| Sughosh Ganu | a248768 | 2019-12-28 23:58:27 +0530 | [diff] [blame] | 1 | config DM_RNG |
| 2 | bool "Driver support for Random Number Generator devices" |
| 3 | depends on DM |
| 4 | help |
| 5 | Enable driver model for random number generator(rng) devices. |
| 6 | This interface is used to initialise the rng device and to |
| 7 | read the random seed from the device. |
| Sughosh Ganu | 231ec90 | 2019-12-28 23:58:29 +0530 | [diff] [blame] | 8 | |
| Marek Vasut | 591257b | 2024-04-26 01:02:07 +0200 | [diff] [blame] | 9 | config SPL_DM_RNG |
| 10 | bool "Driver support for Random Number Generator devices in SPL" |
| 11 | depends on SPL_DM |
| 12 | help |
| 13 | This option is an SPL-variant of the DM_RNG option. |
| 14 | See the help of DM_RNG for details. |
| 15 | |
| Heinrich Schuchardt | c312c4b | 2020-02-02 19:45:35 +0100 | [diff] [blame] | 16 | if DM_RNG |
| 17 | |
| Heinrich Schuchardt | bc40eb2 | 2020-02-02 19:52:04 +0100 | [diff] [blame] | 18 | config RNG_MESON |
| 19 | bool "Amlogic Meson Random Number Generator support" |
| 20 | depends on ARCH_MESON |
| 21 | default y |
| 22 | help |
| 23 | Enable support for hardware random number generator |
| 24 | of Amlogic Meson SoCs. |
| 25 | |
| Sughosh Ganu | ff0dada | 2019-12-28 23:58:31 +0530 | [diff] [blame] | 26 | config RNG_SANDBOX |
| 27 | bool "Sandbox random number generator" |
| Heinrich Schuchardt | c312c4b | 2020-02-02 19:45:35 +0100 | [diff] [blame] | 28 | depends on SANDBOX |
| 29 | default y |
| Sughosh Ganu | ff0dada | 2019-12-28 23:58:31 +0530 | [diff] [blame] | 30 | help |
| 31 | Enable random number generator for sandbox. This is an |
| 32 | emulation of a rng device. |
| 33 | |
| Robert Marko | 033ec63 | 2020-10-08 22:05:13 +0200 | [diff] [blame] | 34 | config RNG_MSM |
| 35 | bool "Qualcomm SoCs Random Number Generator support" |
| 36 | depends on DM_RNG |
| 37 | help |
| 38 | This driver provides support for the Random Number |
| 39 | Generator hardware found on Qualcomm SoCs. |
| 40 | |
| Jim Liu | 866eab1 | 2022-05-24 16:56:57 +0800 | [diff] [blame] | 41 | config RNG_NPCM |
| 42 | bool "Nuvoton NPCM SoCs Random Number Generator support" |
| 43 | depends on DM_RNG |
| 44 | help |
| 45 | Enable random number generator on NPCM SoCs. |
| 46 | This unit can provide 750 to 1000 random bits per second |
| 47 | |
| Patrick Delaunay | fd52e7f | 2022-03-29 14:21:23 +0200 | [diff] [blame] | 48 | config RNG_OPTEE |
| 49 | bool "OP-TEE based Random Number Generator support" |
| 50 | depends on DM_RNG && OPTEE |
| Etienne Carriere | 57fb86a | 2022-07-26 16:21:43 +0200 | [diff] [blame] | 51 | default y if OPTEE_SERVICE_DISCOVERY |
| Patrick Delaunay | fd52e7f | 2022-03-29 14:21:23 +0200 | [diff] [blame] | 52 | help |
| 53 | This driver provides support for the OP-TEE based Random Number |
| 54 | Generator on ARM SoCs where hardware entropy sources are not |
| 55 | accessible to normal world but reserved and used by the OP-TEE |
| 56 | to avoid the weakness of a software PRNG. |
| 57 | |
| Heinrich Schuchardt | ceec977 | 2023-10-31 14:55:52 +0200 | [diff] [blame] | 58 | config RNG_RISCV_ZKR |
| 59 | bool "RISC-V Zkr random number generator" |
| 60 | depends on RISCV_SMODE |
| 61 | help |
| 62 | This driver provides a Random Number Generator based on the |
| 63 | Zkr RISC-V ISA extension which provides an interface to an |
| 64 | NIST SP 800-90B or BSI AIS-31 compliant physical entropy source. |
| 65 | |
| Gatien Chevallier | 77e0c60 | 2023-09-19 17:27:53 +0200 | [diff] [blame] | 66 | config RNG_STM32 |
| 67 | bool "Enable random number generator for STM32" |
| 68 | depends on ARCH_STM32 || ARCH_STM32MP |
| Sughosh Ganu | 231ec90 | 2019-12-28 23:58:29 +0530 | [diff] [blame] | 69 | help |
