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 #define NR_MSI_REG 8 17 #define IRQS_PER_MSI_REG 32 18 #define NR_MSI_IRQS (NR_MSI_REG * IRQS_PER_MSI_REG) 19 20 #define FSL_PIC_IP_MASK 0x0000000F 21 #define FSL_PIC_IP_MPIC 0x00000001 22 #define FSL_PIC_IP_IPIC 0x00000002 23 24 struct fsl_msi { 25 /* Device node of the MSI interrupt*/ 26 struct device_node *of_node; 27 28 struct irq_host *irqhost; 29 30 unsigned long cascade_irq; 31 32 u32 msi_addr_lo; 33 u32 msi_addr_hi; 34 void __iomem *msi_regs; 35 u32 feature; 36 37 unsigned long *fsl_msi_bitmap; 38 spinlock_t bitmap_lock; 39 }; 40 41 #endif /* _POWERPC_SYSDEV_FSL_MSI_H */ 42 43