cmd/console.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2000
   4  * Wolfgang Denk, DENX Software Engineering, [email protected].
   5  */
   6
   7 /*
   8  * Boot support
   9  */
  10 #include <command.h>
  11 #include <iomux.h>
  12 #include <stdio_dev.h>
  13
  14 extern void _do_coninfo (void);
  15 static int do_coninfo(struct cmd_tbl *cmd, int flag, int argc,
  16                       char *const argv[])
  17 {
  18         int l;
  19         struct list_head *list = stdio_get_list();
  20         struct list_head *pos;
  21         struct stdio_dev *dev;
  22
  23         /* Scan for valid output and input devices */
  24
  25         puts("List of available devices\n");
  26
  27         list_for_each(pos, list) {
  28                 dev = list_entry(pos, struct stdio_dev, list);
  29
  30                 printf("|-- %s (%s%s)\n",
  31                        dev->name,
  32                        (dev->flags & DEV_FLAGS_INPUT) ? "I" : "",
  33                        (dev->flags & DEV_FLAGS_OUTPUT) ? "O" : "");
  34
  35                 for (l = 0; l < MAX_FILES; l++) {
  36                         if (CONFIG_IS_ENABLED(CONSOLE_MUX)) {
  37                                 if (iomux_match_device(console_devices[l],
  38                                                        cd_count[l], dev) >= 0)
  39                                         printf("|   |-- %s\n", stdio_names[l]);
  40                         } else {
  41                                 if (stdio_devices[l] == dev)
  42                                         printf("|   |-- %s\n", stdio_names[l]);
  43                         }
  44
  45                 }
  46         }
  47         return 0;
  48 }
  49
  50 /***************************************************/
  51
  52 U_BOOT_CMD(
  53         coninfo,        3,      1,      do_coninfo,
  54         "print console devices and information",
  55         ""
  56 );