[bug report] [POWERPC] 4xx: Add 405GPr and 405EP support in boot wrapper

Benjamin Herrenschmidt benh at au1.ibm.com
Thu Oct 27 07:50:39 AEDT 2016


On Wed, 2016-10-26 at 22:07 +0300, Dan Carpenter wrote:
> On Wed, Oct 26, 2016 at 01:57:23PM -0500, Benjamin Herrenschmidt
> wrote:
> > 
> > On Wed, 2016-10-26 at 16:03 +0300, Dan Carpenter wrote:
> > > 
> > >    565          cbdv = ((pllmr & 0x00060000) >> 17) + 1; /*
> > > CPU:PLB */
> > >    566          opdv = ((pllmr & 0x00018000) >> 15) + 1; /*
> > > PLB:OPB */
> > >    567          ppdv = ((pllmr & 0x00001800) >> 13) + 1; /*
> > > PLB:PCI */
> > >                                  ^^^^^^^^^^^^^^^^^
> > > This is zero.  It looks like 0x00000600 was probably intended?
> > 
> > I just checked the spec and for the 405gp and it's 0x6000 (bits 17
> > and
> > 18 in IBM ordering)
> > 
> 
> I'm on the road and there is no way I'm going to remember to do this
> when I get back...  Could you send the patch?

I'll try to remember when I'm out of meeting frenzy ;-)

Cheers,
Ben.



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