Did you try "setenv bootdelay 0" in uboot?
On Mon, Oct 12, 2009 at 7:07 AM, Fortini Matteo <matteo.fort...@mta.it> wrote: > Hi all, > we've been working on a PPC512x board booting with u-boot + linux 2.6.24.6, > and one major issue for our application is boot time. > > Right now, we went down to less than 6s boot time (i.e. time from power off > to launch of the user app), even with some drivers installed, i.e.: > > * CAN bus > * GPU on PCI bus > * USB host > * UBI > > with r/o squashfs root and r/w ubifs configuration filesystem mounted from a > NOR flash memory. > > This time could be enough for the high-level application (we're showing a > splash screen in about 2-3s so it's ok if the main app takes a little longer > to come up), but the whole system is connected to others via CAN and we > can't afford the "black out" period between u-boot and linux. > > Some other operating systems (e.g. QNX) have this "seamless booting" > function, in which drivers are started in stages, so that a (minimal) > functionality can be given in milliseconds, and more functionalities come up > as time goes by. > > Is there a way to support something similar with the u-boot -> linux > solution? > > Thank you, > Matteo > _______________________________________________ > Linuxppc-dev mailing list > linuxppc-...@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/linuxppc-dev > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
