Thread (14 messages) 14 messages, 5 authors, 2017-01-20

[PATCH v5 1/2] net: dsa: mv88e6xxx: Don't forbid MDIO I/Os for PHY addr >= num_of_ports

From: andrew@lunn.ch (Andrew Lunn)
Date: 2017-01-20 00:07:33
Also in: lkml, netdev

On Thu, Jan 19, 2017 at 05:13:12PM -0500, Vivien Didelot wrote:
Hi Gregory,

Gregory CLEMENT [off-list ref] writes:
quoted
From: Romain Perier <redacted>

Some Marvell ethernet switches have internal ethernet transceivers with
hardcoded phy addresses. These addresses can be greater than the number
of ports or its value might be different than the associated port number.
This is for example the case for MV88E6341 that has 6 ports and internal
Port 1 to Port4 PHYs mapped at SMI addresses from 0x11 to 0x14.
Isn't there an hardware table used to map the PHY addresses on such chip?
The 6390 has something like this. But if we can avoid it, lets keep it
KISS.

	Andrew
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