From acbb1eb7723726f10e099bd5c05a3e993b1fe9ec Mon Sep 17 00:00:00 2001 From: Akshay Saraswat Date: Wed, 20 Mar 2013 21:00:56 +0000 Subject: Exynos: Add hardware accelerated SHA256 and SHA1 SHA-256 and SHA-1 accelerated using ACE hardware. Signed-off-by: ARUN MANKUZHI Signed-off-by: Akshay Saraswat Acked-by: Simon Glass --- drivers/crypto/ace_sha.h | 325 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 325 insertions(+) create mode 100644 drivers/crypto/ace_sha.h (limited to 'drivers/crypto/ace_sha.h') diff --git a/drivers/crypto/ace_sha.h b/drivers/crypto/ace_sha.h new file mode 100644 index 00000000000..0292a08f6dc --- /dev/null +++ b/drivers/crypto/ace_sha.h @@ -0,0 +1,325 @@ +/* + * Header file for Advanced Crypto Engine - SFR definitions + * + * Copyright (c) 2012 Samsung Electronics + * + * 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 __ACE_SHA_H +#define __ACE_SHA_H + +struct exynos_ace_sfr { + unsigned int fc_intstat; /* base + 0 */ + unsigned int fc_intenset; + unsigned int fc_intenclr; + unsigned int fc_intpend; + unsigned int fc_fifostat; + unsigned int fc_fifoctrl; + unsigned int fc_global; + unsigned int res1; + unsigned int fc_brdmas; + unsigned int fc_brdmal; + unsigned int fc_brdmac; + unsigned int res2; + unsigned int fc_btdmas; + unsigned int fc_btdmal; + unsigned int fc_btdmac; + unsigned int res3; + unsigned int fc_hrdmas; + unsigned int fc_hrdmal; + unsigned int fc_hrdmac; + unsigned int res4; + unsigned int fc_pkdmas; + unsigned int fc_pkdmal; + unsigned int fc_pkdmac; + unsigned int fc_pkdmao; + unsigned char res5[0x1a0]; + + unsigned int aes_control; /* base + 0x200 */ + unsigned int aes_status; + unsigned char res6[0x8]; + unsigned int aes_in[4]; + unsigned int aes_out[4]; + unsigned int aes_iv[4]; + unsigned int aes_cnt[4]; + unsigned char res7[0x30]; + unsigned int aes_key[8]; + unsigned char res8[0x60]; + + unsigned int tdes_control; /* base + 0x300 */ + unsigned int tdes_status; + unsigned char res9[0x8]; + unsigned int tdes_key[6]; + unsigned int tdes_iv[2]; + unsigned int tdes_in[2]; + unsigned int tdes_out[2]; + unsigned char res10[0xc0]; + + unsigned int hash_control; /* base + 0x400 */ + unsigned int hash_control2; + unsigned int hash_fifo_mode; + unsigned int hash_byteswap; + unsigned int hash_status; + unsigned char res11[0xc]; + unsigned int hash_msgsize_low; + unsigned int hash_msgsize_high; + unsigned int hash_prelen_low; + unsigned int hash_prelen_high; + unsigned int hash_in[16]; + unsigned int hash_key_in[16]; + unsigned int hash_iv[8]; + unsigned char res12[0x30]; + unsigned int hash_result[8]; + unsigned char res13[0x20]; + unsigned int hash_seed[8]; + unsigned int hash_prng[8]; + unsigned char res14[0x180]; + + unsigned int