20 lines
597 B
Plaintext
20 lines
597 B
Plaintext
# RV32M1 entropy generator driver configuration
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# Copyright 2019 NXP
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# SPDX-License-Identifier: Apache-2.0
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config ENTROPY_RV32M1_TRNG
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bool "RV32M1 TRNG driver"
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depends on SOC_OPENISA_RV32M1_RISCV32
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select ENTROPY_HAS_DRIVER
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select HAS_DTS_ENTROPY
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help
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This option enables the true random number generator (TRNG)
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driver based on the RV32M1 TRNG driver.
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# Don't use use the RV32M1 TRNG as a random source since it can be quite slow.
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# Instead, use the software implemented xoroshiro RNG.
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choice RNG_GENERATOR_CHOICE
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default XOROSHIRO_RANDOM_GENERATOR if ENTROPY_RV32M1_TRNG
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endchoice
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