2019-05-19 12:07:45 +00:00
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# SPDX-License-Identifier: GPL-2.0-only
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2006-06-26 07:24:59 +00:00
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#
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# Hardware Random Number Generator (RNG) configuration
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#
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2014-04-08 12:33:04 +00:00
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menuconfig HW_RANDOM
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2006-12-07 04:38:20 +00:00
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tristate "Hardware Random Number Generator Core support"
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default m
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2006-06-26 07:24:59 +00:00
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---help---
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Hardware Random Number Generator Core infrastructure.
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2006-12-07 04:38:20 +00:00
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To compile this driver as a module, choose M here: the
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2008-03-24 19:29:51 +00:00
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module will be called rng-core. This provides a device
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2015-09-17 13:45:52 +00:00
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that's usually called /dev/hwrng, and which exposes one
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2008-03-24 19:29:51 +00:00
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of possibly several hardware random number generators.
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2017-07-21 17:25:56 +00:00
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These hardware random number generators do feed into the
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kernel's random number generator entropy pool.
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2006-12-07 04:38:20 +00:00
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2006-06-26 07:24:59 +00:00
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If unsure, say Y.
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2006-06-26 07:24:59 +00:00
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2014-04-08 12:33:04 +00:00
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if HW_RANDOM
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hwrng: timeriomem - New driver
Some hardware platforms, the TS-7800[1] is one for example, can
supply the kernel with an entropy source, albeit a slow one for
TS-7800 users, by just reading a particular IO address. This
source must not be read above a certain rate otherwise the quality
suffers.
The driver is then hooked into by calling
platform_device_(register|add|del) passing a structure similar to:
------
static struct timeriomem_rng_data ts78xx_ts_rng_data = {
.address = (u32 *__iomem) TS_RNG,
.period = 1000000, /* one second */
};
static struct platform_device ts78xx_ts_rng_device = {
.name = "timeriomem_rng",
.id = -1,
.dev = {
.platform_data = &ts78xx_ts_rng_data,
},
.num_resources = 0,
};
------
[1] http://www.embeddedarm.com/products/board-detail.php?product=TS-7800
Signed-off-by: Alexander Clouter <alex@digriz.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-02-22 04:03:56 +00:00
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config HW_RANDOM_TIMERIOMEM
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tristate "Timer IOMEM HW Random Number Generator support"
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2014-04-08 12:33:04 +00:00
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depends on HAS_IOMEM
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hwrng: timeriomem - New driver
Some hardware platforms, the TS-7800[1] is one for example, can
supply the kernel with an entropy source, albeit a slow one for
TS-7800 users, by just reading a particular IO address. This
source must not be read above a certain rate otherwise the quality
suffers.
The driver is then hooked into by calling
platform_device_(register|add|del) passing a structure similar to:
------
static struct timeriomem_rng_data ts78xx_ts_rng_data = {
.address = (u32 *__iomem) TS_RNG,
.period = 1000000, /* one second */
};
static struct platform_device ts78xx_ts_rng_device = {
.name = "timeriomem_rng",
.id = -1,
.dev = {
.platform_data = &ts78xx_ts_rng_data,
},
.num_resources = 0,
};
------
[1] http://www.embeddedarm.com/products/board-detail.php?product=TS-7800
Signed-off-by: Alexander Clouter <alex@digriz.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-02-22 04:03:56 +00:00
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---help---
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This driver provides kernel-side support for a generic Random
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Number Generator used by reading a 'dumb' iomem address that
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is to be read no faster than, for example, once a second;
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the default FPGA bitstream on the TS-7800 has such functionality.
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To compile this driver as a module, choose M here: the
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module will be called timeriomem-rng.
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If unsure, say Y.
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2006-06-26 07:24:59 +00:00
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config HW_RANDOM_INTEL
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tristate "Intel HW Random Number Generator support"
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2014-04-08 12:33:04 +00:00
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depends on (X86 || IA64) && PCI
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2006-12-07 04:38:20 +00:00
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default HW_RANDOM
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2006-06-26 07:24:59 +00:00
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on Intel i8xx-based motherboards.
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To compile this driver as a module, choose M here: the
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module will be called intel-rng.
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If unsure, say Y.
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2006-06-26 07:25:00 +00:00
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config HW_RANDOM_AMD
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tristate "AMD HW Random Number Generator support"
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2014-04-08 12:33:04 +00:00
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depends on (X86 || PPC_MAPLE) && PCI
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2006-12-07 04:38:20 +00:00
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default HW_RANDOM
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2006-06-26 07:25:00 +00:00
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on AMD 76x-based motherboards.
