1050a99a6SPankaj Gupta /* 2*d60364d4SJiafei Pan * Copyright 2017-2022 NXP 3050a99a6SPankaj Gupta * 4050a99a6SPankaj Gupta * SPDX-License-Identifier: BSD-3-Clause 5050a99a6SPankaj Gupta * 6050a99a6SPankaj Gupta */ 7050a99a6SPankaj Gupta 8050a99a6SPankaj Gupta #ifndef CAAM_H 9050a99a6SPankaj Gupta #define CAAM_H 10050a99a6SPankaj Gupta 11050a99a6SPankaj Gupta #include "caam_io.h" 12050a99a6SPankaj Gupta #include "sec_jr_driver.h" 13050a99a6SPankaj Gupta 14050a99a6SPankaj Gupta 15050a99a6SPankaj Gupta /* Job ring 3 is reserved for usage by sec firmware */ 16050a99a6SPankaj Gupta #define DEFAULT_JR 3 17050a99a6SPankaj Gupta 18*d60364d4SJiafei Pan #if defined(CONFIG_CHASSIS_3_2) || defined(CONFIG_CHASSIS_3) || defined(CONFIG_CHASSIS_2) 19050a99a6SPankaj Gupta #define CAAM_JR0_OFFSET 0x10000 20050a99a6SPankaj Gupta #define CAAM_JR1_OFFSET 0x20000 21050a99a6SPankaj Gupta #define CAAM_JR2_OFFSET 0x30000 22050a99a6SPankaj Gupta #define CAAM_JR3_OFFSET 0x40000 23050a99a6SPankaj Gupta #endif 24050a99a6SPankaj Gupta 25050a99a6SPankaj Gupta enum sig_alg { 26050a99a6SPankaj Gupta RSA, 27050a99a6SPankaj Gupta ECC 28050a99a6SPankaj Gupta }; 29050a99a6SPankaj Gupta 30050a99a6SPankaj Gupta /* This function does basic SEC Initialization */ 31050a99a6SPankaj Gupta int sec_init(uintptr_t nxp_caam_addr); 32050a99a6SPankaj Gupta int config_sec_block(void); 33050a99a6SPankaj Gupta uintptr_t get_caam_addr(void); 34050a99a6SPankaj Gupta 35050a99a6SPankaj Gupta /* This function is used to submit jobs to JR */ 36050a99a6SPankaj Gupta int run_descriptor_jr(struct job_descriptor *desc); 37050a99a6SPankaj Gupta 38050a99a6SPankaj Gupta /* This function is used to instatiate the HW RNG is already not instantiated */ 39050a99a6SPankaj Gupta int hw_rng_instantiate(void); 40050a99a6SPankaj Gupta 41050a99a6SPankaj Gupta /* This function is used to return random bytes of byte_len from HW RNG */ 42050a99a6SPankaj Gupta int get_rand_bytes_hw(uint8_t *bytes, int byte_len); 43050a99a6SPankaj Gupta 44050a99a6SPankaj Gupta /* This function is used to set the hw unique key from HW CAAM */ 45050a99a6SPankaj Gupta int get_hw_unq_key_blob_hw(uint8_t *hw_key, int size); 46050a99a6SPankaj Gupta 47050a99a6SPankaj Gupta /* This function is used to fetch random number from 48050a99a6SPankaj Gupta * CAAM of length either of 4 bytes or 8 bytes depending 49050a99a6SPankaj Gupta * rngWidth value. 50050a99a6SPankaj Gupta */ 51050a99a6SPankaj Gupta unsigned long long get_random(int rngWidth); 52050a99a6SPankaj Gupta 53050a99a6SPankaj Gupta #endif /* CAAM_H */ 54