/*      $NetBSD: weaselreg.h,v 1.2 2008/04/28 20:23:55 martin Exp $     */

/*-
 * Copyright (c) 2001 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Herb Peyerl and Jason Thorpe.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */


#ifndef _DEV_PCI_WEASELREG_H_
#define _DEV_PCI_WEASELREG_H_

/*
 * PCI-Weasel configuration block.
 */
#define CFG_VERSION_2           0x02
struct weasel_config_block {
        uint8_t cfg_version;            /* version of config */
        uint8_t weasel_attn;            /* attention character */
        uint8_t debug;                  /* debug level */
        uint8_t reset_pc_on_boot;       /* reset PC Weasel on boot */
        uint8_t duart_baud;             /* UART baud rate */
        uint8_t duart_parity;           /* 0=none, 1=even, 2=odd */
        uint8_t duart_bits;             /* 7 or 8 */
        uint8_t enable_duart_switching; /* UART switching mode */
        uint8_t wdt_allow;              /* WDOG is allowed */
        uint16_t        wdt_msec;       /* WDOG period in msec. */
        uint8_t duart_flow;             /* RTS/CTS enabled */
        uint8_t break_passthru;         /* BRK passed through to 16550 */
        uint8_t serial_number[10];      /* board serial number */
        uint8_t default_partition;      /* default Weasel boot image */
        uint8_t color;                  /* use color */
        uint8_t future_use[229];        /* reserved for future use */
        uint8_t cksum;                  /* always last element. */
};

#define WEASEL_DATA_RD          0x00
#define         OS_RET_WDT_ACTIVE       0x01
#define         OS_RET_WDT_INACTIVE     0x02
#define         OS_RET_PONG             0x03

#define WEASEL_DATA_WR          0x01
#define         OS_CMD_WDT_ENABLE       0x01
#define         OS_CMD_WDT_DISABLE      0x02
#define         OS_CMD_WDT_QUERY        0x03
#define         OS_CMD_SHOW_CONFIG      0x04
#define         OS_CMD_QUERY_SW_VER     0x05
#define         OS_CMD_QUERY_HW_VER     0x06
#define         OS_CMD_QUERY_L_VER      0x07
#define         OS_CMD_PING             0x08
#define         OS_CMD_QUERY_VB_VER     0x09
#define         OS_CMD_QUERT_BR_VER     0x0a
#define         OS_CMD_RESET_SM         0xff

#define WEASEL_STATUS           0x02
#define         OS_WS_HOST_WRITE        0x00
#define         OS_WS_HOST_READ         0x01
#define         OS_WS_WDT_RDY           0x02
#define         OS_WS_BUSY              0xff

#define WEASEL_HOST_STATUS      0x03
#define         OS_HS_WEASEL_WRITE      0x00
#define         OS_HS_WEASEL_READ       0x01
#define         OS_HS_WDT_RDY           0x02

#define WEASEL_CHALLENGE        0x04

#define WEASEL_RESPONSE         0x05

#endif /* _DEV_PCI_WEASELREG_H_ */