photon: add DOWNLOAD function to upload firmware through DFU

Kconfig

@@ -313,6 +313,25 @@ config UIMAGE_ENTRY_POINT
 	hex "uImage entry point"
 	default 0x0
 
+endif
+
+menuconfig DFU_BINARY
+	bool "DFU binary format"
+	select RAW_BINARY
+	---help---
+	Create the dfu binary used with dfu-utils.
+
+if DFU_BINARY
+
+config DFU_BASE
+	hex "Address DFU image is loaded to"
+
+config DFU_VID
+	hex "VID to use for DFU image"
+
+config DFU_PID
+	hex "PID to use for DFU image"
+
 endif
 endmenu # Binary Output Formats
 

config_wlan

@@ -28,6 +28,10 @@ CONFIG_INTELHEX_BINARY=y
 # CONFIG_MOTOROLA_SREC is not set
 CONFIG_RAW_BINARY=y
 # CONFIG_UBOOT_UIMAGE is not set
+CONFIG_DFU_BINARY=y
+CONFIG_DFU_BASE=0x8020000
+CONFIG_DFU_VID=0x2b04
+CONFIG_DFU_PID=0xd006
 
 #
 # Customize Header Files

configs/photon/nsh/Make.defs

@@ -68,6 +68,9 @@ NM = $(ARCROSSDEV)nm
 OBJCOPY = $(CROSSDEV)objcopy
 OBJDUMP = $(CROSSDEV)objdump
 
+DFUSUFFIX = dfu-suffix
+DFUUTIL = dfu-util
+
 ARCHCCVERSION = ${shell $(CC) -v 2>&1 | sed -n '/^gcc version/p' | sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q'}
 ARCHCCMAJOR = ${shell echo $(ARCHCCVERSION) | cut -d'.' -f1}
 
@@ -114,3 +117,20 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
+
+ifeq ($(CONFIG_DFU_BINARY),y)
+
+define DOWNLOAD
+  $(Q) echo "DFUSUFFIX: $(1).dfu"
+  $(Q) $(OBJCOPY) $(OBJCOPYARGS) -O binary $(1) $(1).dfu
+  $(Q) $(DFUSUFFIX) -v $(subst 0x,,$(CONFIG_DFU_VID)) -p $(subst 0x,,$(CONFIG_DFU_PID)) -a $(1).dfu
+  $(Q) $(DFUUTIL) -d $(CONFIG_DFU_VID):$(CONFIG_DFU_PID) -a 0 -s $(CONFIG_DFU_BASE) -D $(1).dfu
+endef
+
+else
+
+define DOWNLOAD
+  $(Q) $(ECHO) "Photon firmware upload through JTAG is not supported"
+endef
+
+endif