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| author | Che-Liang Chiou <clchiou@chromium.org> | 2012-10-25 16:31:05 +0000 |
|---|---|---|
| committer | Gerald Van Baren <gvb@unssw.com> | 2012-11-12 23:14:57 -0500 |
| commit | aadef0a1bc3db81708471c9d18eb6c756659196f (patch) | |
| tree | a08327dfcaab8d16aec6d534164ee526419f002b /lib | |
| parent | 79289c0b5ff4a8c7869d7ca629cddc660dd06095 (diff) | |
| download | olio-uboot-2014.01-aadef0a1bc3db81708471c9d18eb6c756659196f.tar.xz olio-uboot-2014.01-aadef0a1bc3db81708471c9d18eb6c756659196f.zip | |
fdt: Add fdtdec_get_uint64 to decode a 64-bit value from a property
It decodes a 64-bit value from a property that is at least 8 bytes long.
Signed-off-by: Che-Liang Chiou <clchiou@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/fdtdec.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/fdtdec.c b/lib/fdtdec.c index da12df209..150512e5a 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -111,6 +111,19 @@ s32 fdtdec_get_int(const void *blob, int node, const char *prop_name, return default_val; } +uint64_t fdtdec_get_uint64(const void *blob, int node, const char *prop_name, + uint64_t default_val) +{ + const uint64_t *cell64; + int length; + + cell64 = fdt_getprop(blob, node, prop_name, &length); + if (!cell64 || length < sizeof(*cell64)) + return default_val; + + return fdt64_to_cpu(*cell64); +} + int fdtdec_get_is_enabled(const void *blob, int node) { const char *cell; |