sifive_u_otp.h (2513B)
1 /* 2 * QEMU SiFive U OTP (One-Time Programmable) Memory interface 3 * 4 * Copyright (c) 2019 Bin Meng <bmeng.cn@gmail.com> 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2 or later, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 * 15 * You should have received a copy of the GNU General Public License along with 16 * this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #ifndef HW_SIFIVE_U_OTP_H 20 #define HW_SIFIVE_U_OTP_H 21 #include "qom/object.h" 22 23 #define SIFIVE_U_OTP_PA 0x00 24 #define SIFIVE_U_OTP_PAIO 0x04 25 #define SIFIVE_U_OTP_PAS 0x08 26 #define SIFIVE_U_OTP_PCE 0x0C 27 #define SIFIVE_U_OTP_PCLK 0x10 28 #define SIFIVE_U_OTP_PDIN 0x14 29 #define SIFIVE_U_OTP_PDOUT 0x18 30 #define SIFIVE_U_OTP_PDSTB 0x1C 31 #define SIFIVE_U_OTP_PPROG 0x20 32 #define SIFIVE_U_OTP_PTC 0x24 33 #define SIFIVE_U_OTP_PTM 0x28 34 #define SIFIVE_U_OTP_PTM_REP 0x2C 35 #define SIFIVE_U_OTP_PTR 0x30 36 #define SIFIVE_U_OTP_PTRIM 0x34 37 #define SIFIVE_U_OTP_PWE 0x38 38 39 #define SIFIVE_U_OTP_PWE_EN (1 << 0) 40 41 #define SIFIVE_U_OTP_PCE_EN (1 << 0) 42 43 #define SIFIVE_U_OTP_PDSTB_EN (1 << 0) 44 45 #define SIFIVE_U_OTP_PTRIM_EN (1 << 0) 46 47 #define SIFIVE_U_OTP_PA_MASK 0xfff 48 #define SIFIVE_U_OTP_NUM_FUSES 0x1000 49 #define SIFIVE_U_OTP_FUSE_WORD 4 50 #define SIFIVE_U_OTP_SERIAL_ADDR 0xfc 51 52 #define SIFIVE_U_OTP_REG_SIZE 0x1000 53 54 #define TYPE_SIFIVE_U_OTP "riscv.sifive.u.otp" 55 56 typedef struct SiFiveUOTPState SiFiveUOTPState; 57 DECLARE_INSTANCE_CHECKER(SiFiveUOTPState, SIFIVE_U_OTP, 58 TYPE_SIFIVE_U_OTP) 59 60 struct SiFiveUOTPState { 61 /*< private >*/ 62 SysBusDevice parent_obj; 63 64 /*< public >*/ 65 MemoryRegion mmio; 66 uint32_t pa; 67 uint32_t paio; 68 uint32_t pas; 69 uint32_t pce; 70 uint32_t pclk; 71 uint32_t pdin; 72 uint32_t pdstb; 73 uint32_t pprog; 74 uint32_t ptc; 75 uint32_t ptm; 76 uint32_t ptm_rep; 77 uint32_t ptr; 78 uint32_t ptrim; 79 uint32_t pwe; 80 uint32_t fuse[SIFIVE_U_OTP_NUM_FUSES]; 81 uint32_t fuse_wo[SIFIVE_U_OTP_NUM_FUSES]; 82 /* config */ 83 uint32_t serial; 84 BlockBackend *blk; 85 }; 86 87 #endif /* HW_SIFIVE_U_OTP_H */