mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-20 18:54:09 +08:00
3e13546674
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>
63 lines
1.5 KiB
C
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
|