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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* 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 */