54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
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/*
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* Copyright 2017-2021 NXP
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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*/
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#ifndef CAAM_H
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#define CAAM_H
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#include "caam_io.h"
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#include "sec_jr_driver.h"
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/* Job ring 3 is reserved for usage by sec firmware */
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#define DEFAULT_JR 3
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#if defined(CONFIG_CHASSIS_3_2) || defined(CONFIG_CHASSIS_2)
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#define CAAM_JR0_OFFSET 0x10000
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#define CAAM_JR1_OFFSET 0x20000
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#define CAAM_JR2_OFFSET 0x30000
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#define CAAM_JR3_OFFSET 0x40000
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#endif
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enum sig_alg {
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RSA,
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ECC
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};
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/* This function does basic SEC Initialization */
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int sec_init(uintptr_t nxp_caam_addr);
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int config_sec_block(void);
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uintptr_t get_caam_addr(void);
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/* This function is used to submit jobs to JR */
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int run_descriptor_jr(struct job_descriptor *desc);
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/* This function is used to instatiate the HW RNG is already not instantiated */
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int hw_rng_instantiate(void);
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/* This function is used to return random bytes of byte_len from HW RNG */
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int get_rand_bytes_hw(uint8_t *bytes, int byte_len);
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/* This function is used to set the hw unique key from HW CAAM */
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int get_hw_unq_key_blob_hw(uint8_t *hw_key, int size);
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/* This function is used to fetch random number from
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* CAAM of length either of 4 bytes or 8 bytes depending
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* rngWidth value.
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*/
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unsigned long long get_random(int rngWidth);
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#endif /* CAAM_H */
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