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