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Date: Wed, 2 Sep 2015 12:28:01 +0800
From: Ding Tianhong <dingtianhong@...wei.com>
To: Leo Yan <leo.yan@...aro.org>
CC: <mark.rutland@....com>, <devicetree@...r.kernel.org>,
<pawel.moll@....com>, <ijc+devicetree@...lion.org.uk>,
<marc.zyngier@....com>, <catalin.marinas@....com>,
<will.deacon@....com>, <linux-kernel@...r.kernel.org>,
<linuxarm@...wei.com>, <robh+dt@...nel.org>,
<haojian.zhuang@...aro.org>, <galak@...eaurora.org>,
<zhangfei.gao@...aro.org>, <rob.herring@...aro.org>,
<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 2/2] arm64: dts: add dts files for Hisilicon Hip05-D02
Development Board
Hi，Marc：
Can you check this, I am not sure whether the GIC_CPU_MASK_SIMPLE(xx) is used for gic-v3, maybe we should remove it, thanks.
Ding
On 2015/8/31 21:44, Ding Tianhong wrote:
> On 2015/8/31 21:12, Leo Yan wrote:
>> On Sat, Aug 29, 2015 at 04:52:41PM +0800, Ding Tianhong wrote:
>>> Add initial dtsi file to support Hisilicon Hip05-D02 Board with
>>> support of CPUs in four clusters and each cluster has quard Cortex-A57.
>>>
>>> Also add dts file to support Hip05-D02 development board.
>>>
>>> Signed-off-by: Ding Tianhong <dingtianhong@...wei.com>
>>> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
>>> ---
>>> arch/arm64/boot/dts/hisilicon/Makefile | 2 +-
>>> arch/arm64/boot/dts/hisilicon/hip05-d02.dts | 36 ++++
>>> arch/arm64/boot/dts/hisilicon/hip05.dtsi | 271 ++++++++++++++++++++++++++++
>>> 3 files changed, 308 insertions(+), 1 deletion(-)
>>> create mode 100644 arch/arm64/boot/dts/hisilicon/hip05-d02.dts
>>> create mode 100644 arch/arm64/boot/dts/hisilicon/hip05.dtsi
>>>
>>> diff --git a/arch/arm64/boot/dts/hisilicon/Makefile b/arch/arm64/boot/dts/hisilicon/Makefile
>>> index fa81a6e..cd158b8 100644
>>> --- a/arch/arm64/boot/dts/hisilicon/Makefile
>>> +++ b/arch/arm64/boot/dts/hisilicon/Makefile
>>> @@ -1,4 +1,4 @@
>>> -dtb-$(CONFIG_ARCH_HISI) += hi6220-hikey.dtb
>>> +dtb-$(CONFIG_ARCH_HISI) += hi6220-hikey.dtb hip05-d02.dtb
>>>
>>> always := $(dtb-y)
>>> subdir-y := $(dts-dirs)
>>> diff --git a/arch/arm64/boot/dts/hisilicon/hip05-d02.dts b/arch/arm64/boot/dts/hisilicon/hip05-d02.dts
>>> new file mode 100644
>>> index 0000000..ae34e25
>>> --- /dev/null
>>> +++ b/arch/arm64/boot/dts/hisilicon/hip05-d02.dts
>>> @@ -0,0 +1,36 @@
>>> +/**
>>> + * dts file for Hisilicon D02 Development Board
>>> + *
>>> + * Copyright (C) 2014,2015 Hisilicon Ltd.
>>> + *
>>> + * This program is free software; you can redistribute it and/or modify
>>> + * it under the terms of the GNU General Public License version 2 as
>>> + * publishhed by the Free Software Foundation.
>>> + *
>>> + */
>>> +
>>> +/dts-v1/;
>>> +
>>> +#include "hip05.dtsi"
>>> +
>>> +/ {
>>> + model = "Hisilicon Hip05 D02 Development Board";
>>> + compatible = "hisilicon,hip05-d02";
>>> +
>>> + memory@...00000 {
>>> + device_type = "memory";
>>> + reg = <0x0 0x00000000 0x0 0x80000000>;
>>> + };
>>> +
>>> + aliases {
>>> + serial0 = &uart0;
>>> + };
>>> +
>>> + chosen {
>>> + stdout-path = "serial0:115200n8";
>>> + };
>>> +};
>>> +
>>> +&uart0 {
>>> + status = "ok";
>>> +};
>>> diff --git a/arch/arm64/boot/dts/hisilicon/hip05.dtsi b/arch/arm64/boot/dts/hisilicon/hip05.dtsi
>>> new file mode 100644
>>> index 0000000..da12d94
>>> --- /dev/null
>>> +++ b/arch/arm64/boot/dts/hisilicon/hip05.dtsi
>>> @@ -0,0 +1,271 @@
>>> +/**
>>> + * dts file for Hisilicon D02 Development Board
>>> + *
>>> + * Copyright (C) 2014,2015 Hisilicon Ltd.
