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