board: ns3: add support for Broadcom Northstar 3

Add support for Broadcom Northstar 3 SoC.
NS3 is a octo-core 64-bit ARMv8 Cortex-A72 processors
targeting a broad range of networking applications.

Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

1 files changed, 40 insertions, 0 deletions

diff --git a/include/configs/bcm_ns3.h b/include/configs/bcm_ns3.h
new file mode 100644
index 0000000000..02a736456a
--- /dev/null
+++ b/include/configs/bcm_ns3.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2020 Broadcom.
+ *
+ */
+
+#ifndef __BCM_NS3_H
+#define __BCM_NS3_H
+
+#include <linux/sizes.h>
+
+#define CONFIG_HOSTNAME			"NS3"
+
+/* Physical Memory Map */
+#define V2M_BASE			0x80000000
+#define PHYS_SDRAM_1			V2M_BASE
+
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
+#define CONFIG_SYS_LOAD_ADDR		(PHYS_SDRAM_1 + 0x80000)
+
+/*
+ * Initial SP before reloaction is placed at end of first DRAM bank,
+ * which is 0x1_0000_0000.
+ * Just before re-loaction, new SP is updated and re-location happens.
+ * So pointing the initial SP to end of 2GB DDR is not a problem
+ */
+#define CONFIG_SYS_INIT_SP_ADDR		(PHYS_SDRAM_1 + 0x80000000)
+/* 12MB Malloc size */
+#define CONFIG_SYS_MALLOC_LEN		(SZ_8M + SZ_4M)
+
+/* console configuration */
+#define CONFIG_SYS_NS16550_CLK		25000000
+
+#define CONFIG_SYS_CBSIZE		SZ_1K
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
+					 sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_MAXARGS		64
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+
+#endif /* __BCM_NS3_H */