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      1 /*	$NetBSD: bugsyscalls.h,v 1.2 2008/04/28 20:23:30 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Steve C. Woodford.
      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 #ifndef __BUGSYSCALLS_H
     33 #define __BUGSYSCALLS_H
     34 
     35 /*
     36  * Basic Console I/O system calls
     37  */
     38 extern	char	bugsys_inchr(void);
     39 extern	void	bugsys_outchr(char);
     40 extern	int	bugsys_instat(void);
     41 
     42 
     43 /*
     44  * Basic Disk I/O system calls
     45  */
     46 struct bug_diskio {
     47 	u_int8_t	dc_clun;	/* Controller LUN for operation */
     48 	u_int8_t	dc_dlun;	/* Device LUN for operation */
     49 	u_int16_t	dc_status;	/* Completion status written here */
     50 	void		*dc_buffer;	/* Pointer to dest/src buffer */
     51 	u_int32_t	dc_block;	/* Starting block/file-number */
     52 	u_int16_t	dc_nblocks;	/* Number of blocks to transfer */
     53 	u_int8_t	dc_flag;	/* Flag (see below) */
     54 	u_int8_t	dc_am;		/* VMEbus address modifier, or zero */
     55 };
     56 #define	BUG_DISKCMD_FLAG_FILEMARK	(1 << 7)
     57 #define	BUG_DISKCMD_FLAG_IFN		(1 << 1)
     58 #define	BUG_DISKCMD_FLAG_EOF		(1 << 0)
     59 
     60 extern	int	bugsys_dskrd(struct bug_diskio *);
     61 extern	int	bugsys_dskwr(struct bug_diskio *);
     62 
     63 /*
     64  * Basic Nework I/O system calls
     65  */
     66 struct bug_netio {
     67 	u_int8_t	nc_clun;	/* Controller LUN for operation */
     68 	u_int8_t	nc_dlun;	/* Device LUN for operation */
     69 	u_int16_t	nc_status;	/* Completion status written here */
     70 	u_int32_t	nc_command;	/* Command identifier */
     71 	void		*nc_buffer;	/* Pointer to dest/src data buffer */
     72 	u_int32_t	nc_length;	/* Number of bytes of data */
     73 	u_int32_t	nc_csr;		/* Status/Control flags */
     74 };
     75 #define	BUG_NETIO_CMD_INIT	   0x0	/* Initialise Device/Channel/Node */
     76 #define	BUG_NETIO_CMD_GET_MAC	   0x1	/* Get ethernet MAC address */
     77 #define	BUG_NETIO_CMD_TRANSMIT	   0x2	/* Transmit a packet of data */
     78 #define BUG_NETIO_CMD_RECEIVE	   0x3	/* Receive a packet of data */
     79 #define	BUG_NETIO_CMD_FLUSH	   0x4	/* Flush receive buffers */
     80 #define	BUG_NETIO_CMD_RESET	   0x5	/* Reset Device/Channel/Node */
     81 
     82 #define	BUG_NETIO_CSR_RX_COMPLETE  (1<<16)
     83 
     84 extern	int	bugsys_netio(struct bug_netio *);
     85 
     86 /*
     87  * Miscellaneous system calls
     88  */
     89 extern	void	bugsys_delay(int);
     90 
     91 struct bug_boardid {
     92 	u_int32_t	bi_eyecatcher;	/* Eye catcher pattern */
     93 	u_int8_t	bi_rev;		/* PPCBug Revision, in BCD */
     94 	u_int8_t	bi_month;	/* PPCBug Month, in BCD */
     95 	u_int8_t	bi_day;		/* PPCBug Day, in BCD */
     96 	u_int8_t	bi_year;	/* PPCBug Year, in BCD */
     97 	u_int16_t	bi_size;	/* Size of this structure */
     98 	u_int16_t	bi_resvd;
     99 	u_int16_t	bi_bnumber;	/* Board number, in BCD */
    100 	u_int16_t	bi_bsuffix;	/* Board suffix, in BCD */
    101 	u_int32_t	bi_options;	/* Board options. See below */
    102 	u_int16_t	bi_clun;	/* Boot device CLUN */
    103 	u_int16_t	bi_dlun;	/* Boot device DLUN */
    104 	u_int16_t	bi_devtype;	/* Boot device type. See below */
    105 	u_int16_t	bi_devnumber;	/* Boot device number */
    106 	u_int32_t	bi_resvd2;
    107 };
    108 #define	BUG_BOARDID_OPT_CPU_MASK	0x0f
    109 #define	BUG_BOARDID_OPT_CPU_SHIFT	0
    110 #define	 BUG_BOARDID_OPT_CPU_MPC620	1
    111 #define	 BUG_BOARDID_OPT_CPU_MPC601	1
    112 #define	 BUG_BOARDID_OPT_CPU_MPC602	2
    113 #define	 BUG_BOARDID_OPT_CPU_MPC603	3
    114 #define	 BUG_BOARDID_OPT_CPU_MPC604	4
    115 #define	BUG_BOARDID_OPT_FAMILY_MASK	0x07
    116 #define	BUG_BOARDID_OPT_FAMILY_SHIFT	6
    117 #define	BUG_BOARDID_OPT_FAMILY_MPC600	2
    118 #define	BUG_BOARDID_OPT_FPC		(1 << 7)
