diff options
| -rw-r--r-- | include/fdtdec.h | 10 | ||||
| -rw-r--r-- | lib/fdtdec.c | 19 |
2 files changed, 17 insertions, 12 deletions
diff --git a/include/fdtdec.h b/include/fdtdec.h index 4ae77be..099930e 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -595,12 +595,12 @@ const u8 *fdtdec_locate_byte_array(const void *blob, int node, * @param blob FDT blob * @param node node to examine * @param prop_name name of property to find - * @param ptrp returns pointer to region, or NULL if no address - * @param size returns size of region - * @return 0 if ok, -1 on error (propery not found) + * @param basep Returns base address of region + * @param size Returns size of region + * @return 0 if ok, -1 on error (property not found) */ -int fdtdec_decode_region(const void *blob, int node, - const char *prop_name, void **ptrp, size_t *size); +int fdtdec_decode_region(const void *blob, int node, const char *prop_name, + fdt_addr_t *basep, fdt_size_t *sizep); /* A flash map entry, containing an offset and length */ struct fmap_entry { diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 9714620..749f66e 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -669,20 +669,25 @@ char *fdtdec_get_config_string(const void *blob, const char *prop_name) return (char *)nodep; } -int fdtdec_decode_region(const void *blob, int node, - const char *prop_name, void **ptrp, size_t *size) +int fdtdec_decode_region(const void *blob, int node, const char *prop_name, + fdt_addr_t *basep, fdt_size_t *sizep) { const fdt_addr_t *cell; int len; - debug("%s: %s\n", __func__, prop_name); + debug("%s: %s: %s\n", __func__, fdt_get_name(blob, node, NULL), + prop_name); cell = fdt_getprop(blob, node, prop_name, &len); - if (!cell || (len != sizeof(fdt_addr_t) * 2)) + if (!cell || (len < sizeof(fdt_addr_t) * 2)) { + debug("cell=%p, len=%d\n", cell, len); return -1; + } + + *basep = fdt_addr_to_cpu(*cell); + *sizep = fdt_size_to_cpu(cell[1]); + debug("%s: base=%08lx, size=%lx\n", __func__, (ulong)*basep, + (ulong)*sizep); - *ptrp = map_sysmem(fdt_addr_to_cpu(*cell), *size); - *size = fdt_size_to_cpu(cell[1]); - debug("%s: size=%zx\n", __func__, *size); return 0; } |