drivers/crypto/talitos.h

   1 /*
   2  * Freescale SEC (talitos) device register and descriptor header defines
   3  *
   4  * Copyright (c) 2006-2008 Freescale Semiconductor, Inc.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. The name of the author may not be used to endorse or promote products
  16  *    derived from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  *
  29  */
  30
  31 /*
  32  * TALITOS_xxx_LO addresses point to the low data bits (32-63) of the register
  33  */
  34
  35 /* global register offset addresses */
  36 #define TALITOS_MCR                     0x1030  /* master control register */
  37 #define TALITOS_MCR_LO                  0x1038
  38 #define   TALITOS_MCR_SWR               0x1     /* s/w reset */
  39 #define TALITOS_IMR                     0x1008  /* interrupt mask register */
  40 #define   TALITOS_IMR_INIT              0x100ff /* enable channel IRQs */
  41 #define   TALITOS_IMR_DONE              0x00055 /* done IRQs */
  42 #define TALITOS_IMR_LO                  0x100C
  43 #define   TALITOS_IMR_LO_INIT           0x20000 /* allow RNGU error IRQs */
  44 #define TALITOS_ISR                     0x1010  /* interrupt status register */
  45 #define   TALITOS_ISR_CHERR             0xaa    /* channel errors mask */
  46 #define   TALITOS_ISR_CHDONE            0x55    /* channel done mask */
  47 #define TALITOS_ISR_LO                  0x1014
  48 #define TALITOS_ICR                     0x1018  /* interrupt clear register */
  49 #define TALITOS_ICR_LO                  0x101C
  50
  51 /* channel register address stride */
  52 #define TALITOS_CH_STRIDE               0x100
  53
  54 /* channel configuration register  */
  55 #define TALITOS_CCCR(ch)                (ch * TALITOS_CH_STRIDE + 0x1108)
  56 #define   TALITOS_CCCR_CONT             0x2    /* channel continue */
  57 #define   TALITOS_CCCR_RESET            0x1    /* channel reset */
  58 #define TALITOS_CCCR_LO(ch)             (ch * TALITOS_CH_STRIDE + 0x110c)
  59 #define   TALITOS_CCCR_LO_IWSE          0x80   /* chan. ICCR writeback enab. */
  60 #define   TALITOS_CCCR_LO_EAE           0x20   /* extended address enable */
  61 #define   TALITOS_CCCR_LO_CDWE          0x10   /* chan. done writeback enab. */
  62 #define   TALITOS_CCCR_LO_NT            0x4    /* notification type */
  63 #define   TALITOS_CCCR_LO_CDIE          0x2    /* channel done IRQ enable */
  64
  65 /* CCPSR: channel pointer status register */
  66 #define TALITOS_CCPSR(ch)               (ch * TALITOS_CH_STRIDE + 0x1110)
  67 #define TALITOS_CCPSR_LO(ch)            (ch * TALITOS_CH_STRIDE + 0x1114)
  68 #define   TALITOS_CCPSR_LO_DOF          0x8000 /* double FF write oflow error */
  69 #define   TALITOS_CCPSR_LO_SOF          0x4000 /* single FF write oflow error */
  70 #define   TALITOS_CCPSR_LO_MDTE         0x2000 /* master data transfer error */
  71 #define   TALITOS_CCPSR_LO_SGDLZ        0x1000 /* s/g data len zero error */
  72 #define   TALITOS_CCPSR_LO_FPZ          0x0800 /* fetch ptr zero error */
  73 #define   TALITOS_CCPSR_LO_IDH          0x0400 /* illegal desc hdr error */
  74 #define   TALITOS_CCPSR_LO_IEU          0x0200 /* invalid EU error */
  75 #define   TALITOS_CCPSR_LO_EU           0x0100 /* EU error detected */
  76 #define   TALITOS_CCPSR_LO_GB           0x0080 /* gather boundary error */
  77 #define   TALITOS_CCPSR_LO_GRL          0x0040 /* gather return/length error */
  78 #define   TALITOS_CCPSR_LO_SB           0x0020 /* scatter boundary error */
  79 #define   TALITOS_CCPSR_LO_SRL          0x0010 /* scatter return/length error */
  80
  81 /* channel fetch fifo register */
