crypto: atmel - add Atmel SHA1/SHA256 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>
diff --git a/drivers/crypto/atmel-sha-regs.h b/drivers/crypto/atmel-sha-regs.h
new file mode 100644
index 0000000..dc53a20
--- /dev/null
+++ b/drivers/crypto/atmel-sha-regs.h
@@ -0,0 +1,46 @@
+#ifndef __ATMEL_SHA_REGS_H__
+#define __ATMEL_SHA_REGS_H__
+
+#define SHA_REG_DIGEST(x)		(0x80 + ((x) * 0x04))
+#define SHA_REG_DIN(x)			(0x40 + ((x) * 0x04))
+
+#define SHA_CR				0x00
+#define SHA_CR_START			(1 << 0)
+#define SHA_CR_FIRST			(1 << 4)
+#define SHA_CR_SWRST			(1 << 8)
+
+#define SHA_MR				0x04
+#define SHA_MR_MODE_MASK		(0x3 << 0)
+#define SHA_MR_MODE_MANUAL		0x0
+#define SHA_MR_MODE_AUTO		0x1
+#define SHA_MR_MODE_PDC			0x2
+#define	SHA_MR_DUALBUFF			(1 << 3)
+#define SHA_MR_PROCDLY			(1 << 4)
+#define SHA_MR_ALGO_SHA1		(0 << 8)
+#define SHA_MR_ALGO_SHA256		(1 << 8)
+
+#define SHA_IER				0x10
+#define SHA_IDR				0x14
+#define SHA_IMR				0x18
+#define SHA_ISR				0x1C
+#define SHA_INT_DATARDY			(1 << 0)
+#define SHA_INT_ENDTX			(1 << 1)
+#define SHA_INT_TXBUFE			(1 << 2)
+#define SHA_INT_URAD			(1 << 8)
+#define SHA_ISR_URAT_MASK		(0x7 << 12)
+#define SHA_ISR_URAT_IDR		(0x0 << 12)
+#define SHA_ISR_URAT_ODR		(0x1 << 12)
+#define SHA_ISR_URAT_MR			(0x2 << 12)
+#define SHA_ISR_URAT_WO			(0x5 << 12)
+
+#define SHA_TPR				0x108
+#define SHA_TCR				0x10C
+#define SHA_TNPR			0x118
+#define SHA_TNCR			0x11C
+#define SHA_PTCR			0x120
+#define SHA_PTCR_TXTEN		(1 << 8)
+#define SHA_PTCR_TXTDIS		(1 << 9)
+#define SHA_PTSR			0x124
+#define SHA_PTSR_TXTEN		(1 << 8)
+
+#endif /* __ATMEL_SHA_REGS_H__ */