From 160131bf965785419626df6c388729fe0b597992 Mon Sep 17 00:00:00 2001 From: Peter Pearse Date: Wed, 9 May 2007 11:41:58 +0100 Subject: Add the files for the SMN42 board --- cpu/arm720t/lpc2292/spi.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 cpu/arm720t/lpc2292/spi.c (limited to 'cpu/arm720t/lpc2292/spi.c') diff --git a/cpu/arm720t/lpc2292/spi.c b/cpu/arm720t/lpc2292/spi.c new file mode 100644 index 0000000..d296bda --- /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 +#include +#include +#include +#include + +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; +} -- cgit v1.1