FreeRTOS/Demo/CORTEX_M4F_ATSAM4E_Atmel_Studio/src/ASF/sam/utils/cmsis/sam4e/include/component/aes.h

/**
 * \file
 *
 * Copyright (c) 2013 Atmel Corporation. All rights reserved.
 *
 * \asf_license_start
 *
 * \page License
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. The name of Atmel may not be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * 4. This software may only be redistributed and used in connection with an
 *    Atmel microcontroller product.
 *
 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * \asf_license_stop
 *
 */

#ifndef _SAM4E_AES_COMPONENT_
#define _SAM4E_AES_COMPONENT_

/* ============================================================================= */
/**  SOFTWARE API DEFINITION FOR Advanced Encryption Standard */
/* ============================================================================= */
/** \addtogroup SAM4E_AES Advanced Encryption Standard */
/*@{*/

#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
/** \brief Aes hardware registers */
typedef struct {
  WoReg AES_CR;        /**< \brief (Aes Offset: 0x00) Control Register */
  RwReg AES_MR;        /**< \brief (Aes Offset: 0x04) Mode Register */
  RoReg Reserved1[2];
  WoReg AES_IER;       /**< \brief (Aes Offset: 0x10) Interrupt Enable Register */
  WoReg AES_IDR;       /**< \brief (Aes Offset: 0x14) Interrupt Disable Register */
  RoReg AES_IMR;       /**< \brief (Aes Offset: 0x18) Interrupt Mask Register */
  RoReg AES_ISR;       /**< \brief (Aes Offset: 0x1C) Interrupt Status Register */
  WoReg AES_KEYWR[8];  /**< \brief (Aes Offset: 0x20) Key Word Register */
  WoReg AES_IDATAR[4]; /**< \brief (Aes Offset: 0x40) Input Data Register */
  RoReg AES_ODATAR[4]; /**< \brief (Aes Offset: 0x50) Output Data Register */
  WoReg AES_IVR[4];    /**< \brief (Aes Offset: 0x60) Initialization Vector Register */
} Aes;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- AES_CR : (AES Offset: 0x00) Control Register -------- */
#define AES_CR_START (0x1u << 0) /**< \brief (AES_CR) Start Processing */
#define AES_CR_SWRST (0x1u << 8) /**< \brief (AES_CR) Software Reset */
/* -------- AES_MR : (AES Offset: 0x04) Mode Register -------- */
#define AES_MR_CIPHER (0x1u << 0) /**< \brief (AES_MR) Processing Mode */
#define AES_MR_DUALBUFF (0x1u << 3) /**< \brief (AES_MR) Dual Input BUFFer */
#define   AES_MR_DUALBUFF_INACTIVE (0x0u << 3) /**< \brief (AES_MR) AES_IDATARx cannot be written during processing of previous block. */
#define   AES_MR_DUALBUFF_ACTIVE (0x1u << 3) /**< \brief (AES_MR) AES_IDATARx can be written during processing of previous block when SMOD = 0x2. It speeds up the overall runtime of large files. */
#define AES_MR_PROCDLY_Pos 4
#define AES_MR_PROCDLY_Msk (0xfu << AES_MR_PROCDLY_Pos) /**< \brief (AES_MR) Processing Delay */
#define AES_MR_PROCDLY(value) ((AES_MR_PROCDLY_Msk & ((value) << AES_MR_PROCDLY_Pos)))
#define AES_MR_SMOD_Pos 8
#define AES_MR_SMOD_Msk (0x3u << AES_MR_SMOD_Pos) /**< \brief (AES_MR) Start Mode */
#define   AES_MR_SMOD_MANUAL_START (0x0u << 8) /**< \brief (AES_MR) Manual Mode */
#define   AES_MR_SMOD_AUTO_START (0x1u << 8) /**< \brief (AES_MR) Auto Mode */
#define   AES_MR_SMOD_IDATAR0_START (0x2u << 8) /**< \brief (AES_MR) AES_IDATAR0 access only Auto Mode */
