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1 /*
2  * Copyright (c) 2010 Picochip Ltd., Jamie Iles
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17  */
18 #ifndef __PICOXCELL_CRYPTO_REGS_H__
19 #define __PICOXCELL_CRYPTO_REGS_H__
20 
21 #define SPA_STATUS_OK			0
22 #define SPA_STATUS_ICV_FAIL		1
23 #define SPA_STATUS_MEMORY_ERROR		2
24 #define SPA_STATUS_BLOCK_ERROR		3
25 
26 #define SPA_IRQ_CTRL_STAT_CNT_OFFSET	16
27 #define SPA_IRQ_STAT_STAT_MASK		(1 << 4)
28 #define SPA_FIFO_STAT_STAT_OFFSET	16
29 #define SPA_FIFO_STAT_STAT_CNT_MASK	(0x3F << SPA_FIFO_STAT_STAT_OFFSET)
30 #define SPA_STATUS_RES_CODE_OFFSET	24
31 #define SPA_STATUS_RES_CODE_MASK	(0x3 << SPA_STATUS_RES_CODE_OFFSET)
32 #define SPA_KEY_SZ_CTX_INDEX_OFFSET	8
33 #define SPA_KEY_SZ_CIPHER_OFFSET	31
34 
35 #define SPA_IRQ_EN_REG_OFFSET		0x00000000
36 #define SPA_IRQ_STAT_REG_OFFSET		0x00000004
37 #define SPA_IRQ_CTRL_REG_OFFSET		0x00000008
38 #define SPA_FIFO_STAT_REG_OFFSET	0x0000000C
39 #define SPA_SDMA_BRST_SZ_REG_OFFSET	0x00000010
40 #define SPA_SRC_PTR_REG_OFFSET		0x00000020
41 #define SPA_DST_PTR_REG_OFFSET		0x00000024
42 #define SPA_OFFSET_REG_OFFSET		0x00000028
43 #define SPA_AAD_LEN_REG_OFFSET		0x0000002C
44 #define SPA_PROC_LEN_REG_OFFSET		0x00000030
45 #define SPA_ICV_LEN_REG_OFFSET		0x00000034
46 #define SPA_ICV_OFFSET_REG_OFFSET	0x00000038
47 #define SPA_SW_CTRL_REG_OFFSET		0x0000003C
48 #define SPA_CTRL_REG_OFFSET		0x00000040
49 #define SPA_AUX_INFO_REG_OFFSET		0x0000004C
50 #define SPA_STAT_POP_REG_OFFSET		0x00000050
51 #define SPA_STATUS_REG_OFFSET		0x00000054
52 #define SPA_KEY_SZ_REG_OFFSET		0x00000100
53 #define SPA_CIPH_KEY_BASE_REG_OFFSET	0x00004000
54 #define SPA_HASH_KEY_BASE_REG_OFFSET	0x00008000
55 #define SPA_RC4_CTX_BASE_REG_OFFSET	0x00020000
56 
57 #define SPA_IRQ_EN_REG_RESET		0x00000000
58 #define SPA_IRQ_CTRL_REG_RESET		0x00000000
59 #define SPA_FIFO_STAT_REG_RESET		0x00000000
60 #define SPA_SDMA_BRST_SZ_REG_RESET	0x00000000
61 #define SPA_SRC_PTR_REG_RESET		0x00000000
62 #define SPA_DST_PTR_REG_RESET		0x00000000
63 #define SPA_OFFSET_REG_RESET		0x00000000
64 #define SPA_AAD_LEN_REG_RESET		0x00000000
65 #define SPA_PROC_LEN_REG_RESET		0x00000000
66 #define SPA_ICV_LEN_REG_RESET		0x00000000
67 #define SPA_ICV_OFFSET_REG_RESET	0x00000000
68 #define SPA_SW_CTRL_REG_RESET		0x00000000
69 #define SPA_CTRL_REG_RESET		0x00000000
70 #define SPA_AUX_INFO_REG_RESET		0x00000000
71 #define SPA_STAT_POP_REG_RESET		0x00000000
72 #define SPA_STATUS_REG_RESET		0x00000000
