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] = {
 120         "DEVICE",
 121         "THOR",
 122         "UMS",
 123         "DFU",
 124         "EXIT"
 125 };
 126
 127 static char *
 128 mode_info[BOOT_MODE_EXIT + 1] = {
 129         "info",
 130         "downloader",
 131         "mass storage",
 132         "firmware update",
 133         "and run normal boot"
 134 };
 135
 136 #define MODE_CMD_ARGC   4
 137
 138 static char *
 139 mode_cmd[BOOT_MODE_EXIT + 1][MODE_CMD_ARGC] = {
 140         {"", "", "", ""},
 141         {"thor", "0", "mmc", "0"},
 142         {"ums", "0", "mmc", "0"},
 143         {"dfu", "0", "mmc", "0"},
 144         {"", "", "", ""},
 145 };
 146
 147 static void display_board_info(void)
 148 {
 149 #ifdef CONFIG_GENERIC_MMC
 150         struct mmc *mmc = find_mmc_device(0);
 151 #endif
 152         vidinfo_t *vid = &panel_info;
 153
 154         lcd_position_cursor(4, 4);
 155
 156         lcd_printf("%s\n\t", U_BOOT_VERSION);
 157         lcd_puts("\n\t\tBoard Info:\n");
 158 #ifdef CONFIG_SYS_BOARD
 159         lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
 160 #endif
 161 #ifdef CONFIG_REVISION_TAG
 162         lcd_printf("\tBoard rev: %u\n", get_board_rev());
 163 #endif
 164         lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
 165         lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
 166
 167 #ifdef CONFIG_GENERIC_MMC
 168         if (mmc) {
 169                 if (!mmc->capacity)
 170                         mmc_init(mmc);
 171
 172                 lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
 173         }
 174 #endif
 175         if (vid)
 176                 lcd_printf("\tDisplay resolution: %u x % u\n",
 177                            vid->vl_col, vid->vl_row);
 178
 179         lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
 180 }
 181
 182 static int mode_leave_menu(int mode)
 183 {
 184         char *exit_option;
 185         char *exit_boot = "boot";
 186         char *exit_back = "back";
 187         cmd_tbl_t *cmd;
 188         int cmd_result;
 189         int cmd_repeatable;
 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_cmd[mode][0]);
 204                 if (cmd) {
 205                         printf("Enter: %s %s\n", mode_name[mode],
 206                                                  mode_info[mode]);
 207                         lcd_printf("\n\n\t%s %s\n", mode_name[mode],
 208                                                     mode_info[mode]);
 209                         lcd_puts("\n\tDo not turn off device before finish!\n");
 210
 211                         cmd_result = cmd_process(0, MODE_CMD_ARGC,
 212                                                  *(mode_cmd + mode),
 213                                                  &cmd_repeatable, NULL);
 214
 215                         if (cmd_result == CMD_RET_SUCCESS) {
 216                                 printf("Command finished\n");
 217                                 lcd_clear();
 218                                 lcd_printf("\n\n\t%s finished\n",
 219                                            mode_name[mode]);
 220
 221                                 exit_option = exit_boot;
 222                                 leave = 1;
 223                         } else {
 224                                 printf("Command error\n");
 225                                 lcd_clear();
 226                                 lcd_printf("\n\n\t%s command error\n",
 227                                            mode_name[mode]);
 228
 229                                 exit_option = exit_back;
 230                                 leave = 0;
 231                         }
 232                 } else {
 233                         lcd_puts("\n\n\tThis mode is not supported.\n");
 234                         exit_option = exit_back;
 235                         leave = 0;
 236                 }
 237         }
 238
 239         lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
 240
 241         /* Clear PWR button Rising edge interrupt status flag */
 242         power_key_pressed(KEY_PWR_INTERRUPT_REG);
 243
 244         /* Wait for PWR key */
 245         while (!key_pressed(KEY_POWER))
 246                 mdelay(1);
 247
 248         lcd_clear();
 249         return leave;
 250 }
 251
 252 static void display_download_menu(int mode)
 253 {
 254         char *selection[BOOT_MODE_EXIT + 1];
 255         int i;
 256
 257         for (i = 0; i <= BOOT_MODE_EXIT; i++)
 258                 selection[i] = "[  ]";
 259
 260         selection[mode] = "[=>]";
 261
 262         lcd_clear();
