90 lines
1.8 KiB
C
90 lines
1.8 KiB
C
/*
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* Atheros AR71xx PCI setup code
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*
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* Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
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* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
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*
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* Parts of this file are based on Atheros' 2.6.15 BSP
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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 version 2 as published
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* by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <asm/traps.h>
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#include <asm/mach-ar71xx/ar71xx.h>
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#include <asm/mach-ar71xx/pci.h>
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unsigned ar71xx_pci_nr_irqs __initdata;
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struct ar71xx_pci_irq *ar71xx_pci_irq_map __initdata;
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int (*ar71xx_pci_plat_dev_init)(struct pci_dev *dev);
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static int ar71xx_be_handler(struct pt_regs *regs, int is_fixup)
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{
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int err = 0;
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err = ar71xx_pci_be_handler(is_fixup);
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return (is_fixup && !err) ? MIPS_BE_FIXUP : MIPS_BE_FATAL;
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}
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int pcibios_plat_dev_init(struct pci_dev *dev)
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{
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if (ar71xx_pci_plat_dev_init)
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return ar71xx_pci_plat_dev_init(dev);
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return 0;
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}
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int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin)
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{
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int ret = 0;
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switch (ar71xx_soc) {
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case AR71XX_SOC_AR7130:
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case AR71XX_SOC_AR7141:
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case AR71XX_SOC_AR7161:
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ret = ar71xx_pcibios_map_irq(dev, slot, pin);
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break;
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case AR71XX_SOC_AR7240:
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ret = ar724x_pcibios_map_irq(dev, slot, pin);
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break;
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default:
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break;
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}
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return ret;
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}
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int __init ar71xx_pci_init(unsigned nr_irqs, struct ar71xx_pci_irq *map)
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{
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int ret = 0;
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switch (ar71xx_soc) {
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case AR71XX_SOC_AR7130:
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case AR71XX_SOC_AR7141:
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case AR71XX_SOC_AR7161:
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board_be_handler = ar71xx_be_handler;
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ret = ar71xx_pcibios_init();
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break;
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case AR71XX_SOC_AR7240:
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ret = ar724x_pcibios_init();
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break;
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default:
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return 0;
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}
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ar71xx_pci_nr_irqs = nr_irqs;
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ar71xx_pci_irq_map = map;
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return ret;
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}
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