exynos: move tzpc_init to armv7/exynos

[karo-tx-uboot.git] / arch / arm / cpu / armv7 / exynos / tzpc.c

diff --git a/arch/arm/cpu/armv7/exynos/tzpc.c b/arch/arm/cpu/armv7/exynos/tzpc.c
new file mode 100644 (file)
index 0000000..81adb4b
--- /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);
+               }
+       }
+}