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 <memalign.h>
  16 #include <linux/sizes.h>
  17 #include <asm/arch/cpu.h>
  18 #include <asm/gpio.h>
  19 #include <linux/input.h>
  20 #include <dm.h>
  21 #include <power/pmic.h>
  22 #include <mmc.h>
  23
  24 DECLARE_GLOBAL_DATA_PTR;
  25
  26 #ifdef CONFIG_SET_DFU_ALT_INFO
  27 void set_dfu_alt_info(char *interface, char *devstr)
  28 {
  29         size_t buf_size = CONFIG_SET_DFU_ALT_BUF_LEN;
  30         ALLOC_CACHE_ALIGN_BUFFER(char, buf, buf_size);
  31         char *alt_info = "Settings not found!";
  32         char *status = "error!\n";
  33         char *alt_setting;
  34         char *alt_sep;
  35         int offset = 0;
  36
  37         puts("DFU alt info setting: ");
  38
  39         alt_setting = get_dfu_alt_boot(interface, devstr);
  40         if (alt_setting) {
  41                 setenv("dfu_alt_boot", alt_setting);
  42                 offset = snprintf(buf, buf_size, "%s", alt_setting);
  43         }
  44
  45         alt_setting = get_dfu_alt_system(interface, devstr);
  46         if (alt_setting) {
  47                 if (offset)
  48                         alt_sep = ";";
  49                 else
  50                         alt_sep = "";
  51
  52                 offset += snprintf(buf + offset, buf_size - offset,
  53                                     "%s%s", alt_sep, alt_setting);
  54         }
  55
  56         if (offset) {
  57                 alt_info = buf;
  58                 status = "done\n";
  59         }
  60
  61         setenv("dfu_alt_info", alt_info);
  62         puts(status);
  63 }
  64 #endif
  65
  66 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
  67 void set_board_info(void)
  68 {
  69         char info[64];
  70
  71         snprintf(info, ARRAY_SIZE(info), "%u.%u", (s5p_cpu_rev & 0xf0) >> 4,
  72                  s5p_cpu_rev & 0xf);
  73         setenv("soc_rev", info);
  74
  75         snprintf(info, ARRAY_SIZE(info), "%x", s5p_cpu_id);
  76         setenv("soc_id", info);
  77
  78 #ifdef CONFIG_REVISION_TAG
  79         snprintf(info, ARRAY_SIZE(info), "%x", get_board_rev());
  80         setenv("board_rev", info);
  81 #endif
  82 #ifdef CONFIG_OF_LIBFDT
  83         const char *bdtype = "";
  84         const char *bdname = CONFIG_SYS_BOARD;
  85
  86 #ifdef CONFIG_BOARD_TYPES
  87         bdtype = get_board_type();
  88         if (!bdtype)
  89                 bdtype = "";
  90
  91         sprintf(info, "%s%s", bdname, bdtype);
  92         setenv("boardname", info);
  93 #endif
  94         snprintf(info, ARRAY_SIZE(info),  "%s%x-%s%s.dtb",
  95                  CONFIG_SYS_SOC, s5p_cpu_id, bdname, bdtype);
  96         setenv("fdtfile", info);
  97 #endif
  98 }
  99 #endif /* CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG */
 100
 101 #ifdef CONFIG_LCD_MENU
 102 static int power_key_pressed(u32 reg)
 103 {
 104 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
 105         struct pmic *pmic;
 106         u32 status;
 107         u32 mask;
 108
 109         pmic = pmic_get(KEY_PWR_PMIC_NAME);
 110         if (!pmic) {
 111                 printf("%s: Not found\n", KEY_PWR_PMIC_NAME);
 112                 return 0;
 113         }
 114
 115         if (pmic_probe(pmic))
 116                 return 0;
 117
 118         if (reg == KEY_PWR_STATUS_REG)
 119                 mask = KEY_PWR_STATUS_MASK;
 120         else
 121                 mask = KEY_PWR_INTERRUPT_MASK;
 122
 123         if (pmic_reg_read(pmic, reg, &status))
 124                 return 0;
 125
 126         return !!(status & mask);
 127 #else
 128         return 0;
 129 #endif
 130 }
 131
 132 static int key_pressed(int key)
 133 {
 134         int value;
 135
 136         switch (key) {
 137         case KEY_POWER:
 138                 value = power_key_pressed(KEY_PWR_INTERRUPT_REG);
 139                 break;
 140         case KEY_VOLUMEUP:
 141                 value = !gpio_get_value(KEY_VOL_UP_GPIO);
 142                 break;
 143         case KEY_VOLUMEDOWN:
 144                 value = !gpio_get_value(KEY_VOL_DOWN_GPIO);
 145                 break;
 146         default:
 147                 value = 0;
 148                 break;
 149         }
 150
 151         return value;
 152 }
 153
 154 #ifdef CONFIG_LCD
 155 static int check_keys(void)
 156 {
 157         int keys = 0;
 158
 159         if (key_pressed(KEY_POWER))
 160                 keys += KEY_POWER;
 161         if (key_pressed(KEY_VOLUMEUP))
 162                 keys += KEY_VOLUMEUP;
 163         if (key_pressed(KEY_VOLUMEDOWN))
 164                 keys += KEY_VOLUMEDOWN;
 165
 166         return keys;
 167 }
 168
 169 /*
 170  * 0 BOOT_MODE_INFO
 171  * 1 BOOT_MODE_THOR
 172  * 2 BOOT_MODE_UMS
 173  * 3 BOOT_MODE_DFU
