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Diffstat (limited to 'src/southbridge/broadcom/bcm5785/reset.c')
-rw-r--r--src/southbridge/broadcom/bcm5785/reset.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/southbridge/broadcom/bcm5785/reset.c b/src/southbridge/broadcom/bcm5785/reset.c
new file mode 100644
index 0000000000..a59b23992e
--- /dev/null
+++ b/src/southbridge/broadcom/bcm5785/reset.c
@@ -0,0 +1,56 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2005 AMD
+ * Written by Yinghai Lu <yinghai.lu@amd.com> for AMD.
+ *
+ * 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>
+#include <reset.h>
+
+#define PCI_DEV(BUS, DEV, FN) ( \
+ (((BUS) & 0xFFF) << 20) | \
+ (((DEV) & 0x1F) << 15) | \
+ (((FN) & 0x7) << 12))
+
+typedef unsigned device_t;
+
+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);
+}