[U-Boot] P1022 eTSEC
Renaud Barbier
renaud.barbier at ge.com
Wed Feb 9 21:23:47 CET 2011
Correction: P1013
On 09/02/11 20:21, Renaud Barbier wrote:
> We have a system with a P1022 connected to a 5461S in SGMII mode.
>
> In order to make it work in SGMII mode, I set TBI ANA to 0x4001 as per
> AN3869. Note that those bit are described as reserved in the P1022 doc
> that I have.
> I was then able to transfer data at 100/1000 (10 not tested).
>
> As per AN3869 a value of 0x1a0 is for 1000BASE-X.
>
>
> Looking at the tsec driver (drivers/net/tsec.c), one can see:
>
> #define TBIANA_SETTINGS ( \
> TBIANA_ASYMMETRIC_PAUSE \
> | TBIANA_SYMMETRIC_PAUSE \
> | TBIANA_FULL_DUPLEX \
> )
> ==> 0x1a0
>
> if (regs->ecntrl& ECNTRL_SGMII_MODE)
> tsec_configure_serdes(priv);
>
> That would mean the TBI ANA is not set correctly when SGMII
> is reported.
>
> Please can you verify this.
>
> Cheers.
>
>
>
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--
Renaud Barbier
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