1 /* 2 * QEMU RISC-V Board Compatible with OpenTitan FPGA platform 3 * 4 * Copyright (c) 2020 Western Digital 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_OPENTITAN_H 20 #define HW_OPENTITAN_H 21 22 #include "hw/riscv/riscv_hart.h" 23 #include "hw/intc/ibex_plic.h" 24 #include "hw/char/ibex_uart.h" 25 #include "qom/object.h" 26 27 #define TYPE_RISCV_IBEX_SOC "riscv.lowrisc.ibex.soc" 28 typedef struct LowRISCIbexSoCState LowRISCIbexSoCState; 29 DECLARE_INSTANCE_CHECKER(LowRISCIbexSoCState, RISCV_IBEX_SOC, 30 TYPE_RISCV_IBEX_SOC) 31 32 struct LowRISCIbexSoCState { 33 /*< private >*/ 34 SysBusDevice parent_obj; 35 36 /*< public >*/ 37 RISCVHartArrayState cpus; 38 IbexPlicState plic; 39 IbexUartState uart; 40 41 MemoryRegion flash_mem; 42 MemoryRegion rom; 43 }; 44 45 typedef struct OpenTitanState { 46 /*< private >*/ 47 SysBusDevice parent_obj; 48 49 /*< public >*/ 50 LowRISCIbexSoCState soc; 51 } OpenTitanState; 52 53 enum { 54 IBEX_DEV_ROM, 55 IBEX_DEV_RAM, 56 IBEX_DEV_FLASH, 57 IBEX_DEV_UART, 58 IBEX_DEV_GPIO, 59 IBEX_DEV_SPI, 60 IBEX_DEV_FLASH_CTRL, 61 IBEX_DEV_RV_TIMER, 62 IBEX_DEV_AES, 63 IBEX_DEV_HMAC, 64 IBEX_DEV_PLIC, 65 IBEX_DEV_PWRMGR, 66 IBEX_DEV_RSTMGR, 67 IBEX_DEV_CLKMGR, 68 IBEX_DEV_PINMUX, 69 IBEX_DEV_ALERT_HANDLER, 70 IBEX_DEV_NMI_GEN, 71 IBEX_DEV_USBDEV, 72 IBEX_DEV_PADCTRL, 73 }; 74 75 enum { 76 IBEX_UART_RX_PARITY_ERR_IRQ = 0x28, 77 IBEX_UART_RX_TIMEOUT_IRQ = 0x27, 78 IBEX_UART_RX_BREAK_ERR_IRQ = 0x26, 79 IBEX_UART_RX_FRAME_ERR_IRQ = 0x25, 80 IBEX_UART_RX_OVERFLOW_IRQ = 0x24, 81 IBEX_UART_TX_EMPTY_IRQ = 0x23, 82 IBEX_UART_RX_WATERMARK_IRQ = 0x22, 83 IBEX_UART_TX_WATERMARK_IRQ = 0x21, 84 }; 85 86 #endif 87