54 lines
1.8 KiB
Plaintext
54 lines
1.8 KiB
Plaintext
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# Smartbond TRNG configuration
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# Copyright (c) 2023 Renesas Electronics Corporation
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# SPDX-License-Identifier: Apache-2.0
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config ENTROPY_SMARTBOND_TRNG
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bool "Renesas Smartbond MCU Family True Random Number Generator (TRNG) Driver"
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default y
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depends on DT_HAS_RENESAS_SMARTBOND_TRNG_ENABLED
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select ENTROPY_HAS_DRIVER
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help
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Enable True Random Number Generator (TRNG) driver for Renesas Smartbond MCUs.
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if ENTROPY_SMARTBOND_TRNG
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config ENTROPY_SMARTBOND_THR_POOL_SIZE
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int "Thread-mode random number pool size"
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range ENTROPY_SMARTBOND_THR_THRESHOLD 256
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default 8
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help
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Buffer length in bytes used to store entropy bytes generated by the
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hardware to make them ready for thread mode consumers.
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Please note, that size of the pool must be a power of 2.
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config ENTROPY_SMARTBOND_THR_THRESHOLD
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int "Thread-mode random number pool low-water threshold"
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range 4 255
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help
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Low water-mark threshold in bytes to trigger entropy generation for
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thread mode consumers. As soon as the number of available bytes in the
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buffer goes below this number hardware entropy generation will be
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started.
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config ENTROPY_SMARTBOND_ISR_POOL_SIZE
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int "ISR-mode random number pool size"
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range ENTROPY_SMARTBOND_ISR_THRESHOLD 256
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default 16
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help
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Buffer length in bytes used to store entropy bytes generated by the
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hardware to make them ready for ISR consumers.
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Please note, that size of the pool must be a power of 2.
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config ENTROPY_SMARTBOND_ISR_THRESHOLD
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int "ISR-mode random number pool low-water threshold"
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range 12 255
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help
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Low water-mark threshold in bytes to trigger entropy generation for
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ISR consumers. As soon as the number of available bytes in the
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buffer goes below this number hardware entropy generation will be
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started.
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endif # ENTROPY_SMARTBOND_TRNG
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