diff options
Diffstat (limited to 'arch/arm/mach-ixp4xx/include/mach/system.h')
-rw-r--r-- | arch/arm/mach-ixp4xx/include/mach/system.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/include/mach/system.h b/arch/arm/mach-ixp4xx/include/mach/system.h new file mode 100644 index 0000000..92a7e8d --- /dev/null +++ b/arch/arm/mach-ixp4xx/include/mach/system.h @@ -0,0 +1,42 @@ +/* + * arch/arm/mach-ixp4xx/include/mach/system.h + * + * Copyright (C) 2002 Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <mach/hardware.h> + +static inline void arch_idle(void) +{ +#if 0 + if (!hlt_counter) + cpu_do_idle(0); +#endif +} + + +static inline void arch_reset(char mode) +{ + if ( 1 && mode == 's') { + /* Jump into ROM at address 0 */ + cpu_reset(0); + } else { + /* Use on-chip reset capability */ + + /* set the "key" register to enable access to + * "timer" and "enable" registers + */ + *IXP4XX_OSWK = IXP4XX_WDT_KEY; + + /* write 0 to the timer register for an immediate reset */ + *IXP4XX_OSWT = 0; + + *IXP4XX_OSWE = IXP4XX_WDT_RESET_ENABLE | IXP4XX_WDT_COUNT_ENABLE; + } +} + |