linux/linux-5.4.31/arch/sh/kernel/cpu/sh4a/serial-sh7722.c

25 lines
498 B
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,
};