blob: f138ff27fd5e5fa65762673089150cefa6f55c13 (
plain)
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
|
/* $Id$
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* RTC routines for Indy style attached Dallas chip.
*
* Copyright (C) 1998 by Ralf Baechle
*/
#include <linux/mc146818rtc.h>
#include <asm/sgi/sgihpc.h>
static unsigned char indy_rtc_read_data(unsigned long addr)
{
volatile unsigned int *rtcregs = (void *)INDY_CLOCK_REGS;
return rtcregs[addr];
}
static void indy_rtc_write_data(unsigned char data, unsigned long addr)
{
volatile unsigned int *rtcregs = (void *)INDY_CLOCK_REGS;
rtcregs[addr] = data;
}
static int indy_rtc_bcd_mode(void)
{
return 0;
}
struct rtc_ops indy_rtc_ops = {
&indy_rtc_read_data,
&indy_rtc_write_data,
&indy_rtc_bcd_mode
};
|