diff options
Diffstat (limited to 'src/southbridge')
| -rw-r--r-- | src/southbridge/intel/i3100/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/southbridge/intel/i3100/ioapic.c | 61 |
2 files changed, 62 insertions, 0 deletions
diff --git a/src/southbridge/intel/i3100/Makefile.inc b/src/southbridge/intel/i3100/Makefile.inc index fa6caf1b52..ddcb0f9181 100644 --- a/src/southbridge/intel/i3100/Makefile.inc +++ b/src/southbridge/intel/i3100/Makefile.inc @@ -5,5 +5,6 @@ driver-y += sata.c driver-y += ehci.c driver-y += smbus.c driver-y += pci.c +driver-y += ioapic.c ramstage-y += reset.c ramstage-y += pciexp_portb.c diff --git a/src/southbridge/intel/i3100/ioapic.c b/src/southbridge/intel/i3100/ioapic.c new file mode 100644 index 0000000000..446be9e638 --- /dev/null +++ b/src/southbridge/intel/i3100/ioapic.c @@ -0,0 +1,61 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Sven Schnelle <svens@stackframe.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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 "i3100.h" + + +static void read_resources(struct device *dev) +{ + u32 tmp; + + /* Enable IO(X)APIC config space */ + tmp = pci_read_config16(dev, 0x40); + pci_write_config16(dev, 0x40, tmp & ~(1 << 13)); + /* Enable I/O APIC space at 0xfec80000 */ + dev->path.pci.devfn |= 1; + pci_write_config16(dev, 0x04, 0x06); + pci_write_config32(dev, 0x10, 0xfec80000); + dev->path.pci.devfn &= ~1; + pci_write_config16(dev, 0x40, tmp); + + pci_bus_read_resources(dev); +} + +static struct device_operations pci_ops = { + .read_resources = read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_bus_enable_resources, + .scan_bus = pci_scan_bridge, + .reset_bus = pci_bus_reset, + .ops_pci = 0, + +}; + +static const struct pci_driver pci_driver0 __pci_driver = { + .ops = &pci_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = 0x3500, +}; + |