On 03/13/2018 08:36 PM, Daniel Kurtz wrote: > AMD Carrizo / Stoneyridge use a DesignWare 8250 UART that uses a special > earlycon setup handler to configure its input clock in order to compute > baud rate divisor registers. > Detect them by examining the OEMID field in the SPCR header, and pass > then pass uart type amdcz to earlycon.
FYI I spoke with Microsoft some time ago about standardizing the ability to convey non-standard baud rates in the SPCR. If you're interested in driving, I can put you in touch with the right person over there. Jon. -- Computer Architect
