xref: /openbmc/u-boot/include/u-boot/crc.h (revision 76b00aca)
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 */
32