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config DM_RNG
bool "Driver support for Random Number Generator devices"
depends on DM
help
Enable driver model for random number generator(rng) devices.
This interface is used to initialise the rng device and to
read the random seed from the device.
config SPL_DM_RNG
bool "Driver support for Random Number Generator devices in SPL"
depends on SPL_DM
help
This option is an SPL-variant of the DM_RNG option.
See the help of DM_RNG for details.
if DM_RNG
config RNG_MESON
bool "Amlogic Meson Random Number Generator support"
depends on ARCH_MESON
default y
help
Enable support for hardware random number generator
of Amlogic Meson SoCs.
config RNG_SANDBOX
bool "Sandbox random number generator"
depends on SANDBOX
default y
help
Enable random number generator for sandbox. This is an
emulation of a rng device.
config RNG_MSM
bool "Qualcomm SoCs Random Number Generator support"
depends on DM_RNG
help
This driver provides support for the Random Number
Generator hardware found on Qualcomm SoCs.
config RNG_NPCM
bool "Nuvoton NPCM SoCs Random Number Generator support"
depends on DM_RNG
help
Enable random number generator on NPCM SoCs.
This unit can provide 750 to 1000 random bits per second
config RNG_OPTEE
bool "OP-TEE based Random Number Generator support"
depends on DM_RNG && OPTEE
default y if OPTEE_SERVICE_DISCOVERY
help
This driver provides support for the OP-TEE based Random Number
Generator on ARM SoCs where hardware entropy sources are not
accessible to normal world but reserved and used by the OP-TEE
to avoid the weakness of a software PRNG.
config RNG_RISCV_ZKR
bool "RISC-V Zkr random number generator"
depends on RISCV_SMODE
help
This driver provides a Random Number Generator based on the
Zkr RISC-V ISA extension which provides an interface to an
NIST SP 800-90B or BSI AIS-31 compliant physical entropy source.
config RNG_STM32
bool "Enable random number generator for STM32"
depends on ARCH_STM32 || ARCH_STM32MP
help
Enable STM32 rng driver.
config RNG_ROCKCHIP
bool "Enable random number generator for rockchip crypto rng"
depends on ARCH_ROCKCHIP && DM_RNG
help
Enable random number generator for rockchip. This driver
supports the rng module of crypto v1, crypto v2, and the
trng module of the rk3588 series.
config RNG_IPROC200
bool "Broadcom iProc RNG200 random number generator"
depends on DM_RNG
help
Enable random number generator for RPI4.
config RNG_SMCCC_TRNG
bool "Arm SMCCC TRNG interface"
depends on DM_RNG && ARM_PSCI_FW
default y if ARM_SMCCC_FEATURES
help
Enable random number generator for platforms that support Arm
SMCCC TRNG interface.
config RNG_ARM_RNDR
bool "Generic ARMv8.5 RNDR register"
depends on DM_RNG && ARM64
help
Use the ARMv8.5 RNDR register to provide random numbers.
config TPM_RNG
bool "Enable random number generator on TPM device"
depends on TPM
default y
help
The TPM device has an inbuilt random number generator
functionality. Enable random number generator on TPM
devices.
config RNG_JH7110
bool "StarFive JH7110 Random Number Generator support"
depends on DM_RNG && STARFIVE_JH7110
help
Enable True Random Number Generator in StarFive JH7110 SoCs.
config RNG_TURRIS_RWTM
bool "Turris Mox TRNG in Secure Processor"
depends on DM_RNG && ARMADA_3700
help
Use TRNG in Turris Mox Secure Processor Firmware. Can be used
on other Armada-3700 devices (like EspressoBin) if Secure
Firmware from CZ.NIC is used.
endif
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