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/*
* SiFive CLINT (Core Local Interruptor) interface
*
* Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu
* Copyright (c) 2017 SiFive, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2 or later, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HW_SIFIVE_CLINT_H
#define HW_SIFIVE_CLINT_H
#include "hw/sysbus.h"
#define TYPE_SIFIVE_CLINT "riscv.sifive.clint"
#define SIFIVE_CLINT(obj) \
OBJECT_CHECK(SiFiveCLINTState, (obj), TYPE_SIFIVE_CLINT)
typedef struct SiFiveCLINTState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
MemoryRegion mmio;
uint32_t hartid_base;
uint32_t num_harts;
uint32_t sip_base;
uint32_t timecmp_base;
uint32_t time_base;
uint32_t aperture_size;
uint32_t timebase_freq;
} SiFiveCLINTState;
DeviceState *sifive_clint_create(hwaddr addr, hwaddr size,
uint32_t hartid_base, uint32_t num_harts, uint32_t sip_base,
uint32_t timecmp_base, uint32_t time_base, uint32_t timebase_freq,
bool provide_rdtime);
enum {
SIFIVE_SIP_BASE = 0x0,
SIFIVE_TIMECMP_BASE = 0x4000,
SIFIVE_TIME_BASE = 0xBFF8
};
enum {
SIFIVE_CLINT_TIMEBASE_FREQ = 10000000
};
#endif
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