CST0              604 drivers/net/wan/hd64570.c 	       sca_in(get_msci(port) + CST0, card),
CST0              553 drivers/net/wan/hd64572.c 	       sca_in(get_msci(port) + CST0, card),
CST0             2148 drivers/tty/synclinkmp.c 	while((status = read_reg(info,CST0)) & BIT0)