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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
This commit is contained in:
Mondrian nuessle 2009-04-22 20:27:53 +00:00 committed by Myles Watson
parent 6f52d11e9e
commit d9b1c4f42f
3 changed files with 87 additions and 0 deletions
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4
src/include/device/pci_ids.h
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@ -1335,6 +1335,10 @@
#define PCI_DEVICE_ID_BROADCOM_BCM5780_NIC 0x1668
#define PCI_DEVICE_ID_BROADCOM_BCM5780_NIC1 0x1669
#define PCI_DEVICE_ID_SERVERWORKS_BCM21000_EXB0 0x140
#define PCI_DEVICE_ID_SERVERWORKS_BCM21000_EXB1 0x142
#define PCI_DEVICE_ID_SERVERWORKS_BCM21000_EXB2 0x144
#define PCI_DEVICE_ID_SERVERWORKS_BCM5785_HT_PXB 0x0036
#define PCI_DEVICE_ID_SERVERWORKS_BCM5785_PXBX 0x0104
#define PCI_DEVICE_ID_SERVERWORKS_BCM5785_SATA 0x024a

1
src/southbridge/broadcom/bcm21000/Config.lb Normal file
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@ -0,0 +1 @@
driver bcm21000_pcie.o

82
src/southbridge/broadcom/bcm21000/bcm21000_pcie.c Normal file
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@ -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,
};