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[2603:6081:7b01:cbda:2ef0:5dff:fedb:a8ba]) by smtp.gmail.com with ESMTPSA id f127-20020a379c85000000b0069c921d6576sm1404422qke.76.2022.04.15.08.43.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Apr 2022 08:43:27 -0700 (PDT) Date: Fri, 15 Apr 2022 11:43:25 -0400 From: Tom Rini To: abdellatif.elkhlifi@arm.com Cc: u-boot@lists.denx.de, sudeep.holla@arm.com, achin.gupta@arm.com, ilias.apalodimas@linaro.org, robh@kernel.org, sjg@chromium.org, vishnu.banavath@arm.com, xueliang.zhong@arm.com, nd@arm.com Subject: Re: [PATCH v2 0/6] introduce Arm FF-A support Message-ID: <20220415154325.GY14282@bill-the-cat> References: <20220413172943.rvvxrsl5ukxy7xkg@bogus> <20220415122803.16666-1-abdellatif.elkhlifi@arm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="tEfZIDIS0PofrzMf" Content-Disposition: inline In-Reply-To: <20220415122803.16666-1-abdellatif.elkhlifi@arm.com> X-Clacks-Overhead: GNU Terry Pratchett X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 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 0.103.5 at phobos.denx.de X-Virus-Status: Clean --tEfZIDIS0PofrzMf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Apr 15, 2022 at 01:27:57PM +0100, abdellatif.elkhlifi@arm.com wrote: > From: Abdellatif El Khlifi >=20 > This patchset adds support for Arm FF-A (Arm Firmware Framework for Armv8= -A v1.0). >=20 > FF-A support is generic by design and can be used by any Arm platform. >=20 > The features added are as follows: > =20 > 1/ FF-A bus driver > 2/ armffa command > 3/ FF-A Sandbox driver > 4/ FF-A Sandbox test cases > 5/ FF-A MM communication >=20 > The suggested design considers FF-A as a discoverable bus. > The Secure World is considered as one entity to communicate with using th= e FF-A bus. > FF-A communication is handled by one device and one instance (the bus). > This FF-A driver takes care of all the interactions between Normal world > and Secure World. >=20 > The Secure World firmware runs under TrustZone HW (such as Optee). The s= ame approach was followed in the > FF-A driver in Linux kernel (https://git.kernel.org/pub/scm/linux/kernel/= git/torvalds/linux.git/tree/drivers/firmware/arm_ffa/bus.c?h=3Dv5.15#n211)) >=20 > Cc: Tom Rini > Cc: Rob Herring > Cc: Ilias Apalodimas > Cc: Achin Gupta > Cc: Simon Glass > Cc: Vishnu Banavath I don't see a changelog compared with v1. Are any of the comments there addressed? Thanks. --=20 Tom --tEfZIDIS0PofrzMf Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEEGjx/cOCPqxcHgJu/FHw5/5Y0tywFAmJZkpkACgkQFHw5/5Y0 tyynygv/aOMh9VMhmN3PYR1oFokNC39SR8TWdvdlkrVUAh0oZhpay88ipu7NmrGP +UuFdZ6bMQRHdFnDl0B9aPOfbS0BR+w4afsOnsdU1a6K33oHDqu2x7mx1bFkKYoR YR7NOiNcTY2SKU/mwzX463fMtGbIlD7MxfM4xB7NBQtEiCc0WS0W+kTZQS61AxAp P3Z60Vyzauvky5HD7sBnqmhf+OgwNid84qMSzwUX+PXM/p5YzL/HzusY1Lac/Qgt jWyNgo7vo2wUtyA+ss5KQH1cxBIEZepmXW7qwTcMJ/qov5aRHWBx8qPsxrNIY7iL 8fEnV5BrfP9aJN4iGaFzHJm4CTyeHggecbeRl5rM16vIBAHCIjsCcSQfsCMm3zat phh1Hm78wGUibVJ113A7jD4UwC3NWvYUTYnGNoz6q06KMQCz+4cDsiUOHA0lsF7b e828R0jLlc3EwrYT11iL4gwT0JXumtCOqm6cu9izlD0ETV7wqCbjO77jyneRdMAM LjuqcM2d =a9el -----END PGP SIGNATURE----- --tEfZIDIS0PofrzMf--