root/arch/sh/kernel/cpu/sh4a/serial-sh7722.c
// SPDX-License-Identifier: GPL-2.0
#include <linux/serial_sci.h>
#include <linux/serial_core.h>
#include <linux/io.h>

#define PSCR 0xA405011E

static void sh7722_sci_init_pins(struct uart_port *port, unsigned int cflag)
{
        unsigned short data;

        if (port->mapbase == 0xffe00000) {
                data = __raw_readw(PSCR);
                data &= ~0x03cf;
                if (!(cflag & CRTSCTS))
                        data |= 0x0340;

                __raw_writew(data, PSCR);
        }
}

struct plat_sci_port_ops sh7722_sci_port_ops = {
        .init_pins      = sh7722_sci_init_pins,
};