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To compile this driver as a module, choose M here: the
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module will be called amd-rng.
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If unsure, say Y.
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2006-06-26 07:25:01 +00:00
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2011-10-06 17:56:30 +00:00
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config HW_RANDOM_ATMEL
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tristate "Atmel Random Number Generator support"
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2014-11-20 09:43:23 +00:00
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depends on ARCH_AT91 && HAVE_CLK && OF
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2014-04-08 12:36:37 +00:00
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default HW_RANDOM
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2011-10-06 17:56:30 +00:00
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on Atmel AT91 devices.
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To compile this driver as a module, choose M here: the
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module will be called atmel-rng.
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If unsure, say Y.
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2013-03-28 06:19:38 +00:00
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config HW_RANDOM_BCM2835
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2017-11-08 00:44:48 +00:00
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tristate "Broadcom BCM2835/BCM63xx Random Number Generator support"
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depends on ARCH_BCM2835 || ARCH_BCM_NSP || ARCH_BCM_5301X || \
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ARCH_BCM_63XX || BCM63XX || BMIPS_GENERIC
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2013-03-28 06:19:38 +00:00
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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2017-11-08 00:44:48 +00:00
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Generator hardware found on the Broadcom BCM2835 and BCM63xx SoCs.
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2013-03-28 06:19:38 +00:00
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To compile this driver as a module, choose M here: the
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module will be called bcm2835-rng
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If unsure, say Y.
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2012-07-24 14:33:11 +00:00
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2015-03-04 20:42:14 +00:00
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config HW_RANDOM_IPROC_RNG200
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2017-11-01 23:20:06 +00:00
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tristate "Broadcom iProc/STB RNG200 support"
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depends on ARCH_BCM_IPROC || ARCH_BRCMSTB
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2015-03-04 20:42:14 +00:00
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the RNG200
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2017-11-01 23:20:06 +00:00
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hardware found on the Broadcom iProc and STB SoCs.
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2015-03-04 20:42:14 +00:00
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To compile this driver as a module, choose M here: the
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module will be called iproc-rng200
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If unsure, say Y.
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2006-06-26 07:25:01 +00:00
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config HW_RANDOM_GEODE
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tristate "AMD Geode HW Random Number Generator support"
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2014-04-08 12:33:04 +00:00
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depends on X86_32 && PCI
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2006-12-07 04:38:20 +00:00
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default HW_RANDOM
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2006-06-26 07:25:01 +00:00
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on the AMD Geode LX.
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To compile this driver as a module, choose M here: the
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module will be called geode-rng.
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If unsure, say Y.
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2006-06-26 07:25:02 +00:00
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2008-06-03 22:56:11 +00:00
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config HW_RANDOM_N2RNG
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tristate "Niagara2 Random Number Generator support"
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2014-04-08 12:33:04 +00:00
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depends on SPARC64
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2008-06-03 22:56:11 +00:00
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on Niagara2 cpus.
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To compile this driver as a module, choose M here: the
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module will be called n2-rng.
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If unsure, say Y.
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2006-06-26 07:25:02 +00:00
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config HW_RANDOM_VIA
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tristate "VIA HW Random Number Generator support"
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2014-04-08 12:33:04 +00:00
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depends on X86
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2006-12-07 04:38:20 +00:00
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default HW_RANDOM
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2006-06-26 07:25:02 +00:00
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on VIA based motherboards.
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To compile this driver as a module, choose M here: the
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module will be called via-rng.
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If unsure, say Y.
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2006-06-26 07:25:02 +00:00
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config HW_RANDOM_IXP4XX
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2010-03-23 19:22:13 +00:00
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tristate "Intel IXP4xx NPU HW Pseudo-Random Number Generator support"
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2014-04-08 12:33:04 +00:00
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depends on ARCH_IXP4XX
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2006-12-07 04:38:20 +00:00
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default HW_RANDOM
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2006-06-26 07:25:02 +00:00
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---help---
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2010-03-23 19:22:13 +00:00
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This driver provides kernel-side support for the Pseudo-Random
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Number Generator hardware found on the Intel IXP45x/46x NPU.
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2006-06-26 07:25:02 +00:00
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To compile this driver as a module, choose M here: the
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module will be called ixp4xx-rng.
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If unsure, say Y.