 174  * 4 BOOT_MODE_EXIT
 175  */
 176 static char *
 177 mode_name[BOOT_MODE_EXIT + 1][2] = {
 178         {"DEVICE", ""},
 179         {"THOR", "thor"},
 180         {"UMS", "ums"},
 181         {"DFU", "dfu"},
 182         {"GPT", "gpt"},
 183         {"ENV", "env"},
 184         {"EXIT", ""},
 185 };
 186
 187 static char *
 188 mode_info[BOOT_MODE_EXIT + 1] = {
 189         "info",
 190         "downloader",
 191         "mass storage",
 192         "firmware update",
 193         "restore",
 194         "default",
 195         "and run normal boot"
 196 };
 197
 198 static char *
 199 mode_cmd[BOOT_MODE_EXIT + 1] = {
 200         "",
 201         "thor 0 mmc 0",
 202         "ums 0 mmc 0",
 203         "dfu 0 mmc 0",
 204         "gpt write mmc 0 $partitions",
 205         "env default -a; saveenv",
 206         "",
 207 };
 208
 209 static void display_board_info(void)
 210 {
 211 #ifdef CONFIG_MMC
 212         struct mmc *mmc = find_mmc_device(0);
 213 #endif
 214         vidinfo_t *vid = &panel_info;
 215
 216         lcd_position_cursor(4, 4);
 217
 218         lcd_printf("%s\n\t", U_BOOT_VERSION);
 219         lcd_puts("\n\t\tBoard Info:\n");
 220 #ifdef CONFIG_SYS_BOARD
 221         lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
 222 #endif
 223 #ifdef CONFIG_REVISION_TAG
 224         lcd_printf("\tBoard rev: %u\n", get_board_rev());
 225 #endif
 226         lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
 227         lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
 228
 229 #ifdef CONFIG_MMC
 230         if (mmc) {
 231                 if (!mmc->capacity)
 232                         mmc_init(mmc);
 233
 234                 lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
 235         }
 236 #endif
 237         if (vid)
 238                 lcd_printf("\tDisplay resolution: %u x % u\n",
 239                            vid->vl_col, vid->vl_row);
 240
 241         lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
 242 }
 243 #endif
 244
 245 static int mode_leave_menu(int mode)
 246 {
 247 #ifdef CONFIG_LCD
 248         char *exit_option;
 249         char *exit_reset = "reset";
 250         char *exit_back = "back";
 251         cmd_tbl_t *cmd;
 252         int cmd_result;
 253         int leave;
 254
 255         lcd_clear();
 256
 257         switch (mode) {
 258         case BOOT_MODE_EXIT:
 259                 return 1;
 260         case BOOT_MODE_INFO:
 261                 display_board_info();
 262                 exit_option = exit_back;
 263                 leave = 0;
 264                 break;
 265         default:
 266                 cmd = find_cmd(mode_name[mode][1]);
 267                 if (cmd) {
 268                         printf("Enter: %s %s\n", mode_name[mode][0],
 269                                mode_info[mode]);
 270                         lcd_printf("\n\n\t%s %s\n", mode_name[mode][0],
 271                                    mode_info[mode]);
 272                         lcd_puts("\n\tDo not turn off device before finish!\n");
 273
 274                         cmd_result = run_command(mode_cmd[mode], 0);
 275
 276                         if (cmd_result == CMD_RET_SUCCESS) {
 277                                 printf("Command finished\n");
 278                                 lcd_clear();
 279                                 lcd_printf("\n\n\t%s finished\n",
 280                                            mode_name[mode][0]);
 281
 282                                 exit_option = exit_reset;
 283                                 leave = 1;
 284                         } else {
 285                                 printf("Command error\n");
 286                                 lcd_clear();
 287                                 lcd_printf("\n\n\t%s command error\n",
 288                                            mode_name[mode][0]);
 289
 290                                 exit_option = exit_back;
 291                                 leave = 0;
 292                         }
 293                 } else {
 294                         lcd_puts("\n\n\tThis mode is not supported.\n");
 295                         exit_option = exit_back;
 296                         leave = 0;
 297                 }
 298         }
 299
 300         lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
 301
 302         /* Clear PWR button Rising edge interrupt status flag */
 303         power_key_pressed(KEY_PWR_INTERRUPT_REG);
 304
 305         /* Wait for PWR key */
 306         while (!key_pressed(KEY_POWER))
 307                 mdelay(1);
 308
 309         lcd_clear();
 310         return leave;
 311 #else
 312         return 0;
 313 #endif
 314 }
 315
 316 #ifdef CONFIG_LCD
 317 static void display_download_menu(int mode)
