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37 lines
798 B
37 lines
798 B
/*
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* Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef SP805_H
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#define SP805_H
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#include <lib/utils_def.h>
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/* SP805 register offset */
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#define SP805_WDOG_LOAD_OFF UL(0x000)
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#define SP805_WDOG_CTR_OFF UL(0x008)
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#define SP805_WDOG_LOCK_OFF UL(0xc00)
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/* Magic word to unlock the wd registers */
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#define WDOG_UNLOCK_KEY U(0x1ACCE551)
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/* Register field definitions */
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#define SP805_CTR_RESEN (U(1) << 1)
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#define SP805_CTR_INTEN (U(1) << 0)
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#ifndef __ASSEMBLER__
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#include <stdint.h>
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/* Public high level API */
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void sp805_start(uintptr_t base, unsigned int ticks);
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void sp805_stop(uintptr_t base);
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void sp805_refresh(uintptr_t base, unsigned int ticks);
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#endif /* __ASSEMBLER__ */
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#endif /* SP805_H */
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