atmel_aes_read_block
atmel_aes_read_block(dd, AES_GHASHR(0), ctx->ghash_out);
atmel_aes_read_block(dd, AES_GHASHR(0), ctx->ghash);
atmel_aes_read_block(dd, AES_TAGR(0), ctx->tag);
atmel_aes_read_block(dd, AES_ODATAR(0), ctx->tag);
atmel_aes_read_block(dd, AES_ODATAR(0), tweak);
atmel_aes_read_block(dd, AES_ODATAR(0), dd->data);