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X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Jun 2017 09:24:15 -0000 Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable > -----Original Message----- > From: Leif Lindholm [mailto:leif.lindholm@linaro.org] > Sent: 06 June 2017 12:12 > To: Ard Biesheuvel > Cc: Scott Telford ; edk2-devel@lists.01.org devel@ml01.01.org>; Graeme Gregory ; > afish@apple.com; Kinney, Michael D > Subject: Re: [staging/cadence-aarch64 PATCH v2 5/6] CadencePkg: Add ACPI > tables for Cadence CSP platform. =20 > However, if you want this Cadence UART to be usable as an operating > system boot console in ACPI systems, you need to get the serial port > type added to DBG2 (which is explicitly referenced from SPCR): > https://urldefense.proofpoint.com/v2/url?u=3Dhttps- > 3A__msdn.microsoft.com_en-2Dus_library_windows_hardware_dn639131- > 28v-3Dvs.85- > 29.aspx&d=3DDwIBAg&c=3DaUq983L2pue2FqKFoP6PGHMJQyoJ7kl3s3GZ- > _haXqY&r=3D0b2qZ7fqn6FWL0d7Bhx7saDL- > B7sx3Cxz3HPARO7ozc&m=3DSLa8mBFqNKP- > AkMHpGlWJjZ0wbdukQ9J_HJDF_4Wd7o&s=3D1QAszB3f1u_Zpzh4ZD- > YJzK9rtZJktnrFm9j23oaQeU&e=3D >=20 > Is this something you would be interested in doing? I could probably > dig up the required contacts if that was the case. >=20 > (You would then also need to add some matching code in > linux/drivers/tty/serial/xilinx_uartps.c, to get it autodetected by > Linux.) Thanks for the offer, but we only used a Cadence UART in this platform beca= use we didn't have the ARM PL011 IP available to us when we started working= on this (we do now). I doubt anyone else will want to use this UART in an = SBSA or similar system, so I'll just drop SPCR. Regards, Scott.