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 <linux/sizes.h>
  15 #include <asm/arch/cpu.h>
  16 #include <asm/arch/gpio.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_ENV_VARS_UBOOT_RUNTIME_CONFIG
  25 void set_board_info(void)
  26 {
  27         char info[64];
  28
  29         snprintf(info, ARRAY_SIZE(info), "%d.%d", s5p_cpu_rev & 0x0f,
  30                  (s5p_cpu_rev & 0xf0) >> 0x04);
  31         setenv("soc_rev", info);
  32
  33         snprintf(info, ARRAY_SIZE(info), "%x", s5p_cpu_id);
  34         setenv("soc_id", info);
  35
  36 #ifdef CONFIG_REVISION_TAG
  37         snprintf(info, ARRAY_SIZE(info), "%x", get_board_rev());
  38         setenv("board_rev", info);
  39 #endif
  40 #ifdef CONFIG_OF_LIBFDT
  41         snprintf(info, ARRAY_SIZE(info),  "%s%x-%s.dtb",
  42                  CONFIG_SYS_SOC, s5p_cpu_id, CONFIG_SYS_BOARD);
  43         setenv("fdtfile", info);
  44 #endif
  45 }
  46 #endif /* CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG */
  47
  48 #ifdef CONFIG_LCD_MENU
  49 static int power_key_pressed(u32 reg)
  50 {
  51         struct pmic *pmic;
  52         u32 status;
  53         u32 mask;
  54
  55         pmic = pmic_get(KEY_PWR_PMIC_NAME);
  56         if (!pmic) {
  57                 printf("%s: Not found\n", KEY_PWR_PMIC_NAME);
  58                 return 0;
  59         }
  60
  61         if (pmic_probe(pmic))
  62                 return 0;
  63
  64         if (reg == KEY_PWR_STATUS_REG)
  65                 mask = KEY_PWR_STATUS_MASK;
  66         else
  67                 mask = KEY_PWR_INTERRUPT_MASK;
  68
  69         if (pmic_reg_read(pmic, reg, &status))
  70                 return 0;
  71
  72         return !!(status & mask);
  73 }
  74
  75 static int key_pressed(int key)
  76 {
  77         int value;
  78
  79         switch (key) {
  80         case KEY_POWER:
  81                 value = power_key_pressed(KEY_PWR_INTERRUPT_REG);
  82                 break;
  83         case KEY_VOLUMEUP:
  84                 value = !gpio_get_value(KEY_VOL_UP_GPIO);
  85                 break;
  86         case KEY_VOLUMEDOWN:
  87                 value = !gpio_get_value(KEY_VOL_DOWN_GPIO);
  88                 break;
  89         default:
  90                 value = 0;
  91                 break;
  92         }
  93
  94         return value;
  95 }
  96
  97 static int check_keys(void)
  98 {
  99         int keys = 0;
 100
 101         if (key_pressed(KEY_POWER))
 102                 keys += KEY_POWER;
 103         if (key_pressed(KEY_VOLUMEUP))
 104                 keys += KEY_VOLUMEUP;
 105         if (key_pressed(KEY_VOLUMEDOWN))
 106                 keys += KEY_VOLUMEDOWN;
 107
 108         return keys;
 109 }
 110
 111 /*
 112  * 0 BOOT_MODE_INFO
 113  * 1 BOOT_MODE_THOR
 114  * 2 BOOT_MODE_UMS
 115  * 3 BOOT_MODE_DFU
 116  * 4 BOOT_MODE_EXIT
 117  */
 118 static char *
 119 mode_name[BOOT_MODE_EXIT + 1][2] = {
 120         {"DEVICE", ""},
 121         {"THOR", "thor"},
 122         {"UMS", "ums"},
 123         {"DFU", "dfu"},
 124         {"GPT", "gpt"},
 125         {"EXIT", ""},
 126 };
 127
 128 static char *
 129 mode_info[BOOT_MODE_EXIT + 1] = {
 130         "info",
 131         "downloader",
 132         "mass storage",
 133         "firmware update",
 134         "restore",
 135         "and run normal boot"
 136 };
 137
 138 static char *
 139 mode_cmd[BOOT_MODE_EXIT + 1] = {
 140         "",
 141         "thor 0 mmc 0",
 142         "ums 0 mmc 0",
 143         "dfu 0 mmc 0",
 144         "gpt write mmc 0 $partitions",
 145         "",
 146 };
 147
 148 static void display_board_info(void)
 149 {
 150 #ifdef CONFIG_GENERIC_MMC
 151         struct mmc *mmc = find_mmc_device(0);
 152 #endif
 153         vidinfo_t *vid = &panel_info;
 154
 155         lcd_position_cursor(4, 4);
 156
 157         lcd_printf("%s\n\t", U_BOOT_VERSION);
 158         lcd_puts("\n\t\tBoard Info:\n");
 159 #ifdef CONFIG_SYS_BOARD
 160         lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
 161 #endif
 162 #ifdef CONFIG_REVISION_TAG
 163         lcd_printf("\tBoard rev: %u\n", get_board_rev());