| Gatien Chevallier | 77e0c60 | 2023-09-19 17:27:53 +0200 | [diff] [blame] | 70 | Enable STM32 rng driver. |
| Heinrich Schuchardt | c312c4b | 2020-02-02 19:45:35 +0100 | [diff] [blame] | 71 | |
| Lin Jinhan | 6e7353e | 2020-03-31 17:39:59 +0800 | [diff] [blame] | 72 | config RNG_ROCKCHIP |
| 73 | bool "Enable random number generator for rockchip crypto rng" |
| 74 | depends on ARCH_ROCKCHIP && DM_RNG |
| Lin Jinhan | 6e7353e | 2020-03-31 17:39:59 +0800 | [diff] [blame] | 75 | help |
| Chris Morgan | 5891282 | 2023-04-13 09:13:02 -0500 | [diff] [blame] | 76 | Enable random number generator for rockchip. This driver |
| 77 | supports the rng module of crypto v1, crypto v2, and the |
| 78 | trng module of the rk3588 series. |
| Lin Jinhan | 6e7353e | 2020-03-31 17:39:59 +0800 | [diff] [blame] | 79 | |
| Matthias Brugger | 537f001 | 2020-12-15 10:49:23 +0100 | [diff] [blame] | 80 | config RNG_IPROC200 |
| 81 | bool "Broadcom iProc RNG200 random number generator" |
| 82 | depends on DM_RNG |
| Matthias Brugger | 537f001 | 2020-12-15 10:49:23 +0100 | [diff] [blame] | 83 | help |
| 84 | Enable random number generator for RPI4. |
| Etienne Carriere | 53355bb | 2022-06-01 10:27:34 +0200 | [diff] [blame] | 85 | |
| 86 | config RNG_SMCCC_TRNG |
| 87 | bool "Arm SMCCC TRNG interface" |
| 88 | depends on DM_RNG && ARM_PSCI_FW |
| 89 | default y if ARM_SMCCC_FEATURES |
| 90 | help |
| 91 | Enable random number generator for platforms that support Arm |
| 92 | SMCCC TRNG interface. |
| 93 | |
| Andre Przywara | 31565bb | 2023-08-30 12:32:30 +0100 | [diff] [blame] | 94 | config RNG_ARM_RNDR |
| 95 | bool "Generic ARMv8.5 RNDR register" |
| 96 | depends on DM_RNG && ARM64 |
| 97 | help |
| 98 | Use the ARMv8.5 RNDR register to provide random numbers. |
| 99 | |
| Sughosh Ganu | e67ffb5 | 2022-07-22 21:32:04 +0530 | [diff] [blame] | 100 | config TPM_RNG |
| 101 | bool "Enable random number generator on TPM device" |
| 102 | depends on TPM |
| 103 | default y |
| 104 | help |
| 105 | The TPM device has an inbuilt random number generator |
| 106 | functionality. Enable random number generator on TPM |
| 107 | devices. |
| 108 | |
| Chanho Park | ebaee70 | 2023-11-01 21:16:50 +0900 | [diff] [blame] | 109 | config RNG_JH7110 |
| 110 | bool "StarFive JH7110 Random Number Generator support" |
| 111 | depends on DM_RNG && STARFIVE_JH7110 |
| 112 | help |
| 113 | Enable True Random Number Generator in StarFive JH7110 SoCs. |
| 114 | |
| Max Resch | d61b485 | 2024-02-15 17:57:57 +0100 | [diff] [blame] | 115 | config RNG_TURRIS_RWTM |
| 116 | bool "Turris Mox TRNG in Secure Processor" |
| 117 | depends on DM_RNG && ARMADA_3700 |
| 118 | help |
| 119 | Use TRNG in Turris Mox Secure Processor Firmware. Can be used |
| 120 | on other Armada-3700 devices (like EspressoBin) if Secure |
| 121 | Firmware from CZ.NIC is used. |
| 122 | |
| Sam Protsenko | 9344efc | 2024-07-23 13:14:38 -0500 | [diff] [blame] | 123 | config RNG_EXYNOS |
| 124 | bool "Samsung Exynos True Random Number Generator support" |
| 125 | depends on DM_RNG |
| 126 | help |
| 127 | Enable support for True Random Number Generator (TRNG) available on |
| 128 | Exynos SoCs. |
| 129 | |
| 130 | On some chips (like Exynos850) TRNG registers are protected with TZPC |
| 131 | (TrustZone Protection Control). For such chips the driver provides an |
| 132 | implementation based on SMC calls to EL3 monitor program. In that |
| 133 | case the LDFW (Loadable Firmware) has to be loaded first, as it |
| 134 | actually implements TRNG SMC calls. |
| 135 | |
| Heinrich Schuchardt | c312c4b | 2020-02-02 19:45:35 +0100 | [diff] [blame] | 136 | endif |