2019-11-18 19:01:42 +08:00
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# RV32M1 entropy generator driver configuration
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2019-04-08 23:12:40 +08:00
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# Copyright 2019 NXP
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# SPDX-License-Identifier: Apache-2.0
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2019-11-14 12:44:34 +08:00
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config ENTROPY_RV32M1_TRNG
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2019-04-08 23:12:40 +08:00
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bool "RV32M1 TRNG driver"
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depends on ENTROPY_GENERATOR && SOC_OPENISA_RV32M1_RISCV32
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select ENTROPY_HAS_DRIVER
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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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2019-09-19 18:19:55 +08:00
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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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