| /* |
| 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; |
| } |
