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barebox/arch/ppc/lib/board.c

66 lines
1.7 KiB
C

/*
* (C) Copyright 2000-2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <debug_ll.h>
#include <common.h>
#include <command.h>
#include <malloc.h>
#include <memory.h>
#include <init.h>
#include <net.h>
#include <asm-generic/memory_layout.h>
/************************************************************************
*
* This is the next part if the initialization sequence: we are now
* running from RAM and have a "normal" C environment, i. e. global
* data can be written, BSS has been cleared, the stack size in not
* that critical any more, etc.
*
************************************************************************
*/
void board_init_r (ulong end_of_ram)
{
unsigned long malloc_end;
asm ("sync ; isync");
#ifdef CONFIG_MPC85xx
_text_base = end_of_ram;
#endif
malloc_end = (_text_base - STACK_SIZE) & ~(4095);
debug("malloc_end: 0x%08lx\n", malloc_end);
debug("TEXT_BASE after relocation: 0x%08lx\n", _text_base);
mem_malloc_init((void *)(malloc_end - MALLOC_SIZE), (void *)(malloc_end - 1));
/*
* Setup trap handlers
*/
trap_init (0);
/* Initialization complete - start the monitor */
start_barebox();
}