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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 * Copyright (C) 1992 - 1997, 1999, 2000 Silicon Graphics, Inc.
7 * Copyright (C) 1999, 2000 by Ralf Baechle
8 */
9#ifndef _ASM_SN_ADDRS_H
10#define _ASM_SN_ADDRS_H
11
12
13#ifndef __ASSEMBLY__
14#include <linux/smp.h>
15#include <linux/types.h>
16#endif /* !__ASSEMBLY__ */
17
18#include <asm/addrspace.h>
19#include <asm/sn/kldir.h>
20
21#if defined(CONFIG_SGI_IP27)
22#include <asm/sn/sn0/addrs.h>
23#elif defined(CONFIG_SGI_IP35)
24#include <asm/sn/sn1/addrs.h>
25#endif
26
27
28#ifndef __ASSEMBLY__
29
30#define UINT64_CAST (unsigned long)
31
32#else /* __ASSEMBLY__ */
33
34#define UINT64_CAST
35
36#endif /* __ASSEMBLY__ */
37
38
39#define NASID_GET_META(_n) ((_n) >> NASID_LOCAL_BITS)
40#ifdef CONFIG_SGI_IP27
41#define NASID_GET_LOCAL(_n) ((_n) & 0xf)
42#endif
43#define NASID_MAKE(_m, _l) (((_m) << NASID_LOCAL_BITS) | (_l))
44
45#define NODE_ADDRSPACE_MASK (NODE_ADDRSPACE_SIZE - 1)
46#define TO_NODE_ADDRSPACE(_pa) (UINT64_CAST (_pa) & NODE_ADDRSPACE_MASK)
47
48#define CHANGE_ADDR_NASID(_pa, _nasid) \
49 ((UINT64_CAST(_pa) & ~NASID_MASK) | \
50 (UINT64_CAST(_nasid) << NASID_SHFT))
51
52
53/*
54 * The following macros are used to index to the beginning of a specific
55 * node's address space.
56 */
57
58#define NODE_OFFSET(_n) (UINT64_CAST (_n) << NODE_SIZE_BITS)
59
60#define NODE_CAC_BASE(_n) (CAC_BASE + NODE_OFFSET(_n))
61#define NODE_HSPEC_BASE(_n) (HSPEC_BASE + NODE_OFFSET(_n))
62#define NODE_IO_BASE(_n) (IO_BASE + NODE_OFFSET(_n))
63#define NODE_MSPEC_BASE(_n) (MSPEC_BASE + NODE_OFFSET(_n))
64#define NODE_UNCAC_BASE(_n) (UNCAC_BASE + NODE_OFFSET(_n))
65
66#define TO_NODE(_n, _x) (NODE_OFFSET(_n) | ((_x) ))
67#define TO_NODE_CAC(_n, _x) (NODE_CAC_BASE(_n) | ((_x) & TO_PHYS_MASK))
68#define TO_NODE_UNCAC(_n, _x) (NODE_UNCAC_BASE(_n) | ((_x) & TO_PHYS_MASK))
69#define TO_NODE_MSPEC(_n, _x) (NODE_MSPEC_BASE(_n) | ((_x) & TO_PHYS_MASK))
70#define TO_NODE_HSPEC(_n, _x) (NODE_HSPEC_BASE(_n) | ((_x) & TO_PHYS_MASK))
71
72
73#define RAW_NODE_SWIN_BASE(nasid, widget) \
74 (NODE_IO_BASE(nasid) + (UINT64_CAST(widget) << SWIN_SIZE_BITS))
75
76#define WIDGETID_GET(addr) ((unsigned char)((addr >> SWIN_SIZE_BITS) & 0xff))
77
78/*
79 * The following definitions pertain to the IO special address
80 * space. They define the location of the big and little windows
81 * of any given node.
82 */
83
84#define SWIN_SIZE_BITS 24
85#define SWIN_SIZE (UINT64_CAST 1 << 24)
86#define SWIN_SIZEMASK (SWIN_SIZE - 1)
87#define SWIN_WIDGET_MASK 0xF
88
89/*
90 * Convert smallwindow address to xtalk address.
