blob: a653468521fa36b1050e32ba5032b4ed686fee6f [file] [log] [blame]
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
16#define NR_MSI_REG 8
17#define IRQS_PER_MSI_REG 32
18#define NR_MSI_IRQS (NR_MSI_REG * IRQS_PER_MSI_REG)
19
20#define FSL_PIC_IP_MASK 0x0000000F
21#define FSL_PIC_IP_MPIC 0x00000001
22#define FSL_PIC_IP_IPIC 0x00000002
23
24struct fsl_msi {
25 /* Device node of the MSI interrupt*/
26 struct device_node *of_node;
27
28 struct irq_host *irqhost;
29
30 unsigned long cascade_irq;
31
32 u32 msi_addr_lo;
33 u32 msi_addr_hi;
34 void __iomem *msi_regs;
35 u32 feature;
36
37 unsigned long *fsl_msi_bitmap;
38 spinlock_t bitmap_lock;
39};
40
41#endif /* _POWERPC_SYSDEV_FSL_MSI_H */
42