include/hw/riscv/opentitan.h

   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
  26 #define TYPE_RISCV_IBEX_SOC "riscv.lowrisc.ibex.soc"
  27 #define RISCV_IBEX_SOC(obj) \
  28     OBJECT_CHECK(LowRISCIbexSoCState, (obj), TYPE_RISCV_IBEX_SOC)
  29
  30 typedef struct LowRISCIbexSoCState {
  31     /*< private >*/
  32     SysBusDevice parent_obj;
  33
  34     /*< public >*/
  35     RISCVHartArrayState cpus;
  36     IbexPlicState plic;
  37     IbexUartState uart;
  38
  39     MemoryRegion flash_mem;
  40     MemoryRegion rom;
  41 } LowRISCIbexSoCState;
  42
  43 typedef struct OpenTitanState {
  44     /*< private >*/
  45     SysBusDevice parent_obj;
  46
  47     /*< public >*/
  48     LowRISCIbexSoCState soc;
  49 } OpenTitanState;
  50
  51 enum {
  52     IBEX_ROM,
  53     IBEX_RAM,
  54     IBEX_FLASH,
  55     IBEX_UART,
  56     IBEX_GPIO,
  57     IBEX_SPI,
  58     IBEX_FLASH_CTRL,
  59     IBEX_RV_TIMER,
  60     IBEX_AES,
  61     IBEX_HMAC,
  62     IBEX_PLIC,
  63     IBEX_PWRMGR,
  64     IBEX_RSTMGR,
  65     IBEX_CLKMGR,
  66     IBEX_PINMUX,
  67     IBEX_ALERT_HANDLER,
  68     IBEX_NMI_GEN,
  69     IBEX_USBDEV,
  70     IBEX_PADCTRL,
  71 };
  72
  73 enum {
  74     IBEX_UART_RX_PARITY_ERR_IRQ = 0x28,
  75     IBEX_UART_RX_TIMEOUT_IRQ = 0x27,
  76     IBEX_UART_RX_BREAK_ERR_IRQ = 0x26,
  77     IBEX_UART_RX_FRAME_ERR_IRQ = 0x25,
  78     IBEX_UART_RX_OVERFLOW_IRQ = 0x24,
  79     IBEX_UART_TX_EMPTY_IRQ = 0x23,
  80     IBEX_UART_RX_WATERMARK_IRQ = 0x22,
  81     IBEX_UART_TX_WATERMARK_IRQ = 0x21,
  82 };
  83
  84 #endif