[people/ms/u-boot.git] / include / u-boot / crc.h

/*
 * (C) Copyright 2009
 * Marvell Semiconductor <www.marvell.com>
 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef _UBOOT_CRC_H
#define _UBOOT_CRC_H

/* lib/crc8.c */
unsigned int crc8(unsigned int crc_start, const unsigned char *vptr, int len);

/* lib/crc32.c */
uint32_t crc32 (uint32_t, const unsigned char *, uint);
uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint);
uint32_t crc32_no_comp (uint32_t, const unsigned char *, uint);

/**
 * crc32_wd_buf - Perform CRC32 on a buffer and return result in buffer
 *
 * @input:	Input buffer
 * @ilen:	Input buffer length
 * @output:	Place to put checksum result (4 bytes)
 * @chunk_sz:	Trigger watchdog after processing this many bytes
 */
void crc32_wd_buf(const unsigned char *input, uint ilen,
		    unsigned char *output, uint chunk_sz);

#endif /* _UBOOT_CRC_H */
Commit	Line	Data
449609f5 PW	1	/*
	2	* (C) Copyright 2009
	3	* Marvell Semiconductor <www.marvell.com>
	4	* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
	5	*
1a459660	6	* SPDX-License-Identifier: GPL-2.0+
449609f5 PW	7	*/
	8
	9	#ifndef _UBOOT_CRC_H
	10	#define _UBOOT_CRC_H
	11
1d3c5392	12	/* lib/crc8.c */
	13	unsigned int crc8(unsigned int crc_start, const unsigned char *vptr, int len);
	14
78acc472	15	/* lib/crc32.c */
449609f5 PW	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
d20a40de SG	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
449609f5	31	#endif /* _UBOOT_CRC_H */