usb: gadget: at91_udc: port linux driver at91_udc

[karo-tx-uboot.git] / include / dfu.h

diff --git a/include/dfu.h b/include/dfu.h
index 2153d0096d385cda409315eb08d58159de292504..6118dc27b95631e141408c7e93c6fcf294dc719a 100644 (file)
--- a/include/dfu.h
+++ b/include/dfu.h
@@ -162,6 +162,21 @@ bool dfu_usb_get_reset(void);
 int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
 int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
 int dfu_flush(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
+
+/**
+ * dfu_write_from_mem_addr - write data from memory to DFU managed medium
+ *
+ * This function adds support for writing data starting from fixed memory
+ * address (like $loadaddr) to dfu managed medium (e.g. NAND, MMC, file system)
+ *
+ * @param dfu - dfu entity to which we want to store data
+ * @param buf - fixed memory addres from where data starts
+ * @param size - number of bytes to write
+ *
+ * @return - 0 on success, other value on failure
+ */
+int dfu_write_from_mem_addr(struct dfu_entity *dfu, void *buf, int size);
+
 /* Device specific */
 #ifdef CONFIG_DFU_MMC
 extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr, char *s);