diff options
Diffstat (limited to 'drivers/crypto/tegra-se.h')
| -rw-r--r-- | drivers/crypto/tegra-se.h | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/drivers/crypto/tegra-se.h b/drivers/crypto/tegra-se.h new file mode 100644 index 000000000000..8c54df8991e6 --- /dev/null +++ b/drivers/crypto/tegra-se.h @@ -0,0 +1,235 @@ +/* + * Driver for Tegra Security Engine + * + * Copyright (c) 2011, NVIDIA Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef _CRYPTO_TEGRA_SE_H +#define _CRYPTO_TEGRA_SE_H + +#include <crypto/hash.h> +#include <crypto/sha.h> + +#define PFX "tegra-se: " + +#define TEGRA_SE_CRA_PRIORITY 300 +#define TEGRA_SE_COMPOSITE_PRIORITY 400 +#define TEGRA_SE_CRYPTO_QUEUE_LENGTH 50 +#define SE_MAX_SRC_SG_COUNT 50 +#define SE_MAX_DST_SG_COUNT 50 + +#define TEGRA_SE_KEYSLOT_COUNT 16 + +/* SE register definitions */ +#define SE_CONFIG_REG_OFFSET 0x014 +#define SE_CONFIG_ENC_ALG_SHIFT 12 +#define SE_CONFIG_DEC_ALG_SHIFT 8 +#define ALG_AES_ENC 1 +#define ALG_RNG 2 +#define ALG_SHA 3 +#define ALG_NOP 0 +#define ALG_AES_DEC 1 +#define SE_CONFIG_ENC_ALG(x) (x << SE_CONFIG_ENC_ALG_SHIFT) +#define SE_CONFIG_DEC_ALG(x) (x << SE_CONFIG_DEC_ALG_SHIFT) +#define SE_CONFIG_DST_SHIFT 2 +#define DST_MEMORY 0 +#define DST_HASHREG 1 +#define DST_KEYTAB 2 +#define DST_SRK 3 +#define SE_CONFIG_DST(x) (x << SE_CONFIG_DST_SHIFT) +#define SE_CONFIG_ENC_MODE_SHIFT 24 +#define SE_CONFIG_DEC_MODE_SHIFT 16 +#define MODE_KEY128 0 +#define MODE_KEY192 1 +#define MODE_KEY256 2 +#define MODE_SHA1 0 +#define MODE_SHA224 4 +#define MODE_SHA256 5 +#define MODE_SHA384 6 +#define MODE_SHA512 7 +#define SE_CONFIG_ENC_MODE(x) (x << SE_CONFIG_ENC_MODE_SHIFT) +#define SE_CONFIG_DEC_MODE(x) (x << SE_CONFIG_DEC_MODE_SHIFT) + +#define SE_KEYTABLE_REG_OFFSET 0x31c +#define SE_KEYTABLE_SLOT_SHIFT 4 +#define SE_KEYTABLE_SLOT(x) (x << SE_KEYTABLE_SLOT_SHIFT) +#define SE_KEYTABLE_QUAD_SHIFT 2 +#define QUAD_KEYS_128 0 +#define QUAD_KEYS_192 1 +#define QUAD_KEYS_256 1 +#define QUAD_ORG_IV 2 +#define QUAD_UPDTD_IV 3 +#define SE_KEYTABLE_QUAD(x) (x << SE_KEYTABLE_QUAD_SHIFT) +#define SE_KEYTABLE_OP_TYPE_SHIFT 9 +#define OP_READ 0 +#define OP_WRITE 1 +#define SE_KEYTABLE_OP_TYPE(x) (x << SE_KEYTABLE_OP_TYPE_SHIFT) +#define SE_KEYTABLE_TABLE_SEL_SHIFT 8 +#define TABLE_KEYIV 0 +#define TABLE_SCHEDULE 1 +#define SE_KEYTABLE_TABLE_SEL(x) (x << SE_KEYTABLE_TABLE_SEL_SHIFT) +#define SE_KEYTABLE_PKT_SHIFT 0 +#define