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Diffstat (limited to 'target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/reboot.c')
-rw-r--r--target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/reboot.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/reboot.c b/target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/reboot.c
new file mode 100644
index 000000000..2dacfefb2
--- /dev/null
+++ b/target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/reboot.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
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <asm/reboot.h>
+#include <asm/io.h>
+
+static void rdc321x_reset(void)
+{
+ unsigned i;
+
+ /* write to southbridge config register 0x41
+ enable pci reset on cpu reset, make internal port 0x92 writeable
+ and switch port 0x92 to internal */
+ outl(0x80003840, 0xCF8);
+ i = inl(0xCFC);
+ i |= 0x1600;
+ outl(i, 0xCFC);
+
+ /* soft reset */
+ outb(1, 0x92);
+}
+
+static int __init rdc_setup_reset(void)
+{
+ machine_ops.emergency_restart = rdc321x_reset;
+ return 0;
+}
+
+arch_initcall(rdc_setup_reset);