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/* $OpenBSD: prom.h,v 1.12 2012/07/05 04:23:33 guenther Exp $ */
/*
* Copyright (c) 1995 Theo de Raadt
* All rights reserved.
*
* 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 AUTHOR ``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 AUTHOR 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 _MACHINE_PROM_H_
#define _MACHINE_PROM_H_
#define MVMEPROM_INCHR 0x00
#define MVMEPROM_INSTAT 0x01
#define MVMEPROM_INLN 0x02
#define MVMEPROM_READSTR 0x03
#define MVMEPROM_READLN 0x04
#define MVMEPROM_OUTCHR 0x20
#define MVMEPROM_OUTSTR 0x21
#define MVMEPROM_DSKRD 0x10
#define MVMEPROM_DSKWR 0x11
#define MVMEPROM_DSKCFIG 0x12
#define MVMEPROM_DSKFMT 0x14
#define MVMEPROM_DSKCTRL 0x15
#define MVMEPROM_NETCTRL 0x1d
#define MVMEPROM_OUTSTRCRLF 0x22
#define MVMEPROM_WRITE 0x23
#define MVMEPROM_WRITELN 0x24
#define MVMEPROM_DELAY 0x43
#define MVMEPROM_RTC_RD 0x53
#define MVMEPROM_EXIT 0x63
#define MVMEPROM_GETBRDID 0x70
#define MVMEPROM_ENVIRON 0x71
#define NETCTRLCMD_GETETHER 1
#define ENVIRONCMD_WRITE 1
#define ENVIRONCMD_READ 2
#define ENVIRONTYPE_EOL 0
#define ENVIRONTYPE_START 1
#define ENVIRONTYPE_DISKBOOT 2
#define ENVIRONTYPE_ROMBOOT 3
#define ENVIRONTYPE_NETBOOT 4
#define ENVIRONTYPE_MEMSIZE 5
#ifndef _LOCORE
struct prom_netctrl {
u_char dev;
u_char ctrl;
u_short status;
u_long cmd;
u_long addr;
u_long len;
u_long flags;
};
struct prom_environ_hdr {
u_char type;
u_char len;
};
struct mvmeprom_brdid {
u_long eye_catcher;
u_char rev;
u_char month;
u_char day;
u_char year;
u_short size;
u_short rsv1;
u_short model;
u_short suffix;
u_short options;
u_char family;
u_char cpu;
u_short ctrlun;
u_short devlun;
u_short devtype;
u_short devnum;
u_long bug;
/*
* XXX: I have seen no documentation for these!
*
* The following (appears to) exist only on the MVME162 and
* upwards. We should figure out what the other fields are.
*/
u_char xx1[16];
u_char xx2[4];
u_char longname[12];
u_char xx3[16];
u_char speed[4];
u_char xx4[12];
};
struct mvmeprom_time {
u_char year_BCD;
u_char month_BCD;
u_char day_BCD;
u_char wday_BCD;
u_char hour_BCD;
u_char min_BCD;
u_char sec_BCD;
u_char cal_BCD;
};
struct mvmeprom_dskio {
u_char ctrl_lun;
u_char dev_lun;
u_short status;
void *pbuffer;
u_long blk_num;
u_short blk_cnt;
u_char flag;
#define BUG_FILE_MARK 0x80
#define IGNORE_FILENUM 0x02
#define END_OF_FILE 0x01
u_char addr_mod;
};
#define MVMEPROM_BLOCK_SIZE 256
struct mvmeprom_args {
u_int dev_lun;
u_int ctrl_lun;
u_int flags;
u_int ctrl_addr;
u_int entry;
u_int conf_blk;
char *arg_start;
char *arg_end;
char *nbarg_start;
char *nbarg_end;
u_int cputyp;
};
#endif
#define MVMEPROM_CALL(x) \
__asm__ __volatile__ ("trap #15; .short " __STRING(x))
#define MVMEPROM_NOARG() \
__asm__ __volatile__ ("clrl sp@-")
#define MVMEPROM_ARG1(arg) \
__asm__ __volatile__ ("movel %0, sp@-"::"d" (arg))
#define MVMEPROM_ARG2(arg) \
__asm__ __volatile__ ("movel %0, sp@-"::"d" (arg))
#define MVMEPROM_GETRES(ret) \
__asm__ __volatile__ ("movel sp@+,%0": "=d" (ret):)
#define MVMEPROM_RETURN(ret) \
MVMEPROM_GETRES(ret); \
return (ret); /* return a value (int) */
#define MVMEPROM_RETURN_BYTE(ret) \
MVMEPROM_GETRES(ret); \
return((ret >> 24) & 0xff); /* return a byte, ret must be int */
#define MVMEPROM_STATRET(ret) \
MVMEPROM_GETRES(ret); \
return (!(ret & 0x4)); /* return a 'status' */
#define MVMEPROM_REG_DEVLUN "d0"
#define MVMEPROM_REG_CTRLLUN "d1"
#define MVMEPROM_REG_FLAGS "d4"
#define MVMEPROM_REG_CTRLADDR "a0"
#define MVMEPROM_REG_ENTRY "a1"
#define MVMEPROM_REG_CONFBLK "a2"
#define MVMEPROM_REG_NBARGSTART "a3"
#define MVMEPROM_REG_NBARGEND "a4"
#define MVMEPROM_REG_ARGSTART "a5"
#define MVMEPROM_REG_ARGEND "a6"
#ifndef RB_NOSYM
#define RB_NOSYM 0x4000
#endif
#endif /* _MACHINE_PROM_H_ */
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