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/*
* Atheros AR71xx PCI setup code
*
* Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
*
* Parts of this file are based on Atheros' 2.6.15 BSP
*
* 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 <asm/traps.h>
#include <asm/mach-ar71xx/ar71xx.h>
#include <asm/mach-ar71xx/pci.h>
unsigned ar71xx_pci_nr_irqs __initdata;
struct ar71xx_pci_irq *ar71xx_pci_irq_map __initdata;
int (*ar71xx_pci_plat_dev_init)(struct pci_dev *dev);
static int ar71xx_be_handler(struct pt_regs *regs, int is_fixup)
{
int err = 0;
err = ar71xx_pci_be_handler(is_fixup);
return (is_fixup && !err) ? MIPS_BE_FIXUP : MIPS_BE_FATAL;
}
int pcibios_plat_dev_init(struct pci_dev *dev)
{
if (ar71xx_pci_plat_dev_init)
return ar71xx_pci_plat_dev_init(dev);
return 0;
}
int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin)
{
int ret = 0;
switch (ar71xx_soc) {
case AR71XX_SOC_AR7130:
case AR71XX_SOC_AR7141:
case AR71XX_SOC_AR7161:
ret = ar71xx_pcibios_map_irq(dev, slot, pin);
break;
case AR71XX_SOC_AR7240:
case AR71XX_SOC_AR7241:
case AR71XX_SOC_AR7242:
ret = ar724x_pcibios_map_irq(dev, slot, pin);
break;
default:
break;
}
return ret;
}
int __init ar71xx_pci_init(unsigned nr_irqs, struct ar71xx_pci_irq *map)
{
int ret = 0;
switch (ar71xx_soc) {
case AR71XX_SOC_AR7130:
case AR71XX_SOC_AR7141:
case AR71XX_SOC_AR7161:
board_be_handler = ar71xx_be_handler;
ret = ar71xx_pcibios_init();
break;
case AR71XX_SOC_AR7240:
case AR71XX_SOC_AR7241:
case AR71XX_SOC_AR7242:
ret = ar724x_pcibios_init();
break;
default:
return 0;
}
ar71xx_pci_nr_irqs = nr_irqs;
ar71xx_pci_irq_map = map;
return ret;
}
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