diff options
Diffstat (limited to 'drivers/char/hw_random/Kconfig')
| -rw-r--r-- | drivers/char/hw_random/Kconfig | 245 |
1 files changed, 230 insertions, 15 deletions
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 8822eca58ff..836b061ced3 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -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--- @@ -20,9 +20,25 @@ config HW_RANDOM If unsure, say Y. +if HW_RANDOM + +config HW_RANDOM_TIMERIOMEM + tristate "Timer IOMEM HW Random Number Generator support" + 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 + is to be read no faster than, for example, once a second; + the default FPGA bitstream on the TS-7800 has such functionality. + + To compile this driver as a module, choose M here: the + module will be called timeriomem-rng. + + If unsure, say Y. + 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 @@ -35,7 +51,7 @@ config HW_RANDOM_INTEL config HW_RANDOM_AMD tristate "AMD HW Random Number Generator support" - depends on HW_RANDOM && X86 && PCI + depends on (X86 || PPC_MAPLE) && PCI default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number @@ -46,9 +62,48 @@ config HW_RANDOM_AMD If unsure, say Y. +config HW_RANDOM_ATMEL + tristate "Atmel Random Number Generator support" + 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. + + To compile this driver as a module, choose M here: the + module will be called atmel-rng. + + If unsure, say Y. + +config HW_RANDOM_BCM63XX + tristate "Broadcom BCM63xx Random Number Generator support" + depends on BCM63XX + default HW_RANDOM + ---help--- + This driver provides kernel-side support for the Random Number + Generator hardware found on the Broadcom BCM63xx SoCs. + + To compile this driver as a module, choose M here: the + module will be called bcm63xx-rng + + If unusure, say Y. + +config HW_RANDOM_BCM2835 + tristate "Broadcom BCM2835 Random Number Generator support" + depends on ARCH_BCM2835 + default HW_RANDOM + ---help--- + This driver provides kernel-side support for the Random Number + Generator hardware found on the Broadcom BCM2835 SoCs. + + To compile this driver as a module, choose M here: the + module will be called bcm2835-rng + + 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 @@ -61,7 +116,7 @@ config HW_RANDOM_GEODE 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 @@ -74,7 +129,7 @@ config HW_RANDOM_N2RNG config HW_RANDOM_VIA tristate "VIA HW Random Number Generator support" - depends on HW_RANDOM && X86_32 + depends on X86 default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number @@ -86,12 +141,12 @@ config HW_RANDOM_VIA If unsure, say Y. config HW_RANDOM_IXP4XX - tristate "Intel IXP4xx NPU HW Random Number Generator support" - depends on HW_RANDOM && ARCH_IXP4XX + tristate "Intel IXP4xx NPU HW Pseudo-Random Number Generator support" + depends on ARCH_IXP4XX default HW_RANDOM ---help--- - This driver provides kernel-side support for the Random - Number Generator hardware found on the Intel IXP4xx NPU. + This driver provides kernel-side support for the Pseudo-Random + Number Generator hardware found on the Intel IXP45x/46x NPU. To compile this driver as a module, choose M here: the module will be called ixp4xx-rng. @@ -100,21 +155,47 @@ config HW_RANDOM_IXP4XX config HW_RANDOM_OMAP tristate "OMAP Random Number Generator support" - depends on HW_RANDOM && (ARCH_OMAP16XX || ARCH_OMAP24XX) + 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 CAVIUM_OCTEON_SOC + default HW_RANDOM + ---help--- + This driver provides kernel-side support for the Random Number + Generator hardware found on Octeon processors. + + To compile this driver as a module, choose M here: the + module will be called octeon-rng. + + If unsure, say Y. + 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 @@ -127,10 +208,144 @@ config HW_RANDOM_PASEMI 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. 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 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. + + To compile this driver as a module, choose M here: the + module will be called mxc-rnga. + + If unsure, say Y. + +config HW_RANDOM_NOMADIK + tristate "ST-Ericsson Nomadik Random Number Generator support" + 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). + + To compile this driver as a module, choose M here: the + module will be called nomadik-rng. + + If unsure, say Y. + +config HW_RANDOM_PPC4XX + tristate "PowerPC 4xx generic true random number generator support" + 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. + + To compile this driver as a module, choose M here: the + module will be called ppc4xx-rng. + + If unsure, say N. + +config HW_RANDOM_PSERIES + tristate "pSeries HW Random Number Generator support" + depends on PPC64 && IBMVIO + default HW_RANDOM + ---help--- + This driver provides kernel-side support for the Random Number + Generator hardware found on POWER7+ machines and above + + To compile this driver as a module, choose M here: the + module will be called pseries-rng. + + 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 ARCH_EXYNOS + default HW_RANDOM + ---help--- + This driver provides kernel-side support for the Random Number + Generator hardware found on EXYNOS SOCs. + + To compile this driver as a module, choose M here: the + module will be called exynos-rng. + + If unsure, say Y. + +config HW_RANDOM_TPM + tristate "TPM HW Random Number Generator support" + depends on TCG_TPM + default HW_RANDOM + ---help--- + This driver provides kernel-side support for the Random Number + Generator in the Trusted Platform Module + + To compile this driver as a module, choose M here: the + 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. + +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. |