91 *
92 * 'addr' can be physical or virtual address, but will be converted
93 * to Xtalk address in the range 0 -> SWINZ_SIZEMASK
94 */
95#define SWIN_WIDGETADDR(addr) ((addr) & SWIN_SIZEMASK)
96#define SWIN_WIDGETNUM(addr) (((addr) >> SWIN_SIZE_BITS) & SWIN_WIDGET_MASK)
97/*
98 * Verify if addr belongs to small window address on node with "nasid"
99 *
100 *
101 * NOTE: "addr" is expected to be XKPHYS address, and NOT physical
102 * address
103 *
104 *
105 */
106#define NODE_SWIN_ADDR(nasid, addr) \
107 (((addr) >= NODE_SWIN_BASE(nasid, 0)) && \
108 ((addr) < (NODE_SWIN_BASE(nasid, HUB_NUM_WIDGET) + SWIN_SIZE)\
109 ))
110
111/*
112 * The following define the major position-independent aliases used
113 * in SN.
114 * UALIAS -- 256MB in size, reads in the UALIAS result in
115 * uncached references to the memory of the reader's node.
116 * CPU_UALIAS -- 128kb in size, the bottom part of UALIAS is flipped
117 * depending on which CPU does the access to provide
118 * all CPUs with unique uncached memory at low addresses.
119 * LBOOT -- 256MB in size, reads in the LBOOT area result in
120 * uncached references to the local hub's boot prom and
121 * other directory-bus connected devices.
122 * IALIAS -- 8MB in size, reads in the IALIAS result in uncached
123 * references to the local hub's registers.
124 */
125
126#define UALIAS_BASE HSPEC_BASE
127#define UALIAS_SIZE 0x10000000 /* 256 Megabytes */
128#define UALIAS_LIMIT (UALIAS_BASE + UALIAS_SIZE)
129
130/*
131 * The bottom of ualias space is flipped depending on whether you're
132 * processor 0 or 1 within a node.
133 */
134#ifdef CONFIG_SGI_IP27
135#define UALIAS_FLIP_BASE UALIAS_BASE
136#define UALIAS_FLIP_SIZE 0x20000
137#define UALIAS_FLIP_BIT 0x10000
138#define UALIAS_FLIP_ADDR(_x) (cputoslice(smp_processor_id()) ? \
139 (_x) ^ UALIAS_FLIP_BIT : (_x))
140
141#define LBOOT_BASE (HSPEC_BASE + 0x10000000)
142#define LBOOT_SIZE 0x10000000
143#define LBOOT_LIMIT (LBOOT_BASE + LBOOT_SIZE)
144#define LBOOT_STRIDE 0 /* IP27 has only one CPU PROM */
145
146#endif
147
148#define HUB_REGISTER_WIDGET 1
149#define IALIAS_BASE NODE_SWIN_BASE(0, HUB_REGISTER_WIDGET)
150#define IALIAS_SIZE 0x800000 /* 8 Megabytes */
151#define IS_IALIAS(_a) (((_a) >= IALIAS_BASE) && \
152 ((_a) < (IALIAS_BASE + IALIAS_SIZE)))
153
154/*
155 * Macro for referring to Hub's RBOOT space
156 */
157
158#ifdef CONFIG_SGI_IP27
159#define RBOOT_SIZE 0x10000000 /* 256 Megabytes */
160#define NODE_RBOOT_BASE(_n) (NODE_HSPEC_BASE(_n) + 0x30000000)
161#define NODE_RBOOT_LIMIT(_n) (NODE_RBOOT_BASE(_n) + RBOOT_SIZE)
162
163#endif
164
165/*
166 * Macros for referring the Hub's back door space
167 *
168 * These macros correctly process addresses in any node's space.
169 * WARNING: They won't work in assembler.
170 *
171 * BDDIR_ENTRY_LO returns the address of the low double-word of the dir
172 * entry corresponding to a physical (Cac or Uncac) address.
173 * BDDIR_ENTRY_HI returns the address of the high double-word of the entry.
174 * BDPRT_ENTRY returns the address of the double-word protection entry
175 * corresponding to the page containing the physical address.
176 * BDPRT_ENTRY_S Stores the value into the protection entry.
177 * BDPRT_ENTRY_L Load the value from the protection entry.
178 * BDECC_ENTRY returns the address of the ECC byte corresponding to a
179 * double-word at a specified physical address.
180 * BDECC_ENTRY_H returns the address of the two ECC bytes corresponding to a
181 * quad-word at a specified physical address.
