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` [1]. Nico [1] https://www.coreboot.org/Spkmodem -- coreboot mailing list: coreboot@coreboot.org https://mail.coreboot.org/mailman/listinfo/coreboot
