linux_dsm_epyc7002/arch/sh/drivers/pci/fixups-sdk7780.c
Paul Mundt 58796ce67a sh: legacy PCI evt2irq migration.
This converts over the legacy PCI IRQs to evt2irq() backed hwirq lookups.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18 17:42:29 +09:00

44 lines
1.3 KiB
C

/*
* arch/sh/drivers/pci/fixups-sdk7780.c
*
* PCI fixups for the SDK7780SE03
*
* Copyright (C) 2003 Lineo uSolutions, Inc.
* Copyright (C) 2004 - 2006 Paul Mundt
* Copyright (C) 2006 Nobuhiro Iwamatsu
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/pci.h>
#include <linux/io.h>
#include <linux/sh_intc.h>
#include "pci-sh4.h"
#define IRQ_INTA evt2irq(0xa20)
#define IRQ_INTB evt2irq(0xa40)
#define IRQ_INTC evt2irq(0xa60)
#define IRQ_INTD evt2irq(0xa80)
/* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */
static char sdk7780_irq_tab[4][16] __initdata = {
/* INTA */
{ IRQ_INTA, IRQ_INTD, IRQ_INTC, IRQ_INTD, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1 },
/* INTB */
{ IRQ_INTB, IRQ_INTA, -1, IRQ_INTA, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1 },
/* INTC */
{ IRQ_INTC, IRQ_INTB, -1, IRQ_INTB, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1 },
/* INTD */
{ IRQ_INTD, IRQ_INTC, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1 },
};
int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
{
return sdk7780_irq_tab[pin-1][slot];
}