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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2021 Western Digital Corporation or its affiliates.
* Copyright (c) 2022 Ventana Micro Systems Inc.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*/
#ifndef __IRQCHIP_IMSIC_H__
#define __IRQCHIP_IMSIC_H__
#include <sbi/sbi_types.h>
#define IMSIC_MMIO_PAGE_SHIFT 12
#define IMSIC_MMIO_PAGE_SZ (1UL << IMSIC_MMIO_PAGE_SHIFT)
#define IMSIC_MAX_REGS 16
struct imsic_regs {
unsigned long addr;
unsigned long size;
};
struct imsic_data {
bool targets_mmode;
u32 guest_index_bits;
u32 hart_index_bits;
u32 group_index_bits;
u32 group_index_shift;
unsigned long num_ids;
struct imsic_regs regs[IMSIC_MAX_REGS];
};
#ifdef CONFIG_IRQCHIP_IMSIC
int imsic_map_hartid_to_data(u32 hartid, struct imsic_data *imsic, int file);
struct imsic_data *imsic_get_data(u32 hartindex);
int imsic_get_target_file(u32 hartindex);
void imsic_local_irqchip_init(void);
int imsic_data_check(struct imsic_data *imsic);
int imsic_cold_irqchip_init(struct imsic_data *imsic);
#else
static inline void imsic_local_irqchip_init(void) { }
static inline int imsic_data_check(struct imsic_data *imsic) { return 0; }
#endif
#endif
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