blob: e87d20e986e796edd3809be361dd5c330ce8052d (
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
|
/*
* 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 Jazz style attached Dallas chip.
*
* Copyright (C) 1998, 2001 by Ralf Baechle
*/
#include <linux/mc146818rtc.h>
#include <asm/io.h>
#include <asm/jazz.h>
static unsigned char jazz_rtc_read_data(unsigned long addr)
{
outb_p(addr, RTC_PORT(0));
return *(char *)JAZZ_RTC_BASE;
}
static void jazz_rtc_write_data(unsigned char data, unsigned long addr)
{
outb_p(addr, RTC_PORT(0));
*(char *)JAZZ_RTC_BASE = data;
}
static int jazz_rtc_bcd_mode(void)
{
return 0;
}
struct rtc_ops jazz_rtc_ops = {
&jazz_rtc_read_data,
&jazz_rtc_write_data,
&jazz_rtc_bcd_mode
};
|