2012-10-28 19:31:09 +01:00
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/*
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2015-01-27 16:41:55 +01:00
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* Setup code for AT91RM9200
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2012-10-28 19:31:09 +01:00
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*
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* Copyright (C) 2011 Atmel,
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* 2011 Nicolas Ferre <nicolas.ferre@atmel.com>
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* 2012 Joachim Eastwood <manabian@gmail.com>
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*
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* Licensed under GPLv2 or later.
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/gpio.h>
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#include <linux/of.h>
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#include <linux/of_irq.h>
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2015-01-15 15:59:27 +01:00
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#include <linux/of_platform.h>
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2014-09-05 16:15:33 +02:00
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#include <linux/clk-provider.h>
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2012-10-28 19:31:09 +01:00
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#include <asm/setup.h>
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#include <asm/irq.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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2015-01-26 19:02:54 +01:00
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#include <asm/system_misc.h>
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#include <mach/at91_st.h>
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2012-10-28 19:31:09 +01:00
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#include "generic.h"
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2015-01-26 19:02:54 +01:00
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static void at91rm9200_restart(enum reboot_mode reboot_mode, const char *cmd)
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{
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/*
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* Perform a hardware reset with the use of the Watchdog timer.
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*/
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at91_st_write(AT91_ST_WDMR, AT91_ST_RSTEN | AT91_ST_EXTEN | 1);
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at91_st_write(AT91_ST_CR, AT91_ST_WDRST);
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}
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2014-09-05 16:15:33 +02:00
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static void __init at91rm9200_dt_timer_init(void)
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{
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of_clk_init(NULL);
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at91rm9200_timer_init();
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}
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2015-01-27 18:41:33 +01:00
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static void __init at91rm9200_dt_device_init(void)
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2015-01-15 15:59:27 +01:00
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{
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of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
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2015-01-23 11:47:37 +01:00
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2015-01-26 19:02:54 +01:00
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arm_pm_idle = at91rm9200_idle;
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arm_pm_restart = at91rm9200_restart;
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2015-01-27 18:41:33 +01:00
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at91rm9200_pm_init();
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2015-01-15 15:59:27 +01:00
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}
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2015-01-22 17:19:04 +01:00
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static const char *at91rm9200_dt_board_compat[] __initconst = {
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2012-10-28 19:31:09 +01:00
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"atmel,at91rm9200",
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NULL
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};
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2015-01-27 18:41:33 +01:00
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DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200")
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2014-09-05 16:15:33 +02:00
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.init_time = at91rm9200_dt_timer_init,
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2012-10-28 19:31:09 +01:00
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.map_io = at91_map_io,
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2015-01-27 18:41:33 +01:00
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.init_machine = at91rm9200_dt_device_init,
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2012-10-28 19:31:09 +01:00
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.dt_compat = at91rm9200_dt_board_compat,
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MACHINE_END
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