On 06/26/2014 10:34 PM, Andreas Färber wrote: > Hi Kevin and Tushar, > > Am 26.06.2014 16:59, schrieb Kevin Hilman: >>> IMO, the bug is in u-boot and we should fix that. >> >> I agree that the u-boot bug needs to be fixed, and FWIW, I updated my >> u-boot and haven't seen the boot failure yet after several boots with >> next-20140625. > > Could you clarify your test setup: Are you using the original InSignal > SPL [1] with just your own u-boot.bin? Or do you have access to some > newer Samsung-signed SPL? > The u-boot changes for Arndale-Octa was done as part of an activity within Linaro. Insignal had signed the SPL binary for us. You can extract the signed SPL binary from following hwpack[6] (tar xfz and then within u_boot folder[7]). The source code for this u-boot can be found here.[8] Just in case, commands to flash u-boot binaries are listed here.[9] >> That being said, since it's not always feasible/practical to update >> u-boot, and when it comes down to it, this is still a kernel >> regression, we should also fix the kernel to sanity check the values >> coming from u-boot, like it was doing before. > > Sounds good. > > Apart from this memory issue here, I noticed that CPUs don't appear to > be in HYP mode for virtualization, which had required a signed SPL > update for the ODROID-XU [2]. And to me it looks as if there's no > Arndale Octa support in upstream U-Boot [3], no real maintenance on the > InSignal fork [4] and a policy of not cooperating with others [5]. > Adding Arndale-Octa support to upstream U-Boot was on a TODO list, but that didn't materialize because of some other reasons. > Thanks, > Andreas > > [1] http://forum.insignal.co.kr/viewtopic.php?f=6&t=3199 > [2] http://forum.odroid.com/viewtopic.php?f=64&t=2778&start=40#p32581 > [3] > http://git.denx.de/?p=u-boot.git;a=blob;f=boards.cfg;h=947f2bc5ba2794c94b3b2cea04664f005e025f9f;hb=HEAD#l286 > [4] http://git.insignal.co.kr/insignal/arndale_octa-jb_mr1.1/u-boot/ > [5] http://forum.insignal.co.kr/viewtopic.php?f=40&t=3613 > [6] http://snapshots.linaro.org/kernel-hwpack/linux-linaro-tracking-ll-arndale-octa/442/hwpack_linaro-arndale-octa_20140626-442_armhf_supported.tar.gz [7] <path_to_extracted_folder>/u_boot/usr/lib/u-boot/arndale_octa [8] git.linaro.org/landing-teams/working/samsung/u-boot.git/shortlog/refs/heads/tracking-arndale_octa [9] http://pastebin.com/pfGF2giq Thanks, -- Tushar Behera -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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