/*
* Setup code for AT91SAM Evaluation Kits with Device Tree support
*
* Covers: * AT91SAM9G45-EKES board
* * AT91SAM9M10-EKES board
* * AT91SAM9M10G45-EK board
*
* Copyright (C) 2011 Atmel,
* 2011 Nicolas Ferre <nicolas.ferre@atmel.com>
*
* Licensed under GPLv2 or later.
*/
#include <linux/types.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/gpio.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <mach/board.h>
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include "generic.h"
static void __init ek_init_early(void)
{
/* Initialize processor: 12.000 MHz crystal */
at91_initialize(12000000);
}
static const struct of_device_id irq_of_match[] __initconst = {
{ .compatible = "atmel,at91rm9200-aic", .data = at91_aic_of_init },
{ .compatible = "atmel,at91rm9200-gpio", .data = at91_gpio_of_irq_setup },
{ .compatible = "atmel,at91sam9x5-gpio", .data = at91_gpio_of_irq_setup },
{ /*sentinel*/ }
};
static void __init at91_dt_init_irq(void)
{
of_irq_init(irq_of_match);
}
static void __init at91_dt_device_init(void)
{
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
static const char *at91_dt_board_compat[] __initdata = {
"atmel,at91sam9m10g45ek",
"atmel,at91sam9x5ek",
"calao,usb-a9g20",
NULL
};
DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)")
/* Maintainer: Atmel */
.timer = &at91sam926x_timer,
.map_io = at91_map_io,
.init_early = ek_init_early,
.init_irq = at91_dt_init_irq,
.init_machine = at91_dt_device_init,
.dt_compat = at91_dt_board_compat,
MACHINE_END
