usb: gadget: f_sdp: Allow SPL to load and boot FIT via SDP
Add support for loading u-boot FIT images over the USB SDP protocol in
the SPL
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
[Various build fixes]
Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Tested-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Lukasz Majewski <lukma@denx.de>
diff --git a/common/spl/spl_sdp.c b/common/spl/spl_sdp.c
index 807256e..51b245b 100644
--- a/common/spl/spl_sdp.c
+++ b/common/spl/spl_sdp.c
@@ -25,10 +25,14 @@
return -ENODEV;
}
- /* This command typically does not return but jumps to an image */
- sdp_handle(controller_index);
- pr_err("SDP ended\n");
+ /*
+ * This command either loads a legacy image, jumps and never returns,
+ * or it loads a FIT image and returns it to be handled by the SPL
+ * code.
+ */
+ ret = spl_sdp_handle(controller_index, spl_image);
+ debug("SDP ended\n");
- return -EINVAL;
+ return ret;
}
SPL_LOAD_IMAGE_METHOD("USB SDP", 0, BOOT_DEVICE_BOARD, spl_sdp_load_image);