/* $NetBSD: sun8i_crypto.h,v 1.2 2020/06/13 18:57:54 riastradh Exp $ */ /*- * Copyright (c) 2019 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Taylor R. Campbell. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _ARM_SUN8I_CRYPTO_H #define _ARM_SUN8I_CRYPTO_H #include #define SUN8I_CRYPTO_NCHAN 4 /* task_descriptor_queue common control bitmap (32bit), p. 234 */ #define SUN8I_CRYPTO_TDQC_INTR_EN __BIT(31) #define SUN8I_CRYPTO_TDQC_IV_MODE __BIT(16) /* MD5/SHA-1/SHA-2 IV */ #define SUN8I_CRYPTO_TDQC_IV_MODE_CONST 0 /* standard constants */ #define SUN8I_CRYPTO_TDQC_IV_MODE_ARBITRARY 1 /* arbitrary */ #define SUN8I_CRYPTO_TDQC_HMAC_PT_LAST __BIT(15) #define SUN8I_CRYPTO_TDQC_OP_DIR __BIT(8) #define SUN8I_CRYPTO_TDQC_OP_DIR_ENC 0 #define SUN8I_CRYPTO_TDQC_OP_DIR_DEC 1 #define SUN8I_CRYPTO_TDQC_METHOD __BITS(6,0) #define SUN8I_CRYPTO_TDQC_METHOD_AES 0 #define SUN8I_CRYPTO_TDQC_METHOD_DES 1 #define SUN8I_CRYPTO_TDQC_METHOD_3DES 2 #define SUN8I_CRYPTO_TDQC_METHOD_MD5 16 #define SUN8I_CRYPTO_TDQC_METHOD_SHA1 17 #define SUN8I_CRYPTO_TDQC_METHOD_SHA224 18 #define SUN8I_CRYPTO_TDQC_METHOD_SHA256 19 #define SUN8I_CRYPTO_TDQC_METHOD_HMAC_SHA1 22 #define SUN8I_CRYPTO_TDQC_METHOD_HMAC_SHA256 23 #define SUN8I_CRYPTO_TDQC_METHOD_RSA 32 #define SUN8I_CRYPTO_TDQC_METHOD_TRNG 48 #define SUN8I_CRYPTO_TDQC_METHOD_PRNG 49 /* task_descriptor_queue symmetric control (32bit), p. 235 */ #define SUN8I_CRYPTO_TDQS_SKEY_SELECT __BITS(23,20) #define SUN8I_CRYPTO_TDQS_SKEY_SELECT_SS_KEYx 0 #define SUN8I_CRYPTO_TDQS_SKEY_SELECT_SSK 1 #define SUN8I_CRYPTO_TDQS_SKEY_SELECT_HUK 2 #define SUN8I_CRYPTO_TDQS_SKEY_SELECT_RSSK 3 #define SUN8I_CRYPTO_TDQS_SKEY_SELECT_INTERNAL(n) (8 + (n)) #define SUN8I_CRYPTO_TDQS_AES_CTS_LAST __BIT(16) #define SUN8I_CRYPTO_TDQS_OP_MODE __BITS(11,8) #define SUN8I_CRYPTO_TDQS_OP_MODE_ECB 0 #define SUN8I_CRYPTO_TDQS_OP_MODE_CBC 1 #define SUN8I_CRYPTO_TDQS_OP_MODE_CTR 2 #define SUN8I_CRYPTO_TDQS_OP_MODE_CTS 3 #define SUN8I_CRYPTO_TDQS_CTR_WIDTH __BITS(3,2) #define SUN8I_CRYPTO_TDQS_CTR_WIDTH_16 0 #define SUN8I_CRYPTO_TDQS_CTR_WIDTH_32 1 #define SUN8I_CRYPTO_TDQS_CTR_WIDTH_64 2 #define SUN8I_CRYPTO_TDQS_CTR_WIDTH_128 3 #define SUN8I_CRYPTO_TDQS_AES_KEYSIZE __BITS(1,0) #define SUN8I_CRYPTO_TDQS_AES_KEYSIZE_128 0 #define SUN8I_CRYPTO_TDQS_AES_KEYSIZE_192 1 #define SUN8I_CRYPTO_TDQS_AES_KEYSIZE_256 2 /* task_descriptor_queue asymmetric control (32bit), p. 236 */ #define SUN8I_CRYPTO_TDQA_RSA_MODSIZE __BITS(30,28) #define SUN8I_CRYPTO_TDQA_RSA_MODSIZE_512 0 #define SUN8I_CRYPTO_TDQA_RSA_MODSIZE_1024 1 #define SUN8I_CRYPTO_TDQA_RSA_MODSIZE_2048 2 /* Crypto Engine