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initial commit with v2.6.9
[linux-2.6.9-moxart.git] / include / asm-ia64 / sn / kldir.h
blob685f110b9ec766892a1514b17d7600214cffb0eb
1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Derived from IRIX <sys/SN/kldir.h>, revision 1.21.
7 *
8 * Copyright (C) 1992-1997,1999,2001-2003 Silicon Graphics, Inc. All Rights Reserved.
9 * Copyright (C) 1999 by Ralf Baechle
10 */
11 #ifndef _ASM_IA64_SN_KLDIR_H
12 #define _ASM_IA64_SN_KLDIR_H
13
14 #include <linux/types.h>
15
16 /*
17 * The kldir memory area resides at a fixed place in each node's memory and
18 * provides pointers to most other IP27 memory areas. This allows us to
19 * resize and/or relocate memory areas at a later time without breaking all
20 * firmware and kernels that use them. Indices in the array are
21 * permanently dedicated to areas listed below. Some memory areas (marked
22 * below) reside at a permanently fixed location, but are included in the
23 * directory for completeness.
24 */
25
26 #define KLDIR_MAGIC 0x434d5f53505f5357
27
28 /*
29 * The upper portion of the memory map applies during boot
30 * only and is overwritten by IRIX/SYMMON.
31 *
32 * MEMORY MAP PER NODE
33 *
34 * 0x2000000 (32M) +-----------------------------------------+
35 * | IO6 BUFFERS FOR FLASH ENET IOC3 |
36 * 0x1F80000 (31.5M) +-----------------------------------------+
37 * | IO6 TEXT/DATA/BSS/stack |
38 * 0x1C00000 (30M) +-----------------------------------------+
39 * | IO6 PROM DEBUG TEXT/DATA/BSS/stack |
40 * 0x0800000 (28M) +-----------------------------------------+
41 * | IP27 PROM TEXT/DATA/BSS/stack |
42 * 0x1B00000 (27M) +-----------------------------------------+
43 * | IP27 CFG |
44 * 0x1A00000 (26M) +-----------------------------------------+
45 * | Graphics PROM |
46 * 0x1800000 (24M) +-----------------------------------------+
47 * | 3rd Party PROM drivers |
48 * 0x1600000 (22M) +-----------------------------------------+
49 * | |
50 * | Free |
51 * | |
52 * +-----------------------------------------+
53 * | UNIX DEBUG Version |
54 * 0x190000 (2M--) +-----------------------------------------+
55 * | SYMMON |
56 * | (For UNIX Debug only) |
57 * 0x34000 (208K) +-----------------------------------------+
58 * | SYMMON STACK [NUM_CPU_PER_NODE] |
59 * | (For UNIX Debug only) |
60 * 0x25000 (148K) +-----------------------------------------+
61 * | KLCONFIG - II (temp) |
62 * | |
63 * | ---------------------------- |
64 * | |
65 * | UNIX NON-DEBUG Version |
66 * 0x19000 (100K) +-----------------------------------------+
67 *
68 *
69 * The lower portion of the memory map contains information that is
70 * permanent and is used by the IP27PROM, IO6PROM and IRIX.
