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1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2002
4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5  */
6 
7 /*
8  * Diagnostics support
9  */
10 #include <common.h>
11 #include <command.h>
12 #include <post.h>
13 
do_diag(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])14 int do_diag (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
15 {
16 	unsigned int i;
17 
18 	if (argc == 1 || strcmp (argv[1], "run") != 0) {
19 		/* List test info */
20 		if (argc == 1) {
21 			puts ("Available hardware tests:\n");
22 			post_info (NULL);
23 			puts ("Use 'diag [<test1> [<test2> ...]]'"
24 					" to get more info.\n");
25 			puts ("Use 'diag run [<test1> [<test2> ...]]'"
26 					" to run tests.\n");
27 		} else {
28 			for (i = 1; i < argc; i++) {
29 			    if (post_info (argv[i]) != 0)
30 				printf ("%s - no such test\n", argv[i]);
31 			}
32 		}
33 	} else {
34 		/* Run tests */
35 		if (argc == 2) {
36 			post_run (NULL, POST_RAM | POST_MANUAL);
37 		} else {
38 			for (i = 2; i < argc; i++) {
39 			    if (post_run (argv[i], POST_RAM | POST_MANUAL) != 0)
40 				printf ("%s - unable to execute the test\n",
41 					argv[i]);
42 			}
43 		}
44 	}
45 
46 	return 0;
47 }
48 /***************************************************/
49 
50 U_BOOT_CMD(
51 	diag,	CONFIG_SYS_MAXARGS,	0,	do_diag,
52 	"perform board diagnostics",
53 	     "    - print list of available tests\n"
54 	"diag [test1 [test2]]\n"
55 	"         - print information about specified tests\n"
56 	"diag run - run all available tests\n"
57 	"diag run [test1 [test2]]\n"
58 	"         - run specified tests"
59 );
60