147151e4bSgaurav rana /* 247151e4bSgaurav rana * Copyright 2015 Freescale Semiconductor, Inc. 347151e4bSgaurav rana * 447151e4bSgaurav rana * SPDX-License-Identifier: GPL-2.0+ 547151e4bSgaurav rana */ 647151e4bSgaurav rana 747151e4bSgaurav rana #include <common.h> 847151e4bSgaurav rana #include <command.h> 947151e4bSgaurav rana #include <fsl_validate.h> 1047151e4bSgaurav rana 1198cb0efdSgaurav rana static int do_esbc_halt(cmd_tbl_t *cmdtp, int flag, int argc, 1298cb0efdSgaurav rana char * const argv[]) 1398cb0efdSgaurav rana { 1498cb0efdSgaurav rana printf("Core is entering spin loop.\n"); 1598cb0efdSgaurav rana loop: 1698cb0efdSgaurav rana goto loop; 1798cb0efdSgaurav rana 1898cb0efdSgaurav rana return 0; 1998cb0efdSgaurav rana } 2098cb0efdSgaurav rana 2147151e4bSgaurav rana static int do_esbc_validate(cmd_tbl_t *cmdtp, int flag, int argc, 2247151e4bSgaurav rana char * const argv[]) 2347151e4bSgaurav rana { 24*bc71f926SAneesh Bansal char *hash_str = NULL; 25*bc71f926SAneesh Bansal ulong haddr; 26*bc71f926SAneesh Bansal int ret; 27*bc71f926SAneesh Bansal 2847151e4bSgaurav rana if (argc < 2) 2947151e4bSgaurav rana return cmd_usage(cmdtp); 30*bc71f926SAneesh Bansal else if (argc > 2) 31*bc71f926SAneesh Bansal /* Second arg - Optional - Hash Str*/ 32*bc71f926SAneesh Bansal hash_str = argv[2]; 3347151e4bSgaurav rana 34*bc71f926SAneesh Bansal /* First argument - header address -32/64bit */ 35*bc71f926SAneesh Bansal haddr = simple_strtoul(argv[1], NULL, 16); 36*bc71f926SAneesh Bansal 37*bc71f926SAneesh Bansal ret = fsl_secboot_validate(haddr, hash_str); 38*bc71f926SAneesh Bansal if (ret) 39*bc71f926SAneesh Bansal return 1; 40*bc71f926SAneesh Bansal 41*bc71f926SAneesh Bansal printf("esbc_validate command successful\n"); 42*bc71f926SAneesh Bansal return 0; 4347151e4bSgaurav rana } 4447151e4bSgaurav rana 4547151e4bSgaurav rana /***************************************************/ 4647151e4bSgaurav rana static char esbc_validate_help_text[] = 4747151e4bSgaurav rana "esbc_validate hdr_addr <hash_val> - Validates signature using\n" 4847151e4bSgaurav rana " RSA verification\n" 4947151e4bSgaurav rana " $hdr_addr Address of header of the image\n" 5047151e4bSgaurav rana " to be validated.\n" 5147151e4bSgaurav rana " $hash_val -Optional\n" 5247151e4bSgaurav rana " It provides Hash of public/srk key to be\n" 5347151e4bSgaurav rana " used to verify signature.\n"; 5447151e4bSgaurav rana 5547151e4bSgaurav rana U_BOOT_CMD( 5647151e4bSgaurav rana esbc_validate, 3, 0, do_esbc_validate, 5747151e4bSgaurav rana "Validates signature on a given image using RSA verification", 5847151e4bSgaurav rana esbc_validate_help_text 5947151e4bSgaurav rana ); 6098cb0efdSgaurav rana 6198cb0efdSgaurav rana U_BOOT_CMD( 6298cb0efdSgaurav rana esbc_halt, 1, 0, do_esbc_halt, 6398cb0efdSgaurav rana "Put the core in spin loop ", 6498cb0efdSgaurav rana "" 6598cb0efdSgaurav rana ); 66