xref: /openbmc/linux/drivers/crypto/talitos.h (revision 9ac8d3fb)
1 /*
2  * Freescale SEC (talitos) device register and descriptor header defines
3  *
4  * Copyright (c) 2006-2008 Freescale Semiconductor, Inc.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  *
29  */
30 
31 /*
32  * TALITOS_xxx_LO addresses point to the low data bits (32-63) of the register
33  */
34 
35 /* global register offset addresses */
36 #define TALITOS_MCR			0x1030  /* master control register */
37 #define TALITOS_MCR_LO			0x1038
38 #define   TALITOS_MCR_SWR		0x1     /* s/w reset */
39 #define TALITOS_IMR			0x1008  /* interrupt mask register */
40 #define   TALITOS_IMR_INIT		0x10fff /* enable channel IRQs */
41 #define TALITOS_IMR_LO			0x100C
42 #define   TALITOS_IMR_LO_INIT		0x20000 /* allow RNGU error IRQs */
43 #define TALITOS_ISR			0x1010  /* interrupt status register */
44 #define   TALITOS_ISR_CHERR		0xaa    /* channel errors mask */
45 #define   TALITOS_ISR_CHDONE		0x55    /* channel done mask */
46 #define TALITOS_ISR_LO			0x1014
47 #define TALITOS_ICR			0x1018  /* interrupt clear register */
48 #define TALITOS_ICR_LO			0x101C
49 
50 /* channel register address stride */
51 #define TALITOS_CH_STRIDE		0x100
52 
53 /* channel configuration register  */
54 #define TALITOS_CCCR(ch)		(ch * TALITOS_CH_STRIDE + 0x1108)
55 #define   TALITOS_CCCR_CONT		0x2    /* channel continue */
56 #define   TALITOS_CCCR_RESET		0x1    /* channel reset */
57 #define TALITOS_CCCR_LO(ch)		(ch * TALITOS_CH_STRIDE + 0x110c)
58 #define   TALITOS_CCCR_LO_CDWE		0x10   /* chan. done writeback enab. */
59 #define   TALITOS_CCCR_LO_NT		0x4    /* notification type */
60 #define   TALITOS_CCCR_LO_CDIE		0x2    /* channel done IRQ enable */
61 
62 /* CCPSR: channel pointer status register */
63 #define TALITOS_CCPSR(ch)		(ch * TALITOS_CH_STRIDE + 0x1110)
64 #define TALITOS_CCPSR_LO(ch)		(ch * TALITOS_CH_STRIDE + 0x1114)
65 #define   TALITOS_CCPSR_LO_DOF		0x8000 /* double FF write oflow error */
66 #define   TALITOS_CCPSR_LO_SOF		0x4000 /* single FF write oflow error */
67 #define   TALITOS_CCPSR_LO_MDTE		0x2000 /* master data transfer error */
68 #define   TALITOS_CCPSR_LO_SGDLZ	0x1000 /* s/g data len zero error */
69 #define   TALITOS_CCPSR_LO_FPZ		0x0800 /* fetch ptr zero error */
70 #define   TALITOS_CCPSR_LO_IDH		0x0400 /* illegal desc hdr error */
71 #define   TALITOS_CCPSR_LO_IEU		0x0200 /* invalid EU error */
72 #define   TALITOS_CCPSR_LO_EU		0x0100 /* EU error detected */
73 #define   TALITOS_CCPSR_LO_GB		0x0080 /* gather boundary error */
74 #define   TALITOS_CCPSR_LO_GRL		0x0040 /* gather return/length error */
75 #define   TALITOS_CCPSR_LO_SB		0x0020 /* scatter boundary error */
76 #define   TALITOS_CCPSR_LO_SRL		0x0010 /* scatter return/length error */
77 
78 /* channel fetch fifo register */
79 #define TALITOS_FF(ch)			(ch * TALITOS_CH_STRIDE + 0x1148)
80 #define TALITOS_FF_LO(ch)		(ch * TALITOS_CH_STRIDE + 0x114c)
81 
82 /* current descriptor pointer register */
