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1.1 root 1: /* @(#)eeprom.h 1.1 86/02/03 SMI */
2:
3: /*
4: * Copyright (c) 1985 by Sun Microsystems, Inc.
5: */
6:
7: /*
8: * The EEPROM consists of one 2816 type EEPROM providing 2K bytes
9: * of electically erasable storage. To modify the EEPROM, each
10: * byte must be written separately. After writing each byte
11: * a 10 millisecond pause must be observed before the EEPROM can
12: * read or written again. The majority of the EEPROM is diagnostic
13: * and is defined in ../mon/eeprom.h. The software specific
14: * information (struct ee_soft) is defined here. This structure
15: * is 0x100 bytes big.
16: */
17:
18: struct ee_soft {
19: u_short ees_wrcnt[3]; /* write count (3 copies) */
20: u_short ees_nu1; /* not used */
21: u_char ees_chksum[3]; /* software area checksum (3 copies) */
22: u_char ees_nu2; /* not used */
23: u_char ees_resv[0x100-0xc]; /* XXX - figure this out sometime */
24: };
25:
26: #define EE_SOFT_DEFINED /* tells ../mon/eeprom.h to use this ee_soft */
27:
28: #ifdef KERNEL
29: /* @(#)eeprom.h 1.3 85/10/11 SMI */
30:
31: /*
32: * Copyright (c) 1985 by Sun Microsystems, Inc.
33: */
34:
35: /*
36: * This structure defines the contents to the EEPROM for the Sun-3.
37: * It is divided into a diagnostic section, a reserved section,
38: * a ROM section, and a software section (defined in detail
39: * elsewhere).
40: */
41: #ifndef _EPROM_
42: #define _EPROM_
43:
44: struct eeprom {
45: struct ee_diag { /* diagnostic's area of EEPROM */
46: /* 0x000 */ u_int eed_test; /* diagnostic test write area */
47: /* 0x004 */ u_short eed_wrcnt[3]; /* diag area write count (3 copies) */
48: short eed_nu1; /* not used */
49: /* 0x00c */ u_char eed_chksum[3]; /* diag area checksum (3 copies) */
50: char eed_nu2; /* not used */
51: /* 0x010 */ time_t eed_hwupdate; /* date of last hardware update */
52: /* 0x014 */ char eed_memsize; /* MB's of memory in system */
53: /* 0x015 */ char eed_memtest; /* MB's of memory to test on powerup */
54: /* 0x016 */ char eed_scrsize; /* screen size, in pixels */
55: #define EED_SCR_1152X900 0x00
56: #define EED_SCR_1024X1024 0x12
57: /* 0x017 */ char eed_dogaction; /* action to take on watchdog reset */
58: #define EED_DOG_MONITOR 0x00 /* return to monitor command level */
59: #define EED_DOG_REBOOT 0x12 /* perform power on reset and reboot */
60: /* 0x018 */ char eed_defboot; /* default boot? */
61: #define EED_DEFBOOT 0x00 /* do default boot */
62: #define EED_NODEFBOOT 0x12 /* don't do default boot */
63: /* 0x019 */ char eed_bootdev[2]; /* name of boot device (e.g. xy, ie) */
64: /* 0x01b */ char eed_bootctrl; /* controller number to boot from */
65: /* 0x01c */ char eed_bootunit; /* unit number to boot from */
66: /* 0x01d */ char eed_bootpart; /* partition number to boot from */
67: /* 0x01e */ char eed_kbdtype; /* non-Sun keyboard type - for OEM's */
68: #define EED_KBD_SUN 0 /* one of the Sun keyboards */
69: /* 0x01f */ char eed_console; /* device to use for console */
70: #define EED_CONS_BW 0x00 /* use b&w monitor for console */
71: #define EED_CONS_TTYA 0x10 /* use tty A port for console */
72: #define EED_CONS_TTYB 0x11 /* use tty B port for console */
73: #define EED_CONS_COLOR 0x12 /* use color monitor for console */
74: /* 0x020 */ char eed_showlogo; /* display Sun logo? */
75: #define EED_LOGO 0x00
76: #define EED_NOLOGO 0x12
77: /* 0x021 */ char eed_keyclick; /* keyboard click? */
78: #define EED_NOKEYCLICK 0x00
79: #define EED_KEYCLICK 0x12
80: /* 0x022 */ char eed_diagdev[2]; /* name of boot device (e.g. xy, ie) */
81: /* 0x024 */ char eed_diagctrl; /* controller number to boot from */
82: /* 0x025 */ char eed_diagunit; /* unit number to boot from */
83: /* 0x026 */ char eed_diagpart; /* partition number to boot from */
84: /* 0x027 */ char eed_diagnu; /* not used */
85: /* 0x028 */ char eed_diagpath[40]; /* boot path of diagnostic */
86: /* 0x050 */ char eed_nu5[8]; /* not used */
87: /* 0x058 */ struct eed_tty_def { /* tty port defaults */
88: char eet_unused[8];
89: } eed_ttya_def, eed_ttyb_def;
90: /* 0x068 */ char eed_banner[80]; /* banner if not displaying Sun logo */
91: /* last two chars must be \r\n (XXX - why not \0?) */
92: /* 0x0b8 */ u_short eed_pattern; /* test pattern - must contain 0xAA55 */
