[PATCH] Add Reset Support for omap3.
Juergen Kilb
J.Kilb at phytec.de
Fri Sep 9 08:10:53 EDT 2011
Inspired from reset_cpu in omap4_generic.c.
Signed-off-by: Juergen Kilb <j.kilb at phytec.de>
---
arch/arm/mach-omap/include/mach/omap3-silicon.h | 3 +++
arch/arm/mach-omap/omap3_generic.c | 5 +++--
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap/include/mach/omap3-silicon.h b/arch/arm/mach-omap/include/mach/omap3-silicon.h
index 0e6a45f..67f7747 100644
--- a/arch/arm/mach-omap/include/mach/omap3-silicon.h
+++ b/arch/arm/mach-omap/include/mach/omap3-silicon.h
@@ -132,5 +132,8 @@
#define OMAP_SDRC_CS0 0x80000000
#define OMAP_SDRC_CS1 0xA0000000
+/* PRM */
+#define PRM_RSTCTRL_RESET 0x04
+
#endif /* __ASM_ARCH_OMAP3_H */
diff --git a/arch/arm/mach-omap/omap3_generic.c b/arch/arm/mach-omap/omap3_generic.c
index 661a971..9627a6b 100644
--- a/arch/arm/mach-omap/omap3_generic.c
+++ b/arch/arm/mach-omap/omap3_generic.c
@@ -59,8 +59,9 @@
*/
void __noreturn reset_cpu(unsigned long addr)
{
- /* FIXME: Enable WDT and cause reset */
- hang();
+ writel(PRM_RSTCTRL_RESET, PRM_REG(RSTCTRL));
+
+ while (1);
}
EXPORT_SYMBOL(reset_cpu);
--
1.7.0.4
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