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2006-06-26 07:25:03 +00:00
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config HW_RANDOM_OMAP
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tristate "OMAP Random Number Generator support"
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2016-09-16 10:08:55 +00:00
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depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || ARCH_MVEBU
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2006-12-07 04:38:20 +00:00
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default HW_RANDOM
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2006-06-26 07:25:03 +00:00
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---help---
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This driver provides kernel-side support for the Random Number
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2017-02-13 12:04:08 +00:00
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Generator hardware found on OMAP16xx, OMAP2/3/4/5, AM33xx/AM43xx
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multimedia processors, and Marvell Armada 7k/8k SoCs.
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2006-06-26 07:25:03 +00:00
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To compile this driver as a module, choose M here: the
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module will be called omap-rng.
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If unsure, say Y.
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2007-05-09 09:33:35 +00:00
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2013-09-20 13:25:06 +00:00
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config HW_RANDOM_OMAP3_ROM
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tristate "OMAP3 ROM Random Number Generator support"
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2014-04-08 12:33:04 +00:00
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depends on ARCH_OMAP3
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2013-09-20 13:25:06 +00:00
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on OMAP34xx processors.
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To compile this driver as a module, choose M here: the
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module will be called omap3-rom-rng.
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If unsure, say Y.
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2009-08-20 21:10:23 +00:00
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config HW_RANDOM_OCTEON
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tristate "Octeon Random Number Generator support"
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2014-04-08 12:33:04 +00:00
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depends on CAVIUM_OCTEON_SOC
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2009-08-20 21:10:23 +00:00
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on Octeon processors.
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To compile this driver as a module, choose M here: the
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module will be called octeon-rng.
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If unsure, say Y.
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2007-05-09 09:33:35 +00:00
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config HW_RANDOM_PASEMI
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tristate "PA Semi HW Random Number Generator support"
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2014-04-08 12:33:04 +00:00
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depends on PPC_PASEMI
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2007-05-09 09:33:35 +00:00
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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2007-11-05 02:57:45 +00:00
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Generator hardware found on PA Semi PWRficient SoCs.
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2007-05-09 09:33:35 +00:00
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To compile this driver as a module, choose M here: the
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module will be called pasemi-rng.
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If unsure, say Y.
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2008-05-30 20:09:44 +00:00
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config HW_RANDOM_VIRTIO
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tristate "VirtIO Random Number Generator support"
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2014-04-08 12:33:04 +00:00
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depends on VIRTIO
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2008-05-30 20:09:44 +00:00
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---help---
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This driver provides kernel-side support for the virtual Random Number
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Generator hardware.
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To compile this driver as a module, choose M here: the
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module will be called virtio-rng. If unsure, say N.
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2009-04-02 15:38:41 +00:00
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2009-06-02 14:54:21 +00:00
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config HW_RANDOM_TX4939
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tristate "TX4939 Random Number Generator support"
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2014-04-08 12:33:04 +00:00
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depends on SOC_TX4939
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2009-06-02 14:54:21 +00:00
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on TX4939 SoC.
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To compile this driver as a module, choose M here: the
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module will be called tx4939-rng.
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If unsure, say Y.
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2009-04-02 15:38:41 +00:00
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config HW_RANDOM_MXC_RNGA
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tristate "Freescale i.MX RNGA Random Number Generator"
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2016-08-16 19:49:45 +00:00
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depends on SOC_IMX31
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2014-04-08 12:36:37 +00:00
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default HW_RANDOM
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2009-04-02 15:38:41 +00:00
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on Freescale i.MX processors.
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To compile this driver as a module, choose M here: the
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module will be called mxc-rnga.
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If unsure, say Y.
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2009-12-19 11:45:43 +00:00
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2017-07-23 17:49:06 +00:00
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config HW_RANDOM_IMX_RNGC
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tristate "Freescale i.MX RNGC Random Number Generator"
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depends on ARCH_MXC
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator Version C hardware found on some Freescale i.MX
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processors. Version B is also supported by this driver.
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To compile this driver as a module, choose M here: the
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module will be called imx-rngc.
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If unsure, say Y.
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2009-12-19 11:45:43 +00:00
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config HW_RANDOM_NOMADIK
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tristate "ST-Ericsson Nomadik Random Number Generator support"
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2014-04-08 12:33:04 +00:00
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depends on ARCH_NOMADIK
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2014-04-08 12:36:37 +00:00
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default HW_RANDOM
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2009-12-19 11:45:43 +00:00
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on ST-Ericsson SoCs (8815 and 8500).
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To compile this driver as a module, choose M here: the
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module will be called nomadik-rng.
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If unsure, say Y.
