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authorJaroslav Kysela <perex@perex.cz>2010-01-08 11:26:34 +0300
committerJaroslav Kysela <perex@perex.cz>2010-01-08 11:26:34 +0300
commit1cb4f624ea38361b6397966470f0a1bed5532483 (patch)
tree418b05ddc854b09d64f7d5ee0c78875e42b5f151 /arch/mips/powertv/reset.c
parent444c1953d496d272208902ff7010dc70d1f887f0 (diff)
parent2c1f1895ef2aa8f0e5497893eff71304aef332e1 (diff)
downloadlinux-1cb4f624ea38361b6397966470f0a1bed5532483.tar.xz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into fixes
Diffstat (limited to 'arch/mips/powertv/reset.c')
-rw-r--r--arch/mips/powertv/reset.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/mips/powertv/reset.c b/arch/mips/powertv/reset.c
new file mode 100644
index 000000000000..494c652c984b
--- /dev/null
+++ b/arch/mips/powertv/reset.c
@@ -0,0 +1,65 @@
+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
+ * Portions copyright (C) 2009 Cisco Systems, Inc.
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+#include <linux/pm.h>
+
+#include <linux/io.h>
+#include <asm/reboot.h> /* Not included by linux/reboot.h */
+
+#ifdef CONFIG_BOOTLOADER_DRIVER
+#include <asm/mach-powertv/kbldr.h>
+#endif
+
+#include <asm/mach-powertv/asic_regs.h>
+#include "reset.h"
+
+static void mips_machine_restart(char *command);
+static void mips_machine_halt(void);
+
+static void mips_machine_restart(char *command)
+{
+#ifdef CONFIG_BOOTLOADER_DRIVER
+ /*
+ * Call the bootloader's reset function to ensure
+ * that persistent data is flushed before hard reset
+ */
+ kbldr_SetCauseAndReset();
+#else
+ writel(0x1, asic_reg_addr(watchdog));
+#endif
+}
+
+static void mips_machine_halt(void)
+{
+#ifdef CONFIG_BOOTLOADER_DRIVER
+ /*
+ * Call the bootloader's reset function to ensure
+ * that persistent data is flushed before hard reset
+ */
+ kbldr_SetCauseAndReset();
+#else
+ writel(0x1, asic_reg_addr(watchdog));
+#endif
+}
+
+void mips_reboot_setup(void)
+{
+ _machine_restart = mips_machine_restart;
+ _machine_halt = mips_machine_halt;
+ pm_power_off = mips_machine_halt;
+}