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Ethernet on PPC Ebony not working

U-Boot-Users Pavel Bartusek 2 participants 2 messages Nov 21, 2003 – Dec 7, 2003

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Pavel Bartusek

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Hello,

I guess you are using 10MB ethernet. In the 440 is between EMAC and PHY inserted so called ZMII bridge, which can operate in several modes. If is in the RMII mode then is necessary to set correct speed in the ZMII Speed Select Register.
The following patch will fix this problem.

Pavel Bartusek
Sysgo AG
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Quoted 6 lines · In message <[email protected]> you wrote:

I guess you are using 10MB ethernet. In the 440 is between EMAC and PHY inserted so called ZMII bridge, which can operate in several modes. If is in the RMII mode then is necessary to set correct speed in the ZMII Speed Select Register.
The following patch will fix this problem.

Thanks, added.

Best regards,

Wolfgang Denk

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