2012-10-29 02:31:09 +08:00
|
|
|
/*
|
2015-01-27 23:41:55 +08:00
|
|
|
* Setup code for AT91RM9200
|
2012-10-29 02:31:09 +08:00
|
|
|
*
|
|
|
|
* Copyright (C) 2011 Atmel,
|
|
|
|
* 2011 Nicolas Ferre <nicolas.ferre@atmel.com>
|
|
|
|
* 2012 Joachim Eastwood <manabian@gmail.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>
|
2015-01-15 22:59:27 +08:00
|
|
|
#include <linux/of_platform.h>
|
2014-09-05 22:15:33 +08:00
|
|
|
#include <linux/clk-provider.h>
|
2012-10-29 02:31:09 +08:00
|
|
|
|
|
|
|
#include <asm/setup.h>
|
|
|
|
#include <asm/irq.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <asm/mach/irq.h>
|
2015-01-27 02:02:54 +08:00
|
|
|
#include <asm/system_misc.h>
|
|
|
|
|
|
|
|
#include <mach/at91_st.h>
|
2012-10-29 02:31:09 +08:00
|
|
|
|
|
|
|
#include "generic.h"
|
|
|
|
|
2015-01-27 02:02:54 +08:00
|
|
|
static void at91rm9200_restart(enum reboot_mode reboot_mode, const char *cmd)
|
|
|
|
{
|
|
|
|
/*
|
|
|
|
* Perform a hardware reset with the use of the Watchdog timer.
|
|
|
|
*/
|
|
|
|
at91_st_write(AT91_ST_WDMR, AT91_ST_RSTEN | AT91_ST_EXTEN | 1);
|
|
|
|
at91_st_write(AT91_ST_CR, AT91_ST_WDRST);
|
|
|
|
}
|
|
|
|
|
2014-09-05 22:15:33 +08:00
|
|
|
static void __init at91rm9200_dt_timer_init(void)
|
|
|
|
{
|
|
|
|
of_clk_init(NULL);
|
|
|
|
at91rm9200_timer_init();
|
|
|
|
}
|
|
|
|
|
2015-01-28 01:41:33 +08:00
|
|
|
static void __init at91rm9200_dt_device_init(void)
|
2015-01-15 22:59:27 +08:00
|
|
|
{
|
|
|
|
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
|
2015-01-23 18:47:37 +08:00
|
|
|
|
2015-01-27 02:02:54 +08:00
|
|
|
arm_pm_idle = at91rm9200_idle;
|
|
|
|
arm_pm_restart = at91rm9200_restart;
|
2015-01-28 01:41:33 +08:00
|
|
|
at91rm9200_pm_init();
|
2015-01-15 22:59:27 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
2015-01-23 00:19:04 +08:00
|
|
|
static const char *at91rm9200_dt_board_compat[] __initconst = {
|
2012-10-29 02:31:09 +08:00
|
|
|
"atmel,at91rm9200",
|
|
|
|
NULL
|
|
|
|
};
|
|
|
|
|
2015-01-28 01:41:33 +08:00
|
|
|
DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200")
|
2014-09-05 22:15:33 +08:00
|
|
|
.init_time = at91rm9200_dt_timer_init,
|
2012-10-29 02:31:09 +08:00
|
|
|
.map_io = at91_map_io,
|
2015-01-28 01:41:33 +08:00
|
|
|
.init_machine = at91rm9200_dt_device_init,
|
2012-10-29 02:31:09 +08:00
|
|
|
.dt_compat = at91rm9200_dt_board_compat,
|
|
|
|
MACHINE_END
|