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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80 lines
2.3 KiB
80 lines
2.3 KiB
/*
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* (C) Copyright 2001
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* Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
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*
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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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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#define __ASSEMBLY__ /* Dirty trick to get only #defines */
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#include <config.h>
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#undef __ASSEMBLY__
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#if defined(CFG_ENV_IS_IN_FLASH)
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# ifndef CFG_ENV_ADDR
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# define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET)
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# endif
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# ifndef CFG_ENV_OFFSET
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# define CFG_ENV_OFFSET (CFG_ENV_ADDR - CFG_FLASH_BASE)
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# endif
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# ifndef CFG_ENV_SIZE
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# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
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# endif
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# if ((CFG_ENV_ADDR >= CFG_MONITOR_BASE) && \
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((CFG_ENV_ADDR+CFG_ENV_SIZE) <= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)))
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# define ENV_IS_EMBEDDED
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# endif
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#endif /* CFG_ENV_IS_IN_FLASH */
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extern unsigned long crc32 (unsigned long, const unsigned char *, unsigned int);
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#ifdef ENV_IS_EMBEDDED
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extern unsigned int env_size;
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extern unsigned char environment;
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#endif /* ENV_IS_EMBEDDED */
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int main (int argc, char **argv)
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{
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#ifdef ENV_IS_EMBEDDED
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int crc ;
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unsigned char *envptr = &environment,
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*dataptr = envptr + sizeof(unsigned int) + 1;
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unsigned int datasize = env_size - (dataptr - envptr) ;
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crc = crc32(0, dataptr, datasize) ;
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/* Check if verbose mode is activated passing a parameter to the program */
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if (argc > 1) {
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printf("CRC32 from offset %08X to %08X of environment = %08X\n",
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(unsigned int)(dataptr - envptr),
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(unsigned int)(dataptr - envptr) + datasize,
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crc);
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} else {
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printf("0x%08X\n", crc);
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}
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#else
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printf("0\n");
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#endif
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return EXIT_SUCCESS;
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}
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