| 1 | /* |
| 2 | * Copyright (C) 2006 Micronas USA |
| 3 | * |
| 4 | * 1. Redistributions of source code must retain the above copyright |
| 5 | * notice, this list of conditions and the following disclaimer. |
| 6 | * 2. Redistributions in binary form must reproduce the above copyright |
| 7 | * notice, this list of conditions and the following disclaimer in the |
| 8 | * documentation and/or other materials provided with the distribution. |
| 9 | * 3. The name of the author may not be used to endorse or promote products |
| 10 | * derived from this software without specific prior written permission. |
| 11 | * |
| 12 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 13 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 14 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 15 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 16 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 17 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 18 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 19 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 20 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 21 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 22 | * |
| 23 | * Effort sponsored in part by the Defense Advanced Research Projects |
| 24 | * Agency (DARPA) and Air Force Research Laboratory, Air Force |
| 25 | * Materiel Command, USAF, under agreement number F30602-01-2-0537. |
| 26 | * |
| 27 | */ |
| 28 | |
| 29 | #ifndef __AES_7108_H__ |
| 30 | #define __AES_7108_H__ |
| 31 | |
| 32 | /* Cypher 7108 AES Controller Hardware */ |
| 33 | #define CCU_REG_BASE 0x1b500000 |
| 34 | #define CCU_AES_REG_BASE (CCU_REG_BASE + 0x100) |
| 35 | #define C7108_AES_KEY0_LO (0x0000) |
| 36 | #define C7108_AES_KEY0_HI (0x0004) |
| 37 | #define C7108_AES_KEY1_LO (0x0008) |
| 38 | #define C7108_AES_KEY1_HI (0x000c) |
| 39 | #define C7108_AES_KEY2_LO (0x0010) |
| 40 | #define C7108_AES_KEY2_HI (0x0014) |
| 41 | #define C7108_AES_KEY3_LO (0x0018) |
| 42 | #define C7108_AES_KEY3_HI (0x001c) |
| 43 | #define C7108_AES_KEY4_LO (0x0020) |
| 44 | #define C7108_AES_KEY4_HI (0x0024) |
| 45 | #define C7108_AES_KEY5_LO (0x0028) |
| 46 | #define C7108_AES_KEY5_HI (0x002c) |
| 47 | #define C7108_AES_KEY6_LO (0x0030) |
| 48 | #define C7108_AES_KEY6_HI (0x0034) |
| 49 | #define C7108_AES_KEY7_LO (0x0038) |
| 50 | #define C7108_AES_KEY7_HI (0x003c) |
| 51 | #define C7108_AES_IV0_LO (0x0040) |
| 52 | #define C7108_AES_IV0_HI (0x0044) |
| 53 | #define C7108_AES_IV1_LO (0x0048) |
| 54 | #define C7108_AES_IV1_HI (0x004c) |
| 55 | #define C7108_AES_IV2_LO (0x0050) |
| 56 | #define C7108_AES_IV2_HI (0x0054) |
| 57 | #define C7108_AES_IV3_LO (0x0058) |
| 58 | #define C7108_AES_IV3_HI (0x005c) |
| 59 | |
| 60 | #define C7108_AES_DMA_SRC0_LO (0x0068) /* Bits 0:15 */ |
