Hi, I am trying to load SPL and u-boot-dtb.img via USB using the imx_usb_loader tool.
Running the latest mainline U-Boot on a imx6q-sabresd I get: $ sudo ./imx_usb SPL On the console: U-Boot SPL 2021.01-rc2-00005-g832bfad7451e (Nov 11 2020 - 23:00:05 -0300) Trying to boot from USB SDP SDP: initialize... SDP: handle requests... Then I try to load u-boot-dtb.img and the following is seen on the host PC: $ sudo ./imx_usb u-boot-dtb.img config file </usr/etc/imx-loader.d//imx_usb.conf> vid=0x066f pid=0x3780 file_name=mx23_usb_work.conf vid=0x15a2 pid=0x004f file_name=mx28_usb_work.conf vid=0x15a2 pid=0x0052 file_name=mx50_usb_work.conf vid=0x15a2 pid=0x0054 file_name=mx6_usb_work.conf vid=0x15a2 pid=0x0061 file_name=mx6_usb_work.conf vid=0x15a2 pid=0x0063 file_name=mx6_usb_work.conf vid=0x15a2 pid=0x0071 file_name=mx6_usb_work.conf vid=0x15a2 pid=0x007d file_name=mx6_usb_work.conf vid=0x15a2 pid=0x0080 file_name=mx6_usb_work.conf vid=0x1fc9 pid=0x0128 file_name=mx6_usb_work.conf vid=0x15a2 pid=0x0076 file_name=mx7_usb_work.conf vid=0x1fc9 pid=0x0126 file_name=mx7ulp_usb_work.conf vid=0x15a2 pid=0x0041 file_name=mx51_usb_work.conf vid=0x15a2 pid=0x004e file_name=mx53_usb_work.conf vid=0x15a2 pid=0x006a file_name=vybrid_usb_work.conf vid=0x066f pid=0x37ff file_name=linux_gadget.conf vid=0x1b67 pid=0x4fff file_name=mx6_usb_sdp_spl.conf vid=0x0525 pid=0xb4a4 file_name=mx6_usb_sdp_spl.conf vid=0x1fc9 pid=0x012b file_name=mx8mq_usb_work.conf config file </usr/etc/imx-loader.d//mx6_usb_sdp_spl.conf> parse /usr/etc/imx-loader.d//mx6_usb_sdp_spl.conf Trying to open device vid=0x0525 pid=0xb4a4 Interface 0 claimed HAB security state: development mode (0x56787856) == work item filename u-boot-dtb.img load_size 0 bytes load_addr 0x00000000 dcd 1 clear_dcd 0 plug 1 jump_mode 3 jump_addr 0x00000000 == end work item header not found 8400:2e77d044, 4000 do_download failed, err=-22 HAB security state: development mode (0x56787856) And nothing else appears in the console. I tried to bisect, but the latest version I got this to run was v2019.01, which was not using the driver model and prevents bisection. Does anyone have any suggestions? Thanks, Fabio Estevam