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      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