73 #define SPA_KEY_SZ_REG_RESET		0x00000000
74 
75 #define SPA_CTRL_HASH_ALG_IDX		4
76 #define SPA_CTRL_CIPH_MODE_IDX		8
77 #define SPA_CTRL_HASH_MODE_IDX		12
78 #define SPA_CTRL_CTX_IDX		16
79 #define SPA_CTRL_ENCRYPT_IDX		24
80 #define SPA_CTRL_AAD_COPY		25
81 #define SPA_CTRL_ICV_PT			26
82 #define SPA_CTRL_ICV_ENC		27
83 #define SPA_CTRL_ICV_APPEND		28
84 #define SPA_CTRL_KEY_EXP		29
85 
86 #define SPA_KEY_SZ_CXT_IDX		8
87 #define SPA_KEY_SZ_CIPHER_IDX		31
88 
89 #define SPA_IRQ_EN_CMD0_EN		(1 << 0)
90 #define SPA_IRQ_EN_STAT_EN		(1 << 4)
91 #define SPA_IRQ_EN_GLBL_EN		(1 << 31)
92 
93 #define SPA_CTRL_CIPH_ALG_NULL		0x00
94 #define SPA_CTRL_CIPH_ALG_DES		0x01
95 #define SPA_CTRL_CIPH_ALG_AES		0x02
96 #define SPA_CTRL_CIPH_ALG_RC4		0x03
97 #define SPA_CTRL_CIPH_ALG_MULTI2	0x04
98 #define SPA_CTRL_CIPH_ALG_KASUMI	0x05
99 
100 #define SPA_CTRL_HASH_ALG_NULL		(0x00 << SPA_CTRL_HASH_ALG_IDX)
101 #define SPA_CTRL_HASH_ALG_MD5		(0x01 << SPA_CTRL_HASH_ALG_IDX)
102 #define SPA_CTRL_HASH_ALG_SHA		(0x02 << SPA_CTRL_HASH_ALG_IDX)
103 #define SPA_CTRL_HASH_ALG_SHA224	(0x03 << SPA_CTRL_HASH_ALG_IDX)
104 #define SPA_CTRL_HASH_ALG_SHA256	(0x04 << SPA_CTRL_HASH_ALG_IDX)
105 #define SPA_CTRL_HASH_ALG_SHA384	(0x05 << SPA_CTRL_HASH_ALG_IDX)
106 #define SPA_CTRL_HASH_ALG_SHA512	(0x06 << SPA_CTRL_HASH_ALG_IDX)
107 #define SPA_CTRL_HASH_ALG_AESMAC	(0x07 << SPA_CTRL_HASH_ALG_IDX)
108 #define SPA_CTRL_HASH_ALG_AESCMAC	(0x08 << SPA_CTRL_HASH_ALG_IDX)
109 #define SPA_CTRL_HASH_ALG_KASF9		(0x09 << SPA_CTRL_HASH_ALG_IDX)
110 
111 #define SPA_CTRL_CIPH_MODE_NULL		(0x00 << SPA_CTRL_CIPH_MODE_IDX)
112 #define SPA_CTRL_CIPH_MODE_ECB		(0x00 << SPA_CTRL_CIPH_MODE_IDX)
113 #define SPA_CTRL_CIPH_MODE_CBC		(0x01 << SPA_CTRL_CIPH_MODE_IDX)
114 #define SPA_CTRL_CIPH_MODE_CTR		(0x02 << SPA_CTRL_CIPH_MODE_IDX)
115 #define SPA_CTRL_CIPH_MODE_CCM		(0x03 << SPA_CTRL_CIPH_MODE_IDX)
116 #define SPA_CTRL_CIPH_MODE_GCM		(0x05 << SPA_CTRL_CIPH_MODE_IDX)
117 #define SPA_CTRL_CIPH_MODE_OFB		(0x07 << SPA_CTRL_CIPH_MODE_IDX)
118 #define SPA_CTRL_CIPH_MODE_CFB		(0x08 << SPA_CTRL_CIPH_MODE_IDX)
119 #define SPA_CTRL_CIPH_MODE_F8		(0x09 << SPA_CTRL_CIPH_MODE_IDX)
120 
121 #define SPA_CTRL_HASH_MODE_RAW		(0x00 << SPA_CTRL_HASH_MODE_IDX)
122 #define SPA_CTRL_HASH_MODE_SSLMAC	(0x01 << SPA_CTRL_HASH_MODE_IDX)
123 #define SPA_CTRL_HASH_MODE_HMAC		(0x02 << SPA_CTRL_HASH_MODE_IDX)
124 
125 #define SPA_FIFO_STAT_EMPTY		(1 << 31)
126 #define SPA_FIFO_CMD_FULL		(1 << 7)
127 
128 #endif /* __PICOXCELL_CRYPTO_REGS_H__ */
129