diff options
Diffstat (limited to 'drivers/char/hw_random/Kconfig')
| -rw-r--r-- | drivers/char/hw_random/Kconfig | 366 |
1 files changed, 275 insertions, 91 deletions
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index dac895dc01b9..492a2a61a65b 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # # Hardware Random Number Generator (RNG) configuration # @@ -5,7 +6,7 @@ menuconfig HW_RANDOM tristate "Hardware Random Number Generator Core support" default m - ---help--- + help Hardware Random Number Generator Core infrastructure. To compile this driver as a module, choose M here: the @@ -23,7 +24,7 @@ if HW_RANDOM config HW_RANDOM_TIMERIOMEM tristate "Timer IOMEM HW Random Number Generator support" depends on HAS_IOMEM - ---help--- + help This driver provides kernel-side support for a generic Random Number Generator used by reading a 'dumb' iomem address that is to be read no faster than, for example, once a second; @@ -36,9 +37,9 @@ config HW_RANDOM_TIMERIOMEM config HW_RANDOM_INTEL tristate "Intel HW Random Number Generator support" - depends on (X86 || IA64) && PCI + depends on (X86 || COMPILE_TEST) && PCI default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator hardware found on Intel i8xx-based motherboards. @@ -49,9 +50,10 @@ config HW_RANDOM_INTEL config HW_RANDOM_AMD tristate "AMD HW Random Number Generator support" - depends on (X86 || PPC_MAPLE) && PCI + depends on (X86 || COMPILE_TEST) + depends on PCI && HAS_IOPORT_MAP default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator hardware found on AMD 76x-based motherboards. @@ -60,11 +62,24 @@ config HW_RANDOM_AMD If unsure, say Y. +config HW_RANDOM_AIROHA + tristate "Airoha True HW Random Number Generator support" + depends on ARCH_AIROHA || COMPILE_TEST + default HW_RANDOM + help + This driver provides kernel-side support for the True Random Number + Generator hardware found on Airoha SoC. + + To compile this driver as a module, choose M here: the + module will be called airoha-rng. + + If unsure, say Y. + config HW_RANDOM_ATMEL tristate "Atmel Random Number Generator support" - depends on ARCH_AT91 && HAVE_CLK && OF + depends on (ARCH_MICROCHIP || COMPILE_TEST) default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator hardware found on Atmel AT91 devices. @@ -73,12 +88,22 @@ config HW_RANDOM_ATMEL If unsure, say Y. +config HW_RANDOM_BA431 + tristate "Silex Insight BA431 Random Number Generator support" + depends on HAS_IOMEM + help + This driver provides kernel-side support for the Random Number + Generator hardware based on Silex Insight BA431 IP. + + To compile this driver as a module, choose M here: the + module will be called ba431-rng. + config HW_RANDOM_BCM2835 tristate "Broadcom BCM2835/BCM63xx Random Number Generator support" depends on ARCH_BCM2835 || ARCH_BCM_NSP || ARCH_BCM_5301X || \ - ARCH_BCM_63XX || BCM63XX || BMIPS_GENERIC + ARCH_BCMBCA || BCM63XX || BMIPS_GENERIC || COMPILE_TEST default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator hardware found on the Broadcom BCM2835 and BCM63xx SoCs. @@ -87,11 +112,24 @@ config HW_RANDOM_BCM2835 If unsure, say Y. +config HW_RANDOM_BCM74110 + tristate "Broadcom BCM74110 Random Number Generator support" + depends on ARCH_BRCMSTB || COMPILE_TEST + default HW_RANDOM + help + This driver provides kernel-side support for the Random Number + Generator hardware found on the Broadcom BCM74110 SoCs. + + To compile this driver as a module, choose M here: the + module will be called bcm74110-rng + + If unsure, say Y. + config HW_RANDOM_IPROC_RNG200 tristate "Broadcom iProc/STB RNG200 support" - depends on ARCH_BCM_IPROC || ARCH_BRCMSTB + depends on ARCH_BCM_IPROC || ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || COMPILE_TEST default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the RNG200 hardware found