Merge remote-tracking branch 'remotes/vivier/tags/trivial-branch-for-6.2-pull-request...
[qemu.git] / include / hw / intc / sifive_clint.h
1 /*
2 * SiFive CLINT (Core Local Interruptor) interface
3 *
4 * Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu
5 * Copyright (c) 2017 SiFive, Inc.
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2 or later, as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #ifndef HW_SIFIVE_CLINT_H
21 #define HW_SIFIVE_CLINT_H
22
23 #include "hw/sysbus.h"
24
25 #define TYPE_SIFIVE_CLINT "riscv.sifive.clint"
26
27 #define SIFIVE_CLINT(obj) \
28 OBJECT_CHECK(SiFiveCLINTState, (obj), TYPE_SIFIVE_CLINT)
29
30 typedef struct SiFiveCLINTState {
31 /*< private >*/
32 SysBusDevice parent_obj;
33
34 /*< public >*/
35 MemoryRegion mmio;
36 uint32_t hartid_base;
37 uint32_t num_harts;
38 uint32_t sip_base;
39 uint32_t timecmp_base;
40 uint32_t time_base;
41 uint32_t aperture_size;
42 uint32_t timebase_freq;
43 } SiFiveCLINTState;
44
45 DeviceState *sifive_clint_create(hwaddr addr, hwaddr size,
46 uint32_t hartid_base, uint32_t num_harts, uint32_t sip_base,
47 uint32_t timecmp_base, uint32_t time_base, uint32_t timebase_freq,
48 bool provide_rdtime);
49
50 enum {
51 SIFIVE_SIP_BASE = 0x0,
52 SIFIVE_TIMECMP_BASE = 0x4000,
53 SIFIVE_TIME_BASE = 0xBFF8
54 };
55
56 enum {
57 SIFIVE_CLINT_TIMEBASE_FREQ = 10000000
58 };
59
60 #endif