[For master PATCH 1/1] sama5de3k: add gmacb support

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Mon Feb 11 06:35:19 EST 2013


On 09:30 Mon 11 Feb     , Sascha Hauer wrote:
> On Fri, Feb 08, 2013 at 10:28:44AM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > Cc: Nicolas Ferre <nicolas.ferre at atmel.com>
> > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> > ---
> >  arch/arm/boards/sama5d3xek/init.c |   31 +++++++++++++++++++++++++++++++
> >  1 file changed, 31 insertions(+)
> > 
> 
> Applied, thanks.
> 
> > +static int ksz9021rn_phy_fixup(struct phy_device *phy)
> > +{
> > +	int value;
> > +
> > +#define GMII_RCCPSR	260
> > +#define GMII_RRDPSR	261
> > +#define GMII_ERCR	11
> > +#define GMII_ERDWR	12
> > +
> > +	/* Set delay values */
> > +	value = GMII_RCCPSR | 0x8000;
> > +	phy_write(phy, GMII_ERCR, value);
> > +	value = 0xF2F4;
> > +	phy_write(phy, GMII_ERDWR, value);
> > +	value = GMII_RRDPSR | 0x8000;
> > +	phy_write(phy, GMII_ERCR, value);
> > +	value = 0x2222;
> > +	phy_write(phy, GMII_ERDWR, value);
> > +
> > +	return 0;
> 
> This delay line setup really needs some generic code. We have this on
> i.MX6 aswell. Currently this means that each board needs to know the
> phy it has, not a really good situation.
the pb that it's hardware specific (PCB layout) so I do not see how we can fix
this

Best Regards,
J.
> 
> Sascha
> 
> > +}
> > +
> >  static void ek_add_device_eth(void)
> >  {
> >  	if (w1_local_mac_address_register(0, "tml", "w1-2d-0"))
> > @@ -147,6 +174,10 @@ static void ek_add_device_eth(void)
> >  	if (ek_register_mac_address_23(1))
> >  		ek_register_mac_address_43(1);
> >  
> > +	phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK,
> > +					   ksz9021rn_phy_fixup);
> > +
> > +	at91_add_device_eth(0, &gmac_pdata);
> >  	at91_add_device_eth(1, &macb_pdata);
> >  }
> >  #else
> > -- 
> > 1.7.10.4
> > 
> > 
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> > 
> 
> -- 
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