Jason Jin | 34e36c1 | 2008-05-23 16:32:46 +0800 | [diff] [blame] | 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 | |
Timur Tabi | 895d603 | 2011-10-31 17:06:35 -0500 | [diff] [blame] | 16 | #include <linux/of.h> |
Michael Ellerman | 7e7ab36 | 2008-08-06 09:10:02 +1000 | [diff] [blame] | 17 | #include <asm/msi_bitmap.h> |
| 18 | |
Jason Jin | 34e36c1 | 2008-05-23 16:32:46 +0800 | [diff] [blame] | 19 | #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 Tabi | 446bc1f | 2011-12-13 14:51:59 -0600 | [diff] [blame] | 23 | #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 Jin | 34e36c1 | 2008-05-23 16:32:46 +0800 | [diff] [blame] | 27 | |
| 28 | struct fsl_msi { |
Grant Likely | bae1d8f | 2012-02-14 14:06:50 -0700 | [diff] [blame] | 29 | struct irq_domain *irqhost; |
Jason Jin | 34e36c1 | 2008-05-23 16:32:46 +0800 | [diff] [blame] | 30 | |
| 31 | unsigned long cascade_irq; |
| 32 | |
Timur Tabi | 2bcd1c0 | 2011-09-23 12:41:35 -0500 | [diff] [blame] | 33 | u32 msiir_offset; /* Offset of MSIIR, relative to start of CCSR */ |
Jason Jin | 34e36c1 | 2008-05-23 16:32:46 +0800 | [diff] [blame] | 34 | void __iomem *msi_regs; |
| 35 | u32 feature; |
Li Yang | 4805999 | 2010-04-22 16:31:39 +0800 | [diff] [blame] | 36 | int msi_virqs[NR_MSI_REG]; |
Jason Jin | 34e36c1 | 2008-05-23 16:32:46 +0800 | [diff] [blame] | 37 | |
Michael Ellerman | 7e7ab36 | 2008-08-06 09:10:02 +1000 | [diff] [blame] | 38 | struct msi_bitmap bitmap; |
Li Yang | 694a7a3 | 2010-04-22 16:31:36 +0800 | [diff] [blame] | 39 | |
| 40 | struct list_head list; /* support multiple MSI banks */ |
Timur Tabi | 895d603 | 2011-10-31 17:06:35 -0500 | [diff] [blame] | 41 | |
| 42 | phandle phandle; |
Jason Jin | 34e36c1 | 2008-05-23 16:32:46 +0800 | [diff] [blame] | 43 | }; |
| 44 | |
| 45 | #endif /* _POWERPC_SYSDEV_FSL_MSI_H */ |
| 46 | |