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Date: Mon, 31 Aug 2015 22:40:19 +0800
From: Leo Yan <leo.yan@...aro.org>
To: Ding Tianhong <dingtianhong@...wei.com>
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, xuwei5@...ilicon.com,
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
On Mon, Aug 31, 2015 at 09:44:38PM +0800, 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"?
> >
>
> Okļ¼but I think should be "hisilicon,hip05","arm,armv8".
If the CPU is a starndard ARM core (such like CA53, CA57, etc), you
need directly use the CPU type which has been defined in:
Documentation/devicetree/bindings/arm/cpus.txt. So here hip05 is the
naming code for SoC? or for the CPU customized by Hisilicon?
[...]
Thanks,
Leo Yan
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