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Diffstat (limited to 'include/asm-mips/mach-ddb5074/mc146818rtc.h')
-rw-r--r--include/asm-mips/mach-ddb5074/mc146818rtc.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/asm-mips/mach-ddb5074/mc146818rtc.h b/include/asm-mips/mach-ddb5074/mc146818rtc.h
new file mode 100644
index 000000000000..2eb9acb10a5a
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+++ b/include/asm-mips/mach-ddb5074/mc146818rtc.h
@@ -0,0 +1,31 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1998, 2001, 03 by Ralf Baechle
7 *
8 * RTC routines for PC style attached Dallas chip.
9 */
10#ifndef __ASM_MACH_DDB5074_MC146818RTC_H
11#define __ASM_MACH_DDB5074_MC146818RTC_H
12
13#include <asm/ddb5xxx/ddb5074.h>
14#include <asm/ddb5xxx/ddb5xxx.h>
15
16#define RTC_PORT(x) (0x70 + (x))
17#define RTC_IRQ 8
18
19static inline unsigned char CMOS_READ(unsigned long addr)
20{
21 return *(volatile unsigned char *)(KSEG1ADDR(DDB_PCI_MEM_BASE)+addr);
22}
23
24static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
25{
26 *(volatile unsigned char *)(KSEG1ADDR(DDB_PCI_MEM_BASE)+addr) = data;
27}
28
29#define RTC_ALWAYS_BCD 1
30
31#endif /* __ASM_MACH_DDB5074_MC146818RTC_H */