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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 2011-02-21 16:43:21 +11:00 committed by Herbert Xu
parent bd1f2996b4
commit ce92136843
4 changed files with 2013 additions and 1 deletions
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17
drivers/crypto/Kconfig
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@ -252,4 +252,21 @@ config CRYPTO_DEV_OMAP_AES
OMAP processors have AES module accelerator. Select this if you
want to use the OMAP module for AES algorithms.
config CRYPTO_DEV_PICOXCELL
tristate "Support for picoXcell IPSEC and Layer2 crypto engines"
depends on ARCH_PICOXCELL
select CRYPTO_AES
select CRYPTO_AUTHENC
select CRYPTO_ALGAPI
select CRYPTO_DES
select CRYPTO_CBC
select CRYPTO_ECB
select CRYPTO_SEQIV
help
This option enables support for the hardware offload engines in the
Picochip picoXcell SoC devices. Select this for IPSEC ESP offload
and for 3gpp Layer 2 ciphering support.
Saying m here will build a module named pipcoxcell_crypto.
endif # CRYPTO_HW

2
drivers/crypto/Makefile
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@ -10,4 +10,4 @@ obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o
obj-$(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

1867
drivers/crypto/picoxcell_crypto.c Normal file
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File diff suppressed because it is too large Load Diff