182 */
183#define NODE_BDOOR_BASE(_n) (NODE_HSPEC_BASE(_n) + (NODE_ADDRSPACE_SIZE/2))
184
185#define NODE_BDECC_BASE(_n) (NODE_BDOOR_BASE(_n))
186#define NODE_BDDIR_BASE(_n) (NODE_BDOOR_BASE(_n) + (NODE_ADDRSPACE_SIZE/4))
187#ifdef CONFIG_SGI_IP27
188#define BDDIR_ENTRY_LO(_pa) ((HSPEC_BASE + \
189 NODE_ADDRSPACE_SIZE * 3 / 4 + \
190 0x200) | \
191 UINT64_CAST(_pa) & NASID_MASK | \
192 UINT64_CAST(_pa) >> 2 & BDDIR_UPPER_MASK | \
193 UINT64_CAST(_pa) >> 3 & 0x1f << 4)
194
195#define BDDIR_ENTRY_HI(_pa) ((HSPEC_BASE + \
196 NODE_ADDRSPACE_SIZE * 3 / 4 + \
197 0x208) | \
198 UINT64_CAST(_pa) & NASID_MASK | \
199 UINT64_CAST(_pa) >> 2 & BDDIR_UPPER_MASK | \
200 UINT64_CAST(_pa) >> 3 & 0x1f << 4)
201
202#define BDPRT_ENTRY(_pa, _rgn) ((HSPEC_BASE + \
203 NODE_ADDRSPACE_SIZE * 3 / 4) | \
204 UINT64_CAST(_pa) & NASID_MASK | \
205 UINT64_CAST(_pa) >> 2 & BDDIR_UPPER_MASK | \
206 (_rgn) << 3)
207#define BDPRT_ENTRY_ADDR(_pa, _rgn) (BDPRT_ENTRY((_pa), (_rgn)))
208#define BDPRT_ENTRY_S(_pa, _rgn, _val) (*(__psunsigned_t *)BDPRT_ENTRY((_pa), (_rgn))=(_val))
209#define BDPRT_ENTRY_L(_pa, _rgn) (*(__psunsigned_t *)BDPRT_ENTRY((_pa), (_rgn)))
210
211#define BDECC_ENTRY(_pa) ((HSPEC_BASE + \
212 NODE_ADDRSPACE_SIZE / 2) | \
213 UINT64_CAST(_pa) & NASID_MASK | \
214 UINT64_CAST(_pa) >> 2 & BDECC_UPPER_MASK | \
215 UINT64_CAST(_pa) >> 3 & 3)
216
217/*
218 * Macro to convert a back door directory or protection address into the
219 * raw physical address of the associated cache line or protection page.
220 */
221#define BDADDR_IS_DIR(_ba) ((UINT64_CAST (_ba) & 0x200) != 0)
222#define BDADDR_IS_PRT(_ba) ((UINT64_CAST (_ba) & 0x200) == 0)
223
224#define BDDIR_TO_MEM(_ba) (UINT64_CAST (_ba) & NASID_MASK | \
225 (UINT64_CAST(_ba) & BDDIR_UPPER_MASK)<<2 | \
226 (UINT64_CAST(_ba) & 0x1f << 4) << 3)
227
228#define BDPRT_TO_MEM(_ba) (UINT64_CAST (_ba) & NASID_MASK | \
229 (UINT64_CAST(_ba) & BDDIR_UPPER_MASK)<<2)
230
231#define BDECC_TO_MEM(_ba) (UINT64_CAST (_ba) & NASID_MASK | \
232 (UINT64_CAST(_ba) & BDECC_UPPER_MASK)<<2 | \
233 (UINT64_CAST(_ba) & 3) << 3)
234#endif /* CONFIG_SGI_IP27 */
235
236
237/*
238 * The following macros produce the correct base virtual address for
239 * the hub registers. The LOCAL_HUB_* macros produce the appropriate
240 * address for the local registers. The REMOTE_HUB_* macro produce
241 * the address for the specified hub's registers. The intent is
242 * that the appropriate PI, MD, NI, or II register would be substituted
243 * for _x.
244 */
245
246/*
247 * WARNING:
248 * When certain Hub chip workaround are defined, it's not sufficient
249 * to dereference the *_HUB_ADDR() macros. You should instead use
250 * HUB_L() and HUB_S() if you must deal with pointers to hub registers.
251 * Otherwise, the recommended approach is to use *_HUB_L() and *_HUB_S().
252 * They're always safe.
