ABC80/max80_fw

réplica de https://git.zytor.com/abc80/max80/fw.git/

Autor	SHA1 Mensaxe	Data
H. Peter Anvin	6ae39aaf12 Make romcopy device programmable and able to zero memory	%!s(int64=3) %!d(string=hai) anos
H. Peter Anvin	42f4ad6376 Make downloader work; use PLL for SDRAM clock offset	%!s(int64=3) %!d(string=hai) anos
H. Peter Anvin	f476073603 SPI ROM -> SDRAM download unit (not quite working yet?)	%!s(int64=3) %!d(string=hai) anos