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Diffstat (limited to 'arch/frv/include/asm/serial-regs.h')
-rw-r--r-- | arch/frv/include/asm/serial-regs.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/frv/include/asm/serial-regs.h b/arch/frv/include/asm/serial-regs.h new file mode 100644 index 000000000000..e1286bda00eb --- /dev/null +++ b/arch/frv/include/asm/serial-regs.h | |||
@@ -0,0 +1,44 @@ | |||
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 */ | ||