[v2,3/4] arm: bcmnsp: Add bcmnsp u-architecture

Message ID 1406068912-5941-4-git-send-email-srae@broadcom.com
State Superseded
Headers show

Commit Message

Steve Rae July 22, 2014, 10:41 p.m.
From: Scott Branden <sbranden@broadcom.com>

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>
---

Changes in v2: None

 arch/arm/cpu/armv7/bcmnsp/Makefile |  7 +++++++
 arch/arm/cpu/armv7/bcmnsp/reset.c  | 19 +++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 arch/arm/cpu/armv7/bcmnsp/Makefile
 create mode 100644 arch/arm/cpu/armv7/bcmnsp/reset.c

Patch

diff --git a/arch/arm/cpu/armv7/bcmnsp/Makefile b/arch/arm/cpu/armv7/bcmnsp/Makefile
new file mode 100644
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
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 */
+}