diff options
| -rw-r--r-- | common/cmd_fdt.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/common/cmd_fdt.c b/common/cmd_fdt.c index d3b19ddc1f4..436fec9928a 100644 --- a/common/cmd_fdt.c +++ b/common/cmd_fdt.c @@ -417,9 +417,21 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) ft_board_setup(working_fdt, gd->bd); #endif /* Create a chosen node */ - else if (argv[1][0] == 'c') - fdt_chosen(working_fdt, 0, 0, 1); - else { + else if (argv[1][0] == 'c') { + unsigned long initrd_start = 0, initrd_end = 0; + + if ((argc != 2) && (argc != 4)) { + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + } + + if (argc == 4) { + initrd_start = simple_strtoul(argv[2], NULL, 16); + initrd_end = simple_strtoul(argv[3], NULL, 16); + } + + fdt_chosen(working_fdt, initrd_start, initrd_end, 1); + } else { /* Unrecognized command */ printf ("Usage:\n%s\n", cmdtp->usage); return 1; @@ -798,7 +810,8 @@ U_BOOT_CMD( "fdt rsvmem print - Show current mem reserves\n" "fdt rsvmem add <addr> <size> - Add a mem reserve\n" "fdt rsvmem delete <index> - Delete a mem reserves\n" - "fdt chosen - Add/update the /chosen branch in the tree\n" + "fdt chosen [<start> <end>] - Add/update the /chosen branch in the tree\n" + " <start>/<end> - initrd start/end addr\n" "NOTE: If the path or property you are setting/printing has a '#' character\n" " or spaces, you MUST escape it with a \\ character or quote it with \".\n" ); |