Dear Aneesh V, > Hi Marek, > > On 07/06/2012 04:32 PM, Tetsuyuki Kobayashi wrote: > > Hello, > > > > On 2012/07/07, at 8:02, Marek Vasut wrote: > >> Dear Aneesh V, > >> > >>> Enable -march=armv7-a for armv7 platforms if the tool-chain > >>> supports it. This in turn results in Thumb-2 code generated > >>> for these platforms if CONFIG_SYS_THUMB_BUILD is enabled. > >>> > >>> Signed-off-by: Aneesh V<[email protected]> > >>> --- > >> > >> For some reason, this patch breaks USB EHCI on mx51 efika boards. The > >> board just freezes instead of detecting USB devices. Reverting this > >> patch fixes the issue. > >> > >> Note I use gcc 4.7.1 (!), might be compiler issue? > >> > >> Tom, can you try on one of your beagle-dogs please? :) > > > > Just for your information, > > I doubt unaligned access causes this problem. > > > > My investigation is here, > > http://lists.denx.de/pipermail/u-boot/2012-June/127020.html > > My patch > > [PATCH] arm: armv7: add compile option -mno-unaligned-access if available > > http://lists.denx.de/pipermail/u-boot/2012-July/127260.html > > This makes sense. You might want to try this patch. Also, to be sure > that it's nothing to do with Thumb you can make sure you are not > enabling CONFIG_SYS_THUMB_BUILD.
Ok, I think the patch should be applied then ? but what if the option isn't available? > best regards, > Aneesh Best regards, Marek Vasut _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
