xref: /rk3399_rockchip-uboot/include/u-boot/crc.h (revision 1a4596601fd395f3afb8f82f3f840c5e00bdd57a)
1449609f5SPrafulla Wadaskar /*
2449609f5SPrafulla Wadaskar  * (C) Copyright 2009
3449609f5SPrafulla Wadaskar  * Marvell Semiconductor <www.marvell.com>
4449609f5SPrafulla Wadaskar  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
5449609f5SPrafulla Wadaskar  *
6*1a459660SWolfgang Denk  * SPDX-License-Identifier:	GPL-2.0+
7449609f5SPrafulla Wadaskar  */
8449609f5SPrafulla Wadaskar 
9449609f5SPrafulla Wadaskar #ifndef _UBOOT_CRC_H
10449609f5SPrafulla Wadaskar #define _UBOOT_CRC_H
11449609f5SPrafulla Wadaskar 
1278acc472SPeter Tyser /* lib/crc32.c */
13449609f5SPrafulla Wadaskar uint32_t crc32 (uint32_t, const unsigned char *, uint);
14449609f5SPrafulla Wadaskar uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint);
15449609f5SPrafulla Wadaskar uint32_t crc32_no_comp (uint32_t, const unsigned char *, uint);
16449609f5SPrafulla Wadaskar 
17d20a40deSSimon Glass /**
18d20a40deSSimon Glass  * crc32_wd_buf - Perform CRC32 on a buffer and return result in buffer
19d20a40deSSimon Glass  *
20d20a40deSSimon Glass  * @input:	Input buffer
21d20a40deSSimon Glass  * @ilen:	Input buffer length
22d20a40deSSimon Glass  * @output:	Place to put checksum result (4 bytes)
23d20a40deSSimon Glass  * @chunk_sz:	Trigger watchdog after processing this many bytes
24d20a40deSSimon Glass  */
25d20a40deSSimon Glass void crc32_wd_buf(const unsigned char *input, uint ilen,
26d20a40deSSimon Glass 		    unsigned char *output, uint chunk_sz);
27d20a40deSSimon Glass 
28449609f5SPrafulla Wadaskar #endif /* _UBOOT_CRC_H */
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