1 /* SPDX-License-Identifier: GPL-2.0+ */
4 * Marvell Semiconductor <www.marvell.com>
5 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
12 unsigned int crc8(unsigned int crc_start, const unsigned char *vptr, int len);
14 /* lib/crc16.c - 16 bit CRC with polynomial x^16+x^12+x^5+1 (CRC-CCITT) */
15 uint16_t crc16_ccitt(uint16_t crc_start, const unsigned char *s, int len);
17 * crc16_ccitt_wd_buf - Perform CRC16-CCIT on an input buffer and return the
18 * 16-bit result (network byte-order) in an output buffer
21 * @len: input buffer length
22 * @out: output buffer (at least 2 bytes)
25 void crc16_ccitt_wd_buf(const uint8_t *in, uint len,
26 uint8_t *out, uint chunk_sz);
29 uint32_t crc32 (uint32_t, const unsigned char *, uint);
30 uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint);
31 uint32_t crc32_no_comp (uint32_t, const unsigned char *, uint);
34 * crc32_wd_buf - Perform CRC32 on a buffer and return result in buffer
36 * @input: Input buffer
37 * @ilen: Input buffer length
38 * @output: Place to put checksum result (4 bytes)
39 * @chunk_sz: Trigger watchdog after processing this many bytes
41 void crc32_wd_buf(const unsigned char *input, uint ilen,
42 unsigned char *output, uint chunk_sz);
45 void crc32c_init(uint32_t *, uint32_t);
46 uint32_t crc32c_cal(uint32_t, const char *, int, uint32_t *);
48 #endif /* _UBOOT_CRC_H */