Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
[pandora-kernel.git] / arch / arm / mach-at91 / at91rm9200.c
1 /*
2  *  Setup code for AT91RM9200
3  *
4  *  Copyright (C) 2011 Atmel,
5  *                2011 Nicolas Ferre <nicolas.ferre@atmel.com>
6  *                2012 Joachim Eastwood <manabian@gmail.com>
7  *
8  * Licensed under GPLv2 or later.
9  */
10
11 #include <linux/types.h>
12 #include <linux/init.h>
13 #include <linux/module.h>
14 #include <linux/gpio.h>
15 #include <linux/of.h>
16 #include <linux/of_irq.h>
17 #include <linux/of_platform.h>
18 #include <linux/clk-provider.h>
19
20 #include <asm/setup.h>
21 #include <asm/irq.h>
22 #include <asm/mach/arch.h>
23 #include <asm/mach/map.h>
24 #include <asm/mach/irq.h>
25 #include <asm/system_misc.h>
26
27 #include <mach/at91_st.h>
28
29 #include "generic.h"
30
31 static void at91rm9200_restart(enum reboot_mode reboot_mode, const char *cmd)
32 {
33         /*
34          * Perform a hardware reset with the use of the Watchdog timer.
35          */
36         at91_st_write(AT91_ST_WDMR, AT91_ST_RSTEN | AT91_ST_EXTEN | 1);
37         at91_st_write(AT91_ST_CR, AT91_ST_WDRST);
38 }
39
40 static void __init at91rm9200_dt_timer_init(void)
41 {
42         of_clk_init(NULL);
43         at91rm9200_timer_init();
44 }
45
46 static void __init at91rm9200_dt_device_init(void)
47 {
48         of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
49
50         arm_pm_idle = at91rm9200_idle;
51         arm_pm_restart = at91rm9200_restart;
52         at91rm9200_pm_init();
53 }
54
55
56
57 static const char *at91rm9200_dt_board_compat[] __initconst = {
58         "atmel,at91rm9200",
59         NULL
60 };
61
62 DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200")
63         .init_time      = at91rm9200_dt_timer_init,
64         .map_io         = at91_map_io,
65         .init_machine   = at91rm9200_dt_device_init,
66         .dt_compat      = at91rm9200_dt_board_compat,
67 MACHINE_END