>>> + *
>>> + * This program is free software; you can redistribute it and/or modify
>>> + * it under the terms of the GNU General Public License version 2 as
>>> + * publishhed by the Free Software Foundation.
>>> + *
>>> + */
>>> +
>>> +#include <dt-bindings/interrupt-controller/arm-gic.h>
>>> +
>>> +/ {
>>> + compatible = "hisilicon,hip05-d02";
>>> + interrupt-parent = <&gic>;
>>> + #address-cells = <2>;
>>> + #size-cells = <2>;
>>> +
>>> + psci {
>>> + compatible = "arm,psci-0.2";
>>> + method = "smc";
>>> + };
>>> +
>>> + cpus {
>>> + #address-cells = <1>;
>>> + #size-cells = <0>;
>>> +
>>> + cpu-map {
>>> + cluster0 {
>>> + core0 {
>>> + cpu = <&cpu0>;
>>> + };
>>> + core1 {
>>> + cpu = <&cpu1>;
>>> + };
>>> + core2 {
>>> + cpu = <&cpu2>;
>>> + };
>>> + core3 {
>>> + cpu = <&cpu3>;
>>> + };
>>> + };
>>> + cluster1 {
>>> + core0 {
>>> + cpu = <&cpu4>;
>>> + };
>>> + core1 {
>>> + cpu = <&cpu5>;
>>> + };
>>> + core2 {
>>> + cpu = <&cpu6>;
>>> + };
>>> + core3 {
>>> + cpu = <&cpu7>;
>>> + };
>>> + };
>>> + cluster2 {
>>> + core0 {
>>> + cpu = <&cpu8>;
>>> + };
>>> + core1 {
>>> + cpu = <&cpu9>;
>>> + };
>>> + core2 {
>>> + cpu = <&cpu10>;
>>> + };
>>> + core3 {
>>> + cpu = <&cpu11>;
>>> + };
>>> + };
>>> + cluster3 {
>>> + core0 {
>>> + cpu = <&cpu12>;
>>> + };
>>> + core1 {
>>> + cpu = <&cpu13>;
>>> + };
>>> + core2 {
>>> + cpu = <&cpu14>;
>>> + };
>>> + core3 {
>>> + cpu = <&cpu15>;
>>> + };
>>> + };
>>> + };
>>> +
>>> + cpu0: cpu@...00 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>
>> Change to "arm,cortex-a57","arm,armv8"?
>>
>
> Ok，but I think should be "hisilicon,hip05","arm,armv8".
>
>>> + reg = <0x20000>;
>>> + enable-method = "psci";
>>> + };
>>> +
>>> + cpu1: cpu@...01 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>> + reg = <0x20001>;
>>> + enable-method = "psci";
>>> + };
>>> +
>>> + cpu2: cpu@...02 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>> + reg = <0x20002>;
>>> + enable-method = "psci";
>>> + };
>>> +
>>> + cpu3: cpu@...03 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>> + reg = <0x20003>;
>>> + enable-method = "psci";
>>> + };
>>> +
>>> + cpu4: cpu@...00 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>> + reg = <0x20100>;
>>> + enable-method = "psci";
>>> + };
>>> +
>>> + cpu5: cpu@...01 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>> + reg = <0x20101>;
>>> + enable-method = "psci";
>>> + };
>>> +
>>> + cpu6: cpu@...02 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>> + reg = <0x20102>;
>>> + enable-method = "psci";
>>> + };
>>> +
>>> + cpu7: cpu@...03 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>> + reg = <0x20103>;
>>> + enable-method = "psci";
>>> + };
>>> +
>>> + cpu8: cpu@...00 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>> + reg = <0x20200>;
>>> + enable-method = "psci";
>>> + };
>>> +
>>> + cpu9: cpu@...01 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>> + reg = <0x20201>;
>>> + enable-method = "psci";
>>> + };
>>> +
>>> + cpu10: cpu@...02 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>> + reg = <0x20202>;
>>> + enable-method = "psci";
>>> + };
>>> +
>>> + cpu11: cpu@...03 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>> + reg = <0x20203>;
>>> + enable-method = "psci";
>>> + };
>>> +
>>> + cpu12: cpu@...00 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>> + reg = <0x20300>;
