2 # Hardware Random Number Generator (RNG) configuration
6 tristate "Hardware Random Number Generator Core support"
9 Hardware Random Number Generator Core infrastructure.
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.
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
23 config HW_RANDOM_TIMERIOMEM
24 tristate "Timer IOMEM HW Random Number Generator support"
25 depends on HW_RANDOM && HAS_IOMEM
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.
32 To compile this driver as a module, choose M here: the
33 module will be called timeriomem-rng.
37 config HW_RANDOM_INTEL
38 tristate "Intel HW Random Number Generator support"
39 depends on HW_RANDOM && (X86 || IA64) && PCI
42 This driver provides kernel-side support for the Random Number
43 Generator hardware found on Intel i8xx-based motherboards.
45 To compile this driver as a module, choose M here: the
46 module will be called intel-rng.
51 tristate "AMD HW Random Number Generator support"
52 depends on HW_RANDOM && X86 && PCI
55 This driver provides kernel-side support for the Random Number
56 Generator hardware found on AMD 76x-based motherboards.
58 To compile this driver as a module, choose M here: the
59 module will be called amd-rng.
63 config HW_RANDOM_GEODE
64 tristate "AMD Geode HW Random Number Generator support"
65 depends on HW_RANDOM && X86_32 && PCI
68 This driver provides kernel-side support for the Random Number
69 Generator hardware found on the AMD Geode LX.
71 To compile this driver as a module, choose M here: the
72 module will be called geode-rng.
76 config HW_RANDOM_N2RNG
77 tristate "Niagara2 Random Number Generator support"
78 depends on HW_RANDOM && SPARC64
81 This driver provides kernel-side support for the Random Number
82 Generator hardware found on Niagara2 cpus.
84 To compile this driver as a module, choose M here: the
85 module will be called n2-rng.
90 tristate "VIA HW Random Number Generator support"
91 depends on HW_RANDOM && X86_32
94 This driver provides kernel-side support for the Random Number
95 Generator hardware found on VIA based motherboards.
97 To compile this driver as a module, choose M here: the
98 module will be called via-rng.
102 config HW_RANDOM_IXP4XX
103 tristate "Intel IXP4xx NPU HW Random Number Generator support"
104 depends on HW_RANDOM && ARCH_IXP4XX
107 This driver provides kernel-side support for the Random
108 Number Generator hardware found on the Intel IXP4xx NPU.
110 To compile this driver as a module, choose M here: the
111 module will be called ixp4xx-rng.
115 config HW_RANDOM_OMAP
116 tristate "OMAP Random Number Generator support"
117 depends on HW_RANDOM && (ARCH_OMAP16XX || ARCH_OMAP24XX)
120 This driver provides kernel-side support for the Random Number
121 Generator hardware found on OMAP16xx and OMAP24xx multimedia
124 To compile this driver as a module, choose M here: the
125 module will be called omap-rng.
129 config HW_RANDOM_PASEMI
130 tristate "PA Semi HW Random Number Generator support"
131 depends on HW_RANDOM && PPC_PASEMI
134 This driver provides kernel-side support for the Random Number
135 Generator hardware found on PA Semi PWRficient SoCs.
137 To compile this driver as a module, choose M here: the
138 module will be called pasemi-rng.
142 config HW_RANDOM_VIRTIO
143 tristate "VirtIO Random Number Generator support"
144 depends on HW_RANDOM && VIRTIO
146 This driver provides kernel-side support for the virtual Random Number
149 To compile this driver as a module, choose M here: the
150 module will be called virtio-rng. If unsure, say N.