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path: root/drivers/rng
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2020-03-11drivers/rng: add Amlogic hardware RNG driverHeinrich Schuchardt3-0/+129
Add support for the hardware random number generator of Amlogic SOCs. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Sughosh Ganu <sughosh.ganu@linaro.org>
2020-03-11drivers/rng: simplify KconfigHeinrich Schuchardt1-2/+7
For all sandbox systems with DM_RNG we enable RNG_SANDBOX. So we can simply set the default to yes. All rng drivers depend on DM_RNG. Use a single 'if' instead of individual dependencies. Now 'make menuconfig' shows the individual drivers neatly indented under the DM_RNG entry. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Sughosh Ganu <sughosh.ganu@linaro.org>
2020-03-02stm32mp1: rng: remove superfluous assignmentHeinrich Schuchardt1-1/+1
We should not assign a value that is overwritten before use. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Acked-by: Sughosh Ganu <sughosh.ganu@linaro.org> Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-01-25lib: Kconfig dependencies for pseudo-random libraryHeinrich Schuchardt1-1/+0
drivers/rng/sandbox_rng.c requires rand() to be defined but configuration option CONFIG_CONFIG_LIB_RAND selected in drivers/rng/Kconfig does not exist. test/lib/test_aes.c requires rand() to be defined. Fix the selection criteria for choice "Pseudo-random library support type". Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-01-07sandbox: rng: Add a random number generator(rng) driverSughosh Ganu3-0/+65
Add a sandbox driver for random number generation. Mostly aimed at providing a unit test for rng uclass. Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org> Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2020-01-07stm32mp1: rng: Add a driver for random number generator(rng) deviceSughosh Ganu3-0/+168
Add a driver for the rng device found on stm32mp1 platforms. The driver provides a routine for reading the random number seed from the hardware device. Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org> Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Acked-by: Patrick Delaunay <patrick.delaunay@st.com> Remove a superfluous blank line Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-01-07dm: rng: Add random number generator(rng) uclassSughosh Ganu3-0/+36
Add a uclass for reading a random number seed from a random number generator device. Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org> Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Simon Glass <sjg@chromium.org>