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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28 lines
671 B
28 lines
671 B
/*
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* net.h - misc Blackfin network helpers
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*
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* Copyright (c) 2008-2009 Analog Devices Inc.
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*
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* Licensed under the GPL-2 or later.
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*/
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#ifndef __ASM_BFIN_RAND_MAC__
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#define __ASM_BFIN_RAND_MAC__
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/* If the board does not have a real MAC assigned to it, then generate a
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* locally administrated pseudo-random one based on CYCLES and compile date.
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*/
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static inline void bfin_gen_rand_mac(uchar *mac_addr)
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{
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/* make something up */
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const char s[] = __DATE__;
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size_t i;
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u32 cycles;
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for (i = 0; i < 6; ++i) {
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asm("%0 = CYCLES;" : "=r" (cycles));
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mac_addr[i] = cycles ^ s[i];
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}
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mac_addr[0] = (mac_addr[0] | 0x02) & ~0x01; /* make it local unicast */
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}
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#endif
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