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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/mips/pci/fixup-tb0226.c
10817 views
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/*

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 *  fixup-tb0226.c, The TANBAC TB0226 specific PCI fixups.

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 *

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 *  Copyright (C) 2002-2005  Yoichi Yuasa <[email protected]>

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 *

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 *  This program is free software; you can redistribute it and/or modify

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 *  it under the terms of the GNU General Public License as published by

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 *  the Free Software Foundation; either version 2 of the License, or

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 *  (at your option) any later version.

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 *

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 *  This program is distributed in the hope that it will be useful,

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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 *  GNU General Public License for more details.

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 *

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 *  You should have received a copy of the GNU General Public License

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 *  along with this program; if not, write to the Free Software

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 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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 */

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#include <linux/init.h>

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#include <linux/pci.h>

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#include <asm/vr41xx/giu.h>

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#include <asm/vr41xx/tb0226.h>

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int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)

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{

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	int irq = -1;

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	switch (slot) {

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	case 12:

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		vr41xx_set_irq_trigger(GD82559_1_PIN,

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				       IRQ_TRIGGER_LEVEL,

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				       IRQ_SIGNAL_THROUGH);

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		vr41xx_set_irq_level(GD82559_1_PIN, IRQ_LEVEL_LOW);

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		irq = GD82559_1_IRQ;

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		break;

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	case 13:

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		vr41xx_set_irq_trigger(GD82559_2_PIN,

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				       IRQ_TRIGGER_LEVEL,

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				       IRQ_SIGNAL_THROUGH);

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		vr41xx_set_irq_level(GD82559_2_PIN, IRQ_LEVEL_LOW);

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		irq = GD82559_2_IRQ;

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		break;

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	case 14:

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		switch (pin) {

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		case 1:

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			vr41xx_set_irq_trigger(UPD720100_INTA_PIN,

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					       IRQ_TRIGGER_LEVEL,

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					       IRQ_SIGNAL_THROUGH);

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			vr41xx_set_irq_level(UPD720100_INTA_PIN,

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					     IRQ_LEVEL_LOW);

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			irq = UPD720100_INTA_IRQ;

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			break;

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		case 2:

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			vr41xx_set_irq_trigger(UPD720100_INTB_PIN,

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					       IRQ_TRIGGER_LEVEL,

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					       IRQ_SIGNAL_THROUGH);

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			vr41xx_set_irq_level(UPD720100_INTB_PIN,

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					     IRQ_LEVEL_LOW);

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			irq = UPD720100_INTB_IRQ;

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			break;

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		case 3:

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			vr41xx_set_irq_trigger(UPD720100_INTC_PIN,

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					       IRQ_TRIGGER_LEVEL,

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					       IRQ_SIGNAL_THROUGH);

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			vr41xx_set_irq_level(UPD720100_INTC_PIN,

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					     IRQ_LEVEL_LOW);

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			irq = UPD720100_INTC_IRQ;

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			break;

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		default:

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			break;

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		}

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		break;

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	default:

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		break;

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	}

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	return irq;

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}

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/* Do platform specific device initialization at pci_enable_device() time */

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int pcibios_plat_dev_init(struct pci_dev *dev)

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{

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	return 0;

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}

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