253 */
254#define LOCAL_HUB_ADDR(_x) (IALIAS_BASE + (_x))
255#define REMOTE_HUB_ADDR(_n, _x) ((NODE_SWIN_BASE(_n, 1) + 0x800000 + (_x)))
256
257#ifndef __ASSEMBLY__
258
259#define LOCAL_HUB_PTR(_x) ((u64 *)LOCAL_HUB_ADDR((_x)))
260#define REMOTE_HUB_PTR(_n, _x) ((u64 *)REMOTE_HUB_ADDR((_n), (_x)))
261
262#define LOCAL_HUB_L(_r) __raw_readq(LOCAL_HUB_PTR(_r))
263#define LOCAL_HUB_S(_r, _d) __raw_writeq((_d), LOCAL_HUB_PTR(_r))
264#define REMOTE_HUB_L(_n, _r) __raw_readq(REMOTE_HUB_PTR((_n), (_r)))
265#define REMOTE_HUB_S(_n, _r, _d) __raw_writeq((_d), \
266 REMOTE_HUB_PTR((_n), (_r)))
267
268#endif /* !__ASSEMBLY__ */
269
270/*
271 * Software structure locations -- permanently fixed
272 * See diagram in kldir.h
273 */
274
275#define PHYS_RAMBASE 0x0
276#define K0_RAMBASE PHYS_TO_K0(PHYS_RAMBASE)
277
278#define EX_HANDLER_OFFSET(slice) ((slice) << 16)
279#define EX_HANDLER_ADDR(nasid, slice) \
280 PHYS_TO_K0(NODE_OFFSET(nasid) | EX_HANDLER_OFFSET(slice))
281#define EX_HANDLER_SIZE 0x0400
282
283#define EX_FRAME_OFFSET(slice) ((slice) << 16 | 0x400)
284#define EX_FRAME_ADDR(nasid, slice) \
285 PHYS_TO_K0(NODE_OFFSET(nasid) | EX_FRAME_OFFSET(slice))
286#define EX_FRAME_SIZE 0x0c00
287
288#define ARCS_SPB_OFFSET 0x1000
289#define ARCS_SPB_ADDR(nasid) \
290 PHYS_TO_K0(NODE_OFFSET(nasid) | ARCS_SPB_OFFSET)
291#define ARCS_SPB_SIZE 0x0400
292
293#define KLDIR_OFFSET 0x2000
294#define KLDIR_ADDR(nasid) \
295 TO_NODE_UNCAC((nasid), KLDIR_OFFSET)
296#define KLDIR_SIZE 0x0400
297
298
299/*
300 * Software structure locations -- indirected through KLDIR
301 * See diagram in kldir.h
302 *
303 * Important: All low memory structures must only be accessed
304 * uncached, except for the symmon stacks.
305 */
306
307#define KLI_LAUNCH 0 /* Dir. entries */
308#define KLI_KLCONFIG 1
309#define KLI_NMI 2
310#define KLI_GDA 3
311#define KLI_FREEMEM 4
312#define KLI_SYMMON_STK 5
313#define KLI_PI_ERROR 6
314#define KLI_KERN_VARS 7
315#define KLI_KERN_XP 8
316#define KLI_KERN_PARTID 9
317
318#ifndef __ASSEMBLY__
319
320#define KLD_BASE(nasid) ((kldir_ent_t *) KLDIR_ADDR(nasid))
321#define KLD_LAUNCH(nasid) (KLD_BASE(nasid) + KLI_LAUNCH)
322#define KLD_NMI(nasid) (KLD_BASE(nasid) + KLI_NMI)
323#define KLD_KLCONFIG(nasid) (KLD_BASE(nasid) + KLI_KLCONFIG)
324#define KLD_PI_ERROR(nasid) (KLD_BASE(nasid) + KLI_PI_ERROR)
325#define KLD_GDA(nasid) (KLD_BASE(nasid) + KLI_GDA)
326#define KLD_SYMMON_STK(nasid) (KLD_BASE(nasid) + KLI_SYMMON_STK)
327#define KLD_FREEMEM(nasid) (KLD_BASE(nasid) + KLI_FREEMEM)
328#define KLD_KERN_VARS(nasid) (KLD_BASE(nasid) + KLI_KERN_VARS)
329#define KLD_KERN_XP(nasid) (KLD_BASE(nasid) + KLI_KERN_XP)
330#define KLD_KERN_PARTID(nasid) (KLD_BASE(nasid) + KLI_KERN_PARTID)
331
332#define LAUNCH_OFFSET(nasid, slice) \
333 (KLD_LAUNCH(nasid)->offset + \
334 KLD_LAUNCH(nasid)->stride * (slice))
335#define LAUNCH_ADDR(nasid, slice) \
336 TO_NODE_UNCAC((nasid), LAUNCH_OFFSET(nasid, slice))
