xref: /openbmc/qemu/include/hw/riscv/sifive_e.h (revision 9dea2df8)
1 /*
2  * SiFive E series machine interface
3  *
4  * Copyright (c) 2017 SiFive, Inc.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms and conditions of the GNU General Public License,
8  * version 2 or later, as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13  * more details.
14  *
15  * You should have received a copy of the GNU General Public License along with
16  * this program.  If not, see <http://www.gnu.org/licenses/>.
17  */
18 
19 #ifndef HW_SIFIVE_E_H
20 #define HW_SIFIVE_E_H
21 
22 #define TYPE_RISCV_E_SOC "riscv.sifive.e.soc"
23 #define RISCV_E_SOC(obj) \
24     OBJECT_CHECK(SiFiveESoCState, (obj), TYPE_RISCV_E_SOC)
25 
26 typedef struct SiFiveESoCState {
27     /*< private >*/
28     SysBusDevice parent_obj;
29 
30     /*< public >*/
31     RISCVHartArrayState cpus;
32     DeviceState *plic;
33 } SiFiveESoCState;
34 
35 typedef struct SiFiveEState {
36     /*< private >*/
37     SysBusDevice parent_obj;
38 
39     /*< public >*/
40     SiFiveESoCState soc;
41 } SiFiveEState;
42 
43 enum {
44     SIFIVE_E_DEBUG,
45     SIFIVE_E_MROM,
46     SIFIVE_E_OTP,
47     SIFIVE_E_CLINT,
48     SIFIVE_E_PLIC,
49     SIFIVE_E_AON,
50     SIFIVE_E_PRCI,
51     SIFIVE_E_OTP_CTRL,
52     SIFIVE_E_GPIO0,
53     SIFIVE_E_UART0,
54     SIFIVE_E_QSPI0,
55     SIFIVE_E_PWM0,
56     SIFIVE_E_UART1,
57     SIFIVE_E_QSPI1,
58     SIFIVE_E_PWM1,
59     SIFIVE_E_QSPI2,
60     SIFIVE_E_PWM2,
61     SIFIVE_E_XIP,
62     SIFIVE_E_DTIM
63 };
64 
65 enum {
66     SIFIVE_E_UART0_IRQ = 3,
67     SIFIVE_E_UART1_IRQ = 4
68 };
69 
70 #define SIFIVE_E_PLIC_HART_CONFIG "M"
71 #define SIFIVE_E_PLIC_NUM_SOURCES 127
72 #define SIFIVE_E_PLIC_NUM_PRIORITIES 7
73 #define SIFIVE_E_PLIC_PRIORITY_BASE 0x0
74 #define SIFIVE_E_PLIC_PENDING_BASE 0x1000
75 #define SIFIVE_E_PLIC_ENABLE_BASE 0x2000
76 #define SIFIVE_E_PLIC_ENABLE_STRIDE 0x80
77 #define SIFIVE_E_PLIC_CONTEXT_BASE 0x200000
78 #define SIFIVE_E_PLIC_CONTEXT_STRIDE 0x1000
79 
80 #if defined(TARGET_RISCV32)
81 #define SIFIVE_E_CPU TYPE_RISCV_CPU_SIFIVE_E31
82 #elif defined(TARGET_RISCV64)
83 #define SIFIVE_E_CPU TYPE_RISCV_CPU_SIFIVE_E51
84 #endif
85 
86 #endif
87