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Fri, 31 Mar 2023 03:54:00 -0700 (PDT) Received: from [192.168.2.177] ([207.188.167.132]) by smtp.gmail.com with ESMTPSA id l24-20020a1c7918000000b003e203681b26sm2273068wme.29.2023.03.31.03.53.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 31 Mar 2023 03:53:59 -0700 (PDT) Message-ID: <5defb636-1f0f-6a6c-3c10-e8960b7d4399@gmail.com> Date: Fri, 31 Mar 2023 12:53:57 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [PATCH net-next 04/10] arm64: dts: mt7986: move cpuboot in a dedicated node Content-Language: en-US To: Lorenzo Bianconi , netdev@vger.kernel.org Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-mediatek@lists.infradead.org, nbd@nbd.name, john@phrozen.org, sean.wang@mediatek.com, Mark-MC.Lee@mediatek.com, lorenzo.bianconi@redhat.com, daniel@makrotopia.org, krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, devicetree@vger.kernel.org References: <61e2445f79d8642e7749dac409e2b93b96667610.1679330630.git.lorenzo@kernel.org> From: Matthias Brugger In-Reply-To: <61e2445f79d8642e7749dac409e2b93b96667610.1679330630.git.lorenzo@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 20/03/2023 17:57, Lorenzo Bianconi wrote: > Since the cpuboot memory region is not part of the RAM SoC, move cpuboot > in a deidicated syscon node. > This patch helps to keep backward-compatibility with older version of > uboot codebase where we have a limit of 8 reserved-memory dts child > nodes. > > Signed-off-by: Lorenzo Bianconi Acked-by: Matthias Brugger > --- > arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 21 +++++++++++---------- > 1 file changed, 11 insertions(+), 10 deletions(-) > > diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi > index 51944690e790..668b6cfa6a3d 100644 > --- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi > @@ -113,12 +113,6 @@ wo_dlm1: wo-dlm@151f8000 { > reg = <0 0x151f8000 0 0x2000>; > no-map; > }; > - > - wo_boot: wo-boot@15194000 { > - reg = <0 0x15194000 0 0x1000>; > - no-map; > - }; > - > }; > > timer { > @@ -461,10 +455,11 @@ wed0: wed@15010000 { > interrupt-parent = <&gic>; > interrupts = ; > memory-region = <&wo_emi0>, <&wo_ilm0>, <&wo_dlm0>, > - <&wo_data>, <&wo_boot>; > + <&wo_data>; > memory-region-names = "wo-emi", "wo-ilm", "wo-dlm", > - "wo-data", "wo-boot"; > + "wo-data"; > mediatek,wo-ccif = <&wo_ccif0>; > + mediatek,wo-cpuboot = <&wo_cpuboot>; > }; > > wed1: wed@15011000 { > @@ -474,10 +469,11 @@ wed1: wed@15011000 { > interrupt-parent = <&gic>; > interrupts = ; > memory-region = <&wo_emi1>, <&wo_ilm1>, <&wo_dlm1>, > - <&wo_data>, <&wo_boot>; > + <&wo_data>; > memory-region-names = "wo-emi", "wo-ilm", "wo-dlm", > - "wo-data", "wo-boot"; > + "wo-data"; > mediatek,wo-ccif = <&wo_ccif1>; > + mediatek,wo-cpuboot = <&wo_cpuboot>; > }; > > wo_ccif0: syscon@151a5000 { > @@ -494,6 +490,11 @@ wo_ccif1: syscon@151ad000 { > interrupts = ; > }; > > + wo_cpuboot: syscon@15194000 { > + compatible = "mediatek,mt7986-wo-cpuboot", "syscon"; > + reg = <0 0x15194000 0 0x1000>; > + }; > + > eth: ethernet@15100000 { > compatible = "mediatek,mt7986-eth"; > reg = <0 0x15100000 0 0x80000>;