u-boot/board/calao/tny_a9260/spi.c
Wolfgang Denk 1a4596601f Add GPL-2.0+ SPDX-License-Identifier to source files
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
2013-07-24 09:44:38 -04:00

34 lines
649 B
C

/*
* Copyright (C) 2009
* Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/hardware.h>
#include <asm/arch/at91_spi.h>
#include <asm/arch/gpio.h>
#include <spi.h>
#define TNY_A9260_CS_PIN AT91_PIN_PC11
int spi_cs_is_valid(unsigned int bus, unsigned int cs)
{
return bus == 0 && cs == 1;
}
void spi_cs_activate(struct spi_slave *slave)
{
at91_set_gpio_value(TNY_A9260_CS_PIN, 0);
}
void spi_cs_deactivate(struct spi_slave *slave)
{
at91_set_gpio_value(TNY_A9260_CS_PIN, 1);
}
void spi_init_f(void)
{
/* everything done in board_init */
}