  82 #define TALITOS_FF(ch)                  (ch * TALITOS_CH_STRIDE + 0x1148)
  83 #define TALITOS_FF_LO(ch)               (ch * TALITOS_CH_STRIDE + 0x114c)
  84
  85 /* current descriptor pointer register */
  86 #define TALITOS_CDPR(ch)                (ch * TALITOS_CH_STRIDE + 0x1140)
  87 #define TALITOS_CDPR_LO(ch)             (ch * TALITOS_CH_STRIDE + 0x1144)
  88
  89 /* descriptor buffer register */
  90 #define TALITOS_DESCBUF(ch)             (ch * TALITOS_CH_STRIDE + 0x1180)
  91 #define TALITOS_DESCBUF_LO(ch)          (ch * TALITOS_CH_STRIDE + 0x1184)
  92
  93 /* gather link table */
  94 #define TALITOS_GATHER(ch)              (ch * TALITOS_CH_STRIDE + 0x11c0)
  95 #define TALITOS_GATHER_LO(ch)           (ch * TALITOS_CH_STRIDE + 0x11c4)
  96
  97 /* scatter link table */
  98 #define TALITOS_SCATTER(ch)             (ch * TALITOS_CH_STRIDE + 0x11e0)
  99 #define TALITOS_SCATTER_LO(ch)          (ch * TALITOS_CH_STRIDE + 0x11e4)
 100
 101 /* execution unit interrupt status registers */
 102 #define TALITOS_DEUISR                  0x2030 /* DES unit */
 103 #define TALITOS_DEUISR_LO               0x2034
 104 #define TALITOS_AESUISR                 0x4030 /* AES unit */
 105 #define TALITOS_AESUISR_LO              0x4034
 106 #define TALITOS_MDEUISR                 0x6030 /* message digest unit */
 107 #define TALITOS_MDEUISR_LO              0x6034
 108 #define TALITOS_MDEUICR                 0x6038 /* interrupt control */
 109 #define TALITOS_MDEUICR_LO              0x603c
 110 #define   TALITOS_MDEUICR_LO_ICE        0x4000 /* integrity check IRQ enable */
 111 #define TALITOS_AFEUISR                 0x8030 /* arc4 unit */
 112 #define TALITOS_AFEUISR_LO              0x8034
 113 #define TALITOS_RNGUISR                 0xa030 /* random number unit */
 114 #define TALITOS_RNGUISR_LO              0xa034
 115 #define TALITOS_RNGUSR                  0xa028 /* rng status */
 116 #define TALITOS_RNGUSR_LO               0xa02c
 117 #define   TALITOS_RNGUSR_LO_RD          0x1     /* reset done */
 118 #define   TALITOS_RNGUSR_LO_OFL         0xff0000/* output FIFO length */
 119 #define TALITOS_RNGUDSR                 0xa010  /* data size */
 120 #define TALITOS_RNGUDSR_LO              0xa014
 121 #define TALITOS_RNGU_FIFO               0xa800  /* output FIFO */
 122 #define TALITOS_RNGU_FIFO_LO            0xa804  /* output FIFO */
 123 #define TALITOS_RNGURCR                 0xa018  /* reset control */
 124 #define TALITOS_RNGURCR_LO              0xa01c
 125 #define   TALITOS_RNGURCR_LO_SR         0x1     /* software reset */
 126 #define TALITOS_PKEUISR                 0xc030 /* public key unit */
 127 #define TALITOS_PKEUISR_LO              0xc034
 128 #define TALITOS_KEUISR                  0xe030 /* kasumi unit */
 129 #define TALITOS_KEUISR_LO               0xe034
 130 #define TALITOS_CRCUISR                 0xf030 /* cyclic redundancy check unit*/
 131 #define TALITOS_CRCUISR_LO              0xf034
 132
 133 /*
 134  * talitos descriptor header (hdr) bits
 135  */
 136
 137 /* written back when done */
 138 #define DESC_HDR_DONE                   cpu_to_be32(0xff000000)
 139 #define DESC_HDR_LO_ICCR1_MASK          cpu_to_be32(0x00180000)
 140 #define DESC_HDR_LO_ICCR1_PASS          cpu_to_be32(0x00080000)
 141 #define DESC_HDR_LO_ICCR1_FAIL          cpu_to_be32(0x00100000)
 142
 143 /* primary execution unit select */
 144 #define DESC_HDR_SEL0_MASK              cpu_to_be32(0xf0000000)
 145 #define DESC_HDR_SEL0_AFEU              cpu_to_be32(0x10000000)
 146 #define DESC_HDR_SEL0_DEU               cpu_to_be32(0x20000000)
 147 #define DESC_HDR_SEL0_MDEUA             cpu_to_be32(0x30000000)
 148 #define DESC_HDR_SEL0_MDEUB             cpu_to_be32(0xb0000000)
