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