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SubjectRe: [PATCH net-next 2/2] net: phy: broadcom: add 1000Base-X support for BCM54616S
> Hi Andrew,
>
> The BCM54616S PHY on my machine is connected to a BCM5396 switch chip over backplane (1000Base-KX).

Ah, that is different. So the board is using it for RGMII to 1000Base-KX?

phy-mode is about the MAC-PHY link. So in this case RGMII.

There is no DT way to configure the PHY-Switch link. However, it
sounds like you have the PHY strapped so it is doing 1000BaseX on the
PHY-Switch link. So do you actually need to configure this?

You report you never see link up? So maybe the problem is actually in
read_status? When in 1000BaseX mode, do you need to read the link
status from some other register? The Marvell PHYs use a second page
for 1000BaseX.

Andrew

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