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82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
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/******************************************************************************
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**
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** FILE NAME : ifxmips_fixup_pcie.c
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** PROJECT : IFX UEIP for VRX200
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** MODULES : PCIe
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**
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** DATE : 02 Mar 2009
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** AUTHOR : Lei Chuanhua
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** DESCRIPTION : PCIe Root Complex Driver
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** COPYRIGHT : Copyright (c) 2009
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** Infineon Technologies AG
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** Am Campeon 1-12, 85579 Neubiberg, Germany
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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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** HISTORY
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** $Version $Date $Author $Comment
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** 0.0.1 17 Mar,2009 Lei Chuanhua Initial version
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*******************************************************************************/
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/*!
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\file ifxmips_fixup_pcie.c
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\ingroup IFX_PCIE
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\brief PCIe Fixup functions source file
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*/
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#include <linux/pci.h>
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#include <linux/pci_regs.h>
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#include <linux/pci_ids.h>
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#include <lantiq_soc.h>
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#include "pcie-lantiq.h"
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#define PCI_VENDOR_ID_INFINEON 0x15D1
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#define PCI_DEVICE_ID_INFINEON_DANUBE 0x000F
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#define PCI_DEVICE_ID_INFINEON_PCIE 0x0011
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#define PCI_VENDOR_ID_LANTIQ 0x1BEF
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#define PCI_DEVICE_ID_LANTIQ_PCIE 0x0011
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static void __devinit
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ifx_pcie_fixup_resource(struct pci_dev *dev)
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{
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u32 reg;
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IFX_PCIE_PRINT(PCIE_MSG_FIXUP, "%s dev %s: enter\n", __func__, pci_name(dev));
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IFX_PCIE_PRINT(PCIE_MSG_FIXUP, "%s: fixup host controller %s (%04x:%04x)\n",
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__func__, pci_name(dev), dev->vendor, dev->device);
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/* Setup COMMAND register */
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reg = PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER /* |
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PCI_COMMAND_INTX_DISABLE */| PCI_COMMAND_SERR;
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pci_write_config_word(dev, PCI_COMMAND, reg);
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IFX_PCIE_PRINT(PCIE_MSG_FIXUP, "%s dev %s: exit\n", __func__, pci_name(dev));
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}
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DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INFINEON, PCI_DEVICE_ID_INFINEON_PCIE, ifx_pcie_fixup_resource);
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DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LANTIQ, PCI_VENDOR_ID_LANTIQ, ifx_pcie_fixup_resource);
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static void __devinit
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ifx_pcie_rc_class_early_fixup(struct pci_dev *dev)
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{
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IFX_PCIE_PRINT(PCIE_MSG_FIXUP, "%s dev %s: enter\n", __func__, pci_name(dev));
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if (dev->devfn == PCI_DEVFN(0, 0) &&
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(dev->class >> 8) == PCI_CLASS_BRIDGE_HOST) {
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dev->class = (PCI_CLASS_BRIDGE_PCI << 8) | (dev->class & 0xff);
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printk(KERN_INFO "%s: fixed pcie host bridge to pci-pci bridge\n", __func__);
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}
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IFX_PCIE_PRINT(PCIE_MSG_FIXUP, "%s dev %s: exit\n", __func__, pci_name(dev));
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}
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DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INFINEON, PCI_DEVICE_ID_INFINEON_PCIE,
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ifx_pcie_rc_class_early_fixup);
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DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LANTIQ, PCI_DEVICE_ID_LANTIQ_PCIE,
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ifx_pcie_rc_class_early_fixup);
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