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Message-ID: <20171026135005.GB16787@arm.com> Date: Thu, 26 Oct 2017 14:50:05 +0100 From: Will Deacon <will.deacon@....com> To: Neil Armstrong <narmstrong@...libre.com> Cc: khilman@...libre.com, carlo@...one.org, linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Subject: Re: [PATCH] ARM64: dts: meson-gxl: Add alternate ARM Trusted Firmware reserved memory zone On Wed, Oct 11, 2017 at 05:23:12PM +0200, Neil Armstrong wrote: > This year, Amlogic updated the ARM Trusted Firmware reserved memory mapping > for Meson GXL SoCs and products sold since May 2017 uses this alternate > reserved memory mapping. > But products had been sold using the previous mapping. > > This issue has been explained in [1] and a dynamic solution is yet to be > found to avoid loosing another 3Mbytes of reservable memory. > > In the meantime, this patch adds this alternate memory zone only for > the GXL and GXM SoCs since GXBB based new products stopped earlier. > > [1] http://lists.infradead.org/pipermail/linux-amlogic/2017-October/004860.html > > Fixes: bba8e3f42736 ("ARM64: dts: meson-gx: Add firmware reserved memory zones") > Reported-by: Jerome Brunet <jbrunet@...libre.com> > Signed-off-by: Neil Armstrong <narmstrong@...libre.com> > --- > arch/arm64/boot/dts/amlogic/meson-gxl.dtsi | 8 ++++++++ > 1 file changed, 8 insertions(+) Thanks. Without this patch, memtest dies early on at physical address 0x05100000 due to an SError. With the patch, things work well, so: Acked-by: Will Deacon <will.deacon@....com> Tested-by: Will Deacon <will.deacon@....com> Please also CC stable, because random SErrors under load aren't much fun ;) Cheers, Will
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