Re: [PATCH v2 02/18] ARM: dts: qcom: sdx55: Add reserved memory nodes

[Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>]

On Tue, Jan 05, 2021 at 12:05:49PM -0600, Bjorn Andersson wrote:
> On Tue 05 Jan 06:26 CST 2021, Manivannan Sadhasivam wrote:
> 
> > From: Vinod Koul <vkoul@kernel.org>
> > 
> > This adds reserved memory nodes to the SDX55 dtsi as defined by v8 of
> > the memory map
> > 
> > Signed-off-by: Vinod Koul <vkoul@kernel.org>
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> > ---
> >  arch/arm/boot/dts/qcom-sdx55.dtsi | 67 +++++++++++++++++++++++++++++++
> >  1 file changed, 67 insertions(+)
> > 
> > diff --git a/arch/arm/boot/dts/qcom-sdx55.dtsi b/arch/arm/boot/dts/qcom-sdx55.dtsi
> > index 08b4a40338fa..eeb6bf392f93 100644
> > --- a/arch/arm/boot/dts/qcom-sdx55.dtsi
> > +++ b/arch/arm/boot/dts/qcom-sdx55.dtsi
> > @@ -60,6 +60,73 @@ psci {
> >  		method = "smc";
> >  	};
> >  
> > +	reserved-memory {
> > +		#address-cells = <1>;
> > +		#size-cells = <1>;
> > +		ranges;
> > +
> > +		mpss_debug_mem: memory@8ef00000 {
> > +			no-map;
> > +			reg = <0x8ef00000 0x800000>;
> > +		};
> > +
> > +		hyp_mem: memory@8fc00000 {
> > +			no-map;
> > +			reg = <0x8fc00000 0x80000>;
> > +		};
> > +
> > +		ac_db_mem: memory@8fc80000 {
> > +			no-map;
> > +			reg = <0x8fc80000 0x40000>;
> > +		};
> > +
> > +		secdata_mem: memory@8fcfd000 {
> > +			no-map;
> > +			reg = <0x8fcfd000 0x1000>;
> > +		};
> > +
> > +		ipa_fw_mem: memory@8fced000 {
> > +			no-map;
> > +			reg = <0x8fced000 0x10000>;
> > +		};
> > +
> > +		sbl_mem: memory@8fd00000 {
> > +			no-map;
> > +			reg = <0x8fd00000 0x100000>;
> > +		};
> > +
> > +		aop_image: memory@8fe00000 {
> > +			no-map;
> > +			reg = <0x8fe00000 0x20000>;
> > +		};
> > +
> > +		aop_cmd_db: memory@8fe20000 {
> > +			compatible = "qcom,cmd-db";
> > +			reg = <0x8fe20000 0x20000>;
> > +			no-map;
> > +		};
> > +
> > +		smem_mem: memory@8fe40000 {
> > +			no-map;
> > +			reg = <0x8fe40000 0xc0000>;
> > +		};
> > +
> > +		tz_mem: memory@8ff00000 {
> > +			no-map;
> > +			reg = <0x8ff00000 0x100000>;
> > +		};
> > +
> > +		tz_apps_mem: memory@0x90000000 {
> > +			no-map;
> > +			reg = <0x90000000 0x500000>;
> > +		};
> > +
> > +		mpss_adsp_mem: memory@90800000 {
> > +			no-map;
> > +			reg = <0x90800000 0xf800000>;
> 
> Didn't you say this moved to 0x9c000000?
> 

That's for an old bootloader which is used in the MTP. But I guess we should
always use the latest mem map for the latest bootloader.

Thanks,
Mani

> Regards,
> Bjorn
> 
> > +		};
> > +	};
> > +
> >  	soc: soc {
> >  		#address-cells = <1>;
> >  		#size-cells = <1>;
> > -- 
> > 2.25.1
> >