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Jason Jin34e36c12008-05-23 16:32:46 +08001/*
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
Michael Ellerman7e7ab362008-08-06 09:10:02 +100016#include <asm/msi_bitmap.h>
17
Jason Jin34e36c12008-05-23 16:32:46 +080018#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 {
Jason Jin34e36c12008-05-23 16:32:46 +080027 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;
Li Yang48059992010-04-22 16:31:39 +080035 int msi_virqs[NR_MSI_REG];
Jason Jin34e36c12008-05-23 16:32:46 +080036
Michael Ellerman7e7ab362008-08-06 09:10:02 +100037 struct msi_bitmap bitmap;
Li Yang694a7a32010-04-22 16:31:36 +080038
39 struct list_head list; /* support multiple MSI banks */
Jason Jin34e36c12008-05-23 16:32:46 +080040};
41
42#endif /* _POWERPC_SYSDEV_FSL_MSI_H */
43