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 <asm/global_data.h>
  13 #include <linux/delay.h>
  14 #include <samsung/misc.h>
  15 #include <errno.h>
  16 #include <version.h>
  17 #include <malloc.h>
  18 #include <memalign.h>
  19 #include <linux/sizes.h>
  20 #include <asm/arch/cpu.h>
  21 #include <asm/gpio.h>
  22 #include <linux/input.h>
  23 #include <dm.h>
  24 /*
  25  * Use #ifdef to work around conflicting headers while we wait for this to be
  26  * converted to driver model.
  27  */
  28 #ifdef CONFIG_DM_PMIC_MAX77686
  29 #include <power/max77686_pmic.h>
  30 #endif
  31 #ifdef CONFIG_DM_PMIC_MAX8998
  32 #include <power/max8998_pmic.h>
  33 #endif
  34 #ifdef CONFIG_PMIC_MAX8997
  35 #include <power/max8997_pmic.h>
  36 #endif
  37 #include <power/pmic.h>
  38 #include <mmc.h>
  39
  40 DECLARE_GLOBAL_DATA_PTR;
  41
  42 #ifdef CONFIG_SET_DFU_ALT_INFO
  43 void set_dfu_alt_info(char *interface, char *devstr)
  44 {
  45         size_t buf_size = CONFIG_SET_DFU_ALT_BUF_LEN;
  46         ALLOC_CACHE_ALIGN_BUFFER(char, buf, buf_size);
  47         char *alt_info = "Settings not found!";
  48         char *status = "error!\n";
  49         char *alt_setting;
  50         char *alt_sep;
  51         int offset = 0;
  52
  53         puts("DFU alt info setting: ");
  54
  55         alt_setting = get_dfu_alt_boot(interface, devstr);
  56         if (alt_setting) {
  57                 env_set("dfu_alt_boot", alt_setting);
  58                 offset = snprintf(buf, buf_size, "%s", alt_setting);
  59         }
  60
  61         alt_setting = get_dfu_alt_system(interface, devstr);
  62         if (alt_setting) {
  63                 if (offset)
  64                         alt_sep = ";";
  65                 else
  66                         alt_sep = "";
  67
  68                 offset += snprintf(buf + offset, buf_size - offset,
  69                                     "%s%s", alt_sep, alt_setting);
  70         }
  71
  72         if (offset) {
  73                 alt_info = buf;
  74                 status = "done\n";
  75         }
  76
  77         env_set("dfu_alt_info", alt_info);
  78         puts(status);
  79 }
  80 #endif
  81
  82 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
  83 void set_board_info(void)
  84 {
  85         char info[64];
  86
  87         snprintf(info, ARRAY_SIZE(info), "%u.%u", (s5p_cpu_rev & 0xf0) >> 4,
  88                  s5p_cpu_rev & 0xf);
  89         env_set("soc_rev", info);
  90
  91         snprintf(info, ARRAY_SIZE(info), "%x", s5p_cpu_id);
  92         env_set("soc_id", info);
  93
  94 #ifdef CONFIG_REVISION_TAG
  95         snprintf(info, ARRAY_SIZE(info), "%x", get_board_rev());
  96         env_set("board_rev", info);
  97 #endif
  98 #ifdef CONFIG_OF_LIBFDT
  99         const char *bdtype = "";
 100         const char *bdname = CONFIG_SYS_BOARD;
 101
 102 #ifdef CONFIG_BOARD_TYPES
 103         bdtype = get_board_type();
 104         if (!bdtype)
 105                 bdtype = "";
 106
 107         sprintf(info, "%s%s", bdname, bdtype);
 108         env_set("board_name", info);
 109 #endif
 110         snprintf(info, ARRAY_SIZE(info),  "%s%x-%s%s.dtb",
 111                  CONFIG_SYS_SOC, s5p_cpu_id, bdname, bdtype);
 112         env_set("fdtfile", info);
 113 #endif
 114 }
 115 #endif /* CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG */
 116
 117 #ifdef CONFIG_LCD_MENU
 118 static int power_key_pressed(u32 reg)
 119 {
 120         struct udevice *dev;
 121         int ret;
 122         u32 status;
 123         u32 mask;
 124
 125         if (IS_ENABLED(CONFIG_TARGET_TRATS))
 126                 ret = pmic_get("max8997-pmic", &dev);
 127         else if (IS_ENABLED(CONFIG_TARGET_TRATS2))
