drm/panthor: Don't add write fences to the shared BOs
[drm/drm-misc.git] / arch / sparc / include / asm / mc146818rtc_32.h
blobd8fd75da8d49d6c8c43545fa174e7a702e47d672
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * Machine dependent access functions for RTC registers.
4 */
5 #ifndef __ASM_SPARC_MC146818RTC_H
6 #define __ASM_SPARC_MC146818RTC_H
8 #include <asm/io.h>
10 #ifndef RTC_PORT
11 #define RTC_PORT(x) (0x70 + (x))
12 #define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */
13 #endif
16 * The yet supported machines all access the RTC index register via
17 * an ISA port access but the way to access the date register differs ...
19 #define CMOS_READ(addr) ({ \
20 outb_p((addr),RTC_PORT(0)); \
21 inb_p(RTC_PORT(1)); \
23 #define CMOS_WRITE(val, addr) ({ \
24 outb_p((addr),RTC_PORT(0)); \
25 outb_p((val),RTC_PORT(1)); \
28 #define RTC_IRQ 8
30 #endif /* __ASM_SPARC_MC146818RTC_H */