 149 #define DESC_HDR_SEL0_RNG               cpu_to_be32(0x40000000)
 150 #define DESC_HDR_SEL0_PKEU              cpu_to_be32(0x50000000)
 151 #define DESC_HDR_SEL0_AESU              cpu_to_be32(0x60000000)
 152 #define DESC_HDR_SEL0_KEU               cpu_to_be32(0x70000000)
 153 #define DESC_HDR_SEL0_CRCU              cpu_to_be32(0x80000000)
 154
 155 /* primary execution unit mode (MODE0) and derivatives */
 156 #define DESC_HDR_MODE0_ENCRYPT          cpu_to_be32(0x00100000)
 157 #define DESC_HDR_MODE0_AESU_CBC         cpu_to_be32(0x00200000)
 158 #define DESC_HDR_MODE0_DEU_CBC          cpu_to_be32(0x00400000)
 159 #define DESC_HDR_MODE0_DEU_3DES         cpu_to_be32(0x00200000)
 160 #define DESC_HDR_MODE0_MDEU_INIT        cpu_to_be32(0x01000000)
 161 #define DESC_HDR_MODE0_MDEU_HMAC        cpu_to_be32(0x00800000)
 162 #define DESC_HDR_MODE0_MDEU_PAD         cpu_to_be32(0x00400000)
 163 #define DESC_HDR_MODE0_MDEU_MD5         cpu_to_be32(0x00200000)
 164 #define DESC_HDR_MODE0_MDEU_SHA256      cpu_to_be32(0x00100000)
 165 #define DESC_HDR_MODE0_MDEU_SHA1        cpu_to_be32(0x00000000)
 166 #define DESC_HDR_MODE0_MDEU_MD5_HMAC    (DESC_HDR_MODE0_MDEU_MD5 | \
 167                                          DESC_HDR_MODE0_MDEU_HMAC)
 168 #define DESC_HDR_MODE0_MDEU_SHA256_HMAC (DESC_HDR_MODE0_MDEU_SHA256 | \
 169                                          DESC_HDR_MODE0_MDEU_HMAC)
 170 #define DESC_HDR_MODE0_MDEU_SHA1_HMAC   (DESC_HDR_MODE0_MDEU_SHA1 | \
 171                                          DESC_HDR_MODE0_MDEU_HMAC)
 172
 173 /* secondary execution unit select (SEL1) */
 174 #define DESC_HDR_SEL1_MASK              cpu_to_be32(0x000f0000)
 175 #define DESC_HDR_SEL1_MDEUA             cpu_to_be32(0x00030000)
 176 #define DESC_HDR_SEL1_MDEUB             cpu_to_be32(0x000b0000)
 177 #define DESC_HDR_SEL1_CRCU              cpu_to_be32(0x00080000)
 178
 179 /* secondary execution unit mode (MODE1) and derivatives */
 180 #define DESC_HDR_MODE1_MDEU_CICV        cpu_to_be32(0x00004000)
 181 #define DESC_HDR_MODE1_MDEU_INIT        cpu_to_be32(0x00001000)
 182 #define DESC_HDR_MODE1_MDEU_HMAC        cpu_to_be32(0x00000800)
 183 #define DESC_HDR_MODE1_MDEU_PAD         cpu_to_be32(0x00000400)
 184 #define DESC_HDR_MODE1_MDEU_MD5         cpu_to_be32(0x00000200)
 185 #define DESC_HDR_MODE1_MDEU_SHA256      cpu_to_be32(0x00000100)
 186 #define DESC_HDR_MODE1_MDEU_SHA1        cpu_to_be32(0x00000000)
 187 #define DESC_HDR_MODE1_MDEU_MD5_HMAC    (DESC_HDR_MODE1_MDEU_MD5 | \
 188                                          DESC_HDR_MODE1_MDEU_HMAC)
 189 #define DESC_HDR_MODE1_MDEU_SHA256_HMAC (DESC_HDR_MODE1_MDEU_SHA256 | \
 190                                          DESC_HDR_MODE1_MDEU_HMAC)
 191 #define DESC_HDR_MODE1_MDEU_SHA1_HMAC   (DESC_HDR_MODE1_MDEU_SHA1 | \
 192                                          DESC_HDR_MODE1_MDEU_HMAC)
 193
 194 /* direction of overall data flow (DIR) */
 195 #define DESC_HDR_DIR_INBOUND            cpu_to_be32(0x00000002)
 196
 197 /* request done notification (DN) */
 198 #define DESC_HDR_DONE_NOTIFY            cpu_to_be32(0x00000001)
 199
 200 /* descriptor types */
 201 #define DESC_HDR_TYPE_AESU_CTR_NONSNOOP         cpu_to_be32(0 << 3)
 202 #define DESC_HDR_TYPE_IPSEC_ESP                 cpu_to_be32(1 << 3)
 203 #define DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU   cpu_to_be32(2 << 3)
 204 #define DESC_HDR_TYPE_HMAC_SNOOP_NO_AFEU        cpu_to_be32(4 << 3)
 205
 206 /* link table extent field bits */
 207 #define DESC_PTR_LNKTBL_JUMP                    0x80
 208 #define DESC_PTR_LNKTBL_RETURN                  0x02
 209 #define DESC_PTR_LNKTBL_NEXT                    0x01