xref: /netbsd/sys/dev/pci/weaselreg.h (revision 6550d01e)
1 /*	$NetBSD: weaselreg.h,v 1.2 2008/04/28 20:23:55 martin Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Herb Peyerl and Jason Thorpe.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 
33 #ifndef _DEV_PCI_WEASELREG_H_
34 #define	_DEV_PCI_WEASELREG_H_
35 
36 /*
37  * PCI-Weasel configuration block.
38  */
39 #define	CFG_VERSION_2		0x02
40 struct weasel_config_block {
41 	uint8_t	cfg_version;		/* version of config */
42 	uint8_t	weasel_attn;		/* attention character */
43 	uint8_t debug;			/* debug level */
44 	uint8_t reset_pc_on_boot;	/* reset PC Weasel on boot */
45 	uint8_t duart_baud;		/* UART baud rate */
46 	uint8_t duart_parity;		/* 0=none, 1=even, 2=odd */
47 	uint8_t duart_bits;		/* 7 or 8 */
48 	uint8_t	enable_duart_switching;	/* UART switching mode */
49 	uint8_t	wdt_allow;		/* WDOG is allowed */
50 	uint16_t	wdt_msec;	/* WDOG period in msec. */
51 	uint8_t	duart_flow;		/* RTS/CTS enabled */
52 	uint8_t	break_passthru;		/* BRK passed through to 16550 */
53 	uint8_t	serial_number[10];	/* board serial number */
54 	uint8_t	default_partition;	/* default Weasel boot image */
55 	uint8_t	color;			/* use color */
56 	uint8_t	future_use[229];	/* reserved for future use */
57 	uint8_t cksum;			/* always last element. */
58 };
59 
60 #define	WEASEL_DATA_RD		0x00
61 #define		OS_RET_WDT_ACTIVE	0x01
62 #define		OS_RET_WDT_INACTIVE	0x02
63 #define		OS_RET_PONG		0x03
64 
65 #define	WEASEL_DATA_WR		0x01
66 #define		OS_CMD_WDT_ENABLE	0x01
67 #define		OS_CMD_WDT_DISABLE	0x02
68 #define		OS_CMD_WDT_QUERY	0x03
69 #define		OS_CMD_SHOW_CONFIG	0x04
70 #define		OS_CMD_QUERY_SW_VER	0x05
71 #define		OS_CMD_QUERY_HW_VER	0x06
72 #define		OS_CMD_QUERY_L_VER	0x07
73 #define		OS_CMD_PING		0x08
74 #define		OS_CMD_QUERY_VB_VER	0x09
75 #define		OS_CMD_QUERT_BR_VER	0x0a
76 #define		OS_CMD_RESET_SM		0xff
77 
78 #define	WEASEL_STATUS		0x02
79 #define		OS_WS_HOST_WRITE	0x00
80 #define		OS_WS_HOST_READ		0x01
81 #define		OS_WS_WDT_RDY		0x02
82 #define		OS_WS_BUSY		0xff
83 
84 #define	WEASEL_HOST_STATUS	0x03
85 #define		OS_HS_WEASEL_WRITE	0x00
86 #define		OS_HS_WEASEL_READ	0x01
87 #define		OS_HS_WDT_RDY		0x02
88 
89 #define	WEASEL_CHALLENGE	0x04
90 
91 #define	WEASEL_RESPONSE		0x05
92 
93 #endif /* _DEV_PCI_WEASELREG_H_ */
94