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authorMondrian nuessle <nuessle@uni-hd.de>2009-04-22 20:27:53 +0000
committerMyles Watson <mylesgw@gmail.com>2009-04-22 20:27:53 +0000
commitd9b1c4f42f8e2fc4c3e44fa23f815c68e5127385 (patch)
tree302343cc40b629b1acafe8c372465f7350a19c37 /src/southbridge/broadcom/bcm21000
parent6f52d11e9ee15e72c6d7ec23e1cc9f4d25dd264c (diff)
This patch adds support for the BCM21000 (aka HT-2100)
PCIe bridge. Signed-off-by: Mondrian nuessle <nuessle@uni-hd.de> Acked-by: Samuel Verstraete <samuel.verstraete@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4182 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/broadcom/bcm21000')
-rw-r--r--src/southbridge/broadcom/bcm21000/Config.lb1
-rw-r--r--src/southbridge/broadcom/bcm21000/bcm21000_pcie.c82
2 files changed, 83 insertions, 0 deletions
diff --git a/src/southbridge/broadcom/bcm21000/Config.lb b/src/southbridge/broadcom/bcm21000/Config.lb
new file mode 100644
index 0000000000..b411d1fc67
--- /dev/null
+++ b/src/southbridge/broadcom/bcm21000/Config.lb
@@ -0,0 +1 @@
+driver bcm21000_pcie.o
diff --git a/src/southbridge/broadcom/bcm21000/bcm21000_pcie.c b/src/southbridge/broadcom/bcm21000/bcm21000_pcie.c
new file mode 100644
index 0000000000..749e4ee49d
--- /dev/null
+++ b/src/southbridge/broadcom/bcm21000/bcm21000_pcie.c
@@ -0,0 +1,82 @@
+/*
+ * This file is part of the coreboot project.
+ *
+* Copyright (C) 2009 University of Heidelberg
+ * Written by Mondrian Nuessle <nuessle@uni-heidelberg.de> for University of Heidelberg
+ *
+ * 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 <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+
+static void pcie_init(struct device *dev)
+{
+
+ /* Enable pci error detecting */
+ uint32_t dword;
+ uint32_t msicap;
+
+ printk_debug("PCIE enable.... dev= %s\n",dev_path(dev));
+
+ /* 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);
+
+ /* enable MSI on PCIE: */
+ msicap = pci_read_config32(dev, 0xa0);
+ msicap |= (1<<16); /* enable MSI*/
+ pci_write_config32(dev, 0xa0, msicap);
+}
+
+static struct pci_operations lops_pci = {
+ .set_subsystem = 0,
+};
+
+static struct device_operations pcie_ops = {
+ .read_resources = pci_bus_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_bus_enable_resources,
+ .init = pcie_init,
+ .scan_bus = pci_scan_bridge,
+ .reset_bus = pci_bus_reset,
+ .ops_pci = &lops_pci,
+};
+
+
+static struct pci_driver pcie_driver1 __pci_driver = {
+ .ops = &pcie_ops,
+ .vendor = PCI_VENDOR_ID_SERVERWORKS,
+ .device = PCI_DEVICE_ID_SERVERWORKS_BCM21000_EXB0,
+};
+
+static struct pci_driver pcie_driver2 __pci_driver = {
+ .ops = &pcie_ops,
+ .vendor = PCI_VENDOR_ID_SERVERWORKS,
+ .device = PCI_DEVICE_ID_SERVERWORKS_BCM21000_EXB1,
+};
+
+static struct pci_driver pcie_driver3 __pci_driver = {
+ .ops = &pcie_ops,
+ .vendor = PCI_VENDOR_ID_SERVERWORKS,
+ .device = PCI_DEVICE_ID_SERVERWORKS_BCM21000_EXB2,
+};
+