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authorSibi S <sibis@codeaurora.org>2018-04-30 20:14:28 +0530
committerAndy Gross <andy.gross@linaro.org>2018-05-22 23:28:59 -0500
commit71c8428e487d640d42f3fb7991e56914ea3f76b5 (patch)
treed480b4657278497681eb77137dd2d341e3631592 /arch/arm64/boot
parentarm64: dts: qcom: Add APSS shared mailbox node to SDM845 (diff)
downloadlinux-dev-71c8428e487d640d42f3fb7991e56914ea3f76b5.tar.xz
linux-dev-71c8428e487d640d42f3fb7991e56914ea3f76b5.zip
arm64: dts: qcom: Add SDM845 SMEM nodes
Add all the necessary dt nodes to support SMEM driver on SDM845. It also adds the required memory carveouts so that the kernel does not access memory that is in use. Signed-off-by: Sibi Sankar <sibis@codeaurora.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Andy Gross <andy.gross@linaro.org>
Diffstat (limited to 'arch/arm64/boot')
-rw-r--r--arch/arm64/boot/dts/qcom/sdm845.dtsi38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 740c4182cbe1..71e45c14abc1 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -21,6 +21,27 @@
reg = <0 0x80000000 0 0>;
};
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ memory@85fc0000 {
+ reg = <0 0x85fc0000 0 0x20000>;
+ no-map;
+ };
+
+ smem_mem: memory@86000000 {
+ reg = <0x0 0x86000000 0x0 0x200000>;
+ no-map;
+ };
+
+ memory@86200000 {
+ reg = <0 0x86200000 0 0x2d00000>;
+ no-map;
+ };
+ };
+
cpus {
#address-cells = <2>;
#size-cells = <0>;
@@ -147,6 +168,18 @@
};
};
+ tcsr_mutex: hwlock {
+ compatible = "qcom,tcsr-mutex";
+ syscon = <&tcsr_mutex_regs 0 0x1000>;
+ #hwlock-cells = <1>;
+ };
+
+ smem {
+ compatible = "qcom,smem";
+ memory-region = <&smem_mem>;
+ hwlocks = <&tcsr_mutex 3>;
+ };
+
psci {
compatible = "arm,psci-1.0";
method = "smc";
@@ -273,6 +306,11 @@
cell-index = <0>;
};
+ tcsr_mutex_regs: syscon@1f40000 {
+ compatible = "syscon";
+ reg = <0x1f40000 0x40000>;
+ };
+
apss_shared: mailbox@17990000 {
compatible = "qcom,sdm845-apss-shared";
reg = <0x17990000 0x1000>;