Re: [PATCH 3/4] arm: dts: sun8i: a83t: Add CCI-400 node
From: Maxime Ripard <hidden>
Date: 2017-12-13 10:52:22
Also in:
linux-arm-kernel, lkml
Hi, On Mon, Dec 11, 2017 at 08:50:00AM +0100, Mylène Josserand wrote:
quoted hunk ↗ jump to hunk
Add CCI-400 node and control-port on CPUs needed by MCPM (ie SMP). Signed-off-by: Mylène Josserand <mylene.josserand-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> --- arch/arm/boot/dts/sun8i-a83t.dtsi | 41 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+)diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi index eeb2e7d0d6dc..3e2aad537972 100644 --- a/arch/arm/boot/dts/sun8i-a83t.dtsi +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi@@ -62,48 +62,56 @@ compatible = "arm,cortex-a7"; device_type = "cpu"; reg = <0>; + cci-control-port = <&cci_control0>; }; cpu@1 { compatible = "arm,cortex-a7"; device_type = "cpu"; reg = <1>; + cci-control-port = <&cci_control0>; }; cpu@2 { compatible = "arm,cortex-a7"; device_type = "cpu"; reg = <2>; + cci-control-port = <&cci_control0>; }; cpu@3 { compatible = "arm,cortex-a7"; device_type = "cpu"; reg = <3>; + cci-control-port = <&cci_control0>; }; cpu@100 { compatible = "arm,cortex-a7"; device_type = "cpu"; reg = <0x100>; + cci-control-port = <&cci_control1>; }; cpu@101 { compatible = "arm,cortex-a7"; device_type = "cpu"; reg = <0x101>; + cci-control-port = <&cci_control1>; }; cpu@102 { compatible = "arm,cortex-a7"; device_type = "cpu"; reg = <0x102>; + cci-control-port = <&cci_control1>; }; cpu@103 { compatible = "arm,cortex-a7"; device_type = "cpu"; reg = <0x103>; + cci-control-port = <&cci_control1>; }; };@@ -314,6 +322,39 @@ status = "disabled"; }; + cci: cci@1790000 {
You're not using that label, and you should order the node by physical address.
+ compatible = "arm,cci-400"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x01790000 0x1000>;
The size is 0x10000.
+ ranges = <0x0 0x01790000 0x10000>;
+
+ cci_control0: slave-if@4000 {
+ compatible = "arm,cci-400-ctrl-if";
+ interface-type = "ace";
+ reg = <0x4000 0x1000>;
+ };
+
+ cci_control1: slave-if@5000 {
+ compatible = "arm,cci-400-ctrl-if";
+ interface-type = "ace";
+ reg = <0x5000 0x1000>;
+ };
+
+ pmu@9000 {
+ compatible = "arm,cci-400-pmu,r1";
+ reg = <0x9000 0x5000>;
+ interrupts = <GIC_SPI 132 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 151 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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