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

https://bitbucket.org/thekraven/iscream_thunderc-2.6.35
C++ Header | 44 lines | 22 code | 10 blank | 12 comment | 0 complexity | 7f51776964be21bebd21969325bd6e19 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
 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 */