on the Broadcom iProc and STB SoCs. @@ -102,9 +140,10 @@ config HW_RANDOM_IPROC_RNG200 config HW_RANDOM_GEODE tristate "AMD Geode HW Random Number Generator support" - depends on X86_32 && PCI + depends on (X86_32 || COMPILE_TEST) + depends on PCI default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator hardware found on the AMD Geode LX. @@ -117,7 +156,7 @@ config HW_RANDOM_N2RNG tristate "Niagara2 Random Number Generator support" depends on SPARC64 default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator hardware found on Niagara2 cpus. @@ -130,7 +169,7 @@ config HW_RANDOM_VIA tristate "VIA HW Random Number Generator support" depends on X86 default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator hardware found on VIA based motherboards. @@ -141,9 +180,9 @@ config HW_RANDOM_VIA config HW_RANDOM_IXP4XX tristate "Intel IXP4xx NPU HW Pseudo-Random Number Generator support" - depends on ARCH_IXP4XX + depends on ARCH_IXP4XX || COMPILE_TEST default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Pseudo-Random Number Generator hardware found on the Intel IXP45x/46x NPU. @@ -154,23 +193,23 @@ config HW_RANDOM_IXP4XX config HW_RANDOM_OMAP tristate "OMAP Random Number Generator support" - depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || ARCH_MVEBU + depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || ARCH_MVEBU || ARCH_K3 || COMPILE_TEST default HW_RANDOM - ---help--- - This driver provides kernel-side support for the Random Number + help + This driver provides kernel-side support for the Random Number Generator hardware found on OMAP16xx, OMAP2/3/4/5, AM33xx/AM43xx multimedia processors, and Marvell Armada 7k/8k SoCs. To compile this driver as a module, choose M here: the module will be called omap-rng. - If unsure, say Y. + If unsure, say Y. config HW_RANDOM_OMAP3_ROM tristate "OMAP3 ROM Random Number Generator support" - depends on ARCH_OMAP3 + depends on ARCH_OMAP3 || COMPILE_TEST default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator hardware found on OMAP34xx processors. @@ -183,7 +222,7 @@ config HW_RANDOM_OCTEON tristate "Octeon Random Number Generator support" depends on CAVIUM_OCTEON_SOC default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator hardware found on Octeon processors. @@ -194,9 +233,9 @@ config HW_RANDOM_OCTEON config HW_RANDOM_PASEMI tristate "PA Semi HW Random Number Generator support" - depends on PPC_PASEMI + depends on PPC_PASEMI || (PPC && COMPILE_TEST) default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator hardware found on PA Semi PWRficient SoCs. @@ -208,31 +247,18 @@ config HW_RANDOM_PASEMI config HW_RANDOM_VIRTIO tristate "VirtIO Random Number Generator support" depends on VIRTIO - ---help--- + help This driver provides kernel-side support for the virtual Random Number Generator hardware. To compile this driver as a module, choose M here: the module will be called virtio-rng. If unsure, say N. -config HW_RANDOM_TX4939 - tristate "TX4939 Random Number Generator support" - depends on SOC_TX4939 - default HW_RANDOM - ---help--- - This driver provides kernel-side support for the Random Number - Generator hardware found on TX4939 SoC. - - To compile this driver as a module, choose M here: the - module will be called tx4939-rng. - - If unsure, say Y. - config HW_RANDOM_MXC_RNGA tristate "Freescale i.MX RNGA Random Number Generator" - depends on SOC_IMX31 + depends on SOC_IMX31 || COMPILE_TEST default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator hardware found on Freescale i.MX processors. @@ -243,9 +269,10 @@ config HW_RANDOM_MXC_RNGA config HW_RANDOM_IMX_RNGC tristate "Freescale i.MX RNGC Random Number Generator" - depends on ARCH_MXC + depends on HAS_IOMEM + depends on SOC_IMX25 || SOC_IMX6SL || SOC_IMX6SLL || SOC_IMX6UL || COMPILE_TEST