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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/mips/pmc-sierra/msp71xx/
1/*
2 * Sets up the proper Chip Select configuration registers.  It is assumed that
3 * PMON sets up the ADDR and MASK registers properly.
4 *
5 * Copyright 2005-2006 PMC-Sierra, Inc.
6 * Author: Marc St-Jean, Marc_St-Jean@pmc-sierra.com
7 *
8 *  This program is free software; you can redistribute  it and/or modify it
9 *  under  the terms of  the GNU General  Public License as published by the
10 *  Free Software Foundation;  either version 2 of the  License, or (at your
11 *  option) any later version.
12 *
13 *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
14 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
15 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
16 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
17 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
19 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
21 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 *  You should have received a copy of the  GNU General Public License along
25 *  with this program; if not, write  to the Free Software Foundation, Inc.,
26 *  675 Mass Ave, Cambridge, MA 02139, USA.
27 */
28
29#include <linux/kernel.h>
30#include <linux/init.h>
31#include <msp_regs.h>
32
33static int __init msp_elb_setup(void)
34{
35#if defined(CONFIG_PMC_MSP7120_GW) || defined(CONFIG_PMC_MSP7120_EVAL)
36	/*
37	 * Force all CNFG to be identical and equal to CS0,
38	 * according to OPS doc
39	 */
40	*CS1_CNFG_REG = *CS2_CNFG_REG = *CS3_CNFG_REG = *CS0_CNFG_REG;
41#endif
42	return 0;
43}
44
45subsys_initcall(msp_elb_setup);
46