On Fri, Jan 22, 2021 at 9:23 PM Amit Tomar <atomar25opensou...@gmail.com> wrote: > > > > > Can I load the modified u-boot binary from the currently running u-boot > > command line? > > > > Yes, U-boot supports chain loading. > > On host machine you can use ckermit[1] program to load U-boot image using > serial or you can > use tftp to load modified U-boot image at SYS_TEXT_BASE address. > Once the image is loaded , you can bootm "SYS_TEXT_BASE". >
I think this only works if SYS_TEXT_BASE is a RAM address, which is mostly the case for boards that don't run U-Boot from NOR flash after POR. Regards, Bin