package/platform/lantiq/ltq-deu/src/ifxmips_deu_ar9.h

   1 /******************************************************************************
   2 **
   3 ** FILE NAME    : ifxmips_deu_ar9.h
   4 ** PROJECT      : IFX UEIP
   5 ** MODULES      : DEU Module for AR9
   6 **
   7 ** DATE         : September 8, 2009
   8 ** AUTHOR       : Mohammad Firdaus
   9 ** DESCRIPTION  : Data Encryption Unit Driver
  10 ** COPYRIGHT    :       Copyright (c) 2009
  11 **                      Infineon Technologies AG
  12 **                      Am Campeon 1-12, 85579 Neubiberg, Germany
  13 **
  14 **    This program is free software; you can redistribute it and/or modify
  15 **    it under the terms of the GNU General Public License as published by
  16 **    the Free Software Foundation; either version 2 of the License, or
  17 **    (at your option) any later version.
  18 **
  19 ** HISTORY
  20 ** $Date        $Author             $Comment
  21 ** 08,Sept 2009 Mohammad Firdaus    Initial UEIP release
  22 *******************************************************************************/
  23 /*!
  24   \defgroup IFX_DEU IFX_DEU_DRIVERS
  25   \ingroup API
  26   \brief deu driver module
  27 */
  28
  29 /*!
  30   \defgroup IFX_DEU_DEFINITIONS IFX_DEU_DEFINITIONS
  31   \ingroup IFX_DEU
  32   \brief ifx deu definitions
  33 */
  34
  35 /*!
  36   \file         ifxmips_deu_ar9.h
  37   \brief        deu driver header file
  38 */
  39
  40
  41 #ifndef IFXMIPS_DEU_AR9_H
  42 #define IFXMIPS_DEU_AR9_H
  43
  44 /* Project Header Files */
  45 #include <linux/version.h>
  46 #include <linux/module.h>
  47 #include <linux/init.h>
  48 #include <linux/types.h>
  49 #include <linux/errno.h>
  50 #include <linux/crypto.h>
  51 #include <linux/interrupt.h>
  52 #include <linux/delay.h>
  53 #include <asm/byteorder.h>
  54 #include <crypto/algapi.h>
  55 #include <linux/module.h>
  56 #include <linux/mm.h>
  57 #include <asm/scatterlist.h>
  58 #include <linux/skbuff.h>
  59 #include <linux/netdevice.h>
  60 #include "ifxmips_deu.h"
  61
  62
  63 /* SHA CONSTANTS */
  64 #define HASH_CON_VALUE    0x0700002C
  65
  66 #define INPUT_ENDIAN_SWAP(input)    input_swap(input)
  67 #define DEU_ENDIAN_SWAP(input)    endian_swap(input)
  68 #define DELAY_PERIOD    10
  69 #define FIND_DEU_CHIP_VERSION    chip_version()
  70 #define CLC_START IFX_DEU_CLK
  71
  72 #define AES_INIT 0
  73 #define DES_INIT 1
  74 #define ARC4_INIT 2
  75 #define SHA1_INIT 3
  76 #define MD5_INIT 4
  77 #define SHA1_HMAC_INIT 5
  78 #define MD5_HMAC_INIT 6
  79
  80 #define AES_START IFX_AES_CON
  81 #define DES_3DES_START  IFX_DES_CON
  82
  83 #define WAIT_AES_DMA_READY()          \
  84     do {                              \
  85         int i;                        \
  86         volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; \
  87         volatile struct aes_t *aes = (volatile struct aes_t *) AES_START; \
  88         for (i = 0; i < 10; i++)      \
  89             udelay(DELAY_PERIOD);     \
  90         while (dma->controlr.BSY) {}; \
  91         while (aes->controlr.BUS) {}; \
  92     } while (0)
  93
  94 #define WAIT_DES_DMA_READY()          \
  95     do {                              \
  96         int i;                        \
  97         volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; \
  98         volatile struct des_t *des = (struct des_t *) DES_3DES_START; \
  99         for (i = 0; i < 10; i++)      \
 100             udelay(DELAY_PERIOD);     \
 101         while (dma->controlr.BSY) {}; \
 102         while (des->controlr.BUS) {}; \
 103     } while (0)
 104
 105 #define AES_DMA_MISC_CONFIG()        \
 106     do {                             \
 107         volatile struct aes_t *aes = (volatile struct aes_t *) AES_START; \
 108         aes->controlr.KRE = 1;        \
 109         aes->controlr.GO = 1;         \
 110     } while(0)
 111
 112 #define SHA_HASH_INIT                  \
 113     do {                               \
 114         volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; \
 115         hash->controlr.SM = 1;    \
 116         hash->controlr.ALGO = 0;  \
 117         hash->controlr.INIT = 1;  \
 118     } while(0)
 119
 120 /* DEU Common Structures for AR9*/
 121
 122 struct clc_controlr_t {
 123         u32 Res:26;
 124         u32 FSOE:1;
 125         u32 SBWE:1;
 126         u32 EDIS:1;
 127         u32 SPEN:1;
 128         u32 DISS:1;
 129         u32 DISR:1;
 130
 131 };
 132
 133 struct des_t {
 134         struct des_controlr {   //10h
 135                 u32 KRE:1;
 136                 u32 reserved1:5;
 137                 u32 GO:1;
 138                 u32 STP:1;
 139                 u32 Res2:6;
 140                 u32 NDC:1;
 141                 u32 ENDI:1;
 142                 u32 Res3:2;
 143                 u32 F:3;
 144                 u32 O:3;
 145                 u32 BUS:1;
 146                 u32 DAU:1;
