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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u-boot/include/bcd.h

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/* Permission is hereby granted to copy, modify and redistribute this code
* in terms of the GNU Library General Public License, Version 2 or later,
* at your option.
*/
/* inline functions to translate to/from binary and binary-coded decimal
* (frequently found in RTC chips).
*/
#ifndef _BCD_H
#define _BCD_H
#include <linux/types.h>
static inline unsigned int bcd2bin(u8 val)
{
return ((val) & 0x0f) + ((val) >> 4) * 10;
}
static inline u8 bin2bcd (unsigned int val)
{
return (((val / 10) << 4) | (val % 10));
}
#endif /* _BCD_H */