71 *
72 * 0x19000 (100K) +-----------------------------------------+
73 * | |
74 * | PI Error Spools (32K) |
75 * | |
76 * 0x12000 (72K) +-----------------------------------------+
77 * | Unused |
78 * 0x11c00 (71K) +-----------------------------------------+
79 * | CPU 1 NMI Eframe area |
80 * 0x11a00 (70.5K) +-----------------------------------------+
81 * | CPU 0 NMI Eframe area |
82 * 0x11800 (70K) +-----------------------------------------+
83 * | CPU 1 NMI Register save area |
84 * 0x11600 (69.5K) +-----------------------------------------+
85 * | CPU 0 NMI Register save area |
86 * 0x11400 (69K) +-----------------------------------------+
87 * | GDA (1k) |
88 * 0x11000 (68K) +-----------------------------------------+
89 * | Early cache Exception stack |
90 * | and/or |
91 * | kernel/io6prom nmi registers |
92 * 0x10800 (66k) +-----------------------------------------+
93 * | cache error eframe |
94 * 0x10400 (65K) +-----------------------------------------+
95 * | Exception Handlers (UALIAS copy) |
96 * 0x10000 (64K) +-----------------------------------------+
97 * | |
98 * | |
99 * | KLCONFIG - I (permanent) (48K) |
100 * | |
101 * | |
102 * | |
103 * 0x4000 (16K) +-----------------------------------------+
104 * | NMI Handler (Protected Page) |
105 * 0x3000 (12K) +-----------------------------------------+
106 * | ARCS PVECTORS (master node only) |
107 * 0x2c00 (11K) +-----------------------------------------+
108 * | ARCS TVECTORS (master node only) |
109 * 0x2800 (10K) +-----------------------------------------+
110 * | LAUNCH [NUM_CPU] |
111 * 0x2400 (9K) +-----------------------------------------+
112 * | Low memory directory (KLDIR) |
113 * 0x2000 (8K) +-----------------------------------------+
114 * | ARCS SPB (1K) |
115 * 0x1000 (4K) +-----------------------------------------+
116 * | Early cache Exception stack |
117 * | and/or |
118 * | kernel/io6prom nmi registers |
119 * 0x800 (2k) +-----------------------------------------+
120 * | cache error eframe |
121 * 0x400 (1K) +-----------------------------------------+
122 * | Exception Handlers |
123 * 0x0 (0K) +-----------------------------------------+
124 */
125
126 #ifdef __ASSEMBLY__
127 #define KLDIR_OFF_MAGIC 0x00
128 #define KLDIR_OFF_OFFSET 0x08
129 #define KLDIR_OFF_POINTER 0x10
130 #define KLDIR_OFF_SIZE 0x18
131 #define KLDIR_OFF_COUNT 0x20
132 #define KLDIR_OFF_STRIDE 0x28
133 #endif /* __ASSEMBLY__ */
134
135 #ifndef __ASSEMBLY__
136 typedef struct kldir_ent_s {
137 u64 magic; /* Indicates validity of entry */
138 off_t offset; /* Offset from start of node space */
139 unsigned long pointer; /* Pointer to area in some cases */
140 size_t size; /* Size in bytes */
141 u64 count; /* Repeat count if array, 1 if not */
142 size_t stride; /* Stride if array, 0 if not */
143 char rsvd[16]; /* Pad entry to 0x40 bytes */
144 /* NOTE: These 16 bytes are used in the Partition KLDIR
145 entry to store partition info. Refer to klpart.h for this. */
146 } kldir_ent_t;
147 #endif /* __ASSEMBLY__ */
148
149
150 #define KLDIR_ENT_SIZE 0x40
151 #define KLDIR_MAX_ENTRIES (0x400 / 0x40)
152
153
154
155 /*
156 * The upper portion of the memory map applies during boot
157 * only and is overwritten by IRIX/SYMMON. The minimum memory bank
158 * size on IP35 is 64M, which provides a limit on the amount of space
159 * the PROM can assume it has available.
160 *
161 * Most of the addresses below are defined as macros in this file, or
162 * in SN/addrs.h or SN/SN1/addrs.h.
