xref: /kernel/linux/linux-5.10/arch/mips/pci/fixup-tb0226.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  fixup-tb0226.c, The TANBAC TB0226 specific PCI fixups.
 *
 *  Copyright (C) 2002-2005  Yoichi Yuasa <yuasa@linux-mips.org>
 */
#include <linux/init.h>
#include <linux/pci.h>

#include <asm/vr41xx/giu.h>
#include <asm/vr41xx/tb0226.h>

int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
	int irq = -1;

	switch (slot) {
	case 12:
		vr41xx_set_irq_trigger(GD82559_1_PIN,
				       IRQ_TRIGGER_LEVEL,
				       IRQ_SIGNAL_THROUGH);
		vr41xx_set_irq_level(GD82559_1_PIN, IRQ_LEVEL_LOW);
		irq = GD82559_1_IRQ;
		break;
	case 13:
		vr41xx_set_irq_trigger(GD82559_2_PIN,
				       IRQ_TRIGGER_LEVEL,
				       IRQ_SIGNAL_THROUGH);
		vr41xx_set_irq_level(GD82559_2_PIN, IRQ_LEVEL_LOW);
		irq = GD82559_2_IRQ;
		break;
	case 14:
		switch (pin) {
		case 1:
			vr41xx_set_irq_trigger(UPD720100_INTA_PIN,
					       IRQ_TRIGGER_LEVEL,
					       IRQ_SIGNAL_THROUGH);
			vr41xx_set_irq_level(UPD720100_INTA_PIN,
					     IRQ_LEVEL_LOW);
			irq = UPD720100_INTA_IRQ;
			break;
		case 2:
			vr41xx_set_irq_trigger(UPD720100_INTB_PIN,
					       IRQ_TRIGGER_LEVEL,
					       IRQ_SIGNAL_THROUGH);
			vr41xx_set_irq_level(UPD720100_INTB_PIN,
					     IRQ_LEVEL_LOW);
			irq = UPD720100_INTB_IRQ;
			break;
		case 3:
			vr41xx_set_irq_trigger(UPD720100_INTC_PIN,
					       IRQ_TRIGGER_LEVEL,
					       IRQ_SIGNAL_THROUGH);
			vr41xx_set_irq_level(UPD720100_INTC_PIN,
					     IRQ_LEVEL_LOW);
			irq = UPD720100_INTC_IRQ;
			break;
		default:
			break;
		}
		break;
	default:
		break;
	}

	return irq;
}

/* Do platform specific device initialization at pci_enable_device() time */
int pcibios_plat_dev_init(struct pci_dev *dev)
{
	return 0;
}