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