116 lines
5.8 KiB
C
116 lines
5.8 KiB
C
//*****************************************************************************
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//
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// hw_ccm.h - Macros used when accessing the CCM hardware.
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//
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// Copyright (c) 2012-2014 Texas Instruments Incorporated. All rights reserved.
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// Software License Agreement
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the
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// distribution.
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//
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// Neither the name of Texas Instruments Incorporated nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// This is part of revision 2.1.0.12573 of the Tiva Firmware Development Package.
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//
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//*****************************************************************************
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#ifndef __HW_CCM_H__
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#define __HW_CCM_H__
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//*****************************************************************************
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//
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// The following are defines for the EC register offsets.
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//
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//*****************************************************************************
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#define CCM_O_CRCCTRL 0x00000400 // CRC Control
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#define CCM_O_CRCSEED 0x00000410 // CRC SEED/Context
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#define CCM_O_CRCDIN 0x00000414 // CRC Data Input
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#define CCM_O_CRCRSLTPP 0x00000418 // CRC Post Processing Result
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the CCM_O_CRCCTRL register.
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//
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//*****************************************************************************
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#define CCM_CRCCTRL_INIT_M 0x00006000 // CRC Initialization
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#define CCM_CRCCTRL_INIT_SEED 0x00000000 // Use the CRCSEED register context
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// as the starting value
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#define CCM_CRCCTRL_INIT_0 0x00004000 // Initialize to all '0s'
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#define CCM_CRCCTRL_INIT_1 0x00006000 // Initialize to all '1s'
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#define CCM_CRCCTRL_SIZE 0x00001000 // Input Data Size
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#define CCM_CRCCTRL_RESINV 0x00000200 // Result Inverse Enable
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#define CCM_CRCCTRL_OBR 0x00000100 // Output Reverse Enable
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#define CCM_CRCCTRL_BR 0x00000080 // Bit reverse enable
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#define CCM_CRCCTRL_ENDIAN_M 0x00000030 // Endian Control
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#define CCM_CRCCTRL_ENDIAN_SBHW 0x00000000 // Configuration unchanged. (B3,
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// B2, B1, B0)
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#define CCM_CRCCTRL_ENDIAN_SHW 0x00000010 // Bytes are swapped in half-words
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// but half-words are not swapped
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// (B2, B3, B0, B1)
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#define CCM_CRCCTRL_ENDIAN_SHWNB \
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0x00000020 // Half-words are swapped but bytes
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// are not swapped in half-word.
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// (B1, B0, B3, B2)
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#define CCM_CRCCTRL_ENDIAN_SBSW 0x00000030 // Bytes are swapped in half-words
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// and half-words are swapped. (B0,
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// B1, B2, B3)
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#define CCM_CRCCTRL_TYPE_M 0x0000000F // Operation Type
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#define CCM_CRCCTRL_TYPE_P8055 0x00000000 // Polynomial 0x8005
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#define CCM_CRCCTRL_TYPE_P1021 0x00000001 // Polynomial 0x1021
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#define CCM_CRCCTRL_TYPE_P4C11DB7 \
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0x00000002 // Polynomial 0x4C11DB7
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#define CCM_CRCCTRL_TYPE_P1EDC6F41 \
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0x00000003 // Polynomial 0x1EDC6F41
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#define CCM_CRCCTRL_TYPE_TCPCHKSUM \
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0x00000008 // TCP checksum
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the CCM_O_CRCSEED register.
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//
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//*****************************************************************************
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#define CCM_CRCSEED_SEED_M 0xFFFFFFFF // SEED/Context Value
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#define CCM_CRCSEED_SEED_S 0
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the CCM_O_CRCDIN register.
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//
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//*****************************************************************************
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#define CCM_CRCDIN_DATAIN_M 0xFFFFFFFF // Data Input
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#define CCM_CRCDIN_DATAIN_S 0
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the CCM_O_CRCRSLTPP
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// register.
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//
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//*****************************************************************************
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#define CCM_CRCRSLTPP_RSLTPP_M 0xFFFFFFFF // Post Processing Result
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#define CCM_CRCRSLTPP_RSLTPP_S 0
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#endif // __HW_CCM_H__
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