core: Add {ofnode, dev}_translate_address functions
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Mario Six <mario.six@gdsys.cc>
diff --git a/include/dm/read.h b/include/dm/read.h
index 8114037..2551e5f 100644
--- a/include/dm/read.h
+++ b/include/dm/read.h
@@ -410,6 +410,18 @@
int dev_read_resource_byname(struct udevice *dev, const char *name,
struct resource *res);
+/**
+ * dev_translate_address() - Tranlate a device-tree address
+ *
+ * Translate an address from the device-tree into a CPU physical address. This
+ * function walks up the tree and applies the various bus mappings along the
+ * way.
+ *
+ * @dev: device giving the context in which to translate the address
+ * @in_addr: pointer to the address to translate
+ * @return the translated address; OF_BAD_ADDR on error
+ */
+u64 dev_translate_address(struct udevice *dev, const fdt32_t *in_addr);
#else /* CONFIG_DM_DEV_READ_INLINE is enabled */
static inline int dev_read_u32_default(struct udevice *dev,
@@ -582,6 +594,11 @@
return ofnode_read_resource_byname(dev_ofnode(dev), name, res);
}
+static inline u64 dev_translate_address(struct udevice *dev, const fdt32_t *in_addr)
+{
+ return ofnode_translate_address(dev_ofnode(dev), in_addr);
+}
+
#endif /* CONFIG_DM_DEV_READ_INLINE */
/**