default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator Version C hardware found on some Freescale i.MX processors. Version B is also supported by this driver. @@ -255,11 +282,39 @@ config HW_RANDOM_IMX_RNGC If unsure, say Y. +config HW_RANDOM_INGENIC_RNG + tristate "Ingenic Random Number Generator support" + depends on MACH_JZ4780 || MACH_X1000 || COMPILE_TEST + default HW_RANDOM + help + This driver provides kernel-side support for the Random Number Generator + hardware found in ingenic JZ4780 and X1000 SoC. MIPS Creator CI20 uses + JZ4780 SoC, YSH & ATIL CU1000-Neo uses X1000 SoC. + + To compile this driver as a module, choose M here: the + module will be called ingenic-rng. + + If unsure, say Y. + +config HW_RANDOM_INGENIC_TRNG + tristate "Ingenic True Random Number Generator support" + depends on MACH_X1830 || COMPILE_TEST + default HW_RANDOM + help + This driver provides kernel-side support for the True Random Number Generator + hardware found in ingenic X1830 SoC. YSH & ATIL CU1830-Neo uses X1830 SoC. + + To compile this driver as a module, choose M here: the + module will be called ingenic-trng. + + If unsure, say Y. + config HW_RANDOM_NOMADIK tristate "ST-Ericsson Nomadik Random Number Generator support" - depends on ARCH_NOMADIK + depends on ARCH_NOMADIK || COMPILE_TEST + depends on ARM_AMBA default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator hardware found on ST-Ericsson SoCs (8815 and 8500). @@ -272,7 +327,7 @@ config HW_RANDOM_PSERIES tristate "pSeries HW Random Number Generator support" depends on PPC64 && IBMVIO default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator hardware found on POWER7+ machines and above @@ -285,7 +340,7 @@ config HW_RANDOM_POWERNV tristate "PowerNV Random Number Generator support" depends on PPC_POWERNV default HW_RANDOM - ---help--- + help This is the driver for Random Number Generator hardware found in POWER7+ and above machines for PowerNV platform. @@ -296,9 +351,9 @@ config HW_RANDOM_POWERNV config HW_RANDOM_HISI tristate "Hisilicon Random Number Generator support" - depends on HW_RANDOM && ARCH_HISI + depends on ARCH_HISI || COMPILE_TEST default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator hardware found on Hisilicon Hip04 and Hip05 SoC. @@ -307,10 +362,21 @@ config HW_RANDOM_HISI If unsure, say Y. +config HW_RANDOM_HISTB + tristate "Hisilicon STB Random Number Generator support" + depends on ARCH_HISI || COMPILE_TEST + default ARCH_HISI + help + This driver provides kernel-side support for the Random Number + Generator hardware found on Hisilicon Hi37xx SoC. + + To compile this driver as a module, choose M here: the + module will be called histb-rng. + config HW_RANDOM_ST tristate "ST Microelectronics HW Random Number Generator support" - depends on HW_RANDOM && ARCH_STI - ---help--- + depends on ARCH_STI || COMPILE_TEST + help This driver provides kernel-side support for the Random Number Generator hardware found on STi series of SoCs. @@ -319,9 +385,9 @@ config HW_RANDOM_ST config HW_RANDOM_XGENE tristate "APM X-Gene True Random Number Generator (TRNG) support" - depends on HW_RANDOM && ARCH_XGENE + depends on ARCH_XGENE || COMPILE_TEST default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the Random Number Generator hardware found on APM X-Gene SoC. @@ -332,7 +398,7 @@ config HW_RANDOM_XGENE config HW_RANDOM_STM32 tristate "STMicroelectronics STM32 random number generator" - depends on HW_RANDOM && (ARCH_STM32 || COMPILE_TEST) + depends on ARCH_STM32 || COMPILE_TEST depends on HAS_IOMEM default HW_RANDOM help @@ -346,9 +412,9 @@ config HW_RANDOM_STM32 config HW_RANDOM_PIC32 tristate "Microchip PIC32 Random Number Generator support" - depends on HW_RANDOM && MACH_PIC32 - default y - ---help--- + depends on MACH_PIC32 || COMPILE_TEST + default HW_RANDOM if MACH_PIC32 + help This driver