337#define LAUNCH_SIZE(nasid) KLD_LAUNCH(nasid)->size
338
339#define SN_NMI_OFFSET(nasid, slice) \
340 (KLD_NMI(nasid)->offset + \
341 KLD_NMI(nasid)->stride * (slice))
342#define NMI_ADDR(nasid, slice) \
343 TO_NODE_UNCAC((nasid), SN_NMI_OFFSET(nasid, slice))
344#define NMI_SIZE(nasid) KLD_NMI(nasid)->size
345
346#define KLCONFIG_OFFSET(nasid) KLD_KLCONFIG(nasid)->offset
347#define KLCONFIG_ADDR(nasid) \
348 TO_NODE_UNCAC((nasid), KLCONFIG_OFFSET(nasid))
349#define KLCONFIG_SIZE(nasid) KLD_KLCONFIG(nasid)->size
350
351#define GDA_ADDR(nasid) KLD_GDA(nasid)->pointer
352#define GDA_SIZE(nasid) KLD_GDA(nasid)->size
353
354#define SYMMON_STK_OFFSET(nasid, slice) \
355 (KLD_SYMMON_STK(nasid)->offset + \
356 KLD_SYMMON_STK(nasid)->stride * (slice))
357#define SYMMON_STK_STRIDE(nasid) KLD_SYMMON_STK(nasid)->stride
358
359#define SYMMON_STK_ADDR(nasid, slice) \
360 TO_NODE_CAC((nasid), SYMMON_STK_OFFSET(nasid, slice))
361
362#define SYMMON_STK_SIZE(nasid) KLD_SYMMON_STK(nasid)->stride
363
364#define SYMMON_STK_END(nasid) (SYMMON_STK_ADDR(nasid, 0) + KLD_SYMMON_STK(nasid)->size)
365
366#define NODE_OFFSET_TO_K0(_nasid, _off) \
367 PHYS_TO_K0((NODE_OFFSET(_nasid) + (_off)) | CAC_BASE)
368#define NODE_OFFSET_TO_K1(_nasid, _off) \
369 TO_UNCAC((NODE_OFFSET(_nasid) + (_off)) | UNCAC_BASE)
370
371#define KERN_VARS_ADDR(nasid) KLD_KERN_VARS(nasid)->pointer
372#define KERN_VARS_SIZE(nasid) KLD_KERN_VARS(nasid)->size
373
374#endif /* !__ASSEMBLY__ */
375
376
377#endif /* _ASM_SN_ADDRS_H */
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 * Copyright (C) 1992 - 1997, 1999, 2000 Silicon Graphics, Inc.
7 * Copyright (C) 1999, 2000 by Ralf Baechle
8 */
9#ifndef _ASM_SN_ADDRS_H
10#define _ASM_SN_ADDRS_H
11
12
13#ifndef __ASSEMBLY__
14#include <linux/smp.h>
15#include <linux/types.h>
16#endif /* !__ASSEMBLY__ */
17
18#include <asm/addrspace.h>
19#include <asm/sn/kldir.h>
20
21#if defined(CONFIG_SGI_IP27)
22#include <asm/sn/sn0/addrs.h>
23#elif defined(CONFIG_SGI_IP35)
24#include <asm/sn/sn1/addrs.h>
25#endif
26
27
28#ifndef __ASSEMBLY__
29
30#define PS_UINT_CAST (unsigned long)
31#define UINT64_CAST (unsigned long)
32
33#define HUBREG_CAST (volatile hubreg_t *)
34
35#else /* __ASSEMBLY__ */
36
37#define PS_UINT_CAST
38#define UINT64_CAST
39#define HUBREG_CAST
40
41#endif /* __ASSEMBLY__ */
42
43
44#define NASID_GET_META(_n) ((_n) >> NASID_LOCAL_BITS)
45#ifdef CONFIG_SGI_IP27
46#define NASID_GET_LOCAL(_n) ((_n) & 0xf)
47#endif
48#define NASID_MAKE(_m, _l) (((_m) << NASID_LOCAL_BITS) | (_l))
49
50#define NODE_ADDRSPACE_MASK (NODE_ADDRSPACE_SIZE - 1)
51#define TO_NODE_ADDRSPACE(_pa) (UINT64_CAST (_pa) & NODE_ADDRSPACE_MASK)
52
53#define CHANGE_ADDR_NASID(_pa, _nasid) \
54 ((UINT64_CAST(_pa) & ~NASID_MASK) | \
55 (UINT64_CAST(_nasid) << NASID_SHFT))
56
57
58/*
59 * The following macros are used to index to the beginning of a specific
60 * node's address space.
