93 lines
2.3 KiB
C
93 lines
2.3 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <debug_ll.h>
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#include <common.h>
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#include <watchdog.h>
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#include <command.h>
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#include <malloc.h>
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#include <mem_malloc.h>
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#include <init.h>
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#include <net.h>
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#include <reloc.h>
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char *strmhz (char *buf, long hz)
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{
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long l, n;
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long m;
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n = hz / 1000000L;
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l = sprintf (buf, "%ld", n);
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m = (hz % 1000000L) / 1000L;
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if (m != 0)
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sprintf (buf + l, ".%03ld", m);
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return (buf);
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}
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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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_text_base += reloc_offset();
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/*
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* FIXME: 128k stack size. Is this enough? should
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* it be configurable?
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*/
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malloc_end = (_text_base - (128 << 10)) & ~(4095);
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debug("malloc_end: 0x%08x\n", malloc_end);
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debug("TEXT_BASE after relocation: 0x%08x\n", _text_base);
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mem_malloc_init((void *)(malloc_end - CFG_MALLOC_LEN), (void *)malloc_end);
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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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/*
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* Enable Interrupts
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*/
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#ifdef CONFIG_INTERRUPTS
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interrupt_init ();
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#endif
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/* Initialization complete - start the monitor */
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start_uboot();
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}
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