xref: /linux/drivers/crypto/atmel-aes-regs.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ATMEL_AES_REGS_H__
3 #define __ATMEL_AES_REGS_H__
4 
5 #define AES_CR			0x00
6 #define AES_CR_START		(1 << 0)
7 #define AES_CR_SWRST		(1 << 8)
8 #define AES_CR_LOADSEED		(1 << 16)
9 
10 #define	AES_MR			0x04
11 #define AES_MR_CYPHER_DEC		(0 << 0)
12 #define AES_MR_CYPHER_ENC		(1 << 0)
13 #define AES_MR_GTAGEN			(1 << 1)
14 #define	AES_MR_DUALBUFF			(1 << 3)
15 #define AES_MR_PROCDLY_MASK		(0xF << 4)
16 #define AES_MR_PROCDLY_OFFSET	4
17 #define AES_MR_SMOD_MASK		(0x3 << 8)
18 #define AES_MR_SMOD_MANUAL		(0x0 << 8)
19 #define AES_MR_SMOD_AUTO		(0x1 << 8)
20 #define AES_MR_SMOD_IDATAR0		(0x2 << 8)
21 #define	AES_MR_KEYSIZE_MASK		(0x3 << 10)
22 #define	AES_MR_KEYSIZE_128		(0x0 << 10)
23 #define	AES_MR_KEYSIZE_192		(0x1 << 10)
24 #define	AES_MR_KEYSIZE_256		(0x2 << 10)
25 #define AES_MR_OPMOD_MASK		(0x7 << 12)
26 #define AES_MR_OPMOD_ECB		(0x0 << 12)
27 #define AES_MR_OPMOD_CBC		(0x1 << 12)
28 #define AES_MR_OPMOD_OFB		(0x2 << 12)
29 #define AES_MR_OPMOD_CFB		(0x3 << 12)
30 #define AES_MR_OPMOD_CTR		(0x4 << 12)
31 #define AES_MR_OPMOD_GCM		(0x5 << 12)
32 #define AES_MR_OPMOD_XTS		(0x6 << 12)
33 #define AES_MR_LOD				(0x1 << 15)
34 #define AES_MR_CFBS_MASK		(0x7 << 16)
35 #define AES_MR_CFBS_128b		(0x0 << 16)
36 #define AES_MR_CFBS_64b			(0x1 << 16)
37 #define AES_MR_CFBS_32b			(0x2 << 16)
38 #define AES_MR_CFBS_16b			(0x3 << 16)
39 #define AES_MR_CFBS_8b			(0x4 << 16)
40 #define AES_MR_CKEY_MASK		(0xF << 20)
41 #define AES_MR_CKEY_OFFSET		20
42 #define AES_MR_CMTYP_MASK		(0x1F << 24)
43 #define AES_MR_CMTYP_OFFSET		24
44 
45 #define	AES_IER		0x10
46 #define	AES_IDR		0x14
47 #define	AES_IMR		0x18
48 #define	AES_ISR		0x1C
49 #define AES_INT_DATARDY		(1 << 0)
50 #define AES_INT_URAD		(1 << 8)
51 #define AES_INT_TAGRDY		(1 << 16)
52 #define AES_ISR_URAT_MASK	(0xF << 12)
53 #define AES_ISR_URAT_IDR_WR_PROC	(0x0 << 12)
54 #define AES_ISR_URAT_ODR_RD_PROC	(0x1 << 12)
55 #define AES_ISR_URAT_MR_WR_PROC		(0x2 << 12)
56 #define AES_ISR_URAT_ODR_RD_SUBK	(0x3 << 12)
57 #define AES_ISR_URAT_MR_WR_SUBK		(0x4 << 12)
58 #define AES_ISR_URAT_WOR_RD			(0x5 << 12)
59 
60 #define AES_KEYWR(x)	(0x20 + ((x) * 0x04))
61 #define AES_IDATAR(x)	(0x40 + ((x) * 0x04))
62 #define AES_ODATAR(x)	(0x50 + ((x) * 0x04))
63 #define AES_IVR(x)		(0x60 + ((x) * 0x04))
64 
65 #define AES_AADLENR	0x70
66 #define AES_CLENR	0x74
67 #define AES_GHASHR(x)	(0x78 + ((x) * 0x04))
68 #define AES_TAGR(x)	(0x88 + ((x) * 0x04))
69 #define AES_CTRR	0x98
70 #define AES_GCMHR(x)	(0x9c + ((x) * 0x04))
71 
72 #define AES_EMR		0xb0
73 #define AES_EMR_APEN		BIT(0)	/* Auto Padding Enable */
74 #define AES_EMR_APM		BIT(1)	/* Auto Padding Mode */
75 #define AES_EMR_APM_IPSEC	0x0
76 #define AES_EMR_APM_SSL		BIT(1)
77 #define AES_EMR_PLIPEN		BIT(4)	/* PLIP Enable */
78 #define AES_EMR_PLIPD		BIT(5)	/* PLIP Decipher */
79 #define AES_EMR_PADLEN_MASK	(0xFu << 8)
80 #define AES_EMR_PADLEN_OFFSET	8
81 #define AES_EMR_PADLEN(padlen)	(((padlen) << AES_EMR_PADLEN_OFFSET) &\
82 				 AES_EMR_PADLEN_MASK)
83 #define AES_EMR_NHEAD_MASK	(0xFu << 16)
84 #define AES_EMR_NHEAD_OFFSET	16
85 #define AES_EMR_NHEAD(nhead)	(((nhead) << AES_EMR_NHEAD_OFFSET) &\
86 				 AES_EMR_NHEAD_MASK)
87 
88 #define AES_TWR(x)	(0xc0 + ((x) * 0x04))
89 #define AES_ALPHAR(x)	(0xd0 + ((x) * 0x04))
90 
91 #define AES_HW_VERSION	0xFC
92 
93 #endif /* __ATMEL_AES_REGS_H__ */
94