diff options
Diffstat (limited to 'src/southbridge/intel/i82801gx/i82801gx_smbus.c')
| -rw-r--r-- | src/southbridge/intel/i82801gx/i82801gx_smbus.c | 49 |
1 files changed, 35 insertions, 14 deletions
diff --git a/src/southbridge/intel/i82801gx/i82801gx_smbus.c b/src/southbridge/intel/i82801gx/i82801gx_smbus.c index bc14cc39f2..e9f9c7d918 100644 --- a/src/southbridge/intel/i82801gx/i82801gx_smbus.c +++ b/src/southbridge/intel/i82801gx/i82801gx_smbus.c @@ -1,12 +1,12 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2008 coresystems GmbH + * Copyright (C) 2008-2009 coresystems GmbH * - * 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 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; version 2 of + * the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -18,27 +18,47 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#include <stdint.h> -#include <smbus.h> -#include <pci.h> -#include <pci_ids.h> +#include <console/console.h> +#include <device/device.h> +#include <device/path.h> +#include <device/smbus.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> #include <arch/io.h> #include "i82801gx.h" -#include "i82801_smbus.h" - -static int smbus_read_byte(struct bus *bus, device_t dev, u8 address) +#include "i82801gx_smbus.h" + +static int lsmbus_read_byte(device_t dev, u8 address) { u16 device; struct resource *res; + struct bus *pbus; device = dev->path.i2c.device; - res = find_resource(bus->dev, 0x20); + pbus = get_pbus_smbus(dev); + res = find_resource(pbus->dev, 0x20); return do_smbus_read_byte(res->base, device, address); } static struct smbus_bus_operations lops_smbus_bus = { - .read_byte = smbus_read_byte, + .read_byte = lsmbus_read_byte, +}; + +static void smbus_set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + if (!vendor || !device) { + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + pci_read_config32(dev, PCI_VENDOR_ID)); + } else { + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + ((device & 0xffff) << 16) | (vendor & 0xffff)); + } +} + +static struct pci_operations smbus_pci_ops = { + .set_subsystem = smbus_set_subsystem, }; static struct device_operations smbus_ops = { @@ -49,6 +69,7 @@ static struct device_operations smbus_ops = { .scan_bus = scan_static_bus, .enable = i82801gx_enable, .ops_smbus_bus = &lops_smbus_bus, + .ops_pci = &smbus_pci_ops, }; /* 82801GB/GR/GDH/GBM/GHM/GU (ICH7/ICH7R/ICH7DH/ICH7-M/ICH7-M DH/ICH7-U) */ |