162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2007-2008 Freescale Semiconductor, Inc. All rights reserved. 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Author: Tony Li <tony.li@freescale.com> 662306a36Sopenharmony_ci * Jason Jin <Jason.jin@freescale.com> 762306a36Sopenharmony_ci */ 862306a36Sopenharmony_ci#ifndef _POWERPC_SYSDEV_FSL_MSI_H 962306a36Sopenharmony_ci#define _POWERPC_SYSDEV_FSL_MSI_H 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#include <linux/of.h> 1262306a36Sopenharmony_ci#include <asm/msi_bitmap.h> 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci#define NR_MSI_REG_MSIIR 8 /* MSIIR can index 8 MSI registers */ 1562306a36Sopenharmony_ci#define NR_MSI_REG_MSIIR1 16 /* MSIIR1 can index 16 MSI registers */ 1662306a36Sopenharmony_ci#define NR_MSI_REG_MAX NR_MSI_REG_MSIIR1 1762306a36Sopenharmony_ci#define IRQS_PER_MSI_REG 32 1862306a36Sopenharmony_ci#define NR_MSI_IRQS_MAX (NR_MSI_REG_MAX * IRQS_PER_MSI_REG) 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci#define FSL_PIC_IP_MASK 0x0000000F 2162306a36Sopenharmony_ci#define FSL_PIC_IP_MPIC 0x00000001 2262306a36Sopenharmony_ci#define FSL_PIC_IP_IPIC 0x00000002 2362306a36Sopenharmony_ci#define FSL_PIC_IP_VMPIC 0x00000003 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci#define MSI_HW_ERRATA_ENDIAN 0x00000010 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_cistruct fsl_msi_cascade_data; 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_cistruct fsl_msi { 3062306a36Sopenharmony_ci struct irq_domain *irqhost; 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci unsigned long cascade_irq; 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ci u32 msiir_offset; /* Offset of MSIIR, relative to start of CCSR */ 3562306a36Sopenharmony_ci u32 ibs_shift; /* Shift of interrupt bit select */ 3662306a36Sopenharmony_ci u32 srs_shift; /* Shift of the shared interrupt register select */ 3762306a36Sopenharmony_ci void __iomem *msi_regs; 3862306a36Sopenharmony_ci u32 feature; 3962306a36Sopenharmony_ci struct fsl_msi_cascade_data *cascade_array[NR_MSI_REG_MAX]; 4062306a36Sopenharmony_ci 4162306a36Sopenharmony_ci struct msi_bitmap bitmap; 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ci struct list_head list; /* support multiple MSI banks */ 4462306a36Sopenharmony_ci 4562306a36Sopenharmony_ci phandle phandle; 4662306a36Sopenharmony_ci}; 4762306a36Sopenharmony_ci 4862306a36Sopenharmony_ci#endif /* _POWERPC_SYSDEV_FSL_MSI_H */ 4962306a36Sopenharmony_ci 50