Commit 5de88752 authored by Javier Martin's avatar Javier Martin Committed by Herbert Xu
Browse files

crypto: sahara - Add driver for SAHARA2 accelerator. 



SAHARA2 HW module is included in the i.MX27 SoC from
Freescale. It is capable of performing cipher algorithms
such as AES, 3DES..., hashing and RNG too.

This driver provides support for AES-CBC and AES-ECB
by now.

Reviewed-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarJavier Martin <javier.martin@vista-silicon.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 6375bcf7

Documentation/devicetree/bindings/crypto/fsl-imx-sahara.txt

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Freescale SAHARA Cryptographic Accelerator included in some i.MX chips.

Currently only i.MX27 is supported.



Required properties:

- compatible : Should be "fsl,<soc>-sahara"

- reg : Should contain SAHARA registers location and length

- interrupts : Should contain SAHARA interrupt number



Example:



sah@10025000 {

	compatible = "fsl,imx27-sahara";

	reg = <	0x10025000 0x800>;

	interrupts = <75>;

};

drivers/crypto/Kconfig

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@@ -276,6 +276,16 @@ config CRYPTO_DEV_PICOXCELL 


	  Saying m here will build a module named pipcoxcell_crypto.



config CRYPTO_DEV_SAHARA

	tristate "Support for SAHARA crypto accelerator"

	depends on ARCH_MXC && EXPERIMENTAL && OF

	select CRYPTO_BLKCIPHER

	select CRYPTO_AES

	select CRYPTO_ECB

	help

	  This option enables support for the SAHARA HW crypto accelerator

	  found in some Freescale i.MX chips.



config CRYPTO_DEV_S5P

	tristate "Support for Samsung S5PV210 crypto accelerator"

	depends on ARCH_S5PV210

drivers/crypto/Makefile

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@@ -12,6 +12,7 @@ obj-$(CONFIG_CRYPTO_DEV_PPC4XX) += amcc/ 
obj-$(CONFIG_CRYPTO_DEV_OMAP_SHAM) += omap-sham.o

obj-$(CONFIG_CRYPTO_DEV_OMAP_AES) += omap-aes.o

obj-$(CONFIG_CRYPTO_DEV_PICOXCELL) += picoxcell_crypto.o

obj-$(CONFIG_CRYPTO_DEV_SAHARA) += sahara.o

obj-$(CONFIG_CRYPTO_DEV_S5P) += s5p-sss.o

obj-$(CONFIG_CRYPTO_DEV_TEGRA_AES) += tegra-aes.o

obj-$(CONFIG_CRYPTO_DEV_UX500) += ux500/

drivers/crypto/sahara.c

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File added.

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