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Merge tag 'juno-updates-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into next/soc

Browse Source 
Pull "ARMv8 Vexpress/Juno DT update for v4.15" from Sudeep Holla:

Just single update to enable PSCI support on Foundation models

* tag 'juno-updates-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  arm64: dts: foundation-v8: Enable PSCI mode
This commit is contained in:
Arnd Bergmann 2017-10-19 23:50:15 +02:00
commit 6260304f1a
10 changed files with 129 additions and 50 deletions
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4
arch/arm64/boot/dts/arm/Makefile
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@ -1,4 +1,6 @@
dtb-$(CONFIG_ARCH_VEXPRESS) += foundation-v8.dtb foundation-v8-gicv3.dtb
dtb-$(CONFIG_ARCH_VEXPRESS) += \
foundation-v8.dtb foundation-v8-psci.dtb \
foundation-v8-gicv3.dtb foundation-v8-gicv3-psci.dtb
dtb-$(CONFIG_ARCH_VEXPRESS) += juno.dtb juno-r1.dtb juno-r2.dtb
dtb-$(CONFIG_ARCH_VEXPRESS) += rtsm_ve-aemv8a.dtb
dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2f-1xv7-ca53x2.dtb

19
arch/arm64/boot/dts/arm/foundation-v8-gicv2.dtsi Normal file
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@ -0,0 +1,19 @@
/*
* ARM Ltd.
*
* ARMv8 Foundation model DTS (GICv2 configuration)
*/
/ {
gic: interrupt-controller@2c001000 {
compatible = "arm,cortex-a15-gic", "arm,cortex-a9-gic";
#interrupt-cells = <3>;
#address-cells = <2>;
interrupt-controller;
reg = <0x0 0x2c001000 0 0x1000>,
<0x0 0x2c002000 0 0x2000>,
<0x0 0x2c004000 0 0x2000>,
<0x0 0x2c006000 0 0x2000>;
interrupts = <1 9 0xf04>;
};
};

9
arch/arm64/boot/dts/arm/foundation-v8-gicv3-psci.dts Normal file
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@ -0,0 +1,9 @@
/*
* ARM Ltd.
*
* ARMv8 Foundation model DTS (GICv3+PSCI configuration)
*/
#include "foundation-v8.dtsi"
#include "foundation-v8-gicv3.dtsi"
#include "foundation-v8-psci.dtsi"

25
arch/arm64/boot/dts/arm/foundation-v8-gicv3.dts
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@ -5,26 +5,5 @@
*/
#include "foundation-v8.dtsi"
/ {
gic: interrupt-controller@2f000000 {
compatible = "arm,gic-v3";
#interrupt-cells = <3>;
#address-cells = <2>;
#size-cells = <2>;
ranges;
interrupt-controller;
reg = <0x0 0x2f000000 0x0 0x10000>,
<0x0 0x2f100000 0x0 0x200000>,
<0x0 0x2c000000 0x0 0x2000>,
<0x0 0x2c010000 0x0 0x2000>,
<0x0 0x2c02f000 0x0 0x2000>;
interrupts = <1 9 4>;
its: its@2f020000 {
compatible = "arm,gic-v3-its";
msi-controller;
reg = <0x0 0x2f020000 0x0 0x20000>;
};
};
};
#include "foundation-v8-gicv3.dtsi"
#include "foundation-v8-spin-table.dtsi"

28
arch/arm64/boot/dts/arm/foundation-v8-gicv3.dtsi Normal file
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@ -0,0 +1,28 @@
/*
* ARM Ltd.
*
* ARMv8 Foundation model DTS (GICv3 configuration)
*/
/ {
gic: interrupt-controller@2f000000 {
compatible = "arm,gic-v3";
#interrupt-cells = <3>;
#address-cells = <2>;
#size-cells = <2>;
ranges;
interrupt-controller;
reg = <0x0 0x2f000000 0x0 0x10000>,
<0x0 0x2f100000 0x0 0x200000>,
<0x0 0x2c000000 0x0 0x2000>,
<0x0 0x2c010000 0x0 0x2000>,
<0x0 0x2c02f000 0x0 0x2000>;
interrupts = <1 9 4>;
its: its@2f020000 {
compatible = "arm,gic-v3-its";
msi-controller;
reg = <0x0 0x2f020000 0x0 0x20000>;
};
};
};

