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