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/*
* 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_C_H
#define HW_SHAKTI_C_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
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