xref: /openbmc/u-boot/board/samsung/common/misc.c (revision c346e466)
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 <linux/sizes.h>
15 #include <asm/arch/cpu.h>
16 #include <asm/arch/gpio.h>
17 #include <asm/gpio.h>
18 #include <linux/input.h>
19 #include <power/pmic.h>
20 #include <mmc.h>
21 
22 DECLARE_GLOBAL_DATA_PTR;
23 
24 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
25 void set_board_info(void)
26 {
27 	char info[64];
28 
29 	snprintf(info, ARRAY_SIZE(info), "%d.%d", s5p_cpu_rev & 0x0f,
30 		 (s5p_cpu_rev & 0xf0) >> 0x04);
31 	setenv("soc_rev", info);
32 
33 	snprintf(info, ARRAY_SIZE(info), "%x", s5p_cpu_id);
34 	setenv("soc_id", info);
35 
36 #ifdef CONFIG_REVISION_TAG
37 	snprintf(info, ARRAY_SIZE(info), "%x", get_board_rev());
38 	setenv("board_rev", info);
39 #endif
40 #ifdef CONFIG_OF_LIBFDT
41 	snprintf(info, ARRAY_SIZE(info),  "%s%x-%s.dtb",
42 		 CONFIG_SYS_SOC, s5p_cpu_id, CONFIG_SYS_BOARD);
43 	setenv("fdtfile", info);
44 #endif
45 }
46 #endif /* CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG */
47 
48 #ifdef CONFIG_LCD_MENU
49 static int power_key_pressed(u32 reg)
50 {
51 	struct pmic *pmic;
52 	u32 status;
53 	u32 mask;
54 
55 	pmic = pmic_get(KEY_PWR_PMIC_NAME);
56 	if (!pmic) {
57 		printf("%s: Not found\n", KEY_PWR_PMIC_NAME);
58 		return 0;
59 	}
60 
61 	if (pmic_probe(pmic))
62 		return 0;
63 
64 	if (reg == KEY_PWR_STATUS_REG)
65 		mask = KEY_PWR_STATUS_MASK;
66 	else
67 		mask = KEY_PWR_INTERRUPT_MASK;
68 
69 	if (pmic_reg_read(pmic, reg, &status))
70 		return 0;
71 
72 	return !!(status & mask);
73 }
74 
75 static int key_pressed(int key)
76 {
77 	int value;
78 
79 	switch (key) {
80 	case KEY_POWER:
81 		value = power_key_pressed(KEY_PWR_INTERRUPT_REG);
82 		break;
83 	case KEY_VOLUMEUP:
84 		value = !gpio_get_value(KEY_VOL_UP_GPIO);
85 		break;
86 	case KEY_VOLUMEDOWN:
87 		value = !gpio_get_value(KEY_VOL_DOWN_GPIO);
88 		break;
89 	default:
90 		value = 0;
91 		break;
92 	}
93 
94 	return value;
95 }
96 
97 static int check_keys(void)
98 {
99 	int keys = 0;
100 
101 	if (key_pressed(KEY_POWER))
102 		keys += KEY_POWER;
103 	if (key_pressed(KEY_VOLUMEUP))
104 		keys += KEY_VOLUMEUP;
105 	if (key_pressed(KEY_VOLUMEDOWN))
106 		keys += KEY_VOLUMEDOWN;
107 
108 	return keys;
109 }
110 
111 /*
112  * 0 BOOT_MODE_INFO
113  * 1 BOOT_MODE_THOR
114  * 2 BOOT_MODE_UMS
115  * 3 BOOT_MODE_DFU
116  * 4 BOOT_MODE_EXIT
117  */
118 static char *
119 mode_name[BOOT_MODE_EXIT + 1][2] = {
120 	{"DEVICE", ""},
121 	{"THOR", "thor"},
122 	{"UMS", "ums"},
123 	{"DFU", "dfu"},
124 	{"GPT", "gpt"},
125 	{"ENV", "env"},
126 	{"EXIT", ""},
127 };
128 
129 static char *
130 mode_info[BOOT_MODE_EXIT + 1] = {
131 	"info",
132 	"downloader",
133 	"mass storage",
134 	"firmware update",
135 	"restore",
136 	"default",
137 	"and run normal boot"
138 };
139 
140 static char *
141 mode_cmd[BOOT_MODE_EXIT + 1] = {
142 	"",
143 	"thor 0 mmc 0",
144 	"ums 0 mmc 0",
145 	"dfu 0 mmc 0",
146 	"gpt write mmc 0 $partitions",
