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/*
* Copyright (C) 2009
* Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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 <common.h>
#include <asm/arch/hardware.h>
#include <asm/arch/at91_spi.h>
#include <asm/arch/gpio.h>
#include <spi.h>
#define SBC_A9260_CS0_PIN AT91_PIN_PA3
#define SBC_A9260_CS1_PIN AT91_PIN_PC11
int spi_cs_is_valid(unsigned int bus, unsigned int cs)
{
return bus == 0 && (cs == 1 || cs == 0);
}
void spi_cs_activate(struct spi_slave *slave)
{
if(slave->cs == 0)
at91_set_gpio_value(SBC_A9260_CS0_PIN, 0);
else if(slave->cs == 1)
at91_set_gpio_value(SBC_A9260_CS1_PIN, 0);
}
void spi_cs_deactivate(struct spi_slave *slave)
{
if(slave->cs == 0)
at91_set_gpio_value(SBC_A9260_CS0_PIN, 1);
else if(slave->cs == 1)
at91_set_gpio_value(SBC_A9260_CS1_PIN, 1);
}
void spi_init_f(void)
{
/* everything done in board_init */
}
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