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/sifive_plic.h" 24 #include "hw/char/ibex_uart.h" 25 #include "hw/timer/ibex_timer.h" 26 #include "hw/ssi/ibex_spi_host.h" 27 #include "qom/object.h" 28 29 #define TYPE_RISCV_IBEX_SOC "riscv.lowrisc.ibex.soc" 30 OBJECT_DECLARE_SIMPLE_TYPE(LowRISCIbexSoCState, RISCV_IBEX_SOC) 31 32 enum { 33 OPENTITAN_SPI_HOST0, 34 OPENTITAN_SPI_HOST1, 35 OPENTITAN_NUM_SPI_HOSTS, 36 }; 37 38 struct LowRISCIbexSoCState { 39 /*< private >*/ 40 SysBusDevice parent_obj; 41 42 /*< public >*/ 43 RISCVHartArrayState cpus; 44 SiFivePLICState plic; 45 IbexUartState uart; 46 IbexTimerState timer; 47 IbexSPIHostState spi_host[OPENTITAN_NUM_SPI_HOSTS]; 48 49 uint32_t resetvec; 50 51 MemoryRegion flash_mem; 52 MemoryRegion rom; 53 MemoryRegion flash_alias; 54 }; 55 56 typedef struct OpenTitanState { 57 /*< private >*/ 58 SysBusDevice parent_obj; 59 60 /*< public >*/ 61 LowRISCIbexSoCState soc; 62 } OpenTitanState; 63 64 enum { 65 IBEX_DEV_ROM, 66 IBEX_DEV_RAM, 67 IBEX_DEV_FLASH, 68 IBEX_DEV_FLASH_VIRTUAL, 69 IBEX_DEV_UART, 70 IBEX_DEV_SPI_DEVICE, 71 IBEX_DEV_SPI_HOST0, 72 IBEX_DEV_SPI_HOST1, 73 IBEX_DEV_GPIO, 74 IBEX_DEV_I2C, 75 IBEX_DEV_PATTGEN, 76 IBEX_DEV_TIMER, 77 IBEX_DEV_SENSOR_CTRL, 78 IBEX_DEV_OTP_CTRL, 79 IBEX_DEV_LC_CTRL, 80 IBEX_DEV_PWRMGR, 81 IBEX_DEV_RSTMGR, 82 IBEX_DEV_CLKMGR, 83 IBEX_DEV_PINMUX, 84 IBEX_DEV_AON_TIMER, 85 IBEX_DEV_USBDEV, 86 IBEX_DEV_FLASH_CTRL, 87 IBEX_DEV_PLIC, 88 IBEX_DEV_AES, 89 IBEX_DEV_HMAC, 90 IBEX_DEV_KMAC, 91 IBEX_DEV_KEYMGR, 92 IBEX_DEV_CSRNG, 93 IBEX_DEV_ENTROPY, 94 IBEX_DEV_EDNO, 95 IBEX_DEV_EDN1, 96 IBEX_DEV_ALERT_HANDLER, 97 IBEX_DEV_NMI_GEN, 98 IBEX_DEV_OTBN, 99 IBEX_DEV_PERI, 100 }; 101 102 enum { 103 IBEX_UART0_TX_WATERMARK_IRQ = 1, 104 IBEX_UART0_RX_WATERMARK_IRQ = 2, 105 IBEX_UART0_TX_EMPTY_IRQ = 3, 106 IBEX_UART0_RX_OVERFLOW_IRQ = 4, 107 IBEX_UART0_RX_FRAME_ERR_IRQ = 5, 108 IBEX_UART0_RX_BREAK_ERR_IRQ = 6, 109 IBEX_UART0_RX_TIMEOUT_IRQ = 7, 110 IBEX_UART0_RX_PARITY_ERR_IRQ = 8, 111 IBEX_TIMER_TIMEREXPIRED0_0 = 127, 112 IBEX_SPI_HOST0_ERR_IRQ = 134, 113 IBEX_SPI_HOST0_SPI_EVENT_IRQ = 135, 114 IBEX_SPI_HOST1_ERR_IRQ = 136, 115 IBEX_SPI_HOST1_SPI_EVENT_IRQ = 137, 116 }; 117 118 #endif 119