1 files changed, 62 insertions, 0 deletions
diff --git a/src/southbridge/amd/sb700/sb700_reset.c b/src/southbridge/amd/sb700/sb700_reset.c
new file mode 100644
index 0000000000..44af1d8bd4
--- /dev/null
+++ b/src/southbridge/amd/sb700/sb700_reset.c
@@ -0,0 +1,62 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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 St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <arch/io.h>
+
+#define PCI_DEV(BUS, DEV, FN) ( \
+	(((BUS) & 0xFFF) << 20) | \
+	(((DEV) & 0x1F) << 15) | \
+	(((FN)  & 0x7) << 12))
+
+typedef u32 device_t;
+
+static void pci_write_config8(device_t dev, unsigned where, unsigned char value)
+{
+        unsigned addr;
+        addr = (dev>>4) | where;
+        outl(0x80000000 | (addr & ~3), 0xCF8);
+        outb(value, 0xCFC + (addr & 3));
+}
+
+static void pci_write_config32(device_t dev, unsigned where, unsigned value)
+{
+	unsigned addr;
+        addr = (dev>>4) | where;
+        outl(0x80000000 | (addr & ~3), 0xCF8);
+        outl(value, 0xCFC);
+}
+
+static unsigned pci_read_config32(device_t dev, unsigned where)
+{
+	unsigned addr;
+        addr = (dev>>4) | where;
+        outl(0x80000000 | (addr & ~3), 0xCF8);
+        return inl(0xCFC);
+}
+
+#include "../../../northbridge/amd/amdk8/reset_test.c"
+
+void hard_reset(void)
+{
+	set_bios_reset();
+	/* Try rebooting through port 0xcf9 */
+	/* Actually it is not a real hard_reset --- it only reset coherent link table, but not reset link freq and width */
+	outb((0 << 3) | (0 << 2) | (1 << 1), 0xcf9);
+	outb((0 << 3) | (1 << 2) | (1 << 1), 0xcf9);
+}