diff options
Diffstat (limited to 'arch/mips/pmcs-msp71xx/msp_elb.c')
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_elb.c | 46 | 
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/mips/pmcs-msp71xx/msp_elb.c b/arch/mips/pmcs-msp71xx/msp_elb.c new file mode 100644 index 00000000000..3e964100721 --- /dev/null +++ b/arch/mips/pmcs-msp71xx/msp_elb.c @@ -0,0 +1,46 @@ +/* + * Sets up the proper Chip Select configuration registers.  It is assumed that + * PMON sets up the ADDR and MASK registers properly. + * + * Copyright 2005-2006 PMC-Sierra, Inc. + * Author: Marc St-Jean, Marc_St-Jean@pmc-sierra.com + * + *  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/kernel.h> +#include <linux/init.h> +#include <msp_regs.h> + +static int __init msp_elb_setup(void) +{ +#if defined(CONFIG_PMC_MSP7120_GW) \ + || defined(CONFIG_PMC_MSP7120_EVAL) +	/* +	 * Force all CNFG to be identical and equal to CS0, +	 * according to OPS doc +	 */ +	*CS1_CNFG_REG = *CS2_CNFG_REG = *CS3_CNFG_REG = *CS0_CNFG_REG; +#endif +	return 0; +} + +subsys_initcall(msp_elb_setup);  | 
