cmd/console.c

   1 /*
   2  * (C) Copyright 2000
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 /*
   9  * Boot support
  10  */
  11 #include <common.h>
  12 #include <command.h>
  13 #include <stdio_dev.h>
  14
  15 extern void _do_coninfo (void);
  16 static int do_coninfo(cmd_tbl_t *cmd, int flag, int argc, 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 ("%-8s %08x %c%c ",
  31                         dev->name,
  32                         dev->flags,
  33                         (dev->flags & DEV_FLAGS_INPUT) ? 'I' : '.',
  34                         (dev->flags & DEV_FLAGS_OUTPUT) ? 'O' : '.');
  35
  36                 for (l = 0; l < MAX_FILES; l++) {
  37                         if (stdio_devices[l] == dev) {
  38                                 printf ("%s ", stdio_names[l]);
  39                         }
  40                 }
  41                 putc ('\n');
  42         }
  43         return 0;
  44 }
  45
  46
  47 /***************************************************/
  48
  49 U_BOOT_CMD(
  50         coninfo,        3,      1,      do_coninfo,
  51         "print console devices and information",
  52         ""
  53 );