| 1 | /****************************************************************************** |
| 2 | ** |
| 3 | ** FILE NAME : ifxmips_fixup_pcie.c |
| 4 | ** PROJECT : IFX UEIP for VRX200 |
| 5 | ** MODULES : PCIe |
| 6 | ** |
| 7 | ** DATE : 02 Mar 2009 |
| 8 | ** AUTHOR : Lei Chuanhua |
| 9 | ** DESCRIPTION : PCIe Root Complex Driver |
| 10 | ** COPYRIGHT : Copyright (c) 2009 |
| 11 | ** Infineon Technologies AG |
| 12 | ** Am Campeon 1-12, 85579 Neubiberg, Germany |
| 13 | ** |
| 14 | ** This program is free software; you can redistribute it and/or modify |
| 15 | ** it under the terms of the GNU General Public License as published by |
| 16 | ** the Free Software Foundation; either version 2 of the License, or |
| 17 | ** (at your option) any later version. |
| 18 | ** HISTORY |
| 19 | ** $Version $Date $Author $Comment |
| 20 | ** 0.0.1 17 Mar,2009 Lei Chuanhua Initial version |
| 21 | *******************************************************************************/ |
| 22 | /*! |
| 23 | \file ifxmips_fixup_pcie.c |
| 24 | \ingroup IFX_PCIE |
| 25 | \brief PCIe Fixup functions source file |
| 26 | */ |
| 27 | #include <linux/pci.h> |
| 28 | #include <linux/pci_regs.h> |
| 29 | #include <linux/pci_ids.h> |
| 30 | |
| 31 | #include <lantiq_soc.h> |
| 32 | |
| 33 | #include "pcie-lantiq.h" |
| 34 | |
| 35 | #define PCI_VENDOR_ID_INFINEON 0x15D1 |
| 36 | #define PCI_DEVICE_ID_INFINEON_DANUBE 0x000F |
| 37 | #define PCI_DEVICE_ID_INFINEON_PCIE 0x0011 |
| 38 | #define PCI_VENDOR_ID_LANTIQ 0x1BEF |
| 39 | #define PCI_DEVICE_ID_LANTIQ_PCIE 0x0011 |
| 40 | |
| 41 | |
| 42 | |
| 43 | static void __devinit |
| 44 | ifx_pcie_fixup_resource(struct pci_dev *dev) |
| 45 | { |
| 46 | u32 reg; |
| 47 | |
| 48 | IFX_PCIE_PRINT(PCIE_MSG_FIXUP, "%s dev %s: enter\n", __func__, pci_name(dev)); |
| 49 | |
| 50 | IFX_PCIE_PRINT(PCIE_MSG_FIXUP, "%s: fixup host controller %s (%04x:%04x)\n", |
| 51 | __func__, pci_name(dev), dev->vendor, dev->device); |
| 52 | |
| 53 | /* Setup COMMAND register */ |
| 54 | reg = PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER /* | |
| 55 | PCI_COMMAND_INTX_DISABLE */| PCI_COMMAND_SERR; |
| 56 | pci_write_config_word(dev, PCI_COMMAND, reg); |
| 57 | IFX_PCIE_PRINT(PCIE_MSG_FIXUP, "%s dev %s: exit\n", __func__, pci_name(dev)); |
| 58 | } |
| 59 | DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INFINEON, PCI_DEVICE_ID_INFINEON_PCIE, ifx_pcie_fixup_resource); |
| 60 | DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LANTIQ, PCI_VENDOR_ID_LANTIQ, ifx_pcie_fixup_resource); |
| 61 | |
| 62 | static void __devinit |
| 63 | ifx_pcie_rc_class_early_fixup(struct pci_dev *dev) |
| 64 | { |
| 65 | IFX_PCIE_PRINT(PCIE_MSG_FIXUP, "%s dev %s: enter\n", __func__, pci_name(dev)); |
| 66 | |
| 67 | if (dev->devfn == PCI_DEVFN(0, 0) && |
| 68 | (dev->class >> 8) == PCI_CLASS_BRIDGE_HOST) { |
| 69 | |
| 70 | dev->class = (PCI_CLASS_BRIDGE_PCI << 8) | (dev->class & 0xff); |
| 71 | |
| 72 | printk(KERN_INFO "%s: fixed pcie host bridge to pci-pci bridge\n", __func__); |
| 73 | } |
| 74 | IFX_PCIE_PRINT(PCIE_MSG_FIXUP, "%s dev %s: exit\n", __func__, pci_name(dev)); |
| 75 | } |
| 76 | |
| 77 | DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INFINEON, PCI_DEVICE_ID_INFINEON_PCIE, |
| 78 | ifx_pcie_rc_class_early_fixup); |
| 79 | |
| 80 | DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LANTIQ, PCI_DEVICE_ID_LANTIQ_PCIE, |
| 81 | ifx_pcie_rc_class_early_fixup); |
| 82 | |
