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

From: Ding Tianhong
Date: Mon Aug 31 2015 - 09:45:09 EST

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@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"?
>

Okïbut I think should be "hisilicon,hip05","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?
>

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@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
>>
>>
>>
>> _______________________________________________
>> linux-arm-kernel mailing list
>> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
> .
>


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/