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-rw-r--r--target/linux/lantiq/files/arch/mips/pci/fixup-lantiq-pcie.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/target/linux/lantiq/files/arch/mips/pci/fixup-lantiq-pcie.c b/target/linux/lantiq/files/arch/mips/pci/fixup-lantiq-pcie.c
new file mode 100644
index 0000000000..84517dfbc3
--- /dev/null
+++ b/target/linux/lantiq/files/arch/mips/pci/fixup-lantiq-pcie.c
@@ -0,0 +1,81 @@
+/******************************************************************************
+**
+** 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);