From: Kedareswara rao Appana <appana.durga....@xilinx.com> Date: Wed, 10 Aug 2016 11:20:05 +0530
> The Gigabit Media Independent Interface (GMII) to Reduced Gigabit Media > Independent Interface (RGMII) core provides the RGMII between RGMII-compliant > Ethernet physical media devices (PHY) and the Gigabit Ethernet controller. > This core can be used in all three modes of operation(10/100/1000 Mb/s). > The Management Data Input/Output (MDIO) interface is used to configure the > Speed of operation. This core can switch dynamically between the three > Different speed modes by configuring the conveter register through mdio write. > > The conveter sits b/w the MAC and external phy like below > > MACB <==> GMII2RGMII <==> RGMII_PHY > > MDIO <========> GMII2RGMII > MCAB <=======> > <========> RGMII > > Using MAC MDIO bus we can access both the converter and the external PHY. > We need to program the line speed of the converter during run time based > On the external phy negotiated speed. > > This patch series does the below > ---> Add mask for Control register 10Mbps speed. > ---> Add support for xilinx gmiitorgmii converter. Series applied, thanks.
