| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2004, 2006 MIPS Technologies, Inc. All rights reserved. |
| 3 | * Author: Maciej W. Rozycki <macro@mips.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License |
| 7 | * as published by the Free Software Foundation; either version |
| 8 | * 2 of the License, or (at your option) any later version. |
| 9 | */ |
| 10 | |
| 11 | #include <linux/pci.h> |
| 12 | |
| 13 | /* |
| 14 | * Set the BCM1250, etc. PCI host bridge's TRDY timeout |
| 15 | * to the finite max. |
| 16 | */ |
| 17 | static void quirk_sb1250_pci(struct pci_dev *dev) |
| 18 | { |
| 19 | pci_write_config_byte(dev, 0x40, 0xff); |
| 20 | } |
| 21 | DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_PCI, |
| 22 | quirk_sb1250_pci); |
| 23 | |
| 24 | /* |
| 25 | * The BCM1250, etc. PCI/HT bridge reports as a host bridge. |
| 26 | */ |
| 27 | static void quirk_sb1250_ht(struct pci_dev *dev) |
| 28 | { |
| 29 | dev->class = PCI_CLASS_BRIDGE_PCI << 8; |
| 30 | } |
| 31 | DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_HT, |
| 32 | quirk_sb1250_ht); |
| 33 | |
| 34 | /* |
| 35 | * Set the SP1011 HT/PCI bridge's TRDY timeout to the finite max. |
| 36 | */ |
| 37 | static void quirk_sp1011(struct pci_dev *dev) |
| 38 | { |
| 39 | pci_write_config_byte(dev, 0x64, 0xff); |
| 40 | } |
| 41 | DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIPACKETS, PCI_DEVICE_ID_SP1011, |
| 42 | quirk_sp1011); |