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/*
* Setup code for AT91RM9200
*
* Copyright (C) 2011 Atmel,
* 2011 Nicolas Ferre <nicolas.ferre@atmel.com>
* 2012 Joachim Eastwood <manabian@gmail.com>
*
* Licensed under GPLv2 or later.
*/
#include <linux/clk-provider.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <asm/mach/arch.h>
#include <asm/system_misc.h>
#include <mach/at91_st.h>
#include "generic.h"
#include "soc.h"
static const struct at91_soc rm9200_socs[] = {
AT91_SOC(AT91RM9200_CIDR_MATCH, 0, "at91rm9200 BGA", "at91rm9200"),
{ /* sentinel */ },
};
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);
}
static void __init at91rm9200_dt_timer_init(void)
{
of_clk_init(NULL);
at91rm9200_timer_init();
}
static void __init at91rm9200_dt_device_init(void)
{
struct soc_device *soc;
struct device *soc_dev = NULL;
soc = at91_soc_init(rm9200_socs);
if (soc != NULL)
soc_dev = soc_device_to_device(soc);
of_platform_populate(NULL, of_default_bus_match_table, NULL, soc_dev);
arm_pm_idle = at91rm9200_idle;
arm_pm_restart = at91rm9200_restart;
at91rm9200_pm_init();
}
static const char *at91rm9200_dt_board_compat[] __initconst = {
"atmel,at91rm9200",
NULL
};
DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200")
.init_time = at91rm9200_dt_timer_init,
.init_machine = at91rm9200_dt_device_init,
.dt_compat = at91rm9200_dt_board_compat,
MACHINE_END
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