aboutsummaryrefslogtreecommitdiff
path: root/include/dm/fdtaddr.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/dm/fdtaddr.h')
-rw-r--r--include/dm/fdtaddr.h47
1 files changed, 39 insertions, 8 deletions
diff --git a/include/dm/fdtaddr.h b/include/dm/fdtaddr.h
index 6d2fa8f104..bf8132deb8 100644
--- a/include/dm/fdtaddr.h
+++ b/include/dm/fdtaddr.h
@@ -19,7 +19,7 @@ struct udevice;
*
* @dev: Pointer to a device
*
- * Return: addr
+ * Return: Address, or FDT_ADDR_T_NONE if there is no such property
*/
fdt_addr_t devfdt_get_addr(const struct udevice *dev);
@@ -59,7 +59,7 @@ void *devfdt_remap_addr_index(const struct udevice *dev, int index);
* devfdt_remap_addr_name() - Get the reg property of a device, indexed by
* name, as a memory-mapped I/O pointer
* @name: the 'reg' property can hold a list of <addr, size> pairs, with the
- * 'reg-names' property providing named-based identification. @index
+ * 'reg-names' property providing named-based identification. @name
* indicates the value to search for in 'reg-names'.
*
* @dev: Pointer to a device
@@ -87,7 +87,7 @@ void *devfdt_map_physmem(const struct udevice *dev, unsigned long size);
* @index: the 'reg' property can hold a list of <addr, size> pairs
* and @index is used to select which one is required
*
- * Return: addr
+ * Return: Address, or FDT_ADDR_T_NONE if there is no such property
*/
fdt_addr_t devfdt_get_addr_index(const struct udevice *dev, int index);
@@ -114,7 +114,7 @@ void *devfdt_get_addr_index_ptr(const struct udevice *dev, int index);
* @size: Pointer to size variable - this function returns the size
* specified in the 'reg' property here
*
- * Return: addr
+ * Return: Address, or FDT_ADDR_T_NONE if there is no such property
*/
fdt_addr_t devfdt_get_addr_size_index(const struct udevice *dev, int index,
fdt_size_t *size);
@@ -139,14 +139,27 @@ void *devfdt_get_addr_size_index_ptr(const struct udevice *dev, int index,
*
* @dev: Pointer to a device
* @name: the 'reg' property can hold a list of <addr, size> pairs, with the
- * 'reg-names' property providing named-based identification. @index
+ * 'reg-names' property providing named-based identification. @name
* indicates the value to search for in 'reg-names'.
*
- * Return: addr
+ * Return: Address, or FDT_ADDR_T_NONE if there is no such property
*/
fdt_addr_t devfdt_get_addr_name(const struct udevice *dev, const char *name);
/**
+ * devfdt_get_addr_name_ptr() - Get the reg property of a device as a pointer,
+ * indexed by name
+ *
+ * @dev: Pointer to a device
+ * @name: the 'reg' property can hold a list of <addr, size> pairs, with the
+ * 'reg-names' property providing named-based identification. @name
+ * indicates the value to search for in 'reg-names'.
+ *
+ * Return: Pointer to addr, or NULL if there is no such property
+ */
+void *devfdt_get_addr_name_ptr(const struct udevice *dev, const char *name);
+
+/**
* devfdt_get_addr_size_name() - Get the reg property and its size for a device,
* indexed by name
*
@@ -154,17 +167,35 @@ fdt_addr_t devfdt_get_addr_name(const struct udevice *dev, const char *name);
*
* @dev: Pointer to a device
* @name: the 'reg' property can hold a list of <addr, size> pairs, with the
- * 'reg-names' property providing named-based identification. @index
+ * 'reg-names' property providing named-based identification. @name
* indicates the value to search for in 'reg-names'.
* @size: Pointer to size variable - this function returns the size
* specified in the 'reg' property here
*
- * Return: addr
+ * Return: Address, or FDT_ADDR_T_NONE if there is no such property
*/
fdt_addr_t devfdt_get_addr_size_name(const struct udevice *dev,
const char *name, fdt_size_t *size);
/**
+ * devfdt_get_addr_size_name_ptr() - Get the reg property for a device as a
+ * pointer, indexed by name
+ *
+ * Returns the address and size specified in the 'reg' property of a device.
+ *
+ * @dev: Pointer to a device
+ * @name: the 'reg' property can hold a list of <addr, size> pairs, with the
+ * 'reg-names' property providing named-based identification. @name
+ * indicates the value to search for in 'reg-names'.
+ * @size: Pointer to size variable - this function returns the size
+ * specified in the 'reg' property here
+ *
+ * Return: Pointer to addr, or NULL if there is no such property
+ */
+void *devfdt_get_addr_size_name_ptr(const struct udevice *dev,
+ const char *name, fdt_size_t *size);
+
+/**
* devfdt_get_addr_pci() - Read an address and handle PCI address translation
*
* @dev: Device to read from