Re: [U-Boot] [PATCH 3/3] ARM: DRA74-evm: Use SMA_1 spare register to workaround DP83865 phy on SR2.0

2015-08-17 Thread Tom Rini
On Thu, Aug 13, 2015 at 09:51:00AM -0500, Nishanth Menon wrote: > DP83865 ethernet phy used on DRA74x-evm is quirky and the datasheet > provided IODELAY values for standard RGMII phys do not work. > > Silicon Revision(SR) 2.0 provides an alternative bit configuration > that allows us to do a "gro

[U-Boot] [PATCH 3/3] ARM: DRA74-evm: Use SMA_1 spare register to workaround DP83865 phy on SR2.0

2015-08-13 Thread Nishanth Menon
DP83865 ethernet phy used on DRA74x-evm is quirky and the datasheet provided IODELAY values for standard RGMII phys do not work. Silicon Revision(SR) 2.0 provides an alternative bit configuration that allows us to do a "gross adjustment" to launch the data off a different internal clock edge. Manu