blob: e76ecb27a7fc0bdb3a8b3e2455b6b67f3f4902fa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* Copyright (C) 2013 - ARM Ltd
* Author: Marc Zyngier <marc.zyngier@arm.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ARM_PSCI_H__
#define __ARM_PSCI_H__
/* PSCI 0.1 interface */
#define ARM_PSCI_FN_BASE 0x95c1ba5e
#define ARM_PSCI_FN(n) (ARM_PSCI_FN_BASE + (n))
#define ARM_PSCI_FN_CPU_SUSPEND ARM_PSCI_FN(0)
#define ARM_PSCI_FN_CPU_OFF ARM_PSCI_FN(1)
#define ARM_PSCI_FN_CPU_ON ARM_PSCI_FN(2)
#define ARM_PSCI_FN_MIGRATE ARM_PSCI_FN(3)
#define ARM_PSCI_RET_SUCCESS 0
#define ARM_PSCI_RET_NI (-1)
#define ARM_PSCI_RET_INVAL (-2)
#define ARM_PSCI_RET_DENIED (-3)
/* PSCI 0.2 interface */
#define ARM_PSCI_0_2_FN_BASE 0x84000000
#define ARM_PSCI_0_2_FN(n) (ARM_PSCI_0_2_FN_BASE + (n))
#define ARM_PSCI_0_2_FN_PSCI_VERSION ARM_PSCI_0_2_FN(0)
#define ARM_PSCI_0_2_FN_CPU_SUSPEND ARM_PSCI_0_2_FN(1)
#define ARM_PSCI_0_2_FN_CPU_OFF ARM_PSCI_0_2_FN(2)
#define ARM_PSCI_0_2_FN_CPU_ON ARM_PSCI_0_2_FN(3)
#define ARM_PSCI_0_2_FN_AFFINITY_INFO ARM_PSCI_0_2_FN(4)
#define ARM_PSCI_0_2_FN_MIGRATE ARM_PSCI_0_2_FN(5)
#define ARM_PSCI_0_2_FN_MIGRATE_INFO_TYPE ARM_PSCI_0_2_FN(6)
#define ARM_PSCI_0_2_FN_MIGRATE_INFO_UP_CPU ARM_PSCI_0_2_FN(7)
#define ARM_PSCI_0_2_FN_SYSTEM_OFF ARM_PSCI_0_2_FN(8)
#define ARM_PSCI_0_2_FN_SYSTEM_RESET ARM_PSCI_0_2_FN(9)
/* 1KB stack per core */
#define ARM_PSCI_STACK_SHIFT 10
#define ARM_PSCI_STACK_SIZE (1 << ARM_PSCI_STACK_SHIFT)
#ifndef __ASSEMBLY__
#include <asm/types.h>
/* These 2 helper functions assume cpu < CONFIG_ARMV7_PSCI_NR_CPUS */
u32 psci_get_target_pc(int cpu);
void psci_save_target_pc(int cpu, u32 pc);
void psci_cpu_entry(void);
u32 psci_get_cpu_id(void);
void psci_cpu_off_common(void);
int psci_update_dt(void *fdt);
void psci_board_init(void);
int fdt_psci(void *fdt);
#endif /* ! __ASSEMBLY__ */
#endif /* __ARM_PSCI_H__ */
|
