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79 lines
1.7 KiB
79 lines
1.7 KiB
20 years ago
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/*
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* Platform specific functions
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*
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* This file is subject to the terms and conditions of the GNU General
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* Public License. See the file "COPYING" in the main directory of
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* this archive for more details.
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*
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* Copyright (C) 2001 - 2005 Tensilica Inc.
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*/
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#ifndef _XTENSA_PLATFORM_H
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#define _XTENSA_PLATFORM_H
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#include <linux/types.h>
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#include <linux/pci.h>
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#include <asm/bootparam.h>
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/*
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* platform_init is called before the mmu is initialized to give the
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* platform a early hook-up. bp_tag_t is a list of configuration tags
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* passed from the boot-loader.
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*/
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extern void platform_init(bp_tag_t*);
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/*
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* platform_setup is called from setup_arch with a pointer to the command-line
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* string.
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*/
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extern void platform_setup (char **);
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/*
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* platform_init_irq is called from init_IRQ.
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*/
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extern void platform_init_irq (void);
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/*
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* platform_restart is called to restart the system.
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*/
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extern void platform_restart (void);
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/*
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* platform_halt is called to stop the system and halt.
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*/
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extern void platform_halt (void);
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/*
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* platform_power_off is called to stop the system and power it off.
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*/
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extern void platform_power_off (void);
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/*
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* platform_idle is called from the idle function.
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*/
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extern void platform_idle (void);
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/*
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* platform_heartbeat is called every HZ
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*/
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extern void platform_heartbeat (void);
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/*
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* platform_pcibios_init is called to allow the platform to setup the pci bus.
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*/
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extern void platform_pcibios_init (void);
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/*
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* platform_pcibios_fixup allows to modify the PCI configuration.
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*/
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extern int platform_pcibios_fixup (void);
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/*
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* platform_calibrate_ccount calibrates cpu clock freq (CONFIG_XTENSA_CALIBRATE)
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*/
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extern void platform_calibrate_ccount (void);
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#endif /* _XTENSA_PLATFORM_H */
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