| Message ID | 20211230155152.48715-2-gtk3@inbox.ru (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] ARM: mediatek: add smp bringup code for MT6582 | expand |
On 12/30/21 16:51, Maxim Kutnij wrote: > This patch adds nodes mt6589-smp, pmu and arm,armv7-timer. > > Signed-off-by: Maxim Kutnij <gtk3@inbox.ru> > --- > arch/arm/boot/dts/mt6582.dtsi | 35 ++++++++++++++++++++++++++++++----- > 1 file changed, 30 insertions(+), 5 deletions(-) > > diff --git a/arch/arm/boot/dts/mt6582.dtsi b/arch/arm/boot/dts/mt6582.dtsi > index 4263371784c..5efcbf43325 100644 > --- a/arch/arm/boot/dts/mt6582.dtsi > +++ b/arch/arm/boot/dts/mt6582.dtsi > @@ -15,29 +15,43 @@ / { > cpus { > #address-cells = <1>; > #size-cells = <0>; > + enable-method = "mediatek,mt6589-smp"; > > - cpu@0 { > + cpu0: cpu@0 { > device_type = "cpu"; > compatible = "arm,cortex-a7"; > reg = <0x0>; > + clock-frequency = <1300000000>; What do we need the clock-frequency for? I wasn't able to figure that out right now. Other then that patches look good. Regards, Matthias > }; > - cpu@1 { > + cpu1: cpu@1 { > device_type = "cpu"; > compatible = "arm,cortex-a7"; > reg = <0x1>; > + clock-frequency = <1300000000>; > }; > - cpu@2 { > + cpu2: cpu@2 { > device_type = "cpu"; > compatible = "arm,cortex-a7"; > reg = <0x2>; > + clock-frequency = <1300000000>; > }; > - cpu@3 { > + cpu3: cpu@3 { > device_type = "cpu"; > compatible = "arm,cortex-a7"; > reg = <0x3>; > + clock-frequency = <1300000000>; > }; > }; > > + pmu { > + compatible = "arm,cortex-a7-pmu"; > + interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_LOW>, > + <GIC_SPI 5 IRQ_TYPE_LEVEL_LOW>, > + <GIC_SPI 6 IRQ_TYPE_LEVEL_LOW>, > + <GIC_SPI 7 IRQ_TYPE_LEVEL_LOW>; > + interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>; > + }; > + > system_clk: dummy13m { > compatible = "fixed-clock"; > clock-frequency = <13000000>; > @@ -56,7 +70,18 @@ uart_clk: dummy26m { > #clock-cells = <0>; > }; > > - timer: timer@11008000 { > + timer { > + compatible = "arm,armv7-timer"; > + interrupt-parent = <&gic>; > + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>, > + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>, > + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>, > + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>; > + clock-frequency = <13000000>; > + arm,cpu-registers-not-fw-configured; > + }; > + > + timer: timer@10008000 { > compatible = "mediatek,mt6577-timer"; > reg = <0x10008000 0x80>; > interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_LOW>;
diff --git a/arch/arm/boot/dts/mt6582.dtsi b/arch/arm/boot/dts/mt6582.dtsi index 4263371784c..5efcbf43325 100644 --- a/arch/arm/boot/dts/mt6582.dtsi +++ b/arch/arm/boot/dts/mt6582.dtsi @@ -15,29 +15,43 @@ / { cpus { #address-cells = <1>; #size-cells = <0>; + enable-method = "mediatek,mt6589-smp"; - cpu@0 { + cpu0: cpu@0 { device_type = "cpu"; compatible = "arm,cortex-a7"; reg = <0x0>; + clock-frequency = <1300000000>; }; - cpu@1 { + cpu1: cpu@1 { device_type = "cpu"; compatible = "arm,cortex-a7"; reg = <0x1>; + clock-frequency = <1300000000>; }; - cpu@2 { + cpu2: cpu@2 { device_type = "cpu"; compatible = "arm,cortex-a7"; reg = <0x2>; + clock-frequency = <1300000000>; }; - cpu@3 { + cpu3: cpu@3 { device_type = "cpu"; compatible = "arm,cortex-a7"; reg = <0x3>; + clock-frequency = <1300000000>; }; }; + pmu { + compatible = "arm,cortex-a7-pmu"; + interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_LOW>, + <GIC_SPI 5 IRQ_TYPE_LEVEL_LOW>, + <GIC_SPI 6 IRQ_TYPE_LEVEL_LOW>, + <GIC_SPI 7 IRQ_TYPE_LEVEL_LOW>; + interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>; + }; + system_clk: dummy13m { compatible = "fixed-clock"; clock-frequency = <13000000>; @@ -56,7 +70,18 @@ uart_clk: dummy26m { #clock-cells = <0>; }; - timer: timer@11008000 { + timer { + compatible = "arm,armv7-timer"; + interrupt-parent = <&gic>; + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>, + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>, + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>, + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>; + clock-frequency = <13000000>; + arm,cpu-registers-not-fw-configured; + }; + + timer: timer@10008000 { compatible = "mediatek,mt6577-timer"; reg = <0x10008000 0x80>; interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_LOW>;
This patch adds nodes mt6589-smp, pmu and arm,armv7-timer. Signed-off-by: Maxim Kutnij <gtk3@inbox.ru> --- arch/arm/boot/dts/mt6582.dtsi | 35 ++++++++++++++++++++++++++++++----- 1 file changed, 30 insertions(+), 5 deletions(-)