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