drivers/char/hw_random/Kconfig

   1 #
   2 # Hardware Random Number Generator (RNG) configuration
   3 #
   4
   5 config HW_RANDOM
   6         tristate "Hardware Random Number Generator Core support"
   7         default m
   8         ---help---
   9           Hardware Random Number Generator Core infrastructure.
  10
  11           To compile this driver as a module, choose M here: the
  12           module will be called rng-core.  This provides a device
  13           that's usually called /dev/hw_random, and which exposes one
  14           of possibly several hardware random number generators.
  15
  16           These hardware random number generators do not feed directly
  17           into the kernel's random number generator.  That is usually
  18           handled by the "rngd" daemon.  Documentation/hw_random.txt
  19           has more information.
  20
  21           If unsure, say Y.
  22
  23 config HW_RANDOM_TIMERIOMEM
  24         tristate "Timer IOMEM HW Random Number Generator support"
  25         depends on HW_RANDOM && HAS_IOMEM
  26         ---help---
  27           This driver provides kernel-side support for a generic Random
  28           Number Generator used by reading a 'dumb' iomem address that
  29           is to be read no faster than, for example, once a second;
  30           the default FPGA bitstream on the TS-7800 has such functionality.
  31
  32           To compile this driver as a module, choose M here: the
  33           module will be called timeriomem-rng.
  34
  35           If unsure, say Y.
  36
  37 config HW_RANDOM_INTEL
  38         tristate "Intel HW Random Number Generator support"
  39         depends on HW_RANDOM && (X86 || IA64) && PCI
  40         default HW_RANDOM
  41         ---help---
  42           This driver provides kernel-side support for the Random Number
  43           Generator hardware found on Intel i8xx-based motherboards.
  44
  45           To compile this driver as a module, choose M here: the
  46           module will be called intel-rng.
  47
  48           If unsure, say Y.
  49
  50 config HW_RANDOM_AMD
  51         tristate "AMD HW Random Number Generator support"
  52         depends on HW_RANDOM && X86 && PCI
  53         default HW_RANDOM
  54         ---help---
  55           This driver provides kernel-side support for the Random Number
  56           Generator hardware found on AMD 76x-based motherboards.
  57
  58           To compile this driver as a module, choose M here: the
  59           module will be called amd-rng.
  60
  61           If unsure, say Y.
  62
  63 config HW_RANDOM_GEODE
  64         tristate "AMD Geode HW Random Number Generator support"
  65         depends on HW_RANDOM && X86_32 && PCI
  66         default HW_RANDOM
  67         ---help---
  68           This driver provides kernel-side support for the Random Number
  69           Generator hardware found on the AMD Geode LX.
  70
  71           To compile this driver as a module, choose M here: the
  72           module will be called geode-rng.
  73
  74           If unsure, say Y.
  75
  76 config HW_RANDOM_N2RNG
  77         tristate "Niagara2 Random Number Generator support"
  78         depends on HW_RANDOM && SPARC64
  79         default HW_RANDOM
  80         ---help---
  81           This driver provides kernel-side support for the Random Number
  82           Generator hardware found on Niagara2 cpus.
  83
  84           To compile this driver as a module, choose M here: the
  85           module will be called n2-rng.
  86
  87           If unsure, say Y.
  88
  89 config HW_RANDOM_VIA
  90         tristate "VIA HW Random Number Generator support"
  91         depends on HW_RANDOM && X86
  92         default HW_RANDOM
  93         ---help---
  94           This driver provides kernel-side support for the Random Number
  95           Generator hardware found on VIA based motherboards.
  96
  97           To compile this driver as a module, choose M here: the
  98           module will be called via-rng.
  99
 100           If unsure, say Y.
 101
 102 config HW_RANDOM_IXP4XX
 103         tristate "Intel IXP4xx NPU HW Random Number Generator support"
 104         depends on HW_RANDOM && ARCH_IXP4XX
 105         default HW_RANDOM
 106         ---help---
 107           This driver provides kernel-side support for the Random
 108           Number Generator hardware found on the Intel IXP4xx NPU.
 109
 110           To compile this driver as a module, choose M here: the
 111           module will be called ixp4xx-rng.
 112
 113           If unsure, say Y.
 114
 115 config HW_RANDOM_OMAP
 116         tristate "OMAP Random Number Generator support"
 117         depends on HW_RANDOM && (ARCH_OMAP16XX || ARCH_OMAP24XX)
 118         default HW_RANDOM
 119         ---help---
 120           This driver provides kernel-side support for the Random Number
 121           Generator hardware found on OMAP16xx and OMAP24xx multimedia
 122           processors.
 123
 124           To compile this driver as a module, choose M here: the
 125           module will be called omap-rng.
 126
 127           If unsure, say Y.
 128
 129 config HW_RANDOM_OCTEON
 130         tristate "Octeon Random Number Generator support"
 131         depends on HW_RANDOM && CPU_CAVIUM_OCTEON
 132         default HW_RANDOM
 133         ---help---
 134           This driver provides kernel-side support for the Random Number
 135           Generator hardware found on Octeon processors.
 136
 137           To compile this driver as a module, choose M here: the
 138           module will be called octeon-rng.
 139
 140           If unsure, say Y.
 141
 142 config HW_RANDOM_PASEMI
 143         tristate "PA Semi HW Random Number Generator support"
 144         depends on HW_RANDOM && PPC_PASEMI
 145         default HW_RANDOM
 146         ---help---
 147           This driver provides kernel-side support for the Random Number
 148           Generator hardware found on PA Semi PWRficient SoCs.
 149
 150           To compile this driver as a module, choose M here: the
 151           module will be called pasemi-rng.
 152
 153           If unsure, say Y.
 154
 155 config HW_RANDOM_VIRTIO
 156         tristate "VirtIO Random Number Generator support"
 157         depends on HW_RANDOM && VIRTIO
 158         ---help---
 159           This driver provides kernel-side support for the virtual Random Number
 160           Generator hardware.
 161
 162           To compile this driver as a module, choose M here: the
 163           module will be called virtio-rng.  If unsure, say N.
 164
 165 config HW_RANDOM_TX4939
 166         tristate "TX4939 Random Number Generator support"
 167         depends on HW_RANDOM && SOC_TX4939
 168         default HW_RANDOM
 169         ---help---
 170           This driver provides kernel-side support for the Random Number
 171           Generator hardware found on TX4939 SoC.
 172
 173           To compile this driver as a module, choose M here: the
 174           module will be called tx4939-rng.
 175
 176           If unsure, say Y.
 177
 178 config HW_RANDOM_MXC_RNGA
 179         tristate "Freescale i.MX RNGA Random Number Generator"
 180         depends on HW_RANDOM && ARCH_HAS_RNGA
 181         ---help---
 182           This driver provides kernel-side support for the Random Number
 183           Generator hardware found on Freescale i.MX processors.
 184
 185           To compile this driver as a module, choose M here: the
 186           module will be called mxc-rnga.
 187
 188           If unsure, say Y.