From 6f12ebf6ea7bcae1b6d9ff090b5c1e7452be90e9 Mon Sep 17 00:00:00 2001
From: Stephen Warren
Date: Wed, 11 Jun 2014 16:03:36 -0600
Subject: dfu: add SF backend

This allows SPI Flash to be programmed using DFU.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
---
 include/dfu.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'include/dfu.h')

diff --git a/include/dfu.h b/include/dfu.h
index 43814b38ec6..7e0a99908ca 100644
--- a/include/dfu.h
+++ b/include/dfu.h
@@ -14,6 +14,7 @@
 #include <common.h>
 #include <linux/list.h>
 #include <mmc.h>
+#include <spi_flash.h>
 #include <linux/usb/composite.h>
 
 enum dfu_device_type {
@@ -21,6 +22,7 @@ enum dfu_device_type {
 	DFU_DEV_ONENAND,
 	DFU_DEV_NAND,
 	DFU_DEV_RAM,
+	DFU_DEV_SF,
 };
 
 enum dfu_layout {
@@ -70,6 +72,14 @@ struct ram_internal_data {
 	unsigned int	size;
 };
 
+struct sf_internal_data {
+	struct spi_flash *dev;
+
+	/* RAW programming */
+	u64 start;
+	u64 size;
+};
+
 #define DFU_NAME_SIZE			32
 #define DFU_CMD_BUF_SIZE		128
 #ifndef CONFIG_SYS_DFU_DATA_BUF_SIZE
@@ -97,6 +107,7 @@ struct dfu_entity {
 		struct mmc_internal_data mmc;
 		struct nand_internal_data nand;
 		struct ram_internal_data ram;
+		struct sf_internal_data sf;
 	} data;
 
 	long (*get_medium_size)(struct dfu_entity *dfu);
@@ -182,5 +193,16 @@ static inline int dfu_fill_entity_ram(struct dfu_entity *dfu, char *devstr,
 }
 #endif
 
+#ifdef CONFIG_DFU_SF
+extern int dfu_fill_entity_sf(struct dfu_entity *dfu, char *devstr, char *s);
+#else
+static inline int dfu_fill_entity_sf(struct dfu_entity *dfu, char *devstr,
+				     char *s)
+{
+	puts("SF support not available!\n");
+	return -1;
+}
+#endif
+
 int dfu_add(struct usb_configuration *c);
 #endif /* __DFU_ENTITY_H_ */
-- 
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