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         {"ENV", "env"},
 126         {"EXIT", ""},
 127 };
 128
 129 static char *
 130 mode_info[BOOT_MODE_EXIT + 1] = {
 131         "info",
 132         "downloader",
 133         "mass storage",
 134         "firmware update",
 135         "restore",
 136         "default",
 137         "and run normal boot"
 138 };
 139
 140 static char *
 141 mode_cmd[BOOT_MODE_EXIT + 1] = {
 142         "",
 143         "thor 0 mmc 0",
 144         "ums 0 mmc 0",
 145         "dfu 0 mmc 0",
 146         "gpt write mmc 0 $partitions",
 147         "env default -a; saveenv",
 148         "",
 149 };
 150
 151 static void display_board_info(void)
 152 {
 153 #ifdef CONFIG_GENERIC_MMC
 154         struct mmc *mmc = find_mmc_device(0);
 155 #endif
 156         vidinfo_t *vid = &panel_info;
 157
 158         lcd_position_cursor(4, 4);
 159
 160         lcd_printf("%s\n\t", U_BOOT_VERSION);
 161         lcd_puts("\n\t\tBoard Info:\n");
 162 #ifdef CONFIG_SYS_BOARD
 163         lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
 164 #endif
 165 #ifdef CONFIG_REVISION_TAG
 166         lcd_printf("\tBoard rev: %u\n", get_board_rev());
 167 #endif
 168         lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
 169         lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
 170
 171 #ifdef CONFIG_GENERIC_MMC
 172         if (mmc) {
 173                 if (!mmc->capacity)
 174                         mmc_init(mmc);
 175
 176                 lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
 177         }
 178 #endif
 179         if (vid)
 180                 lcd_printf("\tDisplay resolution: %u x % u\n",
 181                            vid->vl_col, vid->vl_row);
 182
 183         lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
 184 }
 185
 186 static int mode_leave_menu(int mode)
 187 {
 188         char *exit_option;
 189         char *exit_reset = "reset";
 190         char *exit_back = "back";
 191         cmd_tbl_t *cmd;
 192         int cmd_result;
 193         int leave;
 194
 195         lcd_clear();
 196
 197         switch (mode) {
 198         case BOOT_MODE_EXIT:
 199                 return 1;
 200         case BOOT_MODE_INFO:
 201                 display_board_info();
 202                 exit_option = exit_back;
 203                 leave = 0;
 204                 break;
 205         default:
 206                 cmd = find_cmd(mode_name[mode][1]);
 207                 if (cmd) {
 208                         printf("Enter: %s %s\n", mode_name[mode][0],
 209                                                  mode_info[mode]);
 210                         lcd_printf("\n\n\t%s %s\n", mode_name[mode][0],
 211                                                     mode_info[mode]);
 212                         lcd_puts("\n\tDo not turn off device before finish!\n");
 213
 214                         cmd_result = run_command(mode_cmd[mode], 0);
 215
 216                         if (cmd_result == CMD_RET_SUCCESS) {
 217                                 printf("Command finished\n");
 218                                 lcd_clear();
 219                                 lcd_printf("\n\n\t%s finished\n",
 220                                            mode_name[mode][0]);
 221
 222                                 exit_option = exit_reset;
 223                                 leave = 1;
 224                         } else {
 225                                 printf("Command error\n");
 226                                 lcd_clear();
 227                                 lcd_printf("\n\n\t%s command error\n",
 228                                            mode_name[mode][0]);
 229
 230                                 exit_option = exit_back;
 231                                 leave = 0;
 232                         }
 233                 } else {
 234                         lcd_puts("\n\n\tThis mode is not supported.\n");
 235                         exit_option = exit_back;
 236                         leave = 0;
 237                 }
 238         }
 239
 240         lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
 241
 242         /* Clear PWR button Rising edge interrupt status flag */
 243         power_key_pressed(KEY_PWR_INTERRUPT_REG);
 244
 245         /* Wait for PWR key */
 246         while (!key_pressed(KEY_POWER))
 247                 mdelay(1);
 248
 249         lcd_clear();
 250         return leave;
 251 }
 252
 253 static void display_download_menu(int mode)
 254 {
 255         char *selection[BOOT_MODE_EXIT + 1];
 256         int i;
 257
