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authorScott Branden <sbranden@broadcom.com>2014-08-11 13:58:23 -0700
committerTom Rini <trini@ti.com>2014-08-30 07:46:40 -0400
commit7986688075c13c1a87a086a2b36fcbcb4774efa8 (patch)
treea25da77f0348f7eee580f9d4a7397fd522e4300c
parentc4b4500910b2dac1dd2e02fb498c059688fb606a (diff)
arm: bcmcygnus: Add bcmcygnus u-architecture
Base support for the Broadcom Cygnus 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>
-rw-r--r--arch/arm/cpu/armv7/bcmcygnus/Makefile7
-rw-r--r--arch/arm/cpu/armv7/bcmcygnus/reset.c20
2 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/bcmcygnus/Makefile b/arch/arm/cpu/armv7/bcmcygnus/Makefile
new file mode 100644
index 0000000000..04afcf9aef
--- /dev/null
+++ b/arch/arm/cpu/armv7/bcmcygnus/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/bcmcygnus/reset.c b/arch/arm/cpu/armv7/bcmcygnus/reset.c
new file mode 100644
index 0000000000..53ecc0ce0d
--- /dev/null
+++ b/arch/arm/cpu/armv7/bcmcygnus/reset.c
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2014 Broadcom Corporation.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+#define CRMU_MAIL_BOX1 0x03024028
+#define CRMU_SOFT_RESET_CMD 0xFFFFFFFF
+
+void reset_cpu(ulong ignored)
+{
+ /* Send soft reset command via Mailbox. */
+ writel(CRMU_SOFT_RESET_CMD, CRMU_MAIL_BOX1);
+
+ while (1)
+ ; /* loop forever till reset */
+}