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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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49316cbf0a
They tend to get not updated when files are moved around or copied and lack any obvious use. While at it zap some only too obvious comments and as per Shinya's suggestion, add a copyright header to extable.c. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Acked-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
/*
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* Copyright (C) NEC Electronics Corporation 2004-2006
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*
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* This file is based on the arch/mips/ddb5xxx/ddb5477/pci.c
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*
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* Copyright 2001 MontaVista Software Inc.
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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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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/pci.h>
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#include <asm/bootinfo.h>
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#include <asm/emma/emma2rh.h>
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#define EMMA2RH_PCI_HOST_SLOT 0x09
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#define EMMA2RH_USB_SLOT 0x03
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#define PCI_DEVICE_ID_NEC_EMMA2RH 0x014b /* EMMA2RH PCI Host */
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/*
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* we fix up irqs based on the slot number.
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* The first entry is at AD:11.
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* Fortunately this works because, although we have two pci buses,
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* they all have different slot numbers (except for rockhopper slot 20
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* which is handled below).
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*
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*/
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#define MAX_SLOT_NUM 10
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static unsigned char irq_map[][5] __initdata = {
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[3] = {0, MARKEINS_PCI_IRQ_INTB, MARKEINS_PCI_IRQ_INTC,
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MARKEINS_PCI_IRQ_INTD, 0,},
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[4] = {0, MARKEINS_PCI_IRQ_INTA, 0, 0, 0,},
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[5] = {0, 0, 0, 0, 0,},
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[6] = {0, MARKEINS_PCI_IRQ_INTC, MARKEINS_PCI_IRQ_INTD,
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MARKEINS_PCI_IRQ_INTA, MARKEINS_PCI_IRQ_INTB,},
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};
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static void __devinit nec_usb_controller_fixup(struct pci_dev *dev)
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{
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if (PCI_SLOT(dev->devfn) == EMMA2RH_USB_SLOT)
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/* on board USB controller configuration */
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pci_write_config_dword(dev, 0xe4, 1 << 5);
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}
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DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_USB,
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nec_usb_controller_fixup);
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/*
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* Prevent the PCI layer from seeing the resources allocated to this device
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* if it is the host bridge by marking it as such. These resources are of
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* no consequence to the PCI layer (they are handled elsewhere).
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*/
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static void __devinit emma2rh_pci_host_fixup(struct pci_dev *dev)
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{
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int i;
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if (PCI_SLOT(dev->devfn) == EMMA2RH_PCI_HOST_SLOT) {
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dev->class &= 0xff;
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dev->class |= PCI_CLASS_BRIDGE_HOST << 8;
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for (i = 0; i < PCI_NUM_RESOURCES; i++) {
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dev->resource[i].start = 0;
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dev->resource[i].end = 0;
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dev->resource[i].flags = 0;
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}
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}
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}
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DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_EMMA2RH,
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emma2rh_pci_host_fixup);
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int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
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{
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return irq_map[slot][pin];
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}
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/* Do platform specific device initialization at pci_enable_device() time */
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int pcibios_plat_dev_init(struct pci_dev *dev)
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{
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return 0;
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}
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