 164 #endif
 165         lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
 166         lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
 167
 168 #ifdef CONFIG_GENERIC_MMC
 169         if (mmc) {
 170                 if (!mmc->capacity)
 171                         mmc_init(mmc);
 172
 173                 lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
 174         }
 175 #endif
 176         if (vid)
 177                 lcd_printf("\tDisplay resolution: %u x % u\n",
 178                            vid->vl_col, vid->vl_row);
 179
 180         lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
 181 }
 182
 183 static int mode_leave_menu(int mode)
 184 {
 185         char *exit_option;
 186         char *exit_reset = "reset";
 187         char *exit_back = "back";
 188         cmd_tbl_t *cmd;
 189         int cmd_result;
 190         int leave;
 191
 192         lcd_clear();
 193
 194         switch (mode) {
 195         case BOOT_MODE_EXIT:
 196                 return 1;
 197         case BOOT_MODE_INFO:
 198                 display_board_info();
 199                 exit_option = exit_back;
 200                 leave = 0;
 201                 break;
 202         default:
 203                 cmd = find_cmd(mode_name[mode][1]);
 204                 if (cmd) {
 205                         printf("Enter: %s %s\n", mode_name[mode][0],
 206                                                  mode_info[mode]);
 207                         lcd_printf("\n\n\t%s %s\n", mode_name[mode][0],
 208                                                     mode_info[mode]);
 209                         lcd_puts("\n\tDo not turn off device before finish!\n");
 210
 211                         cmd_result = run_command(mode_cmd[mode], 0);
 212
 213                         if (cmd_result == CMD_RET_SUCCESS) {
 214                                 printf("Command finished\n");
 215                                 lcd_clear();
 216                                 lcd_printf("\n\n\t%s finished\n",
 217                                            mode_name[mode][0]);
 218
 219                                 exit_option = exit_reset;
 220                                 leave = 1;
 221                         } else {
 222                                 printf("Command error\n");
 223                                 lcd_clear();
 224                                 lcd_printf("\n\n\t%s command error\n",
 225                                            mode_name[mode][0]);
 226
 227                                 exit_option = exit_back;
 228                                 leave = 0;
 229                         }
 230                 } else {
 231                         lcd_puts("\n\n\tThis mode is not supported.\n");
 232                         exit_option = exit_back;
 233                         leave = 0;
 234                 }
 235         }
 236
 237         lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
 238
 239         /* Clear PWR button Rising edge interrupt status flag */
 240         power_key_pressed(KEY_PWR_INTERRUPT_REG);
 241
 242         /* Wait for PWR key */
 243         while (!key_pressed(KEY_POWER))
 244                 mdelay(1);
 245
 246         lcd_clear();
 247         return leave;
 248 }
 249
 250 static void display_download_menu(int mode)
 251 {
 252         char *selection[BOOT_MODE_EXIT + 1];
 253         int i;
 254
 255         for (i = 0; i <= BOOT_MODE_EXIT; i++)
 256                 selection[i] = "[  ]";
 257
 258         selection[mode] = "[=>]";
 259
 260         lcd_clear();
 261         lcd_printf("\n\t\tDownload Mode Menu\n");
 262
 263         for (i = 0; i <= BOOT_MODE_EXIT; i++)
 264                 lcd_printf("\t%s  %s - %s\n\n", selection[i],
 265                                                 mode_name[i][0],
 266                                                 mode_info[i]);
 267 }
 268
 269 static void download_menu(void)
 270 {
 271         int mode = 0;
 272         int last_mode = 0;
 273         int run;
 274         int key;
 275
 276         display_download_menu(mode);
 277
 278         while (1) {
