On Tue, 2016-10-04 at 13:02 +0100, John Garry wrote: > Right, so I think Zhichang can make the necessary generic changes to > 8250 OF driver to support IO port as well as MMIO-based. > > However an LPC-based earlycon driver is still required. > > A note on hip07-based D05 (for those unaware): this does not use > LPC-based uart. It uses PL011. The hardware guys have managed some > trickery where they loopback the serial line around the BMC/CPLD. But we > still need it for hip06 D03 and any other boards which want to use LPC > bus for uart. > > A question on SBSA: does it propose how to provide serial via BMC for SOL? Probably another reason to keep 8250 as a legal option ... The (very popular) Aspeed BMCs tend to do this via a 8250-looking virtual UART on LPC. Cheers, Ben, -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
