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Date: Thu, 6 Jun 2019 15:35:01 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Benjamin Beckmeyer <beb@...-engel.de>
Cc: netdev@...r.kernel.org
Subject: Re: DSA with MV88E6321 and imx28
> >From our hardware developer I know now that we are using a "mini" SFF
> which has no i2c eeprom.
O.K. Does this mini SFF have LOS, TX-Disable, etc? Are these connected
to GPIOs? I assume the SFF is fibre? And it needs the SERDES to speak
1000BaseX, not SGMII?
> Switch | external
> Port 0 - internal serdes 0x0c --|-------Mini SFF 1x8 Transceiver
> |
> Port 0 - internal serdes 0x0d --|-------Mini SFF 1x8 Transceiver
> |
> Port 2 ----------RGMII----------|-------KSZ9031 PHY 0x02(strap)--Transceiver
> |
> Port 3 - internal PHY 0x03 -----|-------Transceiver
> |
> Port 3 - internal PHY 0x04 -----|-------Transceiver
> |
> Port 5 - CPU-Port RMII ---------|-------CPU
> |
> Port 6 ----------RGMII----------|-------KSZ9031 PHY 0x06(strap)--Transceiver
So the current state is that just the SFF ports are not working? All
the copper PHYs are O.K.
Andrew
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