board/samsung/common/misc.c

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