1 /*
2  * Copyright 2018-2021 NXP
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  *
6  */
7 
8 #ifndef PLAT_PSCI_H
9 #define PLAT_PSCI_H
10 #include <cortex_a53.h>
11 #include <cortex_a72.h>
12 
13  /* core abort current op */
14 #define CORE_ABORT_OP     0x1
15 
16  /* psci power levels - these are actually affinity levels
17   * in the psci_power_state_t array
18   */
19 #define PLAT_CORE_LVL  PSCI_CPU_PWR_LVL
20 #define PLAT_CLSTR_LVL U(1)
21 #define PLAT_SYS_LVL   U(2)
22 #define PLAT_MAX_LVL   PLAT_SYS_LVL
23 
24  /* core state */
25  /* OFF states 0x0 - 0xF */
26 #define CORE_IN_RESET     0x0
27 #define CORE_DISABLED     0x1
28 #define CORE_OFF          0x2
29 #define CORE_STANDBY      0x3
30 #define CORE_PWR_DOWN     0x4
31 #define CORE_WFE          0x6
32 #define CORE_WFI          0x7
33 #define CORE_LAST	  0x8
34 #define CORE_OFF_PENDING  0x9
35 #define CORE_WORKING_INIT 0xA
36 #define SYS_OFF_PENDING   0xB
37 #define SYS_OFF           0xC
38 
39  /* ON states 0x10 - 0x1F */
40 #define CORE_PENDING      0x10
41 #define CORE_RELEASED     0x11
42 #define CORE_WAKEUP       0x12
43  /* highest off state */
44 #define CORE_OFF_MAX	  0xF
45  /* lowest on state */
46 #define CORE_ON_MIN       CORE_PENDING
47 
48 #define  DAIF_SET_MASK          0x3C0
49 #define  SCTLR_I_C_M_MASK       0x00001005
50 #define  SCTLR_C_MASK           0x00000004
51 #define  SCTLR_I_MASK           0x00001000
52 #define  CPUACTLR_L1PCTL_MASK   0x0000E000
53 #define  DCSR_RCPM2_BASE        0x20170000
54 #define  CPUECTLR_SMPEN_MASK    0x40
55 #define  CPUECTLR_SMPEN_EN      0x40
56 #define  CPUECTLR_RET_MASK      0x7
57 #define  CPUECTLR_RET_SET       0x2
58 #define  CPUECTLR_TIMER_MASK    0x7
59 #define  CPUECTLR_TIMER_8TICKS  0x2
60 #define  CPUECTLR_TIMER_2TICKS  0x1
61 #define  SCR_IRQ_MASK           0x2
62 #define  SCR_FIQ_MASK           0x4
63 
64 /* pwr mgmt features supported in the soc-specific code:
65  *   value == 0x0, the soc code does not support this feature
66  *   value != 0x0, the soc code supports this feature
67  */
68 #ifndef SOC_CORE_RELEASE
69 #define SOC_CORE_RELEASE      0x1
70 #endif
71 
72 #ifndef SOC_CORE_RESTART
73 #define SOC_CORE_RESTART      0x1
74 #endif
75 
76 #ifndef SOC_CORE_OFF
77 #define SOC_CORE_OFF          0x1
78 #endif
79 
80 #ifndef SOC_CORE_STANDBY
81 #define SOC_CORE_STANDBY      0x1
82 #endif
83 
84 #ifndef SOC_CORE_PWR_DWN
85 #define SOC_CORE_PWR_DWN      0x1
86 #endif
87 
88 #ifndef SOC_CLUSTER_STANDBY
89 #define SOC_CLUSTER_STANDBY   0x1
90 #endif
91 
92 #ifndef SOC_CLUSTER_PWR_DWN
93 #define SOC_CLUSTER_PWR_DWN   0x1
94 #endif
95 
96 #ifndef SOC_SYSTEM_STANDBY
97 #define SOC_SYSTEM_STANDBY    0x1
98 #endif
99 
100 #ifndef SOC_SYSTEM_PWR_DWN
101 #define SOC_SYSTEM_PWR_DWN    0x1
102 #endif
103 
104 #ifndef SOC_SYSTEM_OFF
105 #define SOC_SYSTEM_OFF        0x1
106 #endif
107 
108 #ifndef SOC_SYSTEM_RESET
109 #define SOC_SYSTEM_RESET      0x1
110 #endif
111 
112 #ifndef SOC_SYSTEM_RESET2
113 #define SOC_SYSTEM_RESET2     0x1
114 #endif
115 
116 #ifndef __ASSEMBLER__
117 
118 void __dead2 _psci_system_reset(void);
119 void __dead2 _psci_system_off(void);
120 int _psci_cpu_on(u_register_t core_mask);
121 void _psci_cpu_prep_off(u_register_t core_mask);
122 void __dead2 _psci_cpu_off_wfi(u_register_t core_mask,
123 				u_register_t wakeup_address);
124 void __dead2 _psci_cpu_pwrdn_wfi(u_register_t core_mask,
125 				u_register_t wakeup_address);
126 void __dead2 _psci_sys_pwrdn_wfi(u_register_t core_mask,
127 				u_register_t wakeup_address);
128 void _psci_wakeup(u_register_t core_mask);
129 void _psci_core_entr_stdby(u_register_t core_mask);
130 void _psci_core_prep_stdby(u_register_t core_mask);
131 void _psci_core_exit_stdby(u_register_t core_mask);
132 void _psci_core_prep_pwrdn(u_register_t core_mask);
133 void _psci_core_exit_pwrdn(u_register_t core_mask);
134 void _psci_clstr_prep_stdby(u_register_t core_mask);
135 void _psci_clstr_exit_stdby(u_register_t core_mask);
136 void _psci_clstr_prep_pwrdn(u_register_t core_mask);
137 void _psci_clstr_exit_pwrdn(u_register_t core_mask);
138 void _psci_sys_prep_stdby(u_register_t core_mask);
139 void _psci_sys_exit_stdby(u_register_t core_mask);
140 void _psci_sys_prep_pwrdn(u_register_t core_mask);
141 void _psci_sys_exit_pwrdn(u_register_t core_mask);
142 
143 #endif
144 
145 #endif /* __PLAT_PSCI_H__ */
146