xref: /openbmc/u-boot/include/u-boot/crc.h (revision c66f5620)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2009
4  * Marvell Semiconductor <www.marvell.com>
5  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
6  */
7 
8 #ifndef _UBOOT_CRC_H
9 #define _UBOOT_CRC_H
10 
11 /* lib/crc8.c */
12 unsigned int crc8(unsigned int crc_start, const unsigned char *vptr, int len);
13 
14 /* lib/crc32.c */
15 uint32_t crc32 (uint32_t, const unsigned char *, uint);
16 uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint);
17 uint32_t crc32_no_comp (uint32_t, const unsigned char *, uint);
18 
19 /**
20  * crc32_wd_buf - Perform CRC32 on a buffer and return result in buffer
21  *
22  * @input:	Input buffer
23  * @ilen:	Input buffer length
24  * @output:	Place to put checksum result (4 bytes)
25  * @chunk_sz:	Trigger watchdog after processing this many bytes
26  */
27 void crc32_wd_buf(const unsigned char *input, uint ilen,
28 		    unsigned char *output, uint chunk_sz);
29 
30 /* lib/crc32c.c */
31 void crc32c_init(uint32_t *, uint32_t);
32 uint32_t crc32c_cal(uint32_t, const char *, int, uint32_t *);
33 
34 #endif /* _UBOOT_CRC_H */
35