128
drivers/crypto/picoxcell_crypto_regs.h Normal file
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@ -0,0 +1,128 @@
/*
* Copyright (c) 2010 Picochip Ltd., Jamie Iles
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PICOXCELL_CRYPTO_REGS_H__
#define __PICOXCELL_CRYPTO_REGS_H__
#define SPA_STATUS_OK 0
#define SPA_STATUS_ICV_FAIL 1
#define SPA_STATUS_MEMORY_ERROR 2
#define SPA_STATUS_BLOCK_ERROR 3
#define SPA_IRQ_CTRL_STAT_CNT_OFFSET 16
#define SPA_IRQ_STAT_STAT_MASK (1 << 4)
#define SPA_FIFO_STAT_STAT_OFFSET 16
#define SPA_FIFO_STAT_STAT_CNT_MASK (0x3F << SPA_FIFO_STAT_STAT_OFFSET)
#define SPA_STATUS_RES_CODE_OFFSET 24
#define SPA_STATUS_RES_CODE_MASK (0x3 << SPA_STATUS_RES_CODE_OFFSET)
#define SPA_KEY_SZ_CTX_INDEX_OFFSET 8
#define SPA_KEY_SZ_CIPHER_OFFSET 31
#define SPA_IRQ_EN_REG_OFFSET 0x00000000
#define SPA_IRQ_STAT_REG_OFFSET 0x00000004
#define SPA_IRQ_CTRL_REG_OFFSET 0x00000008
#define SPA_FIFO_STAT_REG_OFFSET 0x0000000C
#define SPA_SDMA_BRST_SZ_REG_OFFSET 0x00000010
#define SPA_SRC_PTR_REG_OFFSET 0x00000020
#define SPA_DST_PTR_REG_OFFSET 0x00000024
#define SPA_OFFSET_REG_OFFSET 0x00000028
#define SPA_AAD_LEN_REG_OFFSET 0x0000002C
#define SPA_PROC_LEN_REG_OFFSET 0x00000030
#define SPA_ICV_LEN_REG_OFFSET 0x00000034
#define SPA_ICV_OFFSET_REG_OFFSET 0x00000038
#define SPA_SW_CTRL_REG_OFFSET 0x0000003C
#define SPA_CTRL_REG_OFFSET 0x00000040
#define SPA_AUX_INFO_REG_OFFSET 0x0000004C
#define SPA_STAT_POP_REG_OFFSET 0x00000050
#define SPA_STATUS_REG_OFFSET 0x00000054
#define SPA_KEY_SZ_REG_OFFSET 0x00000100
#define SPA_CIPH_KEY_BASE_REG_OFFSET 0x00004000
#define SPA_HASH_KEY_BASE_REG_OFFSET 0x00008000
#define SPA_RC4_CTX_BASE_REG_OFFSET 0x00020000
#define SPA_IRQ_EN_REG_RESET 0x00000000
#define SPA_IRQ_CTRL_REG_RESET 0x00000000
#define SPA_FIFO_STAT_REG_RESET 0x00000000
#define SPA_SDMA_BRST_SZ_REG_RESET 0x00000000
#define SPA_SRC_PTR_REG_RESET 0x00000000
#define SPA_DST_PTR_REG_RESET 0x00000000
#define SPA_OFFSET_REG_RESET 0x00000000
#define SPA_AAD_LEN_REG_RESET 0x00000000
#define SPA_PROC_LEN_REG_RESET 0x00000000
#define SPA_ICV_LEN_REG_RESET 0x00000000
#define SPA_ICV_OFFSET_REG_RESET 0x00000000
#define SPA_SW_CTRL_REG_RESET 0x00000000
#define SPA_CTRL_REG_RESET 0x00000000
#define SPA_AUX_INFO_REG_RESET 0x00000000
#define SPA_STAT_POP_REG_RESET 0x00000000
#define SPA_STATUS_REG_RESET 0x00000000
#define SPA_KEY_SZ_REG_RESET 0x00000000
#define SPA_CTRL_HASH_ALG_IDX 4
#define SPA_CTRL_CIPH_MODE_IDX 8
#define SPA_CTRL_HASH_MODE_IDX 12
#define SPA_CTRL_CTX_IDX 16
#define SPA_CTRL_ENCRYPT_IDX 24
#define SPA_CTRL_AAD_COPY 25
#define SPA_CTRL_ICV_PT 26
#define SPA_CTRL_ICV_ENC 27
#define SPA_CTRL_ICV_APPEND 28
#define SPA_CTRL_KEY_EXP 29
#define SPA_KEY_SZ_CXT_IDX 8
#define SPA_KEY_SZ_CIPHER_IDX 31
#define SPA_IRQ_EN_CMD0_EN (1 << 0)
#define SPA_IRQ_EN_STAT_EN (1 << 4)
#define SPA_IRQ_EN_GLBL_EN (1 << 31)
#define SPA_CTRL_CIPH_ALG_NULL 0x00
#define SPA_CTRL_CIPH_ALG_DES 0x01
#define SPA_CTRL_CIPH_ALG_AES 0x02
#define SPA_CTRL_CIPH_ALG_RC4 0x03
#define SPA_CTRL_CIPH_ALG_MULTI2 0x04
#define SPA_CTRL_CIPH_ALG_KASUMI 0x05
#define SPA_CTRL_HASH_ALG_NULL (0x00 << SPA_CTRL_HASH_ALG_IDX)
#define SPA_CTRL_HASH_ALG_MD5 (0x01 << SPA_CTRL_HASH_ALG_IDX)
#define SPA_CTRL_HASH_ALG_SHA (0x02 << SPA_CTRL_HASH_ALG_IDX)
#define SPA_CTRL_HASH_ALG_SHA224 (0x03 << SPA_CTRL_HASH_ALG_IDX)
#define SPA_CTRL_HASH_ALG_SHA256 (0x04 << SPA_CTRL_HASH_ALG_IDX)
#define SPA_CTRL_HASH_ALG_SHA384 (0x05 << SPA_CTRL_HASH_ALG_IDX)
#define SPA_CTRL_HASH_ALG_SHA512 (0x06 << SPA_CTRL_HASH_ALG_IDX)
#define SPA_CTRL_HASH_ALG_AESMAC (0x07 << SPA_CTRL_HASH_ALG_IDX)
#define SPA_CTRL_HASH_ALG_AESCMAC (0x08 << SPA_CTRL_HASH_ALG_IDX)
#define SPA_CTRL_HASH_ALG_KASF9 (0x09 << SPA_CTRL_HASH_ALG_IDX)
#define SPA_CTRL_CIPH_MODE_NULL (0x00 << SPA_CTRL_CIPH_MODE_IDX)
#define SPA_CTRL_CIPH_MODE_ECB (0x00 << SPA_CTRL_CIPH_MODE_IDX)
#define SPA_CTRL_CIPH_MODE_CBC (0x01 << SPA_CTRL_CIPH_MODE_IDX)
#define SPA_CTRL_CIPH_MODE_CTR (0x02 << SPA_CTRL_CIPH_MODE_IDX)
#define SPA_CTRL_CIPH_MODE_CCM (0x03 << SPA_CTRL_CIPH_MODE_IDX)
#define SPA_CTRL_CIPH_MODE_GCM (0x05 << SPA_CTRL_CIPH_MODE_IDX)
#define SPA_CTRL_CIPH_MODE_OFB (0x07 << SPA_CTRL_CIPH_MODE_IDX)
#define SPA_CTRL_CIPH_MODE_CFB (0x08 << SPA_CTRL_CIPH_MODE_IDX)
#define SPA_CTRL_CIPH_MODE_F8 (0x09 << SPA_CTRL_CIPH_MODE_IDX)
#define SPA_CTRL_HASH_MODE_RAW (0x00 << SPA_CTRL_HASH_MODE_IDX)
#define SPA_CTRL_HASH_MODE_SSLMAC (0x01 << SPA_CTRL_HASH_MODE_IDX)
#define SPA_CTRL_HASH_MODE_HMAC (0x02 << SPA_CTRL_HASH_MODE_IDX)
#define SPA_FIFO_STAT_EMPTY (1 << 31)
#define SPA_FIFO_CMD_FULL (1 << 7)
#endif /* __PICOXCELL_CRYPTO_REGS_H__ */