diff options
Diffstat (limited to 'include/mk48t59.h')
| -rw-r--r-- | include/mk48t59.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/mk48t59.h b/include/mk48t59.h new file mode 100644 index 0000000..5d863ef --- /dev/null +++ b/include/mk48t59.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Andreas Heppel <aheppel@sysgo.de> + */ + +/* + * Date & Time support for the MK48T59 RTC + */ + + +#if defined(CONFIG_RTC_MK48T59) && defined(CONFIG_CMD_DATE) + +#define RTC_PORT_ADDR0 CONFIG_SYS_ISA_IO + 0x70 +#define RTC_PORT_ADDR1 RTC_PORT_ADDR0 + 0x1 +#define RTC_PORT_DATA CONFIG_SYS_ISA_IO + 0x76 + +/* RTC Offsets */ +#define RTC_SECONDS 0x1FF9 +#define RTC_MINUTES 0x1FFA +#define RTC_HOURS 0x1FFB +#define RTC_DAY_OF_WEEK 0x1FFC +#define RTC_DAY_OF_MONTH 0x1FFD +#define RTC_MONTH 0x1FFE +#define RTC_YEAR 0x1FFF + +#define RTC_CONTROLA 0x1FF8 +#define RTC_CA_WRITE 0x80 +#define RTC_CA_READ 0x40 +#define RTC_CA_CALIB_SIGN 0x20 +#define RTC_CA_CALIB_MASK 0x1f + +#define RTC_CONTROLB 0x1FF9 +#define RTC_CB_STOP 0x80 + +#define RTC_WATCHDOG 0x1FF7 +#define RTC_WDS 0x80 +#define RTC_WD_RB_16TH 0x0 +#define RTC_WD_RB_4TH 0x1 +#define RTC_WD_RB_1 0x2 +#define RTC_WD_RB_4 0x3 + +void rtc_set_watchdog(short multi, short res); +void *nvram_read(void *dest, const short src, size_t count); +void nvram_write(short dest, const void *src, size_t count); + +#endif |