83 #define TALITOS_CDPR(ch)		(ch * TALITOS_CH_STRIDE + 0x1140)
84 #define TALITOS_CDPR_LO(ch)		(ch * TALITOS_CH_STRIDE + 0x1144)
85 
86 /* descriptor buffer register */
87 #define TALITOS_DESCBUF(ch)		(ch * TALITOS_CH_STRIDE + 0x1180)
88 #define TALITOS_DESCBUF_LO(ch)		(ch * TALITOS_CH_STRIDE + 0x1184)
89 
90 /* gather link table */
91 #define TALITOS_GATHER(ch)		(ch * TALITOS_CH_STRIDE + 0x11c0)
92 #define TALITOS_GATHER_LO(ch)		(ch * TALITOS_CH_STRIDE + 0x11c4)
93 
94 /* scatter link table */
95 #define TALITOS_SCATTER(ch)		(ch * TALITOS_CH_STRIDE + 0x11e0)
96 #define TALITOS_SCATTER_LO(ch)		(ch * TALITOS_CH_STRIDE + 0x11e4)
97 
98 /* execution unit interrupt status registers */
99 #define TALITOS_DEUISR			0x2030 /* DES unit */
100 #define TALITOS_DEUISR_LO		0x2034
101 #define TALITOS_AESUISR			0x4030 /* AES unit */
102 #define TALITOS_AESUISR_LO		0x4034
103 #define TALITOS_MDEUISR			0x6030 /* message digest unit */
104 #define TALITOS_MDEUISR_LO		0x6034
105 #define TALITOS_AFEUISR			0x8030 /* arc4 unit */
106 #define TALITOS_AFEUISR_LO		0x8034
107 #define TALITOS_RNGUISR			0xa030 /* random number unit */
108 #define TALITOS_RNGUISR_LO		0xa034
109 #define TALITOS_RNGUSR			0xa028 /* rng status */
110 #define TALITOS_RNGUSR_LO		0xa02c
111 #define   TALITOS_RNGUSR_LO_RD		0x1	/* reset done */
112 #define   TALITOS_RNGUSR_LO_OFL		0xff0000/* output FIFO length */
113 #define TALITOS_RNGUDSR			0xa010	/* data size */
114 #define TALITOS_RNGUDSR_LO		0xa014
115 #define TALITOS_RNGU_FIFO		0xa800	/* output FIFO */
116 #define TALITOS_RNGU_FIFO_LO		0xa804	/* output FIFO */
117 #define TALITOS_RNGURCR			0xa018	/* reset control */
118 #define TALITOS_RNGURCR_LO		0xa01c
119 #define   TALITOS_RNGURCR_LO_SR		0x1	/* software reset */
120 #define TALITOS_PKEUISR			0xc030 /* public key unit */
121 #define TALITOS_PKEUISR_LO		0xc034
122 #define TALITOS_KEUISR			0xe030 /* kasumi unit */
123 #define TALITOS_KEUISR_LO		0xe034
124 #define TALITOS_CRCUISR			0xf030 /* cyclic redundancy check unit*/
125 #define TALITOS_CRCUISR_LO		0xf034
126 
127 /*
128  * talitos descriptor header (hdr) bits
129  */
130 
131 /* written back when done */
132 #define DESC_HDR_DONE			__constant_cpu_to_be32(0xff000000)
133 
134 /* primary execution unit select */
135 #define	DESC_HDR_SEL0_MASK		__constant_cpu_to_be32(0xf0000000)
136 #define	DESC_HDR_SEL0_AFEU		__constant_cpu_to_be32(0x10000000)
137 #define	DESC_HDR_SEL0_DEU		__constant_cpu_to_be32(0x20000000)
138 #define	DESC_HDR_SEL0_MDEUA		__constant_cpu_to_be32(0x30000000)
139 #define	DESC_HDR_SEL0_MDEUB		__constant_cpu_to_be32(0xb0000000)
140 #define	DESC_HDR_SEL0_RNG		__constant_cpu_to_be32(0x40000000)
141 #define	DESC_HDR_SEL0_PKEU		__constant_cpu_to_be32(0x50000000)
142 #define	DESC_HDR_SEL0_AESU		__constant_cpu_to_be32(0x60000000)
143 #define	DESC_HDR_SEL0_KEU		__constant_cpu_to_be32(0x70000000)
144 #define	DESC_HDR_SEL0_CRCU		__constant_cpu_to_be32(0x80000000)
145 
146 /* primary execution unit mode (MODE0) and derivatives */
