Hi, i don't think this is possible, because uboot is loaded in both cases to memory before it is executed. maybe you can set some kind of memory-flag outside the executions range before loading from storage/network.
regards Frank > Gesendet: Freitag, 06. November 2020 um 22:52 Uhr > Von: "Spaker, Erich" <e.spa...@qvii.com> > An: "u-boot@lists.denx.de" <u-boot@lists.denx.de> > Betreff: Detecting network loaded uboot > > I would like to configure uboot to default to network booting, if uboot.img > was loaded from the network itself (by SPL). Otherwise booting from the drive. > I presume some information is passed from SPL to uboot. Is the source of > uboot.img (network, mmc) known to uboot after it starts? > > If not, I'd like to patch spl to pass this info, but I'm not sure the > appropriate mechanism. > Bloblist seems appropriate, but there seemed to be some alternatives > discussed here > http://u-boot.10912.n7.nabble.com/passing-info-from-SPL-to-U-Boot-td361636.html. > > I am working with an am335x/beaglebone black. > Bloblist is not configured in the standard config, I'm not sure if this > because of incompatibility or what the constraints are on choosing an address. >