 318 {
 319         char *selection[BOOT_MODE_EXIT + 1];
 320         int i;
 321
 322         for (i = 0; i <= BOOT_MODE_EXIT; i++)
 323                 selection[i] = "[  ]";
 324
 325         selection[mode] = "[=>]";
 326
 327         lcd_clear();
 328         lcd_printf("\n\n\t\tDownload Mode Menu\n\n");
 329
 330         for (i = 0; i <= BOOT_MODE_EXIT; i++)
 331                 lcd_printf("\t%s  %s - %s\n\n", selection[i],
 332                            mode_name[i][0], mode_info[i]);
 333 }
 334 #endif
 335
 336 static void download_menu(void)
 337 {
 338 #ifdef CONFIG_LCD
 339         int mode = 0;
 340         int last_mode = 0;
 341         int run;
 342         int key = 0;
 343         int timeout = 15; /* sec */
 344         int i;
 345
 346         display_download_menu(mode);
 347
 348         lcd_puts("\n");
 349
 350         /* Start count if no key is pressed */
 351         while (check_keys())
 352                 continue;
 353
 354         while (timeout--) {
 355                 lcd_printf("\r\tNormal boot will start in: %2.d seconds.",
 356                            timeout);
 357
 358                 /* about 1000 ms in for loop */
 359                 for (i = 0; i < 10; i++) {
 360                         mdelay(100);
 361                         key = check_keys();
 362                         if (key)
 363                                 break;
 364                 }
 365                 if (key)
 366                         break;
 367         }
 368
 369         if (!key) {
 370                 lcd_clear();
 371                 return;
 372         }
 373
 374         while (1) {
 375                 run = 0;
 376
 377                 if (mode != last_mode)
 378                         display_download_menu(mode);
 379
 380                 last_mode = mode;
 381                 mdelay(200);
 382
 383                 key = check_keys();
 384                 switch (key) {
 385                 case KEY_POWER:
 386                         run = 1;
 387                         break;
 388                 case KEY_VOLUMEUP:
 389                         if (mode > 0)
 390                                 mode--;
 391                         break;
 392                 case KEY_VOLUMEDOWN:
 393                         if (mode < BOOT_MODE_EXIT)
 394                                 mode++;
 395                         break;
 396                 default:
 397                         break;
 398                 }
 399
 400                 if (run) {
 401                         if (mode_leave_menu(mode))
 402                                 run_command("reset", 0);
 403
 404                         display_download_menu(mode);
 405                 }
 406         }
 407
 408         lcd_clear();
 409 #endif
 410 }
 411
 412 void check_boot_mode(void)
 413 {
 414         int pwr_key;
 415
 416         pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
 417         if (!pwr_key)
 418                 return;
 419
 420         /* Clear PWR button Rising edge interrupt status flag */
 421         power_key_pressed(KEY_PWR_INTERRUPT_REG);
 422
 423         if (key_pressed(KEY_VOLUMEUP))
 424                 download_menu();
 425         else if (key_pressed(KEY_VOLUMEDOWN))
 426                 mode_leave_menu(BOOT_MODE_THOR);
 427 }
 428
 429 void keys_init(void)
 430 {
 431         /* Set direction to input */
 432         gpio_request(KEY_VOL_UP_GPIO, "volume-up");
 433         gpio_request(KEY_VOL_DOWN_GPIO, "volume-down");
 434         gpio_direction_input(KEY_VOL_UP_GPIO);
 435         gpio_direction_input(KEY_VOL_DOWN_GPIO);
 436 }
 437 #endif /* CONFIG_LCD_MENU */
 438
 439 #ifdef CONFIG_CMD_BMP
 440 void draw_logo(void)
 441 {
 442         int x, y;
 443         ulong addr;
 444
 445         addr = panel_info.logo_addr;
 446         if (!addr) {
 447                 error("There is no logo data.");
 448                 return;
 449         }
 450
 451         if (panel_info.vl_width >= panel_info.logo_width) {
 452                 x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
 453                 x += panel_info.logo_x_offset; /* For X center align */
 454         } else {
 455                 x = 0;
 456                 printf("Warning: image width is bigger than display width\n");
 457         }
 458
 459         if (panel_info.vl_height >= panel_info.logo_height) {
 460                 y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
 461                 y += panel_info.logo_y_offset; /* For Y center align */
 462         } else {
 463                 y = 0;
 464                 printf("Warning: image height is bigger than display height\n");
 465         }
 466
 467         bmp_display(addr, x, y);
 468 }
 469 #endif /* CONFIG_CMD_BMP */