upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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96 lines
3.3 KiB
96 lines
3.3 KiB
/*
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* Copyright (c) 2012 The Chromium OS Authors.
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef _HASH_H
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#define _HASH_H
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#if defined(CONFIG_SHA1SUM_VERIFY) || defined(CONFIG_CRC32_VERIFY)
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#define CONFIG_HASH_VERIFY
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#endif
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struct hash_algo {
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const char *name; /* Name of algorithm */
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int digest_size; /* Length of digest */
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/**
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* hash_func_ws: Generic hashing function
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*
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* This is the generic prototype for a hashing function. We only
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* have the watchdog version at present.
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*
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* @input: Input buffer
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* @ilen: Input buffer length
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* @output: Checksum result (length depends on algorithm)
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* @chunk_sz: Trigger watchdog after processing this many bytes
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*/
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void (*hash_func_ws)(const unsigned char *input, unsigned int ilen,
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unsigned char *output, unsigned int chunk_sz);
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int chunk_size; /* Watchdog chunk size */
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};
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/*
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* Maximum digest size for all algorithms we support. Having this value
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* avoids a malloc() or C99 local declaration in common/cmd_hash.c.
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*/
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#define HASH_MAX_DIGEST_SIZE 32
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enum {
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HASH_FLAG_VERIFY = 1 << 0, /* Enable verify mode */
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HASH_FLAG_ENV = 1 << 1, /* Allow env vars */
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};
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/**
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* hash_command: Process a hash command for a particular algorithm
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*
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* This common function is used to implement specific hash commands.
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*
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* @algo_name: Hash algorithm being used (lower case!)
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* @flags: Flags value (HASH_FLAG_...)
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* @cmdtp: Pointer to command table entry
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* @flag: Some flags normally 0 (see CMD_FLAG_.. above)
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* @argc: Number of arguments (arg 0 must be the command text)
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* @argv: Arguments
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*/
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int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag,
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int argc, char * const argv[]);
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/**
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* hash_block() - Hash a block according to the requested algorithm
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*
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* The caller probably knows the hash length for the chosen algorithm, but
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* in order to provide a general interface, and output_size parameter is
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* provided.
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*
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* @algo_name: Hash algorithm to use
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* @data: Data to hash
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* @len: Lengh of data to hash in bytes
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* @output: Place to put hash value
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* @output_size: On entry, pointer to the number of bytes available in
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* output. On exit, pointer to the number of bytes used.
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* If NULL, then it is assumed that the caller has
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* allocated enough space for the hash. This is possible
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* since the caller is selecting the algorithm.
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* @return 0 if ok, -ve on error: -EPROTONOSUPPORT for an unknown algorithm,
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* -ENOSPC if the output buffer is not large enough.
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*/
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int hash_block(const char *algo_name, const void *data, unsigned int len,
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uint8_t *output, int *output_size);
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#endif
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