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2011-01-23 07:58:29 +00:00
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2012-04-12 05:08:53 +00:00
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config HW_RANDOM_PSERIES
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tristate "pSeries HW Random Number Generator support"
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2014-04-08 12:33:04 +00:00
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depends on PPC64 && IBMVIO
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2012-04-12 05:08:53 +00:00
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on POWER7+ machines and above
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|
|
To compile this driver as a module, choose M here: the
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|
|
|
module will be called pseries-rng.
|
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|
If unsure, say Y.
|
2012-06-29 00:43:26 +00:00
|
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|
|
2013-10-11 03:07:58 +00:00
|
|
|
config HW_RANDOM_POWERNV
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|
|
|
tristate "PowerNV Random Number Generator support"
|
2014-04-08 12:33:04 +00:00
|
|
|
depends on PPC_POWERNV
|
2013-10-11 03:07:58 +00:00
|
|
|
default HW_RANDOM
|
|
|
|
---help---
|
|
|
|
This is the driver for Random Number Generator hardware found
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|
in POWER7+ and above machines for PowerNV platform.
|
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|
To compile this driver as a module, choose M here: the
|
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|
|
module will be called powernv-rng.
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|
If unsure, say Y.
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|
|
|
2016-04-13 10:11:28 +00:00
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|
|
config HW_RANDOM_HISI
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|
tristate "Hisilicon Random Number Generator support"
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|
depends on HW_RANDOM && ARCH_HISI
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|
default HW_RANDOM
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|
|
|
---help---
|
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|
|
This driver provides kernel-side support for the Random Number
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|
|
Generator hardware found on Hisilicon Hip04 and Hip05 SoC.
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|
To compile this driver as a module, choose M here: the
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|
module will be called hisi-rng.
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|
If unsure, say Y.
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|
2015-09-17 13:45:55 +00:00
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|
config HW_RANDOM_ST
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|
|
tristate "ST Microelectronics HW Random Number Generator support"
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|
depends on HW_RANDOM && ARCH_STI
|
|
|
|
---help---
|
|
|
|
This driver provides kernel-side support for the Random Number
|
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|
Generator hardware found on STi series of SoCs.
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|
To compile this driver as a module, choose M here: the
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|
module will be called st-rng.
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|
2014-08-22 23:26:38 +00:00
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|
|
config HW_RANDOM_XGENE
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|
tristate "APM X-Gene True Random Number Generator (TRNG) support"
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|
depends on HW_RANDOM && ARCH_XGENE
|
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|
default HW_RANDOM
|
|
|
|
---help---
|
|
|
|
This driver provides kernel-side support for the Random Number
|
|
|
|
Generator hardware found on APM X-Gene SoC.
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|
To compile this driver as a module, choose M here: the
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|
module will be called xgene_rng.
|
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|
If unsure, say Y.
|
|
|
|
|
2015-10-12 08:21:29 +00:00
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|
|
config HW_RANDOM_STM32
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|
|
tristate "STMicroelectronics STM32 random number generator"
|
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|
|
depends on HW_RANDOM && (ARCH_STM32 || COMPILE_TEST)
|
2016-01-25 22:24:04 +00:00
|
|
|
depends on HAS_IOMEM
|
2018-04-23 15:04:25 +00:00
|
|
|
default HW_RANDOM
|
2015-10-12 08:21:29 +00:00
|
|
|
help
|
|
|
|
This driver provides kernel-side support for the Random Number
|
|
|
|
Generator hardware found on STM32 microcontrollers.
|
|
|
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|
|
To compile this driver as a module, choose M here: the
|
|
|
|
module will be called stm32-rng.
|
|
|
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|
|
|
If unsure, say N.
|
|
|
|
|
2016-02-08 21:17:53 +00:00
|
|
|
config HW_RANDOM_PIC32
|
|
|
|
tristate "Microchip PIC32 Random Number Generator support"
|
|
|
|
depends on HW_RANDOM && MACH_PIC32
|
|
|
|
default y
|
|
|
|
---help---
|
|
|
|
This driver provides kernel-side support for the Random Number
|
|
|
|
Generator hardware found on a PIC32.
|
|
|
|
|
|
|
|
To compile this driver as a module, choose M here. the
|
|
|
|
module will be called pic32-rng.
|
|
|
|
|
|
|
|
If unsure, say Y.
|
|
|
|
|
2016-06-10 08:21:53 +00:00
|
|
|
config HW_RANDOM_MESON
|
|
|
|
tristate "Amlogic Meson Random Number Generator support"
|
|
|
|
depends on HW_RANDOM
|
|
|
|
depends on ARCH_MESON || COMPILE_TEST
|
|
|
|
default y
|
|
|
|
---help---
|
|
|
|
This driver provides kernel-side support for the Random Number
|
|
|
|
Generator hardware found on Amlogic Meson SoCs.
