xref: /openbmc/qemu/include/hw/riscv/sifive_e.h (revision d5938f29)
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 #include "hw/riscv/riscv_hart.h"
23 #include "hw/riscv/sifive_gpio.h"
24 
25 #define TYPE_RISCV_E_SOC "riscv.sifive.e.soc"
26 #define RISCV_E_SOC(obj) \
27     OBJECT_CHECK(SiFiveESoCState, (obj), TYPE_RISCV_E_SOC)
28 
29 typedef struct SiFiveESoCState {
30     /*< private >*/
31     SysBusDevice parent_obj;
32 
33     /*< public >*/
34     RISCVHartArrayState cpus;
35     DeviceState *plic;
36     SIFIVEGPIOState gpio;
37     MemoryRegion xip_mem;
38     MemoryRegion mask_rom;
39 } SiFiveESoCState;
40 
41 typedef struct SiFiveEState {
42     /*< private >*/
43     SysBusDevice parent_obj;
44 
45     /*< public >*/
46     SiFiveESoCState soc;
47 } SiFiveEState;
48 
49 enum {
50     SIFIVE_E_DEBUG,
51     SIFIVE_E_MROM,
52     SIFIVE_E_OTP,
53     SIFIVE_E_CLINT,
54     SIFIVE_E_PLIC,
55     SIFIVE_E_AON,
56     SIFIVE_E_PRCI,
57     SIFIVE_E_OTP_CTRL,
58     SIFIVE_E_GPIO0,
59     SIFIVE_E_UART0,
60     SIFIVE_E_QSPI0,
61     SIFIVE_E_PWM0,
62     SIFIVE_E_UART1,
63     SIFIVE_E_QSPI1,
64     SIFIVE_E_PWM1,
65     SIFIVE_E_QSPI2,
66     SIFIVE_E_PWM2,
67     SIFIVE_E_XIP,
68     SIFIVE_E_DTIM
69 };
70 
71 enum {
72     SIFIVE_E_UART0_IRQ  = 3,
73     SIFIVE_E_UART1_IRQ  = 4,
74     SIFIVE_E_GPIO0_IRQ0 = 8
75 };
76 
77 #define SIFIVE_E_PLIC_HART_CONFIG "M"
78 #define SIFIVE_E_PLIC_NUM_SOURCES 127
79 #define SIFIVE_E_PLIC_NUM_PRIORITIES 7
80 #define SIFIVE_E_PLIC_PRIORITY_BASE 0x04
81 #define SIFIVE_E_PLIC_PENDING_BASE 0x1000
82 #define SIFIVE_E_PLIC_ENABLE_BASE 0x2000
83 #define SIFIVE_E_PLIC_ENABLE_STRIDE 0x80
84 #define SIFIVE_E_PLIC_CONTEXT_BASE 0x200000
85 #define SIFIVE_E_PLIC_CONTEXT_STRIDE 0x1000
86 
87 #if defined(TARGET_RISCV32)
88 #define SIFIVE_E_CPU TYPE_RISCV_CPU_SIFIVE_E31
89 #elif defined(TARGET_RISCV64)
90 #define SIFIVE_E_CPU TYPE_RISCV_CPU_SIFIVE_E51
91 #endif
92 
93 #endif
94