crypto: xilinx - Add Xilinx AES driver

This patch adds AES driver support for the Xilinx ZynqMP SoC. Signed-off-by: Mohan Marutirao Dhanawade <mohan.dhanawade@xilinx.com> Signed-off-by: Kalyani Akula <kalyani.akula@xilinx.com> Acked-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
linkjumper · Feb 28, 2020 · 4d96f7d · 4d96f7d
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diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
@@ -754,6 +754,18 @@ config CRYPTO_DEV_ROCKCHIP
  This driver interfaces with the hardware crypto accelerator.
  Supporting cbc/ecb chainmode, and aes/des/des3_ede cipher mode.
 
+config CRYPTO_DEV_ZYNQMP_AES
+ tristate "Support for Xilinx ZynqMP AES hw accelerator"
+ depends on ZYNQMP_FIRMWARE || COMPILE_TEST
+ select CRYPTO_AES
+ select CRYPTO_ENGINE
+ select CRYPTO_AEAD
+ help
+ Xilinx ZynqMP has AES-GCM engine used for symmetric key
+ encryption and decryption. This driver interfaces with AES hw
+ accelerator. Select this if you want to use the ZynqMP module
+ for AES algorithms.
+
 config CRYPTO_DEV_MEDIATEK
  tristate "MediaTek's EIP97 Cryptographic Engine driver"
  depends on (ARM && ARCH_MEDIATEK) || COMPILE_TEST

diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile
@@ -47,5 +47,6 @@ obj-$(CONFIG_CRYPTO_DEV_VMX) += vmx/
 obj-$(CONFIG_CRYPTO_DEV_BCM_SPU) += bcm/
 obj-$(CONFIG_CRYPTO_DEV_SAFEXCEL) += inside-secure/
 obj-$(CONFIG_CRYPTO_DEV_ARTPEC6) += axis/
+obj-$(CONFIG_CRYPTO_DEV_ZYNQMP_AES) += xilinx/
 obj-y += hisilicon/
 obj-$(CONFIG_CRYPTO_DEV_AMLOGIC_GXL) += amlogic/
diff --git a/drivers/crypto/xilinx/Makefile b/drivers/crypto/xilinx/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_CRYPTO_DEV_ZYNQMP_AES) += zynqmp-aes-gcm.o