xref: /openbmc/qemu/include/hw/riscv/sifive_e.h (revision 95f21798)
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_cpu.h"
24 #include "hw/gpio/sifive_gpio.h"
25 
26 #define TYPE_RISCV_E_SOC "riscv.sifive.e.soc"
27 #define RISCV_E_SOC(obj) \
28     OBJECT_CHECK(SiFiveESoCState, (obj), TYPE_RISCV_E_SOC)
29 
30 typedef struct SiFiveESoCState {
31     /*< private >*/
32     DeviceState parent_obj;
33 
34     /*< public >*/
35     RISCVHartArrayState cpus;
36     DeviceState *plic;
37     SIFIVEGPIOState gpio;
38     MemoryRegion xip_mem;
39     MemoryRegion mask_rom;
40 } SiFiveESoCState;
41 
42 typedef struct SiFiveEState {
43     /*< private >*/
44     SysBusDevice parent_obj;
45 
46     /*< public >*/
47     SiFiveESoCState soc;
48     bool revb;
49 } SiFiveEState;
50 
51 #define TYPE_RISCV_E_MACHINE MACHINE_TYPE_NAME("sifive_e")
52 #define RISCV_E_MACHINE(obj) \
53     OBJECT_CHECK(SiFiveEState, (obj), TYPE_RISCV_E_MACHINE)
54 
55 enum {
56     SIFIVE_E_DEBUG,
57     SIFIVE_E_MROM,
58     SIFIVE_E_OTP,
59     SIFIVE_E_CLINT,
60     SIFIVE_E_PLIC,
61     SIFIVE_E_AON,
62     SIFIVE_E_PRCI,
63     SIFIVE_E_OTP_CTRL,
64     SIFIVE_E_GPIO0,
65     SIFIVE_E_UART0,
66     SIFIVE_E_QSPI0,
67     SIFIVE_E_PWM0,
68     SIFIVE_E_UART1,
69     SIFIVE_E_QSPI1,
70     SIFIVE_E_PWM1,
71     SIFIVE_E_QSPI2,
72     SIFIVE_E_PWM2,
73     SIFIVE_E_XIP,
74     SIFIVE_E_DTIM
75 };
76 
77 enum {
78     SIFIVE_E_UART0_IRQ  = 3,
79     SIFIVE_E_UART1_IRQ  = 4,
80     SIFIVE_E_GPIO0_IRQ0 = 8
81 };
82 
83 #define SIFIVE_E_PLIC_HART_CONFIG "M"
84 #define SIFIVE_E_PLIC_NUM_SOURCES 127
85 #define SIFIVE_E_PLIC_NUM_PRIORITIES 7
86 #define SIFIVE_E_PLIC_PRIORITY_BASE 0x04
87 #define SIFIVE_E_PLIC_PENDING_BASE 0x1000
88 #define SIFIVE_E_PLIC_ENABLE_BASE 0x2000
89 #define SIFIVE_E_PLIC_ENABLE_STRIDE 0x80
90 #define SIFIVE_E_PLIC_CONTEXT_BASE 0x200000
91 #define SIFIVE_E_PLIC_CONTEXT_STRIDE 0x1000
92 
93 #endif
94