diff options
| author | Marc Zyngier <marc.zyngier@arm.com> | 2014-07-12 13:24:04 (GMT) |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-07-28 15:19:18 (GMT) |
| commit | ecf07a7930e9e9558bff70698515279f5a2c40d4 (patch) | |
| tree | 8fc9acafe4f516e5801ff2695305e365dfc10299 /arch/arm/include/asm/psci.h | |
| parent | f510aeae689925a660bff14683eef4147785d271 (diff) | |
| download | u-boot-fsl-qoriq-ecf07a7930e9e9558bff70698515279f5a2c40d4.tar.xz | |
ARM: HYP/non-sec: add generic ARMv7 PSCI code
Implement core support for PSCI. As this is generic code, it doesn't
implement anything really useful (all the functions are returning
Not Implemented).
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Diffstat (limited to 'arch/arm/include/asm/psci.h')
| -rw-r--r-- | arch/arm/include/asm/psci.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h new file mode 100644 index 0000000..704b4b0 --- /dev/null +++ b/arch/arm/include/asm/psci.h @@ -0,0 +1,35 @@ +/* + * 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 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) + +#endif /* __ARM_PSCI_H__ */ |