board/samsung/common/misc.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2013 Samsung Electronics
   4  * Przemyslaw Marczak <p.marczak@samsung.com>
   5  */
   6
   7 #include <common.h>
   8 #include <command.h>
   9 #include <env.h>
  10 #include <lcd.h>
  11 #include <libtizen.h>
  12 #include <samsung/misc.h>
  13 #include <errno.h>
  14 #include <version.h>
  15 #include <malloc.h>
  16 #include <memalign.h>
  17 #include <linux/sizes.h>
  18 #include <asm/arch/cpu.h>
  19 #include <asm/gpio.h>
  20 #include <linux/input.h>
  21 #include <dm.h>
  22 /*
  23  * Use #ifdef to work around conflicting headers while we wait for this to be
  24  * converted to driver model.
  25  */
  26 #ifdef CONFIG_DM_PMIC_MAX77686
  27 #include <power/max77686_pmic.h>
  28 #endif
  29 #ifdef CONFIG_DM_PMIC_MAX8998
  30 #include <power/max8998_pmic.h>
  31 #endif
  32 #ifdef CONFIG_PMIC_MAX8997
  33 #include <power/max8997_pmic.h>
  34 #endif
  35 #include <power/pmic.h>
  36 #include <mmc.h>
  37
  38 DECLARE_GLOBAL_DATA_PTR;
  39
  40 #ifdef CONFIG_SET_DFU_ALT_INFO
  41 void set_dfu_alt_info(char *interface, char *devstr)
  42 {
  43         size_t buf_size = CONFIG_SET_DFU_ALT_BUF_LEN;
  44         ALLOC_CACHE_ALIGN_BUFFER(char, buf, buf_size);
  45         char *alt_info = "Settings not found!";
  46         char *status = "error!\n";
  47         char *alt_setting;
  48         char *alt_sep;
  49         int offset = 0;
  50
  51         puts("DFU alt info setting: ");
  52
  53         alt_setting = get_dfu_alt_boot(interface, devstr);
  54         if (alt_setting) {
  55                 env_set("dfu_alt_boot", alt_setting);
  56                 offset = snprintf(buf, buf_size, "%s", alt_setting);
  57         }
  58
  59         alt_setting = get_dfu_alt_system(interface, devstr);
  60         if (alt_setting) {
  61                 if (offset)
  62                         alt_sep = ";";
  63                 else
  64                         alt_sep = "";
  65
  66                 offset += snprintf(buf + offset, buf_size - offset,
  67                                     "%s%s", alt_sep, alt_setting);
  68         }
  69
  70         if (offset) {
  71                 alt_info = buf;
  72                 status = "done\n";
  73         }
  74
  75         env_set("dfu_alt_info", alt_info);
  76         puts(status);
  77 }
  78 #endif
  79
  80 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
  81 void set_board_info(void)
  82 {
  83         char info[64];
  84
  85         snprintf(info, ARRAY_SIZE(info), "%u.%u", (s5p_cpu_rev & 0xf0) >> 4,
  86                  s5p_cpu_rev & 0xf);
  87         env_set("soc_rev", info);
  88
  89         snprintf(info, ARRAY_SIZE(info), "%x", s5p_cpu_id);
  90         env_set("soc_id", info);
  91
  92 #ifdef CONFIG_REVISION_TAG
  93         snprintf(info, ARRAY_SIZE(info), "%x", get_board_rev());
  94         env_set("board_rev", info);
  95 #endif
  96 #ifdef CONFIG_OF_LIBFDT
  97         const char *bdtype = "";
  98         const char *bdname = CONFIG_SYS_BOARD;
  99
 100 #ifdef CONFIG_BOARD_TYPES
 101         bdtype = get_board_type();
 102         if (!bdtype)
 103                 bdtype = "";
 104
 105         sprintf(info, "%s%s", bdname, bdtype);
 106         env_set("board_name", info);
 107 #endif
 108         snprintf(info, ARRAY_SIZE(info),  "%s%x-%s%s.dtb",
 109                  CONFIG_SYS_SOC, s5p_cpu_id, bdname, bdtype);
 110         env_set("fdtfile", info);
 111 #endif
 112 }
 113 #endif /* CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG */
 114
 115 #ifdef CONFIG_LCD_MENU
 116 static int power_key_pressed(u32 reg)
 117 {
 118 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
 119         struct pmic *pmic;
 120         u32 status;