 279                 run = 0;
 280
 281                 if (mode != last_mode)
 282                         display_download_menu(mode);
 283
 284                 last_mode = mode;
 285                 mdelay(100);
 286
 287                 key = check_keys();
 288                 switch (key) {
 289                 case KEY_POWER:
 290                         run = 1;
 291                         break;
 292                 case KEY_VOLUMEUP:
 293                         if (mode > 0)
 294                                 mode--;
 295                         break;
 296                 case KEY_VOLUMEDOWN:
 297                         if (mode < BOOT_MODE_EXIT)
 298                                 mode++;
 299                         break;
 300                 default:
 301                         break;
 302                 }
 303
 304                 if (run) {
 305                         if (mode_leave_menu(mode))
 306                                 run_command("reset", 0);
 307
 308                         display_download_menu(mode);
 309                 }
 310         }
 311
 312         lcd_clear();
 313 }
 314
 315 static void display_mode_info(void)
 316 {
 317         lcd_position_cursor(4, 4);
 318         lcd_printf("%s\n", U_BOOT_VERSION);
 319         lcd_puts("\nDownload Mode Menu\n");
 320 #ifdef CONFIG_SYS_BOARD
 321         lcd_printf("Board name: %s\n", CONFIG_SYS_BOARD);
 322 #endif
 323         lcd_printf("Press POWER KEY to display MENU options.");
 324 }
 325
 326 static int boot_menu(void)
 327 {
 328         int key = 0;
 329         int timeout = 10;
 330
 331         display_mode_info();
 332
 333         while (timeout--) {
 334                 lcd_printf("\rNormal boot will start in: %d seconds.", timeout);
 335                 mdelay(1000);
 336
 337                 key = key_pressed(KEY_POWER);
 338                 if (key)
 339                         break;
 340         }
 341
 342         lcd_clear();
 343
 344         /* If PWR pressed - show download menu */
 345         if (key) {
 346                 printf("Power pressed - go to download menu\n");
 347                 download_menu();
 348                 printf("Download mode exit.\n");
 349         }
 350
 351         return 0;
 352 }
 353
 354 void check_boot_mode(void)
 355 {
 356         int pwr_key;
 357
 358         pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
 359         if (!pwr_key)
 360                 return;
 361
 362         /* Clear PWR button Rising edge interrupt status flag */
 363         power_key_pressed(KEY_PWR_INTERRUPT_REG);
 364
 365         if (key_pressed(KEY_VOLUMEUP))
 366                 boot_menu();
 367         else if (key_pressed(KEY_VOLUMEDOWN))
 368                 mode_leave_menu(BOOT_MODE_THOR);
 369 }
 370
 371 void keys_init(void)
 372 {
 373         /* Set direction to input */
 374         gpio_direction_input(KEY_VOL_UP_GPIO);
 375         gpio_direction_input(KEY_VOL_DOWN_GPIO);
 376 }
 377 #endif /* CONFIG_LCD_MENU */
 378
 379 #ifdef CONFIG_CMD_BMP
 380 void draw_logo(void)
 381 {
 382         int x, y;
 383         ulong addr;
 384
 385         addr = panel_info.logo_addr;
 386         if (!addr) {
 387                 error("There is no logo data.");
 388                 return;
 389         }
 390
 391         if (panel_info.vl_width >= panel_info.logo_width) {
 392                 x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
 393                 x += panel_info.logo_x_offset; /* For X center align */
 394         } else {
 395                 x = 0;
 396                 printf("Warning: image width is bigger than display width\n");
 397         }
 398
 399         if (panel_info.vl_height >= panel_info.logo_height) {
 400                 y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
 401                 y += panel_info.logo_y_offset; /* For Y center align */
 402         } else {
 403                 y = 0;
 404                 printf("Warning: image height is bigger than display height\n");
 405         }
 406
 407         bmp_display(addr, x, y);
 408 }
 409 #endif /* CONFIG_CMD_BMP */