35c49577de
Memory regions on MPC85xx boards are incorrectly defined leading to corruption when running memory tests. This patch updates the memory layout of MPC85xx boards so that critical memory regions can be correctly reserved during the memory test. Tested on the P2020RDB and DA923RC. Signed-off-by: Renaud Barbier <renaud.barbier@ge.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/*
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* (C) Copyright 2000-2006
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <debug_ll.h>
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#include <common.h>
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#include <command.h>
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#include <malloc.h>
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#include <memory.h>
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#include <init.h>
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#include <net.h>
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#include <asm-generic/memory_layout.h>
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/************************************************************************
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*
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* This is the next part if the initialization sequence: we are now
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* running from RAM and have a "normal" C environment, i. e. global
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* data can be written, BSS has been cleared, the stack size in not
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* that critical any more, etc.
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*
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************************************************************************
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*/
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void board_init_r (ulong end_of_ram)
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{
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unsigned long malloc_end;
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asm ("sync ; isync");
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#ifdef CONFIG_MPC85xx
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_text_base = end_of_ram;
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#endif
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malloc_end = (_text_base - STACK_SIZE) & ~(4095);
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debug("malloc_end: 0x%08lx\n", malloc_end);
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debug("TEXT_BASE after relocation: 0x%08lx\n", _text_base);
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mem_malloc_init((void *)(malloc_end - MALLOC_SIZE), (void *)(malloc_end - 1));
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/*
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* Setup trap handlers
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*/
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trap_init (0);
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/* Initialization complete - start the monitor */
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start_barebox();
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}
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