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authorRalf Baechle <ralf@linux-mips.org>2013-02-21 15:51:33 +0400
committerRalf Baechle <ralf@linux-mips.org>2013-02-21 15:51:33 +0400
commit8bfc245f9ad7bd4e461179e4e7852ef99b8b6144 (patch)
tree0ad091f645fbc8318634599d278966a53d3922ee /arch/mips/ralink/reset.c
parent612663a974065c3445e641d046769fe4c55a6438 (diff)
parent535237cecab2b078114be712c67e89a0db61965f (diff)
downloadlinux-8bfc245f9ad7bd4e461179e4e7852ef99b8b6144.tar.xz
Merge branch 'mips-next-3.9' of git://git.linux-mips.org/pub/scm/john/linux-john into mips-for-linux-next
Diffstat (limited to 'arch/mips/ralink/reset.c')
-rw-r--r--arch/mips/ralink/reset.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/mips/ralink/reset.c b/arch/mips/ralink/reset.c
new file mode 100644
index 000000000000..22120e512e7e
--- /dev/null
+++ b/arch/mips/ralink/reset.c
@@ -0,0 +1,44 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/pm.h>
+#include <linux/io.h>
+
+#include <asm/reboot.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+/* Reset Control */
+#define SYSC_REG_RESET_CTRL 0x034
+#define RSTCTL_RESET_SYSTEM BIT(0)
+
+static void ralink_restart(char *command)
+{
+ local_irq_disable();
+ rt_sysc_w32(RSTCTL_RESET_SYSTEM, SYSC_REG_RESET_CTRL);
+ unreachable();
+}
+
+static void ralink_halt(void)
+{
+ local_irq_disable();
+ unreachable();
+}
+
+static int __init mips_reboot_setup(void)
+{
+ _machine_restart = ralink_restart;
+ _machine_halt = ralink_halt;
+ pm_power_off = ralink_halt;
+
+ return 0;
+}
+
+arch_initcall(mips_reboot_setup);