c23bfc3835
Most PCI implementations perform simple root bus scanning. Rather than having each group of platforms provide a duplicated bus scan function, provide the PCI configuration ops structure via the hw_pci structure, and call the root bus scanning function from core ARM PCI code. Acked-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
/*
|
|
* arch/arch/mach-ixp4xx/gateway7001-pci.c
|
|
*
|
|
* PCI setup routines for Gateway 7001
|
|
*
|
|
* Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
|
|
*
|
|
* based on coyote-pci.c:
|
|
* Copyright (C) 2002 Jungo Software Technologies.
|
|
* Copyright (C) 2003 MontaVista Softwrae, Inc.
|
|
*
|
|
* Maintainer: Imre Kaloz <kaloz@openwrt.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/init.h>
|
|
#include <linux/irq.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <mach/hardware.h>
|
|
|
|
#include <asm/mach/pci.h>
|
|
|
|
void __init gateway7001_pci_preinit(void)
|
|
{
|
|
irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
|
|
irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
|
|
|
|
ixp4xx_pci_preinit();
|
|
}
|
|
|
|
static int __init gateway7001_map_irq(const struct pci_dev *dev, u8 slot,
|
|
u8 pin)
|
|
{
|
|
if (slot == 1)
|
|
return IRQ_IXP4XX_GPIO11;
|
|
else if (slot == 2)
|
|
return IRQ_IXP4XX_GPIO10;
|
|
else return -1;
|
|
}
|
|
|
|
struct hw_pci gateway7001_pci __initdata = {
|
|
.nr_controllers = 1,
|
|
.ops = &ixp4xx_ops,
|
|
.preinit = gateway7001_pci_preinit,
|
|
.setup = ixp4xx_setup,
|
|
.map_irq = gateway7001_map_irq,
|
|
};
|
|
|
|
int __init gateway7001_pci_init(void)
|
|
{
|
|
if (machine_is_gateway7001())
|
|
pci_common_init(&gateway7001_pci);
|
|
return 0;
|
|
}
|
|
|
|
subsys_initcall(gateway7001_pci_init);
|