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

From: Manivannan Sadhasivam
Date: Tue Jan 05 2021 - 22:08:13 EST


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@xxxxxxxxxx>
> >
> > This adds reserved memory nodes to the SDX55 dtsi as defined by v8 of
> > the memory map
> >
> > Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> > ---
> > 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
> >