/arch/powerpc/sysdev/fsl_msi.h
C Header | 40 lines | 19 code | 9 blank | 12 comment | 0 complexity | f4aa06e03fd22840ab53d352f3f660aa MD5 | raw file
Possible License(s): CC-BY-SA-3.0, GPL-2.0, LGPL-2.0, AGPL-1.0
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