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https://github.com/ARM-software/arm-trusted-firmware.git
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a24b53e0e5
This patch mainly initializes the SPM and provides common APIs for SPM to enable the use of its various features. Signed-off-by: Wenzhen Yu <wenzhen.yu@mediatek.com> Change-Id: I9facb6bf9962bb2d5fcacd945846bfaeb4c87a55
53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
/*
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* Copyright (c) 2025, Mediatek Inc. All rights resrved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef MT_SPM_COMMON_H
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#define MT_SPM_COMMON_H
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#include <lib/bakery_lock.h>
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#include <lib/spinlock.h>
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/*
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* ARM v8.2, the cache will turn off automatically when cpu
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* power down. So, there is no doubt to use the spin_lock here
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*/
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#if !HW_ASSISTED_COHERENCY
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#define MT_SPM_USING_BAKERY_LOCK
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#endif
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#ifdef MT_SPM_USING_BAKERY_LOCK
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DECLARE_BAKERY_LOCK(spm_lock);
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#define plat_spm_lock() \
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bakery_lock_get(&spm_lock)
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#define plat_spm_unlock() \
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bakery_lock_release(&spm_lock)
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#else
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extern spinlock_t spm_lock;
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#define plat_spm_lock() \
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spin_lock(&spm_lock)
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#define plat_spm_unlock() \
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spin_unlock(&spm_lock)
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#endif
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#define MT_SPM_ERR_NO_FW_LOAD -1
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#define MT_SPM_ERR_KICKED -2
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#define MT_SPM_ERR_RUNNING -3
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#define MT_SPM_ERR_FW_NOT_FOUND -4
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#define MT_SPM_ERR_INVALID -5
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#define MT_SPM_ERR_OVERFLOW -6
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static inline void spm_lock_get(void)
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{
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plat_spm_lock();
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}
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static inline void spm_lock_release(void)
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{
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plat_spm_unlock();
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}
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#endif /* MT_SPM_COMMON_H */
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