1 files changed, 52 insertions, 24 deletions

diff --git a/include/spl.h b/include/spl.h
index 1eebea3f981..de808ccd413 100644
--- a/include/spl.h
+++ b/include/spl.h
@@ -282,55 +282,67 @@ static inline void *spl_image_fdt_addr(struct spl_image_info *info)
 #endif
 }
 
+struct spl_load_info;
+
+/**
+ * spl_load_reader() - Read from device
+ *
+ * @load: Information about the load state
+ * @offset: Offset to read from in bytes. This must be a multiple of
+ *          @load->bl_len.
+ * @count: Number of bytes to read. This must be a multiple of
+ *         @load->bl_len.
+ * @buf: Buffer to read into
+ * @return number of bytes read, 0 on error
+ */
+typedef ulong (*spl_load_reader)(struct spl_load_info *load, ulong sector,
+				 ulong count, void *buf);
+
 /**
  * Information required to load data from a device
  *
+ * @read: Function to call to read from the device
  * @priv: Private data for the device
  * @bl_len: Block length for reading in bytes
- * @read: Function to call to read from the device
  */
 struct spl_load_info {
+	spl_load_reader read;
 	void *priv;
-	/**
-	 * read() - Read from device
-	 *
-	 * @load: Information about the load state
-	 * @offset: Offset to read from in bytes. This must be a multiple of
-	 *          @load->bl_len.
-	 * @count: Number of bytes to read. This must be a multiple of
-	 *         @load->bl_len.
-	 * @buf: Buffer to read into
-	 * @return number of bytes read, 0 on error
-	 */
-	ulong (*read)(struct spl_load_info *load, ulong sector, ulong count,
-		      void *buf);
 #if IS_ENABLED(CONFIG_SPL_LOAD_BLOCK)
 	int bl_len;
+#endif
 };
 
 static inline int spl_get_bl_len(struct spl_load_info *info)
 {
+#if IS_ENABLED(CONFIG_SPL_LOAD_BLOCK)
 	return info->bl_len;
+#else
+	return 1;
+#endif
 }
 
 static inline void spl_set_bl_len(struct spl_load_info *info, int bl_len)
 {
+#if IS_ENABLED(CONFIG_SPL_LOAD_BLOCK)
 	info->bl_len = bl_len;
-}
 #else
-};
-
-static inline int spl_get_bl_len(struct spl_load_info *info)
-{
-	return 1;
+	if (bl_len != 1)
+		panic("CONFIG_SPL_LOAD_BLOCK not enabled");
+#endif
 }
 
-static inline void spl_set_bl_len(struct spl_load_info *info, int bl_len)
+/**
+ * spl_load_init() - Set up a new spl_load_info structure
+ */
+static inline void spl_load_init(struct spl_load_info *load,
+				 spl_load_reader h_read, void *priv,
+				 uint bl_len)
 {
-	if (bl_len != 1)
-		panic("CONFIG_SPL_LOAD_BLOCK not enabled");
+	load->read = h_read;
+	load->priv = priv;
+	spl_set_bl_len(load, bl_len);
 }
-#endif
 
 /*
  * We need to know the position of U-Boot in memory so we can jump to it. We
@@ -1073,4 +1085,20 @@ static inline bool spl_decompression_enabled(void)
 {
 	return IS_ENABLED(CONFIG_SPL_GZIP) || IS_ENABLED(CONFIG_SPL_LZMA);
 }
+
+/**
+ * spl_write_upl_handoff() - Write a Universal Payload hand-off structure
+ *
+ * @spl_image: Information about the image being booted
+ * Return: 0 if OK, -ve on error
+ */
+int spl_write_upl_handoff(struct spl_image_info *spl_image);
+
+/**
+ * spl_upl_init() - Get UPL ready for information to be added
+ *
+ * This must be called before upl_add_image(), etc.
+ */
+void spl_upl_init(void);
+
 #endif