blob: 8225f8653f787185d0a24dea20b11fc0e2966208 [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
Timur Tabi895d6032011-10-31 17:06:35 -050016#include <linux/of.h>
Michael Ellerman7e7ab362008-08-06 09:10:02 +100017#include <asm/msi_bitmap.h>
18
Jason Jin34e36c12008-05-23 16:32:46 +080019#define NR_MSI_REG 8
20#define IRQS_PER_MSI_REG 32
21#define NR_MSI_IRQS (NR_MSI_REG * IRQS_PER_MSI_REG)
22
Timur Tabi446bc1f2011-12-13 14:51:59 -060023#define FSL_PIC_IP_MASK 0x0000000F
24#define FSL_PIC_IP_MPIC 0x00000001
25#define FSL_PIC_IP_IPIC 0x00000002
26#define FSL_PIC_IP_VMPIC 0x00000003
Jason Jin34e36c12008-05-23 16:32:46 +080027
28struct fsl_msi {
Grant Likelybae1d8f2012-02-14 14:06:50 -070029 struct irq_domain *irqhost;
Jason Jin34e36c12008-05-23 16:32:46 +080030
31 unsigned long cascade_irq;
32
Timur Tabi2bcd1c02011-09-23 12:41:35 -050033 u32 msiir_offset; /* Offset of MSIIR, relative to start of CCSR */
Jason Jin34e36c12008-05-23 16:32:46 +080034 void __iomem *msi_regs;
35 u32 feature;
Li Yang48059992010-04-22 16:31:39 +080036 int msi_virqs[NR_MSI_REG];
Jason Jin34e36c12008-05-23 16:32:46 +080037
Michael Ellerman7e7ab362008-08-06 09:10:02 +100038 struct msi_bitmap bitmap;
Li Yang694a7a32010-04-22 16:31:36 +080039
40 struct list_head list; /* support multiple MSI banks */
Timur Tabi895d6032011-10-31 17:06:35 -050041
42 phandle phandle;
Jason Jin34e36c12008-05-23 16:32:46 +080043};
44
45#endif /* _POWERPC_SYSDEV_FSL_MSI_H */
46