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openwrt-xburst/target/linux/brcm-2.4/files/arch/mips/bcm947xx/prom.c
nbd 7ed9009bbd convert brcm-2.4 to the new target structure
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7092 3c298f89-4303-0410-b956-a3cf2f4a3e73
2007-05-04 22:13:42 +00:00

42 lines
1.1 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: prom.c,v 1.1 2005/03/16 13:49:59 wbx Exp $
*/
#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)
{
}