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Diffstat (limited to 'target/linux/mediatek/patches/0043-ARM-dts-mt8127-enable-basic-SMP-bringup-for-mt8127.patch')
-rw-r--r--target/linux/mediatek/patches/0043-ARM-dts-mt8127-enable-basic-SMP-bringup-for-mt8127.patch53
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches/0043-ARM-dts-mt8127-enable-basic-SMP-bringup-for-mt8127.patch b/target/linux/mediatek/patches/0043-ARM-dts-mt8127-enable-basic-SMP-bringup-for-mt8127.patch
new file mode 100644
index 0000000000..60990c3282
--- /dev/null
+++ b/target/linux/mediatek/patches/0043-ARM-dts-mt8127-enable-basic-SMP-bringup-for-mt8127.patch
@@ -0,0 +1,53 @@
+From e75f8b666c976aff2aa30b967f74df021d800993 Mon Sep 17 00:00:00 2001
+From: "Joe.C" <yingjoe.chen@mediatek.com>
+Date: Fri, 1 May 2015 15:43:30 +0800
+Subject: [PATCH 43/76] ARM: dts: mt8127: enable basic SMP bringup for mt8127
+
+Add arch timer node to enable arch-timer support. MT8127 firmware
+doesn't correctly setup arch-timer frequency and CNTVOFF, add
+properties to workaround this.
+
+This also set cpu enable-method to enable SMP.
+
+Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
+---
+ arch/arm/boot/dts/mt8127.dtsi | 16 ++++++++++++++++
+ 1 file changed, 16 insertions(+)
+
+diff --git a/arch/arm/boot/dts/mt8127.dtsi b/arch/arm/boot/dts/mt8127.dtsi
+index aaa7862..7c2090d 100644
+--- a/arch/arm/boot/dts/mt8127.dtsi
++++ b/arch/arm/boot/dts/mt8127.dtsi
+@@ -23,6 +23,7 @@
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
++ enable-method = "mediatek,mt81xx-tz-smp";
+
+ cpu@0 {
+ device_type = "cpu";
+@@ -72,6 +73,21 @@
+ };
+ };
+
++ timer {
++ compatible = "arm,armv7-timer";
++ interrupt-parent = <&gic>;
++ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) |
++ IRQ_TYPE_LEVEL_LOW)>,
++ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) |
++ IRQ_TYPE_LEVEL_LOW)>,
++ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) |
++ IRQ_TYPE_LEVEL_LOW)>,
++ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) |
++ IRQ_TYPE_LEVEL_LOW)>;
++ clock-frequency = <13000000>;
++ arm,cpu-registers-not-fw-configured;
++ };
++
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+--
+1.7.10.4
+