ABC80/max80_fw

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

Autors	SHA1 Ziņojums	Datums
H. Peter Anvin	afc9429471 Add simple SDRAM controller	3 gadi atpakaļ
H. Peter Anvin	43d9806872 Remove unused assignments; use a DDIO buffer for sr_clk	3 gadi atpakaļ
H. Peter Anvin	0cc1a65b5e Change N/C pins to output driving GND	3 gadi atpakaļ
H. Peter Anvin	85544a3c97 Add pin for flash_mosi; update some I/O options	3 gadi atpakaļ
H. Peter Anvin	5ddc02d7cf Update pinout to match latest schematic	3 gadi atpakaļ