Messages in this thread | | | Date | Mon, 6 Feb 2023 20:06:13 +0530 | Subject | Re: [PATCH 2/2] arm64: dts: qcom: sm8450: Add IMEM and PIL info region | From | Mukesh Ojha <> |
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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@quicinc.com> >> --- > 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.
-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";
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