tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Machine dependent access functions for RTC registers.
3 */
4#ifndef __ASM_SPARC64_MC146818RTC_H
5#define __ASM_SPARC64_MC146818RTC_H
6
7#include <linux/config.h>
8#include <asm/io.h>
9
10#ifndef RTC_PORT
11#ifdef CONFIG_PCI
12extern unsigned long ds1287_regs;
13#else
14#define ds1287_regs (0UL)
15#endif
16#define RTC_PORT(x) (ds1287_regs + (x))
17#define RTC_ALWAYS_BCD 0
18#endif
19
20/*
21 * The yet supported machines all access the RTC index register via
22 * an ISA port access but the way to access the date register differs ...
23 */
24#define CMOS_READ(addr) ({ \
25outb_p((addr),RTC_PORT(0)); \
26inb_p(RTC_PORT(1)); \
27})
28#define CMOS_WRITE(val, addr) ({ \
29outb_p((addr),RTC_PORT(0)); \
30outb_p((val),RTC_PORT(1)); \
31})
32
33#define RTC_IRQ 8
34
35#endif /* __ASM_SPARC64_MC146818RTC_H */