> -----Original Message----- > From: Leif Lindholm [mailto:leif.lindh...@linaro.org] > Sent: 06 June 2017 12:12 > To: Ard Biesheuvel <ard.biesheu...@linaro.org> > Cc: Scott Telford <stelf...@cadence.com>; edk2-devel@lists.01.org <edk2- > de...@ml01.01.org>; Graeme Gregory <graeme.greg...@linaro.org>; > af...@apple.com; Kinney, Michael D <michael.d.kin...@intel.com> > Subject: Re: [staging/cadence-aarch64 PATCH v2 5/6] CadencePkg: Add ACPI > tables for Cadence CSP platform. > 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=https- > 3A__msdn.microsoft.com_en-2Dus_library_windows_hardware_dn639131- > 28v-3Dvs.85- > 29.aspx&d=DwIBAg&c=aUq983L2pue2FqKFoP6PGHMJQyoJ7kl3s3GZ- > _haXqY&r=0b2qZ7fqn6FWL0d7Bhx7saDL- > B7sx3Cxz3HPARO7ozc&m=SLa8mBFqNKP- > AkMHpGlWJjZ0wbdukQ9J_HJDF_4Wd7o&s=1QAszB3f1u_Zpzh4ZD- > YJzK9rtZJktnrFm9j23oaQeU&e= > > Is this something you would be interested in doing? I could probably > dig up the required contacts if that was the case. > > (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 because 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. _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