Register List */ /* Module */ #define SUN8I_CRYPTO_NS 0x01c15000 #define SUN8I_CRYPTO_S 0x01c15800 /* Register */ #define SUN8I_CRYPTO_TDQ 0x00 /* Task Descriptor Queue Address */ #define SUN8I_CRYPTO_CTR 0x04 /* Gating Control Register */ #define SUN8I_CRYPTO_ICR 0x08 /* Interrupt Control Register */ #define SUN8I_CRYPTO_ISR 0x0c /* Interrupt Status Register */ #define SUN8I_CRYPTO_TLR 0x10 /* Task Load Register */ #define SUN8I_CRYPTO_TSR 0x14 /* Task Status Register */ #define SUN8I_CRYPTO_ESR 0x18 /* Task Error type Register */ #define SUN8I_CRYPTO_CSAR 0x24 /* Current Source Address Register */ #define SUN8I_CRYPTO_CDAR 0x28 /* Current Destination Address Register */ #define SUN8I_CRYPTO_TPR 0x2c /* Throughput Register */ #define SUN8I_CRYPTO_CTR_RSA_CLK_EN __BIT(3) #define SUN8I_CRYPTO_CTR_DIE_ID __BITS(2,0) #define SUN8I_CRYPTO_ICR_INTR_EN __BITS(3,0) #define SUN8I_CRYPTO_ICR_INTR_EN_CHAN(n) (__BIT(0) << (n)) #define SUN8I_CRYPTO_ISR_DONE __BITS(3,0) #define SUN8I_CRYPTO_ISR_DONE_CHAN(n) (__BIT(0) << (n)) #define SUN8I_CRYPTO_TLR_LOAD __BIT(0) #define SUN8I_CRYPTO_TSR_TASK __BITS(1,0) /* task number, 0-3 */ #define SUN8I_CRYPTO_ESR_CHAN(n) (__BITS(3,0) << (n)) #define SUN8I_CRYPTO_ESR_CHAN_ALGNOTSUP __BIT(0) #define SUN8I_CRYPTO_ESR_CHAN_DATALENERR __BIT(1) #define SUN8I_CRYPTO_ESR_CHAN_KEYSRAMERR __BIT(2) #define SUN8I_CRYPTO_MAXKEYBYTES 256 /* e.g. 2048-bit RSA */ #define SUN8I_CRYPTO_MAXIVBYTES 64 /* e.g. SHA-512 */ #define SUN8I_CRYPTO_MAXCTRBYTES 16 /* e.g. AES */ /* * Eight src segments and eight dst segments per task. The datalen * field, measured either in bytes or words, is 32 bits. Each segment * length is measured in words and is also 32 bits. We never do very * long transfers anyway so rounding the maximum size down to 2^32 - 1 * is not a real limitation. */ #define SUN8I_CRYPTO_MAXSEGS 8 #define SUN8I_CRYPTO_MAXSEGLEN UINT32_MAX #define SUN8I_CRYPTO_MAXDATALEN UINT32_MAX struct sun8i_crypto_taskdesc { uint32_t td_cid; /* task channel id */ uint32_t td_tdqc; /* task descriptor queue common */ uint32_t td_tdqs; /* task descriptor queue symmetric */ uint32_t td_tdqa; /* task descriptor queue asymmetric */ uint32_t td_keydesc; /* key descriptor */ uint32_t td_ivdesc; /* IV descriptor */ uint32_t td_ctrdesc; /* CTR descriptor */ uint32_t td_datalen; /* data length */ struct sun8i_crypto_adrlen { uint32_t adr; uint32_t len; } td_src[SUN8I_CRYPTO_MAXSEGS], td_dst[SUN8I_CRYPTO_MAXSEGS]; uint32_t td_nextdesc; /* next descriptor */ uint32_t td_reserved[3]; } __packed; CTASSERT(sizeof(struct sun8i_crypto_taskdesc) == 44*4); #endif /* _ARM_SUN8I_CRYPTO_H */