blob: 2b4c730ccbcb3414148d9deb10bdf8f77a193697 [file] [log] [blame]
/*
* Atheros AR71XX/AR724X specific PCI setup code
*
* Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com>
*
* 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/pci.h>
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/irq.h>
#include <asm/mach-ath79/pci.h>
#include "pci.h"
static int (*ath79_pci_plat_dev_init)(struct pci_dev *dev);
static struct ar724x_pci_data *pci_data;
static int pci_data_size;
void ar724x_pci_add_data(struct ar724x_pci_data *data, int size)
{
pci_data = data;
pci_data_size = size;
}
int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin)
{
unsigned int devfn = dev->devfn;
int irq = -1;
if (devfn > pci_data_size - 1)
return irq;
irq = pci_data[devfn].irq;
return irq;
}
int pcibios_plat_dev_init(struct pci_dev *dev)
{
if (ath79_pci_plat_dev_init)
return ath79_pci_plat_dev_init(dev);
return 0;
}
void __init ath79_pci_set_plat_dev_init(int (*func)(struct pci_dev *dev))
{
ath79_pci_plat_dev_init = func;
}
int __init ath79_register_pci(void)
{
if (soc_is_ar724x())
return ar724x_pcibios_init(ATH79_CPU_IRQ_IP2);
return -ENODEV;
}