crypto: mv_cesa - Add support for Orion5X crypto engine

This adds support for Marvell's Cryptographic Engines and Security
Accelerator (CESA) which can be found on a few SoC.
Tested with dm-crypt.

Acked-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/Kconfig

@@ -157,6 +157,19 @@ config S390_PRNG
 	  ANSI X9.17 standard. The PRNG is usable via the char device
 	  /dev/prandom.
 
+config CRYPTO_DEV_MV_CESA
+	tristate "Marvell's Cryptographic Engine"
+	depends on PLAT_ORION
+	select CRYPTO_ALGAPI
+	select CRYPTO_AES
+	select CRYPTO_BLKCIPHER2
+	help
+	  This driver allows you to utilize the Cryptographic Engines and
+	  Security Accelerator (CESA) which can be found on the Marvell Orion
+	  and Kirkwood SoCs, such as QNAP's TS-209.
+
+	  Currently the driver supports AES in ECB and CBC mode without DMA.
+
 config CRYPTO_DEV_HIFN_795X
 	tristate "Driver HIFN 795x crypto accelerator chips"
 	select CRYPTO_DES

drivers/crypto/Makefile

@@ -2,6 +2,7 @@ obj-$(CONFIG_CRYPTO_DEV_PADLOCK_AES) += padlock-aes.o
 obj-$(CONFIG_CRYPTO_DEV_PADLOCK_SHA) += padlock-sha.o
 obj-$(CONFIG_CRYPTO_DEV_GEODE) += geode-aes.o
 obj-$(CONFIG_CRYPTO_DEV_HIFN_795X) += hifn_795x.o
+obj-$(CONFIG_CRYPTO_DEV_MV_CESA) += mv_cesa.o
 obj-$(CONFIG_CRYPTO_DEV_TALITOS) += talitos.o
 obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o
 obj-$(CONFIG_CRYPTO_DEV_PPC4XX) += amcc/