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openwrt-xburst/openwrt/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/prom.c
wbx 2cea1e6b9a add all source code from linksys/broadcom which is free, to cvs for better maintainence inside
openwrt. this gives us the ability to better support different hardware models, without changing
any external tar-balls. only et.o and wl.o is missing and is fetched from my webserver.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@379 3c298f89-4303-0410-b956-a3cf2f4a3e73
2005-03-16 13:50:00 +00:00

42 lines
1.0 KiB
C

/*
* Early initialization code for BCM94710 boards
*
* Copyright 2004, Broadcom Corporation
* All Rights Reserved.
*
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
*
* $Id$
*/
#include <linux/config.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <asm/bootinfo.h>
void __init
prom_init(int argc, const char **argv)
{
unsigned long mem;
mips_machgroup = MACH_GROUP_BRCM;
mips_machtype = MACH_BCM947XX;
/* Figure out memory size by finding aliases */
for (mem = (1 << 20); mem < (128 << 20); mem += (1 << 20)) {
if (*(unsigned long *)((unsigned long)(prom_init) + mem) ==
*(unsigned long *)(prom_init))
break;
}
add_memory_region(0, mem, BOOT_MEM_RAM);
}
void __init
prom_free_prom_memory(void)
{
}