/* * 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_idle is called from the idle function. */ extern void platform_idle (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 */