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https://github.com/AsahiLinux/u-boot
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41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
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/*
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This module implements an interface to the SPI on the lpc22xx.
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Copyright (C) 2006 Embedded Artists AB (www.embeddedartists.com)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <config.h>
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#include <common.h>
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#include <asm/errno.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/spi.h>
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unsigned long spi_flags;
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unsigned char spi_idle = 0x00;
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int spi_init(void)
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{
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unsigned long pinsel0_value;
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/* activate spi pins */
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pinsel0_value = GET32(PINSEL0);
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pinsel0_value &= ~(0xFFl << 8);
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pinsel0_value |= (0x55l << 8);
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PUT32(PINSEL0, pinsel0_value);
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return 0;
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}
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