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