1 /*
2  * BRIEF MODULE DESCRIPTION
3  *    PROM library initialisation code, assuming a version of
4  *    pmon is the boot code.
5  *
6  * Copyright 2001 MontaVista Software Inc.
7  * Author: MontaVista Software, Inc.
8  *              ahennessy@mvista.com
9  *
10  * Based on arch/mips/au1000/common/prom.c
11  *
12  * This file was derived from Carsten Langgaard's
13  * arch/mips/mips-boards/xx files.
14  *
15  * Carsten Langgaard, carstenl@mips.com
16  * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
17  *
18  *  This program is free software; you can redistribute  it and/or modify it
19  *  under  the terms of  the GNU General  Public License as published by the
20  *  Free Software Foundation;  either version 2 of the  License, or (at your
21  *  option) any later version.
22  *
23  *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
24  *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
25  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
26  *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
27  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28  *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
29  *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
30  *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
31  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  *
34  *  You should have received a copy of the  GNU General Public License along
35  *  with this program; if not, write  to the Free Software Foundation, Inc.,
36  *  675 Mass Ave, Cambridge, MA 02139, USA.
37  */
38 #include <linux/init.h>
39 #include <linux/kernel.h>
40 #include <linux/memblock.h>
41 #include <asm/txx9/generic.h>
42 #include <asm/txx9/jmr3927.h>
43 
jmr3927_prom_init(void)44 void __init jmr3927_prom_init(void)
45 {
46 	/* CCFG */
47 	if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0)
48 		pr_err("TX3927 TLB off\n");
49 
50 	memblock_add(0, JMR3927_SDRAM_SIZE);
51 	txx9_sio_putchar_init(TX3927_SIO_REG(1));
52 }
53