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authorNicolas Royer <nicolas@eukrea.com>2012-07-01 19:19:44 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2012-07-11 05:07:40 +0200
commitbd3c7b5c2aba0d806285700848f588ca482094d8 (patch)
tree23cc5632224f085f37ce8af47997c3401c205a26 /drivers/crypto/atmel-aes-regs.h
parentARM: AT91SAM9G45: add crypto peripherals (diff)
downloadlinux-bd3c7b5c2aba0d806285700848f588ca482094d8.tar.xz
linux-bd3c7b5c2aba0d806285700848f588ca482094d8.zip
crypto: atmel - add Atmel AES driver
Signed-off-by: Nicolas Royer <nicolas@eukrea.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Eric Bénard <eric@eukrea.com> Tested-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/atmel-aes-regs.h')
-rw-r--r--drivers/crypto/atmel-aes-regs.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/crypto/atmel-aes-regs.h b/drivers/crypto/atmel-aes-regs.h
new file mode 100644
index 000000000000..2786bb1a5aa0
--- /dev/null
+++ b/drivers/crypto/atmel-aes-regs.h
@@ -0,0 +1,62 @@
+#ifndef __ATMEL_AES_REGS_H__
+#define __ATMEL_AES_REGS_H__
+
+#define AES_CR 0x00
+#define AES_CR_START (1 << 0)
+#define AES_CR_SWRST (1 << 8)
+#define AES_CR_LOADSEED (1 << 16)
+
+#define AES_MR 0x04
+#define AES_MR_CYPHER_DEC (0 << 0)
+#define AES_MR_CYPHER_ENC (1 << 0)
+#define AES_MR_DUALBUFF (1 << 3)
+#define AES_MR_PROCDLY_MASK (0xF << 4)
+#define AES_MR_PROCDLY_OFFSET 4
+#define AES_MR_SMOD_MASK (0x3 << 8)
+#define AES_MR_SMOD_MANUAL (0x0 << 8)
+#define AES_MR_SMOD_AUTO (0x1 << 8)
+#define AES_MR_SMOD_IDATAR0 (0x2 << 8)
+#define AES_MR_KEYSIZE_MASK (0x3 << 10)
+#define AES_MR_KEYSIZE_128 (0x0 << 10)
+#define AES_MR_KEYSIZE_192 (0x1 << 10)
+#define AES_MR_KEYSIZE_256 (0x2 << 10)
+#define AES_MR_OPMOD_MASK (0x7 << 12)
+#define AES_MR_OPMOD_ECB (0x0 << 12)
+#define AES_MR_OPMOD_CBC (0x1 << 12)
+#define AES_MR_OPMOD_OFB (0x2 << 12)
+#define AES_MR_OPMOD_CFB (0x3 << 12)
+#define AES_MR_OPMOD_CTR (0x4 << 12)
+#define AES_MR_LOD (0x1 << 15)
+#define AES_MR_CFBS_MASK (0x7 << 16)
+#define AES_MR_CFBS_128b (0x0 << 16)
+#define AES_MR_CFBS_64b (0x1 << 16)
+#define AES_MR_CFBS_32b (0x2 << 16)
+#define AES_MR_CFBS_16b (0x3 << 16)
+#define AES_MR_CFBS_8b (0x4 << 16)
+#define AES_MR_CKEY_MASK (0xF << 20)
+#define AES_MR_CKEY_OFFSET 20
+#define AES_MR_CMTYP_MASK (0x1F << 24)
+#define AES_MR_CMTYP_OFFSET 24
+
+#define AES_IER 0x10
+#define AES_IDR 0x14
+#define AES_IMR 0x18
+#define AES_ISR 0x1C
+#define AES_INT_DATARDY (1 << 0)
+#define AES_INT_URAD (1 << 8)
+#define AES_ISR_URAT_MASK (0xF << 12)
+#define AES_ISR_URAT_IDR_WR_PROC (0x0 << 12)
+#define AES_ISR_URAT_ODR_RD_PROC (0x1 << 12)
+#define AES_ISR_URAT_MR_WR_PROC (0x2 << 12)
+#define AES_ISR_URAT_ODR_RD_SUBK (0x3 << 12)
+#define AES_ISR_URAT_MR_WR_SUBK (0x4 << 12)
+#define AES_ISR_URAT_WOR_RD (0x5 << 12)
+
+#define AES_KEYWR(x) (0x20 + ((x) * 0x04))
+#define AES_IDATAR(x) (0x40 + ((x) * 0x04))
+#define AES_ODATAR(x) (0x50 + ((x) * 0x04))
+#define AES_IVR(x) (0x60 + ((x) * 0x04))
+
+#define AES_HW_VERSION 0xFC
+
+#endif /* __ATMEL_AES_REGS_H__ */