1 /* 2 * Copyright (c) 2016-2020, Broadcom 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef SOTP_H 8 #define SOTP_H 9 10 #include <stddef.h> 11 #include <stdint.h> 12 13 #include <platform_sotp.h> 14 15 #define SOTP_ROW_NO_ECC 0 16 #define SOTP_ROW_ECC 1 17 18 #define SOTP_STATUS_1 (SOTP_REGS_OTP_BASE + 0x001c) 19 #define SOTP_FAIL_BITS 0x18000000000 20 #define SOTP_ECC_ERR_DETECT 0x8000000000000000 21 22 #define SOTP_REGS_SOTP_CHIP_STATES (SOTP_REGS_OTP_BASE + 0x0028) 23 #define SOTP_REGS_OTP_WR_LOCK (SOTP_REGS_OTP_BASE + 0x0038) 24 25 #define SOTP_CHIP_STATES_MANU_DEBUG_MASK (1 << 8) 26 #define SOTP_DEVICE_SECURE_CFG0_OTP_ERASED_MASK (3 << 16) 27 #define SOTP_REGS_SOTP_CHIP_STATES_OTP_ERASED_MASK (1 << 16) 28 29 #define SOTP_DEVICE_SECURE_CFG0_CID_MASK (3 << 2) 30 #define SOTP_DEVICE_SECURE_CFG0_AB_MASK (3 << 6) 31 #define SOTP_DEVICE_SECURE_CFG0_DEV_MASK (3 << 8) 32 33 #define SOTP_BOOT_SOURCE_SHIFT 8 34 /* bits 14 and 15 */ 35 #define SOTP_BOOT_SOURCE_ENABLE_MASK (0xC0 << SOTP_BOOT_SOURCE_SHIFT) 36 /* bits 8 to 13 */ 37 #define SOTP_BOOT_SOURCE_BITS0 (0x03 << SOTP_BOOT_SOURCE_SHIFT) 38 #define SOTP_BOOT_SOURCE_BITS1 (0x0C << SOTP_BOOT_SOURCE_SHIFT) 39 #define SOTP_BOOT_SOURCE_BITS2 (0x30 << SOTP_BOOT_SOURCE_SHIFT) 40 #define SOTP_BOOT_SOURCE_MASK (0x3F << SOTP_BOOT_SOURCE_SHIFT) 41 42 #define SOTP_ATF_CFG_ROW_ID SOTP_DEVICE_SECURE_CFG2_ROW 43 /* bits 28 and 29 */ 44 #define SOTP_SBL_MASK (3 << 28) 45 /* bits 30 and 31 */ 46 #define SOTP_ATF_NVCOUNTER_ENABLE_MASK ((uint64_t)3 << 30) 47 /* bits 32 and 33 */ 48 #define SOTP_ATF_WATCHDOG_ENABLE_MASK ((uint64_t)3 << 32) 49 /* bits 34 and 35 */ 50 #define SOTP_ATF_PLL_ON ((uint64_t)3 << 34) 51 /* bits 36 and 37 */ 52 #define SOTP_ATF_RESET_RETRY ((uint64_t)3 << 36) 53 /* bits 38 to 40 */ 54 #define SOTP_ATF_LOG_LEVEL_SHIFT 38 55 #define SOTP_ATF_LOG_LEVEL ((uint64_t)7 << SOTP_ATF_LOG_LEVEL_SHIFT) 56 57 #define SOTP_ATF2_CFG_ROW_ID SOTP_DEVICE_SECURE_CFG3_ROW 58 /* bits 16 and 17 */ 59 #define SOTP_ROMKEY_MASK (3 << 16) 60 /* bits 18 and 19 */ 61 #define SOTP_EC_EN_MASK (3 << 18) 62 63 #define SOTP_ENC_DEV_TYPE_AB_DEV ((uint64_t)0x19999800000) 64 #define SOTP_ENC_DEV_TYPE_MASK ((uint64_t)0x1ffff800000) 65 66 uint64_t sotp_mem_read(uint32_t offset, uint32_t sotp_add_ecc); 67 void sotp_mem_write(uint32_t addr, uint32_t sotp_add_ecc, uint64_t wdata); 68 int sotp_read_key(uint8_t *key, size_t keysize, int start_row, int end_row); 69 int sotp_key_erased(void); 70 uint32_t sotp_redundancy_reduction(uint32_t sotp_row_data); 71 #endif 72