147 	"env default -a; saveenv",
148 	"",
149 };
150 
151 static void display_board_info(void)
152 {
153 #ifdef CONFIG_GENERIC_MMC
154 	struct mmc *mmc = find_mmc_device(0);
155 #endif
156 	vidinfo_t *vid = &panel_info;
157 
158 	lcd_position_cursor(4, 4);
159 
160 	lcd_printf("%s\n\t", U_BOOT_VERSION);
161 	lcd_puts("\n\t\tBoard Info:\n");
162 #ifdef CONFIG_SYS_BOARD
163 	lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
164 #endif
165 #ifdef CONFIG_REVISION_TAG
166 	lcd_printf("\tBoard rev: %u\n", get_board_rev());
167 #endif
168 	lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
169 	lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
170 
171 #ifdef CONFIG_GENERIC_MMC
172 	if (mmc) {
173 		if (!mmc->capacity)
174 			mmc_init(mmc);
175 
176 		lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
177 	}
178 #endif
179 	if (vid)
180 		lcd_printf("\tDisplay resolution: %u x % u\n",
181 			   vid->vl_col, vid->vl_row);
182 
183 	lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
184 }
185 
186 static int mode_leave_menu(int mode)
187 {
188 	char *exit_option;
189 	char *exit_reset = "reset";
190 	char *exit_back = "back";
191 	cmd_tbl_t *cmd;
192 	int cmd_result;
193 	int leave;
194 
195 	lcd_clear();
196 
197 	switch (mode) {
198 	case BOOT_MODE_EXIT:
199 		return 1;
200 	case BOOT_MODE_INFO:
201 		display_board_info();
202 		exit_option = exit_back;
203 		leave = 0;
204 		break;
205 	default:
206 		cmd = find_cmd(mode_name[mode][1]);
207 		if (cmd) {
208 			printf("Enter: %s %s\n", mode_name[mode][0],
209 						 mode_info[mode]);
210 			lcd_printf("\n\n\t%s %s\n", mode_name[mode][0],
211 						    mode_info[mode]);
212 			lcd_puts("\n\tDo not turn off device before finish!\n");
213 
214 			cmd_result = run_command(mode_cmd[mode], 0);
215 
216 			if (cmd_result == CMD_RET_SUCCESS) {
217 				printf("Command finished\n");
218 				lcd_clear();
219 				lcd_printf("\n\n\t%s finished\n",
220 					   mode_name[mode][0]);
221 
222 				exit_option = exit_reset;
223 				leave = 1;
224 			} else {
225 				printf("Command error\n");
226 				lcd_clear();
227 				lcd_printf("\n\n\t%s command error\n",
228 					   mode_name[mode][0]);
229 
230 				exit_option = exit_back;
231 				leave = 0;
232 			}
233 		} else {
234 			lcd_puts("\n\n\tThis mode is not supported.\n");
235 			exit_option = exit_back;
236 			leave = 0;
237 		}
238 	}
239 
240 	lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
241 
242 	/* Clear PWR button Rising edge interrupt status flag */
243 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
244 
245 	/* Wait for PWR key */
246 	while (!key_pressed(KEY_POWER))
247 		mdelay(1);
248 
249 	lcd_clear();
250 	return leave;
251 }
252 
253 static void display_download_menu(int mode)
254 {
255 	char *selection[BOOT_MODE_EXIT + 1];
256 	int i;
257 
258 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
259 		selection[i] = "[  ]";
260 
261 	selection[mode] = "[=>]";
262 
263 	lcd_clear();
264 	lcd_printf("\n\n\t\tDownload Mode Menu\n\n");
265 