 258         for (i = 0; i <= BOOT_MODE_EXIT; i++)
 259                 selection[i] = "[  ]";
 260
 261         selection[mode] = "[=>]";
 262
 263         lcd_clear();
 264         lcd_printf("\n\n\t\tDownload Mode Menu\n\n");
 265
 266         for (i = 0; i <= BOOT_MODE_EXIT; i++)
 267                 lcd_printf("\t%s  %s - %s\n\n", selection[i],
 268                                                 mode_name[i][0],
 269                                                 mode_info[i]);
 270 }
 271
 272 static void download_menu(void)
 273 {
 274         int mode = 0;
 275         int last_mode = 0;
 276         int run;
 277         int key = 0;
 278         int timeout = 15; /* sec */
 279         int i;
 280
 281         display_download_menu(mode);
 282
 283         lcd_puts("\n");
 284
 285         /* Start count if no key is pressed */
 286         while (check_keys())
 287                 continue;
 288
 289         while (timeout--) {
 290                 lcd_printf("\r\tNormal boot will start in: %2.d seconds.",
 291                            timeout);
 292
 293                 /* about 1000 ms in for loop */
 294                 for (i = 0; i < 10; i++) {
 295                         mdelay(100);
 296                         key = check_keys();
 297                         if (key)
 298                                 break;
 299                 }
 300                 if (key)
 301                         break;
 302         }
 303
 304         if (!key) {
 305                 lcd_clear();
 306                 return;
 307         }
 308
 309         while (1) {
 310                 run = 0;
 311
 312                 if (mode != last_mode)
 313                         display_download_menu(mode);
 314
 315                 last_mode = mode;
 316                 mdelay(200);
 317
 318                 key = check_keys();
 319                 switch (key) {
 320                 case KEY_POWER:
 321                         run = 1;
 322                         break;
 323                 case KEY_VOLUMEUP:
 324                         if (mode > 0)
 325                                 mode--;
 326                         break;
 327                 case KEY_VOLUMEDOWN:
 328                         if (mode < BOOT_MODE_EXIT)
 329                                 mode++;
 330                         break;
 331                 default:
 332                         break;
 333                 }
 334
 335                 if (run) {
 336                         if (mode_leave_menu(mode))
 337                                 run_command("reset", 0);
 338
 339                         display_download_menu(mode);
 340                 }
 341         }
 342
 343         lcd_clear();
 344 }
 345
 346 void check_boot_mode(void)
 347 {
 348         int pwr_key;
 349
 350         pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
 351         if (!pwr_key)
 352                 return;
 353
 354         /* Clear PWR button Rising edge interrupt status flag */
 355         power_key_pressed(KEY_PWR_INTERRUPT_REG);
 356
 357         if (key_pressed(KEY_VOLUMEUP))
 358                 download_menu();
 359         else if (key_pressed(KEY_VOLUMEDOWN))
 360                 mode_leave_menu(BOOT_MODE_THOR);
 361 }
 362
 363 void keys_init(void)
 364 {
 365         /* Set direction to input */
 366         gpio_direction_input(KEY_VOL_UP_GPIO);
 367         gpio_direction_input(KEY_VOL_DOWN_GPIO);
 368 }
 369 #endif /* CONFIG_LCD_MENU */
 370
 371 #ifdef CONFIG_CMD_BMP
 372 void draw_logo(void)
 373 {
 374         int x, y;
 375         ulong addr;
 376
 377         addr = panel_info.logo_addr;
 378         if (!addr) {
 379                 error("There is no logo data.");
 380                 return;
 381         }
 382
 383         if (panel_info.vl_width >= panel_info.logo_width) {
 384                 x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
 385                 x += panel_info.logo_x_offset; /* For X center align */
 386         } else {
 387                 x = 0;
 388                 printf("Warning: image width is bigger than display width\n");
 389         }
 390
 391         if (panel_info.vl_height >= panel_info.logo_height) {
 392                 y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
 393                 y += panel_info.logo_y_offset; /* For Y center align */
 394         } else {
 395                 y = 0;
 396                 printf("Warning: image height is bigger than display height\n");
 397         }
 398
 399         bmp_display(addr, x, y);
 400 }
 401 #endif /* CONFIG_CMD_BMP */