provides kernel-side support for the Random Number Generator hardware found on a PIC32. @@ -357,12 +423,25 @@ config HW_RANDOM_PIC32 If unsure, say Y. +config HW_RANDOM_POLARFIRE_SOC + tristate "Microchip PolarFire SoC Random Number Generator support" + depends on HW_RANDOM && POLARFIRE_SOC_SYS_CTRL + help + This driver provides kernel-side support for the Random Number + Generator hardware found on PolarFire SoC (MPFS). + + To compile this driver as a module, choose M here. The + module will be called mfps_rng. + + If unsure, say N. + + config HW_RANDOM_MESON tristate "Amlogic Meson Random Number Generator support" - depends on HW_RANDOM depends on ARCH_MESON || COMPILE_TEST - default y - ---help--- + depends on HAS_IOMEM && OF + default HW_RANDOM if ARCH_MESON + help This driver provides kernel-side support for the Random Number Generator hardware found on Amlogic Meson SoCs. @@ -372,24 +451,25 @@ config HW_RANDOM_MESON If unsure, say Y. config HW_RANDOM_CAVIUM - tristate "Cavium ThunderX Random Number Generator support" - depends on HW_RANDOM && PCI && (ARM64 || (COMPILE_TEST && 64BIT)) - default HW_RANDOM - ---help--- - This driver provides kernel-side support for the Random Number - Generator hardware found on Cavium SoCs. + tristate "Cavium ThunderX Random Number Generator support" + depends on PCI + depends on ARCH_THUNDER || (ARM64 && COMPILE_TEST) + default HW_RANDOM + help + This driver provides kernel-side support for the Random Number + Generator hardware found on Cavium SoCs. - To compile this driver as a module, choose M here: the - module will be called cavium_rng. + To compile this driver as a module, choose M here: the + module will be called cavium_rng. - If unsure, say Y. + If unsure, say Y. config HW_RANDOM_MTK tristate "Mediatek Random Number Generator support" - depends on HW_RANDOM depends on ARCH_MEDIATEK || COMPILE_TEST - default y - ---help--- + depends on HAS_IOMEM && OF + default HW_RANDOM if ARCH_MEDIATEK + help This driver provides kernel-side support for the Random Number Generator hardware found on Mediatek SoCs. @@ -402,7 +482,7 @@ config HW_RANDOM_S390 tristate "S390 True Random Number Generator support" depends on S390 default HW_RANDOM - ---help--- + help This driver provides kernel-side support for the True Random Number Generator available as CPACF extension on modern s390 hardware platforms. @@ -415,8 +495,9 @@ config HW_RANDOM_S390 config HW_RANDOM_EXYNOS tristate "Samsung Exynos True Random Number Generator support" depends on ARCH_EXYNOS || COMPILE_TEST - default HW_RANDOM - ---help--- + depends on HAS_IOMEM + default HW_RANDOM if ARCH_EXYNOS + help This driver provides support for the True Random Number Generator available in Exynos SoCs. @@ -424,26 +505,129 @@ config HW_RANDOM_EXYNOS will be called exynos-trng. If unsure, say Y. + +config HW_RANDOM_OPTEE + tristate "OP-TEE based Random Number Generator support" + depends on OPTEE + default HW_RANDOM + help + This driver provides support for OP-TEE based Random Number + Generator on ARM SoCs where hardware entropy sources are not + accessible to normal world (Linux). + + To compile this driver as a module, choose M here: the module + will be called optee-rng. + + If unsure, say Y. + +config HW_RANDOM_NPCM + tristate "NPCM Random Number Generator support" + depends on ARCH_NPCM || COMPILE_TEST + depends on HAS_IOMEM + default HW_RANDOM if ARCH_NPCM + help + This driver provides support for the Random Number + Generator hardware available in Nuvoton NPCM SoCs. + + To compile this driver as a module, choose M here: the + module will be called npcm-rng. + + If unsure, say Y. + +config HW_RANDOM_KEYSTONE + tristate "TI Keystone NETCP SA Hardware random number generator" + depends on ARCH_KEYSTONE || COMPILE_TEST + depends on HAS_IOMEM && OF + default HW_RANDOM + help + This option