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Message-ID: <t6ckvr7bcpoc3z4cam7bilp67nn6qyvrmnqch6tlkwug7n2neq@32f5mso75fvu> Date: Sat, 2 Dec 2023 20:20:23 -0800 From: Bjorn Andersson <andersson@...nel.org> To: Luca Weiss <luca@...tu.xyz> Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, Andy Gross <agross@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2 1/2] arm64: dts: qcom: msm8953: Set initial address for memory On Sat, Nov 25, 2023 at 01:19:27PM +0100, Luca Weiss wrote: > The dtbs_check really doesn't like having memory without reg set. > > The base address depends on the amount of RAM you have: > > <= 2.00 GiB RAM: 0x80000000 > = 3.00 GiB RAM: 0x40000000 > = 3.75 GiB RAM: 0x10000000 > (more does not fit into the 32-bit physical address space) > > So, let's pick one of the values, 0x10000000 which is used on devices > with 3.75 GiB RAM. Since the bootloader will update it to what's present > on the device it doesn't matter too much. > > Signed-off-by: Luca Weiss <luca@...tu.xyz> > --- > arch/arm64/boot/dts/qcom/msm8953.dtsi | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/boot/dts/qcom/msm8953.dtsi b/arch/arm64/boot/dts/qcom/msm8953.dtsi > index e7de7632669a..a3ba24ca599b 100644 > --- a/arch/arm64/boot/dts/qcom/msm8953.dtsi > +++ b/arch/arm64/boot/dts/qcom/msm8953.dtsi > @@ -174,10 +174,10 @@ scm: scm { > }; > }; > > - memory { Wouldn't it be sufficient to add @0 here, to please dtbs_check? Regards, Bjorn > + memory@...00000 { > device_type = "memory"; > /* We expect the bootloader to fill in the reg */ > - reg = <0 0 0 0>; > + reg = <0 0x10000000 0 0>; > }; > > pmu { > > -- > 2.43.0 >
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