diff options
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.patch | 53 |
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 + |