diff options
| author | Vincent Palatin <vpalatin@chromium.org> | 2017-02-21 14:39:52 +0100 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2017-02-23 11:36:21 -0800 |
| commit | 4cbf0cc358a2983a76dc1d732cf158dc15de8629 (patch) | |
| tree | 5e67e076d0c6ea0ee31f6e25d8f13089f96b0833 /include/trng.h | |
| parent | 569b5e8f0f124f08e2c1e3cab27081dfff2e266c (diff) | |
| download | chrome-ec-4cbf0cc358a2983a76dc1d732cf158dc15de8629.tar.gz | |
stm32: add TRNG support
Add a driver for the STM32 True Random Number Generator.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=none
BUG=chrome-os-partner:62991
TEST=adhoc on STM32L, craft console command and generate/dump
buffers of random numbers.
Change-Id: Ie7ce890cfc36a3b9a277715b17051e3e42fdfc96
Reviewed-on: https://chromium-review.googlesource.com/445777
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Shawn N <shawnn@chromium.org>
Diffstat (limited to 'include/trng.h')
| -rw-r--r-- | include/trng.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/trng.h b/include/trng.h index fed113c196..ec56829e54 100644 --- a/include/trng.h +++ b/include/trng.h @@ -16,6 +16,16 @@ void init_trng(void); /** + * Shutdown the true random number generator. + * + * The opposite operation of init_trng(), disable the hardware resources + * used by the TRNG to save power. + * + * Not supported by all platforms. + **/ +void exit_trng(void); + +/** * Retrieve a 32 bit random value. * * Not supported on all platforms. |