2 * Copyright (C) 2013 - ARM Ltd
3 * Author: Marc Zyngier <marc.zyngier@arm.com>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 #ifndef __ARM_PSCI_H__
19 #define __ARM_PSCI_H__
22 #define ARM_PSCI_FN_BASE 0x95c1ba5e
23 #define ARM_PSCI_FN(n) (ARM_PSCI_FN_BASE + (n))
25 #define ARM_PSCI_FN_CPU_SUSPEND ARM_PSCI_FN(0)
26 #define ARM_PSCI_FN_CPU_OFF ARM_PSCI_FN(1)
27 #define ARM_PSCI_FN_CPU_ON ARM_PSCI_FN(2)
28 #define ARM_PSCI_FN_MIGRATE ARM_PSCI_FN(3)
30 #define ARM_PSCI_RET_SUCCESS 0
31 #define ARM_PSCI_RET_NI (-1)
32 #define ARM_PSCI_RET_INVAL (-2)
33 #define ARM_PSCI_RET_DENIED (-3)
36 int psci_update_dt(void *fdt);
37 void psci_board_init(void);
38 #endif /* ! __ASSEMBLY__ */
40 #endif /* __ARM_PSCI_H__ */