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/*
* SiFive U series machine interface
*
* Copyright (c) 2017 SiFive, Inc.
*
* 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_SIFIVE_U_H
#define HW_SIFIVE_U_H
#include "hw/net/cadence_gem.h"
#include "hw/riscv/riscv_hart.h"
#define TYPE_RISCV_U_SOC "riscv.sifive.u.soc"
#define RISCV_U_SOC(obj) \
OBJECT_CHECK(SiFiveUSoCState, (obj), TYPE_RISCV_U_SOC)
typedef struct SiFiveUSoCState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
RISCVHartArrayState cpus;
DeviceState *plic;
CadenceGEMState gem;
} SiFiveUSoCState;
typedef struct SiFiveUState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
SiFiveUSoCState soc;
void *fdt;
int fdt_size;
} SiFiveUState;
enum {
SIFIVE_U_DEBUG,
SIFIVE_U_MROM,
SIFIVE_U_CLINT,
SIFIVE_U_PLIC,
SIFIVE_U_UART0,
SIFIVE_U_UART1,
SIFIVE_U_DRAM,
SIFIVE_U_GEM
};
enum {
SIFIVE_U_UART0_IRQ = 3,
SIFIVE_U_UART1_IRQ = 4,
SIFIVE_U_GEM_IRQ = 0x35
};
enum {
SIFIVE_U_CLOCK_FREQ = 1000000000,
SIFIVE_U_GEM_CLOCK_FREQ = 125000000
};
#define SIFIVE_U_PLIC_HART_CONFIG "MS"
#define SIFIVE_U_PLIC_NUM_SOURCES 54
#define SIFIVE_U_PLIC_NUM_PRIORITIES 7
#define SIFIVE_U_PLIC_PRIORITY_BASE 0x04
#define SIFIVE_U_PLIC_PENDING_BASE 0x1000
#define SIFIVE_U_PLIC_ENABLE_BASE 0x2000
#define SIFIVE_U_PLIC_ENABLE_STRIDE 0x80
#define SIFIVE_U_PLIC_CONTEXT_BASE 0x200000
#define SIFIVE_U_PLIC_CONTEXT_STRIDE 0x1000
#if defined(TARGET_RISCV32)
#define SIFIVE_U_CPU TYPE_RISCV_CPU_SIFIVE_U34
#elif defined(TARGET_RISCV64)
#define SIFIVE_U_CPU TYPE_RISCV_CPU_SIFIVE_U54
#endif
#endif
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