93: /* 0x0ba */ short eed_nu6; /* not used */
94: /* 0x0bc */ struct eed_conf { /* system configuration, by slot */
95: union {
96: struct eec_gen {
97: char eec_type; /* type of this board */
98: char eec_size[7]; /* size of each entry */
99: } eec_gen;
100:
101: #define EEC_TYPE_CPU 0x01 /* cpu */
102: struct eec_cpu {
103: char eec_type; /* type of this board */
104: char eec_cpu_memsize; /* MB's on cpu */
105: int eec_cpu_unused:6;
106: int eec_cpu_dcp:1; /* dcp? */
107: int eec_cpu_68881:1; /* 68881? */
108: char eec_cpu_cachesize; /* KB's in cache */
109: } eec_cpu;
110:
111: #define EEC_TYPE_MEM 0x02 /* memory board */
112: struct eec_mem {
113: char eec_type; /* type of this board */
114: char eec_mem_size; /* MB's on card */
115: } eec_mem;
116:
117: #define EEC_TYPE_COLOR 0x03 /* color frame buffer */
118: struct eec_color {
119: char eec_type; /* type of this board */
120: char eec_color_type;
121: #define EEC_COLOR_TYPE_CG2 2 /* cg2 color board */
122: #define EEC_COLOR_TYPE_CG3 3 /* cg3 color board */
123: } eec_color;
124:
125: #define EEC_TYPE_BW 0x04 /* b&w frame buffer */
126:
127: #define EEC_TYPE_FPA 0x05 /* floating point accelerator */
128:
129: #define EEC_TYPE_DISK 0x06 /* SMD disk controller */
130: struct eec_disk {
131: char eec_type; /* type of this board */
132: char eec_disk_type; /* controller type */
133: char eec_disk_ctlr; /* controller number */
134: char eec_disk_disks; /* number of disks */
135: } eec_disk;
136:
137: #define EEC_TYPE_TAPE 0x07 /* 1/2" tape controller */
138: struct eec_tape {
139: char eec_type; /* type of this board */
140: char eec_tape_type; /* controller type */
141: #define EEC_TAPE_TYPE_XT 1 /* Xylogics 472 */
142: #define EEC_TAPE_TYPE_MT 2 /* TapeMaster */
143: char eec_tape_ctlr; /* controller number */
144: char eec_tape_drives;/* number of drives */
145: } eec_tape;
146:
147: #define EEC_TYPE_ETHER 0x08 /* Ethernet controller */
148:
149: #define EEC_TYPE_TTY 0x09 /* terminal multiplexer */
150: struct eec_tty {
151: char eec_type; /* type of this board */
152: char eec_tty_lines; /* number of lines */
153: } eec_tty;
154:
155: #define EEC_TYPE_GPGB 0x0a /* graphics processor/buffer */
156:
157: #define EEC_TYPE_DCP 0x0b /* DCP ??? XXX */
158:
159: #define EEC_TYPE_SCSI 0x0c /* SCSI controller */
160: struct eec_scsi {
161: char eec_type; /* type of this board */
162: char eec_scsi_type; /* controller type */
163: char eec_scsi_tapes; /* number of tapes */
164: char eec_scsi_disks; /* number of disks */
165: } eec_scsi;
166:
167: #define EEC_TYPE_END 0xff /* end of card cage */
168: } eec_un;
169: } eed_conf[13];
170: /* 0x124 */ char eed_resv[0x500-0x124]; /* reserved */
171: } ee_diag;
172:
173: struct ee_resv { /* reserved area of EEPROM */
174: /* 0x500 */ u_short eev_wrcnt[3]; /* write count (3 copies) */
175: short eev_nu1; /* not used */
176: /* 0x508 */ u_char eev_chksum[3]; /* reserved area checksum (3 copies) */
177: char eev_nu2; /* not used */
178: /* 0x50c */ char eev_resv[0x600-0x50c];
179: } ee_resv;
180:
181: struct ee_rom { /* ROM area of EEPROM */
182: /* 0x600 */ u_short eer_wrcnt[3]; /* write count (3 copies) */
183: short eer_nu1; /* not used */
184: /* 0x608 */ u_char eer_chksum[3]; /* ROM area checksum (3 copies) */
185: char eer_nu2; /* not used */
186: /* 0x60c */ char eer_resv[0x700-0x60c];
187: } ee_rom;
188:
189: /*
190: * The following area is reserved for software (i.e. UNIX).
191: * The actual contents of this area are defined elsewhere.
192: */
193: #ifndef EE_SOFT_DEFINED
194: struct ee_softresv { /* software area of EEPROM */
195: /* 0x700 */ u_short ees_wrcnt[3]; /* write count (3 copies) */
196: short ees_nu1; /* not used */
197: /* 0x708 */ u_char ees_chksum[3]; /* software area checksum (3 copies) */
198: char ees_nu2; /* not used */
199: /* 0x70c */ char ees_resv[0x800-0x70c];
200: } ee_soft;
201: #else
202: struct ee_soft ee_soft;
203: #endif
204: };
205: #endif !_EPROM_
206: #endif
207:
208: #define EEPROM_SIZE 0x800 /* size of eeprom in bytes */
209: #define OBIO_EEPROM_ADDR 0x40000 /* address of eeprom in obio space */
210:
211: #define EEPROM_ADDR 0x0FFE0000 /* virtual address we map eeprom to */
212:
213: #define EEPROM ((struct eeprom *)EEPROM_ADDR)
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