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Diffstat (limited to 'board/lpc2292sodimm/spi.c')
| -rw-r--r-- | board/lpc2292sodimm/spi.c | 40 | 
1 files changed, 40 insertions, 0 deletions
| diff --git a/board/lpc2292sodimm/spi.c b/board/lpc2292sodimm/spi.c new file mode 100644 index 000000000..4ba1468f3 --- /dev/null +++ b/board/lpc2292sodimm/spi.c @@ -0,0 +1,40 @@ +/* +    This module implements an interface to the SPI on the lpc22xx. +    Copyright (C) 2006  Embedded Artists AB (www.embeddedartists.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 program is distributed in the hope that it will be useful, +    but WITHOUT ANY WARRANTY; without even the implied warranty of +    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the +    GNU General Public License for more details. + +    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA +*/ + +#include <config.h> +#include <common.h> +#include <asm/errno.h> +#include <asm/arch/hardware.h> +#include "spi.h" + +unsigned long spi_flags; +unsigned char spi_idle = 0x00; + +int spi_init(void) +{ +	unsigned long pinsel0_value; + +	/* activate spi pins */ +	pinsel0_value = GET32(PINSEL0); +	pinsel0_value &= ~(0xFFl << 8); +	pinsel0_value |= (0x55l << 8); +	PUT32(PINSEL0, pinsel0_value); + +	return 0; +} |