1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __MV_CRYPTO_H__ 3 #define __MV_CRYPTO_H__ 4 5 #define DIGEST_INITIAL_VAL_A 0xdd00 6 #define DIGEST_INITIAL_VAL_B 0xdd04 7 #define DIGEST_INITIAL_VAL_C 0xdd08 8 #define DIGEST_INITIAL_VAL_D 0xdd0c 9 #define DIGEST_INITIAL_VAL_E 0xdd10 10 #define DES_CMD_REG 0xdd58 11 12 #define SEC_ACCEL_CMD 0xde00 13 #define SEC_CMD_EN_SEC_ACCL0 (1 << 0) 14 #define SEC_CMD_EN_SEC_ACCL1 (1 << 1) 15 #define SEC_CMD_DISABLE_SEC (1 << 2) 16 17 #define SEC_ACCEL_DESC_P0 0xde04 18 #define SEC_DESC_P0_PTR(x) (x) 19 20 #define SEC_ACCEL_DESC_P1 0xde14 21 #define SEC_DESC_P1_PTR(x) (x) 22 23 #define SEC_ACCEL_CFG 0xde08 24 #define SEC_CFG_STOP_DIG_ERR (1 << 0) 25 #define SEC_CFG_CH0_W_IDMA (1 << 7) 26 #define SEC_CFG_CH1_W_IDMA (1 << 8) 27 #define SEC_CFG_ACT_CH0_IDMA (1 << 9) 28 #define SEC_CFG_ACT_CH1_IDMA (1 << 10) 29 30 #define SEC_ACCEL_STATUS 0xde0c 31 #define SEC_ST_ACT_0 (1 << 0) 32 #define SEC_ST_ACT_1 (1 << 1) 33 34 /* 35 * FPGA_INT_STATUS looks like a FPGA leftover and is documented only in Errata 36 * 4.12. It looks like that it was part of an IRQ-controller in FPGA and 37 * someone forgot to remove it while switching to the core and moving to 38 * SEC_ACCEL_INT_STATUS. 39 */ 40 #define FPGA_INT_STATUS 0xdd68 41 #define SEC_ACCEL_INT_STATUS 0xde20 42 #define SEC_INT_AUTH_DONE (1 << 0) 43 #define SEC_INT_DES_E_DONE (1 << 1) 44 #define SEC_INT_AES_E_DONE (1 << 2) 45 #define SEC_INT_AES_D_DONE (1 << 3) 46 #define SEC_INT_ENC_DONE (1 << 4) 47 #define SEC_INT_ACCEL0_DONE (1 << 5) 48 #define SEC_INT_ACCEL1_DONE (1 << 6) 49 #define SEC_INT_ACC0_IDMA_DONE (1 << 7) 50 #define SEC_INT_ACC1_IDMA_DONE (1 << 8) 51 52 #define SEC_ACCEL_INT_MASK 0xde24 53 54 #define AES_KEY_LEN (8 * 4) 55 56 struct sec_accel_config { 57 58 u32 config; 59 #define CFG_OP_MAC_ONLY 0 60 #define CFG_OP_CRYPT_ONLY 1 61 #define CFG_OP_MAC_CRYPT 2 62 #define CFG_OP_CRYPT_MAC 3 63 #define CFG_MACM_MD5 (4 << 4) 64 #define CFG_MACM_SHA1 (5 << 4) 65 #define CFG_MACM_HMAC_MD5 (6 << 4) 66 #define CFG_MACM_HMAC_SHA1 (7 << 4) 67 #define CFG_ENCM_DES (1 << 8) 68 #define CFG_ENCM_3DES (2 << 8) 69 #define CFG_ENCM_AES (3 << 8) 70 #define CFG_DIR_ENC (0 << 12) 71 #define CFG_DIR_DEC (1 << 12) 72 #define CFG_ENC_MODE_ECB (0 << 16) 73 #define CFG_ENC_MODE_CBC (1 << 16) 74 #define CFG_3DES_EEE (0 << 20) 75 #define CFG_3DES_EDE (1 << 20) 76 #define CFG_AES_LEN_128 (0 << 24) 77 #define CFG_AES_LEN_192 (1 << 24) 78 #define CFG_AES_LEN_256 (2 << 24) 79 #define CFG_NOT_FRAG (0 << 30) 80 #define CFG_FIRST_FRAG (1 << 30) 81 #define CFG_LAST_FRAG (2 << 30) 82 #define CFG_MID_FRAG (3 << 30) 83 84 u32 enc_p; 85 #define ENC_P_SRC(x) (x) 86 #define ENC_P_DST(x) ((x) << 16) 87 88 u32 enc_len; 89 #define ENC_LEN(x) (x) 90 91 u32 enc_key_p; 92 #define ENC_KEY_P(x) (x) 93 94 u32 enc_iv; 95 #define ENC_IV_POINT(x) ((x) << 0) 96 #define ENC_IV_BUF_POINT(x) ((x) << 16) 97 98 u32 mac_src_p; 99 #define MAC_SRC_DATA_P(x) (x) 100 #define MAC_SRC_TOTAL_LEN(x) ((x) << 16) 101 102 u32 mac_digest; 103 #define MAC_DIGEST_P(x) (x) 104 #define MAC_FRAG_LEN(x) ((x) << 16) 105 u32 mac_iv; 106 #define MAC_INNER_IV_P(x) (x) 107 #define MAC_OUTER_IV_P(x) ((x) << 16) 108 }__attribute__ ((packed)); 109 /* 110 * /-----------\ 0 111 * | ACCEL CFG | 4 * 8 112 * |-----------| 0x20 113 * | CRYPT KEY | 8 * 4 114 * |-----------| 0x40 115 * | IV IN | 4 * 4 116 * |-----------| 0x40 (inplace) 117 * | IV BUF | 4 * 4 118 * |-----------| 0x80 119 * | DATA IN | 16 * x (max ->max_req_size) 120 * |-----------| 0x80 (inplace operation) 121 * | DATA OUT | 16 * x (max ->max_req_size) 122 * \-----------/ SRAM size 123 */ 124 125 /* Hashing memory map: 126 * /-----------\ 0 127 * | ACCEL CFG | 4 * 8 128 * |-----------| 0x20 129 * | Inner IV | 5 * 4 130 * |-----------| 0x34 131 * | Outer IV | 5 * 4 132 * |-----------| 0x48 133 * | Output BUF| 5 * 4 134 * |-----------| 0x80 135 * | DATA IN | 64 * x (max ->max_req_size) 136 * \-----------/ SRAM size 137 */ 138 #define SRAM_CONFIG 0x00 139 #define SRAM_DATA_KEY_P 0x20 140 #define SRAM_DATA_IV 0x40 141 #define SRAM_DATA_IV_BUF 0x40 142 #define SRAM_DATA_IN_START 0x80 143 #define SRAM_DATA_OUT_START 0x80 144 145 #define SRAM_HMAC_IV_IN 0x20 146 #define SRAM_HMAC_IV_OUT 0x34 147 #define SRAM_DIGEST_BUF 0x48 148 149 #define SRAM_CFG_SPACE 0x80 150 151 #endif 152