+ entry->used = fdtdec_get_int(blob, node, "used", entry->length);
+ prop = fdt_getprop(blob, node, "compress", NULL);
+ entry->compress_algo = prop && !strcmp(prop, "lzo") ?
+ FMAP_COMPRESS_LZO : FMAP_COMPRESS_NONE;
+ prop = fdt_getprop(blob, node, "hash", &entry->hash_size);
+ entry->hash_algo = prop ? FMAP_HASH_SHA256 : FMAP_HASH_NONE;
+ entry->hash = (uint8_t *)prop;
+
+ return 0;
+}
+
+static u64 fdtdec_get_number(const fdt32_t *ptr, unsigned int cells)
+{
+ u64 number = 0;
+
+ while (cells--)
+ number = (number << 32) | fdt32_to_cpu(*ptr++);
+
+ return number;
+}
+
+int fdt_get_resource(const void *fdt, int node, const char *property,
+ unsigned int index, struct fdt_resource *res)
+{
+ const fdt32_t *ptr, *end;
+ int na, ns, len, parent;
+ unsigned int i = 0;
+
+ parent = fdt_parent_offset(fdt, node);
+ if (parent < 0)
+ return parent;
+
+ na = fdt_address_cells(fdt, parent);
+ ns = fdt_size_cells(fdt, parent);
+
+ ptr = fdt_getprop(fdt, node, property, &len);
+ if (!ptr)
+ return len;
+
+ end = ptr + len / sizeof(*ptr);
+
+ while (ptr + na + ns <= end) {
+ if (i == index) {
+ res->start = res->end = fdtdec_get_number(ptr, na);
+ res->end += fdtdec_get_number(&ptr[na], ns) - 1;
+ return 0;
+ }
+
+ ptr += na + ns;
+ i++;
+ }
+
+ return -FDT_ERR_NOTFOUND;
+}
+
+int fdt_get_named_resource(const void *fdt, int node, const char *property,
+ const char *prop_names, const char *name,
+ struct fdt_resource *res)
+{
+ int index;
+
+ index = fdt_find_string(fdt, node, prop_names, name);
+ if (index < 0)
+ return index;
+
+ return fdt_get_resource(fdt, node, property, index, res);
+}
+
+int fdtdec_pci_get_bdf(const void *fdt, int node, int *bdf)
+{
+ const fdt32_t *prop;
+ int len;
+
+ prop = fdt_getprop(fdt, node, "reg", &len);
+ if (!prop)
+ return len;
+
+ *bdf = fdt32_to_cpu(*prop) & 0xffffff;
+
+ return 0;
+}
+
+int fdtdec_decode_memory_region(const void *blob, int config_node,
+ const char *mem_type, const char *suffix,
+ fdt_addr_t *basep, fdt_size_t *sizep)
+{
+ char prop_name[50];
+ const char *mem;
+ fdt_size_t size, offset_size;
+ fdt_addr_t base, offset;
+ int node;
+
+ if (config_node == -1) {
+ config_node = fdt_path_offset(blob, "/config");
+ if (config_node < 0) {
+ debug("%s: Cannot find /config node\n", __func__);
+ return -ENOENT;
+ }
+ }
+ if (!suffix)
+ suffix = "";
+
+ snprintf(prop_name, sizeof(prop_name), "%s-memory%s", mem_type,
+ suffix);
+ mem = fdt_getprop(blob, config_node, prop_name, NULL);
+ if (!mem) {
+ debug("%s: No memory type for '%s', using /memory\n", __func__,
+ prop_name);
+ mem = "/memory";
+ }
+
+ node = fdt_path_offset(blob, mem);
+ if (node < 0) {
+ debug("%s: Failed to find node '%s': %s\n", __func__, mem,
+ fdt_strerror(node));
+ return -ENOENT;
+ }
+
+ /*
+ * Not strictly correct - the memory may have multiple banks. We just
+ * use the first
+ */
+ if (fdtdec_decode_region(blob, node, "reg", &base, &size)) {
+ debug("%s: Failed to decode memory region %s\n", __func__,
+ mem);
+ return -EINVAL;
+ }
+
+ snprintf(prop_name, sizeof(prop_name), "%s-offset%s", mem_type,
+ suffix);
+ if (fdtdec_decode_region(blob, config_node, prop_name, &offset,
+ &offset_size)) {
+ debug("%s: Failed to decode memory region '%s'\n", __func__,
+ prop_name);
+ return -EINVAL;
+ }
+
+ *basep = base + offset;
+ *sizep = offset_size;