Re: [Linux-ATM-General] Fw: MPHY supported in mpc8260sar

[Gilad Rom <gilad@romat.com>]

And exactly how many PHY's is that?

Gilad.

On Wed, 2004-08-18 at 10:31, Zoran Stojsavljevic wrote:
> I enhanced 8260 ATM driver... now I am able to support maximum number
> of PHYs by mpc8260. With up to eight priorities per each PHY.
>
> Just an additional info... :)
>
> ----- Original Message -----
> From: "Zoran Stojsavljevic" <zoransto@dkts.co.yu>
> Sent: Thursday, August 05, 2004 11:09 AM
> Subject: MPHY supported in mpc8260sar
>
> > I finally achieved multiphy mpc8260sar (with some limitations). The
> > driver is able to support 8 PHYs (one PHY per unique priority). The
> > driver is developed out of Peter's McCormick single PHY version.
> >
> > For some unknow reason I could NOT achieve MPHY support with only
> > one priority (for example highest PRIority 0). In order to make MPHY
> > to work correctly I assigned a unique priority per PHY. With 8 PHYs
> > the mapping looks like: PHY0/PRIO0, PHY1/PRIO1... PHY7/PRIO7, eg.
> > PHYx/PRIOx, where x is in range [0..7]!
> >
> > The another limitation is that I did NOT fix the VP range, eg. I am
> > using only VP0 (one VP) with different VCs, where least three (3)
> > significant bits of each VC assume the selected PHY. In other words,
> > I am using 8 nas interfaces, and VCs (decimal radix) from 40 (0x28)
> > to 47 (0x2F), where VC 40 is attached to PHY0, VC 41 to PHY1... VC47
> > to PHY7. While issuing ATM xmit command I am deriving least three
> > significant bits of currently processed VC and I'm putting them to
> > the COMM_INFO words (offset 0x86, field PHY#), described in section
> > 30.14 of MPC8260 PowerQUICC II Family Reference Manual (Revision 1,
> > date 05/2003).
> >
> > If you all find this info of (some) interest, I can do the patch
> > (against latest version in CVS) so we can store this limited edition
> > of the MPHY version under the mpc8260sar driver project.
> >
> > ----- Original Message -----
> > From: "Alex Zeffertt" <ajz@cambridgebroadband.com>
> > Sent: Monday, January 26, 2004 1:41 PM
> > Subject: Announcement: MPHY now supported in mpc860sar
> >
> > > Just a quick note to say that multi-phy is now supported by the
> > > mpc860sar ATM driver, thanks to a patch by Rodolfo Giometti.

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