diff options
Diffstat (limited to 'arch/arm/mach-at91/include/mach/system.h')
| -rw-r--r-- | arch/arm/mach-at91/include/mach/system.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/system.h b/arch/arm/mach-at91/include/mach/system.h new file mode 100644 index 00000000000..e712658d966 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/system.h @@ -0,0 +1,53 @@ +/* + * arch/arm/mach-at91/include/mach/system.h + * + * Copyright (C) 2003 SAN People + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +#include <mach/hardware.h> +#include <mach/at91_st.h> +#include <mach/at91_dbgu.h> + +static inline void arch_idle(void) +{ + /* + * Disable the processor clock. The processor will be automatically + * re-enabled by an interrupt or by a reset. + */ +// at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK); + + /* + * Set the processor (CP15) into 'Wait for Interrupt' mode. + * Unlike disabling the processor clock via the PMC (above) + * this allows the processor to be woken via JTAG. + */ + cpu_do_idle(); +} + +void (*at91_arch_reset)(void); + +static inline void arch_reset(char mode) +{ + /* call the CPU-specific reset function */ + if (at91_arch_reset) + (at91_arch_reset)(); +} + +#endif |