Add BL31 support for Broadcom stingray platform
Change-Id: Icfef5b6923dc292e637001045a334c499d346fe9
Signed-off-by: Sheetal Tigadoli <sheetal.tigadoli@broadcom.com>
diff --git a/plat/brcm/board/stingray/include/ncsi.h b/plat/brcm/board/stingray/include/ncsi.h
new file mode 100644
index 0000000..04dd640
--- /dev/null
+++ b/plat/brcm/board/stingray/include/ncsi.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2019-2020, Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef NCSI_H
+#define NCSI_H
+
+/*
+ * There are 10 registers for NCSI IO drivers.
+ */
+#define NITRO_NCSI_IOPAD_CONTROL_NUM 10
+#define NITRO_NCSI_IOPAD_CONTROL_BASE 0x60e05080
+
+/*
+ * NCSI IO Drive strength
+ * 000 - Drives 2mA
+ * 001 - Drives 4mA
+ * 010 - Drives 6mA
+ * 011 - Drives 8mA
+ * 100 - Drives 10mA
+ * 101 - Drives 12mA
+ * 110 - Drives 14mA
+ * 111 - Drives 16mA
+ */
+#define PAD_SELX_VALUE(selx) ((selx) << 1)
+#define PAD_SELX_MASK (0x7 << 1)
+
+void brcm_stingray_ncsi_init(void);
+
+#endif