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