# Hardware Random Number Generator (RNG) configuration
#
-config HW_RANDOM
+menuconfig HW_RANDOM
tristate "Hardware Random Number Generator Core support"
default m
---help---
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
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
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
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
+ default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on Atmel AT91 devices.
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
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
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
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
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
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
config HW_RANDOM_OMAP
tristate "OMAP Random Number Generator support"
- depends on HW_RANDOM && (ARCH_OMAP16XX || ARCH_OMAP2PLUS)
+ depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
config HW_RANDOM_OMAP3_ROM
tristate "OMAP3 ROM Random Number Generator support"
- depends on HW_RANDOM && ARCH_OMAP3
+ depends on ARCH_OMAP3
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
config HW_RANDOM_OCTEON
tristate "Octeon Random Number Generator support"
- depends on HW_RANDOM && CAVIUM_OCTEON_SOC
+ depends on CAVIUM_OCTEON_SOC
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
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
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.
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
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.
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).
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.
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
config HW_RANDOM_POWERNV
tristate "PowerNV Random Number Generator support"
- depends on HW_RANDOM && PPC_POWERNV
+ depends on PPC_POWERNV
default HW_RANDOM
---help---
This is the driver for Random Number Generator hardware found
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.
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
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.
module will be called msm-rng.
If unsure, say Y.
+
+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.