 121         u32 mask;
 122
 123         pmic = pmic_get(KEY_PWR_PMIC_NAME);
 124         if (!pmic) {
 125                 printf("%s: Not found\n", KEY_PWR_PMIC_NAME);
 126                 return 0;
 127         }
 128
 129         if (pmic_probe(pmic))
 130                 return 0;
 131
 132         if (reg == KEY_PWR_STATUS_REG)
 133                 mask = KEY_PWR_STATUS_MASK;
 134         else
 135                 mask = KEY_PWR_INTERRUPT_MASK;
 136
 137         if (pmic_reg_read(pmic, reg, &status))
 138                 return 0;
 139
 140         return !!(status & mask);
 141 #else
 142         return 0;
 143 #endif
 144 }
 145
 146 static int key_pressed(int key)
 147 {
 148         int value;
 149
 150         switch (key) {
 151         case KEY_POWER:
 152                 value = power_key_pressed(KEY_PWR_INTERRUPT_REG);
 153                 break;
 154         case KEY_VOLUMEUP:
 155                 value = !gpio_get_value(KEY_VOL_UP_GPIO);
 156                 break;
 157         case KEY_VOLUMEDOWN:
 158                 value = !gpio_get_value(KEY_VOL_DOWN_GPIO);
 159                 break;
 160         default:
 161                 value = 0;
 162                 break;
 163         }
 164
 165         return value;
 166 }
 167
 168 #ifdef CONFIG_LCD
 169 static int check_keys(void)
 170 {
 171         int keys = 0;
 172
 173         if (key_pressed(KEY_POWER))
 174                 keys += KEY_POWER;
 175         if (key_pressed(KEY_VOLUMEUP))
 176                 keys += KEY_VOLUMEUP;
 177         if (key_pressed(KEY_VOLUMEDOWN))
 178                 keys += KEY_VOLUMEDOWN;
 179
 180         return keys;
 181 }
 182
 183 /*
 184  * 0 BOOT_MODE_INFO
 185  * 1 BOOT_MODE_THOR
 186  * 2 BOOT_MODE_UMS
 187  * 3 BOOT_MODE_DFU
 188  * 4 BOOT_MODE_EXIT
 189  */
 190 static char *
 191 mode_name[BOOT_MODE_EXIT + 1][2] = {
 192         {"DEVICE", ""},
 193         {"THOR", "thor"},
 194         {"UMS", "ums"},
 195         {"DFU", "dfu"},
 196         {"GPT", "gpt"},
 197         {"ENV", "env"},
 198         {"EXIT", ""},
 199 };
 200
 201 static char *
 202 mode_info[BOOT_MODE_EXIT + 1] = {
 203         "info",
 204         "downloader",
 205         "mass storage",
 206         "firmware update",
 207         "restore",
 208         "default",
 209         "and run normal boot"
 210 };
 211
 212 static char *
 213 mode_cmd[BOOT_MODE_EXIT + 1] = {
 214         "",
 215         "thor 0 mmc 0",
 216         "ums 0 mmc 0",
 217         "dfu 0 mmc 0",
 218         "gpt write mmc 0 $partitions",
 219         "env default -a; saveenv",
 220         "",
 221 };
 222
 223 static void display_board_info(void)
 224 {
 225 #ifdef CONFIG_MMC
 226         struct mmc *mmc = find_mmc_device(0);
 227 #endif
 228         vidinfo_t *vid = &panel_info;
 229
 230         lcd_position_cursor(4, 4);
 231
 232         lcd_printf("%s\n\t", U_BOOT_VERSION);
 233         lcd_puts("\n\t\tBoard Info:\n");
 234 #ifdef CONFIG_SYS_BOARD
 235         lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
 236 #endif
 237 #ifdef CONFIG_REVISION_TAG
 238         lcd_printf("\tBoard rev: %u\n", get_board_rev());
 239 #endif
 240         lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
 241         lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
 242
 243 #ifdef CONFIG_MMC
 244         if (mmc) {
 245                 if (!mmc->capacity)
 246                         mmc_init(mmc);
 247
 248                 lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
 249         }
 250 #endif
 251         if (vid)
 252                 lcd_printf("\tDisplay resolution: %u x % u\n",
 253                            vid->vl_col, vid->vl_row);
 254
 255         lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
 256 }
 257 #endif
