On Mon, 6 Aug 2007 21:17:12 +0200
Aurelien Jarno <aurelien@xxxxxxxxxxx> wrote:
> The patch below against 2.6.23-rc1-mm2 adds support for BCM947xx CPUs.
> It originally comes from the OpenWrt patches.
<snip>
> --- a/arch/mips/bcm947xx/prom.c
> +++ b/arch/mips/bcm947xx/prom.c
> @@ -0,0 +1,58 @@
> +/*
> + * Copyright (C) 2004 Florian Schirmer <jolt@xxxxxxxxxx>
> + *
> + * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
> + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
> + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
> + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
> + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
> + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
> + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
> + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
> + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> + *
> + * You should have received a copy of the GNU General Public License along
> + * with this program; if not, write to the Free Software Foundation, Inc.,
> + * 675 Mass Ave, Cambridge, MA 02139, USA.
> + */
> +
> +#include <linux/init.h>
> +#include <linux/mm.h>
> +#include <linux/sched.h>
> +#include <linux/bootmem.h>
> +
> +#include <asm/addrspace.h>
> +#include <asm/bootinfo.h>
> +#include <asm/pmon.h>
> +
> +const char *get_system_type(void)
> +{
> + return "Broadcom BCM947xx";
> +}
> +
> +void __init prom_init(void)
> +{
> + unsigned long mem;
> +
> + mips_machgroup = MACH_GROUP_BRCM;
> + mips_machtype = MACH_BCM947XX;
If you don't have a plan using mips_machgroup/mips_machtype,
it is not a must.
Yoichi
