include/u-boot/crc.h

   1 /*
   2  * (C) Copyright 2009
   3  * Marvell Semiconductor <www.marvell.com>
   4  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #ifndef _UBOOT_CRC_H
  10 #define _UBOOT_CRC_H
  11
  12 /* lib/crc8.c */
  13 unsigned int crc8(unsigned int crc_start, const unsigned char *vptr, int len);
  14
  15 /* lib/crc32.c */
  16 uint32_t crc32 (uint32_t, const unsigned char *, uint);
  17 uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint);
  18 uint32_t crc32_no_comp (uint32_t, const unsigned char *, uint);
  19
  20 /**
  21  * crc32_wd_buf - Perform CRC32 on a buffer and return result in buffer
  22  *
  23  * @input:      Input buffer
  24  * @ilen:       Input buffer length
  25  * @output:     Place to put checksum result (4 bytes)
  26  * @chunk_sz:   Trigger watchdog after processing this many bytes
  27  */
  28 void crc32_wd_buf(const unsigned char *input, uint ilen,
  29                     unsigned char *output, uint chunk_sz);
  30
  31 #endif /* _UBOOT_CRC_H */