linux_dsm_epyc7002/arch/arm/mach-at91/board-dt.c
Ludovic Desroches 3e13546674 ARM: at91: at91 based machines specify their own irq handler at run time
SOC_AT91SAM9 selects MULTI_IRQ_HANDLER in order to let machines specify their
own IRQ handler at run time.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2012-07-02 14:26:58 +02:00

63 lines
1.5 KiB
C

/*
* Setup code for AT91SAM Evaluation Kits with Device Tree support
*
* 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 <mach/at91_aic.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 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,at91sam9",
NULL
};
DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)")
/* Maintainer: Atmel */
.timer = &at91sam926x_timer,
.map_io = at91_map_io,
.handle_irq = at91_aic_handle_irq,
.init_early = at91_dt_initialize,
.init_irq = at91_dt_init_irq,
.init_machine = at91_dt_device_init,
.dt_compat = at91_dt_board_compat,
MACHINE_END