61 */
62
63#define NODE_OFFSET(_n) (UINT64_CAST (_n) << NODE_SIZE_BITS)
64
65#define NODE_CAC_BASE(_n) (CAC_BASE + NODE_OFFSET(_n))
66#define NODE_HSPEC_BASE(_n) (HSPEC_BASE + NODE_OFFSET(_n))
67#define NODE_IO_BASE(_n) (IO_BASE + NODE_OFFSET(_n))
68#define NODE_MSPEC_BASE(_n) (MSPEC_BASE + NODE_OFFSET(_n))
69#define NODE_UNCAC_BASE(_n) (UNCAC_BASE + NODE_OFFSET(_n))
70
71#define TO_NODE(_n, _x) (NODE_OFFSET(_n) | ((_x) ))
72#define TO_NODE_CAC(_n, _x) (NODE_CAC_BASE(_n) | ((_x) & TO_PHYS_MASK))
73#define TO_NODE_UNCAC(_n, _x) (NODE_UNCAC_BASE(_n) | ((_x) & TO_PHYS_MASK))
74#define TO_NODE_MSPEC(_n, _x) (NODE_MSPEC_BASE(_n) | ((_x) & TO_PHYS_MASK))
75#define TO_NODE_HSPEC(_n, _x) (NODE_HSPEC_BASE(_n) | ((_x) & TO_PHYS_MASK))
76
77
78#define RAW_NODE_SWIN_BASE(nasid, widget) \
79 (NODE_IO_BASE(nasid) + (UINT64_CAST(widget) << SWIN_SIZE_BITS))
80
81#define WIDGETID_GET(addr) ((unsigned char)((addr >> SWIN_SIZE_BITS) & 0xff))
82
83/*
84 * The following definitions pertain to the IO special address
85 * space. They define the location of the big and little windows
86 * of any given node.
87 */
88
89#define SWIN_SIZE_BITS 24
90#define SWIN_SIZE (UINT64_CAST 1 << 24)
91#define SWIN_SIZEMASK (SWIN_SIZE - 1)
92#define SWIN_WIDGET_MASK 0xF
93
94/*
95 * Convert smallwindow address to xtalk address.
96 *
97 * 'addr' can be physical or virtual address, but will be converted
98 * to Xtalk address in the range 0 -> SWINZ_SIZEMASK
99 */
100#define SWIN_WIDGETADDR(addr) ((addr) & SWIN_SIZEMASK)
101#define SWIN_WIDGETNUM(addr) (((addr) >> SWIN_SIZE_BITS) & SWIN_WIDGET_MASK)
102/*
103 * Verify if addr belongs to small window address on node with "nasid"
104 *
105 *
106 * NOTE: "addr" is expected to be XKPHYS address, and NOT physical
107 * address
108 *
109 *
110 */
111#define NODE_SWIN_ADDR(nasid, addr) \
112 (((addr) >= NODE_SWIN_BASE(nasid, 0)) && \
113 ((addr) < (NODE_SWIN_BASE(nasid, HUB_NUM_WIDGET) + SWIN_SIZE)\
114 ))
115
116/*
117 * The following define the major position-independent aliases used
118 * in SN.
119 * UALIAS -- 256MB in size, reads in the UALIAS result in
120 * uncached references to the memory of the reader's node.
121 * CPU_UALIAS -- 128kb in size, the bottom part of UALIAS is flipped
122 * depending on which CPU does the access to provide
123 * all CPUs with unique uncached memory at low addresses.
124 * LBOOT -- 256MB in size, reads in the LBOOT area result in
125 * uncached references to the local hub's boot prom and
126 * other directory-bus connected devices.
127 * IALIAS -- 8MB in size, reads in the IALIAS result in uncached
128 * references to the local hub's registers.