pka_sfr[5]; /* base + 0x700 */ +}; + +/* ACE_FC_INT */ +#define ACE_FC_PKDMA (1 << 0) +#define ACE_FC_HRDMA (1 << 1) +#define ACE_FC_BTDMA (1 << 2) +#define ACE_FC_BRDMA (1 << 3) +#define ACE_FC_PRNG_ERROR (1 << 4) +#define ACE_FC_MSG_DONE (1 << 5) +#define ACE_FC_PRNG_DONE (1 << 6) +#define ACE_FC_PARTIAL_DONE (1 << 7) + +/* ACE_FC_FIFOSTAT */ +#define ACE_FC_PKFIFO_EMPTY (1 << 0) +#define ACE_FC_PKFIFO_FULL (1 << 1) +#define ACE_FC_HRFIFO_EMPTY (1 << 2) +#define ACE_FC_HRFIFO_FULL (1 << 3) +#define ACE_FC_BTFIFO_EMPTY (1 << 4) +#define ACE_FC_BTFIFO_FULL (1 << 5) +#define ACE_FC_BRFIFO_EMPTY (1 << 6) +#define ACE_FC_BRFIFO_FULL (1 << 7) + +/* ACE_FC_FIFOCTRL */ +#define ACE_FC_SELHASH_MASK (3 << 0) +#define ACE_FC_SELHASH_EXOUT (0 << 0) /* independent source */ +#define ACE_FC_SELHASH_BCIN (1 << 0) /* blk cipher input */ +#define ACE_FC_SELHASH_BCOUT (2 << 0) /* blk cipher output */ +#define ACE_FC_SELBC_MASK (1 << 2) +#define ACE_FC_SELBC_AES (0 << 2) +#define ACE_FC_SELBC_DES (1 << 2) + +/* ACE_FC_GLOBAL */ +#define ACE_FC_SSS_RESET (1 << 0) +#define ACE_FC_DMA_RESET (1 << 1) +#define ACE_FC_AES_RESET (1 << 2) +#define ACE_FC_DES_RESET (1 << 3) +#define ACE_FC_HASH_RESET (1 << 4) +#define ACE_FC_AXI_ENDIAN_MASK (3 << 6) +#define ACE_FC_AXI_ENDIAN_LE (0 << 6) +#define ACE_FC_AXI_ENDIAN_BIBE (1 << 6) +#define ACE_FC_AXI_ENDIAN_WIBE (2 << 6) + +/* Feed control - BRDMA control */ +#define ACE_FC_BRDMACFLUSH_OFF (0 << 0) +#define ACE_FC_BRDMACFLUSH_ON (1 << 0) +#define ACE_FC_BRDMACSWAP_ON (1 << 1) +#define ACE_FC_BRDMACARPROT_MASK (0x7 << 2) +#define ACE_FC_BRDMACARPROT_OFS 2 +#define ACE_FC_BRDMACARCACHE_MASK (0xf << 5) +#define ACE_FC_BRDMACARCACHE_OFS 5 + +/* Feed control - BTDMA control */ +#define ACE_FC_BTDMACFLUSH_OFF (0 << 0) +#define ACE_FC_BTDMACFLUSH_ON (1 << 0) +#define ACE_FC_BTDMACSWAP_ON (1 << 1) +#define ACE_FC_BTDMACAWPROT_MASK (0x7 << 2) +#define ACE_FC_BTDMACAWPROT_OFS 2 +#define ACE_FC_BTDMACAWCACHE_MASK (0xf << 5) +#define ACE_FC_BTDMACAWCACHE_OFS 5 + +/* Feed control - HRDMA control */ +#define ACE_FC_HRDMACFLUSH_OFF (0 << 0) +#define ACE_FC_HRDMACFLUSH_ON (1 << 0) +#define ACE_FC_HRDMACSWAP_ON (1 << 1) +#define ACE_FC_HRDMACARPROT_MASK (0x7 << 2) +#define ACE_FC_HRDMACARPROT_OFS 2 +#define ACE_FC_HRDMACARCACHE_MASK (0xf << 5) +#define ACE_FC_HRDMACARCACHE_OFS 5 + +/* Feed control - PKDMA control */ +#define ACE_FC_PKDMACBYTESWAP_ON (1 << 3) +#define ACE_FC_PKDMACDESEND_ON (1 << 2) +#define ACE_FC_PKDMACTRANSMIT_ON (1 << 1) +#define ACE_FC_PKDMACFLUSH_ON (1 << 0) + +/* Feed control - PKDMA offset */ +#define ACE_FC_SRAMOFFSET_MASK 0xfff + +/* AES control */ +#define ACE_AES_MODE_MASK (1 << 0) +#define ACE_AES_MODE_ENC (0 << 0) +#define ACE_AES_MODE_DEC (1 << 0) +#define