 147                 u32 ARS:1;
 148                 u32 SM:1;
 149                 u32 E_D:1;
 150                 u32 M:3;
 151
 152         } controlr;
 153         u32 IHR;                //14h
 154         u32 ILR;                //18h
 155         u32 K1HR;               //1c
 156         u32 K1LR;               //
 157         u32 K2HR;
 158         u32 K2LR;
 159         u32 K3HR;
 160         u32 K3LR;               //30h
 161         u32 IVHR;               //34h
 162         u32 IVLR;               //38
 163         u32 OHR;                //3c
 164         u32 OLR;                //40
 165 };
 166
 167 struct aes_t {
 168         struct aes_controlr {
 169
 170                 u32 KRE:1;
 171                 u32 reserved1:4;
 172                 u32 PNK:1;
 173                 u32 GO:1;
 174                 u32 STP:1;
 175                 u32 reserved2:6;
 176                 u32 NDC:1;
 177                 u32 ENDI:1;
 178                 u32 reserved3:2;
 179                 u32 F:3;        //fbs
 180                 u32 O:3;        //om
 181                 u32 BUS:1;      //bsy
 182                 u32 DAU:1;
 183                 u32 ARS:1;
 184                 u32 SM:1;
 185                 u32 E_D:1;
 186                 u32 KV:1;
 187                 u32 K:2;        //KL
 188
 189         } controlr;
 190         u32 ID3R;               //80h
 191         u32 ID2R;               //84h
 192         u32 ID1R;               //88h
 193         u32 ID0R;               //8Ch
 194         u32 K7R;                //90h
 195         u32 K6R;                //94h
 196         u32 K5R;                //98h
 197         u32 K4R;                //9Ch
 198         u32 K3R;                //A0h
 199         u32 K2R;                //A4h
 200         u32 K1R;                //A8h
 201         u32 K0R;                //ACh
 202         u32 IV3R;               //B0h
 203         u32 IV2R;               //B4h
 204         u32 IV1R;               //B8h
 205         u32 IV0R;               //BCh
 206         u32 OD3R;               //D4h
 207         u32 OD2R;               //D8h
 208         u32 OD1R;               //DCh
 209         u32 OD0R;               //E0h
 210 };
 211
 212 struct arc4_t {
 213         struct arc4_controlr {
 214
 215                 u32 KRE:1;
 216                 u32 KLEN:4;
 217                 u32 KSAE:1;
 218                 u32 GO:1;
 219                 u32 STP:1;
 220                 u32 reserved1:6;
 221                 u32 NDC:1;
 222                 u32 ENDI:1;
 223                 u32 reserved2:8;
 224                 u32 BUS:1;      //bsy
 225                 u32 reserved3:1;
 226                 u32 ARS:1;
 227                 u32 SM:1;
 228                 u32 reserved4:4;
 229
 230         } controlr;
 231         u32 K3R;                //104h
 232         u32 K2R;                //108h
 233         u32 K1R;                //10Ch
 234         u32 K0R;                //110h
 235
 236         u32 IDLEN;              //114h
 237
 238         u32 ID3R;               //118h
 239         u32 ID2R;               //11Ch
 240         u32 ID1R;               //120h
 241         u32 ID0R;               //124h
 242
 243         u32 OD3R;               //128h
 244         u32 OD2R;               //12Ch
 245         u32 OD1R;               //130h
 246         u32 OD0R;               //134h
 247 };
 248
 249 struct deu_hash_t {
 250         struct hash_controlr {
 251                 u32 reserved1:5;
 252                 u32 KHS:1;
 253                 u32 GO:1;
 254                 u32 INIT:1;
 255                 u32 reserved2:6;
 256                 u32 NDC:1;
 257                 u32 ENDI:1;
 258                 u32 reserved3:7;
 259                 u32 DGRY:1;
 260                 u32 BSY:1;
 261                 u32 reserved4:1;
 262                 u32 IRCL:1;
 263                 u32 SM:1;
 264                 u32 KYUE:1;
 265                 u32 HMEN:1;
 266                 u32 SSEN:1;
 267                 u32 ALGO:1;
 268
 269         } controlr;
 270         u32 MR;                 //B4h
 271         u32 D1R;                //B8h
 272         u32 D2R;                //BCh
 273         u32 D3R;                //C0h
 274         u32 D4R;                //C4h
 275         u32 D5R;                //C8h
 276
 277         u32 dummy;              //CCh
 278
 279         u32 KIDX;               //D0h
 280         u32 KEY;                //D4h
 281         u32 DBN;                //D8h
 282 };
 283
 284
 285 struct deu_dma_t {
 286         struct dma_controlr {
 287                 u32 reserved1:22;
 288                 u32 BS:2;
 289                 u32 BSY:1;
 290                 u32 reserved2:1;
 291                 u32 ALGO:2;
 292                 u32 RXCLS:2;
 293                 u32 reserved3:1;
 294                 u32 EN:1;
 295
 296         } controlr;
 297 };
 298
 299 #endif /* IFXMIPS_DEU_AR9_H */