Commit Graph

3 Commits

Author SHA1 Message Date
Rob Herring
b0cc7491c9 crypto: drivers - Explicitly include correct DT includes
The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.

Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-08-23 11:04:23 +08:00
Corentin Labbe
7a70d9a1cf crypto: xilinx: prevent probing on non-xilinx hardware
The zynqmp-sha driver is always loaded and register its algorithm even on
platform which do not have the proper hardware.
This lead to a stacktrace due to zynqmp-sha3-384 failing its crypto
self tests.
So check if hardware is present via the firmware API call get_version.

While at it, simplify the platform_driver by using module_platform_driver()

Furthermore the driver should depend on ZYNQMP_FIRMWARE since it cannot
work without it.

Fixes: 7ecc3e3447 ("crypto: xilinx - Add Xilinx SHA3 driver")
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-03-09 15:12:31 +12:00
Harsha
7ecc3e3447 crypto: xilinx - Add Xilinx SHA3 driver
This patch adds SHA3 driver support for the Xilinx ZynqMP SoC.
Xilinx ZynqMP SoC has SHA3 engine used for secure hash calculation.
The flow is
SHA3 request from Userspace -> SHA3 driver-> ZynqMp driver-> Firmware ->
SHA3 HW Engine

SHA3 HW engine in Xilinx ZynqMP SoC, does not support parallel processing
of 2 hash requests.
Therefore, software fallback is being used for init, update, final,
export and import in the ZynqMP SHA driver
For digest, the calculation of SHA3 hash is done by the hardened
SHA3 accelerator in Xilinx ZynqMP SoC.

Signed-off-by: Harsha <harsha.harsha@xilinx.com>
Signed-off-by: Kalyani Akula <kalyani.akula@xilinx.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-03-03 10:49:21 +12:00