163 *
164 * MEMORY MAP PER NODE
165 *
166 * 0x4000000 (64M) +-----------------------------------------+
167 * | |
168 * | |
169 * | IO7 TEXT/DATA/BSS/stack |
170 * 0x3000000 (48M) +-----------------------------------------+
171 * | Free |
172 * 0x2102000 (>33M) +-----------------------------------------+
173 * | IP35 Topology (PCFG) + misc data |
174 * 0x2000000 (32M) +-----------------------------------------+
175 * | IO7 BUFFERS FOR FLASH ENET IOC3 |
176 * 0x1F80000 (31.5M) +-----------------------------------------+
177 * | Free |
178 * 0x1C00000 (28M) +-----------------------------------------+
179 * | IP35 PROM TEXT/DATA/BSS/stack |
180 * 0x1A00000 (26M) +-----------------------------------------+
181 * | Routing temp. space |
182 * 0x1800000 (24M) +-----------------------------------------+
183 * | Diagnostics temp. space |
184 * 0x1500000 (21M) +-----------------------------------------+
185 * | Free |
186 * 0x1400000 (20M) +-----------------------------------------+
187 * | IO7 PROM temporary copy |
188 * 0x1300000 (19M) +-----------------------------------------+
189 * | |
190 * | Free |
191 * | (UNIX DATA starts above 0x1000000) |
192 * | |
193 * +-----------------------------------------+
194 * | UNIX DEBUG Version |
195 * 0x0310000 (3.1M) +-----------------------------------------+
196 * | SYMMON, loaded just below UNIX |
197 * | (For UNIX Debug only) |
198 * | |
199 * | |
200 * 0x006C000 (432K) +-----------------------------------------+
201 * | SYMMON STACK [NUM_CPU_PER_NODE] |
202 * | (For UNIX Debug only) |
203 * 0x004C000 (304K) +-----------------------------------------+
204 * | |
205 * | |
206 * | UNIX NON-DEBUG Version |
207 * 0x0040000 (256K) +-----------------------------------------+
208 *
209 *
210 * The lower portion of the memory map contains information that is
211 * permanent and is used by the IP35PROM, IO7PROM and IRIX.
212 *
213 * 0x40000 (256K) +-----------------------------------------+
214 * | |
215 * | KLCONFIG (64K) |
216 * | |
217 * 0x30000 (192K) +-----------------------------------------+
218 * | |
219 * | PI Error Spools (64K) |
220 * | |
221 * 0x20000 (128K) +-----------------------------------------+
222 * | |
223 * | Unused |
224 * | |
225 * 0x19000 (100K) +-----------------------------------------+
226 * | Early cache Exception stack (CPU 3)|
227 * 0x18800 (98K) +-----------------------------------------+
228 * | cache error eframe (CPU 3) |
229 * 0x18400 (97K) +-----------------------------------------+
230 * | Exception Handlers (CPU 3) |
231 * 0x18000 (96K) +-----------------------------------------+
232 * | |
233 * | Unused |
234 * | |
235 * 0x13c00 (79K) +-----------------------------------------+
236 * | GPDA (8k) |
237 * 0x11c00 (71K) +-----------------------------------------+
238 * | Early cache Exception stack (CPU 2)|
239 * 0x10800 (66k) +-----------------------------------------+
240 * | cache error eframe (CPU 2) |
241 * 0x10400 (65K) +-----------------------------------------+
242 * | Exception Handlers (CPU 2) |
243 * 0x10000 (64K) +-----------------------------------------+
244 * | |
245 * | Unused |
246 * | |
247 * 0x0b400 (45K) +-----------------------------------------+
248 * | GDA (1k) |
249 * 0x0b000 (44K) +-----------------------------------------+
250 * | NMI Eframe areas (4) |
251 * 0x0a000 (40K) +-----------------------------------------+
252 * | NMI Register save areas (4) |
253 * 0x09000 (36K) +-----------------------------------------+
254 * | Early cache Exception stack (CPU 1)|
255 * 0x08800 (34K) +-----------------------------------------+
256 * | cache error eframe (CPU 1) |
257 * 0x08400 (33K) +-----------------------------------------+
