Re: [PATCH 2/2] arm64: dts: qcom: sa8775p: Add IMEM and PIL info region

From: Tengfei Fan
Date: Wed May 29 2024 - 20:27:29 EST




On 5/29/2024 8:36 PM, Mukesh Ojha wrote:


On 5/29/2024 3:49 PM, Tengfei Fan wrote:
Add a simple-mfd representing IMEM on SA8775p and define the PIL
relocation info region, so that post mortem tools will be able
to locate the loaded remoteprocs.

Signed-off-by: Tengfei Fan <quic_tengfan@xxxxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/sa8775p.dtsi | 15 +++++++++++++++
  1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
index 5632fa896b93..eb33b1587802 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
@@ -3025,6 +3025,21 @@ tlmm: pinctrl@f000000 {
              wakeup-parent = <&pdc>;
          };
+        sram: sram@146d8000 {
+            compatible = "qcom,sa8775p-imem", "syscon", "simple-mfd";
+            reg = <0x0 0x146d8000 0x0 0x1000>;
+
+            #address-cells = <1>;
+            #size-cells = <1>;
+
+            ranges = <0x0 0x0 0x146d8000 0x1000>;

This could be moved up along with reg region.

-Mukesh

Sure, I will move up along with reg region in the next version patch series.


+
+            pil-reloc@94c {
+                compatible = "qcom,pil-reloc-info";
+                reg = <0x94c 0xc8>;
+            };
+        };
+
          apps_smmu: iommu@15000000 {
              compatible = "qcom,sa8775p-smmu-500", "qcom,smmu-500", "arm,mmu-500";
              reg = <0x0 0x15000000 0x0 0x100000>;

--
Thx and BRs,
Tengfei Fan