diff options
Diffstat (limited to 'src/southbridge/sis/sis966/pcie.c')
| -rw-r--r-- | src/southbridge/sis/sis966/pcie.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/southbridge/sis/sis966/pcie.c b/src/southbridge/sis/sis966/pcie.c new file mode 100644 index 0000000000..dedbefdbf4 --- /dev/null +++ b/src/southbridge/sis/sis966/pcie.c @@ -0,0 +1,66 @@ +/* + * 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. + * Copyright (C) 2007 Silicon Integrated Systems Corp. (SiS) + * Written by Morgan Tsai <my_tsai@sis.com> for SiS. + * + * 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> +#include "sis966.h" + +static void pcie_init(struct device *dev) +{ + + /* Enable pci error detecting */ + uint32_t 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); + +} + +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, +// .enable = sis966_enable, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver pciebc_driver __pci_driver = { + .ops = &pcie_ops, + .vendor = PCI_VENDOR_ID_SIS, + .device = PCI_DEVICE_ID_SIS_SIS966_PCIE, +}; + |