crypto: picoxcell - add support for the picoxcell crypto engines
Picochip picoXcell devices have two crypto engines, one targeted at IPSEC offload and the other at WCDMA layer 2 ciphering. Signed-off-by: Jamie Iles <jamie@jamieiles.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jamie Iles
Herbert Xu
Родитель
bd1f2996b4
Коммит
ce92136843
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@ -252,4 +252,21 @@ config CRYPTO_DEV_OMAP_AES
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OMAP processors have AES module accelerator. Select this if you
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want to use the OMAP module for AES algorithms.
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config CRYPTO_DEV_PICOXCELL
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tristate "Support for picoXcell IPSEC and Layer2 crypto engines"
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depends on ARCH_PICOXCELL
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select CRYPTO_AES
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select CRYPTO_AUTHENC
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select CRYPTO_ALGAPI
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select CRYPTO_DES
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select CRYPTO_CBC
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select CRYPTO_ECB
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select CRYPTO_SEQIV
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help
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This option enables support for the hardware offload engines in the
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Picochip picoXcell SoC devices. Select this for IPSEC ESP offload
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and for 3gpp Layer 2 ciphering support.
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Saying m here will build a module named pipcoxcell_crypto.
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endif # CRYPTO_HW
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@ -10,4 +10,4 @@ obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o
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obj-$(CONFIG_CRYPTO_DEV_PPC4XX) += amcc/
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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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@ -0,0 +1,128 @@
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/*
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* Copyright (c) 2010 Picochip Ltd., Jamie Iles
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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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __PICOXCELL_CRYPTO_REGS_H__
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#define __PICOXCELL_CRYPTO_REGS_H__
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#define SPA_STATUS_OK 0
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#define SPA_STATUS_ICV_FAIL 1
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#define SPA_STATUS_MEMORY_ERROR 2
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#define SPA_STATUS_BLOCK_ERROR 3
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#define SPA_IRQ_CTRL_STAT_CNT_OFFSET 16
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#define SPA_IRQ_STAT_STAT_MASK (1 << 4)
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#define SPA_FIFO_STAT_STAT_OFFSET 16
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#define SPA_FIFO_STAT_STAT_CNT_MASK (0x3F << SPA_FIFO_STAT_STAT_OFFSET)
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#define SPA_STATUS_RES_CODE_OFFSET 24
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#define SPA_STATUS_RES_CODE_MASK (0x3 << SPA_STATUS_RES_CODE_OFFSET)
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#define SPA_KEY_SZ_CTX_INDEX_OFFSET 8
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#define SPA_KEY_SZ_CIPHER_OFFSET 31
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#define SPA_IRQ_EN_REG_OFFSET 0x00000000
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#define SPA_IRQ_STAT_REG_OFFSET 0x00000004
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#define SPA_IRQ_CTRL_REG_OFFSET 0x00000008
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#define SPA_FIFO_STAT_REG_OFFSET 0x0000000C
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#define SPA_SDMA_BRST_SZ_REG_OFFSET 0x00000010
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#define SPA_SRC_PTR_REG_OFFSET 0x00000020
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#define SPA_DST_PTR_REG_OFFSET 0x00000024
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#define SPA_OFFSET_REG_OFFSET 0x00000028
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#define SPA_AAD_LEN_REG_OFFSET 0x0000002C
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#define SPA_PROC_LEN_REG_OFFSET 0x00000030
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#define SPA_ICV_LEN_REG_OFFSET 0x00000034
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#define SPA_ICV_OFFSET_REG_OFFSET 0x00000038
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#define SPA_SW_CTRL_REG_OFFSET 0x0000003C
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#define SPA_CTRL_REG_OFFSET 0x00000040
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#define SPA_AUX_INFO_REG_OFFSET 0x0000004C
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#define SPA_STAT_POP_REG_OFFSET 0x00000050
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#define SPA_STATUS_REG_OFFSET 0x00000054
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#define SPA_KEY_SZ_REG_OFFSET 0x00000100
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#define SPA_CIPH_KEY_BASE_REG_OFFSET 0x00004000
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#define SPA_HASH_KEY_BASE_REG_OFFSET 0x00008000
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#define SPA_RC4_CTX_BASE_REG_OFFSET 0x00020000
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#define SPA_IRQ_EN_REG_RESET 0x00000000
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#define SPA_IRQ_CTRL_REG_RESET 0x00000000
