diff options
Diffstat (limited to 'include/hw/misc/sifive_u_otp.h')
| -rw-r--r-- | include/hw/misc/sifive_u_otp.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/include/hw/misc/sifive_u_otp.h b/include/hw/misc/sifive_u_otp.h new file mode 100644 index 000000000..5d0d7df45 --- /dev/null +++ b/include/hw/misc/sifive_u_otp.h @@ -0,0 +1,87 @@ +/* + * 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 "qom/object.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 */ |