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 <iomux.h>
  13 #include <stdio_dev.h>
  14
  15 extern void _do_coninfo (void);
  16 static int do_coninfo(struct cmd_tbl *cmd, int flag, int argc,
  17                       char *const argv[])
  18 {
  19         int l;
  20         struct list_head *list = stdio_get_list();
  21         struct list_head *pos;
  22         struct stdio_dev *dev;
  23
  24         /* Scan for valid output and input devices */
  25
  26         puts("List of available devices\n");
  27
  28         list_for_each(pos, list) {
  29                 dev = list_entry(pos, struct stdio_dev, list);
  30
  31                 printf("|-- %s (%s%s)\n",
  32                        dev->name,
  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 (CONFIG_IS_ENABLED(CONSOLE_MUX)) {
  38                                 if (iomux_match_device(console_devices[l],
  39                                                        cd_count[l], dev) >= 0)
  40                                         printf("|   |-- %s\n", stdio_names[l]);
  41                         } else {
  42                                 if (stdio_devices[l] == dev)
  43                                         printf("|   |-- %s\n", stdio_names[l]);
  44                         }
  45
  46                 }
  47         }
  48         return 0;
  49 }
  50
  51
  52 /***************************************************/
  53
  54 U_BOOT_CMD(
  55         coninfo,        3,      1,      do_coninfo,
  56         "print console devices and information",
  57         ""
  58 );