diff options
Diffstat (limited to 'arch/arm/mach-imx/ele_ahab.c')
| -rw-r--r-- | arch/arm/mach-imx/ele_ahab.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/ele_ahab.c b/arch/arm/mach-imx/ele_ahab.c index 6daa7a96a0..192f90e6b1 100644 --- a/arch/arm/mach-imx/ele_ahab.c +++ b/arch/arm/mach-imx/ele_ahab.c @@ -568,6 +568,39 @@ static int do_ahab_status(struct cmd_tbl *cmdtp, int flag, int argc, return 0; } +static int do_sec_fuse_prog(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + ulong addr; + u32 header, response; + + if (argc < 2) + return CMD_RET_USAGE; + + addr = simple_strtoul(argv[1], NULL, 16); + header = *(u32 *)addr; + + if ((header & 0xff0000ff) != 0x89000000) { + printf("Wrong Signed message block format, header 0x%x\n", header); + return CMD_RET_FAILURE; + } + + header = (header & 0xffff00) >> 8; + + printf("Signed Message block at 0x%lx, size 0x%x\n", addr, header); + flush_dcache_range(addr, addr + header - 1); + + if (ahab_write_secure_fuse(addr, &response)) { + printf("Program secure fuse failed, response 0x%x\n", response); + return CMD_RET_FAILURE; + } + + printf("Program secure fuse completed, response 0x%x\n", response); + + return CMD_RET_SUCCESS; +} + + U_BOOT_CMD(auth_cntr, CONFIG_SYS_MAXARGS, 1, do_authenticate, "autenticate OS container via AHAB", "addr\n" @@ -588,3 +621,9 @@ U_BOOT_CMD(ahab_status, CONFIG_SYS_MAXARGS, 1, do_ahab_status, "display AHAB lifecycle only", "" ); + +U_BOOT_CMD(ahab_sec_fuse_prog, CONFIG_SYS_MAXARGS, 1, do_sec_fuse_prog, + "Program secure fuse via signed message block", + "addr\n" + "addr - Signed message block for secure fuse\n" +); |