266 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
267 		lcd_printf("\t%s  %s - %s\n\n", selection[i],
268 						mode_name[i][0],
269 						mode_info[i]);
270 }
271 
272 static void download_menu(void)
273 {
274 	int mode = 0;
275 	int last_mode = 0;
276 	int run;
277 	int key = 0;
278 	int timeout = 15; /* sec */
279 	int i;
280 
281 	display_download_menu(mode);
282 
283 	lcd_puts("\n");
284 
285 	/* Start count if no key is pressed */
286 	while (check_keys())
287 		continue;
288 
289 	while (timeout--) {
290 		lcd_printf("\r\tNormal boot will start in: %2.d seconds.",
291 			   timeout);
292 
293 		/* about 1000 ms in for loop */
294 		for (i = 0; i < 10; i++) {
295 			mdelay(100);
296 			key = check_keys();
297 			if (key)
298 				break;
299 		}
300 		if (key)
301 			break;
302 	}
303 
304 	if (!key) {
305 		lcd_clear();
306 		return;
307 	}
308 
309 	while (1) {
310 		run = 0;
311 
312 		if (mode != last_mode)
313 			display_download_menu(mode);
314 
315 		last_mode = mode;
316 		mdelay(200);
317 
318 		key = check_keys();
319 		switch (key) {
320 		case KEY_POWER:
321 			run = 1;
322 			break;
323 		case KEY_VOLUMEUP:
324 			if (mode > 0)
325 				mode--;
326 			break;
327 		case KEY_VOLUMEDOWN:
328 			if (mode < BOOT_MODE_EXIT)
329 				mode++;
330 			break;
331 		default:
332 			break;
333 		}
334 
335 		if (run) {
336 			if (mode_leave_menu(mode))
337 				run_command("reset", 0);
338 
339 			display_download_menu(mode);
340 		}
341 	}
342 
343 	lcd_clear();
344 }
345 
346 void check_boot_mode(void)
347 {
348 	int pwr_key;
349 
350 	pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
351 	if (!pwr_key)
352 		return;
353 
354 	/* Clear PWR button Rising edge interrupt status flag */
355 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
356 
357 	if (key_pressed(KEY_VOLUMEUP))
358 		download_menu();
359 	else if (key_pressed(KEY_VOLUMEDOWN))
360 		mode_leave_menu(BOOT_MODE_THOR);
361 }
362 
363 void keys_init(void)
364 {
365 	/* Set direction to input */
366 	gpio_direction_input(KEY_VOL_UP_GPIO);
367 	gpio_direction_input(KEY_VOL_DOWN_GPIO);
368 }
369 #endif /* CONFIG_LCD_MENU */
370 
371 #ifdef CONFIG_CMD_BMP
372 void draw_logo(void)
373 {
374 	int x, y;
375 	ulong addr;
376 
377 	addr = panel_info.logo_addr;
378 	if (!addr) {
379 		error("There is no logo data.");
380 		return;
381 	}
382 
383 	if (panel_info.vl_width >= panel_info.logo_width) {
384 		x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
385 		x += panel_info.logo_x_offset; /* For X center align */
386 	} else {
387 		x = 0;
388 		printf("Warning: image width is bigger than display width\n");
389 	}
390 
391 	if (panel_info.vl_height >= panel_info.logo_height) {
392 		y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
393 		y += panel_info.logo_y_offset; /* For Y center align */
394 	} else {
395 		y = 0;
396 		printf("Warning: image height is bigger than display height\n");
397 	}
398 
399 	bmp_display(addr, x, y);
400 }
401 #endif /* CONFIG_CMD_BMP */
402