lkml.org 
[lkml]   [2018]   [Apr]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH v2] arm64: dts: qcom: Add SDM845 SMEM nodes
    Date
    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>
    ---

    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
    \
     
     \ /
      Last update: 2018-04-30 16:46    [W:3.545 / U:0.024 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site