53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2007-2008 Freescale Semiconductor, Inc. All rights reserved.
|
||
|
|
*
|
||
|
|
* Author: Tony Li <tony.li@freescale.com>
|
||
|
|
* Jason Jin <Jason.jin@freescale.com>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public License
|
||
|
|
* as published by the Free Software Foundation; version 2 of the
|
||
|
|
* License.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
#ifndef _POWERPC_SYSDEV_FSL_MSI_H
|
||
|
|
#define _POWERPC_SYSDEV_FSL_MSI_H
|
||
|
|
|
||
|
|
#include <linux/of.h>
|
||
|
|
#include <asm/msi_bitmap.h>
|
||
|
|
|
||
|
|
#define NR_MSI_REG_MSIIR 8 /* MSIIR can index 8 MSI registers */
|
||
|
|
#define NR_MSI_REG_MSIIR1 16 /* MSIIR1 can index 16 MSI registers */
|
||
|
|
#define NR_MSI_REG_MAX NR_MSI_REG_MSIIR1
|
||
|
|
#define IRQS_PER_MSI_REG 32
|
||
|
|
#define NR_MSI_IRQS_MAX (NR_MSI_REG_MAX * IRQS_PER_MSI_REG)
|
||
|
|
|
||
|
|
#define FSL_PIC_IP_MASK 0x0000000F
|
||
|
|
#define FSL_PIC_IP_MPIC 0x00000001
|
||
|
|
#define FSL_PIC_IP_IPIC 0x00000002
|
||
|
|
#define FSL_PIC_IP_VMPIC 0x00000003
|
||
|
|
|
||
|
|
struct fsl_msi_cascade_data;
|
||
|
|
|
||
|
|
struct fsl_msi {
|
||
|
|
struct irq_domain *irqhost;
|
||
|
|
|
||
|
|
unsigned long cascade_irq;
|
||
|
|
|
||
|
|
u32 msiir_offset; /* Offset of MSIIR, relative to start of CCSR */
|
||
|
|
u32 ibs_shift; /* Shift of interrupt bit select */
|
||
|
|
u32 srs_shift; /* Shift of the shared interrupt register select */
|
||
|
|
void __iomem *msi_regs;
|
||
|
|
u32 feature;
|
||
|
|
struct fsl_msi_cascade_data *cascade_array[NR_MSI_REG_MAX];
|
||
|
|
|
||
|
|
struct msi_bitmap bitmap;
|
||
|
|
|
||
|
|
struct list_head list; /* support multiple MSI banks */
|
||
|
|
|
||
|
|
phandle phandle;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* _POWERPC_SYSDEV_FSL_MSI_H */
|
||
|
|
|