8aa50730aa
Use of device_t has been abandoned in ramstage. Change-Id: Iefef4e72f1012c8a6edbb9e5c94bdc162bed93d0 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/26256 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2008-2009 coresystems GmbH
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; version 2 of
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* the License.
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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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#include <device/device.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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#include "i82801ix.h"
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static void pci_init(struct device *dev)
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{
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u16 reg16;
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u8 reg8;
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/* This device has no interrupt */
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pci_write_config8(dev, PCI_INTERRUPT_LINE, 0xff);
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/* Master Latency Count must be set to 0x04! */
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reg8 = pci_read_config8(dev, D30F0_SMLT);
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reg8 &= 0x07;
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reg8 |= (0x04 << 3);
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pci_write_config8(dev, D30F0_SMLT, reg8);
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/* Clear errors in status registers */
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reg16 = pci_read_config16(dev, PCI_STATUS);
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//reg16 |= 0xf900;
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pci_write_config16(dev, PCI_STATUS, reg16);
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reg16 = pci_read_config16(dev, PCI_SEC_STATUS);
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// reg16 |= 0xf900;
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pci_write_config16(dev, PCI_SEC_STATUS, reg16);
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}
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static void set_subsystem(struct device *dev, unsigned vendor, unsigned device)
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{
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/* NOTE: 0x54 is not the default position! */
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if (!vendor || !device) {
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pci_write_config32(dev, 0x54,
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pci_read_config32(dev, PCI_VENDOR_ID));
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} else {
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pci_write_config32(dev, 0x54,
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((device & 0xffff) << 16) | (vendor & 0xffff));
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}
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}
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static struct pci_operations pci_ops = {
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.set_subsystem = set_subsystem,
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};
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static struct device_operations device_ops = {
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.read_resources = pci_bus_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_bus_enable_resources,
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.init = pci_init,
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.scan_bus = pci_scan_bridge,
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.reset_bus = pci_bus_reset,
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.ops_pci = &pci_ops,
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};
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static const unsigned short pci_device_ids[] = {
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0x244e, /* Desktop */
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0x2448, /* Mobile */
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0
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};
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static const struct pci_driver ich9_pci __pci_driver = {
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.ops = &device_ops,
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.vendor = PCI_VENDOR_ID_INTEL,
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.devices = pci_device_ids,
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};
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