>>> + enable-method = "psci";
>>> + };
>>> +
>>> + cpu13: cpu@...01 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>> + reg = <0x20301>;
>>> + enable-method = "psci";
>>> + };
>>> +
>>> + cpu14: cpu@...02 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>> + reg = <0x20302>;
>>> + enable-method = "psci";
>>> + };
>>> +
>>> + cpu15: cpu@...03 {
>>> + device_type = "cpu";
>>> + compatible = "arm,armv8";
>>> + reg = <0x20303>;
>>> + enable-method = "psci";
>>> + };
>>> + };
>>> +
>>> + gic: interrupt-controller@...00000 {
>>> + compatible = "arm,gic-v3";
>>> + #interrupt-cells = <3>;
>>> + #address-cells = <2>;
>>> + #size-cells = <2>;
>>> + ranges;
>>> + interrupt-controller;
>>> + #redistributor-regions = <1>;
>>> + redistributor-stride = <0x0 0x30000>;
>>> + reg = <0x0 0x8d000000 0 0x10000>, /* GICD */
>>> + <0x0 0x8d100000 0 0x300000>, /* GICR */
>>> + <0x0 0xfe000000 0 0x10000>, /* GICC */
>>> + <0x0 0xfe010000 0 0x10000>, /* GICH */
>>> + <0x0 0xfe020000 0 0x10000>; /* GICV */
>>> + interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>;
>>> +
>>> + its_totems: interrupt-controller@...00000 {
>>> + compatible = "arm,gic-v3-its";
>>> + msi-controller;
>>> + reg = <0x0 0x8c000000 0x0 0x1000000>;
>>> + };
>>> + };
>>> +
>>> + timer {
>>> + compatible = "arm,armv8-timer";
>>> + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
>>> + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
>>> + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
>>> + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
>>
>> Here have a question:
>> In devcie tree binding file: Documentation/devicetree/bindings/arm/gic.txt,
>> it only considers for maximum 8 cpus. So will we need change the
>> binding file and also use GIC_CPU_MASK_SIMPLE(16) for 16 cores?
>>
>
> Looks like should updtate gic.txt and use the GIC_CPU_MASK_SIMPLE(16) for 16 cores.
>
> Ding
>
>>> + };
>>> +
>>> + pmu {
>>> + compatible = "arm,armv8-pmuv3";
>>> + interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
>>> + };
>>> +
>>> + soc {
>>> + compatible = "simple-bus";
>>> + #address-cells = <2>;
>>> + #size-cells = <2>;
>>> + ranges;
>>> +
>>> + refclk200mhz: refclk200mhz {
>>> + compatible = "fixed-clock";
>>> + #clock-cells = <0>;
>>> + clock-frequency = <200000000>;
>>> + };
>>> +
>>> + uart0: uart@...00000 {
>>> + compatible = "snps,dw-apb-uart";
>>> + reg = <0x0 0x80300000 0x0 0x10000>;
>>> + interrupts = <GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>;
>>> + clocks = <&refclk200mhz>;
>>> + clock-names = "apb_pclk";
>>> + reg-shift = <2>;
>>> + reg-io-width = <4>;
>>> + status = "disabled";
>>> + };
>>> +
>>> + uart1: uart@...10000 {
>>> + compatible = "snps,dw-apb-uart";
>>> + reg = <0x0 0x80310000 0x0 0x10000>;
>>> + interrupts = <GIC_SPI 318 IRQ_TYPE_LEVEL_HIGH>;
>>> + clocks = <&refclk200mhz>;
>>> + clock-names = "apb_pclk";
>>> + reg-shift = <2>;
>>> + reg-io-width = <4>;
>>> + status = "disabled";
>>> + };
>>> + };
>>> +};
>>> --
>>> 1.9.0
>>>
>>>
>>>
>>> _______________________________________________
>>> linux-arm-kernel mailing list
>>> linux-arm-kernel@...ts.infradead.org
>>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>>
>> .
>>
>
>
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> linuxarm@...wei.com
> http://rnd-openeuler.huawei.com/mailman/listinfo/linuxarm
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