upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.6 KiB
57 lines
1.6 KiB
/*
|
|
* 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 */
|
|
}
|
|
|