aabdf02cdd
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1350 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
55 lines
919 B
C
55 lines
919 B
C
/*
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* Copyright (C) 2003 by Greg Watson, Los Alamos National Laboratory
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* gwatson@lanl.gov
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*/
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#include <board.h>
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#include <sdram.h>
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extern unsigned _iseg[];
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extern unsigned _liseg[];
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extern unsigned _eliseg[];
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void (*payload)(void) = (void (*)(void))_iseg;
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/*
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* At this point we're running out of flash with our
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* stack in cache ram. We need to do the following:
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*
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* - turn on real memory
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* - relocate our payload into real memory
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* - start hardwaremain() which does remainder of setup
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*/
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extern void flush_dcache(void);
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void ppc_main(void)
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{
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unsigned *from;
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unsigned *to;
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board_init();
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sdram_init();
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/*
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* Relocate payload (text & data) if necessary
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*/
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if (_liseg != _iseg) {
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from = _liseg;
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to = _iseg;
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while (from < _eliseg)
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*to++ = *from++;
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}
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/*
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* Flush cache to memory because linux will try and
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* invalidate it.
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*/
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flush_dcache();
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payload();
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/* NOT REACHED */
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}
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