129 */
130
131#define UALIAS_BASE HSPEC_BASE
132#define UALIAS_SIZE 0x10000000 /* 256 Megabytes */
133#define UALIAS_LIMIT (UALIAS_BASE + UALIAS_SIZE)
134
135/*
136 * The bottom of ualias space is flipped depending on whether you're
137 * processor 0 or 1 within a node.
138 */
139#ifdef CONFIG_SGI_IP27
140#define UALIAS_FLIP_BASE UALIAS_BASE
141#define UALIAS_FLIP_SIZE 0x20000
142#define UALIAS_FLIP_BIT 0x10000
143#define UALIAS_FLIP_ADDR(_x) (cputoslice(smp_processor_id()) ? \
144 (_x) ^ UALIAS_FLIP_BIT : (_x))
145
146#define LBOOT_BASE (HSPEC_BASE + 0x10000000)
147#define LBOOT_SIZE 0x10000000
148#define LBOOT_LIMIT (LBOOT_BASE + LBOOT_SIZE)
149#define LBOOT_STRIDE 0 /* IP27 has only one CPU PROM */
150
151#endif
152
153#define HUB_REGISTER_WIDGET 1
154#define IALIAS_BASE NODE_SWIN_BASE(0, HUB_REGISTER_WIDGET)
155#define IALIAS_SIZE 0x800000 /* 8 Megabytes */
156#define IS_IALIAS(_a) (((_a) >= IALIAS_BASE) && \
157 ((_a) < (IALIAS_BASE + IALIAS_SIZE)))
158
159/*
160 * Macro for referring to Hub's RBOOT space
161 */
162
163#ifdef CONFIG_SGI_IP27
164#define RBOOT_SIZE 0x10000000 /* 256 Megabytes */
165#define NODE_RBOOT_BASE(_n) (NODE_HSPEC_BASE(_n) + 0x30000000)
166#define NODE_RBOOT_LIMIT(_n) (NODE_RBOOT_BASE(_n) + RBOOT_SIZE)
167
168#endif
169
170/*
171 * Macros for referring the Hub's back door space
172 *
173 * These macros correctly process addresses in any node's space.
174 * WARNING: They won't work in assembler.
175 *
176 * BDDIR_ENTRY_LO returns the address of the low double-word of the dir
177 * entry corresponding to a physical (Cac or Uncac) address.
178 * BDDIR_ENTRY_HI returns the address of the high double-word of the entry.
179 * BDPRT_ENTRY returns the address of the double-word protection entry
180 * corresponding to the page containing the physical address.
181 * BDPRT_ENTRY_S Stores the value into the protection entry.
182 * BDPRT_ENTRY_L Load the value from the protection entry.
183 * BDECC_ENTRY returns the address of the ECC byte corresponding to a
184 * double-word at a specified physical address.
185 * BDECC_ENTRY_H returns the address of the two ECC bytes corresponding to a
186 * quad-word at a specified physical address.
187 */
188#define NODE_BDOOR_BASE(_n) (NODE_HSPEC_BASE(_n) + (NODE_ADDRSPACE_SIZE/2))
189
190#define NODE_BDECC_BASE(_n) (NODE_BDOOR_BASE(_n))
191#define NODE_BDDIR_BASE(_n) (NODE_BDOOR_BASE(_n) + (NODE_ADDRSPACE_SIZE/4))
192#ifdef CONFIG_SGI_IP27
193#define BDDIR_ENTRY_LO(_pa) ((HSPEC_BASE + \
194 NODE_ADDRSPACE_SIZE * 3 / 4 + \
195 0x200) | \
196 UINT64_CAST(_pa) & NASID_MASK | \
197 UINT64_CAST(_pa) >> 2 & BDDIR_UPPER_MASK | \
198 UINT64_CAST(_pa) >> 3 & 0x1f << 4)
199
200#define BDDIR_ENTRY_HI(_pa) ((HSPEC_BASE + \
201 NODE_ADDRSPACE_SIZE * 3 / 4 + \
202 0x208) | \
203 UINT64_CAST(_pa) & NASID_MASK | \
204 UINT64_CAST(_pa) >> 2 & BDDIR_UPPER_MASK | \
205 UINT64_CAST(_pa) >> 3 & 0x1f << 4)
206
207#define BDPRT_ENTRY(_pa, _rgn) ((HSPEC_BASE + \
208 NODE_ADDRSPACE_SIZE * 3 / 4) | \
209 UINT64_CAST(_pa) & NASID_MASK | \
210 UINT64_CAST(_pa) >> 2 & BDDIR_UPPER_MASK | \
211 (_rgn) << 3)
212#define BDPRT_ENTRY_ADDR(_pa, _rgn) (BDPRT_ENTRY((_pa), (_rgn)))
213#define BDPRT_ENTRY_S(_pa, _rgn, _val) (*(__psunsigned_t *)BDPRT_ENTRY((_pa), (_rgn))=(_val))
214#define BDPRT_ENTRY_L(_pa, _rgn) (*(__psunsigned_t *)BDPRT_ENTRY((_pa), (_rgn)))
215
216#define BDECC_ENTRY(_pa) ((HSPEC_BASE + \
217 NODE_ADDRSPACE_SIZE / 2) | \
218 UINT64_CAST(_pa) & NASID_MASK | \
219 UINT64_CAST(_pa) >> 2 & BDECC_UPPER_MASK | \
220 UINT64_CAST(_pa) >> 3 & 3)
221
222/*
223 * Macro to convert a back door directory or protection address into the
224 * raw physical address of the associated cache line or protection page.
