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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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