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2015-02-26amd-xgbe-phy: PHY KX/KR mode differencesTom Lendacky1-0/+4
The PHY requires different settings for the Decision Feedback Analyzer (DFE) when running in KX mode vs. KR mode. Update the code to change these settings when changing modes in order to provide a more stable link. Additionally, adjust the 10GbE PQ skew default setting to a more sane value. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-17amd-xgbe-phy: Allow certain PHY settings to be set by UEFILendacky, Thomas1-0/+16
Certain PHY settings need to be configurable by UEFI depending on the platform being used. Add new device tree / ACPI properties that, if present, will override the pre-determined values currently used. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-17amd-xgbe-phy: Change auto-negotiation logicLendacky, Thomas1-0/+5
The auto negotiation logic was geared to being the initiator of the auto negotiation. This presented problems when auto negotiation was initiated by the remote end. Change the auto negotiation logic to make use of the auto negotiation event interrupt thus allowing the auto negotiation state machine to function properly in either scenario. This also removes the polling during auto-negotiation. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-31amd-xgbe: Update/fix 2.5GbE supportLendacky, Thomas1-0/+6
Update the amd-xgbe driver and phylib driver to better support the 2.5GbE mode for the hardware. In order to be able establish 2.5GbE using clause 73 auto negotiation the device will support speed sets of 1GbE/10GbE and 2.5GbE/10GbE. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-06amd-xgbe: AMD 10GbE device bindings documentationLendacky, Thomas1-0/+17
This patch provides the documentation of the device bindings for the AMD 10GbE platform driver. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>