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Tue, 31 Aug 2021 19:27:17 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id CA00E10002A; Tue, 31 Aug 2021 19:27:16 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id C0D1622807F; Tue, 31 Aug 2021 19:27:16 +0200 (CEST) Received: from lmecxl0994.lme.st.com (10.75.127.50) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 31 Aug 2021 19:27:16 +0200 Subject: Re: [PATCH 09/10] ARM: dts: stm32mp: Add OP-TEE "/firmware" node to SPL dtb To: Alexandru Gagniuc , CC: , Patrice CHOTARD , Etienne Carriere , U-Boot STM32 References: <20210826214209.254461-1-mr.nuke.me@gmail.com> <20210826214209.254461-10-mr.nuke.me@gmail.com> From: Patrick DELAUNAY Message-ID: <525d8f3c-9961-0102-854b-553bf8906137@foss.st.com> Date: Tue, 31 Aug 2021 19:27:15 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210826214209.254461-10-mr.nuke.me@gmail.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Originating-IP: [10.75.127.50] X-ClientProxiedBy: SFHDAG1NODE2.st.com (10.75.127.2) To SFHDAG2NODE3.st.com (10.75.127.6) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-08-31_08,2021-08-31_01,2020-04-07_01 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean Hi, On 8/26/21 11:42 PM, Alexandru Gagniuc wrote: > This node is required in SPL when booting an OP-TEE payload. Add it to > the SPL devicetree. > > Signed-off-by: Alexandru Gagniuc > --- > arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi b/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi > index 0101962ea5..2e65b9b4d5 100644 > --- a/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi > +++ b/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi > @@ -31,6 +31,7 @@ > optee { > compatible = "linaro,optee-tz"; > method = "smc"; > + u-boot,dm-spl; > }; > }; > NAK = the OP-TEE nodes are ADDED by the OP-TEE firmware when SPL is running the OP-TEE firmware is not running and the OP-TEE driver is not probed => this nodes are not required This node should be present ONLY for backyard compatibility (STM32IMAGE support in U-Boot trusted boot) regards Patrick