enables Keystone's hardware random generator. + +config HW_RANDOM_CCTRNG + tristate "Arm CryptoCell True Random Number Generator support" + depends on HAS_IOMEM && OF + help + Say 'Y' to enable the True Random Number Generator driver for the + Arm TrustZone CryptoCell family of processors. + Currently the CryptoCell 713 and 703 are supported. + The driver is supported only in SoC where Trusted Execution + Environment is not used. + Choose 'M' to compile this driver as a module. The module + will be called cctrng. + If unsure, say 'N'. + +config HW_RANDOM_XIPHERA + tristate "Xiphera FPGA based True Random Number Generator support" + depends on HAS_IOMEM + help + This driver provides kernel-side support for Xiphera True Random + Number Generator Intellectual Property Core. + + To compile this driver as a module, choose M here: the + module will be called xiphera-trng. + +config HW_RANDOM_ARM_SMCCC_TRNG + tristate "Arm SMCCC TRNG firmware interface support" + depends on HAVE_ARM_SMCCC_DISCOVERY + default HW_RANDOM + help + Say 'Y' to enable the True Random Number Generator driver using + the Arm SMCCC TRNG firmware interface. This reads entropy from + higher exception levels (firmware, hypervisor). Uses SMCCC for + communicating with the firmware: + https://developer.arm.com/documentation/den0098/latest/ + + To compile this driver as a module, choose M here: the + module will be called arm_smccc_trng. + +config HW_RANDOM_CN10K + tristate "Marvell CN10K Random Number Generator support" + depends on HW_RANDOM && PCI && (ARM64 || (64BIT && COMPILE_TEST)) + default HW_RANDOM if ARCH_THUNDER + help + This driver provides support for the True Random Number + generator available in Marvell CN10K SoCs. + + To compile this driver as a module, choose M here. + The module will be called cn10k_rng. If unsure, say Y. + +config HW_RANDOM_JH7110 + tristate "StarFive JH7110 Random Number Generator support" + depends on SOC_STARFIVE || COMPILE_TEST + help + This driver provides support for the True Random Number + Generator in StarFive JH7110 SoCs. + + To compile this driver as a module, choose M here. + The module will be called jh7110-trng. + +config HW_RANDOM_ROCKCHIP + tristate "Rockchip True Random Number Generator" + depends on HW_RANDOM && (ARCH_ROCKCHIP || COMPILE_TEST) + depends on HAS_IOMEM + default HW_RANDOM + help + This driver provides kernel-side support for the True Random Number + Generator hardware found on some Rockchip SoCs like RK3566, RK3568 + or RK3588. + + To compile this driver as a module, choose M here: the + module will be called rockchip-rng. + + If unsure, say Y. + endif # HW_RANDOM config UML_RANDOM depends on UML - tristate "Hardware random number generator" + select HW_RANDOM + tristate "UML Random Number Generator support" help This option enables UML's "hardware" random number generator. It attaches itself to the host's /dev/random, supplying as much entropy as the host has, rather than the small amount the UML gets from its - own drivers. It registers itself as a standard hardware random number - generator, major 10, minor 183, and the canonical device name is - /dev/hwrng. - The way to make use of this is to install the rng-tools package - (check your distro, or download from - http://sourceforge.net/projects/gkernel/). rngd periodically reads - /dev/hwrng and injects the entropy into /dev/random. + own drivers. It registers itself as a rng-core driver thus providing + a device which is usually called /dev/hwrng. This hardware random + number generator does feed into the kernel's random number generator + entropy pool. -config HW_RANDOM_KEYSTONE - depends on ARCH_KEYSTONE - default HW_RANDOM - tristate "TI Keystone NETCP SA Hardware random number generator" - help - This option enables Keystone's hardware random generator. + If unsure, say Y. |