Linux Kernel  3.7.1
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prom.c
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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.
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, [email protected]
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 <asm/bootinfo.h>
41 #include <asm/txx9/generic.h>
42 #include <asm/txx9/jmr3927.h>
43 
45 {
46  /* CCFG */
47  if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0)
48  printk(KERN_ERR "TX3927 TLB off\n");
49 
51  txx9_sio_putchar_init(TX3927_SIO_REG(1));
52 }