diff options
Diffstat (limited to 'include/hw/riscv')
| -rw-r--r-- | include/hw/riscv/opentitan.h | 16 | ||||
| -rw-r--r-- | include/hw/riscv/shakti_c.h | 75 |
2 files changed, 83 insertions, 8 deletions
diff --git a/include/hw/riscv/opentitan.h b/include/hw/riscv/opentitan.h index a5ea3a5e4e..aab9bc9245 100644 --- a/include/hw/riscv/opentitan.h +++ b/include/hw/riscv/opentitan.h @@ -82,14 +82,14 @@ enum { }; enum { - IBEX_UART_RX_PARITY_ERR_IRQ = 0x28, - IBEX_UART_RX_TIMEOUT_IRQ = 0x27, - IBEX_UART_RX_BREAK_ERR_IRQ = 0x26, - IBEX_UART_RX_FRAME_ERR_IRQ = 0x25, - IBEX_UART_RX_OVERFLOW_IRQ = 0x24, - IBEX_UART_TX_EMPTY_IRQ = 0x23, - IBEX_UART_RX_WATERMARK_IRQ = 0x22, - IBEX_UART_TX_WATERMARK_IRQ = 0x21, + IBEX_UART0_RX_PARITY_ERR_IRQ = 8, + IBEX_UART0_RX_TIMEOUT_IRQ = 7, + IBEX_UART0_RX_BREAK_ERR_IRQ = 6, + IBEX_UART0_RX_FRAME_ERR_IRQ = 5, + IBEX_UART0_RX_OVERFLOW_IRQ = 4, + IBEX_UART0_TX_EMPTY_IRQ = 3, + IBEX_UART0_RX_WATERMARK_IRQ = 2, + IBEX_UART0_TX_WATERMARK_IRQ = 1, }; #endif diff --git a/include/hw/riscv/shakti_c.h b/include/hw/riscv/shakti_c.h new file mode 100644 index 0000000000..50a2b79086 --- /dev/null +++ b/include/hw/riscv/shakti_c.h @@ -0,0 +1,75 @@ +/* + * Shakti C-class SoC emulation + * + * Copyright (c) 2021 Vijai Kumar K <vijai@behindbytes.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef HW_SHAKTI_H +#define HW_SHAKTI_H + +#include "hw/riscv/riscv_hart.h" +#include "hw/boards.h" +#include "hw/char/shakti_uart.h" + +#define TYPE_RISCV_SHAKTI_SOC "riscv.shakti.cclass.soc" +#define RISCV_SHAKTI_SOC(obj) \ + OBJECT_CHECK(ShaktiCSoCState, (obj), TYPE_RISCV_SHAKTI_SOC) + +typedef struct ShaktiCSoCState { + /*< private >*/ + DeviceState parent_obj; + + /*< public >*/ + RISCVHartArrayState cpus; + DeviceState *plic; + ShaktiUartState uart; + MemoryRegion rom; + +} ShaktiCSoCState; + +#define TYPE_RISCV_SHAKTI_MACHINE MACHINE_TYPE_NAME("shakti_c") +#define RISCV_SHAKTI_MACHINE(obj) \ + OBJECT_CHECK(ShaktiCMachineState, (obj), TYPE_RISCV_SHAKTI_MACHINE) +typedef struct ShaktiCMachineState { + /*< private >*/ + MachineState parent_obj; + + /*< public >*/ + ShaktiCSoCState soc; +} ShaktiCMachineState; + +enum { + SHAKTI_C_ROM, + SHAKTI_C_RAM, + SHAKTI_C_UART, + SHAKTI_C_GPIO, + SHAKTI_C_PLIC, + SHAKTI_C_CLINT, + SHAKTI_C_I2C, +}; + +#define SHAKTI_C_PLIC_HART_CONFIG "MS" +/* Including Interrupt ID 0 (no interrupt)*/ +#define SHAKTI_C_PLIC_NUM_SOURCES 28 +/* Excluding Priority 0 */ +#define SHAKTI_C_PLIC_NUM_PRIORITIES 2 +#define SHAKTI_C_PLIC_PRIORITY_BASE 0x04 +#define SHAKTI_C_PLIC_PENDING_BASE 0x1000 +#define SHAKTI_C_PLIC_ENABLE_BASE 0x2000 +#define SHAKTI_C_PLIC_ENABLE_STRIDE 0x80 +#define SHAKTI_C_PLIC_CONTEXT_BASE 0x200000 +#define SHAKTI_C_PLIC_CONTEXT_STRIDE 0x1000 + +#endif |