 128                 ret = pmic_get("max77686-pmic", &dev);
 129         else if (IS_ENABLED(CONFIG_TARGET_S5PC210_UNIVERSAL))
 130                 ret = pmic_get("max8998-pmic", &dev);
 131         else
 132                 return 0;
 133
 134         if (ret)
 135                 return ret;
 136
 137         if (reg == KEY_PWR_STATUS_REG)
 138                 mask = KEY_PWR_STATUS_MASK;
 139         else
 140                 mask = KEY_PWR_INTERRUPT_MASK;
 141
 142         status = pmic_reg_read(dev, reg);
 143         if (status < 0)
 144                 return status;
 145
 146         return !!(status & mask);
 147 }
 148
 149 static int key_pressed(int key)
 150 {
 151         int value;
 152
 153         switch (key) {
 154         case KEY_POWER:
 155                 value = power_key_pressed(KEY_PWR_INTERRUPT_REG);
 156                 break;
 157         case KEY_VOLUMEUP:
 158                 value = !gpio_get_value(KEY_VOL_UP_GPIO);
 159                 break;
 160         case KEY_VOLUMEDOWN:
 161                 value = !gpio_get_value(KEY_VOL_DOWN_GPIO);
 162                 break;
 163         default:
 164                 value = 0;
 165                 break;
 166         }
 167
 168         return value;
 169 }
 170
 171 #ifdef CONFIG_LCD
 172 static int check_keys(void)
 173 {
 174         int keys = 0;
 175
 176         if (key_pressed(KEY_POWER))
 177                 keys += KEY_POWER;
 178         if (key_pressed(KEY_VOLUMEUP))
 179                 keys += KEY_VOLUMEUP;
 180         if (key_pressed(KEY_VOLUMEDOWN))
 181                 keys += KEY_VOLUMEDOWN;
 182
 183         return keys;
 184 }
 185
 186 /*
 187  * 0 BOOT_MODE_INFO
 188  * 1 BOOT_MODE_THOR
 189  * 2 BOOT_MODE_UMS
 190  * 3 BOOT_MODE_DFU
 191  * 4 BOOT_MODE_EXIT
 192  */
 193 static char *
 194 mode_name[BOOT_MODE_EXIT + 1][2] = {
 195         {"DEVICE", ""},
 196         {"THOR", "thor"},
 197         {"UMS", "ums"},
 198         {"DFU", "dfu"},
 199         {"GPT", "gpt"},
 200         {"ENV", "env"},
 201         {"EXIT", ""},
 202 };
 203
 204 static char *
 205 mode_info[BOOT_MODE_EXIT + 1] = {
 206         "info",
 207         "downloader",
 208         "mass storage",
 209         "firmware update",
 210         "restore",
 211         "default",
 212         "and run normal boot"
 213 };
 214
 215 static char *
 216 mode_cmd[BOOT_MODE_EXIT + 1] = {
 217         "",
 218         "thor 0 mmc 0",
 219         "ums 0 mmc 0",
 220         "dfu 0 mmc 0",
 221         "gpt write mmc 0 $partitions",
 222         "env default -a; saveenv",
 223         "",
 224 };
 225
 226 static void display_board_info(void)
 227 {
 228 #ifdef CONFIG_MMC
 229         struct mmc *mmc = find_mmc_device(0);
 230 #endif
 231         vidinfo_t *vid = &panel_info;
 232
 233         lcd_position_cursor(4, 4);
 234
 235         lcd_printf("%s\n\t", U_BOOT_VERSION);
 236         lcd_puts("\n\t\tBoard Info:\n");
 237 #ifdef CONFIG_SYS_BOARD
 238         lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
 239 #endif
 240 #ifdef CONFIG_REVISION_TAG
 241         lcd_printf("\tBoard rev: %u\n", get_board_rev());
 242 #endif
 243         lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
 244         lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
 245
 246 #ifdef CONFIG_MMC
 247         if (mmc) {
 248                 if (!mmc->capacity)
 249                         mmc_init(mmc);
 250
 251                 lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
 252         }
 253 #endif
 254         if (vid)
 255                 lcd_printf("\tDisplay resolution: %u x % u\n",
 256                            vid->vl_col, vid->vl_row);
 257
 258         lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
 259 }
 260 #endif
 261
