projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 34e36c15 JJ |
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 | ||
| 895d603f | 16 | #include <linux/of.h> |
| 7e7ab367 ME |
17 | #include <asm/msi_bitmap.h> |
| 18 | ||
| f31dd944 ML |
19 | #define NR_MSI_REG_MSIIR 8 /* MSIIR can index 8 MSI registers */ |
| 20 | #define NR_MSI_REG_MSIIR1 16 /* MSIIR1 can index 16 MSI registers */ | |
| 21 | #define NR_MSI_REG_MAX NR_MSI_REG_MSIIR1 | |
| 34e36c15 | 22 | #define IRQS_PER_MSI_REG 32 |
| f31dd944 | 23 | #define NR_MSI_IRQS_MAX (NR_MSI_REG_MAX * IRQS_PER_MSI_REG) |
| 34e36c15 | 24 | |
| 446bc1ff TT |
25 | #define FSL_PIC_IP_MASK 0x0000000F |
| 26 | #define FSL_PIC_IP_MPIC 0x00000001 | |
| 27 | #define FSL_PIC_IP_IPIC 0x00000002 | |
| 28 | #define FSL_PIC_IP_VMPIC 0x00000003 | |
| 34e36c15 | 29 | |
| ff015659 HJ |
30 | #define MSI_HW_ERRATA_ENDIAN 0x00000010 |
| 31 | ||
| 83495231 TL |
32 | struct fsl_msi_cascade_data; |
| 33 | ||
| 34e36c15 | 34 | struct fsl_msi { |
| bae1d8f1 | 35 | struct irq_domain *irqhost; |
| 34e36c15 JJ |
36 | |
| 37 | unsigned long cascade_irq; | |
| 38 | ||
| 2bcd1c0c | 39 | u32 msiir_offset; /* Offset of MSIIR, relative to start of CCSR */ |
| f31dd944 ML |
40 | u32 ibs_shift; /* Shift of interrupt bit select */ |
| 41 | u32 srs_shift; /* Shift of the shared interrupt register select */ | |
| 34e36c15 JJ |
42 | void __iomem *msi_regs; |
| 43 | u32 feature; | |
| 83495231 | 44 | struct fsl_msi_cascade_data *cascade_array[NR_MSI_REG_MAX]; |
| 34e36c15 | 45 | |
| 7e7ab367 | 46 | struct msi_bitmap bitmap; |
| 694a7a36 LY |
47 | |
| 48 | struct list_head list; /* support multiple MSI banks */ | |
| 895d603f TT |
49 | |
| 50 | phandle phandle; | |
| 34e36c15 JJ |
51 | }; |
| 52 | ||
| 53 | #endif /* _POWERPC_SYSDEV_FSL_MSI_H */ | |
| 54 |