--- zzzz-none-000/linux-3.10.107/drivers/char/hw_random/Kconfig 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/char/hw_random/Kconfig 2021-02-04 17:41:59.000000000 +0000 @@ -2,7 +2,7 @@ # Hardware Random Number Generator (RNG) configuration # -config HW_RANDOM +menuconfig HW_RANDOM tristate "Hardware Random Number Generator Core support" default m ---help--- @@ -10,7 +10,7 @@ To compile this driver as a module, choose M here: the module will be called rng-core. This provides a device - that's usually called /dev/hw_random, and which exposes one + that's usually called /dev/hwrng, and which exposes one of possibly several hardware random number generators. These hardware random number generators do not feed directly @@ -20,9 +20,11 @@ If unsure, say Y. +if HW_RANDOM + config HW_RANDOM_TIMERIOMEM tristate "Timer IOMEM HW Random Number Generator support" - depends on HW_RANDOM && HAS_IOMEM + depends on HAS_IOMEM ---help--- This driver provides kernel-side support for a generic Random Number Generator used by reading a 'dumb' iomem address that @@ -36,7 +38,7 @@ config HW_RANDOM_INTEL tristate "Intel HW Random Number Generator support" - depends on HW_RANDOM && (X86 || IA64) && PCI + depends on (X86 || IA64) && PCI default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number @@ -49,7 +51,7 @@ config HW_RANDOM_AMD tristate "AMD HW Random Number Generator support" - depends on HW_RANDOM && (X86 || PPC_MAPLE) && PCI + depends on (X86 || PPC_MAPLE) && PCI default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number @@ -62,8 +64,8 @@ config HW_RANDOM_ATMEL tristate "Atmel Random Number Generator support" - depends on HW_RANDOM && HAVE_CLK - default (HW_RANDOM && ARCH_AT91) + depends on ARCH_AT91 && HAVE_CLK && OF + default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number Generator hardware found on Atmel AT91 devices. @@ -75,7 +77,7 @@ config HW_RANDOM_BCM63XX tristate "Broadcom BCM63xx Random Number Generator support" - depends on HW_RANDOM && BCM63XX + depends on BCM63XX default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number @@ -88,7 +90,7 @@ config HW_RANDOM_BCM2835 tristate "Broadcom BCM2835 Random Number Generator support" - depends on HW_RANDOM && ARCH_BCM2835 + depends on ARCH_BCM2835 default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number @@ -99,9 +101,22 @@ If unsure, say Y. +config HW_RANDOM_IPROC_RNG200 + tristate "Broadcom iProc RNG200 support" + depends on ARCH_BCM_IPROC + default HW_RANDOM + ---help--- + This driver provides kernel-side support for the RNG200 + hardware found on the Broadcom iProc SoCs. + + To compile this driver as a module, choose M here: the + module will be called iproc-rng200 + + If unsure, say Y. + config HW_RANDOM_GEODE tristate "AMD Geode HW Random Number Generator support" - depends on HW_RANDOM && X86_32 && PCI + depends on X86_32 && PCI default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number @@ -114,7 +129,7 @@ config HW_RANDOM_N2RNG tristate "Niagara2 Random Number Generator support" - depends on HW_RANDOM && SPARC64 + depends on SPARC64 default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number @@ -127,7 +142,7 @@ config HW_RANDOM_VIA tristate "VIA HW Random Number Generator support" - depends on HW_RANDOM && X86 + depends on X86 default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number @@ -140,7 +155,7 @@ config HW_RANDOM_IXP4XX tristate "Intel IXP4xx NPU HW Pseudo-Random Number Generator support" - depends on HW_RANDOM && ARCH_IXP4XX + depends on ARCH_IXP4XX default HW_RANDOM ---help--- This driver provides kernel-side support for the Pseudo-Random @@ -153,21 +168,34 @@ config HW_RANDOM_OMAP tristate "OMAP Random Number Generator support" - depends on HW_RANDOM && (ARCH_OMAP16XX || ARCH_OMAP2) + depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number - Generator hardware found on OMAP16xx and OMAP24xx multimedia - processors. + Generator hardware found on OMAP16xx, OMAP2/3/4/5 and AM33xx/AM43xx + multimedia processors. To compile this driver as a module, choose M here: the module will be called omap-rng. If unsure, say Y. +config HW_RANDOM_OMAP3_ROM + tristate "OMAP3 ROM Random Number Generator support" + depends on ARCH_OMAP3 + default HW_RANDOM + ---help--- + This driver provides kernel-side support for the Random Number + Generator hardware found on OMAP34xx processors. + + To compile this driver as a module, choose M here: the + module will be called omap3-rom-rng. + + If unsure, say Y. + config HW_RANDOM_OCTEON tristate "Octeon Random Number Generator support" - depends on HW_RANDOM && CPU_CAVIUM_OCTEON + depends on CAVIUM_OCTEON_SOC default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number @@ -180,7 +208,7 @@ config HW_RANDOM_PASEMI tristate "PA Semi HW Random Number Generator support" - depends on HW_RANDOM && PPC_PASEMI + depends on PPC_PASEMI