
177 	{"GPT", "gpt"},
178 	{"ENV", "env"},
179 	{"EXIT", ""},
180 };
181 
182 static char *
183 mode_info[BOOT_MODE_EXIT + 1] = {
184 	"info",
185 	"downloader",
186 	"mass storage",
187 	"firmware update",
188 	"restore",
189 	"default",
190 	"and run normal boot"
191 };
192 
193 static char *
194 mode_cmd[BOOT_MODE_EXIT + 1] = {
195 	"",
196 	"thor 0 mmc 0",
197 	"ums 0 mmc 0",
198 	"dfu 0 mmc 0",
199 	"gpt write mmc 0 $partitions",
200 	"env default -a; saveenv",
201 	"",
202 };
203 
204 static void display_board_info(void)
205 {
206 #ifdef CONFIG_GENERIC_MMC
207 	struct mmc *mmc = find_mmc_device(0);
208 #endif
209 	vidinfo_t *vid = &panel_info;
210 
211 	lcd_position_cursor(4, 4);
212 
213 	lcd_printf("%s\n\t", U_BOOT_VERSION);
214 	lcd_puts("\n\t\tBoard Info:\n");
215 #ifdef CONFIG_SYS_BOARD
216 	lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
217 #endif
218 #ifdef CONFIG_REVISION_TAG
219 	lcd_printf("\tBoard rev: %u\n", get_board_rev());
220 #endif
221 	lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
222 	lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
223 
224 #ifdef CONFIG_GENERIC_MMC
225 	if (mmc) {
226 		if (!mmc->capacity)
227 			mmc_init(mmc);
228 
229 		lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
230 	}
231 #endif
232 	if (vid)
233 		lcd_printf("\tDisplay resolution: %u x % u\n",
234 			   vid->vl_col, vid->vl_row);
235 
236 	lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
237 }
238 
239 static int mode_leave_menu(int mode)
240 {
241 	char *exit_option;
242 	char *exit_reset = "reset";
243 	char *exit_back = "back";
244 	cmd_tbl_t *cmd;
245 	int cmd_result;
246 	int leave;
247 
248 	lcd_clear();
249 
250 	switch (mode) {
251 	case BOOT_MODE_EXIT:
252 		return 1;
253 	case BOOT_MODE_INFO:
254 		display_board_info();
255 		exit_option = exit_back;
256 		leave = 0;
257 		break;
258 	default:
259 		cmd = find_cmd(mode_name[mode][1]);
260 		if (cmd) {
261 			printf("Enter: %s %s\n", mode_name[mode][0],
262 			       mode_info[mode]);
263 			lcd_printf("\n\n\t%s %s\n", mode_name[mode][0],
264 				   mode_info[mode]);
265 			lcd_puts("\n\tDo not turn off device before finish!\n");
266 
267 			cmd_result = run_command(mode_cmd[mode], 0);
268 
269 			if (cmd_result == CMD_RET_SUCCESS) {
270 				printf("Command finished\n");
271 				lcd_clear();
272 				lcd_printf("\n\n\t%s finished\n",
273 					   mode_name[mode][0]);
274 
275 				exit_option = exit_reset;
276 				leave = 1;
277 			} else {
278 				printf("Command error\n");
279 				lcd_clear();
280 				lcd_printf("\n\n\t%s command error\n",
281 					   mode_name[mode][0]);
282 
283 				exit_option = exit_back;
284 				leave = 0;
285 			}
286 		} else {
287 			lcd_puts("\n\n\tThis mode is not supported.\n");
288 			exit_option = exit_back;
289 			leave = 0;
290 		}
291 	}
292 
293 	lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
294 
295 	/* Clear PWR button Rising edge interrupt status flag */
296 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
297 
298 	/* Wait for PWR key */
299 	while (!key_pressed(KEY_POWER))
300 		mdelay(1);
301 
302 	lcd_clear();
303 	return leave;
304 }
305 
306 static void display_download_menu(int mode)
307 {
308 	char *selection[BOOT_MODE_EXIT + 1];
309 	int i;
310 
