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Boris BREZILLONherbertx
Boris BREZILLON
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herbertx
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crypto: marvell/cesa - add a new driver for Marvell's CESA
The existing mv_cesa driver supports some features of the CESA IP but is quite limited, and reworking it to support new features (like involving the TDMA engine to offload the CPU) is almost impossible. This driver has been rewritten from scratch to take those new features into account. This commit introduce the base infrastructure allowing us to add support for DMA optimization. It also includes support for one hash (SHA1) and one cipher (AES) algorithm, and enable those features on the Armada 370 SoC. Other algorithms and platforms will be added later on. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Arnaud Ebalard <arno@natisbad.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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‎drivers/crypto/Kconfig

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@@ -173,6 +173,21 @@ config CRYPTO_DEV_MV_CESA
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Currently the driver supports AES in ECB and CBC mode without DMA.
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config CRYPTO_DEV_MARVELL_CESA
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tristate "New Marvell's Cryptographic Engine driver"
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depends on (PLAT_ORION || ARCH_MVEBU || COMPILE_TEST) && HAS_DMA && HAS_IOMEM
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select CRYPTO_AES
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select CRYPTO_DES
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select CRYPTO_BLKCIPHER
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select CRYPTO_HASH
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select SRAM
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help
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This driver allows you to utilize the Cryptographic Engines and
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Security Accelerator (CESA) which can be found on the Armada 370.
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This driver is aimed at replacing the mv_cesa driver. This will only
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happen once it has received proper testing.
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config CRYPTO_DEV_NIAGARA2
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tristate "Niagara2 Stream Processing Unit driver"
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select CRYPTO_DES

‎drivers/crypto/Makefile

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@@ -9,6 +9,7 @@ obj-$(CONFIG_CRYPTO_DEV_HIFN_795X) += hifn_795x.o
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obj-$(CONFIG_CRYPTO_DEV_IMGTEC_HASH) += img-hash.o
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obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o
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obj-$(CONFIG_CRYPTO_DEV_MV_CESA) += mv_cesa.o
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obj-$(CONFIG_CRYPTO_DEV_MARVELL_CESA) += marvell/
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obj-$(CONFIG_CRYPTO_DEV_MXS_DCP) += mxs-dcp.o
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obj-$(CONFIG_CRYPTO_DEV_NIAGARA2) += n2_crypto.o
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n2_crypto-y := n2_core.o n2_asm.o

‎drivers/crypto/marvell/Makefile

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obj-$(CONFIG_CRYPTO_DEV_MARVELL_CESA) += marvell-cesa.o
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marvell-cesa-objs := cesa.o cipher.o hash.o

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