|
|
|
|
|
|
|
|
To compile this driver as a module, choose M here. the
|
|
|
|
module will be called meson-rng.
|
|
|
|
|
|
|
|
If unsure, say Y.
|
|
|
|
|
2016-08-23 23:27:15 +00:00
|
|
|
config HW_RANDOM_CAVIUM
|
|
|
|
tristate "Cavium ThunderX Random Number Generator support"
|
|
|
|
depends on HW_RANDOM && PCI && (ARM64 || (COMPILE_TEST && 64BIT))
|
|
|
|
default HW_RANDOM
|
|
|
|
---help---
|
|
|
|
This driver provides kernel-side support for the Random Number
|
|
|
|
Generator hardware found on Cavium SoCs.
|
|
|
|
|
|
|
|
To compile this driver as a module, choose M here: the
|
|
|
|
module will be called cavium_rng.
|
|
|
|
|
|
|
|
If unsure, say Y.
|
|
|
|
|
2017-04-20 16:24:26 +00:00
|
|
|
config HW_RANDOM_MTK
|
|
|
|
tristate "Mediatek Random Number Generator support"
|
|
|
|
depends on HW_RANDOM
|
|
|
|
depends on ARCH_MEDIATEK || COMPILE_TEST
|
|
|
|
default y
|
|
|
|
---help---
|
|
|
|
This driver provides kernel-side support for the Random Number
|
|
|
|
Generator hardware found on Mediatek SoCs.
|
|
|
|
|
|
|
|
To compile this driver as a module, choose M here. the
|
|
|
|
module will be called mtk-rng.
|
|
|
|
|
|
|
|
If unsure, say Y.
|
|
|
|
|
2017-02-24 08:10:05 +00:00
|
|
|
config HW_RANDOM_S390
|
|
|
|
tristate "S390 True Random Number Generator support"
|
|
|
|
depends on S390
|
|
|
|
default HW_RANDOM
|
|
|
|
---help---
|
|
|
|
This driver provides kernel-side support for the True
|
|
|
|
Random Number Generator available as CPACF extension
|
|
|
|
on modern s390 hardware platforms.
|
|
|
|
|
|
|
|
To compile this driver as a module, choose M here: the
|
|
|
|
module will be called s390-trng.
|
|
|
|
|
|
|
|
If unsure, say Y.
|
|
|
|
|
2017-12-22 16:48:35 +00:00
|
|
|
config HW_RANDOM_EXYNOS
|
|
|
|
tristate "Samsung Exynos True Random Number Generator support"
|
|
|
|
depends on ARCH_EXYNOS || COMPILE_TEST
|
|
|
|
default HW_RANDOM
|
|
|
|
---help---
|
|
|
|
This driver provides support for the True Random Number
|
|
|
|
Generator available in Exynos SoCs.
|
|
|
|
|
|
|
|
To compile this driver as a module, choose M here: the module
|
|
|
|
will be called exynos-trng.
|
|
|
|
|
|
|
|
If unsure, say Y.
|
2019-01-29 05:49:38 +00:00
|
|
|
|
|
|
|
config HW_RANDOM_OPTEE
|
|
|
|
tristate "OP-TEE based Random Number Generator support"
|
|
|
|
depends on OPTEE
|
|
|
|
default HW_RANDOM
|
|
|
|
help
|
|
|
|
This driver provides support for OP-TEE based Random Number
|
|
|
|
Generator on ARM SoCs where hardware entropy sources are not
|
|
|
|
accessible to normal world (Linux).
|
|
|
|
|
|
|
|
To compile this driver as a module, choose M here: the module
|
|
|
|
will be called optee-rng.
|
|
|
|
|
|
|
|
If unsure, say Y.
|
|
|
|
|
2014-04-08 12:33:04 +00:00
|
|
|
endif # HW_RANDOM
|
|
|
|
|
2014-04-08 12:27:31 +00:00
|
|
|
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.
|
2018-03-13 17:33:31 +00:00
|
|
|
|
|
|
|
config HW_RANDOM_KEYSTONE
|
|
|
|
depends on ARCH_KEYSTONE
|
|
|
|
default HW_RANDOM
|
|
|
|
tristate "TI Keystone NETCP SA Hardware random number generator"
|
|
|
|
help
|
|
|
|
This option enables Keystone's hardware random generator.
|