blob: 6cc1f3dfd97cb3e45ed3b1013a5338ca160bfb65 [file] [log] [blame]
/*
* Copyright 2017-2022 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*
*/
#ifndef CAAM_H
#define CAAM_H
#include "caam_io.h"
#include "sec_jr_driver.h"
/* Job ring 3 is reserved for usage by sec firmware */
#define DEFAULT_JR 3
#if defined(CONFIG_CHASSIS_3_2) || defined(CONFIG_CHASSIS_3) || defined(CONFIG_CHASSIS_2)
#define CAAM_JR0_OFFSET 0x10000
#define CAAM_JR1_OFFSET 0x20000
#define CAAM_JR2_OFFSET 0x30000
#define CAAM_JR3_OFFSET 0x40000
#endif
enum sig_alg {
RSA,
ECC
};
/* This function does basic SEC Initialization */
int sec_init(uintptr_t nxp_caam_addr);
int config_sec_block(void);
uintptr_t get_caam_addr(void);
/* This function is used to submit jobs to JR */
int run_descriptor_jr(struct job_descriptor *desc);
/* This function is used to instatiate the HW RNG is already not instantiated */
int hw_rng_instantiate(void);
/* This function is used to return random bytes of byte_len from HW RNG */
int get_rand_bytes_hw(uint8_t *bytes, int byte_len);
/* This function is used to set the hw unique key from HW CAAM */
int get_hw_unq_key_blob_hw(uint8_t *hw_key, int size);
/* This function is used to fetch random number from
* CAAM of length either of 4 bytes or 8 bytes depending
* rngWidth value.
*/
unsigned long long get_random(int rngWidth);
#endif /* CAAM_H */