#define AES_MR_KEYSIZE_Pos 10
#define AES_MR_KEYSIZE_Msk (0x3u << AES_MR_KEYSIZE_Pos) /**< \brief (AES_MR) Key Size */
#define   AES_MR_KEYSIZE_AES128 (0x0u << 10) /**< \brief (AES_MR) AES Key Size is 128 bits */
#define   AES_MR_KEYSIZE_AES192 (0x1u << 10) /**< \brief (AES_MR) AES Key Size is 192 bits */
#define   AES_MR_KEYSIZE_AES256 (0x2u << 10) /**< \brief (AES_MR) AES Key Size is 256 bits */
#define AES_MR_OPMOD_Pos 12
#define AES_MR_OPMOD_Msk (0x7u << AES_MR_OPMOD_Pos) /**< \brief (AES_MR) Operation Mode */
#define   AES_MR_OPMOD_ECB (0x0u << 12) /**< \brief (AES_MR) ECB: Electronic Code Book mode */
#define   AES_MR_OPMOD_CBC (0x1u << 12) /**< \brief (AES_MR) CBC: Cipher Block Chaining mode */
#define   AES_MR_OPMOD_OFB (0x2u << 12) /**< \brief (AES_MR) OFB: Output Feedback mode */
#define   AES_MR_OPMOD_CFB (0x3u << 12) /**< \brief (AES_MR) CFB: Cipher Feedback mode */
#define   AES_MR_OPMOD_CTR (0x4u << 12) /**< \brief (AES_MR) CTR: Counter mode (16-bit internal counter) */
#define AES_MR_LOD (0x1u << 15) /**< \brief (AES_MR) Last Output Data Mode */
#define AES_MR_CFBS_Pos 16
#define AES_MR_CFBS_Msk (0x7u << AES_MR_CFBS_Pos) /**< \brief (AES_MR) Cipher Feedback Data Size */
#define   AES_MR_CFBS_SIZE_128BIT (0x0u << 16) /**< \brief (AES_MR) 128-bit */
#define   AES_MR_CFBS_SIZE_64BIT (0x1u << 16) /**< \brief (AES_MR) 64-bit */
#define   AES_MR_CFBS_SIZE_32BIT (0x2u << 16) /**< \brief (AES_MR) 32-bit */
#define   AES_MR_CFBS_SIZE_16BIT (0x3u << 16) /**< \brief (AES_MR) 16-bit */
#define   AES_MR_CFBS_SIZE_8BIT (0x4u << 16) /**< \brief (AES_MR) 8-bit */
#define AES_MR_CKEY_Pos 20
#define AES_MR_CKEY_Msk (0xfu << AES_MR_CKEY_Pos) /**< \brief (AES_MR) Key */
#define AES_MR_CKEY(value) ((AES_MR_CKEY_Msk & ((value) << AES_MR_CKEY_Pos)))
/* -------- AES_IER : (AES Offset: 0x10) Interrupt Enable Register -------- */
#define AES_IER_DATRDY (0x1u << 0) /**< \brief (AES_IER) Data Ready Interrupt Enable */
#define AES_IER_ENDRX (0x1u << 1) /**< \brief (AES_IER) End of Receive Buffer Interrupt Enable */
#define AES_IER_ENDTX (0x1u << 2) /**< \brief (AES_IER) End of Transmit Buffer Interrupt Enable */
#define AES_IER_RXBUFF (0x1u << 3) /**< \brief (AES_IER) Receive Buffer Full Interrupt Enable */
#define AES_IER_TXBUFE (0x1u << 4) /**< \brief (AES_IER) Transmit Buffer Empty Interrupt Enable */
#define AES_IER_URAD (0x1u << 8) /**< \brief (AES_IER) Unspecified Register Access Detection Interrupt Enable */
/* -------- AES_IDR : (AES Offset: 0x14) Interrupt Disable Register -------- */
#define AES_IDR_DATRDY (0x1u << 0) /**< \brief (AES_IDR) Data Ready Interrupt Disable */
#define AES_IDR_ENDRX (0x1u << 1) /**< \brief (AES_IDR) End of Receive Buffer Interrupt Disable */
#define AES_IDR_ENDTX (0x1u << 2) /**< \brief (AES_IDR) End of Transmit Buffer Interrupt Disable */
#define AES_IDR_RXBUFF (0x1u << 3) /**< \brief (AES_IDR) Receive Buffer Full Interrupt Disable */
#define AES_IDR_TXBUFE (0x1u << 4) /**< \brief (AES_IDR) Transmit Buffer Empty Interrupt Disable */
#define AES_IDR_URAD (0x1u << 8) /**< \brief (AES_IDR) Unspecified Register Access Detection Interrupt Disable */
/* -------- AES_IMR : (AES Offset: 0x18) Interrupt Mask Register -------- */
