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| author | Jan Weitzel <j.weitzel@phytec.de> | 2014-08-21 13:26:19 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-09-01 12:40:53 +0200 |
| commit | 844670839130c5541f36237ec509169ff636946f (patch) | |
| tree | 5c28265eb030255e0dafff514f60e2d1128c3eac /commands/of_dump.c | |
| parent | 57bba7bcdadab6652406c183c32db360a8910ac3 (diff) | |
| download | barebox-844670839130c5541f36237ec509169ff636946f.tar.gz barebox-844670839130c5541f36237ec509169ff636946f.tar.xz | |
commands: of_dump switch to get fixed devictree
Add a switch to get the devicetree processed by the registered fixups.
This is also whats the kernel gets.
Signed-off-by: Jan Weitzel <j.weitzel@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'commands/of_dump.c')
| -rw-r--r-- | commands/of_dump.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/commands/of_dump.c b/commands/of_dump.c index 315dbbae8c..1222ebfd6b 100644 --- a/commands/of_dump.c +++ b/commands/of_dump.c @@ -35,16 +35,20 @@ static int do_of_dump(int argc, char *argv[]) { int opt; int ret; + int fix = 0; struct device_node *root = NULL, *node, *of_free = NULL; char *dtbfile = NULL; size_t size; const char *nodename; - while ((opt = getopt(argc, argv, "f:")) > 0) { + while ((opt = getopt(argc, argv, "Ff:")) > 0) { switch (opt) { case 'f': dtbfile = optarg; break; + case 'F': + fix = 1; + break; default: return COMMAND_ERROR_USAGE; } @@ -76,6 +80,28 @@ static int do_of_dump(int argc, char *argv[]) of_free = root; } else { root = of_get_root_node(); + + if (fix) { + /* create a copy of internal devicetree */ + void *fdt; + fdt = of_flatten_dtb(root); + root = of_unflatten_dtb(fdt); + + free(fdt); + + if (IS_ERR(root)) { + ret = PTR_ERR(root); + goto out; + } + + of_free = root; + } + } + + if (fix) { + ret = of_fix_tree(root); + if (ret) + goto out; } node = of_find_node_by_path_or_alias(root, nodename); @@ -97,12 +123,13 @@ out: BAREBOX_CMD_HELP_START(of_dump) BAREBOX_CMD_HELP_TEXT("Options:") BAREBOX_CMD_HELP_OPT ("-f dtb", "work on dtb instead of internal devicetree\n") +BAREBOX_CMD_HELP_OPT ("-F", "return fixed devicetree\n") BAREBOX_CMD_HELP_END BAREBOX_CMD_START(of_dump) .cmd = do_of_dump, BAREBOX_CMD_DESC("dump devicetree nodes") - BAREBOX_CMD_OPTS("[-f] [NODE]") + BAREBOX_CMD_OPTS("[-fF] [NODE]") BAREBOX_CMD_GROUP(CMD_GRP_MISC) BAREBOX_CMD_COMPLETE(devicetree_file_complete) BAREBOX_CMD_HELP(cmd_of_dump_help) |