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1da177e4 LT |
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 */ |