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Diffstat (limited to 'arch/xtensa/include/asm/platform.h')
-rw-r--r-- | arch/xtensa/include/asm/platform.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/xtensa/include/asm/platform.h b/arch/xtensa/include/asm/platform.h new file mode 100644 index 000000000..354ca942d --- /dev/null +++ b/arch/xtensa/include/asm/platform.h @@ -0,0 +1,66 @@ +/* + * Platform specific functions + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file "COPYING" in the main directory of + * this archive for more details. + * + * Copyright (C) 2001 - 2005 Tensilica Inc. + */ + +#ifndef _XTENSA_PLATFORM_H +#define _XTENSA_PLATFORM_H + +#include <linux/types.h> +#include <asm/bootparam.h> + +/* + * platform_init is called before the mmu is initialized to give the + * platform a early hook-up. bp_tag_t is a list of configuration tags + * passed from the boot-loader. + */ +extern void platform_init(bp_tag_t*); + +/* + * platform_setup is called from setup_arch with a pointer to the command-line + * string. + */ +extern void platform_setup (char **); + +/* + * platform_restart is called to restart the system. + */ +extern void platform_restart (void); + +/* + * platform_halt is called to stop the system and halt. + */ +extern void platform_halt (void); + +/* + * platform_power_off is called to stop the system and power it off. + */ +extern void platform_power_off (void); + +/* + * platform_idle is called from the idle function. + */ +extern void platform_idle (void); + +/* + * platform_heartbeat is called every HZ + */ +extern void platform_heartbeat (void); + +/* + * platform_calibrate_ccount calibrates cpu clock freq (CONFIG_XTENSA_CALIBRATE) + */ +extern void platform_calibrate_ccount (void); + +/* + * Flush and reset the mmu, simulate a processor reset, and + * jump to the reset vector. + */ +void cpu_reset(void) __attribute__((noreturn)); + +#endif /* _XTENSA_PLATFORM_H */ |