| Submitter | Snoke |
|---|---|
| Date | 2011-01-09 19:07:57 |
| Message ID | <4D2A078D.3070906@iki.fi> |
| Download | mbox | patch |
| Permalink | /patch/2497/ |
| State | New |
| Headers | show |
Comments
* Snoke <snoke@iki.fi> [110109 20:07]: > 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? > --- 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); Are you sure this line should be deleted? > + pnp_write_config(dev, 0x27, 0x00); I think the case VT1211_SP2: should go extra: case VT1211_SP1: pnp_write_config(dev, index + 0, (iobase >> 2) & 0xff); break; case VT1211_SP2: pnp_write_config(dev, index + 0, (iobase >> 2) & 0xff); pnp_write_config(dev, 0x27, 0x00); // Serial Port 2 Multi Function Pin Select break; Can you please try and see if this does the job? Signed-off-by: Stefan Reinauer <stepan@coreboot.org> > break; > case VT1211_ROM: > /* TODO: Error. VT1211_ROM doesn't have an I/O base. */ > -- > coreboot mailing list: coreboot@coreboot.org > http://www.coreboot.org/mailman/listinfo/coreboot
Patch
--- 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. */