diff --git a/southbridge/nvidia/mcp55/pcie.c b/southbridge/nvidia/mcp55/pcie.c
new file mode 100644
index 0000000000..6388e85d12
--- /dev/null
+++ b/southbridge/nvidia/mcp55/pcie.c
@@ -0,0 +1,117 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2004 Tyan Computer
+ * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer.
+ * Copyright (C) 2006,2007 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; 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 St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <types.h>
+#include <lib.h>
+#include <console.h>
+#include <device/pci.h>
+#include <msr.h>
+#include <legacy.h>
+#include <device/pci_ids.h>
+#include <statictree.h>
+#include <config.h>
+#include "mcp55.h"
+
+static void pcie_init(struct device *dev)
+{
+
+	/* Enable pci error detecting */
+	u32 dword;
+
+	/* System error enable */
+	dword = pci_read_config32(dev, 0x04);
+	dword |= (1<<8); /* System error enable */
+	dword |= (1<<30); /* Clear possible errors */
+	pci_write_config32(dev, 0x04, dword);
+
+}
+
+struct device_operations mcp55_pcie_a = {
+	.id = {.type = DEVICE_ID_PCI,
+		{.pci = {.vendor = PCI_VENDOR_ID_NVIDIA,
+			      .device = PCI_DEVICE_ID_NVIDIA_MCP55_PCIE_A}}},
+	.constructor		 = default_device_constructor,
+	.reset_bus		= pci_bus_reset,
+	.phase3_scan		 = pci_scan_bridge,
+	.phase4_read_resources	 = pci_dev_read_resources,
+	.phase4_set_resources	 = pci_dev_set_resources,
+	.phase5_enable_resources = pci_bus_enable_resources,
+	.phase6_init		 = pcie_init,
+	.ops_pci		 = &pci_dev_ops_pci,
+};
+
+struct device_operations mcp55_pcie_b_c = {
+	.id = {.type = DEVICE_ID_PCI,
+		{.pci = {.vendor = PCI_VENDOR_ID_NVIDIA,
+			      .device = PCI_DEVICE_ID_NVIDIA_MCP55_PCIE_B_C}}},
+	.constructor		 = default_device_constructor,
+	.reset_bus		= pci_bus_reset,
+	.phase3_scan		 = pci_scan_bridge,
+	.phase4_read_resources	 = pci_dev_read_resources,
+	.phase4_set_resources	 = pci_dev_set_resources,
+	.phase5_enable_resources = pci_bus_enable_resources,
+	.phase6_init		 = pcie_init,
+	.ops_pci		 = &pci_dev_ops_pci,
+};
+
+struct device_operations mcp55_pcie_d = {
+	.id = {.type = DEVICE_ID_PCI,
+		{.pci = {.vendor = PCI_VENDOR_ID_NVIDIA,
+			      .device = PCI_DEVICE_ID_NVIDIA_MCP55_PCIE_D}}},
+	.constructor		 = default_device_constructor,
+	.reset_bus		= pci_bus_reset,
+	.phase3_scan		 = pci_scan_bridge,
+	.phase4_read_resources	 = pci_dev_read_resources,
+	.phase4_set_resources	 = pci_dev_set_resources,
+	.phase5_enable_resources = pci_bus_enable_resources,
+	.phase6_init		 = pcie_init,
+	.ops_pci		 = &pci_dev_ops_pci,
+};
+
+struct device_operations mcp55_pcie_e = {
+	.id = {.type = DEVICE_ID_PCI,
+		{.pci = {.vendor = PCI_VENDOR_ID_NVIDIA,
+			      .device = PCI_DEVICE_ID_NVIDIA_MCP55_PCIE_D}}},
+	.constructor		 = default_device_constructor,
+	.reset_bus		= pci_bus_reset,
+	.phase3_scan		 = pci_scan_bridge,
+	.phase4_read_resources	 = pci_dev_read_resources,
+	.phase4_set_resources	 = pci_dev_set_resources,
+	.phase5_enable_resources = pci_bus_enable_resources,
+	.phase6_init		 = pcie_init,
+	.ops_pci		 = &pci_dev_ops_pci,
+};
+
+struct device_operations mcp55_pcie_f = {
+	.id = {.type = DEVICE_ID_PCI,
+		{.pci = {.vendor = PCI_VENDOR_ID_NVIDIA,
+			      .device = PCI_DEVICE_ID_NVIDIA_MCP55_PCIE_F}}},
+	.constructor		 = default_device_constructor,
+	.reset_bus		= pci_bus_reset,
+	.phase3_scan		 = pci_scan_bridge,
+	.phase4_read_resources	 = pci_dev_read_resources,
+	.phase4_set_resources	 = pci_dev_set_resources,
+	.phase5_enable_resources = pci_bus_enable_resources,
+	.phase6_init		 = pcie_init,
+	.ops_pci		 = &pci_dev_ops_pci,
+};