xref: /openbmc/qemu/include/hw/riscv/sifive_u.h (revision 835fde4a)
1 /*
2  * SiFive U 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_U_H
20 #define HW_SIFIVE_U_H
21 
22 #include "hw/dma/sifive_pdma.h"
23 #include "hw/net/cadence_gem.h"
24 #include "hw/riscv/riscv_hart.h"
25 #include "hw/riscv/sifive_cpu.h"
26 #include "hw/gpio/sifive_gpio.h"
27 #include "hw/misc/sifive_u_otp.h"
28 #include "hw/misc/sifive_u_prci.h"
29 #include "hw/ssi/sifive_spi.h"
30 
31 #define TYPE_RISCV_U_SOC "riscv.sifive.u.soc"
32 #define RISCV_U_SOC(obj) \
33     OBJECT_CHECK(SiFiveUSoCState, (obj), TYPE_RISCV_U_SOC)
34 
35 typedef struct SiFiveUSoCState {
36     /*< private >*/
37     DeviceState parent_obj;
38 
39     /*< public >*/
40     CPUClusterState e_cluster;
41     CPUClusterState u_cluster;
42     RISCVHartArrayState e_cpus;
43     RISCVHartArrayState u_cpus;
44     DeviceState *plic;
45     SiFiveUPRCIState prci;
46     SIFIVEGPIOState gpio;
47     SiFiveUOTPState otp;
48     SiFivePDMAState dma;
49     SiFiveSPIState spi0;
50     SiFiveSPIState spi2;
51     CadenceGEMState gem;
52 
53     uint32_t serial;
54     char *cpu_type;
55 } SiFiveUSoCState;
56 
57 #define TYPE_RISCV_U_MACHINE MACHINE_TYPE_NAME("sifive_u")
58 #define RISCV_U_MACHINE(obj) \
59     OBJECT_CHECK(SiFiveUState, (obj), TYPE_RISCV_U_MACHINE)
60 
61 typedef struct SiFiveUState {
62     /*< private >*/
63     MachineState parent_obj;
64 
65     /*< public >*/
66     SiFiveUSoCState soc;
67 
68     void *fdt;
69     int fdt_size;
70 
71     bool start_in_flash;
72     uint32_t msel;
73     uint32_t serial;
74 } SiFiveUState;
75 
76 enum {
77     SIFIVE_U_DEV_DEBUG,
78     SIFIVE_U_DEV_MROM,
79     SIFIVE_U_DEV_CLINT,
80     SIFIVE_U_DEV_L2CC,
81     SIFIVE_U_DEV_PDMA,
82     SIFIVE_U_DEV_L2LIM,
83     SIFIVE_U_DEV_PLIC,
84     SIFIVE_U_DEV_PRCI,
85     SIFIVE_U_DEV_UART0,
86     SIFIVE_U_DEV_UART1,
87     SIFIVE_U_DEV_GPIO,
88     SIFIVE_U_DEV_QSPI0,
89     SIFIVE_U_DEV_QSPI2,
90     SIFIVE_U_DEV_OTP,
91     SIFIVE_U_DEV_DMC,
92     SIFIVE_U_DEV_FLASH0,
93     SIFIVE_U_DEV_DRAM,
94     SIFIVE_U_DEV_GEM,
95     SIFIVE_U_DEV_GEM_MGMT
96 };
97 
98 enum {
99     SIFIVE_U_L2CC_IRQ0 = 1,
100     SIFIVE_U_L2CC_IRQ1 = 2,
101     SIFIVE_U_L2CC_IRQ2 = 3,
102     SIFIVE_U_UART0_IRQ = 4,
103     SIFIVE_U_UART1_IRQ = 5,
104     SIFIVE_U_QSPI2_IRQ = 6,
105     SIFIVE_U_GPIO_IRQ0 = 7,
106     SIFIVE_U_GPIO_IRQ1 = 8,
107     SIFIVE_U_GPIO_IRQ2 = 9,
108     SIFIVE_U_GPIO_IRQ3 = 10,
109     SIFIVE_U_GPIO_IRQ4 = 11,
110     SIFIVE_U_GPIO_IRQ5 = 12,
111     SIFIVE_U_GPIO_IRQ6 = 13,
112     SIFIVE_U_GPIO_IRQ7 = 14,
113     SIFIVE_U_GPIO_IRQ8 = 15,
114     SIFIVE_U_GPIO_IRQ9 = 16,
115     SIFIVE_U_GPIO_IRQ10 = 17,
116     SIFIVE_U_GPIO_IRQ11 = 18,
117     SIFIVE_U_GPIO_IRQ12 = 19,
118     SIFIVE_U_GPIO_IRQ13 = 20,
119     SIFIVE_U_GPIO_IRQ14 = 21,
120     SIFIVE_U_GPIO_IRQ15 = 22,
121     SIFIVE_U_PDMA_IRQ0 = 23,
122     SIFIVE_U_PDMA_IRQ1 = 24,
123     SIFIVE_U_PDMA_IRQ2 = 25,
124     SIFIVE_U_PDMA_IRQ3 = 26,
125     SIFIVE_U_PDMA_IRQ4 = 27,
126     SIFIVE_U_PDMA_IRQ5 = 28,
127     SIFIVE_U_PDMA_IRQ6 = 29,
128     SIFIVE_U_PDMA_IRQ7 = 30,
129     SIFIVE_U_QSPI0_IRQ = 51,
130     SIFIVE_U_GEM_IRQ = 53
131 };
132 
133 enum {
134     SIFIVE_U_HFCLK_FREQ = 33333333,
135     SIFIVE_U_RTCCLK_FREQ = 1000000
136 };
137 
138 enum {
139     MSEL_MEMMAP_QSPI0_FLASH = 1,
140     MSEL_L2LIM_QSPI0_FLASH = 6,
141     MSEL_L2LIM_QSPI2_SD = 11
142 };
143 
144 #define SIFIVE_U_MANAGEMENT_CPU_COUNT   1
145 #define SIFIVE_U_COMPUTE_CPU_COUNT      4
146 
147 #define SIFIVE_U_PLIC_HART_CONFIG "MS"
148 #define SIFIVE_U_PLIC_NUM_SOURCES 54
149 #define SIFIVE_U_PLIC_NUM_PRIORITIES 7
150 #define SIFIVE_U_PLIC_PRIORITY_BASE 0x04
151 #define SIFIVE_U_PLIC_PENDING_BASE 0x1000
152 #define SIFIVE_U_PLIC_ENABLE_BASE 0x2000
153 #define SIFIVE_U_PLIC_ENABLE_STRIDE 0x80
154 #define SIFIVE_U_PLIC_CONTEXT_BASE 0x200000
155 #define SIFIVE_U_PLIC_CONTEXT_STRIDE 0x1000
156 
157 #endif
158