B44_CAM_CTRL
bw32(bp, B44_CAM_CTRL, 0);
val = br32(bp, B44_CAM_CTRL);
bw32(bp, B44_CAM_CTRL, val | CAM_CTRL_ENABLE);
val = br32(bp, B44_CAM_CTRL);
bw32(bp, B44_CAM_CTRL, val | CAM_CTRL_ENABLE);
bw32(bp, B44_CAM_CTRL, (CAM_CTRL_WRITE |
b44_wait_bit(bp, B44_CAM_CTRL, CAM_CTRL_BUSY, 100, 1);