LXR linux/arch/frv/include/asm/serial-regs.h

   1/* serial-regs.h: serial port registers
   2 *
   3 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
   4 * Written by David Howells (dhowells@redhat.com)
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public License
   8 * as published by the Free Software Foundation; either version
   9 * 2 of the License, or (at your option) any later version.
  10 */
  11
  12#ifndef _ASM_SERIAL_REGS_H
  13#define _ASM_SERIAL_REGS_H
  14
  15#include <linux/serial_reg.h>
  16#include <asm/irc-regs.h>
  17
  18#define SERIAL_ICLK     33333333        /* the target serial input clock */
  19#define UART0_BASE      0xfeff9c00
  20#define UART1_BASE      0xfeff9c40
  21
  22#define __get_UART0(R) ({ __reg(UART0_BASE + (R) * 8) >> 24; })
  23#define __get_UART1(R) ({ __reg(UART1_BASE + (R) * 8) >> 24; })
  24#define __set_UART0(R,V) do { __reg(UART0_BASE + (R) * 8) = (V) << 24; } while(0)
  25#define __set_UART1(R,V) do { __reg(UART1_BASE + (R) * 8) = (V) << 24; } while(0)
  26
  27#define __get_UART0_LSR() ({ __get_UART0(UART_LSR); })
  28#define __get_UART1_LSR() ({ __get_UART1(UART_LSR); })
  29
  30#define __set_UART0_IER(V) __set_UART0(UART_IER,(V))
  31#define __set_UART1_IER(V) __set_UART1(UART_IER,(V))
  32
  33/* serial prescaler select register */
  34#define __get_UCPSR()   ({ *(volatile unsigned long *)(0xfeff9c90); })
  35#define __set_UCPSR(V)  do { *(volatile unsigned long *)(0xfeff9c90) = (V); } while(0)
  36#define UCPSR_SELECT0   0x07000000
  37#define UCPSR_SELECT1   0x38000000
  38
  39/* serial prescaler base value register */
  40#define __get_UCPVR()   ({ *(volatile unsigned long *)(0xfeff9c98); mb(); })
  41#define __set_UCPVR(V)  do { *(volatile unsigned long *)(0xfeff9c98) = (V) << 24; mb(); } while(0)
  42
  43
  44#endif /* _ASM_SERIAL_REGS_H */
  45