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authorAfzal Mohammed <afzal@ti.com>2013-05-27 18:35:19 +0400
committerTony Lindgren <tony@atomide.com>2013-06-12 18:55:30 +0400
commitab4c2e1bbd316bd86b448fa0974ac66c0d2172b8 (patch)
treec4887fb082884718518768753c53a480f8b59ce9 /arch/arm/mach-omap2/omap4-restart.c
parenta27b6da42a99f4d87b8ca2d086920c978d7e8f11 (diff)
downloadlinux-ab4c2e1bbd316bd86b448fa0974ac66c0d2172b8.tar.xz
ARM: OMAP2+: separate out OMAP4 restart
Separate out OMAP4 restart and have it similar to other platforms, in a different file. Main motive is to reuse omap4-common on platforms other than OMAP4, like AM43x, even if OMAP4 is deselected (otherwise would have caused build breakage). Signed-off-by: Afzal Mohammed <afzal@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/omap4-restart.c')
-rw-r--r--arch/arm/mach-omap2/omap4-restart.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap4-restart.c b/arch/arm/mach-omap2/omap4-restart.c
new file mode 100644
index 000000000000..f90e02e11898
--- /dev/null
+++ b/arch/arm/mach-omap2/omap4-restart.c
@@ -0,0 +1,27 @@
+/*
+ * omap4-restart.c - Common to OMAP4 and OMAP5
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/types.h>
+#include "prminst44xx.h"
+
+/**
+ * omap44xx_restart - trigger a software restart of the SoC
+ * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
+ * @cmd: passed from the userspace program rebooting the system (if provided)
+ *
+ * Resets the SoC. For @cmd, see the 'reboot' syscall in
+ * kernel/sys.c. No return value.
+ */
+void omap44xx_restart(char mode, const char *cmd)
+{
+ /* XXX Should save 'cmd' into scratchpad for use after reboot */
+ omap4_prminst_global_warm_sw_reset(); /* never returns */
+ while (1)
+ ;
+}