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#define SPA_FIFO_STAT_REG_RESET 0x00000000
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#define SPA_SDMA_BRST_SZ_REG_RESET 0x00000000
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#define SPA_SRC_PTR_REG_RESET 0x00000000
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#define SPA_DST_PTR_REG_RESET 0x00000000
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#define SPA_OFFSET_REG_RESET 0x00000000
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#define SPA_AAD_LEN_REG_RESET 0x00000000
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#define SPA_PROC_LEN_REG_RESET 0x00000000
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#define SPA_ICV_LEN_REG_RESET 0x00000000
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#define SPA_ICV_OFFSET_REG_RESET 0x00000000
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#define SPA_SW_CTRL_REG_RESET 0x00000000
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#define SPA_CTRL_REG_RESET 0x00000000
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#define SPA_AUX_INFO_REG_RESET 0x00000000
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#define SPA_STAT_POP_REG_RESET 0x00000000
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#define SPA_STATUS_REG_RESET 0x00000000
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#define SPA_KEY_SZ_REG_RESET 0x00000000
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#define SPA_CTRL_HASH_ALG_IDX 4
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#define SPA_CTRL_CIPH_MODE_IDX 8
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#define SPA_CTRL_HASH_MODE_IDX 12
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#define SPA_CTRL_CTX_IDX 16
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#define SPA_CTRL_ENCRYPT_IDX 24
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#define SPA_CTRL_AAD_COPY 25
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#define SPA_CTRL_ICV_PT 26
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#define SPA_CTRL_ICV_ENC 27
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#define SPA_CTRL_ICV_APPEND 28
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#define SPA_CTRL_KEY_EXP 29
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#define SPA_KEY_SZ_CXT_IDX 8
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#define SPA_KEY_SZ_CIPHER_IDX 31
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#define SPA_IRQ_EN_CMD0_EN (1 << 0)
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#define SPA_IRQ_EN_STAT_EN (1 << 4)
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#define SPA_IRQ_EN_GLBL_EN (1 << 31)
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#define SPA_CTRL_CIPH_ALG_NULL 0x00
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#define SPA_CTRL_CIPH_ALG_DES 0x01
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#define SPA_CTRL_CIPH_ALG_AES 0x02
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#define SPA_CTRL_CIPH_ALG_RC4 0x03
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#define SPA_CTRL_CIPH_ALG_MULTI2 0x04
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#define SPA_CTRL_CIPH_ALG_KASUMI 0x05
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#define SPA_CTRL_HASH_ALG_NULL (0x00 << SPA_CTRL_HASH_ALG_IDX)
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#define SPA_CTRL_HASH_ALG_MD5 (0x01 << SPA_CTRL_HASH_ALG_IDX)
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#define SPA_CTRL_HASH_ALG_SHA (0x02 << SPA_CTRL_HASH_ALG_IDX)
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#define SPA_CTRL_HASH_ALG_SHA224 (0x03 << SPA_CTRL_HASH_ALG_IDX)
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#define SPA_CTRL_HASH_ALG_SHA256 (0x04 << SPA_CTRL_HASH_ALG_IDX)
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#define SPA_CTRL_HASH_ALG_SHA384 (0x05 << SPA_CTRL_HASH_ALG_IDX)
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#define SPA_CTRL_HASH_ALG_SHA512 (0x06 << SPA_CTRL_HASH_ALG_IDX)
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#define SPA_CTRL_HASH_ALG_AESMAC (0x07 << SPA_CTRL_HASH_ALG_IDX)
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#define SPA_CTRL_HASH_ALG_AESCMAC (0x08 << SPA_CTRL_HASH_ALG_IDX)
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#define SPA_CTRL_HASH_ALG_KASF9 (0x09 << SPA_CTRL_HASH_ALG_IDX)
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#define SPA_CTRL_CIPH_MODE_NULL (0x00 << SPA_CTRL_CIPH_MODE_IDX)
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#define SPA_CTRL_CIPH_MODE_ECB (0x00 << SPA_CTRL_CIPH_MODE_IDX)
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#define SPA_CTRL_CIPH_MODE_CBC (0x01 << SPA_CTRL_CIPH_MODE_IDX)
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#define SPA_CTRL_CIPH_MODE_CTR (0x02 << SPA_CTRL_CIPH_MODE_IDX)
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#define SPA_CTRL_CIPH_MODE_CCM (0x03 << SPA_CTRL_CIPH_MODE_IDX)
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#define SPA_CTRL_CIPH_MODE_GCM (0x05 << SPA_CTRL_CIPH_MODE_IDX)
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#define SPA_CTRL_CIPH_MODE_OFB (0x07 << SPA_CTRL_CIPH_MODE_IDX)
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#define SPA_CTRL_CIPH_MODE_CFB (0x08 << SPA_CTRL_CIPH_MODE_IDX)
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#define SPA_CTRL_CIPH_MODE_F8 (0x09 << SPA_CTRL_CIPH_MODE_IDX)
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#define SPA_CTRL_HASH_MODE_RAW (0x00 << SPA_CTRL_HASH_MODE_IDX)
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#define SPA_CTRL_HASH_MODE_SSLMAC (0x01 << SPA_CTRL_HASH_MODE_IDX)
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#define SPA_CTRL_HASH_MODE_HMAC (0x02 << SPA_CTRL_HASH_MODE_IDX)
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#define SPA_FIFO_STAT_EMPTY (1 << 31)
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#define SPA_FIFO_CMD_FULL (1 << 7)
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#endif /* __PICOXCELL_CRYPTO_REGS_H__ */
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