[backfire] targets: rename "files-2.6.x" directories to "files"

[openwrt-10.03/.git] / target / linux / rdc / files / arch / x86 / mach-rdc321x / reboot.c

diff --git a/target/linux/rdc/files/arch/x86/mach-rdc321x/reboot.c b/target/linux/rdc/files/arch/x86/mach-rdc321x/reboot.c
new file mode 100644 (file)
index 0000000..2dacfef
--- /dev/null
+++ b/target/linux/rdc/files/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);