#define AES_IMR_DATRDY (0x1u << 0) /**< \brief (AES_IMR) Data Ready Interrupt Mask */
#define AES_IMR_ENDRX (0x1u << 1) /**< \brief (AES_IMR) End of Receive Buffer Interrupt Mask */
#define AES_IMR_ENDTX (0x1u << 2) /**< \brief (AES_IMR) End of Transmit Buffer Interrupt Mask */
#define AES_IMR_RXBUFF (0x1u << 3) /**< \brief (AES_IMR) Receive Buffer Full Interrupt Mask */
#define AES_IMR_TXBUFE (0x1u << 4) /**< \brief (AES_IMR) Transmit Buffer Empty Interrupt Mask */
#define AES_IMR_URAD (0x1u << 8) /**< \brief (AES_IMR) Unspecified Register Access Detection Interrupt Mask */
/* -------- AES_ISR : (AES Offset: 0x1C) Interrupt Status Register -------- */
#define AES_ISR_DATRDY (0x1u << 0) /**< \brief (AES_ISR) Data Ready */
#define AES_ISR_ENDRX (0x1u << 1) /**< \brief (AES_ISR) End of RX Buffer */
#define AES_ISR_ENDTX (0x1u << 2) /**< \brief (AES_ISR) End of TX Buffer */
#define AES_ISR_RXBUFF (0x1u << 3) /**< \brief (AES_ISR) RX Buffer Full */
#define AES_ISR_TXBUFE (0x1u << 4) /**< \brief (AES_ISR) TX Buffer Empty */
#define AES_ISR_URAD (0x1u << 8) /**< \brief (AES_ISR) Unspecified Register Access Detection Status */
#define AES_ISR_URAT_Pos 12
#define AES_ISR_URAT_Msk (0xfu << AES_ISR_URAT_Pos) /**< \brief (AES_ISR) Unspecified Register Access: */
#define   AES_ISR_URAT_IDR_WR_PROCESSING (0x0u << 12) /**< \brief (AES_ISR) Input Data Register written during the data processing when SMOD=0x2 mode. */
#define   AES_ISR_URAT_ODR_RD_PROCESSING (0x1u << 12) /**< \brief (AES_ISR) Output Data Register read during the data processing. */
#define   AES_ISR_URAT_MR_WR_PROCESSING (0x2u << 12) /**< \brief (AES_ISR) Mode Register written during the data processing. */
#define   AES_ISR_URAT_ODR_RD_SUBKGEN (0x3u << 12) /**< \brief (AES_ISR) Output Data Register read during the sub-keys generation. */
#define   AES_ISR_URAT_MR_WR_SUBKGEN (0x4u << 12) /**< \brief (AES_ISR) Mode Register written during the sub-keys generation. */
#define   AES_ISR_URAT_WOR_RD_ACCESS (0x5u << 12) /**< \brief (AES_ISR) Write-only register read access. */
/* -------- AES_KEYWR[8] : (AES Offset: 0x20) Key Word Register -------- */
#define AES_KEYWR_KEYW_Pos 0
#define AES_KEYWR_KEYW_Msk (0xffffffffu << AES_KEYWR_KEYW_Pos) /**< \brief (AES_KEYWR[8]) Key Word */
#define AES_KEYWR_KEYW(value) ((AES_KEYWR_KEYW_Msk & ((value) << AES_KEYWR_KEYW_Pos)))
/* -------- AES_IDATAR[4] : (AES Offset: 0x40) Input Data Register -------- */
#define AES_IDATAR_IDATA_Pos 0
#define AES_IDATAR_IDATA_Msk (0xffffffffu << AES_IDATAR_IDATA_Pos) /**< \brief (AES_IDATAR[4]) Input Data Word */
#define AES_IDATAR_IDATA(value) ((AES_IDATAR_IDATA_Msk & ((value) << AES_IDATAR_IDATA_Pos)))
/* -------- AES_ODATAR[4] : (AES Offset: 0x50) Output Data Register -------- */
#define AES_ODATAR_ODATA_Pos 0
#define AES_ODATAR_ODATA_Msk (0xffffffffu << AES_ODATAR_ODATA_Pos) /**< \brief (AES_ODATAR[4]) Output Data */
/* -------- AES_IVR[4] : (AES Offset: 0x60) Initialization Vector Register -------- */
#define AES_IVR_IV_Pos 0
#define AES_IVR_IV_Msk (0xffffffffu << AES_IVR_IV_Pos) /**< \brief (AES_IVR[4]) Initialization Vector */
#define AES_IVR_IV(value) ((AES_IVR_IV_Msk & ((value) << AES_IVR_IV_Pos)))

/*@}*/


#endif /* _SAM4E_AES_COMPONENT_ */