arch/sh/drivers/pci/fixups-sdk7780.c

   1 /*
   2  * arch/sh/drivers/pci/fixups-sdk7780.c
   3  *
   4  * PCI fixups for the SDK7780SE03
   5  *
   6  * Copyright (C) 2003  Lineo uSolutions, Inc.
   7  * Copyright (C) 2004 - 2006  Paul Mundt
   8  * Copyright (C) 2006  Nobuhiro Iwamatsu
   9  *
  10  * This file is subject to the terms and conditions of the GNU General Public
  11  * License.  See the file "COPYING" in the main directory of this archive
  12  * for more details.
  13  */
  14 #include <linux/pci.h>
  15 #include <linux/io.h>
  16 #include <linux/sh_intc.h>
  17 #include "pci-sh4.h"
  18
  19 #define IRQ_INTA        evt2irq(0xa20)
  20 #define IRQ_INTB        evt2irq(0xa40)
  21 #define IRQ_INTC        evt2irq(0xa60)
  22 #define IRQ_INTD        evt2irq(0xa80)
  23
  24 /* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */
  25 static char sdk7780_irq_tab[4][16] = {
  26         /* INTA */
  27         { IRQ_INTA, IRQ_INTD, IRQ_INTC, IRQ_INTD, -1, -1, -1, -1, -1, -1,
  28           -1, -1, -1, -1, -1, -1 },
  29         /* INTB */
  30         { IRQ_INTB, IRQ_INTA, -1, IRQ_INTA, -1, -1, -1, -1, -1, -1, -1, -1,
  31           -1, -1, -1, -1 },
  32         /* INTC */
  33         { IRQ_INTC, IRQ_INTB, -1, IRQ_INTB, -1, -1, -1, -1, -1, -1, -1, -1,
  34           -1, -1, -1, -1 },
  35         /* INTD */
  36         { IRQ_INTD, IRQ_INTC, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
  37           -1, -1, -1 },
  38 };
  39
  40 int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
  41 {
  42        return sdk7780_irq_tab[pin-1][slot];
  43 }