| 61 | #define C7108_AES_DMA_SRC0_HI (0x006c) /* Bits 27:16 */ |
| 62 | #define C7108_AES_DMA_DST0_LO (0x0070) /* Bits 0:15 */ |
| 63 | #define C7108_AES_DMA_DST0_HI (0x0074) /* Bits 27:16 */ |
| 64 | #define C7108_AES_DMA_LEN (0x0078) /*Bytes:(Count+1)x16 */ |
| 65 | |
| 66 | /* AES/Copy engine control register */ |
| 67 | #define C7108_AES_CTRL (0x007c) /* AES control */ |
| 68 | #define C7108_AES_CTRL_RS (1<<0) /* Which set of src/dst to use */ |
| 69 | |
| 70 | /* AES Cipher mode, controlled by setting Bits 2:0 */ |
| 71 | #define C7108_AES_CTRL_MODE_CBC 0 |
| 72 | #define C7108_AES_CTRL_MODE_CFB (1<<0) |
| 73 | #define C7108_AES_CTRL_MODE_OFB (1<<1) |
| 74 | #define C7108_AES_CTRL_MODE_CTR ((1<<0)|(1<<1)) |
| 75 | #define C7108_AES_CTRL_MODE_ECB (1<<2) |
| 76 | |
| 77 | /* AES Key length , Bits 5:4 */ |
| 78 | #define C7108_AES_KEY_LEN_128 0 /* 00 */ |
| 79 | #define C7108_AES_KEY_LEN_192 (1<<4) /* 01 */ |
| 80 | #define C7108_AES_KEY_LEN_256 (1<<5) /* 10 */ |
| 81 | |
| 82 | /* AES Operation (crypt/decrypt), Bit 3 */ |
| 83 | #define C7108_AES_DECRYPT (1<<3) /* Clear for encrypt */ |
| 84 | #define C7108_AES_ENCRYPT 0 |
| 85 | #define C7108_AES_INTR (1<<13) /* Set on done trans from 0->1*/ |
| 86 | #define C7108_AES_GO (1<<14) /* Run */ |
| 87 | #define C7108_AES_OP_DONE (1<<15) /* Set when complete */ |
| 88 | |
| 89 | |
| 90 | /* Expanded key registers */ |
| 91 | #define C7108_AES_EKEY0_LO (0x0080) |
| 92 | #define C7108_AES_EKEY0_HI (0x0084) |
| 93 | #define C7108_AES_EKEY1_LO (0x0088) |
| 94 | #define C7108_AES_EKEY1_HI (0x008c) |
| 95 | #define C7108_AES_EKEY2_LO (0x0090) |
| 96 | #define C7108_AES_EKEY2_HI (0x0094) |
| 97 | #define C7108_AES_EKEY3_LO (0x0098) |
| 98 | #define C7108_AES_EKEY3_HI (0x009c) |
| 99 | #define C7108_AES_EKEY4_LO (0x00a0) |
| 100 | #define C7108_AES_EKEY4_HI (0x00a4) |
| 101 | #define C7108_AES_EKEY5_LO (0x00a8) |
| 102 | #define C7108_AES_EKEY5_HI (0x00ac) |
| 103 | #define C7108_AES_EKEY6_LO (0x00b0) |
| 104 | #define C7108_AES_EKEY6_HI (0x00b4) |
| 105 | #define C7108_AES_EKEY7_LO (0x00b8) |
| 106 | #define C7108_AES_EKEY7_HI (0x00bc) |
| 107 | #define C7108_AES_OK (0x00fc) /* Reset: "OK" */ |
| 108 | |
| 109 | #define offset_in_page(p) ((unsigned long)(p) & ~PAGE_MASK) |
| 110 | |
| 111 | /* Software session entry */ |
| 112 | |
| 113 | #define HW_TYPE_CIPHER 0 |
| 114 | #define SW_TYPE_HMAC 1 |
| 115 | #define SW_TYPE_AUTH2 2 |
| 116 | #define SW_TYPE_HASH 3 |
| 117 | #define SW_TYPE_COMP 4 |
| 118 | |
| 119 | struct cipher_7108 { |
| 120 | int xfm_type; |
| 121 | int cri_alg; |
| 122 | union { |
| 123 | struct { |
| 124 | char sw_key[HMAC_BLOCK_LEN]; |
| 125 | int sw_klen; |
| 126 | int sw_authlen; |
| 127 | } hmac; |
| 128 | } u; |
| 129 | struct cipher_7108 *next; |
| 130 | }; |
| 131 | |
| 132 | |
| 133 | |
| 134 | #endif /* __C7108_AES_7108_H__ */ |
| 135 | |
