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-rw-r--r--arch/arm/cpu/armv7/exynos/Makefile2
-rw-r--r--arch/arm/cpu/armv7/exynos/tzpc.c48
2 files changed, 49 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/exynos/Makefile b/arch/arm/cpu/armv7/exynos/Makefile
index 9119961d95..b2f9152e1b 100644
--- a/arch/arm/cpu/armv7/exynos/Makefile
+++ b/arch/arm/cpu/armv7/exynos/Makefile
@@ -22,7 +22,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).o
-COBJS += clock.o power.o soc.o system.o pinmux.o
+COBJS += clock.o power.o soc.o system.o pinmux.o tzpc.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
diff --git a/arch/arm/cpu/armv7/exynos/tzpc.c b/arch/arm/cpu/armv7/exynos/tzpc.c
new file mode 100644
index 0000000000..81adb4b57f
--- /dev/null
+++ b/arch/arm/cpu/armv7/exynos/tzpc.c
@@ -0,0 +1,48 @@
+/*
+ * Lowlevel setup for SMDK5250 board based on S5PC520
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/arch/tzpc.h>
+#include <asm/io.h>
+
+/* Setting TZPC[TrustZone Protection Controller] */
+void tzpc_init(void)
+{
+ struct exynos_tzpc *tzpc;
+ unsigned int addr;
+
+ for (addr = TZPC0_BASE; addr <= TZPC9_BASE; addr += TZPC_BASE_OFFSET) {
+ tzpc = (struct exynos_tzpc *)addr;
+
+ if (addr == TZPC0_BASE)
+ writel(R0SIZE, &tzpc->r0size);
+
+ writel(DECPROTXSET, &tzpc->decprot0set);
+ writel(DECPROTXSET, &tzpc->decprot1set);
+
+ if (addr != TZPC9_BASE) {
+ writel(DECPROTXSET, &tzpc->decprot2set);
+ writel(DECPROTXSET, &tzpc->decprot3set);
+ }
+ }
+}
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