 258
 259 static int mode_leave_menu(int mode)
 260 {
 261 #ifdef CONFIG_LCD
 262         char *exit_option;
 263         char *exit_reset = "reset";
 264         char *exit_back = "back";
 265         struct cmd_tbl *cmd;
 266         int cmd_result;
 267         int leave;
 268
 269         lcd_clear();
 270
 271         switch (mode) {
 272         case BOOT_MODE_EXIT:
 273                 return 1;
 274         case BOOT_MODE_INFO:
 275                 display_board_info();
 276                 exit_option = exit_back;
 277                 leave = 0;
 278                 break;
 279         default:
 280                 cmd = find_cmd(mode_name[mode][1]);
 281                 if (cmd) {
 282                         printf("Enter: %s %s\n", mode_name[mode][0],
 283                                mode_info[mode]);
 284                         lcd_printf("\n\n\t%s %s\n", mode_name[mode][0],
 285                                    mode_info[mode]);
 286                         lcd_puts("\n\tDo not turn off device before finish!\n");
 287
 288                         cmd_result = run_command(mode_cmd[mode], 0);
 289
 290                         if (cmd_result == CMD_RET_SUCCESS) {
 291                                 printf("Command finished\n");
 292                                 lcd_clear();
 293                                 lcd_printf("\n\n\t%s finished\n",
 294                                            mode_name[mode][0]);
 295
 296                                 exit_option = exit_reset;
 297                                 leave = 1;
 298                         } else {
 299                                 printf("Command error\n");
 300                                 lcd_clear();
 301                                 lcd_printf("\n\n\t%s command error\n",
 302                                            mode_name[mode][0]);
 303
 304                                 exit_option = exit_back;
 305                                 leave = 0;
 306                         }
 307                 } else {
 308                         lcd_puts("\n\n\tThis mode is not supported.\n");
 309                         exit_option = exit_back;
 310                         leave = 0;
 311                 }
 312         }
 313
 314         lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
 315
 316         /* Clear PWR button Rising edge interrupt status flag */
 317         power_key_pressed(KEY_PWR_INTERRUPT_REG);
 318
 319         /* Wait for PWR key */
 320         while (!key_pressed(KEY_POWER))
 321                 mdelay(1);
 322
 323         lcd_clear();
 324         return leave;
 325 #else
 326         return 0;
 327 #endif
 328 }
 329
 330 #ifdef CONFIG_LCD
 331 static void display_download_menu(int mode)
 332 {
 333         char *selection[BOOT_MODE_EXIT + 1];
 334         int i;
 335
 336         for (i = 0; i <= BOOT_MODE_EXIT; i++)
 337                 selection[i] = "[  ]";
 338
 339         selection[mode] = "[=>]";
 340
 341         lcd_clear();
 342         lcd_printf("\n\n\t\tDownload Mode Menu\n\n");
 343
 344         for (i = 0; i <= BOOT_MODE_EXIT; i++)
 345                 lcd_printf("\t%s  %s - %s\n\n", selection[i],
 346                            mode_name[i][0], mode_info[i]);
 347 }
 348 #endif
 349
 350 static void download_menu(void)
 351 {
 352 #ifdef CONFIG_LCD
 353         int mode = 0;
 354         int last_mode = 0;
 355         int run;
 356         int key = 0;
 357         int timeout = 15; /* sec */
 358         int i;
 359
 360         display_download_menu(mode);
 361
 362         lcd_puts("\n");
 363
 364         /* Start count if no key is pressed */
 365         while (check_keys())
 366                 continue;
 367
 368         while (timeout--) {
