Add SMMUv3 driver
The driver has only one API: to initialize an SMMUv3 device. This
operates on a device that implements secure state, by invalidating
secure caches and TLBs.
Change-Id: Ief32800419ddf0f1fe38c8f0da8f5ba75c72c826
Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
diff --git a/include/drivers/arm/smmu_v3.h b/include/drivers/arm/smmu_v3.h
new file mode 100644
index 0000000..b7efde4
--- /dev/null
+++ b/include/drivers/arm/smmu_v3.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __SMMU_V3_H__
+#define __SMMU_V3_H__
+
+#include <stdint.h>
+
+/* SMMUv3 register offsets from device base */
+#define SMMU_S_IDR1 0x8004
+#define SMMU_S_INIT 0x803c
+
+/* SMMU_S_IDR1 register fields */
+#define SMMU_S_IDR1_SECURE_IMPL_SHIFT 31
+#define SMMU_S_IDR1_SECURE_IMPL_MASK 0x1
+
+/* SMMU_S_INIT register fields */
+#define SMMU_S_INIT_INV_ALL_MASK 0x1
+
+
+int smmuv3_init(uintptr_t smmu_base);
+
+#endif /* __SMMU_V3_H__ */