source: SVN/rincon/u-boot/cpu/arm720t/lpc2292/spi.c @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 22 months ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 1.2 KB
Line 
1/*
2    This module implements an interface to the SPI on the lpc22xx.
3    Copyright (C) 2006  Embedded Artists AB (www.embeddedartists.com)
4
5    This program is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 2 of the License, or
8    (at your option) any later version.
9
10    This program is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13    GNU General Public License for more details.
14
15    You should have received a copy of the GNU General Public License
16    along with this program; if not, write to the Free Software
17    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18*/
19
20#include <config.h>
21#include <common.h>
22#include <asm/errno.h>
23#include <asm/arch/hardware.h>
24#include <asm/arch/spi.h>
25
26unsigned long spi_flags;
27unsigned char spi_idle = 0x00;
28
29int spi_init(void)
30{
31        unsigned long pinsel0_value;
32
33        /* activate spi pins */
34        pinsel0_value = GET32(PINSEL0);
35        pinsel0_value &= ~(0xFFl << 8);
36        pinsel0_value |= (0x55l << 8);
37        PUT32(PINSEL0, pinsel0_value);
38
39        return 0;
40}
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