ACE_AES_OPERMODE_MASK (3 << 1) +#define ACE_AES_OPERMODE_ECB (0 << 1) +#define ACE_AES_OPERMODE_CBC (1 << 1) +#define ACE_AES_OPERMODE_CTR (2 << 1) +#define ACE_AES_FIFO_MASK (1 << 3) +#define ACE_AES_FIFO_OFF (0 << 3) /* CPU mode */ +#define ACE_AES_FIFO_ON (1 << 3) /* FIFO mode */ +#define ACE_AES_KEYSIZE_MASK (3 << 4) +#define ACE_AES_KEYSIZE_128 (0 << 4) +#define ACE_AES_KEYSIZE_192 (1 << 4) +#define ACE_AES_KEYSIZE_256 (2 << 4) +#define ACE_AES_KEYCNGMODE_MASK (1 << 6) +#define ACE_AES_KEYCNGMODE_OFF (0 << 6) +#define ACE_AES_KEYCNGMODE_ON (1 << 6) +#define ACE_AES_SWAP_MASK (0x1f << 7) +#define ACE_AES_SWAPKEY_OFF (0 << 7) +#define ACE_AES_SWAPKEY_ON (1 << 7) +#define ACE_AES_SWAPCNT_OFF (0 << 8) +#define ACE_AES_SWAPCNT_ON (1 << 8) +#define ACE_AES_SWAPIV_OFF (0 << 9) +#define ACE_AES_SWAPIV_ON (1 << 9) +#define ACE_AES_SWAPDO_OFF (0 << 10) +#define ACE_AES_SWAPDO_ON (1 << 10) +#define ACE_AES_SWAPDI_OFF (0 << 11) +#define ACE_AES_SWAPDI_ON (1 << 11) +#define ACE_AES_COUNTERSIZE_MASK (3 << 12) +#define ACE_AES_COUNTERSIZE_128 (0 << 12) +#define ACE_AES_COUNTERSIZE_64 (1 << 12) +#define ACE_AES_COUNTERSIZE_32 (2 << 12) +#define ACE_AES_COUNTERSIZE_16 (3 << 12) + +/* AES status */ +#define ACE_AES_OUTRDY_MASK (1 << 0) +#define ACE_AES_OUTRDY_OFF (0 << 0) +#define ACE_AES_OUTRDY_ON (1 << 0) +#define ACE_AES_INRDY_MASK (1 << 1) +#define ACE_AES_INRDY_OFF (0 << 1) +#define ACE_AES_INRDY_ON (1 << 1) +#define ACE_AES_BUSY_MASK (1 << 2) +#define ACE_AES_BUSY_OFF (0 << 2) +#define ACE_AES_BUSY_ON (1 << 2) + +/* TDES control */ +#define ACE_TDES_MODE_MASK (1 << 0) +#define ACE_TDES_MODE_ENC (0 << 0) +#define ACE_TDES_MODE_DEC (1 << 0) +#define ACE_TDES_OPERMODE_MASK (1 << 1) +#define ACE_TDES_OPERMODE_ECB (0 << 1) +#define ACE_TDES_OPERMODE_CBC (1 << 1) +#define ACE_TDES_SEL_MASK (3 << 3) +#define ACE_TDES_SEL_DES (0 << 3) +#define ACE_TDES_SEL_TDESEDE (1 << 3) /* TDES EDE mode */ +#define ACE_TDES_SEL_TDESEEE (3 << 3) /* TDES EEE mode */ +#define ACE_TDES_FIFO_MASK (1 << 5) +#define ACE_TDES_FIFO_OFF (0 << 5) /* CPU mode */ +#define ACE_TDES_FIFO_ON (1 << 5) /* FIFO mode */ +#define ACE_TDES_SWAP_MASK (0xf << 6) +#define ACE_TDES_SWAPKEY_OFF (0 << 6) +#define ACE_TDES_SWAPKEY_ON (1 << 6) +#define ACE_TDES_SWAPIV_OFF (0 << 7) +#define ACE_TDES_SWAPIV_ON (1 << 7) +#define ACE_TDES_SWAPDO_OFF (0 << 8) +#define ACE_TDES_SWAPDO_ON (1 << 8) +#define ACE_TDES_SWAPDI_OFF (0 << 9) +#define ACE_TDES_SWAPDI_ON (1 << 9) + +/* TDES status */ +#define ACE_TDES_OUTRDY_MASK (1 << 0) +#define ACE_TDES_OUTRDY_OFF (0 << 0) +#define ACE_TDES_OUTRDY_ON (1 << 0) +#define ACE_TDES_INRDY_MASK (1 << 1) +#define ACE_TDES_INRDY_OFF (0 << 1) +#define ACE_TDES_INRDY_ON (1 << 1) +#define ACE_TDES_BUSY_MASK (1 << 2) +#define