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Commit 2789c08f authored by Andreas Westin's avatar Andreas Westin Committed by Herbert Xu
Browse files

crypto: ux500 - Add driver for CRYP hardware 



This adds a driver for the ST-Ericsson ux500 crypto hardware
module. It supports AES, DES and 3DES, the driver implements
support for AES-ECB,CBC and CTR.

Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarAndreas Westin <andreas.westin@stericsson.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 028fdd87

arch/arm/mach-ux500/include/mach/crypto-ux500.h

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/*

 * Copyright (C) ST-Ericsson SA 2011

 *

 * Author: Joakim Bech <joakim.xx.bech@stericsson.com> for ST-Ericsson

 * License terms: GNU General Public License (GPL) version 2

 */

#ifndef _CRYPTO_UX500_H

#include <linux/dmaengine.h>

#include <plat/ste_dma40.h>



struct cryp_platform_data {

	struct stedma40_chan_cfg mem_to_engine;

	struct stedma40_chan_cfg engine_to_mem;

};



#endif

drivers/crypto/Kconfig

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@@ -295,4 +295,15 @@ config CRYPTO_DEV_TEGRA_AES 
	  To compile this driver as a module, choose M here: the module

	  will be called tegra-aes.



config CRYPTO_DEV_UX500

	tristate "Driver for ST-Ericsson UX500 crypto hardware acceleration"

	depends on ARCH_U8500

	select CRYPTO_ALGAPI

	help

	  Driver for ST-Ericsson UX500 crypto engine.



if CRYPTO_DEV_UX500

	source "drivers/crypto/ux500/Kconfig"

endif # if CRYPTO_DEV_UX500



endif # CRYPTO_HW

drivers/crypto/Makefile

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@@ -14,3 +14,4 @@ obj-$(CONFIG_CRYPTO_DEV_OMAP_AES) += omap-aes.o 
obj-$(CONFIG_CRYPTO_DEV_PICOXCELL) += picoxcell_crypto.o

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

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

obj-$(CONFIG_CRYPTO_DEV_UX500) += ux500/
 
 No newline at end of file

drivers/crypto/ux500/Kconfig

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#

# Copyright (C) ST-Ericsson SA 2010

# Author: Shujuan Chen (shujuan.chen@stericsson.com)

# License terms: GNU General Public License (GPL) version 2

#



config CRYPTO_DEV_UX500_CRYP

	tristate "UX500 crypto driver for CRYP block"

	depends on CRYPTO_DEV_UX500

	select CRYPTO_DES

	help

        This selects the crypto driver for the UX500_CRYP hardware. It supports

        AES-ECB, CBC and CTR with keys sizes of 128, 192 and 256 bit sizes.



config CRYPTO_DEV_UX500_DEBUG

	bool "Activate ux500 platform debug-mode for crypto and hash block"

	depends on CRYPTO_DEV_UX500_CRYP || CRYPTO_DEV_UX500_HASH

	default n

	help

	  Say Y if you want to add debug prints to ux500_hash and

	  ux500_cryp devices.

drivers/crypto/ux500/Makefile

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#

# Copyright (C) ST-Ericsson SA 2010

# Author: Shujuan Chen (shujuan.chen@stericsson.com)

# License terms: GNU General Public License (GPL) version 2

#



obj-$(CONFIG_CRYPTO_DEV_UX500_CRYP) += cryp/