warp: Add Device Firmware Upgrade support

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@freescale.com>
Acked-by: Otavio Salvador <otavio@ossystems.com.br>

diff --git a/include/configs/warp.h b/include/configs/warp.h
index aa3115b51d4cab7b7e931826f6f699cade09b8c6..e851da00133c12d4065dc2b96b85887e1f870d7f 100644 (file)
--- 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
@@ -147,6 +147,12 @@
 #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" \
@@ -161,6 +167,7 @@
        "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=" \