WSL2-Linux-Kernel/arch/mips/pci/fixup-ite8172g.c

81 строка
2.6 KiB
C

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