ARC_RC_INB_DOORBELL
arc_write(sc, ARC_RC_INB_DOORBELL, ARC_RC_D2I_DATA_READ_OK);
arc_write(sc, ARC_RC_INB_DOORBELL,
arc_write(sc, ARC_RC_INB_DOORBELL,
arc_write(sc, ARC_RC_INB_DOORBELL, ARC_RC_D2I_MSG_CMD_DONE);
arc_write(sc, ARC_RC_INB_DOORBELL,
arc_write(sc, ARC_RC_INB_DOORBELL,