> This commit enables imx28 based XEA board's u-boot.sb (SPL) to download > u-boot proper (u-boot.img) via Ymodem protocol. > This is extremely useful in the recovery scenario where u-boot.sb is > downloaded via uuu utility to SDRAM [*], and then one can upload u-boot > proper via serial console to fully debrick the device. > Note - debricking procedure of imx28 devices: > - NXP's original USB based tools (like mxsldr or uuu) expect single > u-boot.sb which is a relic of the old U-Boot (~2013) without SPL and > U-Boot proper distinction. > [*] On Host: > ------------ > cat << EOF > imx28_xea.lst > uuu_version 1.3.0 > SDPS: boot -f /srv/tftp/xea/u-boot.sb > SDPU: done > EOF > Please start picocom: > sudo picocom -b 115200 -s "sz -vv" /dev/ttyUSB1 > sudo ./uuu/uuu -V imx28_xea.lst > On the U-boot console one shall see: > Trying to boot from UART > CCC > Then please press CTRL+A, S > and type u-boot.img > Signed-off-by: Lukasz Majewski <lu...@denx.de> > Acked-by: Peng Fan <peng....@nxp.com> Applied to u-boot-imx, master, thanks !
Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sba...@denx.de =====================================================================