/*      $NetBSD: eeprom.h,v 1.3 2008/04/28 20:23:58 martin Exp $        */

/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Gordon W. Ross.
*
* 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_SUN_EEPROM_H_
#define _DEV_SUN_EEPROM_H_

/*
* Structure/definitions for the Sun3/Sun4 EEPROM.
*
* This information is published in the Sun document:
* "PROM User's Manual", part number 800-1736010.
*/

/*
* Note that most places where the PROM stores a "true/false" flag,
* the true value is 0x12 and false is the usual zero.  Such flags
* all take the values EE_TRUE or EE_FALSE so this file does not
* need to define so many value macros.
*/
#define EE_TRUE 0x12
#define EE_FALSE   0

struct eeprom {

       /* 0x00 */
       uint8_t eeTestArea[4];          /* Factory Defined */
       uint16_t eeWriteCount[4];       /*    ||      ||   */
       uint8_t eeChecksum[4];          /*    ||      ||   */
       uint32_t eeLastHwUpdate;        /*    ||      ||   */

       /* 0x14 */
       uint8_t eeInstalledMem;         /* Megabytes */
       uint8_t eeMemTestSize;          /*     ||    */

       /* 0x16 */
       uint8_t eeScreenSize;
#define EE_SCR_1152X900         0x00
#define EE_SCR_1024X1024        0x12
#define EE_SCR_1600X1280        0x13
#define EE_SCR_1440X1440        0x14

       uint8_t eeWatchDogDoesReset;    /* Watchdog timeout action:
                                        * true:  reset/reboot
                                        * false: return to monitor
                                        */
       /* 0x18 */
       uint8_t eeBootDevStored;        /* Is the boot device stored:
                                        * true:  use stored device spec.
                                        * false: use default (try all)
                                        */
       /* 0x19 */
       /* Stored boot device spec. i.e.: "sd(Ctlr,Unit,Part)" */
       uint8_t eeBootDevName[2];       /* xy,xd,sd,ie,le,st,xt,mt,...  */
       uint8_t eeBootDevCtlr;
       uint8_t eeBootDevUnit;
       uint8_t eeBootDevPart;

       /* 0x1E */
       uint8_t eeKeyboardType;         /* zero for sun keyboards */

       /* 0x1F */
       uint8_t eeConsole;              /* What to use for the console  */
#define EE_CONS_BW              0x00    /* - On-board B&W / keyboard    */
#define EE_CONS_TTYA            0x10    /* - serial port A              */
#define EE_CONS_TTYB            0x11    /* - serial port B              */
#define EE_CONS_COLOR           0x12    /* - Color FB / keyboard        */
#define EE_CONS_P4OPT           0x20    /* - Option board on P4         */

       /* 0x20 */
       uint8_t eeCustomBanner;         /* Is there a custom banner:
                                        * true:  use text at 0x68
                                        * false: use Sun banner
                                        */

       uint8_t eeKeyClick;             /* true/false */

       /* 0x22 */
       /* Boot device with "Diag" switch in Diagnostic mode: */
       uint8_t eeDiagDevName[2];
       uint8_t eeDiagDevCtlr;
       uint8_t eeDiagDevUnit;
       uint8_t eeDiagDevPart;

       /* Video white-on-black (not implemented) */
       uint8_t eeWhiteOnBlack;         /* true/false */

       /* 0x28 */
       char    eeDiagPath[40];         /* path name of diag program    */

       /* 0x50 */
       uint8_t eeTtyCols;              /* normally 80 (0x50) */
       uint8_t eeTtyRows;              /* normally 34 (0x22) */
       uint8_t ee_x52[6];              /* unused */

       /* 0x58 */
       /* Default parameters for tty A and tty B: */
       struct  eeTtyDef {
           uint8_t     eetBaudSet;     /* Is the baud rate set?
                                        * true:  use values here
                                        * false: use default (9600)
                                        */
           uint8_t     eetBaudHi;      /* i.e. 96..  */
           uint8_t     eetBaudLo;      /*      ..00  */
           uint8_t     eetNoRtsDtr;    /* true: disable H/W flow
                                        * false: enable H/W flow */
           uint8_t     eet_pad[4];
       } eeTtyDefA, eeTtyDefB;

       /* 0x68 */
       char eeBannerString[80];        /* see eeCustomBanner above */

       /* 0xB8 */
       uint16_t eeTestPattern;         /* must be 0xAA55 */
       uint16_t ee_xBA;                /* unused */

       /* 0xBC */
       /* Configuration data.  Hopefully we don't need it. */
       struct eeConf {
           uint8_t     eecData[16];
       } eeConf[12+1];

       /* 0x18c */
       uint8_t eeAltKeyTable;          /* What Key table to use:
                                        * 0x58: EEPROM tables
                                        * else: PROM key tables
                                        */
       uint8_t eeKeyboardLocale;       /* extended keyboard type */
       uint8_t eeKeyboardID;           /* for EEPROM key tables  */
       uint8_t eeCustomLogo;           /* true: use eeLogoBitmap */

       /* 0x190 */
       uint8_t eeKeymapLC[0x80];
       uint8_t eeKeymapUC[0x80];

       /* 0x290 */
       uint8_t eeLogoBitmap[64][8];    /* 64x64 bit custom logo */

       /* 0x490 */
       uint8_t ee_x490[2];             /* unused */

       /* 0x492 */
       uint8_t ee_passwd_mode;         /* Only (ROM rev > 2.7.0)
                                        * 0x5E = fully secure mode
                                        * 0x01 = command secure mode
                                        * Rest = non-secure mode
                                        */
       uint8_t ee_password[8];
       uint8_t ee_x49b[0x500-0x49b];   /* unused */

       /* 0x500 */
       uint8_t eeReserved[0x100];

       /* 0x600 */
       uint8_t eeROM_Area[0x100];

       /* 0x700 */
       /* "Unix area" (hah!) */
       uint8_t ee_x700[0xb];           /* unused */
       /* 0x70b */
       uint8_t ee_diag_mode;           /* 3/80 diag switch:
                                        * 0x06 = normal boot
                                        * 0x12 = diagnostic mode
                                        * Rest = full diagnostic boot
                                        */
       /* 0x70c */
       uint8_t ee_x70c[0x7d8-0x70c];   /* unused */

       /* 0x7d8 */
       uint8_t ee_80_IDPROM[32];       /* 3/80 IDPROM */
       /* 0x7f8 */
       uint8_t ee_80_CLOCK[8];         /* 3/80 clock */
};

#endif /* _DEV_SUN_EEPROM_H_ */

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