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| author | Simon Glass <sjg@chromium.org> | 2014-02-27 13:26:01 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2014-03-17 20:05:46 -0600 |
| commit | 006e73b9cafde9287912c4699091f3b1f07d3f97 (patch) | |
| tree | 02b5a8fbde25e8ae45112b7a82f7eb005c530232 /include/fdtdec.h | |
| parent | cecb19c03f5a7abed2e8ff691bc849bdc3c4ed2c (diff) | |
| download | u-boot-imx-006e73b9cafde9287912c4699091f3b1f07d3f97.zip u-boot-imx-006e73b9cafde9287912c4699091f3b1f07d3f97.tar.gz u-boot-imx-006e73b9cafde9287912c4699091f3b1f07d3f97.tar.bz2 | |
cros_ec: Add a function for reading a flash map entry
A flash map describes the layout of flash memory in terms of offsets and
sizes for each region. Add a function to read a flash map entry from the
device tree.
Reviewed-by: Che-Liang Chiou <clchiou@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/fdtdec.h')
| -rw-r--r-- | include/fdtdec.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/fdtdec.h b/include/fdtdec.h index 19bab79..aa695df 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -530,4 +530,22 @@ const u8 *fdtdec_locate_byte_array(const void *blob, int node, */ int fdtdec_decode_region(const void *blob, int node, const char *prop_name, void **ptrp, size_t *size); + +/* A flash map entry, containing an offset and length */ +struct fmap_entry { + uint32_t offset; + uint32_t length; +}; + +/** + * Read a flash entry from the fdt + * + * @param blob FDT blob + * @param node Offset of node to read + * @param name Name of node being read + * @param entry Place to put offset and size of this node + * @return 0 if ok, -ve on error + */ +int fdtdec_read_fmap_entry(const void *blob, int node, const char *name, + struct fmap_entry *entry); #endif |