Hello, any news on this one?
Thanks, Tomeu On 30 April 2015 at 09:23, Sjoerd Simons <sjoerd.sim...@collabora.co.uk> wrote: > +Albert, +Marek, > > On Tue, 2015-04-28 at 14:21 +0200, Tomeu Vizoso wrote: >> This could happen if we are being chainloaded by Coreboot with LPAE >> enabled, as is the case on the Tegra-based Chromebooks. >> >> Signed-off-by: Tomeu Vizoso <tomeu.viz...@collabora.com> > > From the documentation of recent ARM cores it looks like 0 is the reset > value for that register, so explicitly ensuring it has that value seems > sane. I'm wary of giving a reviewed-by though as i don't know that part > of u-boot well enough to say it's the right spot. > > However, as we're now using successfully using a Nyan big board with > this u-boot patch in kernelci[0] i can happily say: > > Tested-By: Sjoerd Simons <sjoerd.sim...@collabora.co.uk> > > 0: http://kernelci.org/boot/tegra124-nyan-big/ > > >> --- >> arch/arm/lib/cache-cp15.c | 4 ++++ >> 1 file changed, 4 insertions(+) >> >> diff --git a/arch/arm/lib/cache-cp15.c b/arch/arm/lib/cache-cp15.c >> index 0291afa..78fb429 100644 >> --- a/arch/arm/lib/cache-cp15.c >> +++ b/arch/arm/lib/cache-cp15.c >> @@ -96,6 +96,10 @@ static inline void mmu_setup(void) >> dram_bank_mmu_setup(i); >> } >> >> + /* Make sure EAE is not enabled */ >> + asm volatile("mcr p15, 0, %0, c2, c0, 2" >> + : : "r" (0) : "memory"); >> + >> /* Copy the page table address to cp15 */ >> asm volatile("mcr p15, 0, %0, c2, c0, 0" >> : : "r" (gd->arch.tlb_addr) : "memory"); > > > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
