[coreboot] Fwd: POST cards, I/O ports and M.2 to MiniPCIe
nico.h at gmx.de
Tue Apr 3 23:40:05 CEST 2018
On 03.04.2018 23:29, Trammell Hudson wrote:
> What ended up working for me was the PC speaker since there is no other
> I/O available so early. I'd really like to thank Uwe Hermann and the
> other devs of libpayload/speaker.c -- I was able to port their driver
> functions to execute very soon after the reset vector and confirm code
> execution with beeps and busy waiting.
You might have missed `src/drivers/pc80/pc/spkmodem.c` .
More information about the coreboot