258 * | Exception Handlers (CPU 1) |
259 * 0x08000 (32K) +-----------------------------------------+
260 * | |
261 * | |
262 * | Unused |
263 * | |
264 * | |
265 * 0x04000 (16K) +-----------------------------------------+
266 * | NMI Handler (Protected Page) |
267 * 0x03000 (12K) +-----------------------------------------+
268 * | ARCS PVECTORS (master node only) |
269 * 0x02c00 (11K) +-----------------------------------------+
270 * | ARCS TVECTORS (master node only) |
271 * 0x02800 (10K) +-----------------------------------------+
272 * | LAUNCH [NUM_CPU] |
273 * 0x02400 (9K) +-----------------------------------------+
274 * | Low memory directory (KLDIR) |
275 * 0x02000 (8K) +-----------------------------------------+
276 * | ARCS SPB (1K) |
277 * 0x01000 (4K) +-----------------------------------------+
278 * | Early cache Exception stack (CPU 0)|
279 * 0x00800 (2k) +-----------------------------------------+
280 * | cache error eframe (CPU 0) |
281 * 0x00400 (1K) +-----------------------------------------+
282 * | Exception Handlers (CPU 0) |
283 * 0x00000 (0K) +-----------------------------------------+
284 */
285
286 /*
287 * NOTE: To change the kernel load address, you must update:
288 * - the appropriate elspec files in irix/kern/master.d
289 * - NODEBUGUNIX_ADDR in SN/SN1/addrs.h
290 * - IP27_FREEMEM_OFFSET below
291 * - KERNEL_START_OFFSET below (if supporting cells)
292 */
293
294
295 /*
296 * This is defined here because IP27_SYMMON_STK_SIZE must be at least what
297 * we define here. Since it's set up in the prom. We can't redefine it later
298 * and expect more space to be allocated. The way to find out the true size
299 * of the symmon stacks is to divide SYMMON_STK_SIZE by SYMMON_STK_STRIDE
300 * for a particular node.
301 */
302 #define SYMMON_STACK_SIZE 0x8000
303
304 #if defined (PROM) || defined (SABLE)
305
306 /*
307 * These defines are prom version dependent. No code other than the IP35
308 * prom should attempt to use these values.
309 */
310 #define IP27_LAUNCH_OFFSET 0x2400
311 #define IP27_LAUNCH_SIZE 0x400
312 #define IP27_LAUNCH_COUNT 4
313 #define IP27_LAUNCH_STRIDE 0x100 /* could be as small as 0x80 */
314
315 #define IP27_KLCONFIG_OFFSET 0x30000
316 #define IP27_KLCONFIG_SIZE 0x10000
317 #define IP27_KLCONFIG_COUNT 1
318 #define IP27_KLCONFIG_STRIDE 0
319
320 #define IP27_NMI_OFFSET 0x3000
321 #define IP27_NMI_SIZE 0x100
322 #define IP27_NMI_COUNT 4
323 #define IP27_NMI_STRIDE 0x40
324
325 #define IP27_PI_ERROR_OFFSET 0x20000
326 #define IP27_PI_ERROR_SIZE 0x10000
327 #define IP27_PI_ERROR_COUNT 1
328 #define IP27_PI_ERROR_STRIDE 0
329
330 #define IP27_SYMMON_STK_OFFSET 0x4c000
331 #define IP27_SYMMON_STK_SIZE 0x20000
332 #define IP27_SYMMON_STK_COUNT 4
333 /* IP27_SYMMON_STK_STRIDE must be >= SYMMON_STACK_SIZE */
334 #define IP27_SYMMON_STK_STRIDE 0x8000
335
336 #define IP27_FREEMEM_OFFSET 0x40000
337 #define IP27_FREEMEM_SIZE (-1)
338 #define IP27_FREEMEM_COUNT 1
339 #define IP27_FREEMEM_STRIDE 0
340
341 #endif /* PROM || SABLE*/
342 /*
343 * There will be only one of these in a partition so the IO7 must set it up.
344 */
345 #define IO6_GDA_OFFSET 0xb000
346 #define IO6_GDA_SIZE 0x400
347 #define IO6_GDA_COUNT 1
348 #define IO6_GDA_STRIDE 0
349
350 /*
351 * save area of kernel nmi regs in the prom format
352 */
353 #define IP27_NMI_KREGS_OFFSET 0x9000
354 #define IP27_NMI_KREGS_CPU_SIZE 0x400
355 /*
356 * save area of kernel nmi regs in eframe format
357 */
358 #define IP27_NMI_EFRAME_OFFSET 0xa000
359 #define IP27_NMI_EFRAME_SIZE 0x400
360
361 #define GPDA_OFFSET 0x11c00
362
363 #endif /* _ASM_IA64_SN_KLDIR_H */
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