 369                 lcd_printf("\r\tNormal boot will start in: %2.d seconds.",
 370                            timeout);
 371
 372                 /* about 1000 ms in for loop */
 373                 for (i = 0; i < 10; i++) {
 374                         mdelay(100);
 375                         key = check_keys();
 376                         if (key)
 377                                 break;
 378                 }
 379                 if (key)
 380                         break;
 381         }
 382
 383         if (!key) {
 384                 lcd_clear();
 385                 return;
 386         }
 387
 388         while (1) {
 389                 run = 0;
 390
 391                 if (mode != last_mode)
 392                         display_download_menu(mode);
 393
 394                 last_mode = mode;
 395                 mdelay(200);
 396
 397                 key = check_keys();
 398                 switch (key) {
 399                 case KEY_POWER:
 400                         run = 1;
 401                         break;
 402                 case KEY_VOLUMEUP:
 403                         if (mode > 0)
 404                                 mode--;
 405                         break;
 406                 case KEY_VOLUMEDOWN:
 407                         if (mode < BOOT_MODE_EXIT)
 408                                 mode++;
 409                         break;
 410                 default:
 411                         break;
 412                 }
 413
 414                 if (run) {
 415                         if (mode_leave_menu(mode))
 416                                 run_command("reset", 0);
 417
 418                         display_download_menu(mode);
 419                 }
 420         }
 421
 422         lcd_clear();
 423 #endif
 424 }
 425
 426 void check_boot_mode(void)
 427 {
 428         int pwr_key;
 429
 430         pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
 431         if (!pwr_key)
 432                 return;
 433
 434         /* Clear PWR button Rising edge interrupt status flag */
 435         power_key_pressed(KEY_PWR_INTERRUPT_REG);
 436
 437         if (key_pressed(KEY_VOLUMEUP))
 438                 download_menu();
 439         else if (key_pressed(KEY_VOLUMEDOWN))
 440                 mode_leave_menu(BOOT_MODE_THOR);
 441 }
 442
 443 void keys_init(void)
 444 {
 445         /* Set direction to input */
 446         gpio_request(KEY_VOL_UP_GPIO, "volume-up");
 447         gpio_request(KEY_VOL_DOWN_GPIO, "volume-down");
 448         gpio_direction_input(KEY_VOL_UP_GPIO);
 449         gpio_direction_input(KEY_VOL_DOWN_GPIO);
 450 }
 451 #endif /* CONFIG_LCD_MENU */
 452
 453 #ifdef CONFIG_CMD_BMP
 454 void draw_logo(void)
 455 {
 456         int x, y;
 457         ulong addr;
 458
 459         addr = panel_info.logo_addr;
 460         if (!addr) {
 461                 pr_err("There is no logo data.\n");
 462                 return;
 463         }
 464
 465         if (panel_info.vl_width >= panel_info.logo_width) {
 466                 x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
 467                 x += panel_info.logo_x_offset; /* For X center align */
 468         } else {
 469                 x = 0;
 470                 printf("Warning: image width is bigger than display width\n");
 471         }
 472
 473         if (panel_info.vl_height >= panel_info.logo_height) {
 474                 y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
 475                 y += panel_info.logo_y_offset; /* For Y center align */
 476         } else {
 477                 y = 0;
 478                 printf("Warning: image height is bigger than display height\n");
 479         }
 480
 481         bmp_display(addr, x, y);
 482 }
 483 #endif /* CONFIG_CMD_BMP */