linux/arch/powerpc/sysdev/fsl_msi.h
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   1/*
   2 * Copyright (C) 2007-2008 Freescale Semiconductor, Inc. All rights reserved.
   3 *
   4 * Author: Tony Li <tony.li@freescale.com>
   5 *         Jason Jin <Jason.jin@freescale.com>
   6 *
   7 * This program is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU General Public License
   9 * as published by the Free Software Foundation; version 2 of the
  10 * License.
  11 *
  12 */
  13#ifndef _POWERPC_SYSDEV_FSL_MSI_H
  14#define _POWERPC_SYSDEV_FSL_MSI_H
  15
  16#include <asm/msi_bitmap.h>
  17
  18#define NR_MSI_REG              8
  19#define IRQS_PER_MSI_REG        32
  20#define NR_MSI_IRQS     (NR_MSI_REG * IRQS_PER_MSI_REG)
  21
  22#define FSL_PIC_IP_MASK 0x0000000F
  23#define FSL_PIC_IP_MPIC 0x00000001
  24#define FSL_PIC_IP_IPIC 0x00000002
  25
  26struct fsl_msi {
  27        struct irq_host *irqhost;
  28
  29        unsigned long cascade_irq;
  30
  31        u32 msi_addr_lo;
  32        u32 msi_addr_hi;
  33        void __iomem *msi_regs;
  34        u32 feature;
  35
  36        struct msi_bitmap bitmap;
  37};
  38
  39#endif /* _POWERPC_SYSDEV_FSL_MSI_H */
  40
  41