ABC80/max80_fw

spogulis no https://git.zytor.com/abc80/max80/fw.git/

Autors	SHA1 Ziņojums	Datums
H. Peter Anvin	b138f38385 WIP: generalize I2C interface	2 gadi atpakaļ
H. Peter Anvin	4970fb6ef6 rtc: issue dummy clock cycles if SDA appears stuck	3 gadi atpakaļ
H. Peter Anvin	c26574cc6a i2c: fix spurious Sr condition; revert to 400 kHz	3 gadi atpakaļ
H. Peter Anvin	6ae39aaf12 Make romcopy device programmable and able to zero memory	3 gadi atpakaļ
H. Peter Anvin	f6f9bf7ede Add i2c unit	3 gadi atpakaļ