max310x_port_update(port, MAX310X_MODE2_REG,
MAX310X_MODE2_FIFORST_BIT, 0);
+ /* Configure mode1/mode2 to have rs485/rs232 enabled at startup */
+ val = (clamp(port->rs485.delay_rts_before_send, 0U, 15U) << 4) |
+ clamp(port->rs485.delay_rts_after_send, 0U, 15U);
+ max310x_port_write(port, MAX310X_HDPIXDELAY_REG, val);
+
+ if (port->rs485.flags & SER_RS485_ENABLED) {
+ max310x_port_update(port, MAX310X_MODE1_REG,
+ MAX310X_MODE1_TRNSCVCTRL_BIT,
+ MAX310X_MODE1_TRNSCVCTRL_BIT);
+
+ if (!(port->rs485.flags & SER_RS485_RX_DURING_TX))
+ max310x_port_update(port, MAX310X_MODE2_REG,
+ MAX310X_MODE2_ECHOSUPR_BIT,
+ MAX310X_MODE2_ECHOSUPR_BIT);
+ }
+
/* Configure flow control levels */
/* Flow control halt level 96, resume level 48 */
max310x_port_write(port, MAX310X_FLOWLVL_REG,