check if a fdt is correct signed pass an optional addr value. Contains the addr of the key blob
Signed-off-by: Heiko Schocher hs@denx.de Cc: Simon Glass sjg@chromium.org --- common/cmd_fdt.c | 38 +++++++++++++++++++++++++++++++++++++- 1 file changed, 37 insertions(+), 1 deletion(-)
diff --git a/common/cmd_fdt.c b/common/cmd_fdt.c index 3a9edd6..b8468ea 100644 --- a/common/cmd_fdt.c +++ b/common/cmd_fdt.c @@ -243,7 +243,7 @@ static int do_fdt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) /* * Set the value of a property in the working_fdt. */ - } else if (argv[1][0] == 's') { + } else if (strncmp(argv[1], "se", 2) == 0) { char *pathp; /* path */ char *prop; /* property */ int nodeoffset; /* node offset from libfdt */ @@ -283,6 +283,37 @@ static int do_fdt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 1; }
+#if defined(CONFIG_FIT_SIGNATURE) + } else if (strncmp(argv[1], "si", 2) == 0) { + int cfg_noffset; + int ret; + unsigned long addr; + struct fdt_header *blob; + + if (!working_fdt) + return CMD_RET_FAILURE; + + if (argc > 2) { + addr = simple_strtoul(argv[2], NULL, 16); + blob = map_sysmem(addr, 0); + } else { + blob = (struct fdt_header *)gd->fdt_blob; + } + if (!fdt_valid(&blob)) + return 1; + + gd->fdt_blob = blob; + cfg_noffset = fit_conf_get_node(working_fdt, NULL); + if (!cfg_noffset) + return CMD_RET_FAILURE; + + ret = fit_config_verify(working_fdt, cfg_noffset); + if (ret == 1) + return CMD_RET_SUCCESS; + else + return CMD_RET_FAILURE; +#endif + /******************************************************************** * Get the value of a property in the working_fdt. ********************************************************************/ @@ -992,6 +1023,11 @@ static char fdt_help_text[] = "fdt rsvmem delete <index> - Delete a mem reserves\n" "fdt chosen [<start> <end>] - Add/update the /chosen branch in the tree\n" " <start>/<end> - initrd start/end addr\n" +#if defined(CONFIG_FIT_SIGNATURE) + "fdt sign [<addr>] - check FIT signature\n" + " <start> - addr of key blob\n" + " default gd->fdt_blob\n" +#endif "NOTE: Dereference aliases by omiting the leading '/', " "e.g. fdt print ethernet0."; #endif