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