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 */