default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number @@ -193,7 +221,7 @@ config HW_RANDOM_VIRTIO tristate "VirtIO Random Number Generator support" - depends on HW_RANDOM && VIRTIO + depends on VIRTIO ---help--- This driver provides kernel-side support for the virtual Random Number Generator hardware. @@ -203,7 +231,7 @@ config HW_RANDOM_TX4939 tristate "TX4939 Random Number Generator support" - depends on HW_RANDOM && SOC_TX4939 + depends on SOC_TX4939 default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number @@ -216,7 +244,8 @@ config HW_RANDOM_MXC_RNGA tristate "Freescale i.MX RNGA Random Number Generator" - depends on HW_RANDOM && ARCH_HAS_RNGA + depends on ARCH_HAS_RNGA + default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number Generator hardware found on Freescale i.MX processors. @@ -228,7 +257,8 @@ config HW_RANDOM_NOMADIK tristate "ST-Ericsson Nomadik Random Number Generator support" - depends on HW_RANDOM && ARCH_NOMADIK + depends on ARCH_NOMADIK + default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number Generator hardware found on ST-Ericsson SoCs (8815 and 8500). @@ -238,21 +268,10 @@ If unsure, say Y. -config HW_RANDOM_PICOXCELL - tristate "Picochip picoXcell true random number generator support" - depends on HW_RANDOM && ARCH_PICOXCELL && PICOXCELL_PC3X3 - ---help--- - This driver provides kernel-side support for the Random Number - Generator hardware found on Picochip PC3x3 and later devices. - - To compile this driver as a module, choose M here: the - module will be called picoxcell-rng. - - If unsure, say Y. - config HW_RANDOM_PPC4XX tristate "PowerPC 4xx generic true random number generator support" - depends on HW_RANDOM && PPC && 4xx + depends on PPC && 4xx + default HW_RANDOM ---help--- This driver provides the kernel-side support for the TRNG hardware found in the security function of some PowerPC 4xx SoCs. @@ -262,24 +281,9 @@ If unsure, say N. -config UML_RANDOM - depends on UML - tristate "Hardware random number generator" - 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. - config HW_RANDOM_PSERIES tristate "pSeries HW Random Number Generator support" - depends on HW_RANDOM && PPC64 && IBMVIO + depends on PPC64 && IBMVIO default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number @@ -290,9 +294,23 @@ If unsure, say Y. +config HW_RANDOM_POWERNV + tristate "PowerNV Random Number Generator support" + depends on PPC_POWERNV + default HW_RANDOM + ---help--- + This is the driver for Random Number Generator hardware found + in POWER7+ and above machines for PowerNV platform. + + To compile this driver as a module, choose M here: the + module will be called powernv-rng. + + If unsure, say Y. + config HW_RANDOM_EXYNOS tristate "EXYNOS HW random number generator support" - depends on HW_RANDOM && HAS_IOMEM && HAVE_CLK + depends on ARCH_EXYNOS + default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number Generator hardware found on EXYNOS SOCs. @@ -304,7 +322,7 @@ config HW_RANDOM_TPM tristate "TPM HW Random Number Generator support" - depends on HW_RANDOM && TCG_TPM + depends on TCG_TPM default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number @@ -314,3 +332,68 @@ module will be called tpm-rng. If unsure, say Y. + +config HW_RANDOM_MSM + tristate "Qualcomm SoCs Random Number Generator support" + depends on HW_RANDOM && ARCH_QCOM + default HW_RANDOM + ---help--- + This driver provides kernel-side support for the Random Number + Generator hardware found on Qualcomm SoCs. + + To compile this driver as a module, choose M here. the + module will be called msm-rng. + + If unsure, say Y. + +config HW_RANDOM_ST + tristate "ST Microelectronics HW Random Number Generator support" + depends on HW_RANDOM && ARCH_STI + ---help--- + This driver provides kernel-side support for the Random Number + Generator hardware found on STi series of SoCs. + + To compile this driver as a module, choose M here: the + module will be called st-rng. + +config HW_RANDOM_XGENE + tristate "APM X-Gene True Random Number Generator (TRNG) support" + depends on HW_RANDOM && ARCH_XGENE + default HW_RANDOM + ---help--- + This driver provides kernel-side support for the Random Number + Generator hardware found on APM X-Gene SoC. + + To compile this driver as a module, choose M here: the + module will be called xgene_rng. + + If unsure, say Y. + +config HW_RANDOM_STM32 + tristate "STMicroelectronics STM32 random number generator" + depends on HW_RANDOM && (ARCH_STM32 || COMPILE_TEST) + help + This driver provides kernel-side support for the Random Number + Generator hardware found on STM32 microcontrollers. + + To compile this driver as a module, choose M here: the + module will be called stm32-rng. + + If unsure, say N. + +endif # HW_RANDOM + +config UML_RANDOM + depends on UML + tristate "Hardware random number generator" + 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.