Merge branch 'master' of git://git.denx.de/u-boot-sunxi

[u-boot] / include / crc.h

diff --git a/include/crc.h b/include/crc.h
index 63399bf8f6e96d93a5131c253ab2a29cd81bfb16..2a00af5be467c7ec30b4615fc7f64bf61bb548b3 100644 (file)
--- a/include/crc.h
+++ b/include/crc.h
@@ -1,56 +1,27 @@
-//==========================================================================
-//
-//      crc.h
-//
-//      Interface for the CRC algorithms.
-//
-//==========================================================================
-//####ECOSGPLCOPYRIGHTBEGIN####
-// -------------------------------------------
-// This file is part of eCos, the Embedded Configurable Operating System.
-// Copyright (C) 2002 Andrew Lunn
-//
-// eCos is free software; you can redistribute it and/or modify it under
-// the terms of the GNU General Public License as published by the Free
-// Software Foundation; either version 2 or (at your option) any later version.
-//
-// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
-// WARRANTY; without even the implied warranty of MERCHANTABILITY or
-// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-// for more details.
-//
-// You should have received a copy of the GNU General Public License along
-// with eCos; if not, write to the Free Software Foundation, Inc.,
-// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
-//
-// As a special exception, if other files instantiate templates or use macros
-// or inline functions from this file, or you compile this file and link it
-// with other works to produce a work based on this file, this file does not
-// by itself cause the resulting work to be covered by the GNU General Public
-// License. However the source code for this file must still be made available
-// in accordance with section (3) of the GNU General Public License.
-//
-// This exception does not invalidate any other reasons why a work based on
-// this file might be covered by the GNU General Public License.
-//
-// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
-// at http://sources.redhat.com/ecos/ecos-license/
-// -------------------------------------------
-//####ECOSGPLCOPYRIGHTEND####
-//==========================================================================
-//#####DESCRIPTIONBEGIN####
-//
-// Author(s):    Andrew Lunn
-// Contributors: Andrew Lunn
-// Date:         2002-08-06
-// Purpose:      
-// Description:  
-//              
-// This code is part of eCos (tm).
-//
-//####DESCRIPTIONEND####
-//
-//==========================================================================
+/* SPDX-License-Identifier: eCos-2.0 */
+/*
+ *==========================================================================
+ *
+ *      crc.h
+ *
+ *      Interface for the CRC algorithms.
+ *
+ *==========================================================================
+ *==========================================================================
+ *#####DESCRIPTIONBEGIN####
+ *
+ * Author(s):    Andrew Lunn
+ * Contributors: Andrew Lunn
+ * Date:         2002-08-06
+ * Purpose:
+ * Description:
+ *
+ * This code is part of eCos (tm).
+ *
+ *####DESCRIPTIONEND####
+ *
+ *==========================================================================
+ */
 
 #ifndef _SERVICES_CRC_CRC_H_
 #define _SERVICES_CRC_CRC_H_
@@ -65,37 +36,8 @@
 # endif
 #endif
 
-// Compute a CRC, using the POSIX 1003 definition
-extern uint32_t 
-cyg_posix_crc32(unsigned char *s, int len);
-
-// Gary S. Brown's 32 bit CRC
-
-extern uint32_t 
-cyg_crc32(unsigned char *s, int len);
-
-// Gary S. Brown's 32 bit CRC, but accumulate the result from a
-// previous CRC calculation
-
-extern uint32_t 
-cyg_crc32_accumulate(uint32_t crc, unsigned char *s, int len);
-
-// Ethernet FCS Algorithm
-
-extern uint32_t 
-cyg_ether_crc32(unsigned char *s, int len);
-
-// Ethernet FCS algorithm, but accumulate the result from a previous
-// CRC calculation.
-
-extern uint32_t 
-cyg_ether_crc32_accumulate(uint32_t crc, unsigned char *s, int len);
-
-// 16 bit CRC with polynomial x^16+x^12+x^5+1
-
-extern uint16_t cyg_crc16(unsigned char *s, int len);
-
-#endif // _SERVICES_CRC_CRC_H_
-
+/* 16 bit CRC with polynomial x^16+x^12+x^5+1 (CRC-CCITT) */
 
+uint16_t crc16_ccitt(uint16_t crc_start, unsigned char *s, int len);
 
+#endif /* _SERVICES_CRC_CRC_H_ */