arch/arm/include/asm/arch-npcm7xx/aes.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2
   3 #ifndef _NPCM_AES_H_
   4 #define _NPCM_AES_H_
   5
   6 #define AES_OP_ENCRYPT          0
   7 #define AES_OP_DECRYPT          1
   8 #define SIZE_AES_BLOCK          (AES128_KEY_LENGTH)
   9
  10 struct npcm_aes_regs {
  11         unsigned char reserved_0[0x400];    // 0x000
  12         unsigned int aes_key_0;             // 0x400
  13         unsigned int aes_key_1;             // 0x404
  14         unsigned int aes_key_2;             // 0x408
  15         unsigned int aes_key_3;             // 0x40c
  16         unsigned char reserved_1[0x30];     // 0x410
  17         unsigned int aes_iv_0;              // 0x440
  18         unsigned char reserved_2[0x1c];     // 0x444
  19         unsigned int aes_ctr_0;             // 0x460
  20         unsigned char reserved_3[0x0c];     // 0x464
  21         unsigned int aes_busy;              // 0x470
  22         unsigned char reserved_4[0x04];     // 0x474
  23         unsigned int aes_sk;                // 0x478
  24         unsigned char reserved_5[0x14];     // 0x47c
  25         unsigned int aes_prev_iv_0;         // 0x490
  26         unsigned char reserved_6[0x0c];     // 0x494
  27         unsigned int aes_din_dout;          // 0x4a0
  28         unsigned char reserved_7[0x1c];     // 0x4a4
  29         unsigned int aes_control;           // 0x4c0
  30         unsigned int aes_version;           // 0x4c4
  31         unsigned int aes_hw_flags;          // 0x4c8
  32         unsigned char reserved_8[0x28];     // 0x4cc
  33         unsigned int aes_sw_reset;          // 0x4f4
  34         unsigned char reserved_9[0x08];     // 0x4f8
  35         unsigned int aes_fifo_data;         // 0x500
  36         unsigned char reserved_10[0xfc];    // 0x504
  37         unsigned int aes_fifo_status;       // 0x600
  38 };
  39
  40 #define AES_BUSY_BIT            BIT(0)
  41 #define SW_RESET_BIT            BIT(0)
  42 #define AES_SK_BIT              BIT(0)
  43
  44 #define DIN_FIFO_FULL           BIT(0)
  45 #define DIN_FIFO_EMPTY          BIT(1)
  46 #define DOUT_FIFO_FULL          BIT(2)
  47 #define DOUT_FIFO_EMPTY         BIT(3)
  48 #define DIN_FIFO_OVERFLOW       BIT(4)
  49 #define DOUT_FIFO_UNDERFLOW     BIT(5)
  50
  51 int npcm_aes_select_key(u8 fkeyind);
  52
  53 #endif