xref: /OK3568_Linux_fs/u-boot/cmd/console.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2000
3*4882a593Smuzhiyun  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun /*
9*4882a593Smuzhiyun  * Boot support
10*4882a593Smuzhiyun  */
11*4882a593Smuzhiyun #include <common.h>
12*4882a593Smuzhiyun #include <command.h>
13*4882a593Smuzhiyun #include <stdio_dev.h>
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun extern void _do_coninfo (void);
do_coninfo(cmd_tbl_t * cmd,int flag,int argc,char * const argv[])16*4882a593Smuzhiyun static int do_coninfo(cmd_tbl_t *cmd, int flag, int argc, char * const argv[])
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun 	int l;
19*4882a593Smuzhiyun 	struct list_head *list = stdio_get_list();
20*4882a593Smuzhiyun 	struct list_head *pos;
21*4882a593Smuzhiyun 	struct stdio_dev *dev;
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun 	/* Scan for valid output and input devices */
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun 	puts ("List of available devices:\n");
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun 	list_for_each(pos, list) {
28*4882a593Smuzhiyun 		dev = list_entry(pos, struct stdio_dev, list);
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun 		printf ("%-8s %08x %c%c ",
31*4882a593Smuzhiyun 			dev->name,
32*4882a593Smuzhiyun 			dev->flags,
33*4882a593Smuzhiyun 			(dev->flags & DEV_FLAGS_INPUT) ? 'I' : '.',
34*4882a593Smuzhiyun 			(dev->flags & DEV_FLAGS_OUTPUT) ? 'O' : '.');
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun 		for (l = 0; l < MAX_FILES; l++) {
37*4882a593Smuzhiyun 			if (stdio_devices[l] == dev) {
38*4882a593Smuzhiyun 				printf ("%s ", stdio_names[l]);
39*4882a593Smuzhiyun 			}
40*4882a593Smuzhiyun 		}
41*4882a593Smuzhiyun 		putc ('\n');
42*4882a593Smuzhiyun 	}
43*4882a593Smuzhiyun 	return 0;
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun /***************************************************/
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun U_BOOT_CMD(
50*4882a593Smuzhiyun 	coninfo,	3,	1,	do_coninfo,
51*4882a593Smuzhiyun 	"print console devices and information",
52*4882a593Smuzhiyun 	""
53*4882a593Smuzhiyun );
54