Improve the bootm command for CONFIG_OF_LIBFDT
In bootm, create the "/chosen" node only if it doesn't already exist
(better matches the previous behavior).
Update for proper reserved memory map handling for initrd.
diff --git a/common/fdt_support.c b/common/fdt_support.c
index 14a4df5..91b729f 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -55,9 +55,33 @@
return err;
}
-#warning "Don't double-add the reserved map"
if (initrd_start && initrd_end) {
- err = fdt_add_reservemap_entry(fdt,
+ struct fdt_reserve_entry *re;
+ int used;
+ int total;
+ int j;
+
+ err = fdt_num_reservemap(fdt, &used, &total);
+ if (err < 0) {
+ printf("libfdt: %s\n", fdt_strerror(err));
+ return err;
+ }
+ if (used >= total) {
+ printf("fdt_chosen: no room in the reserved map (%d of %d)\n",
+ used, total);
+ return -1;
+ }
+ /*
+ * Look for an existing entry and update it. If we don't find
+ * the entry, we will j be the next available slot.
+ */
+ for (j = 0; j < used; j++) {
+ err = fdt_get_reservemap(fdt, j, &re);
+ if (re->address == initrd_start) {
+ break;
+ }
+ }
+ err = fdt_replace_reservemap_entry(fdt, j,
initrd_start, initrd_end - initrd_start + 1);
if (err < 0) {
printf("libfdt: %s\n", fdt_strerror(err));
@@ -202,13 +226,13 @@
continue;
err = fdt_setprop(fdt, nodeoffset, lval, rval, strlen(rval)+1);
if (err < 0) {
- printf("libfdt: %s\n", lval, fdt_strerror(err));
+ printf("libfdt: %s\n", fdt_strerror(err));
return err;
}
}
return 0;
}
-#endif /* CONFIG_OF_HAS_UBOOT_ENV */
+#endif /* ifdef CONFIG_OF_HAS_UBOOT_ENV */
/********************************************************************/
@@ -318,6 +342,6 @@
return 0;
}
-#endif /* CONFIG_OF_HAS_BD_T */
+#endif /* ifdef CONFIG_OF_HAS_BD_T */
#endif /* CONFIG_OF_LIBFDT */