ARM: HYP/non-sec: add generic ARMv7 PSCI code

[karo-tx-uboot.git] / arch / arm / include / asm / psci.h

diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h
new file mode 100644 (file)
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__ */