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

   1 #include <linux/serial_sci.h>
   2 #include <linux/serial_core.h>
   3 #include <linux/io.h>
   4
   5 #define PSCR 0xA405011E
   6
   7 static void sh7722_sci_init_pins(struct uart_port *port, unsigned int cflag)
   8 {
   9         unsigned short data;
  10
  11         if (port->mapbase == 0xffe00000) {
  12                 data = __raw_readw(PSCR);
  13                 data &= ~0x03cf;
  14                 if (!(cflag & CRTSCTS))
  15                         data |= 0x0340;
  16
  17                 __raw_writew(data, PSCR);
  18         }
  19 }
  20
  21 struct plat_sci_port_ops sh7722_sci_port_ops = {
  22         .init_pins      = sh7722_sci_init_pins,
  23 };