GCB_MIIM_MII_STATUS
REG(GCB_MIIM_MII_STATUS, 0x0000ac),
[GCB_MIIM_MII_STATUS_PENDING] = REG_FIELD(GCB_MIIM_MII_STATUS, 2, 2),
[GCB_MIIM_MII_STATUS_BUSY] = REG_FIELD(GCB_MIIM_MII_STATUS, 3, 3),
ocelot->map[GCB][GCB_MIIM_MII_STATUS & REG_MASK],