9
arch/arm64/boot/dts/arm/foundation-v8-psci.dts Normal file
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@ -0,0 +1,9 @@
/*
* ARM Ltd.
*
* ARMv8 Foundation model DTS (GICv2+PSCI configuration)
*/
#include "foundation-v8.dtsi"
#include "foundation-v8-gicv2.dtsi"
#include "foundation-v8-psci.dtsi"

28
arch/arm64/boot/dts/arm/foundation-v8-psci.dtsi Normal file
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@ -0,0 +1,28 @@
/*
* ARM Ltd.
*
* ARMv8 Foundation model DTS (PSCI configuration)
*/
/ {
psci {
compatible = "arm,psci-1.0";
method = "smc";
};
};
&cpu0 {
enable-method = "psci";
};
&cpu1 {
enable-method = "psci";
};
&cpu2 {
enable-method = "psci";
};
&cpu3 {
enable-method = "psci";
};

25
arch/arm64/boot/dts/arm/foundation-v8-spin-table.dtsi Normal file
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@ -0,0 +1,25 @@
/*
* ARM Ltd.
*
* ARMv8 Foundation model DTS (spin table configuration)
*/
&cpu0 {
enable-method = "spin-table";
cpu-release-addr = <0x0 0x8000fff8>;
};
&cpu1 {
enable-method = "spin-table";
cpu-release-addr = <0x0 0x8000fff8>;
};
&cpu2 {
enable-method = "spin-table";
cpu-release-addr = <0x0 0x8000fff8>;
};
&cpu3 {
enable-method = "spin-table";
cpu-release-addr = <0x0 0x8000fff8>;
};

16
arch/arm64/boot/dts/arm/foundation-v8.dts
View File

@ -5,17 +5,5 @@
*/
#include "foundation-v8.dtsi"
/ {
gic: interrupt-controller@2c001000 {
compatible = "arm,cortex-a15-gic", "arm,cortex-a9-gic";
#interrupt-cells = <3>;
#address-cells = <2>;
interrupt-controller;
reg = <0x0 0x2c001000 0 0x1000>,
<0x0 0x2c002000 0 0x2000>,
<0x0 0x2c004000 0 0x2000>,
<0x0 0x2c006000 0 0x2000>;
interrupts = <1 9 0xf04>;
};
};
#include "foundation-v8-gicv2.dtsi"
#include "foundation-v8-spin-table.dtsi"

16
arch/arm64/boot/dts/arm/foundation-v8.dtsi
View File

@ -28,36 +28,28 @@ cpus {
#address-cells = <2>;
#size-cells = <0>;
cpu@0 {
cpu0: cpu@0 {
device_type = "cpu";
compatible = "arm,armv8";
reg = <0x0 0x0>;
enable-method = "spin-table";
cpu-release-addr = <0x0 0x8000fff8>;
next-level-cache = <&L2_0>;
};
cpu@1 {
cpu1: cpu@1 {
device_type = "cpu";
compatible = "arm,armv8";
reg = <0x0 0x1>;
enable-method = "spin-table";
cpu-release-addr = <0x0 0x8000fff8>;
next-level-cache = <&L2_0>;
};
cpu@2 {
cpu2: cpu@2 {
device_type = "cpu";
compatible = "arm,armv8";
reg = <0x0 0x2>;
enable-method = "spin-table";
cpu-release-addr = <0x0 0x8000fff8>;
next-level-cache = <&L2_0>;
};
cpu@3 {
cpu3: cpu@3 {
device_type = "cpu";
compatible = "arm,armv8";
reg = <0x0 0x3>;
enable-method = "spin-table";
cpu-release-addr = <0x0 0x8000fff8>;
next-level-cache = <&L2_0>;
};