#include <common.h>
#include <env.h>
+#include <log.h>
#include <mapmem.h>
+#include <net.h>
#include <stdio_dev.h>
#include <linux/ctype.h>
#include <linux/types.h>
}
return 0;
}
+
+int fdt_set_usable_memory(void *blob, u64 start[], u64 size[], int areas)
+{
+ int err, nodeoffset;
+ int len;
+ u8 tmp[8 * 16]; /* Up to 64-bit address + 64-bit size */
+
+ if (areas > 8) {
+ printf("%s: num areas %d exceeds hardcoded limit %d\n",
+ __func__, areas, 8);
+ return -1;
+ }
+
+ err = fdt_check_header(blob);
+ if (err < 0) {
+ printf("%s: %s\n", __func__, fdt_strerror(err));
+ return err;
+ }
+
+ /* find or create "/memory" node. */
+ nodeoffset = fdt_find_or_add_subnode(blob, 0, "memory");
+ if (nodeoffset < 0)
+ return nodeoffset;
+
+ len = fdt_pack_reg(blob, tmp, start, size, areas);
+
+ err = fdt_setprop(blob, nodeoffset, "linux,usable-memory", tmp, len);
+ if (err < 0) {
+ printf("WARNING: could not set %s %s.\n",
+ "reg", fdt_strerror(err));
+ return err;
+ }
+
+ return 0;
+}
#endif
int fdt_fixup_memory(void *blob, u64 start, u64 size)
return 0;
}
-int fdt_node_set_part_info(void *blob, int parent_offset,
- struct mtd_device *dev)
+static int fdt_node_set_part_info(void *blob, int parent_offset,
+ struct mtd_device *dev)
{
struct list_head *pentry;
struct part_info *part;
struct mtd_device *dev;
int i, idx;
int noff;
-
- if (mtdparts_init() != 0)
- return;
+ bool inited = false;
for (i = 0; i < node_info_size; i++) {
idx = 0;
- noff = fdt_node_offset_by_compatible(blob, -1,
- node_info[i].compat);
- while (noff != -FDT_ERR_NOTFOUND) {
+ noff = -1;
+
+ while ((noff = fdt_node_offset_by_compatible(blob, noff,
+ node_info[i].compat)) >= 0) {
+ const char *prop;
+
+ prop = fdt_getprop(blob, noff, "status", NULL);
+ if (prop && !strcmp(prop, "disabled"))
+ continue;
+
debug("%s: %s, mtd dev type %d\n",
fdt_get_name(blob, noff, 0),
node_info[i].compat, node_info[i].type);
+
+ if (!inited) {
+ if (mtdparts_init() != 0)
+ return;
+ inited = true;
+ }
+
dev = device_find(node_info[i].type, idx++);
if (dev) {
if (fdt_node_set_part_info(blob, noff, dev))
return; /* return on error */
}
-
- /* Jump to next flash node */
- noff = fdt_node_offset_by_compatible(blob, noff,
- node_info[i].compat);
}
}
}