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https://github.com/ARM-software/arm-trusted-firmware.git
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ebb44440a7
Supports dram/mainpll/26m off when system suspend Signed-off-by: Roger Lu <roger.lu@mediatek.com> Change-Id: Id13a06d4132f00fb60066de75920ecac18306e32
69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/*
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* Copyright (c) 2020, MediaTek Inc. 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 MT_SPM_H
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#define MT_SPM_H
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#include <lib/bakery_lock.h>
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#include <lib/spinlock.h>
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#include <plat_mtk_lpm.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() bakery_lock_get(&spm_lock)
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#define plat_spm_unlock() 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() spin_lock(&spm_lock)
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#define plat_spm_unlock() spin_unlock(&spm_lock)
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#endif
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#define MT_SPM_USING_SRCLKEN_RC
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/* spm extern operand definition */
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#define MT_SPM_EX_OP_CLR_26M_RECORD (1U << 0)
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#define MT_SPM_EX_OP_SET_WDT (1U << 1)
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#define MT_SPM_EX_OP_NON_GENERIC_RESOURCE_REQ (1U << 2)
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#define MT_SPM_EX_OP_SET_SUSPEND_MODE (1U << 3)
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#define MT_SPM_EX_OP_SET_IS_ADSP (1U << 4)
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#define MT_SPM_EX_OP_SRCLKEN_RC_BBLPM (1U << 5)
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#define MT_SPM_EX_OP_HW_S1_DETECT (1U << 6)
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typedef enum {
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WR_NONE = 0,
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WR_UART_BUSY = 1,
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WR_ABORT = 2,
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WR_PCM_TIMER = 3,
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WR_WAKE_SRC = 4,
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WR_DVFSRC = 5,
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WR_TWAM = 6,
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WR_PMSR = 7,
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WR_SPM_ACK_CHK = 8,
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WR_UNKNOWN = 9,
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} wake_reason_t;
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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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extern void spm_boot_init(void);
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#endif /* MT_SPM_H */
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