[U-Boot] FW: u-boot v2016 vs v2013

Lukasz Majewski lukma at denx.de
Thu Jan 25 09:34:59 UTC 2018


Hi,

> On Wed, Jan 24, 2018 at 10:26 AM, Mehmet Ali İPİN
> <mehmet.ipin at pavotek.com.tr> wrote:
> > Dear Estevam,
> >
> > I am (in fact hardware engineer developed the PCB)  not an
> > experienced u-boot/linux developer, therefore sorry for my complex
> > questions. I will check the forum, and google for this message, but
> > you may help me to start the right path.
> >
> > May be, according to your experience you can advise me to check
> > some (phy/mac) register, pin status, clock values, Or give the name
> > of threads in u-boot or nxp imx6 forum which is about similar dhcp
> > events, if you remember.
> >
> > Since its a new PCB board, so we did not load/run the linux yet.  
> 
> Try looking at existing supported boards that use KSZ9021, such as
> board/boundary/nitrogen6x/nitrogen6x.c for example.

If I may add a remark here. If this is a new board - then look for
RGMII's internal delays, which are set in the ETH PHY chip. You may get
default values, which may not be correct in your new PCB design.

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Best regards,

Lukasz Majewski

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