commit d0d9d21ececc8c850c9e10b731be4817050cbcaa
author Stefan Agner <stefan.agner@toradex.com> Wed Aug 16 11:00:54 2017 -0700
committer Stefano Babic <sbabic@denx.de> Wed Aug 23 10:41:58 2017 +0200
tree 70ac6a2501b2522fcbde3491d51fae4bd0e595ba
parent d9d661c4590b0c20885f730b06c70dba4c2da9c5

spl: add serial download protocol (SDP) support

Add USB serial download protocol support to SPL. If the SoC started
in recovery mode the SPL will immediately switch to SDP and wait for
further downloads/commands from the host side.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Reviewed-by: Łukasz Majewski <lukma@denx.de>

drivers/usb/gadget/Makefile

diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index 6a007d1..7258099 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -11,6 +11,7 @@
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_SPL_USB_GADGET_SUPPORT) += g_dnl.o
 obj-$(CONFIG_SPL_DFU_SUPPORT) += f_dfu.o
+obj-$(CONFIG_SPL_USB_SDP_SUPPORT) += f_sdp.o
 endif
 
 # new USB gadget layer dependencies