cmd/console.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2000
   4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5  */
   6
   7 /*
   8  * Boot support
   9  */
  10 #include <common.h>
  11 #include <command.h>
  12 #include <stdio_dev.h>
  13
  14 extern void _do_coninfo (void);
  15 static int do_coninfo(cmd_tbl_t *cmd, int flag, int argc, char * const argv[])
  16 {
  17         int l;
  18         struct list_head *list = stdio_get_list();
  19         struct list_head *pos;
  20         struct stdio_dev *dev;
  21
  22         /* Scan for valid output and input devices */
  23
  24         puts ("List of available devices:\n");
  25
  26         list_for_each(pos, list) {
  27                 dev = list_entry(pos, struct stdio_dev, list);
  28
  29                 printf ("%-8s %08x %c%c ",
  30                         dev->name,
  31                         dev->flags,
  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 (stdio_devices[l] == dev) {
  37                                 printf ("%s ", stdio_names[l]);
  38                         }
  39                 }
  40                 putc ('\n');
  41         }
  42         return 0;
  43 }
  44
  45
  46 /***************************************************/
  47
  48 U_BOOT_CMD(
  49         coninfo,        3,      1,      do_coninfo,
  50         "print console devices and information",
  51         ""
  52 );