1 /*
2  * Copyright 2018-2020 NXP
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  *
6  */
7 
8 #ifndef PLAT_PSCI_H
9 #define PLAT_PSCI_H
10 
11  /* core abort current op */
12 #define CORE_ABORT_OP     0x1
13 
14  /* psci power levels - these are actually affinity levels
15   * in the psci_power_state_t array
16   */
17 #define PLAT_CORE_LVL  PSCI_CPU_PWR_LVL
18 #define PLAT_CLSTR_LVL U(1)
19 #define PLAT_SYS_LVL   U(2)
20 #define PLAT_MAX_LVL   PLAT_SYS_LVL
21 
22  /* core state */
23  /* OFF states 0x0 - 0xF */
24 #define CORE_IN_RESET     0x0
25 #define CORE_DISABLED     0x1
26 #define CORE_OFF          0x2
27 #define CORE_STANDBY      0x3
28 #define CORE_PWR_DOWN     0x4
29 #define CORE_WFE          0x6
30 #define CORE_WFI          0x7
31 #define CORE_LAST	  0x8
32 #define CORE_OFF_PENDING  0x9
33 #define CORE_WORKING_INIT 0xA
34 #define SYS_OFF_PENDING   0xB
35 #define SYS_OFF           0xC
36 
37  /* ON states 0x10 - 0x1F */
38 #define CORE_PENDING      0x10
39 #define CORE_RELEASED     0x11
40 #define CORE_WAKEUP       0x12
41  /* highest off state */
42 #define CORE_OFF_MAX	  0xF
43  /* lowest on state */
44 #define CORE_ON_MIN       CORE_PENDING
45 
46 #define  DAIF_SET_MASK          0x3C0
47 #define  SCTLR_I_C_M_MASK       0x00001005
48 #define  SCTLR_C_MASK           0x00000004
49 #define  SCTLR_I_MASK           0x00001000
50 #define  CPUACTLR_L1PCTL_MASK   0x0000E000
51 #define  DCSR_RCPM2_BASE        0x20170000
52 #define  CPUECTLR_SMPEN_MASK    0x40
53 #define  CPUECTLR_SMPEN_EN      0x40
54 #define  CPUECTLR_RET_MASK      0x7
55 #define  CPUECTLR_RET_SET       0x2
56 #define  CPUECTLR_TIMER_MASK    0x7
57 #define  CPUECTLR_TIMER_8TICKS  0x2
58 #define  SCR_IRQ_MASK           0x2
59 #define  SCR_FIQ_MASK           0x4
60 
61 /* pwr mgmt features supported in the soc-specific code:
62  *   value == 0x0, the soc code does not support this feature
63  *   value != 0x0, the soc code supports this feature
64  */
65 #define SOC_CORE_RELEASE      0x1
66 #define SOC_CORE_RESTART      0x1
67 #define SOC_CORE_OFF          0x1
68 #define SOC_CORE_STANDBY      0x1
69 #define SOC_CORE_PWR_DWN      0x1
70 #define SOC_CLUSTER_STANDBY   0x1
71 #define SOC_CLUSTER_PWR_DWN   0x1
72 #define SOC_SYSTEM_STANDBY    0x1
73 #define SOC_SYSTEM_PWR_DWN    0x1
74 #define SOC_SYSTEM_OFF        0x1
75 #define SOC_SYSTEM_RESET      0x1
76 #define SOC_SYSTEM_RESET2     0x1
77 
78 #ifndef __ASSEMBLER__
79 
80 void __dead2 _psci_system_reset(void);
81 void __dead2 _psci_system_off(void);
82 int _psci_cpu_on(u_register_t core_mask);
83 void _psci_cpu_prep_off(u_register_t core_mask);
84 void __dead2 _psci_cpu_off_wfi(u_register_t core_mask,
85 				u_register_t wakeup_address);
86 void __dead2 _psci_cpu_pwrdn_wfi(u_register_t core_mask,
87 				u_register_t wakeup_address);
88 void __dead2 _psci_sys_pwrdn_wfi(u_register_t core_mask,
89 				u_register_t wakeup_address);
90 void _psci_wakeup(u_register_t core_mask);
91 void _psci_core_entr_stdby(u_register_t core_mask);
92 void _psci_core_prep_stdby(u_register_t core_mask);
93 void _psci_core_exit_stdby(u_register_t core_mask);
94 void _psci_core_prep_pwrdn(u_register_t core_mask);
95 void _psci_core_exit_pwrdn(u_register_t core_mask);
96 void _psci_clstr_prep_stdby(u_register_t core_mask);
97 void _psci_clstr_exit_stdby(u_register_t core_mask);
98 void _psci_clstr_prep_pwrdn(u_register_t core_mask);
99 void _psci_clstr_exit_pwrdn(u_register_t core_mask);
100 void _psci_sys_prep_stdby(u_register_t core_mask);
101 void _psci_sys_exit_stdby(u_register_t core_mask);
102 void _psci_sys_prep_pwrdn(u_register_t core_mask);
103 void _psci_sys_exit_pwrdn(u_register_t core_mask);
104 
105 #endif
106 
107 #endif /* __PLAT_PSCI_H__ */
108