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