OMAP3+: reset: Create a common reset layer.
The reset.S has the function to do a warm reset on OMAP
based socs. Moving this to a reset.c file so that this
acts a common layer to add any reset related functionality
for the future.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
diff --git a/arch/arm/cpu/armv7/omap-common/reset.S b/arch/arm/cpu/armv7/omap-common/reset.c
similarity index 70%
rename from arch/arm/cpu/armv7/omap-common/reset.S
rename to arch/arm/cpu/armv7/omap-common/reset.c
index 838b122..234e90a 100644
--- a/arch/arm/cpu/armv7/omap-common/reset.S
+++ b/arch/arm/cpu/armv7/omap-common/reset.c
@@ -1,6 +1,11 @@
/*
- * Copyright (c) 2009 Samsung Electronics.
- * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * Common layer for reset related functionality of OMAP based socs.
+ *
+ * (C) Copyright 2012
+ * Texas Instruments, <www.ti.com>
+ *
+ * Sricharan R <r.sricharan@ti.com>
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -20,19 +25,12 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
-
#include <config.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <linux/compiler.h>
-.global reset_cpu
-reset_cpu:
- ldr r1, rstctl @ get addr for global reset
- @ reg
- ldr r3, rstbit @ sw reset bit
- str r3, [r1] @ force reset
- mov r0, r0
-_loop_forever:
- b _loop_forever
-rstctl:
- .word PRM_RSTCTRL
-rstbit:
- .word PRM_RSTCTRL_RESET
+void __weak reset_cpu(unsigned long ignored)
+{
+ writel(PRM_RSTCTRL_RESET, PRM_RSTCTRL);
+}