Re: [PATCH 2/2] arm64: dts: add dts files for Hisilicon Hip05-D02 Development Board

From: Leo Yan
Date: Mon Aug 31 2015 - 09:13:03 EST

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@xxxxxxxxxx>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
> ---
> 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@00000000 {
> + 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@20000 {
> + device_type = "cpu";
> + compatible = "arm,armv8";

Change to "arm,cortex-a57","arm,armv8"?

> + reg = <0x20000>;
> + enable-method = "psci";
> + };
> +
> + cpu1: cpu@20001 {
> + device_type = "cpu";
> + compatible = "arm,armv8";
> + reg = <0x20001>;
> + enable-method = "psci";
> + };
> +
> + cpu2: cpu@20002 {
> + device_type = "cpu";
> + compatible = "arm,armv8";
> + reg = <0x20002>;
> + enable-method = "psci";
> + };
> +
> + cpu3: cpu@20003 {
> + device_type = "cpu";
> + compatible = "arm,armv8";
> + reg = <0x20003>;
> + enable-method = "psci";
> + };
> +
> + cpu4: cpu@20100 {
> + device_type = "cpu";
> + compatible = "arm,armv8";
> + reg = <0x20100>;
> + enable-method = "psci";
> + };
> +
> + cpu5: cpu@20101 {
> + device_type = "cpu";
> + compatible = "arm,armv8";
> + reg = <0x20101>;
> + enable-method = "psci";
> + };
> +
> + cpu6: cpu@20102 {
> + device_type = "cpu";
> + compatible = "arm,armv8";
> + reg = <0x20102>;
> + enable-method = "psci";
> + };
> +
> + cpu7: cpu@20103 {
> + device_type = "cpu";
> + compatible = "arm,armv8";
> + reg = <0x20103>;
> + enable-method = "psci";
> + };
> +
> + cpu8: cpu@20200 {
> + device_type = "cpu";
> + compatible = "arm,armv8";
> + reg = <0x20200>;
> + enable-method = "psci";
> + };
> +
> + cpu9: cpu@20201 {
> + device_type = "cpu";
> + compatible = "arm,armv8";
> + reg = <0x20201>;
> + enable-method = "psci";
> + };
> +
> + cpu10: cpu@20202 {
> + device_type = "cpu";
> + compatible = "arm,armv8";
> + reg = <0x20202>;
> + enable-method = "psci";
> + };
> +
> + cpu11: cpu@20203 {
> + device_type = "cpu";
> + compatible = "arm,armv8";
> + reg = <0x20203>;
> + enable-method = "psci";
> + };
> +
> + cpu12: cpu@20300 {
> + device_type = "cpu";
> + compatible = "arm,armv8";
> + reg = <0x20300>;
> + enable-method = "psci";
> + };
> +
> + cpu13: cpu@20301 {
> + device_type = "cpu";
> + compatible = "arm,armv8";
> + reg = <0x20301>;
> + enable-method = "psci";
> + };
> +
> + cpu14: cpu@20302 {
> + device_type = "cpu";
> + compatible = "arm,armv8";
> + reg = <0x20302>;
> + enable-method = "psci";
> + };
> +
> + cpu15: cpu@20303 {
> + device_type = "cpu";
> + compatible = "arm,armv8";
> + reg = <0x20303>;
> + enable-method = "psci";
> + };
> + };
> +
> + gic: interrupt-controller@8d000000 {
> + 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@8c000000 {
> + 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?

> + };
> +
> + 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@80300000 {
> + 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@80310000 {
> + 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
>
>
>
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