 263         lcd_printf("\n\t\tDownload Mode Menu\n");
 264
 265         for (i = 0; i <= BOOT_MODE_EXIT; i++)
 266                 lcd_printf("\t%s  %s - %s\n\n", selection[i],
 267                                                 mode_name[i],
 268                                                 mode_info[i]);
 269 }
 270
 271 static void download_menu(void)
 272 {
 273         int mode = 0;
 274         int last_mode = 0;
 275         int run;
 276         int key;
 277
 278         display_download_menu(mode);
 279
 280         while (1) {
 281                 run = 0;
 282
 283                 if (mode != last_mode)
 284                         display_download_menu(mode);
 285
 286                 last_mode = mode;
 287                 mdelay(100);
 288
 289                 key = check_keys();
 290                 switch (key) {
 291                 case KEY_POWER:
 292                         run = 1;
 293                         break;
 294                 case KEY_VOLUMEUP:
 295                         if (mode > 0)
 296                                 mode--;
 297                         break;
 298                 case KEY_VOLUMEDOWN:
 299                         if (mode < BOOT_MODE_EXIT)
 300                                 mode++;
 301                         break;
 302                 default:
 303                         break;
 304                 }
 305
 306                 if (run) {
 307                         if (mode_leave_menu(mode))
 308                                 break;
 309
 310                         display_download_menu(mode);
 311                 }
 312         }
 313
 314         lcd_clear();
 315 }
 316
 317 static void display_mode_info(void)
 318 {
 319         lcd_position_cursor(4, 4);
 320         lcd_printf("%s\n", U_BOOT_VERSION);
 321         lcd_puts("\nDownload Mode Menu\n");
 322 #ifdef CONFIG_SYS_BOARD
 323         lcd_printf("Board name: %s\n", CONFIG_SYS_BOARD);
 324 #endif
 325         lcd_printf("Press POWER KEY to display MENU options.");
 326 }
 327
 328 static int boot_menu(void)
 329 {
 330         int key = 0;
 331         int timeout = 10;
 332
 333         display_mode_info();
 334
 335         while (timeout--) {
 336                 lcd_printf("\rNormal boot will start in: %d seconds.", timeout);
 337                 mdelay(1000);
 338
 339                 key = key_pressed(KEY_POWER);
 340                 if (key)
 341                         break;
 342         }
 343
 344         lcd_clear();
 345
 346         /* If PWR pressed - show download menu */
 347         if (key) {
 348                 printf("Power pressed - go to download menu\n");
 349                 download_menu();
 350                 printf("Download mode exit.\n");
 351         }
 352
 353         return 0;
 354 }
 355
 356 void check_boot_mode(void)
 357 {
 358         int pwr_key;
 359
 360         pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
 361         if (!pwr_key)
 362                 return;
 363
 364         /* Clear PWR button Rising edge interrupt status flag */
 365         power_key_pressed(KEY_PWR_INTERRUPT_REG);
 366
 367         if (key_pressed(KEY_VOLUMEUP))
 368                 boot_menu();
 369         else if (key_pressed(KEY_VOLUMEDOWN))
 370                 mode_leave_menu(BOOT_MODE_THOR);
 371 }
 372
 373 void keys_init(void)
 374 {
 375         /* Set direction to input */
 376         gpio_direction_input(KEY_VOL_UP_GPIO);
 377         gpio_direction_input(KEY_VOL_DOWN_GPIO);
 378 }
 379 #endif /* CONFIG_LCD_MENU */
 380
 381 #ifdef CONFIG_CMD_BMP
 382 void draw_logo(void)
 383 {
 384         int x, y;
 385         ulong addr;
 386
 387         addr = panel_info.logo_addr;
 388         if (!addr) {
 389                 error("There is no logo data.");
 390                 return;
 391         }
 392
 393         if (panel_info.vl_width >= panel_info.logo_width) {
 394                 x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
 395                 x += panel_info.logo_x_offset; /* For X center align */
 396         } else {
 397                 x = 0;
 398                 printf("Warning: image width is bigger than display width\n");
 399         }
 400
 401         if (panel_info.vl_height >= panel_info.logo_height) {
 402                 y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
 403                 y += panel_info.logo_y_offset; /* For Y center align */
 404         } else {
 405                 y = 0;
 406                 printf("Warning: image height is bigger than display height\n");
 407         }
 408
 409         bmp_display(addr, x, y);
 410 }
 411 #endif /* CONFIG_CMD_BMP */