ACE_TDES_BUSY_OFF (0 << 2) +#define ACE_TDES_BUSY_ON (1 << 2) + +/* Hash control */ +#define ACE_HASH_ENGSEL_MASK (0xf << 0) +#define ACE_HASH_ENGSEL_SHA1HASH (0x0 << 0) +#define ACE_HASH_ENGSEL_SHA1HMAC (0x1 << 0) +#define ACE_HASH_ENGSEL_SHA1HMACIN (0x1 << 0) +#define ACE_HASH_ENGSEL_SHA1HMACOUT (0x9 << 0) +#define ACE_HASH_ENGSEL_MD5HASH (0x2 << 0) +#define ACE_HASH_ENGSEL_MD5HMAC (0x3 << 0) +#define ACE_HASH_ENGSEL_MD5HMACIN (0x3 << 0) +#define ACE_HASH_ENGSEL_MD5HMACOUT (0xb << 0) +#define ACE_HASH_ENGSEL_SHA256HASH (0x4 << 0) +#define ACE_HASH_ENGSEL_SHA256HMAC (0x5 << 0) +#define ACE_HASH_ENGSEL_PRNG (0x8 << 0) +#define ACE_HASH_STARTBIT_ON (1 << 4) +#define ACE_HASH_USERIV_EN (1 << 5) +#define ACE_HASH_PAUSE_ON (1 << 0) + +/* Hash control - FIFO mode */ +#define ACE_HASH_FIFO_MASK (1 << 0) +#define ACE_HASH_FIFO_OFF (0 << 0) +#define ACE_HASH_FIFO_ON (1 << 0) + +/* Hash control - byte swap */ +#define ACE_HASH_SWAP_MASK (0xf << 0) +#define ACE_HASH_SWAPKEY_OFF (0 << 0) +#define ACE_HASH_SWAPKEY_ON (1 << 0) +#define ACE_HASH_SWAPIV_OFF (0 << 1) +#define ACE_HASH_SWAPIV_ON (1 << 1) +#define ACE_HASH_SWAPDO_OFF (0 << 2) +#define ACE_HASH_SWAPDO_ON (1 << 2) +#define ACE_HASH_SWAPDI_OFF (0 << 3) +#define ACE_HASH_SWAPDI_ON (1 << 3) + +/* Hash status */ +#define ACE_HASH_BUFRDY_MASK (1 << 0) +#define ACE_HASH_BUFRDY_OFF (0 << 0) +#define ACE_HASH_BUFRDY_ON (1 << 0) +#define ACE_HASH_SEEDSETTING_MASK (1 << 1) +#define ACE_HASH_SEEDSETTING_OFF (0 << 1) +#define ACE_HASH_SEEDSETTING_ON (1 << 1) +#define ACE_HASH_PRNGBUSY_MASK (1 << 2) +#define ACE_HASH_PRNGBUSY_OFF (0 << 2) +#define ACE_HASH_PRNGBUSY_ON (1 << 2) +#define ACE_HASH_PARTIALDONE_MASK (1 << 4) +#define ACE_HASH_PARTIALDONE_OFF (0 << 4) +#define ACE_HASH_PARTIALDONE_ON (1 << 4) +#define ACE_HASH_PRNGDONE_MASK (1 << 5) +#define ACE_HASH_PRNGDONE_OFF (0 << 5) +#define ACE_HASH_PRNGDONE_ON (1 << 5) +#define ACE_HASH_MSGDONE_MASK (1 << 6) +#define ACE_HASH_MSGDONE_OFF (0 << 6) +#define ACE_HASH_MSGDONE_ON (1 << 6) +#define ACE_HASH_PRNGERROR_MASK (1 << 7) +#define ACE_HASH_PRNGERROR_OFF (0 << 7) +#define ACE_HASH_PRNGERROR_ON (1 << 7) + +#define ACE_SHA_TYPE_SHA1 1 +#define ACE_SHA_TYPE_SHA256 2 + +/** + * Computes hash value of input pbuf using ACE + * + * @param in_addr A pointer to the input buffer + * @param bufleni Byte length of input buffer + * @param out_addr A pointer to the output buffer. When complete + * 32 bytes are copied to pout[0]...pout[31]. Thus, a user + * should allocate at least 32 bytes at pOut in advance. + * @param hash_type SHA1 or SHA256 + * + * @return 0 on Success, -1 on Failure (Timeout) + */ +int ace_sha_hash_digest(const uchar * in_addr, uint buflen, + uchar * out_addr, uint hash_type); +#endif -- cgit v1.2.3