[PATCH] cxl: Configure the PSL for dual port CAPI on Naples

Michael Neuling mikey at neuling.org
Wed Mar 16 19:55:10 AEDT 2016


> > > +		psl_dsnctl |= (phb_index << (63-11));
> > 
> > 
> > Looking at the psl docs, cappunitid in the dsndctl is bits 6 to 13.
> >   So
> > why 11 here?
> > 
> Because on POWER8NVL, dsndctl bit 11 == phb_index == cappunitid.
> Bits 6-10 and 12-13 do not change between POWER8 and POWER8NVL.

OK, can you document that better as what you're doing now is not clear
even when reading the associated docs.

Mikey


More information about the Linuxppc-dev mailing list