2 * arch/arm/mach-at91/at91rm9200.c
4 * Copyright (C) 2005 SAN People
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
13 #include <linux/module.h>
14 #include <linux/clk/at91_pmc.h>
16 #include <asm/mach/map.h>
17 #include <asm/system_misc.h>
18 #include <mach/at91_st.h>
19 #include <mach/hardware.h>
24 static void at91rm9200_idle(void)
27 * Disable the processor clock. The processor will be automatically
28 * re-enabled by an interrupt or by a reset.
30 at91_pmc_write(AT91_PMC_SCDR, AT91_PMC_PCK);
33 static void at91rm9200_restart(enum reboot_mode reboot_mode, const char *cmd)
36 * Perform a hardware reset with the use of the Watchdog timer.
38 at91_st_write(AT91_ST_WDMR, AT91_ST_RSTEN | AT91_ST_EXTEN | 1);
39 at91_st_write(AT91_ST_CR, AT91_ST_WDRST);
42 /* --------------------------------------------------------------------
43 * AT91RM9200 processor initialization
44 * -------------------------------------------------------------------- */
45 static void __init at91rm9200_map_io(void)
48 at91_init_sram(0, AT91RM9200_SRAM_BASE, AT91RM9200_SRAM_SIZE);
51 static void __init at91rm9200_initialize(void)
53 arm_pm_idle = at91rm9200_idle;
54 arm_pm_restart = at91rm9200_restart;
58 AT91_SOC_START(at91rm9200)
59 .map_io = at91rm9200_map_io,
60 .init = at91rm9200_initialize,