 262 static int mode_leave_menu(int mode)
 263 {
 264 #ifdef CONFIG_LCD
 265         char *exit_option;
 266         char *exit_reset = "reset";
 267         char *exit_back = "back";
 268         struct cmd_tbl *cmd;
 269         int cmd_result;
 270         int leave;
 271
 272         lcd_clear();
 273
 274         switch (mode) {
 275         case BOOT_MODE_EXIT:
 276                 return 1;
 277         case BOOT_MODE_INFO:
 278                 display_board_info();
 279                 exit_option = exit_back;
 280                 leave = 0;
 281                 break;
 282         default:
 283                 cmd = find_cmd(mode_name[mode][1]);
 284                 if (cmd) {
 285                         printf("Enter: %s %s\n", mode_name[mode][0],
 286                                mode_info[mode]);
 287                         lcd_printf("\n\n\t%s %s\n", mode_name[mode][0],
 288                                    mode_info[mode]);
 289                         lcd_puts("\n\tDo not turn off device before finish!\n");
 290
 291                         cmd_result = run_command(mode_cmd[mode], 0);
 292
 293                         if (cmd_result == CMD_RET_SUCCESS) {
 294                                 printf("Command finished\n");
 295                                 lcd_clear();
 296                                 lcd_printf("\n\n\t%s finished\n",
 297                                            mode_name[mode][0]);
 298
 299                                 exit_option = exit_reset;
 300                                 leave = 1;
 301                         } else {
 302                                 printf("Command error\n");
 303                                 lcd_clear();
 304                                 lcd_printf("\n\n\t%s command error\n",
 305                                            mode_name[mode][0]);
 306
 307                                 exit_option = exit_back;
 308                                 leave = 0;
 309                         }
 310                 } else {
 311                         lcd_puts("\n\n\tThis mode is not supported.\n");
 312                         exit_option = exit_back;
 313                         leave = 0;
 314                 }
 315         }
 316
 317         lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
 318
 319         /* Clear PWR button Rising edge interrupt status flag */
 320         power_key_pressed(KEY_PWR_INTERRUPT_REG);
 321
 322         /* Wait for PWR key */
 323         while (!key_pressed(KEY_POWER))
 324                 mdelay(1);
 325
 326         lcd_clear();
 327         return leave;
 328 #else
 329         return 0;
 330 #endif
 331 }
 332
 333 #ifdef CONFIG_LCD
 334 static void display_download_menu(int mode)
 335 {
 336         char *selection[BOOT_MODE_EXIT + 1];
 337         int i;
 338
 339         for (i = 0; i <= BOOT_MODE_EXIT; i++)
 340                 selection[i] = "[  ]";
 341
 342         selection[mode] = "[=>]";
 343
 344         lcd_clear();
 345         lcd_printf("\n\n\t\tDownload Mode Menu\n\n");
 346
 347         for (i = 0; i <= BOOT_MODE_EXIT; i++)
 348                 lcd_printf("\t%s  %s - %s\n\n", selection[i],
 349                            mode_name[i][0], mode_info[i]);
 350 }
 351 #endif
 352
 353 static void download_menu(void)
 354 {
 355 #ifdef CONFIG_LCD
 356         int mode = 0;
 357         int last_mode = 0;
 358         int run;
 359         int key = 0;
 360         int timeout = 15; /* sec */
 361         int i;
 362
 363         display_download_menu(mode);
 364
 365         lcd_puts("\n");
 366
 367         /* Start count if no key is pressed */
 368         while (check_keys())
 369                 continue;
 370
 371         while (timeout--) {
