[U-Boot] [PATCH] warp: Add Device Firmware Upgrade support

[Fabio Estevam]

Device Firmware Upgrade (DFU) is a very convenient mechanism to upgrade U-boot
on the eMMC. 

Add support for it.

Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
 include/configs/warp.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/configs/warp.h b/include/configs/warp.h
index bcdd112..babcda5 100644
--- a/include/configs/warp.h
+++ b/include/configs/warp.h
@@ -28,7 +28,7 @@
 #define CONFIG_REVISION_TAG
 
 /* Size of malloc() pool */
-#define CONFIG_SYS_MALLOC_LEN		(3 * SZ_1M)
+#define CONFIG_SYS_MALLOC_LEN		(35 * SZ_1M) /* Increase due to DFU */
 
 #define CONFIG_BOARD_EARLY_INIT_F
 #define CONFIG_BOARD_LATE_INIT
@@ -150,6 +150,12 @@
 #define CONFIG_G_DNL_PRODUCT_NUM	0xa4a5
 #define CONFIG_G_DNL_MANUFACTURER	"FSL"
 
+#define CONFIG_CMD_DFU
+#define CONFIG_DFU_FUNCTION
+#define CONFIG_DFU_MMC
+#define CONFIG_SYS_DFU_DATA_BUF_SIZE SZ_32M
+#define DFU_DEFAULT_POLL_TIMEOUT 300
+
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"script=boot.scr\0" \
 	"image=zImage\0" \
@@ -164,6 +170,7 @@
 	"mmcdev=0\0" \
 	"mmcpart=1\0" \
 	"mmcroot=/dev/mmcblk0p2 rootwait rw\0" \
+	"dfu_alt_info=boot raw 0x2 0x400 mmcpart 1\0" \
 	"mmcargs=setenv bootargs console=${console},${baudrate} " \
 		"root=${mmcroot}\0" \
 	"loadbootscript=" \
-- 
1.9.1