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fdt: added the ability to set initrd start/end via chosen command

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Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala 2008-08-15 08:24:34 -05:00 committed by Wolfgang Denk
parent ffa4bafaca
commit f953d99fd5
1 changed files with 17 additions and 4 deletions
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21
common/cmd_fdt.c
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@ -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"
);