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81 lines
2.6 KiB
81 lines
2.6 KiB
20 years ago
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/*
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* BRIEF MODULE DESCRIPTION
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* Board specific pci fixups.
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*
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* Copyright 2000 MontaVista Software Inc.
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* Author: MontaVista Software, Inc.
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* ppopov@mvista.com or source@mvista.com
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/types.h>
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#include <linux/pci.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <asm/it8172/it8172.h>
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#include <asm/it8172/it8172_pci.h>
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#include <asm/it8172/it8172_int.h>
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/*
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* Shortcuts
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*/
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#define INTA IT8172_PCI_INTA_IRQ
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#define INTB IT8172_PCI_INTB_IRQ
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#define INTC IT8172_PCI_INTC_IRQ
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#define INTD IT8172_PCI_INTD_IRQ
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static const int internal_func_irqs[7] __initdata = {
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IT8172_AC97_IRQ,
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IT8172_DMA_IRQ,
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IT8172_CDMA_IRQ,
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IT8172_USB_IRQ,
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IT8172_BRIDGE_MASTER_IRQ,
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IT8172_IDE_IRQ,
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IT8172_MC68K_IRQ
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};
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static char irq_tab_ite8172g[][5] __initdata = {
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[0x10] = { 0, INTA, INTB, INTC, INTD },
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[0x11] = { 0, INTA, INTB, INTC, INTD },
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[0x12] = { 0, INTB, INTC, INTD, INTA },
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[0x13] = { 0, INTC, INTD, INTA, INTB },
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[0x14] = { 0, INTD, INTA, INTB, INTC },
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};
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int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
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{
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/*
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* Internal device 1 is actually 7 different internal devices on the
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* IT8172G (a multifunction device).
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*/
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if (slot == 1)
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return internal_func_irqs[PCI_FUNC(dev->devfn)];
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return irq_tab_ite8172g[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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