184 lines
5.6 KiB
C
184 lines
5.6 KiB
C
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/* $NetBSD: eeprom.h,v 1.1.1.1 1998/06/20 04:58:51 eeh Exp $ */
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/*
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* Copyright (c) 1994 Gordon W. Ross
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Structure/definitions for the Sun3/Sun4 EEPROM.
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*
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* This information is published in the Sun document:
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* "PROM User's Manual", part number 800-1736010.
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*/
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/*
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* Note that most places where the PROM stores a "true/false" flag,
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* the true value is 0x12 and false is the usual zero. Such flags
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* all take the values EE_TRUE or EE_FALSE so this file does not
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* need to define so many value macros.
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*/
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#define EE_TRUE 0x12
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#define EE_FALSE 0
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struct eeprom {
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/* 0x00 */
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u_char eeTestArea[4]; /* Factory Defined */
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u_short eeWriteCount[4]; /* || || */
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u_char eeChecksum[4]; /* || || */
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time_t eeLastHwUpdate; /* || || */
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/* 0x14 */
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u_char eeInstalledMem; /* Megabytes */
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u_char eeMemTestSize; /* || */
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/* 0x16 */
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u_char eeScreenSize;
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#define EE_SCR_1152X900 0x00
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#define EE_SCR_1024X1024 0x12
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#define EE_SCR_1600X1280 0x13
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#define EE_SCR_1440X1440 0x14
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u_char eeWatchDogDoesReset; /* Watchdog timeout action:
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* true: reset/reboot
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* false: return to monitor
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*/
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/* 0x18 */
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u_char eeBootDevStored; /* Is the boot device stored:
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* true: use stored device spec.
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* false: use default (try all)
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*/
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/* Stored boot device spec. i.e.: "sd(Ctlr,Unit,Part)" */
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u_char eeBootDevName[2]; /* xy,xd,sd,ie,le,st,xt,mt,... */
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u_char eeBootDevCtlr;
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u_char eeBootDevUnit;
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u_char eeBootDevPart;
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/* 0x1E */
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u_char eeKeyboardType; /* zero for sun keyboards */
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u_char eeConsole; /* What to use for the console */
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#define EE_CONS_BW 0x00 /* - On-board B&W / keyboard */
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#define EE_CONS_TTYA 0x10 /* - serial port A */
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#define EE_CONS_TTYB 0x11 /* - serial port B */
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#define EE_CONS_COLOR 0x12 /* - Color FB / keyboard */
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#define EE_CONS_P4OPT 0x20 /* - Option board on P4 */
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/* 0x20 */
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u_char eeCustomBanner; /* Is there a custom banner:
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* true: use text at 0x68
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* false: use Sun banner
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*/
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u_char eeKeyClick; /* true/false */
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/* Boot device with "Diag" switch in Diagnostic mode: */
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u_char eeDiagDevName[2];
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u_char eeDiagDevCtlr;
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u_char eeDiagDevUnit;
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u_char eeDiagDevPart;
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/* Video white-on-black (not implemented) */
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u_char eeWhiteOnBlack; /* true/false */
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/* 0x28 */
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char eeDiagPath[40]; /* path name of diag program */
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/* 0x50 */
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u_char eeTtyCols; /* normally 80 */
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u_char eeTtyRows; /* normally 34 */
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u_char ee_x52[6]; /* unused */
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/* 0x58 */
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/* Default parameters for tty A and tty B: */
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struct eeTtyDef {
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u_char eetBaudSet; /* Is the baud rate set?
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* true: use values here
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* false: use default (9600)
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*/
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u_char eetBaudHi; /* i.e. 96.. */
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u_char eetBaudLo; /* ..00 */
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u_char eetNoRtsDtr; /* true: disable H/W flow
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* false: enable H/W flow */
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u_char eet_pad[4];
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} eeTtyDefA, eeTtyDefB;
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/* 0x68 */
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char eeBannerString[80]; /* see eeCustomBanner above */
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/* 0xB8 */
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u_short eeTestPattern; /* must be 0xAA55 */
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u_short ee_xBA; /* unused */
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/* 0xBC */
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/* Configuration data. Hopefully we don't need it. */
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struct eeConf {
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u_char eecData[16];
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} eeConf[12+1];
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/* 0x18c */
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u_char eeAltKeyTable; /* What Key table to use:
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* 0x58: EEPROM tables
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* else: PROM key tables
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*/
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u_char eeKeyboardLocale; /* extended keyboard type */
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u_char eeKeyboardID; /* for EEPROM key tables */
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u_char eeCustomLogo; /* true: use eeLogoBitmap */
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/* 0x190 */
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u_char eeKeymapLC[0x80];
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u_char eeKeymapUC[0x80];
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/* 0x290 */
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u_char eeLogoBitmap[64][8]; /* 64x64 bit custom logo */
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/* 0x490 */
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u_char ee_x490[0x500-0x490]; /* unused */
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/* Other stuff we don't care about... */
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/* 0x500 */
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u_char eeReserved[0x100];
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/* 0x600 */
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u_char eeROM_Area[0x100];
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/* 0x700 */
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u_char eeUnixArea[0x100];
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};
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/*
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* The size of the eeprom on machines with the old clock is 2k. However,
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* on machines with the new clock (and the `eeprom' in the nvram area)
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* there are only 2040 bytes available. (???). Since we really only
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* care about the `diagnostic' area, we'll use it's size when dealing
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* with the eeprom in general.
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*/
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#define EEPROM_SIZE 0x500
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#ifdef _KERNEL
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extern char *eeprom_va;
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int eeprom_uio __P((struct uio *));
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#endif /* _KERNEL */
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