aboutsummaryrefslogtreecommitdiff
path: root/include/hw/riscv/sifive_u.h
blob: 662e8a1c1a90114bcb2c804c923158db2b9f37e8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
/*
 * SiFive U series machine interface
 *
 * 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_U_H
#define HW_SIFIVE_U_H

#define TYPE_SIFIVE_U "riscv.sifive_u"

#define SIFIVE_U(obj) \
    OBJECT_CHECK(SiFiveUState, (obj), TYPE_SIFIVE_U)

typedef struct SiFiveUState {
    /*< private >*/
    SysBusDevice parent_obj;

    /*< public >*/
    RISCVHartArrayState soc;
    DeviceState *plic;
    void *fdt;
    int fdt_size;
} SiFiveUState;

enum {
    SIFIVE_U_DEBUG,
    SIFIVE_U_MROM,
    SIFIVE_U_CLINT,
    SIFIVE_U_PLIC,
    SIFIVE_U_UART0,
    SIFIVE_U_UART1,
    SIFIVE_U_DRAM
};

enum {
    SIFIVE_U_UART0_IRQ = 3,
    SIFIVE_U_UART1_IRQ = 4
};

#define SIFIVE_U_PLIC_HART_CONFIG "MS"
#define SIFIVE_U_PLIC_NUM_SOURCES 127
#define SIFIVE_U_PLIC_NUM_PRIORITIES 7
#define SIFIVE_U_PLIC_PRIORITY_BASE 0x0
#define SIFIVE_U_PLIC_PENDING_BASE 0x1000
#define SIFIVE_U_PLIC_ENABLE_BASE 0x2000
#define SIFIVE_U_PLIC_ENABLE_STRIDE 0x80
#define SIFIVE_U_PLIC_CONTEXT_BASE 0x200000
#define SIFIVE_U_PLIC_CONTEXT_STRIDE 0x1000

#if defined(TARGET_RISCV32)
#define SIFIVE_U_CPU TYPE_RISCV_CPU_SIFIVE_U34
#elif defined(TARGET_RISCV64)
#define SIFIVE_U_CPU TYPE_RISCV_CPU_SIFIVE_U54
#endif

#endif