1 files changed, 37 insertions, 0 deletions
diff --git a/src/soc/rockchip/rk3399/mmu_operations.c b/src/soc/rockchip/rk3399/mmu_operations.c
new file mode 100644
index 0000000000..f1a1371683
--- /dev/null
+++ b/src/soc/rockchip/rk3399/mmu_operations.c
@@ -0,0 +1,37 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Rockchip Inc.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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.
+ *
+ */
+
+#include <arch/io.h>
+#include <arch/mmu.h>
+#include <bootblock_common.h>
+#include <console/console.h>
+#include <soc/mmu_operations.h>
+#include <symbols.h>
+
+void rockchip_mmu_init(void)
+{
+	mmu_init();
+
+	/* Set 0x0 to max sdram(4GiB) supported by RK3399 as device memory.
+	 * We want to configure mmio space(start at 0xf8000000) to DEV_MEM,
+	 * some boards may use 2GB sdram in future(who knows).
+	 */
+	mmu_config_range((void *)0, (uintptr_t)4 * GiB, DEV_MEM);
+
+	mmu_config_range(_sram, _sram_size, SECURE_MEM);
+
+	mmu_enable();
+}