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 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