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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Loongson ipi interrupt header files
*
* Copyright (C) 2021 Loongson Technology Corporation Limited
*/
#ifndef HW_LOONGSON_IPI_H
#define HW_LOONGSON_IPI_H
#include "hw/sysbus.h"
/* Mainy used by iocsr read and write */
#define SMP_IPI_MAILBOX 0x1000ULL
#define CORE_STATUS_OFF 0x0
#define CORE_EN_OFF 0x4
#define CORE_SET_OFF 0x8
#define CORE_CLEAR_OFF 0xc
#define CORE_BUF_20 0x20
#define CORE_BUF_28 0x28
#define CORE_BUF_30 0x30
#define CORE_BUF_38 0x38
#define IOCSR_IPI_SEND 0x40
#define IOCSR_MAIL_SEND 0x48
#define IOCSR_ANY_SEND 0x158
#define MAIL_SEND_ADDR (SMP_IPI_MAILBOX + IOCSR_MAIL_SEND)
#define MAIL_SEND_OFFSET 0
#define ANY_SEND_OFFSET (IOCSR_ANY_SEND - IOCSR_MAIL_SEND)
#define IPI_MBX_NUM 4
#define TYPE_LOONGSON_IPI "loongson_ipi"
OBJECT_DECLARE_SIMPLE_TYPE(LoongsonIPI, LOONGSON_IPI)
typedef struct IPICore {
LoongsonIPI *ipi;
MemoryRegion *ipi_mmio_mem;
uint32_t status;
uint32_t en;
uint32_t set;
uint32_t clear;
/* 64bit buf divide into 2 32bit buf */
uint32_t buf[IPI_MBX_NUM * 2];
qemu_irq irq;
} IPICore;
struct LoongsonIPI {
SysBusDevice parent_obj;
MemoryRegion ipi_iocsr_mem;
MemoryRegion ipi64_iocsr_mem;
uint32_t num_cpu;
IPICore *cpu;
};
#endif
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