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/*
* QEMU SiFive U OTP (One-Time Programmable) Memory interface
*
* Copyright (c) 2019 Bin Meng <bmeng.cn@gmail.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_SIFIVE_U_OTP_H
#define HW_SIFIVE_U_OTP_H
#include "hw/sysbus.h"
#define SIFIVE_U_OTP_PA 0x00
#define SIFIVE_U_OTP_PAIO 0x04
#define SIFIVE_U_OTP_PAS 0x08
#define SIFIVE_U_OTP_PCE 0x0C
#define SIFIVE_U_OTP_PCLK 0x10
#define SIFIVE_U_OTP_PDIN 0x14
#define SIFIVE_U_OTP_PDOUT 0x18
#define SIFIVE_U_OTP_PDSTB 0x1C
#define SIFIVE_U_OTP_PPROG 0x20
#define SIFIVE_U_OTP_PTC 0x24
#define SIFIVE_U_OTP_PTM 0x28
#define SIFIVE_U_OTP_PTM_REP 0x2C
#define SIFIVE_U_OTP_PTR 0x30
#define SIFIVE_U_OTP_PTRIM 0x34
#define SIFIVE_U_OTP_PWE 0x38
#define SIFIVE_U_OTP_PWE_EN (1 << 0)
#define SIFIVE_U_OTP_PCE_EN (1 << 0)
#define SIFIVE_U_OTP_PDSTB_EN (1 << 0)
#define SIFIVE_U_OTP_PTRIM_EN (1 << 0)
#define SIFIVE_U_OTP_PA_MASK 0xfff
#define SIFIVE_U_OTP_NUM_FUSES 0x1000
#define SIFIVE_U_OTP_FUSE_WORD 4
#define SIFIVE_U_OTP_SERIAL_ADDR 0xfc
#define SIFIVE_U_OTP_REG_SIZE 0x1000
#define TYPE_SIFIVE_U_OTP "riscv.sifive.u.otp"
typedef struct SiFiveUOTPState SiFiveUOTPState;
DECLARE_INSTANCE_CHECKER(SiFiveUOTPState, SIFIVE_U_OTP,
TYPE_SIFIVE_U_OTP)
struct SiFiveUOTPState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
MemoryRegion mmio;
uint32_t pa;
uint32_t paio;
uint32_t pas;
uint32_t pce;
uint32_t pclk;
uint32_t pdin;
uint32_t pdstb;
uint32_t pprog;
uint32_t ptc;
uint32_t ptm;
uint32_t ptm_rep;
uint32_t ptr;
uint32_t ptrim;
uint32_t pwe;
uint32_t fuse[SIFIVE_U_OTP_NUM_FUSES];
uint32_t fuse_wo[SIFIVE_U_OTP_NUM_FUSES];
/* config */
uint32_t serial;
BlockBackend *blk;
};
#endif /* HW_SIFIVE_U_OTP_H */
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