9095e30f2d
heavily on the code for i82801dbm and i82801er Signed-off-by: Jon Dufresne <jon.dufresne@gmail.com> Acked-by: Ronald G. Minnich <rminnich@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2534 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/*
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* This file is part of the LinuxBIOS project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <device/device.h>
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#include <device/path.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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#include <device/pci_ops.h>
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#include <device/smbus.h>
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#include <arch/io.h>
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#include "i82801db.h"
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#include "i82801db_smbus.h"
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static int lsmbus_read_byte(struct bus *bus, device_t dev, uint8_t address)
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{
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unsigned device;
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struct resource *res;
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device = dev->path.u.i2c.device;
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res = find_resource(bus->dev, 0x20);
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return do_smbus_read_byte(res->base, device, address);
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}
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static struct smbus_bus_operations lops_smbus_bus = {
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.read_byte = lsmbus_read_byte,
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};
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static struct pci_operations lops_pci = {
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/* The subsystem id follows the ide controller */
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.set_subsystem = 0,
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};
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static struct device_operations smbus_ops = {
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.read_resources = pci_dev_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_dev_enable_resources,
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.init = 0,
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.scan_bus = scan_static_bus,
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.enable = i82801db_enable,
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.ops_pci = &lops_pci,
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.ops_smbus_bus = &lops_smbus_bus,
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};
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static struct pci_driver smbus_driver __pci_driver = {
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.ops = &smbus_ops,
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.vendor = PCI_VENDOR_ID_INTEL,
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.device = PCI_DEVICE_ID_INTEL_82801DB_SMB,
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};
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