1*050a99a6SPankaj Gupta /* 2*050a99a6SPankaj Gupta * Copyright 2017-2021 NXP 3*050a99a6SPankaj Gupta * 4*050a99a6SPankaj Gupta * SPDX-License-Identifier: BSD-3-Clause 5*050a99a6SPankaj Gupta * 6*050a99a6SPankaj Gupta */ 7*050a99a6SPankaj Gupta 8*050a99a6SPankaj Gupta #ifndef CAAM_H 9*050a99a6SPankaj Gupta #define CAAM_H 10*050a99a6SPankaj Gupta 11*050a99a6SPankaj Gupta #include "caam_io.h" 12*050a99a6SPankaj Gupta #include "sec_jr_driver.h" 13*050a99a6SPankaj Gupta 14*050a99a6SPankaj Gupta 15*050a99a6SPankaj Gupta /* Job ring 3 is reserved for usage by sec firmware */ 16*050a99a6SPankaj Gupta #define DEFAULT_JR 3 17*050a99a6SPankaj Gupta 18*050a99a6SPankaj Gupta #if defined(CONFIG_CHASSIS_3_2) || defined(CONFIG_CHASSIS_2) 19*050a99a6SPankaj Gupta #define CAAM_JR0_OFFSET 0x10000 20*050a99a6SPankaj Gupta #define CAAM_JR1_OFFSET 0x20000 21*050a99a6SPankaj Gupta #define CAAM_JR2_OFFSET 0x30000 22*050a99a6SPankaj Gupta #define CAAM_JR3_OFFSET 0x40000 23*050a99a6SPankaj Gupta #endif 24*050a99a6SPankaj Gupta 25*050a99a6SPankaj Gupta enum sig_alg { 26*050a99a6SPankaj Gupta RSA, 27*050a99a6SPankaj Gupta ECC 28*050a99a6SPankaj Gupta }; 29*050a99a6SPankaj Gupta 30*050a99a6SPankaj Gupta /* This function does basic SEC Initialization */ 31*050a99a6SPankaj Gupta int sec_init(uintptr_t nxp_caam_addr); 32*050a99a6SPankaj Gupta int config_sec_block(void); 33*050a99a6SPankaj Gupta uintptr_t get_caam_addr(void); 34*050a99a6SPankaj Gupta 35*050a99a6SPankaj Gupta /* This function is used to submit jobs to JR */ 36*050a99a6SPankaj Gupta int run_descriptor_jr(struct job_descriptor *desc); 37*050a99a6SPankaj Gupta 38*050a99a6SPankaj Gupta /* This function is used to instatiate the HW RNG is already not instantiated */ 39*050a99a6SPankaj Gupta int hw_rng_instantiate(void); 40*050a99a6SPankaj Gupta 41*050a99a6SPankaj Gupta /* This function is used to return random bytes of byte_len from HW RNG */ 42*050a99a6SPankaj Gupta int get_rand_bytes_hw(uint8_t *bytes, int byte_len); 43*050a99a6SPankaj Gupta 44*050a99a6SPankaj Gupta /* This function is used to set the hw unique key from HW CAAM */ 45*050a99a6SPankaj Gupta int get_hw_unq_key_blob_hw(uint8_t *hw_key, int size); 46*050a99a6SPankaj Gupta 47*050a99a6SPankaj Gupta /* This function is used to fetch random number from 48*050a99a6SPankaj Gupta * CAAM of length either of 4 bytes or 8 bytes depending 49*050a99a6SPankaj Gupta * rngWidth value. 50*050a99a6SPankaj Gupta */ 51*050a99a6SPankaj Gupta unsigned long long get_random(int rngWidth); 52*050a99a6SPankaj Gupta 53*050a99a6SPankaj Gupta #endif /* CAAM_H */ 54