I've embarked on adding epia-m support to v2 of linuxbios. I am at the point where I have debug messages coming out the serial port. My plan of attack is to clone the epia code but rename everything epiam, and add support for the proper north + south bridges and mainboard init code. Which means porting these components from v1: vt8623 northbridge vt8235 southbridge vt1211 superio device
Currently to get serial output working I grabbed the vt1211 serial init code and just shoved it into the auto.c of the epiam for now, calling it enable_vt1211_serial...
Modified the default 19200 baud to 115200 baud (but I actually get 57600 baud).
If anyone can offer any warnings or advice it would be helpful.
I may get called off this project at any time though...
-Dave