linux-kernel - Re: [RFC PATCH 1/2] arm64: amlogic: add new ARCH_AMLIPC for IPC SoC

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Message-ID: <661cea17-a4dd-75d1-6a7e-16efa5aea52b@linaro.org>
Date:   Wed, 19 Apr 2023 15:43:12 +0200
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Dmitry Rokosov <ddrokosov@...rdevices.ru>,
        =Xianwei Zhao <xianwei.zhao@...ogic.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-amlogic@...ts.infradead.org, devicetree@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Subject: Re: [RFC PATCH 1/2] arm64: amlogic: add new ARCH_AMLIPC for IPC SoC

On 19/04/2023 15:14, Dmitry Rokosov wrote:
> On Wed, Apr 19, 2023 at 03:38:33PM +0800, =Xianwei Zhao wrote:
>> From: Xianwei Zhao <xianwei.zhao@...ogic.com>
>>
>> The C series SoCs are designed for smart IP camera
>> applications, which does not belong to Meson series.
>> So, Add ARCH_AMLIPC for the new series.
>>
>> There are now multiple amlogic SoC seies supported, so group them under
>> their own menu. we can easily add new platforms there in the future.
>> Introduce ARCH_AMLOGIC to cover all Amlogic SoC series.
>>
>> No functional changes introduced.
>>
>> Signed-off-by: Xianwei Zhao <xianwei.zhao@...ogic.com>
>> ---
>>   arch/arm64/Kconfig.platforms | 12 ++++++++++++
>>   arch/arm64/configs/defconfig |  2 ++
>>   2 files changed, 14 insertions(+)
>>
>> diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
>> index 89a0b13b058d..bfbc817eef8f 100644
>> --- a/arch/arm64/Kconfig.platforms
>> +++ b/arch/arm64/Kconfig.platforms
>> @@ -162,12 +162,24 @@ config ARCH_MEDIATEK
>>   	  This enables support for MediaTek MT27xx, MT65xx, MT76xx
>>   	  & MT81xx ARMv8 SoCs
>>   
>> +menuconfig ARCH_AMLOGIC
>> +	bool "NXP SoC support"
> 
> NXP? Did you mean "Amlogic"?
> 
>> +
>> +if ARCH_AMLOGIC
>> +
>>   config ARCH_MESON
>>   	bool "Amlogic Platforms"
>>   	help
>>   	  This enables support for the arm64 based Amlogic SoCs
>>   	  such as the s905, S905X/D, S912, A113X/D or S905X/D2
>>   
>> +config ARCH_AMLIPC
> 
> Do we really need a different ARCH for Amlogic IPC?
> I can imagine that it's not the Meson architecture at all.
> But maybe a better solution is just to rename ARCH_MESON to ARCH_AMLOGIC?

It should be changed treewide, and is it worth it ?

Neil

> 
>> +	bool "Amlogic IPC Platforms"
>> +	help
>> +	  This enables support for the arm64 based Amlogic IPC SoCs
>> +	  such as the C302X, C308L
>> +endif
>> +
>>   config ARCH_MVEBU
>>   	bool "Marvell EBU SoC Family"
>>   	select ARMADA_AP806_SYSCON
>> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
>> index 7790ee42c68a..f231bd1723fd 100644
>> --- a/arch/arm64/configs/defconfig
>> +++ b/arch/arm64/configs/defconfig
>> @@ -46,7 +46,9 @@ CONFIG_ARCH_LG1K=y
>>   CONFIG_ARCH_HISI=y
>>   CONFIG_ARCH_KEEMBAY=y
>>   CONFIG_ARCH_MEDIATEK=y
>> +CONFIG_ARCH_AMLOGIC=y
>>   CONFIG_ARCH_MESON=y
>> +CONFIG_ARCH_AMLIPC=y
>>   CONFIG_ARCH_MVEBU=y
>>   CONFIG_ARCH_NXP=y
>>   CONFIG_ARCH_LAYERSCAPE=y
>> -- 
>> 2.37.1
>>
>>
>> _______________________________________________
>> linux-amlogic mailing list
>> linux-amlogic@...ts.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-amlogic
> 

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