xref: /openbmc/u-boot/board/samsung/common/misc.c (revision 1ace4022)
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] = {
120 	"DEVICE",
121 	"THOR",
122 	"UMS",
123 	"DFU",
124 	"EXIT"
125 };
126 
127 static char *
128 mode_info[BOOT_MODE_EXIT + 1] = {
129 	"info",
130 	"downloader",
131 	"mass storage",
132 	"firmware update",
133 	"and run normal boot"
134 };
135 
136 #define MODE_CMD_ARGC	4
137 
138 static char *
139 mode_cmd[BOOT_MODE_EXIT + 1][MODE_CMD_ARGC] = {
140 	{"", "", "", ""},
141 	{"thor", "0", "mmc", "0"},
142 	{"ums", "0", "mmc", "0"},
143 	{"dfu", "0", "mmc", "0"},
144 	{"", "", "", ""},
145 };
146 
147 static void display_board_info(void)
148 {
149 #ifdef CONFIG_GENERIC_MMC
150 	struct mmc *mmc = find_mmc_device(0);
151 #endif
152 	vidinfo_t *vid = &panel_info;
153 
154 	lcd_position_cursor(4, 4);
155 
156 	lcd_printf("%s\n\t", U_BOOT_VERSION);
157 	lcd_puts("\n\t\tBoard Info:\n");
158 #ifdef CONFIG_SYS_BOARD
159 	lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
160 #endif
161 #ifdef CONFIG_REVISION_TAG
162 	lcd_printf("\tBoard rev: %u\n", get_board_rev());
163 #endif
164 	lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
165 	lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
166 
167 #ifdef CONFIG_GENERIC_MMC
168 	if (mmc) {
169 		if (!mmc->capacity)
170 			mmc_init(mmc);
171 
172 		lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
173 	}
174 #endif
175 	if (vid)
176 		lcd_printf("\tDisplay resolution: %u x % u\n",
177 			   vid->vl_col, vid->vl_row);
178 
179 	lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
180 }
181 
182 static int mode_leave_menu(int mode)
183 {
184 	char *exit_option;
185 	char *exit_boot = "boot";
186 	char *exit_back = "back";
187 	cmd_tbl_t *cmd;
188 	int cmd_result;
189 	int cmd_repeatable;
190 	int leave;
191 
192 	lcd_clear();
193 
194 	switch (mode) {
195 	case BOOT_MODE_EXIT:
196 		return 1;
197 	case BOOT_MODE_INFO:
198 		display_board_info();
199 		exit_option = exit_back;
200 		leave = 0;
201 		break;
202 	default:
203 		cmd = find_cmd(mode_cmd[mode][0]);
204 		if (cmd) {
205 			printf("Enter: %s %s\n", mode_name[mode],
206 						 mode_info[mode]);
207 			lcd_printf("\n\n\t%s %s\n", mode_name[mode],
208 						    mode_info[mode]);
209 			lcd_puts("\n\tDo not turn off device before finish!\n");
210 
211 			cmd_result = cmd_process(0, MODE_CMD_ARGC,
212 						 *(mode_cmd + mode),
213 						 &cmd_repeatable, NULL);
214 
215 			if (cmd_result == CMD_RET_SUCCESS) {
216 				printf("Command finished\n");
217 				lcd_clear();
218 				lcd_printf("\n\n\t%s finished\n",
219 					   mode_name[mode]);
220 
221 				exit_option = exit_boot;
222 				leave = 1;
223 			} else {
224 				printf("Command error\n");
225 				lcd_clear();
226 				lcd_printf("\n\n\t%s command error\n",
227 					   mode_name[mode]);
228 
229 				exit_option = exit_back;
230 				leave = 0;
231 			}
232 		} else {
233 			lcd_puts("\n\n\tThis mode is not supported.\n");
234 			exit_option = exit_back;
235 			leave = 0;
236 		}
237 	}
238 
239 	lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
240 
241 	/* Clear PWR button Rising edge interrupt status flag */
242 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
243 
244 	/* Wait for PWR key */
245 	while (!key_pressed(KEY_POWER))
246 		mdelay(1);
247 
248 	lcd_clear();
249 	return leave;
250 }
251 
252 static void display_download_menu(int mode)
253 {
254 	char *selection[BOOT_MODE_EXIT + 1];
255 	int i;
256 
