git.sur5r.net Git - u-boot/blob - 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         struct pmic *pmic;
 105         u32 status;
 106         u32 mask;
 107
 108         pmic = pmic_get(KEY_PWR_PMIC_NAME);
 109         if (!pmic) {
 110                 printf("%s: Not found\n", KEY_PWR_PMIC_NAME);
 111                 return 0;
 112         }
 113
 114         if (pmic_probe(pmic))
 115                 return 0;
 116
 117         if (reg == KEY_PWR_STATUS_REG)
 118                 mask = KEY_PWR_STATUS_MASK;
 119         else
 120                 mask = KEY_PWR_INTERRUPT_MASK;
 121
 122         if (pmic_reg_read(pmic, reg, &status))
 123                 return 0;
 124
 125         return !!(status & mask);
 126 }
 127
 128 static int key_pressed(int key)
 129 {
 130         int value;
 131
 132         switch (key) {
 133         case KEY_POWER:
 134                 value = power_key_pressed(KEY_PWR_INTERRUPT_REG);
 135                 break;
 136         case KEY_VOLUMEUP:
 137                 value = !gpio_get_value(KEY_VOL_UP_GPIO);
 138                 break;
 139         case KEY_VOLUMEDOWN:
 140                 value = !gpio_get_value(KEY_VOL_DOWN_GPIO);
 141                 break;
 142         default:
 143                 value = 0;
 144                 break;
 145         }
 146
 147         return value;
 148 }
 149
 150 static int check_keys(void)
 151 {
 152         int keys = 0;
 153
 154         if (key_pressed(KEY_POWER))
 155                 keys += KEY_POWER;
 156         if (key_pressed(KEY_VOLUMEUP))
 157                 keys += KEY_VOLUMEUP;
 158         if (key_pressed(KEY_VOLUMEDOWN))
 159                 keys += KEY_VOLUMEDOWN;
 160
 161         return keys;
 162 }
 163
 164 /*
 165  * 0 BOOT_MODE_INFO
 166  * 1 BOOT_MODE_THOR
 167  * 2 BOOT_MODE_UMS
 168  * 3 BOOT_MODE_DFU
 169  * 4 BOOT_MODE_EXIT
 170  */
 171 static char *
 172 mode_name[BOOT_MODE_EXIT + 1][2] = {
 173         {"DEVICE", ""},
 174         {"THOR", "thor"},
 175         {"UMS", "ums"},
 176         {"DFU", "dfu"},
 177         {"GPT", "gpt"},
 178         {"ENV", "env"},
 179         {"EXIT", ""},
 180 };
 181
 182 static char *
 183 mode_info[BOOT_MODE_EXIT + 1] = {
 184         "info",
 185         "downloader",
 186         "mass storage",
 187         "firmware update",
 188         "restore",
 189         "default",
 190         "and run normal boot"
 191 };
 192
 193 static char *
 194 mode_cmd[BOOT_MODE_EXIT + 1] = {
 195         "",
 196         "thor 0 mmc 0",
 197         "ums 0 mmc 0",
 198         "dfu 0 mmc 0",
 199         "gpt write mmc 0 $partitions",
 200         "env default -a; saveenv",
 201         "",
 202 };
 203
 204 static void display_board_info(void)
 205 {
 206 #ifdef CONFIG_GENERIC_MMC
 207         struct mmc *mmc = find_mmc_device(0);
 208 #endif
 209         vidinfo_t *vid = &panel_info;
 210
 211         lcd_position_cursor(4, 4);
 212
 213         lcd_printf("%s\n\t", U_BOOT_VERSION);
 214         lcd_puts("\n\t\tBoard Info:\n");
 215 #ifdef CONFIG_SYS_BOARD
 216         lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
 217 #endif
 218 #ifdef CONFIG_REVISION_TAG
 219         lcd_printf("\tBoard rev: %u\n", get_board_rev());
 220 #endif
 221         lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
 222         lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
 223
 224 #ifdef CONFIG_GENERIC_MMC
 225         if (mmc) {
 226                 if (!mmc->capacity)
 227                         mmc_init(mmc);
 228
 229                 lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
 230         }
 231 #endif
 232         if (vid)
 233                 lcd_printf("\tDisplay resolution: %u x % u\n",
 234                            vid->vl_col, vid->vl_row);
 235
 236         lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
 237 }
 238
 239 static int mode_leave_menu(int mode)
 240 {
 241         char *exit_option;
 242         char *exit_reset = "reset";
 243         char *exit_back = "back";
 244         cmd_tbl_t *cmd;
 245         int cmd_result;
 246         int leave;
 247
 248         lcd_clear();
 249
 250         switch (mode) {
 251         case BOOT_MODE_EXIT:
 252                 return 1;
 253         case BOOT_MODE_INFO:
 254                 display_board_info();
 255                 exit_option = exit_back;
 256                 leave = 0;
 257                 break;
 258         default:
 259                 cmd = find_cmd(mode_name[mode][1]);
 260                 if (cmd) {
 261                         printf("Enter: %s %s\n", mode_name[mode][0],
 262                                mode_info[mode]);
 263                         lcd_printf("\n\n\t%s %s\n", mode_name[mode][0],
 264                                    mode_info[mode]);
 265                         lcd_puts("\n\tDo not turn off device before finish!\n");
 266
 267                         cmd_result = run_command(mode_cmd[mode], 0);
 268
 269                         if (cmd_result == CMD_RET_SUCCESS) {
 270                                 printf("Command finished\n");
 271                                 lcd_clear();
 272                                 lcd_printf("\n\n\t%s finished\n",
 273                                            mode_name[mode][0]);
 274
 275                                 exit_option = exit_reset;
 276                                 leave = 1;
 277                         } else {
 278                                 printf("Command error\n");
 279                                 lcd_clear();
 280                                 lcd_printf("\n\n\t%s command error\n",
