include/asm-xtensa/xtensa/xtboard.h

   1 #ifndef _xtboard_h_included_
   2 #define _xtboard_h_included_
   3
   4 /*
   5  * THIS FILE IS GENERATED -- DO NOT MODIFY BY HAND
   6  *
   7  *  xtboard.h  --  Routines for getting useful information from the board.
   8  *
   9  * This file is subject to the terms and conditions of the GNU General Public
  10  * License.  See the file "COPYING" in the main directory of this archive
  11  * for more details.
  12  *
  13  * Copyright (C) 2002 Tensilica Inc.
  14  */
  15
  16
  17 #include <xtensa/xt2000.h>
  18
  19 #define XTBOARD_RTC_ERROR       -1
  20 #define XTBOARD_RTC_STOPPED     -2
  21
  22
  23 /*  xt2000-i2cdev.c:  */
  24 typedef void XtboardDelayFunc( unsigned );
  25 extern XtboardDelayFunc* xtboard_set_nsdelay_func( XtboardDelayFunc *delay_fn );
  26 extern int xtboard_i2c_read (unsigned id, unsigned char *buf, unsigned addr, unsigned size);
  27 extern int xtboard_i2c_write(unsigned id, unsigned char *buf, unsigned addr, unsigned size);
  28 extern int xtboard_i2c_wait_nvram_ack(unsigned id, unsigned swtimer);
  29
  30 /*  xtboard.c:  */
  31 extern int xtboard_nvram_read (unsigned addr, unsigned len, unsigned char *buf);
  32 extern int xtboard_nvram_write(unsigned addr, unsigned len, unsigned char *buf);
  33 extern int xtboard_nvram_binfo_read (xt2000_nvram_binfo *buf);
  34 extern int xtboard_nvram_binfo_write(xt2000_nvram_binfo *buf);
  35 extern int xtboard_nvram_binfo_valid(xt2000_nvram_binfo *buf);
  36 extern int xtboard_ethermac_get(unsigned char *buf);
  37 extern int xtboard_ethermac_set(unsigned char *buf);
  38
  39 /*+*----------------------------------------------------------------------------
  40 / Function: xtboard_get_rtc_time
  41 /
  42 / Description:  Get time stored in real-time clock.
  43 /
  44 / Returns: time in seconds stored in real-time clock.
  45 /-**----------------------------------------------------------------------------*/
  46
  47 extern unsigned xtboard_get_rtc_time(void);
  48
  49 /*+*----------------------------------------------------------------------------
  50 / Function: xtboard_set_rtc_time
  51 /
  52 / Description:  Set time stored in real-time clock.
  53 /
  54 / Parameters:   time -- time in seconds to store to real-time clock
  55 /
  56 / Returns: 0 on success, xtboard_i2c_write() error code otherwise.
  57 /-**----------------------------------------------------------------------------*/
  58
  59 extern int xtboard_set_rtc_time(unsigned time);
  60
  61
  62 /*  xtfreq.c:  */
  63 /*+*----------------------------------------------------------------------------
  64 / Function: xtboard_measure_sys_clk
  65 /
  66 / Description:  Get frequency of system clock.
  67 /
  68 / Parameters:   none
  69 /
  70 / Returns: frequency of system clock.
  71 /-**----------------------------------------------------------------------------*/
  72
  73 extern unsigned xtboard_measure_sys_clk(void);
  74
  75
  76 #if 0   /* old stuff from xtboard.c: */
  77
  78 /*+*----------------------------------------------------------------------------
  79 / Function: xtboard_nvram valid
  80 /
  81 / Description:  Determines if data in NVRAM is valid.
  82 /
  83 / Parameters:   delay -- 10us delay function
  84 /
  85 / Returns: 1 if NVRAM is valid, 0 otherwise
  86 /-**----------------------------------------------------------------------------*/
  87
  88 extern unsigned xtboard_nvram_valid(void (*delay)( void ));
  89
  90 /*+*----------------------------------------------------------------------------
  91 / Function: xtboard_get_nvram_contents
  92 /
  93 / Description:  Returns contents of NVRAM.
  94 /
  95 / Parameters:   buf -- buffer to NVRAM contents.
  96 /               delay -- 10us delay function
  97 /
  98 / Returns: 1 if NVRAM is valid, 0 otherwise
  99 /-**----------------------------------------------------------------------------*/
 100
 101 extern unsigned xtboard_get_nvram_contents(unsigned char *buf, void (*delay)( void ));
 102
 103 /*+*----------------------------------------------------------------------------
 104 / Function: xtboard_get_ether_addr
 105 /
 106 / Description:  Returns ethernet address of board.
 107 /
 108 / Parameters:   buf -- buffer to store ethernet address
 109 /               delay -- 10us delay function
 110 /
 111 / Returns: nothing.
 112 /-**----------------------------------------------------------------------------*/
 113
 114 extern void xtboard_get_ether_addr(unsigned char *buf, void (*delay)( void ));
 115
 116 #endif /*0*/
 117
 118
 119 #endif /*_xtboard_h_included_*/
 120