txx9/rbtx4927/prom.c

0001 /*
0002  * rbtx4927 specific prom routines
0003  *
0004  * Author: MontaVista Software, Inc.
0005  *     source@mvista.com
0006  *
0007  * Copyright 2001-2002 MontaVista Software Inc.
0008  *
0009  * Copyright (C) 2004 MontaVista Software Inc.
0010  * Author: Manish Lachwani, mlachwani@mvista.com
0011  *
0012  *  This program is free software; you can redistribute it and/or modify it
0013  *  under the terms of the GNU General Public License as published by the
0014  *  Free Software Foundation; either version 2 of the License, or (at your
0015  *  option) any later version.
0016  *
0017  *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
0018  *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
0019  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
0020  *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
0021  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
0022  *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
0023  *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
0024  *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
0025  *  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
0026  *  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0027  *
0028  *  You should have received a copy of the GNU General Public License along
0029  *  with this program; if not, write to the Free Software Foundation, Inc.,
0030  *  675 Mass Ave, Cambridge, MA 02139, USA.
0031  */
0032
0033 #include <linux/init.h>
0034 #include <linux/memblock.h>
0035 #include <asm/txx9/generic.h>
0036 #include <asm/txx9/rbtx4927.h>
0037
0038 void __init rbtx4927_prom_init(void)
0039 {
0040     memblock_add(0, tx4927_get_mem_size());
0041     txx9_sio_putchar_init(TX4927_SIO_REG(0) & 0xfffffffffULL);
0042 }