diff options
Diffstat (limited to 'arch/arm/mach-at91/at91rm9200.c')
| -rw-r--r-- | arch/arm/mach-at91/at91rm9200.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c new file mode 100644 index 00000000000..ec89806c9d5 --- /dev/null +++ b/arch/arm/mach-at91/at91rm9200.c @@ -0,0 +1,68 @@ +/* + * 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/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 <linux/clk-provider.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 <asm/system_misc.h> + +#include <mach/at91_st.h> + +#include "generic.h" + +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 rm9200_dt_device_init(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + + arm_pm_idle = at91rm9200_idle; + arm_pm_restart = at91rm9200_restart; + at91_rm9200_pm_init(); +} + + + +static const char *at91rm9200_dt_board_compat[] __initconst = { + "atmel,at91rm9200", + NULL +}; + +DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200 (Device Tree)") + .init_time = at91rm9200_dt_timer_init, + .map_io = at91_map_io, + .init_early = at91_dt_initialize, + .init_machine = rm9200_dt_device_init, + .dt_compat = at91rm9200_dt_board_compat, +MACHINE_END |