[U-Boot] net, cpsw: disable gigabit support through plattform data

Heiko Schocher hs at denx.de
Tue Jun 4 17:15:29 CEST 2013


Hello Wolfgang,

Am 04.06.2013 17:00, schrieb Wolfgang Denk:
> Dear Heiko,
> 
> In message <1370335914-14027-1-git-send-email-hs at denx.de> you wrote:
>> add possibility to disable gigabit support through
>> plattform data. Current boards should not be affected
>> through this patch.
> ...
>> +		if (phy->speed == 1000) {
>> +			if (priv->data.gigabit_en) {
>> +				mac_control |= GIGABITEN;
>> +			} else {
>> +				/* Disable gigabit as it's non-functional */
>> +				mac_control &= ~GIGABITEN;
>> +				phy->speed = 100;
> 
> Is this reliable?  I mean, how do we know it's a 100 Mbps connection
> (and not for example a 10 Mbs one) ?

Indeed. Anyway, I have to check, if this patch is necessary, as Tom
noted ...

bye,
Heiko
-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany


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