dt: add helper for 64bit cell adds
Some times in the device tree, we find an array of 2 u32 cells that
really are a single u64 value. This patch adds a helper to make the
creation of these easy.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
diff --git a/device_tree.c b/device_tree.c
index 7541274..c8d68c2 100644
--- a/device_tree.c
+++ b/device_tree.c
@@ -154,6 +154,13 @@
return r;
}
+int qemu_devtree_setprop_u64(void *fdt, const char *node_path,
+ const char *property, uint64_t val)
+{
+ val = cpu_to_be64(val);
+ return qemu_devtree_setprop(fdt, node_path, property, &val, sizeof(val));
+}
+
int qemu_devtree_setprop_string(void *fdt, const char *node_path,
const char *property, const char *string)
{
diff --git a/device_tree.h b/device_tree.h
index 97af345..4898d95 100644
--- a/device_tree.h
+++ b/device_tree.h
@@ -21,6 +21,8 @@
const char *property, void *val_array, int size);
int qemu_devtree_setprop_cell(void *fdt, const char *node_path,
const char *property, uint32_t val);
+int qemu_devtree_setprop_u64(void *fdt, const char *node_path,
+ const char *property, uint64_t val);
int qemu_devtree_setprop_string(void *fdt, const char *node_path,
const char *property, const char *string);
int qemu_devtree_setprop_phandle(void *fdt, const char *node_path,
