xref: /linux/arch/sh/kernel/cpu/sh4a/serial-sh7722.c (revision 498495dba268b20e8eadd7fe93c140c68b6cc9d2)
1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/serial_sci.h>
3 #include <linux/serial_core.h>
4 #include <linux/io.h>
5 
6 #define PSCR 0xA405011E
7 
sh7722_sci_init_pins(struct uart_port * port,unsigned int cflag)8 static void sh7722_sci_init_pins(struct uart_port *port, unsigned int cflag)
9 {
10 	unsigned short data;
11 
12 	if (port->mapbase == 0xffe00000) {
13 		data = __raw_readw(PSCR);
14 		data &= ~0x03cf;
15 		if (!(cflag & CRTSCTS))
16 			data |= 0x0340;
17 
18 		__raw_writew(data, PSCR);
19 	}
20 }
21 
22 struct plat_sci_port_ops sh7722_sci_port_ops = {
23 	.init_pins	= sh7722_sci_init_pins,
24 };
25