MPC52xx_PSC_OP_RTS
out_8(&PSC(port)->op1, MPC52xx_PSC_OP_RTS);
out_8(&PSC(port)->op0, MPC52xx_PSC_OP_RTS);
out_8(&PSC_5125(port)->op1, MPC52xx_PSC_OP_RTS);
out_8(&PSC_5125(port)->op0, MPC52xx_PSC_OP_RTS);