1 /* 2 * SiFive VirtIO Board 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_VIRT_H 20 #define HW_VIRT_H 21 22 #define TYPE_RISCV_VIRT_BOARD "riscv.virt" 23 #define VIRT(obj) \ 24 OBJECT_CHECK(RISCVVirtState, (obj), TYPE_RISCV_VIRT_BOARD) 25 26 enum { ROM_BASE = 0x1000 }; 27 28 typedef struct { 29 /*< private >*/ 30 SysBusDevice parent_obj; 31 32 /*< public >*/ 33 RISCVHartArrayState soc; 34 DeviceState *plic; 35 void *fdt; 36 int fdt_size; 37 } RISCVVirtState; 38 39 enum { 40 VIRT_DEBUG, 41 VIRT_MROM, 42 VIRT_TEST, 43 VIRT_CLINT, 44 VIRT_PLIC, 45 VIRT_UART0, 46 VIRT_VIRTIO, 47 VIRT_DRAM 48 }; 49 50 51 enum { 52 UART0_IRQ = 10, 53 VIRTIO_IRQ = 1, /* 1 to 8 */ 54 VIRTIO_COUNT = 8, 55 VIRTIO_NDEV = 10 56 }; 57 58 #define VIRT_PLIC_HART_CONFIG "MS" 59 #define VIRT_PLIC_NUM_SOURCES 127 60 #define VIRT_PLIC_NUM_PRIORITIES 7 61 #define VIRT_PLIC_PRIORITY_BASE 0x0 62 #define VIRT_PLIC_PENDING_BASE 0x1000 63 #define VIRT_PLIC_ENABLE_BASE 0x2000 64 #define VIRT_PLIC_ENABLE_STRIDE 0x80 65 #define VIRT_PLIC_CONTEXT_BASE 0x200000 66 #define VIRT_PLIC_CONTEXT_STRIDE 0x1000 67 68 #if defined(TARGET_RISCV32) 69 #define VIRT_CPU TYPE_RISCV_CPU_RV32GCSU_V1_10_0 70 #elif defined(TARGET_RISCV64) 71 #define VIRT_CPU TYPE_RISCV_CPU_RV64GCSU_V1_10_0 72 #endif 73 74 #endif 75