dm: core: add functions to get memory-mapped I/O addresses

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

1 files changed, 32 insertions, 0 deletions

diff --git a/include/dm/read.h b/include/dm/read.h
index 4a725bc923..a27b8554fb 100644
--- a/include/dm/read.h
+++ b/include/dm/read.h
@@ -113,6 +113,18 @@ int dev_read_size(struct udevice *dev, const char *propname);
 fdt_addr_t dev_read_addr_index(struct udevice *dev, int index);
 
 /**
+ * dev_remap_addr_index() - Get the indexed reg property of a device
+ *                               as a memory-mapped I/O pointer
+ *
+ * @dev: Device to read from
+ * @index: the 'reg' property can hold a list of <addr, size> pairs
+ *	   and @index is used to select which one is required
+ *
+ * @return pointer or NULL if not found
+ */
+void *dev_remap_addr_index(struct udevice *dev, int index);
+
+/**
  * dev_read_addr() - Get the reg property of a device
  *
  * @dev: Device to read from
@@ -132,6 +144,16 @@ fdt_addr_t dev_read_addr(struct udevice *dev);
 void *dev_read_addr_ptr(struct udevice *dev);
 
 /**
+ * dev_remap_addr() - Get the reg property of a device as a
+ *                         memory-mapped I/O pointer
+ *
+ * @dev: Device to read from
+ *
+ * @return pointer or NULL if not found
+ */
+void *dev_remap_addr(struct udevice *dev);
+
+/**
  * dev_read_addr_size() - get address and size from a device property
  *
  * This does no address translation. It simply reads an property that contains
@@ -482,6 +504,16 @@ static inline void *dev_read_addr_ptr(struct udevice *dev)
 	return devfdt_get_addr_ptr(dev);
 }
 
+static inline void *dev_remap_addr(struct udevice *dev)
+{
+	return devfdt_remap_addr(dev);
+}
+
+static inline void *dev_remap_addr_index(struct udevice *dev, int index)
+{
+	return devfdt_remap_addr_index(dev, index);
+}
+
 static inline fdt_addr_t dev_read_addr_size(struct udevice *dev,
 					    const char *propname,
 					    fdt_size_t *sizep)