arm: bcmnsp: Add bcmnsp u-architecture

Base support for the Broadcom NSP SoC.
Based on iproc-common and the SoC specific reset function.

Signed-off-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Steve Rae <srae@broadcom.com>

diff --git a/arch/arm/cpu/armv7/bcmnsp/Makefile b/arch/arm/cpu/armv7/bcmnsp/Makefile
new file mode 100644 (file)
index 0000000..04afcf9
--- /dev/null
+++ b/arch/arm/cpu/armv7/bcmnsp/Makefile
@@ -0,0 +1,7 @@
+#
+# Copyright 2014 Broadcom Corporation.
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y  += reset.o

diff --git a/arch/arm/cpu/armv7/bcmnsp/reset.c b/arch/arm/cpu/armv7/bcmnsp/reset.c
new file mode 100644 (file)
index 0000000..d79d9aa
--- /dev/null
+++ b/arch/arm/cpu/armv7/bcmnsp/reset.c
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2014 Broadcom Corporation.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+#define CRU_RESET_OFFSET       0x1803F184
+
+void reset_cpu(ulong ignored)
+{
+       /* Reset the cpu by setting software reset request bit */
+       writel(0x1, CRU_RESET_OFFSET);
+
+       while (1)
+               ;       /* loop forever till reset */
+}