On Mon, Feb 06, 2023 at 08:06:13PM +0530, Mukesh Ojha wrote:
>
>
> On 2/4/2023 3:07 AM, Konrad Dybcio wrote:
> >
> >
> > On 3.02.2023 18:04, Mukesh Ojha wrote:
> > > Add a simple-mfd representing IMEM on SM8450 and define the PIL
> > > relocation info region, so that post mortem tools will be able
> > > to locate the loaded remoteprocs.
> > >
> > > Signed-off-by: Mukesh Ojha <quic_mojha@xxxxxxxxxxx>
> > > ---
> > From XBL:
> >
> > 0x14680000, 0x0002A000, "IMEM Base"
> >
> > Is there anything in that wider address range that would interest
> > us? I recall Alex once dug into that when diving into IPA, but
> > I can not recall the conclusion..
> Spec-wise, yes IPA do own these 0x146A8000 - 0x146AA000 .
> But, not sure what they use it for.
>
The DT should not reflect the organization structure. Let's see if Alex
have any input on this.
Thanks,
Bjorn
> -Mukesh
> >
> > Konrad
> > > arch/arm64/boot/dts/qcom/sm8450.dtsi | 15 +++++++++++++++
> > > 1 file changed, 15 insertions(+)
> > >
> > > diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> > > index 5704750..474ea1b 100644
> > > --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
> > > +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> > > @@ -3536,6 +3536,21 @@
> > > };
> > > };
> > > + sram@146aa000 {
> > > + compatible = "qcom,sm8450-imem", "syscon", "simple-mfd";
> > > + reg = <0 0x146aa000 0 0x1000>;
> > > +
> > > + #address-cells = <1>;
> > > + #size-cells = <1>;
> > > +
> > > + ranges = <0 0 0x146aa000 0x1000>;
> > > +
> > > + pil-reloc@94c {
> > > + compatible = "qcom,pil-reloc-info";
> > > + reg = <0x94c 0xc8>;
> > > + };
> > > + };
> > > +
> > > apps_rsc: rsc@17a00000 {
> > > label = "apps_rsc";
> > > compatible = "qcom,rpmh-rsc";