 281                                            mode_name[mode][0]);
 282
 283                                 exit_option = exit_back;
 284                                 leave = 0;
 285                         }
 286                 } else {
 287                         lcd_puts("\n\n\tThis mode is not supported.\n");
 288                         exit_option = exit_back;
 289                         leave = 0;
 290                 }
 291         }
 292
 293         lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
 294
 295         /* Clear PWR button Rising edge interrupt status flag */
 296         power_key_pressed(KEY_PWR_INTERRUPT_REG);
 297
 298         /* Wait for PWR key */
 299         while (!key_pressed(KEY_POWER))
 300                 mdelay(1);
 301
 302         lcd_clear();
 303         return leave;
 304 }
 305
 306 static void display_download_menu(int mode)
 307 {
 308         char *selection[BOOT_MODE_EXIT + 1];
 309         int i;
 310
 311         for (i = 0; i <= BOOT_MODE_EXIT; i++)
 312                 selection[i] = "[  ]";
 313
 314         selection[mode] = "[=>]";
 315
 316         lcd_clear();
 317         lcd_printf("\n\n\t\tDownload Mode Menu\n\n");
 318
 319         for (i = 0; i <= BOOT_MODE_EXIT; i++)
 320                 lcd_printf("\t%s  %s - %s\n\n", selection[i],
 321                            mode_name[i][0], mode_info[i]);
 322 }
 323
 324 static void download_menu(void)
 325 {
 326         int mode = 0;
 327         int last_mode = 0;
 328         int run;
 329         int key = 0;
 330         int timeout = 15; /* sec */
 331         int i;
 332
 333         display_download_menu(mode);
 334
 335         lcd_puts("\n");
 336
 337         /* Start count if no key is pressed */
 338         while (check_keys())
 339                 continue;
 340
 341         while (timeout--) {
 342                 lcd_printf("\r\tNormal boot will start in: %2.d seconds.",
 343                            timeout);
 344
 345                 /* about 1000 ms in for loop */
 346                 for (i = 0; i < 10; i++) {
 347                         mdelay(100);
 348                         key = check_keys();
 349                         if (key)
 350                                 break;
 351                 }
 352                 if (key)
 353                         break;
 354         }
 355
 356         if (!key) {
 357                 lcd_clear();
 358                 return;
 359         }
 360
 361         while (1) {
 362                 run = 0;
 363
 364                 if (mode != last_mode)
 365                         display_download_menu(mode);
 366
 367                 last_mode = mode;
 368                 mdelay(200);
 369
 370                 key = check_keys();
 371                 switch (key) {
 372                 case KEY_POWER:
 373                         run = 1;
 374                         break;
 375                 case KEY_VOLUMEUP:
 376                         if (mode > 0)
 377                                 mode--;
 378                         break;
 379                 case KEY_VOLUMEDOWN:
 380                         if (mode < BOOT_MODE_EXIT)
 381                                 mode++;
 382                         break;
 383                 default:
 384                         break;
 385                 }
 386
 387                 if (run) {
 388                         if (mode_leave_menu(mode))
 389                                 run_command("reset", 0);
 390
 391                         display_download_menu(mode);
 392                 }
 393         }
 394
 395         lcd_clear();
 396 }
 397
 398 void check_boot_mode(void)
 399 {
 400         int pwr_key;
 401
 402         pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
 403         if (!pwr_key)
 404                 return;
 405
 406         /* Clear PWR button Rising edge interrupt status flag */
 407         power_key_pressed(KEY_PWR_INTERRUPT_REG);
 408
 409         if (key_pressed(KEY_VOLUMEUP))
 410                 download_menu();
 411         else if (key_pressed(KEY_VOLUMEDOWN))
 412                 mode_leave_menu(BOOT_MODE_THOR);
 413 }
 414
 415 void keys_init(void)
 416 {
 417         /* Set direction to input */
 418         gpio_request(KEY_VOL_UP_GPIO, "volume-up");
 419         gpio_request(KEY_VOL_DOWN_GPIO, "volume-down");
 420         gpio_direction_input(KEY_VOL_UP_GPIO);
 421         gpio_direction_input(KEY_VOL_DOWN_GPIO);
 422 }
 423 #endif /* CONFIG_LCD_MENU */
 424
 425 #ifdef CONFIG_CMD_BMP
 426 void draw_logo(void)
 427 {
 428         int x, y;
 429         ulong addr;
 430
 431         addr = panel_info.logo_addr;
 432         if (!addr) {
 433                 error("There is no logo data.");
 434                 return;
 435         }
 436
 437         if (panel_info.vl_width >= panel_info.logo_width) {
 438                 x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
 439                 x += panel_info.logo_x_offset; /* For X center align */
 440         } else {
 441                 x = 0;
 442                 printf("Warning: image width is bigger than display width\n");
 443         }
 444
 445         if (panel_info.vl_height >= panel_info.logo_height) {
 446                 y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
 447                 y += panel_info.logo_y_offset; /* For Y center align */
 448         } else {
 449                 y = 0;
 450                 printf("Warning: image height is bigger than display height\n");
 451         }
 452
 453         bmp_display(addr, x, y);
 454 }
 455 #endif /* CONFIG_CMD_BMP */