diff options
| author | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2007-06-19 15:40:01 +0200 | 
|---|---|---|
| committer | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2007-06-19 15:40:01 +0200 | 
| commit | 448f5fea4c7dd531b69e4e60eed2a72b89b4ed6d (patch) | |
| tree | 022599b68a0e72f34f3f152f4a0056b557a06a44 /cpu/arm720t/lpc2292/spi.c | |
| parent | f2134f8e9eb006bdcd729e89f309c07b2fa45180 (diff) | |
| parent | 5ffa76a032279bc6d3230b703eda32d13305ba13 (diff) | |
Merge branch 'upstream'
Diffstat (limited to 'cpu/arm720t/lpc2292/spi.c')
| -rw-r--r-- | cpu/arm720t/lpc2292/spi.c | 40 | 
1 files changed, 40 insertions, 0 deletions
| diff --git a/cpu/arm720t/lpc2292/spi.c b/cpu/arm720t/lpc2292/spi.c new file mode 100644 index 00000000000..d296bdac686 --- /dev/null +++ b/cpu/arm720t/lpc2292/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 <asm/arch/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; +} | 
