[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 7
[linux-2.6.git] / 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