    119 #define	BUG_BOARDID_OPT_MMU		(1 << 8)
    120 #define	BUG_BOARDID_OPT_MMB		(1 << 9)
    121 
    122 #define	BUG_BOARDID_DEVTYPE_DIRECT	0  /* Direct Access Device (disk) */
    123 #define	BUG_BOARDID_DEVTYPE_SEQ		1  /* Sequential Access Device (tape) */
    124 #define	BUG_BOARDID_DEVTYPE_PRINTER	2  /* Printer device */
    125 #define	BUG_BOARDID_DEVTYPE_PROCESSOR	3  /* Processor device */
    126 #define	BUG_BOARDID_DEVTYPE_WORM	4  /* WORM device */
    127 #define	BUG_BOARDID_DEVTYPE_CDROM	5  /* CD-ROM device */
    128 #define	BUG_BOARDID_DEVTYPE_SCANNER	6  /* Scanner device */
    129 #define	BUG_BOARDID_DEVTYPE_OPTICAL	7  /* Optical memory device */
    130 #define	BUG_BOARDID_DEVTYPE_CHANGER	8  /* Medium Changer device */
    131 #define	BUG_BOARDID_DEVTYPE_COMMS	9  /* Communications device */
    132 
    133 extern	struct bug_boardid	*bugsys_brdid(void);
    134 
    135 struct bug_ioinquiry {
    136 	u_int32_t	ii_portnum;	/* Port number */
    137 	char		*ii_boardname;	/* Board name pointer */
    138 	u_int32_t	ii_channel;	/* Channel number */
    139 	u_int32_t	ii_devaddr;	/* Device address */
    140 	u_int32_t	ii_concurmode;	/* Concurrent mode */
    141 	u_int32_t	ii_modemid;	/* Modem ID */
    142 	struct bug_ioctrl *ii_ioctrl;	/* I/O control struction pointer */
    143 	u_int32_t	ii_error;	/* Error code */
    144 	u_int32_t	ii_resvd[3];
    145 };
    146 #define	BUG_IOINQ_PORT_CONSOLE		0xffffffff
    147 
    148 struct bug_ioctrl {
    149 	u_int32_t	ic_ctrlbits;
    150 	u_int32_t	ic_baud;
    151 	u_int32_t	ic_protocol;
    152 	u_int32_t	ic_sync1;
    153 	u_int32_t	ic_sync2;
    154 	u_int32_t	ic_xonchar;
    155 	u_int32_t	ic_xoffchar;
    156 };
    157 #define	IOCTRL_PARITY_ODD	(1 << 0)
    158 #define	IOCTRL_PARITY_EVEN	(1 << 1)
    159 #define	IOCTRL_BITS_8		(1 << 2)
    160 #define	IOCTRL_BITS_7		(1 << 3)
    161 #define	IOCTRL_BITS_6		(1 << 4)
    162 #define	IOCTRL_BITS_5		(1 << 5)
    163 #define	IOCTRL_STOP_2		(1 << 6)
    164 #define	IOCTRL_STOP_1		(1 << 7)
    165 
    166 extern	struct bug_ioinquiry	*bugsys_ioinq(struct bug_ioinquiry *);
    167 
    168 struct bug_rtc_rd {
    169 	u_int8_t	rr_year;
    170 	u_int8_t	rr_month;
    171 	u_int8_t	rr_dayofmonth;
    172 	u_int8_t	rr_dayofweek;
    173 	u_int8_t	rr_hour;
    174 	u_int8_t	rr_minute;
    175 	u_int8_t	rr_second;
    176 	u_int8_t	rr_calibration;
    177 };
    178 
    179 extern	void	bugsys_rtc_rd(struct bug_rtc_rd *);
    180 
    181 /*
    182  * Information passed from bug to the bootstrap program when in PReP mode.
    183  *
    184  * Note: This is the only option for booting from disk...
    185  */
    186 struct bug_prepinfo {
    187 	void	*bpi_residual;		/* PReP mode's "residual data" */
    188 	void	*bpi_loadaddr;		/* Load address of bootstrap code */
    189 };
    190 
    191 /*
    192  * Information passed when in traditional PPCBug mode
    193  *
    194  * Note: This appears to be the case for netboot only...
    195  */
    196 struct bug_buginfo {
    197 	int		bbi_clun;	/* Boot controller LUN */
    198 	int		bbi_dlun;	/* Boot device LUN */
    199 	u_int32_t	bbi_devaddr;	/* PCI config. addr. of boot device */
    200 	void		*bbi_loadaddr;	/* Load address of bootstrap code */
    201 	void		*bbi_ipaddr;	/* Pointer to IP address parameters */
    202 	const char	*bbi_fnstart;	/* Boot filename string start */
    203 	const char	*bbi_fnend;	/* Boot filename string end */
    204 	char		*bbi_argstart;	/* Boot argument string start */
    205 	char		*bbi_argend;	/* Boot argument string end */
    206 };
    207 
    208 /*
    209  * Structure passed into C code from srt0.S
    210  */
    211 struct bug_bootinfo {
    212 	int		bbi_bugmode;	/* Non-zero if traditional bug boot */
    213 	union {
    214 		struct bug_prepinfo bpi;
    215 		struct bug_buginfo bbi;
    216 	} bbi_bi;
    217 };
    218 
    219 #endif	/* __BUGSYSCALLS_H */
    220