147 #define	DESC_HDR_MODE0_ENCRYPT		__constant_cpu_to_be32(0x00100000)
148 #define	DESC_HDR_MODE0_AESU_CBC		__constant_cpu_to_be32(0x00200000)
149 #define	DESC_HDR_MODE0_DEU_CBC		__constant_cpu_to_be32(0x00400000)
150 #define	DESC_HDR_MODE0_DEU_3DES		__constant_cpu_to_be32(0x00200000)
151 #define	DESC_HDR_MODE0_MDEU_INIT	__constant_cpu_to_be32(0x01000000)
152 #define	DESC_HDR_MODE0_MDEU_HMAC	__constant_cpu_to_be32(0x00800000)
153 #define	DESC_HDR_MODE0_MDEU_PAD		__constant_cpu_to_be32(0x00400000)
154 #define	DESC_HDR_MODE0_MDEU_MD5		__constant_cpu_to_be32(0x00200000)
155 #define	DESC_HDR_MODE0_MDEU_SHA256	__constant_cpu_to_be32(0x00100000)
156 #define	DESC_HDR_MODE0_MDEU_SHA1	__constant_cpu_to_be32(0x00000000)
157 #define	DESC_HDR_MODE0_MDEU_MD5_HMAC	(DESC_HDR_MODE0_MDEU_MD5 | \
158 					 DESC_HDR_MODE0_MDEU_HMAC)
159 #define	DESC_HDR_MODE0_MDEU_SHA256_HMAC	(DESC_HDR_MODE0_MDEU_SHA256 | \
160 					 DESC_HDR_MODE0_MDEU_HMAC)
161 #define	DESC_HDR_MODE0_MDEU_SHA1_HMAC	(DESC_HDR_MODE0_MDEU_SHA1 | \
162 					 DESC_HDR_MODE0_MDEU_HMAC)
163 
164 /* secondary execution unit select (SEL1) */
165 #define	DESC_HDR_SEL1_MASK		__constant_cpu_to_be32(0x000f0000)
166 #define	DESC_HDR_SEL1_MDEUA		__constant_cpu_to_be32(0x00030000)
167 #define	DESC_HDR_SEL1_MDEUB		__constant_cpu_to_be32(0x000b0000)
168 #define	DESC_HDR_SEL1_CRCU		__constant_cpu_to_be32(0x00080000)
169 
170 /* secondary execution unit mode (MODE1) and derivatives */
171 #define	DESC_HDR_MODE1_MDEU_INIT	__constant_cpu_to_be32(0x00001000)
172 #define	DESC_HDR_MODE1_MDEU_HMAC	__constant_cpu_to_be32(0x00000800)
173 #define	DESC_HDR_MODE1_MDEU_PAD		__constant_cpu_to_be32(0x00000400)
174 #define	DESC_HDR_MODE1_MDEU_MD5		__constant_cpu_to_be32(0x00000200)
175 #define	DESC_HDR_MODE1_MDEU_SHA256	__constant_cpu_to_be32(0x00000100)
176 #define	DESC_HDR_MODE1_MDEU_SHA1	__constant_cpu_to_be32(0x00000000)
177 #define	DESC_HDR_MODE1_MDEU_MD5_HMAC	(DESC_HDR_MODE1_MDEU_MD5 | \
178 					 DESC_HDR_MODE1_MDEU_HMAC)
179 #define	DESC_HDR_MODE1_MDEU_SHA256_HMAC	(DESC_HDR_MODE1_MDEU_SHA256 | \
180 					 DESC_HDR_MODE1_MDEU_HMAC)
181 #define	DESC_HDR_MODE1_MDEU_SHA1_HMAC	(DESC_HDR_MODE1_MDEU_SHA1 | \
182 					 DESC_HDR_MODE1_MDEU_HMAC)
183 
184 /* direction of overall data flow (DIR) */
185 #define	DESC_HDR_DIR_INBOUND		__constant_cpu_to_be32(0x00000002)
186 
187 /* request done notification (DN) */
188 #define	DESC_HDR_DONE_NOTIFY		__constant_cpu_to_be32(0x00000001)
189 
190 /* descriptor types */
191 #define DESC_HDR_TYPE_AESU_CTR_NONSNOOP		__constant_cpu_to_be32(0 << 3)
192 #define DESC_HDR_TYPE_IPSEC_ESP			__constant_cpu_to_be32(1 << 3)
193 #define DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU	__constant_cpu_to_be32(2 << 3)
194 #define DESC_HDR_TYPE_HMAC_SNOOP_NO_AFEU	__constant_cpu_to_be32(4 << 3)
195 
196 /* link table extent field bits */
197 #define DESC_PTR_LNKTBL_JUMP			0x80
198 #define DESC_PTR_LNKTBL_RETURN			0x02
199 #define DESC_PTR_LNKTBL_NEXT			0x01
200