| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Machine dependent access functions for RTC registers. |
| */ |
| #ifndef _ASM_MC146818RTC_H |
| #define _ASM_MC146818RTC_H |
| |
| |
| #ifdef CONFIG_ATARI |
| /* RTC in Atari machines */ |
| |
| #include <asm/atarihw.h> |
| |
| #define ATARI_RTC_PORT(x) (TT_RTC_BAS + 2*(x)) |
| #define RTC_ALWAYS_BCD 0 |
| |
| #define CMOS_READ(addr) ({ \ |
| atari_outb_p((addr), ATARI_RTC_PORT(0)); \ |
| atari_inb_p(ATARI_RTC_PORT(1)); \ |
| }) |
| #define CMOS_WRITE(val, addr) ({ \ |
| atari_outb_p((addr), ATARI_RTC_PORT(0)); \ |
| atari_outb_p((val), ATARI_RTC_PORT(1)); \ |
| }) |
| #endif /* CONFIG_ATARI */ |
| |
| #endif /* _ASM_MC146818RTC_H */ |
