Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 46 insertions, 0 deletions

diff --git a/roms/u-boot/arch/arm/cpu/armv7/psci-common.c b/roms/u-boot/arch/arm/cpu/armv7/psci-common.c
new file mode 100644
index 000000000..a328b2bc0
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/psci-common.c
@@ -0,0 +1,46 @@
+/*
+ * Common PSCI functions
+ *
+ * Copyright (C) 2016 Chen-Yu Tsai
+ * Author: Chen-Yu Tsai <wens@csie.org>
+ *
+ * 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/>.
+ */
+
+#include <config.h>
+#include <asm/armv7.h>
+#include <asm/macro.h>
+#include <asm/psci.h>
+#include <asm/secure.h>
+#include <linux/linkage.h>
+
+static u32 psci_target_pc[CONFIG_ARMV7_PSCI_NR_CPUS] __secure_data = { 0 };
+static u32 psci_context_id[CONFIG_ARMV7_PSCI_NR_CPUS] __secure_data = { 0 };
+
+void __secure psci_save(int cpu, u32 pc, u32 context_id)
+{
+	psci_target_pc[cpu] = pc;
+	psci_context_id[cpu] = context_id;
+	dsb();
+}
+
+u32 __secure psci_get_target_pc(int cpu)
+{
+	return psci_target_pc[cpu];
+}
+
+u32 __secure psci_get_context_id(int cpu)
+{
+	return psci_context_id[cpu];
+}
+