B44_ENET_CTRL
bw32(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE);
b44_wait_bit(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE, 200, 1);
bw32(bp, B44_ENET_CTRL, ENET_CTRL_EPSEL);
br32(bp, B44_ENET_CTRL);
val = br32(bp, B44_ENET_CTRL);
bw32(bp, B44_ENET_CTRL, (val | ENET_CTRL_ENABLE));