On Mon 30 Apr 07:44 PDT 2018, Sibi Sankar wrote: > 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 <[email protected]>
Reviewed-by: Bjorn Andersson <[email protected]> Regards, Bjorn > --- > > This patch depends on: > https://patchwork.kernel.org/patch/10276419/ > https://patchwork.kernel.org/patch/10363361/ > > arch/arm64/boot/dts/qcom/sdm845.dtsi | 38 ++++++++++++++++++++++++++++ > 1 file changed, 38 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi > b/arch/arm64/boot/dts/qcom/sdm845.dtsi > index 9be763da0664..55e7d7e23b10 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"; > @@ -339,6 +372,11 @@ > }; > }; > > + tcsr_mutex_regs: syscon@1f40000 { > + compatible = "syscon"; > + reg = <0x1f40000 0x40000>; > + }; > + > apss_shared: mailbox@17990000 { > compatible = "qcom,sdm845-apss-shared"; > reg = <0x17990000 0x1000>; > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project >
