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/*
* Copyright (C) 2003 by Greg Watson, Los Alamos National Laboratory
* gwatson@lanl.gov
*/
#include <board.h>
#include <sdram.h>
extern unsigned _iseg[];
extern unsigned _liseg[];
extern unsigned _eliseg[];
void (*payload)(void) = (void (*)(void))_iseg;
/*
* At this point we're running out of flash with our
* stack in cache ram. We need to do the following:
*
* - turn on real memory
* - relocate our payload into real memory
* - start hardwaremain() which does remainder of setup
*/
extern void flush_dcache(void);
void ppc_main(void)
{
unsigned *from;
unsigned *to;
/*
* very early board initialization
*/
board_init();
/*
* turn on memory
*/
memory_init();
/*
* final initialization before jumping to payload
*/
board_init2();
/*
* Flush cache now that memory is enabled.
*/
flush_dcache();
/*
* Relocate payload (text & data) if necessary
*/
if (_liseg != _iseg) {
from = _liseg;
to = _iseg;
while (from < _eliseg)
*to++ = *from++;
}
payload();
/* NOT REACHED */
}
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