1 /*
2 * Copyright (c) 2022, MediaTek Inc. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #ifndef MT_SPM_H
8 #define MT_SPM_H
9
10 #include <lib/bakery_lock.h>
11 #include <lib/spinlock.h>
12 #include <plat_mtk_lpm.h>
13
14 /*
15 * ARM v8.2, the cache will turn off automatically when cpu
16 * power down. Therefore, there is no doubt to use the spin_lock here.
17 */
18 #if !HW_ASSISTED_COHERENCY
19 #define MT_SPM_USING_BAKERY_LOCK
20 #endif
21
22 #ifdef MT_SPM_USING_BAKERY_LOCK
23 DECLARE_BAKERY_LOCK(spm_lock);
24 #define plat_spm_lock() bakery_lock_get(&spm_lock)
25 #define plat_spm_unlock() bakery_lock_release(&spm_lock)
26 #else
27 extern spinlock_t spm_lock;
28 #define plat_spm_lock() spin_lock(&spm_lock)
29 #define plat_spm_unlock() spin_unlock(&spm_lock)
30 #endif
31
32 #define MT_SPM_USING_SRCLKEN_RC
33
34 /* spm extern operand definition */
35 #define MT_SPM_EX_OP_CLR_26M_RECORD BIT(0)
36 #define MT_SPM_EX_OP_SET_WDT BIT(1)
37 #define MT_SPM_EX_OP_NON_GENERIC_RESOURCE_REQ BIT(2)
38 #define MT_SPM_EX_OP_SET_SUSPEND_MODE BIT(3)
39 #define MT_SPM_EX_OP_SET_IS_ADSP BIT(4)
40 #define MT_SPM_EX_OP_SRCLKEN_RC_BBLPM BIT(5)
41 #define MT_SPM_EX_OP_HW_S1_DETECT BIT(6)
42 #define MT_SPM_EX_OP_TRACE_LP BIT(7)
43 #define MT_SPM_EX_OP_TRACE_SUSPEND BIT(8)
44 #define MT_SPM_EX_OP_TRACE_TIMESTAMP_EN BIT(9)
45 #define MT_SPM_EX_OP_TIME_CHECK BIT(10)
46 #define MT_SPM_EX_OP_TIME_OBS BIT(11)
47
48 typedef enum {
49 WR_NONE = 0,
50 WR_UART_BUSY = 1,
51 WR_ABORT = 2,
52 WR_PCM_TIMER = 3,
53 WR_WAKE_SRC = 4,
54 WR_DVFSRC = 5,
55 WR_TWAM = 6,
56 WR_PMSR = 7,
57 WR_SPM_ACK_CHK = 8,
58 WR_UNKNOWN = 9,
59 } wake_reason_t;
60
61 /* for suspend vol. bin settings */
62 enum MT_PLAT_SUSPEND_VCORE {
63 SPM_SUSPEND_VCORE_5500 = 0,
64 SPM_SUSPEND_VCORE_5250 = 1,
65 SPM_SUSPEND_VCORE_5000 = 2,
66 };
67
68 extern void spm_boot_init(void);
69
spm_lock_get(void)70 static inline void spm_lock_get(void)
71 {
72 plat_spm_lock();
73 }
74
spm_lock_release(void)75 static inline void spm_lock_release(void)
76 {
77 plat_spm_unlock();
78 }
79
80 unsigned int spm_get_suspend_vcore_voltage_idx(void);
81
82 #endif /* MT_SPM_H */
83