Serial port 2 won't work on Epia-Mii. Following patch I get it work.
Found solution at Linuxbios archive : [LinuxBIOS] EPIA M COM2 problem + possible solution? <http://www.coreboot.org/pipermail/coreboot/2006-February/013603.html>
--- coreboot/src/superio/via/vt1211/vt1211.c 2011-01-09 16:05:47.000000000 +0200 +++ coreboot_epia/src/superio/via/vt1211/vt1211.c 2011-01-09 19:49:53.000000000 +0200 @@ -63,7 +63,7 @@ case VT1211_PP: case VT1211_SP1: case VT1211_SP2: - pnp_write_config(dev, index + 0, (iobase >> 2) & 0xff); + pnp_write_config(dev, 0x27, 0x00); break; case VT1211_ROM: /* TODO: Error. VT1211_ROM doesn't have an I/O base. */
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