SE_KEYTABLE_PKT(x) (x << SE_KEYTABLE_PKT_SHIFT) + +#define SE_CRYPTO_REG_OFFSET 0x304 +#define SE_CRYPTO_HASH_SHIFT 0 +#define HASH_DISABLE 0 +#define HASH_ENABLE 1 +#define SE_CRYPTO_HASH(x) (x << SE_CRYPTO_HASH_SHIFT) +#define SE_CRYPTO_XOR_POS_SHIFT 1 +#define XOR_BYPASS 0 +#define XOR_TOP 2 +#define XOR_BOTTOM 3 +#define SE_CRYPTO_XOR_POS(x) (x << SE_CRYPTO_XOR_POS_SHIFT) +#define SE_CRYPTO_INPUT_SEL_SHIFT 3 +#define INPUT_AHB 0 +#define INPUT_LFSR 1 +#define INPUT_AESOUT 2 +#define INPUT_LNR_CTR 3 +#define SE_CRYPTO_INPUT_SEL(x) (x << SE_CRYPTO_INPUT_SEL_SHIFT) +#define SE_CRYPTO_VCTRAM_SEL_SHIFT 5 +#define VCTRAM_AHB 0 +#define VCTRAM_AESOUT 2 +#define VCTRAM_PREVAHB 3 +#define SE_CRYPTO_VCTRAM_SEL(x) (x << SE_CRYPTO_VCTRAM_SEL_SHIFT) +#define SE_CRYPTO_IV_SEL_SHIFT 7 +#define IV_ORIGINAL 0 +#define IV_UPDATED 1 +#define SE_CRYPTO_IV_SEL(x) (x << SE_CRYPTO_IV_SEL_SHIFT) +#define SE_CRYPTO_CORE_SEL_SHIFT 8 +#define CORE_DECRYPT 0 +#define CORE_ENCRYPT 1 +#define SE_CRYPTO_CORE_SEL(x) (x << SE_CRYPTO_CORE_SEL_SHIFT) +#define SE_CRYPTO_CTR_VAL_SHIFT 11 +#define SE_CRYPTO_CTR_VAL(x) (x << SE_CRYPTO_CTR_VAL_SHIFT) +#define SE_CRYPTO_KEY_INDEX_SHIFT 24 +#define SE_CRYPTO_KEY_INDEX(x) (x << SE_CRYPTO_KEY_INDEX_SHIFT) +#define SE_CRYPTO_CTR_CNTN_SHIFT 11 +#define SE_CRYPTO_CTR_CNTN(x) (x << SE_CRYPTO_CTR_CNTN_SHIFT) + +#define SE_CRYPTO_CTR_REG_COUNT 4 +#define SE_CRYPTO_CTR_REG_OFFSET 0x308 + +#define SE_OPERATION_REG_OFFSET 0x008 +#define SE_OPERATION_SHIFT 0 +#define OP_ABORT 0 +#define OP_SRART 1 +#define OP_RESTART 2 +#define OP_CTX_SAVE 3 +#define SE_OPERATION(x) (x << SE_OPERATION_SHIFT) + +#define SE_CONTEXT_SAVE_CONFIG_REG_OFFSET 0x070 +#define SE_CONTEXT_SAVE_WORD_QUAD_SHIFT 0 +#define KEYS_0_3 0 +#define KEYS_4_7 1 +#define ORIG_IV 2 +#define UPD_IV 3 +#define SE_CONTEXT_SAVE_WORD_QUAD(x) (x << SE_CONTEXT_SAVE_WORD_QUAD_SHIFT) + +#define SE_CONTEXT_SAVE_KEY_INDEX_SHIFT 8 +#define SE_CONTEXT_SAVE_KEY_INDEX(x) (x << SE_CONTEXT_SAVE_KEY_INDEX_SHIFT) + + +#define SE_CONTEXT_SAVE_SRC_SHIFT 30 +#define STICKY_BITS 0 +#define KEYTABLE 1 +#define MEM 2 +#define SRK 3 +#define SE_CONTEXT_SAVE_SRC(x) (x << SE_CONTEXT_SAVE_SRC_SHIFT) + +#define SE_INT_ENABLE_REG_OFFSET 0x00c +#define SE_INT_STATUS_REG_OFFSET 0x010 +#define INT_DISABLE 0 +#define INT_ENABLE 1 +#define INT_UNSET 0 +#define INT_SET 1 +#define SE_INT_OP_DONE_SHIFT 4 +#define SE_INT_OP_DONE(x) (x << SE_INT_OP_DONE_SHIFT) +#define SE_INT_ERROR_SHIFT 16 +#define SE_INT_ERROR(x) (x << SE_INT_ERROR_SHIFT) + +#define SE_CRYPTO_KEYTABLE_DST_REG_OFFSET 0X330 +#define SE_CRYPTO_KEYTABLE_DST_WORD_QUAD_SHIFT 0 +#define SE_CRYPTO_KEYTABLE_DST_WORD_QUAD(x) \ + (x << SE_CRYPTO_KEYTABLE_DST_WORD_QUAD_SHIFT) + +#define SE_KEY_INDEX_SHIFT 8 +#define SE_CRYPTO_KEYTABLE_DST_KEY_INDEX(x) (x << SE_KEY_INDEX_SHIFT) + +#define SE_IN_LL_ADDR_REG_OFFSET 0x018 +#define SE_OUT_LL_ADDR_REG_OFFSET 0x024 + +#define SE_KEYTABLE_DATA0_REG_OFFSET 0x320 +#define SE_KEYTABLE_REG_MAX_DATA 16 + +#define SE_BLOCK_COUNT_REG_OFFSET 0x318 + +#define SE_SPARE_0_REG_OFFSET 0x80c + +#define SE_SHA_CONFIG_REG_OFFSET 0x200 +#define SHA_DISABLE 0 +#define SHA_ENABLE 1 + +#define SE_SHA_MSG_LENGTH_REG_OFFSET 0x204 +#define SE_SHA_MSG_LEFT_REG_OFFSET 0x214 + + +#define SE_HASH_RESULT_REG_COUNT 16 +#define SE_HASH_RESULT_REG_OFFSET 0x030 + + +#define TEGRA_SE_KEY_256_SIZE 32 +#define TEGRA_SE_KEY_192_SIZE 24 +#define TEGRA_SE_KEY_128_SIZE 16 +#define TEGRA_SE_AES_BLOCK_SIZE 16 +#define TEGRA_SE_AES_MIN_KEY_SIZE 16 +#define TEGRA_SE_AES_MAX_KEY_SIZE 32 +#define TEGRA_SE_AES_IV_SIZE 16 +#define TEGRA_SE_RNG_IV_SIZE 16 +#define TEGRA_SE_RNG_DT_SIZE 16 +#define TEGRA_SE_RNG_KEY_SIZE 16 +#define TEGRA_SE_RNG_SEED_SIZE (TEGRA_SE_RNG_IV_SIZE + \ + TEGRA_SE_RNG_KEY_SIZE + \ + TEGRA_SE_RNG_DT_SIZE) +#define TEGRA_SE_AES_CMAC_DIGEST_SIZE 16 + +#define SE_KEY_TABLE_ACCESS_REG_OFFSET 0x284 +#define SE_KEY_READ_DISABLE_SHIFT 0 + +#define SE_CONTEXT_BUFER_SIZE 1072 +#define SE_CONTEXT_SAVE_RANDOM_DATA_OFFSET 0 +#define SE_CONTEXT_SAVE_RANDOM_DATA_SIZE 16 +#define SE_CONTEXT_SAVE_STICKY_BITS_OFFSET \ + (SE_CONTEXT_SAVE_RANDOM_DATA_OFFSET + SE_CONTEXT_SAVE_RANDOM_DATA_SIZE) +#define SE_CONTEXT_SAVE_STICKY_BITS_SIZE 16 +#define SE_CONTEXT_SAVE_KEYS_OFFSET (SE_CONTEXT_SAVE_STICKY_BITS_OFFSET + \ + SE_CONTEXT_SAVE_STICKY_BITS_SIZE) +#define SE_CONTEXT_SAVE_KEY_LENGTH 512 +#define SE_CONTEXT_ORIGINAL_IV_OFFSET (SE_CONTEXT_SAVE_KEYS_OFFSET + \ + SE_CONTEXT_SAVE_KEY_LENGTH) +#define SE_CONTEXT_ORIGINAL_IV_LENGTH 256 + +#define SE_CONTEXT_UPDATED_IV_OFFSET (SE_CONTEXT_ORIGINAL_IV_OFFSET + \ + SE_CONTEXT_ORIGINAL_IV_LENGTH) + +#define SE_CONTEXT_UPDATED_IV_LENGTH 256 +#define SE_CONTEXT_KNOWN_PATTERN_OFFSET (SE_CONTEXT_UPDATED_IV_OFFSET + \ + SE_CONTEXT_UPDATED_IV_LENGTH) +#define SE_CONTEXT_KNOWN_PATTERN_SIZE 16 + + +#endif /* _CRYPTO_TEGRA_SE_H */ |