1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/*
* Carsten Langgaard, carstenl@mips.com
* Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
*
* ########################################################################
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* ########################################################################
*
* RTC routines for Malta style attached PIIX4 device, which contains a
* Motorola MC146818A-compatible Real Time Clock.
*
*/
#include <linux/spinlock.h>
#include <linux/mc146818rtc.h>
#include <asm/mips-boards/malta.h>
static unsigned char malta_rtc_read_data(unsigned long addr)
{
outb(addr, MALTA_RTC_ADR_REG);
return inb(MALTA_RTC_DAT_REG);
}
static void malta_rtc_write_data(unsigned char data, unsigned long addr)
{
outb(addr, MALTA_RTC_ADR_REG);
outb(data, MALTA_RTC_DAT_REG);
}
static int malta_rtc_bcd_mode(void)
{
return 0;
}
struct rtc_ops malta_rtc_ops = {
&malta_rtc_read_data,
&malta_rtc_write_data,
&malta_rtc_bcd_mode
};
|
