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e8166d3e59
This patch adds a helper API to explicitly refresh SBSA secure watchdog timer. Please refer section A.3 of the following spec: https://developer.arm.com/documentation/den0029/latest/ Change-Id: I2d0943792aea0092bee1e51d74b908348587e66b Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
30 lines
697 B
C
30 lines
697 B
C
/*
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* Copyright (c) 2019-2023, Arm Limited. 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 SBSA_H
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#define SBSA_H
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#include <stdint.h>
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/* SBSA Secure Watchdog Register Offsets */
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/* Refresh frame */
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#define SBSA_WDOG_WRR_OFFSET UL(0x000)
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#define SBSA_WDOG_WRR_REFRESH UL(0x1)
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/* Control and status frame */
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#define SBSA_WDOG_WCS_OFFSET UL(0x000)
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#define SBSA_WDOG_WOR_LOW_OFFSET UL(0x008)
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#define SBSA_WDOG_WOR_HIGH_OFFSET UL(0x00C)
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#define SBSA_WDOG_WCS_EN U(0x1)
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#define SBSA_WDOG_WOR_WIDTH UL(48)
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void sbsa_wdog_start(uintptr_t base, uint64_t ms);
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void sbsa_wdog_stop(uintptr_t base);
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void sbsa_wdog_refresh(uintptr_t refresh_base);
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#endif /* SBSA_H */
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