xref: /openbmc/u-boot/arch/arm/include/asm/psci.h (revision 1021af4d)
1 /*
2  * Copyright (C) 2013 - ARM Ltd
3  * Author: Marc Zyngier <marc.zyngier@arm.com>
4  *
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.
8  *
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.
13  *
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/>.
16  */
17 
18 #ifndef __ARM_PSCI_H__
19 #define __ARM_PSCI_H__
20 
21 /* PSCI interface */
22 #define ARM_PSCI_FN_BASE		0x95c1ba5e
23 #define ARM_PSCI_FN(n)			(ARM_PSCI_FN_BASE + (n))
24 
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)
29 
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)
34 
35 #endif /* __ARM_PSCI_H__ */
36