1/*
 2 * RTC definitions for DECstation style attached Dallas DS1287 chip.
 3 *
 4 * Copyright (C) 1998, 2001 by Ralf Baechle
 5 * Copyright (C) 1998 by Harald Koerfgen
 6 * Copyright (C) 2002, 2005  Maciej W. Rozycki
 7 *
 8 * This program is free software; you can redistribute it and/or
 9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version
11 * 2 of the License, or (at your option) any later version.
12 */
13#ifndef __ASM_MIPS_DEC_RTC_DEC_H
14#define __ASM_MIPS_DEC_RTC_DEC_H
15
16#include <linux/types.h>
17#include <asm/addrspace.h>
18#include <asm/dec/system.h>
19
20extern volatile u8 *dec_rtc_base;
21
22#define ARCH_RTC_LOCATION
23
24#define RTC_PORT(x)	CPHYSADDR((long)dec_rtc_base)
25#define RTC_IO_EXTENT	dec_kn_slot_size
26#define RTC_IOMAPPED	0
27#undef RTC_IRQ
28
29#define RTC_DEC_YEAR	0x3f	/* Where we store the real year on DECs.  */
30
31static inline unsigned char CMOS_READ(unsigned long addr)
32{
33	return dec_rtc_base[addr * 4];
34}
35
36static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
37{
38	dec_rtc_base[addr * 4] = data;
39}
40
41#define RTC_ALWAYS_BCD	0
42
43#endif /* __ASM_MIPS_DEC_RTC_DEC_H */

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * RTC definitions for DECstation style attached Dallas DS1287 chip.
 4 *
 5 * Copyright (C) 1998, 2001 by Ralf Baechle
 6 * Copyright (C) 1998 by Harald Koerfgen
 7 * Copyright (C) 2002, 2005  Maciej W. Rozycki
 
 
 
 
 
 8 */
 9#ifndef __ASM_MIPS_DEC_RTC_DEC_H
10#define __ASM_MIPS_DEC_RTC_DEC_H
11
12#include <linux/types.h>
13#include <asm/addrspace.h>
14#include <asm/dec/system.h>
15
16extern volatile u8 *dec_rtc_base;
17
18#define ARCH_RTC_LOCATION
19
20#define RTC_PORT(x)	CPHYSADDR((long)dec_rtc_base)
21#define RTC_IO_EXTENT	dec_kn_slot_size
22#define RTC_IOMAPPED	0
23#undef RTC_IRQ
24
25#define RTC_DEC_YEAR	0x3f	/* Where we store the real year on DECs.  */
26
27static inline unsigned char CMOS_READ(unsigned long addr)
28{
29	return dec_rtc_base[addr * 4];
30}
31
32static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
33{
34	dec_rtc_base[addr * 4] = data;
35}
36
37#define RTC_ALWAYS_BCD	0
38
39#endif /* __ASM_MIPS_DEC_RTC_DEC_H */