257 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
258 		selection[i] = "[  ]";
259 
260 	selection[mode] = "[=>]";
261 
262 	lcd_clear();
263 	lcd_printf("\n\t\tDownload Mode Menu\n");
264 
265 	for (i = 0; i <= BOOT_MODE_EXIT; i++)
266 		lcd_printf("\t%s  %s - %s\n\n", selection[i],
267 						mode_name[i],
268 						mode_info[i]);
269 }
270 
271 static void download_menu(void)
272 {
273 	int mode = 0;
274 	int last_mode = 0;
275 	int run;
276 	int key;
277 
278 	display_download_menu(mode);
279 
280 	while (1) {
281 		run = 0;
282 
283 		if (mode != last_mode)
284 			display_download_menu(mode);
285 
286 		last_mode = mode;
287 		mdelay(100);
288 
289 		key = check_keys();
290 		switch (key) {
291 		case KEY_POWER:
292 			run = 1;
293 			break;
294 		case KEY_VOLUMEUP:
295 			if (mode > 0)
296 				mode--;
297 			break;
298 		case KEY_VOLUMEDOWN:
299 			if (mode < BOOT_MODE_EXIT)
300 				mode++;
301 			break;
302 		default:
303 			break;
304 		}
305 
306 		if (run) {
307 			if (mode_leave_menu(mode))
308 				break;
309 
310 			display_download_menu(mode);
311 		}
312 	}
313 
314 	lcd_clear();
315 }
316 
317 static void display_mode_info(void)
318 {
319 	lcd_position_cursor(4, 4);
320 	lcd_printf("%s\n", U_BOOT_VERSION);
321 	lcd_puts("\nDownload Mode Menu\n");
322 #ifdef CONFIG_SYS_BOARD
323 	lcd_printf("Board name: %s\n", CONFIG_SYS_BOARD);
324 #endif
325 	lcd_printf("Press POWER KEY to display MENU options.");
326 }
327 
328 static int boot_menu(void)
329 {
330 	int key = 0;
331 	int timeout = 10;
332 
333 	display_mode_info();
334 
335 	while (timeout--) {
336 		lcd_printf("\rNormal boot will start in: %d seconds.", timeout);
337 		mdelay(1000);
338 
339 		key = key_pressed(KEY_POWER);
340 		if (key)
341 			break;
342 	}
343 
344 	lcd_clear();
345 
346 	/* If PWR pressed - show download menu */
347 	if (key) {
348 		printf("Power pressed - go to download menu\n");
349 		download_menu();
350 		printf("Download mode exit.\n");
351 	}
352 
353 	return 0;
354 }
355 
356 void check_boot_mode(void)
357 {
358 	int pwr_key;
359 
360 	pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
361 	if (!pwr_key)
362 		return;
363 
364 	/* Clear PWR button Rising edge interrupt status flag */
365 	power_key_pressed(KEY_PWR_INTERRUPT_REG);
366 
367 	if (key_pressed(KEY_VOLUMEUP))
368 		boot_menu();
369 	else if (key_pressed(KEY_VOLUMEDOWN))
370 		mode_leave_menu(BOOT_MODE_THOR);
371 }
372 
373 void keys_init(void)
374 {
375 	/* Set direction to input */
376 	gpio_direction_input(KEY_VOL_UP_GPIO);
377 	gpio_direction_input(KEY_VOL_DOWN_GPIO);
378 }
379 #endif /* CONFIG_LCD_MENU */
380 
381 #ifdef CONFIG_CMD_BMP
382 void draw_logo(void)
383 {
384 	int x, y;
385 	ulong addr;
386 
387 	addr = panel_info.logo_addr;
388 	if (!addr) {
389 		error("There is no logo data.");
390 		return;
391 	}
392 
393 	if (panel_info.vl_width >= panel_info.logo_width) {
394 		x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
395 		x += panel_info.logo_x_offset; /* For X center align */
396 	} else {
397 		x = 0;
398 		printf("Warning: image width is bigger than display width\n");
399 	}
400 
401 	if (panel_info.vl_height >= panel_info.logo_height) {
402 		y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
403 		y += panel_info.logo_y_offset; /* For Y center align */
404 	} else {
405 		y = 0;
406 		printf("Warning: image height is bigger than display height\n");
407 	}
408 
409 	bmp_display(addr, x, y);
410 }
411 #endif /* CONFIG_CMD_BMP */
412