K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2018-05-28T20:06:40.285593Z
K 7
svn:log
V 263
if_muge: Add GMII enable (vs RGMII) bit

The GMII control bit ETH_MAC_CR_GMII_EN_ is not documented in
LAN78xx datasheets, but from the permissively licensed header provided
by Microchip it is:

 #define ETH_MAC_CR_GMII_EN (0x00080000UL ) // GMII/RGMII Selection

END