e344b63eee
The attached patches provides part 7 of an architecture implementation for the Tensilica Xtensa CPU series. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
120 lines
3.9 KiB
C
120 lines
3.9 KiB
C
#ifndef _xtboard_h_included_
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#define _xtboard_h_included_
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/*
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* THIS FILE IS GENERATED -- DO NOT MODIFY BY HAND
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*
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* xtboard.h -- Routines for getting useful information from the board.
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2002 Tensilica Inc.
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*/
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#include <xtensa/xt2000.h>
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#define XTBOARD_RTC_ERROR -1
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#define XTBOARD_RTC_STOPPED -2
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/* xt2000-i2cdev.c: */
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typedef void XtboardDelayFunc( unsigned );
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extern XtboardDelayFunc* xtboard_set_nsdelay_func( XtboardDelayFunc *delay_fn );
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extern int xtboard_i2c_read (unsigned id, unsigned char *buf, unsigned addr, unsigned size);
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extern int xtboard_i2c_write(unsigned id, unsigned char *buf, unsigned addr, unsigned size);
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extern int xtboard_i2c_wait_nvram_ack(unsigned id, unsigned swtimer);
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/* xtboard.c: */
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extern int xtboard_nvram_read (unsigned addr, unsigned len, unsigned char *buf);
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extern int xtboard_nvram_write(unsigned addr, unsigned len, unsigned char *buf);
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extern int xtboard_nvram_binfo_read (xt2000_nvram_binfo *buf);
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extern int xtboard_nvram_binfo_write(xt2000_nvram_binfo *buf);
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extern int xtboard_nvram_binfo_valid(xt2000_nvram_binfo *buf);
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extern int xtboard_ethermac_get(unsigned char *buf);
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extern int xtboard_ethermac_set(unsigned char *buf);
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/*+*----------------------------------------------------------------------------
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/ Function: xtboard_get_rtc_time
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/
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/ Description: Get time stored in real-time clock.
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/
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/ Returns: time in seconds stored in real-time clock.
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/-**----------------------------------------------------------------------------*/
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extern unsigned xtboard_get_rtc_time(void);
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/*+*----------------------------------------------------------------------------
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/ Function: xtboard_set_rtc_time
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/
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/ Description: Set time stored in real-time clock.
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/
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/ Parameters: time -- time in seconds to store to real-time clock
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/
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/ Returns: 0 on success, xtboard_i2c_write() error code otherwise.
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/-**----------------------------------------------------------------------------*/
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extern int xtboard_set_rtc_time(unsigned time);
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/* xtfreq.c: */
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/*+*----------------------------------------------------------------------------
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/ Function: xtboard_measure_sys_clk
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/
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/ Description: Get frequency of system clock.
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/
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/ Parameters: none
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/
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/ Returns: frequency of system clock.
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/-**----------------------------------------------------------------------------*/
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extern unsigned xtboard_measure_sys_clk(void);
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#if 0 /* old stuff from xtboard.c: */
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/*+*----------------------------------------------------------------------------
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/ Function: xtboard_nvram valid
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/
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/ Description: Determines if data in NVRAM is valid.
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/
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/ Parameters: delay -- 10us delay function
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/
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/ Returns: 1 if NVRAM is valid, 0 otherwise
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/-**----------------------------------------------------------------------------*/
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extern unsigned xtboard_nvram_valid(void (*delay)( void ));
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/*+*----------------------------------------------------------------------------
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/ Function: xtboard_get_nvram_contents
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/
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/ Description: Returns contents of NVRAM.
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/
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/ Parameters: buf -- buffer to NVRAM contents.
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/ delay -- 10us delay function
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/
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/ Returns: 1 if NVRAM is valid, 0 otherwise
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/-**----------------------------------------------------------------------------*/
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extern unsigned xtboard_get_nvram_contents(unsigned char *buf, void (*delay)( void ));
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/*+*----------------------------------------------------------------------------
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/ Function: xtboard_get_ether_addr
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/
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/ Description: Returns ethernet address of board.
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/
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/ Parameters: buf -- buffer to store ethernet address
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/ delay -- 10us delay function
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/
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/ Returns: nothing.
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/-**----------------------------------------------------------------------------*/
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extern void xtboard_get_ether_addr(unsigned char *buf, void (*delay)( void ));
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#endif /*0*/
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#endif /*_xtboard_h_included_*/
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