311 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
312 		selection[i] = "[  ]";
313 
314 	selection[mode] = "[=>]";
315 
316 	lcd_clear();
317 	lcd_printf("\n\n\t\tDownload Mode Menu\n\n");
318 
319 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
320 		lcd_printf("\t%s  %s - %s\n\n", selection[i],
321 			   mode_name[i][0], mode_info[i]);
322 }
323 
324 static void download_menu(void)
325 {
326 	int mode = 0;
327 	int last_mode = 0;
328 	int run;
329 	int key = 0;
330 	int timeout = 15; /* sec */
331 	int i;
332 
333 	display_download_menu(mode);
334 
335 	lcd_puts("\n");
336 
337 	/* Start count if no key is pressed */
338 	while (check_keys())
339 		continue;
340 
341 	while (timeout--) {
342 		lcd_printf("\r\tNormal boot will start in: %2.d seconds.",
343 			   timeout);
344 
345 		/* about 1000 ms in for loop */
346 		for (i = 0; i < 10; i++) {
347 			mdelay(100);
348 			key = check_keys();
349 			if (key)
350 				break;
351 		}
352 		if (key)
353 			break;
354 	}
355 
356 	if (!key) {
357 		lcd_clear();
358 		return;
359 	}
360 
361 	while (1) {
362 		run = 0;
363 
364 		if (mode != last_mode)
365 			display_download_menu(mode);
366 
367 		last_mode = mode;
368 		mdelay(200);
369 
370 		key = check_keys();
371 		switch (key) {
372 		case KEY_POWER:
373 			run = 1;
374 			break;
375 		case KEY_VOLUMEUP:
376 			if (mode > 0)
377 				mode--;
378 			break;
379 		case KEY_VOLUMEDOWN:
380 			if (mode < BOOT_MODE_EXIT)
381 				mode++;
382 			break;
383 		default:
384 			break;
385 		}
386 
387 		if (run) {
388 			if (mode_leave_menu(mode))
389 				run_command("reset", 0);
390 
391 			display_download_menu(mode);
392 		}
393 	}
394 
395 	lcd_clear();
396 }
397 
398 void check_boot_mode(void)
399 {
400 	int pwr_key;
401 
402 	pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
403 	if (!pwr_key)
404 		return;
405 
406 	/* Clear PWR button Rising edge interrupt status flag */
407 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
408 
409 	if (key_pressed(KEY_VOLUMEUP))
410 		download_menu();
411 	else if (key_pressed(KEY_VOLUMEDOWN))
412 		mode_leave_menu(BOOT_MODE_THOR);
413 }
414 
415 void keys_init(void)
416 {
417 	/* Set direction to input */
418 	gpio_request(KEY_VOL_UP_GPIO, "volume-up");
419 	gpio_request(KEY_VOL_DOWN_GPIO, "volume-down");
420 	gpio_direction_input(KEY_VOL_UP_GPIO);
421 	gpio_direction_input(KEY_VOL_DOWN_GPIO);
422 }
423 #endif /* CONFIG_LCD_MENU */
424 
425 #ifdef CONFIG_CMD_BMP
426 void draw_logo(void)
427 {
428 	int x, y;
429 	ulong addr;
430 
431 	addr = panel_info.logo_addr;
432 	if (!addr) {
433 		error("There is no logo data.");
434 		return;
435 	}
436 
437 	if (panel_info.vl_width >= panel_info.logo_width) {
438 		x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
439 		x += panel_info.logo_x_offset; /* For X center align */
440 	} else {
441 		x = 0;
442 		printf("Warning: image width is bigger than display width\n");
443 	}
444 
445 	if (panel_info.vl_height >= panel_info.logo_height) {
446 		y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
447 		y += panel_info.logo_y_offset; /* For Y center align */
448 	} else {
449 		y = 0;
450 		printf("Warning: image height is bigger than display height\n");
451 	}
452 
453 	bmp_display(addr, x, y);
454 }
455 #endif /* CONFIG_CMD_BMP */
456