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- /*
- * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
- #ifndef RTC_H
- #define RTC_H
- /* RTC registers */
- enum {
- RTC_BBPU = 0xE000,
- RTC_IRQ_STA = 0xE002,
- RTC_IRQ_EN = 0xE004,
- RTC_CII_EN = 0xE006
- };
- enum {
- RTC_OSC32CON = 0xE026,
- RTC_CON = 0xE03E,
- RTC_WRTGR = 0xE03C
- };
- enum {
- RTC_PDN1 = 0xE02C,
- RTC_PDN2 = 0xE02E,
- RTC_SPAR0 = 0xE030,
- RTC_SPAR1 = 0xE032,
- RTC_PROT = 0xE036,
- RTC_DIFF = 0xE038,
- RTC_CALI = 0xE03A
- };
- enum {
- RTC_PROT_UNLOCK1 = 0x586A,
- RTC_PROT_UNLOCK2 = 0x9136
- };
- enum {
- RTC_BBPU_PWREN = 1U << 0,
- RTC_BBPU_BBPU = 1U << 2,
- RTC_BBPU_AUTO = 1U << 3,
- RTC_BBPU_CLRPKY = 1U << 4,
- RTC_BBPU_RELOAD = 1U << 5,
- RTC_BBPU_CBUSY = 1U << 6
- };
- enum {
- RTC_BBPU_KEY = 0x43 << 8
- };
- /* external API */
- uint16_t RTC_Read(uint32_t addr);
- void RTC_Write(uint32_t addr, uint16_t data);
- int32_t rtc_busy_wait(void);
- int32_t RTC_Write_Trigger(void);
- int32_t Writeif_unlock(void);
- void rtc_bbpu_power_down(void);
- #endif /* RTC_H */
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