diff options
Diffstat (limited to 'include/asm-mips/mach-atlas/mc146818rtc.h')
-rw-r--r-- | include/asm-mips/mach-atlas/mc146818rtc.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/asm-mips/mach-atlas/mc146818rtc.h b/include/asm-mips/mach-atlas/mc146818rtc.h new file mode 100644 index 000000000000..397522ea5565 --- /dev/null +++ b/include/asm-mips/mach-atlas/mc146818rtc.h | |||
@@ -0,0 +1,58 @@ | |||
1 | /* | ||
2 | * Copyright (C) 1999, 2000, 2005 MIPS Technologies, Inc. | ||
3 | * All rights reserved. | ||
4 | * Authors: Carsten Langgaard <carstenl@mips.com> | ||
5 | * Maciej W. Rozycki <macro@mips.com> | ||
6 | * Copyright (C) 2003, 05 Ralf Baechle (ralf@linux-mips.org) | ||
7 | * | ||
8 | * This program is free software; you can distribute it and/or modify it | ||
9 | * under the terms of the GNU General Public License (Version 2) as | ||
10 | * published by the Free Software Foundation. | ||
11 | * | ||
12 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
15 | * for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License along | ||
18 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
19 | * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. | ||
20 | */ | ||
21 | #ifndef __ASM_MACH_ATLAS_MC146818RTC_H | ||
22 | #define __ASM_MACH_ATLAS_MC146818RTC_H | ||
23 | |||
24 | #include <linux/types.h> | ||
25 | |||
26 | #include <asm/addrspace.h> | ||
27 | |||
28 | #include <asm/mips-boards/atlas.h> | ||
29 | #include <asm/mips-boards/atlasint.h> | ||
30 | |||
31 | #define RTC_PORT(x) (ATLAS_RTC_ADR_REG + (x) * 8) | ||
32 | #define RTC_IO_EXTENT 0x100 | ||
33 | #define RTC_IOMAPPED 0 | ||
34 | #define RTC_IRQ ATLASINT_RTC | ||
35 | |||
36 | static inline unsigned char CMOS_READ(unsigned long addr) | ||
37 | { | ||
38 | volatile u32 *ireg = (void *)CKSEG1ADDR(RTC_PORT(0)); | ||
39 | volatile u32 *dreg = (void *)CKSEG1ADDR(RTC_PORT(1)); | ||
40 | |||
41 | *ireg = addr; | ||
42 | return *dreg; | ||
43 | } | ||
44 | |||
45 | static inline void CMOS_WRITE(unsigned char data, unsigned long addr) | ||
46 | { | ||
47 | volatile u32 *ireg = (void *)CKSEG1ADDR(RTC_PORT(0)); | ||
48 | volatile u32 *dreg = (void *)CKSEG1ADDR(RTC_PORT(1)); | ||
49 | |||
50 | *ireg = addr; | ||
51 | *dreg = data; | ||
52 | } | ||
53 | |||
54 | #define RTC_ALWAYS_BCD 0 | ||
55 | |||
56 | #define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1970) | ||
57 | |||
58 | #endif /* __ASM_MACH_ATLAS_MC146818RTC_H */ | ||