ARM: dra7xx_evm: Add DFU support for qspi flash

This adds support to update firmware on qspi flash using DFU.

On device:
=> setenv dfu_alt_info ${dfu_alt_info_qspi}
=> dfu 0 sf 0:0

On host:
$ sudo dfu-util -l
$ sudo dfu-util -D MLO -a MLO
$ sudo dfu-util -D u-boot.img -a u-boot.img

Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

include/configs/dra7xx_evm.h

@@ -82,11 +82,24 @@
 	"fdt ram 0x80f80000 0x80000;" \
 	"ramdisk ram 0x81000000 0x4000000\0"
 
+#define DFU_ALT_INFO_QSPI \
+	"dfu_alt_info_qspi=" \
+	"MLO raw 0x0 0x010000;" \
+	"MLO.backup1 raw 0x010000 0x010000;" \
+	"MLO.backup2 raw 0x020000 0x010000;" \
+	"MLO.backup3 raw 0x030000 0x010000;" \
+	"u-boot.img raw 0x040000 0x0100000;" \
+	"u-boot-spl-os raw 0x140000 0x080000;" \
+	"u-boot-env raw 0x1C0000 0x010000;" \
+	"u-boot-env.backup raw 0x1D0000 0x010000;" \
+	"kernel raw 0x1E0000 0x800000\0"
+
 #define DFUARGS \
 	"dfu_bufsiz=0x10000\0" \
 	DFU_ALT_INFO_MMC \
 	DFU_ALT_INFO_EMMC \
-	DFU_ALT_INFO_RAM
+	DFU_ALT_INFO_RAM \
+	DFU_ALT_INFO_QSPI
 
 /* Fastboot */
 #define CONFIG_USB_FUNCTION_FASTBOOT
@@ -207,6 +220,7 @@
 
 #define CONFIG_DFU_MMC
 #define CONFIG_DFU_RAM
+#define CONFIG_DFU_SF
 
 /* SATA */
 #define CONFIG_BOARD_LATE_INIT