crypto: driver for Tegra AES hardware
driver supports ecb/cbc/ofb/ansi_x9.31rng modes, 128, 192 and 256-bit key sizes Signed-off-by: Varun Wadekar <vwadekar@nvidia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -293,4 +293,15 @@ config CRYPTO_DEV_S5P
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Select this to offload Samsung S5PV210 or S5PC110 from AES
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algorithms execution.
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config CRYPTO_DEV_TEGRA_AES
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tristate "Support for TEGRA AES hw engine"
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depends on ARCH_TEGRA
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select CRYPTO_AES
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help
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TEGRA processors have AES module accelerator. Select this if you
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want to use the TEGRA module for AES algorithms.
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To compile this driver as a module, choose M here: the module
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will be called tegra-aes.
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endif # CRYPTO_HW
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@ -13,3 +13,4 @@ obj-$(CONFIG_CRYPTO_DEV_OMAP_SHAM) += omap-sham.o
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obj-$(CONFIG_CRYPTO_DEV_OMAP_AES) += omap-aes.o
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obj-$(CONFIG_CRYPTO_DEV_PICOXCELL) += picoxcell_crypto.o
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obj-$(CONFIG_CRYPTO_DEV_S5P) += s5p-sss.o
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obj-$(CONFIG_CRYPTO_DEV_TEGRA_AES) += tegra-aes.o
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,103 @@
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/*
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* Copyright (c) 2010, NVIDIA Corporation.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __CRYPTODEV_TEGRA_AES_H
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#define __CRYPTODEV_TEGRA_AES_H
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#define TEGRA_AES_ICMDQUE_WR 0x1000
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#define TEGRA_AES_CMDQUE_CONTROL 0x1008
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#define TEGRA_AES_INTR_STATUS 0x1018
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#define TEGRA_AES_INT_ENB 0x1040
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#define TEGRA_AES_CONFIG 0x1044
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#define TEGRA_AES_IRAM_ACCESS_CFG 0x10A0
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#define TEGRA_AES_SECURE_DEST_ADDR 0x1100
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#define TEGRA_AES_SECURE_INPUT_SELECT 0x1104
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#define TEGRA_AES_SECURE_CONFIG 0x1108
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#define TEGRA_AES_SECURE_CONFIG_EXT 0x110C
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#define TEGRA_AES_SECURE_SECURITY 0x1110
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#define TEGRA_AES_SECURE_HASH_RESULT0 0x1120
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#define TEGRA_AES_SECURE_HASH_RESULT1 0x1124
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#define TEGRA_AES_SECURE_HASH_RESULT2 0x1128
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#define TEGRA_AES_SECURE_HASH_RESULT3 0x112C
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#define TEGRA_AES_SECURE_SEC_SEL0 0x1140
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#define TEGRA_AES_SECURE_SEC_SEL1 0x1144
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#define TEGRA_AES_SECURE_SEC_SEL2 0x1148
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#define TEGRA_AES_SECURE_SEC_SEL3 0x114C
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#define TEGRA_AES_SECURE_SEC_SEL4 0x1150
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#define TEGRA_AES_SECURE_SEC_SEL5 0x1154
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#define TEGRA_AES_SECURE_SEC_SEL6 0x1158
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#define TEGRA_AES_SECURE_SEC_SEL7 0x115C
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/* interrupt status reg masks and shifts */
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#define TEGRA_AES_ENGINE_BUSY_FIELD BIT(0)
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#define TEGRA_AES_ICQ_EMPTY_FIELD BIT(3)
