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([2001:861:44c0:66c0:bd6:ac2b:1e48:f2ff]) by smtp.gmail.com with ESMTPSA id o27sm5651453wms.4.2022.01.27.02.46.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 27 Jan 2022 02:46:09 -0800 (PST) Subject: Re: [PATCH 1/3] arm64: dts: meson-gx: add ATF BL32 reserved-memory region To: Christian Hewitt , Rob Herring , Mark Rutland , Kevin Hilman , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org References: <20220126044954.19069-1-christianshewitt@gmail.com> <20220126044954.19069-2-christianshewitt@gmail.com> From: Neil Armstrong Organization: Baylibre Message-ID: <517ef196-e622-7ed5-c3be-55ac3f054b74@baylibre.com> Date: Thu, 27 Jan 2022 11:46:08 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: <20220126044954.19069-2-christianshewitt@gmail.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220127_024612_125991_2F9A57C5 X-CRM114-Status: GOOD ( 16.13 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org On 26/01/2022 05:49, Christian Hewitt wrote: > Add an additional reserved memory region for the BL32 trusted firmware > present in many devices that boot from Amlogic vendor u-boot. > > Suggested-by: Mateusz Krzak > Signed-off-by: Christian Hewitt > --- > arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi > index 6b457b2c30a4..aa14ea017a61 100644 > --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi > +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi > @@ -49,6 +49,12 @@ > no-map; > }; > > + /* 32 MiB reserved for ARM Trusted Firmware (BL32) */ > + secmon_reserved_bl32: secmon@5300000 { > + reg = <0x0 0x05300000 0x0 0x2000000>; > + no-map; > + }; > + > linux,cma { > compatible = "shared-dma-pool"; > reusable; > Reviewed-by: Neil Armstrong _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic