| 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. | |
| config RNG_EXYNOS | |
| bool "Samsung Exynos True Random Number Generator support" | |
| depends on DM_RNG | |
| help | |
| Enable support for True Random Number Generator (TRNG) available on | |
| Exynos SoCs. | |
| On some chips (like Exynos850) TRNG registers are protected with TZPC | |
| (TrustZone Protection Control). For such chips the driver provides an | |
| implementation based on SMC calls to EL3 monitor program. In that | |
| case the LDFW (Loadable Firmware) has to be loaded first, as it | |
| actually implements TRNG SMC calls. | |
| endif |