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#define TEGRA_AES_DMA_BUSY_FIELD BIT(23)
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/* secure select reg masks and shifts */
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#define TEGRA_AES_SECURE_SEL0_KEYREAD_ENB0_FIELD BIT(0)
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/* secure config ext masks and shifts */
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#define TEGRA_AES_SECURE_KEY_SCH_DIS_FIELD BIT(15)
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/* secure config masks and shifts */
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#define TEGRA_AES_SECURE_KEY_INDEX_SHIFT 20
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#define TEGRA_AES_SECURE_KEY_INDEX_FIELD (0x1F << TEGRA_AES_SECURE_KEY_INDEX_SHIFT)
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#define TEGRA_AES_SECURE_BLOCK_CNT_SHIFT 0
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#define TEGRA_AES_SECURE_BLOCK_CNT_FIELD (0xFFFFF << TEGRA_AES_SECURE_BLOCK_CNT_SHIFT)
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/* stream interface select masks and shifts */
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#define TEGRA_AES_CMDQ_CTRL_UCMDQEN_FIELD BIT(0)
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#define TEGRA_AES_CMDQ_CTRL_ICMDQEN_FIELD BIT(1)
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#define TEGRA_AES_CMDQ_CTRL_SRC_STM_SEL_FIELD BIT(4)
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#define TEGRA_AES_CMDQ_CTRL_DST_STM_SEL_FIELD BIT(5)
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/* config register masks and shifts */
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#define TEGRA_AES_CONFIG_ENDIAN_ENB_FIELD BIT(10)
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#define TEGRA_AES_CONFIG_MODE_SEL_SHIFT 0
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#define TEGRA_AES_CONFIG_MODE_SEL_FIELD (0x1F << TEGRA_AES_CONFIG_MODE_SEL_SHIFT)
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/* extended config */
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#define TEGRA_AES_SECURE_OFFSET_CNT_SHIFT 24
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#define TEGRA_AES_SECURE_OFFSET_CNT_FIELD (0xFF << TEGRA_AES_SECURE_OFFSET_CNT_SHIFT)
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#define TEGRA_AES_SECURE_KEYSCHED_GEN_FIELD BIT(15)
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/* init vector select */
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#define TEGRA_AES_SECURE_IV_SELECT_SHIFT 10
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#define TEGRA_AES_SECURE_IV_SELECT_FIELD BIT(10)
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/* secure engine input */
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#define TEGRA_AES_SECURE_INPUT_ALG_SEL_SHIFT 28
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#define TEGRA_AES_SECURE_INPUT_ALG_SEL_FIELD (0xF << TEGRA_AES_SECURE_INPUT_ALG_SEL_SHIFT)
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#define TEGRA_AES_SECURE_INPUT_KEY_LEN_SHIFT 16
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#define TEGRA_AES_SECURE_INPUT_KEY_LEN_FIELD (0xFFF << TEGRA_AES_SECURE_INPUT_KEY_LEN_SHIFT)
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#define TEGRA_AES_SECURE_RNG_ENB_FIELD BIT(11)
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#define TEGRA_AES_SECURE_CORE_SEL_SHIFT 9
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#define TEGRA_AES_SECURE_CORE_SEL_FIELD BIT(9)
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#define TEGRA_AES_SECURE_VCTRAM_SEL_SHIFT 7
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#define TEGRA_AES_SECURE_VCTRAM_SEL_FIELD (0x3 << TEGRA_AES_SECURE_VCTRAM_SEL_SHIFT)
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#define TEGRA_AES_SECURE_INPUT_SEL_SHIFT 5
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#define TEGRA_AES_SECURE_INPUT_SEL_FIELD (0x3 << TEGRA_AES_SECURE_INPUT_SEL_SHIFT)
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#define TEGRA_AES_SECURE_XOR_POS_SHIFT 3
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#define TEGRA_AES_SECURE_XOR_POS_FIELD (0x3 << TEGRA_AES_SECURE_XOR_POS_SHIFT)
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#define TEGRA_AES_SECURE_HASH_ENB_FIELD BIT(2)
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#define TEGRA_AES_SECURE_ON_THE_FLY_FIELD BIT(0)
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/* interrupt error mask */
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#define TEGRA_AES_INT_ERROR_MASK 0xFFF000
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#endif
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