 372                 lcd_printf("\r\tNormal boot will start in: %2.d seconds.",
 373                            timeout);
 374
 375                 /* about 1000 ms in for loop */
 376                 for (i = 0; i < 10; i++) {
 377                         mdelay(100);
 378                         key = check_keys();
 379                         if (key)
 380                                 break;
 381                 }
 382                 if (key)
 383                         break;
 384         }
 385
 386         if (!key) {
 387                 lcd_clear();
 388                 return;
 389         }
 390
 391         while (1) {
 392                 run = 0;
 393
 394                 if (mode != last_mode)
 395                         display_download_menu(mode);
 396
 397                 last_mode = mode;
 398                 mdelay(200);
 399
 400                 key = check_keys();
 401                 switch (key) {
 402                 case KEY_POWER:
 403                         run = 1;
 404                         break;
 405                 case KEY_VOLUMEUP:
 406                         if (mode > 0)
 407                                 mode--;
 408                         break;
 409                 case KEY_VOLUMEDOWN:
 410                         if (mode < BOOT_MODE_EXIT)
 411                                 mode++;
 412                         break;
 413                 default:
 414                         break;
 415                 }
 416
 417                 if (run) {
 418                         if (mode_leave_menu(mode))
 419                                 run_command("reset", 0);
 420
 421                         display_download_menu(mode);
 422                 }
 423         }
 424
 425         lcd_clear();
 426 #endif
 427 }
 428
 429 void check_boot_mode(void)
 430 {
 431         int pwr_key;
 432
 433         pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
 434         if (!pwr_key)
 435                 return;
 436
 437         /* Clear PWR button Rising edge interrupt status flag */
 438         power_key_pressed(KEY_PWR_INTERRUPT_REG);
 439
 440         if (key_pressed(KEY_VOLUMEUP))
 441                 download_menu();
 442         else if (key_pressed(KEY_VOLUMEDOWN))
 443                 mode_leave_menu(BOOT_MODE_THOR);
 444 }
 445
 446 void keys_init(void)
 447 {
 448         /* Set direction to input */
 449         gpio_request(KEY_VOL_UP_GPIO, "volume-up");
 450         gpio_request(KEY_VOL_DOWN_GPIO, "volume-down");
 451         gpio_direction_input(KEY_VOL_UP_GPIO);
 452         gpio_direction_input(KEY_VOL_DOWN_GPIO);
 453 }
 454 #endif /* CONFIG_LCD_MENU */
 455
 456 #ifdef CONFIG_CMD_BMP
 457 void draw_logo(void)
 458 {
 459         int x, y;
 460         ulong addr;
 461
 462         addr = panel_info.logo_addr;
 463         if (!addr) {
 464                 pr_err("There is no logo data.\n");
 465                 return;
 466         }
 467
 468         if (panel_info.vl_width >= panel_info.logo_width) {
 469                 x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
 470                 x += panel_info.logo_x_offset; /* For X center align */
 471         } else {
 472                 x = 0;
 473                 printf("Warning: image width is bigger than display width\n");
 474         }
 475
 476         if (panel_info.vl_height >= panel_info.logo_height) {
 477                 y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
 478                 y += panel_info.logo_y_offset; /* For Y center align */
 479         } else {
 480                 y = 0;
 481                 printf("Warning: image height is bigger than display height\n");
 482         }
 483
 484         bmp_display(addr, x, y);
 485 }
 486 #endif /* CONFIG_CMD_BMP */