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Diffstat (limited to 'cpu/arm720t/lpc2292/spi.c')
-rw-r--r--cpu/arm720t/lpc2292/spi.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/cpu/arm720t/lpc2292/spi.c b/cpu/arm720t/lpc2292/spi.c
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+++ b/cpu/arm720t/lpc2292/spi.c
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+/*
+ 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;
+}