225 */
226#define BDADDR_IS_DIR(_ba) ((UINT64_CAST (_ba) & 0x200) != 0)
227#define BDADDR_IS_PRT(_ba) ((UINT64_CAST (_ba) & 0x200) == 0)
228
229#define BDDIR_TO_MEM(_ba) (UINT64_CAST (_ba) & NASID_MASK | \
230 (UINT64_CAST(_ba) & BDDIR_UPPER_MASK)<<2 | \
231 (UINT64_CAST(_ba) & 0x1f << 4) << 3)
232
233#define BDPRT_TO_MEM(_ba) (UINT64_CAST (_ba) & NASID_MASK | \
234 (UINT64_CAST(_ba) & BDDIR_UPPER_MASK)<<2)
235
236#define BDECC_TO_MEM(_ba) (UINT64_CAST (_ba) & NASID_MASK | \
237 (UINT64_CAST(_ba) & BDECC_UPPER_MASK)<<2 | \
238 (UINT64_CAST(_ba) & 3) << 3)
239#endif /* CONFIG_SGI_IP27 */
240
241
242/*
243 * The following macros produce the correct base virtual address for
244 * the hub registers. The LOCAL_HUB_* macros produce the appropriate
245 * address for the local registers. The REMOTE_HUB_* macro produce
246 * the address for the specified hub's registers. The intent is
247 * that the appropriate PI, MD, NI, or II register would be substituted
248 * for _x.
249 */
250
251/*
252 * WARNING:
253 * When certain Hub chip workaround are defined, it's not sufficient
254 * to dereference the *_HUB_ADDR() macros. You should instead use
255 * HUB_L() and HUB_S() if you must deal with pointers to hub registers.
256 * Otherwise, the recommended approach is to use *_HUB_L() and *_HUB_S().
257 * They're always safe.
258 */
259#define LOCAL_HUB_ADDR(_x) (HUBREG_CAST (IALIAS_BASE + (_x)))
260#define REMOTE_HUB_ADDR(_n, _x) (HUBREG_CAST (NODE_SWIN_BASE(_n, 1) + \
261 0x800000 + (_x)))
262#ifdef CONFIG_SGI_IP27
263#define REMOTE_HUB_PI_ADDR(_n, _sn, _x) (HUBREG_CAST (NODE_SWIN_BASE(_n, 1) + \
264 0x800000 + (_x)))
265#endif /* CONFIG_SGI_IP27 */
266
267#ifndef __ASSEMBLY__
268
269#define HUB_L(_a) *(_a)
270#define HUB_S(_a, _d) *(_a) = (_d)
271
272#define LOCAL_HUB_L(_r) HUB_L(LOCAL_HUB_ADDR(_r))
273#define LOCAL_HUB_S(_r, _d) HUB_S(LOCAL_HUB_ADDR(_r), (_d))
274#define REMOTE_HUB_L(_n, _r) HUB_L(REMOTE_HUB_ADDR((_n), (_r)))
275#define REMOTE_HUB_S(_n, _r, _d) HUB_S(REMOTE_HUB_ADDR((_n), (_r)), (_d))
276#define REMOTE_HUB_PI_L(_n, _sn, _r) HUB_L(REMOTE_HUB_PI_ADDR((_n), (_sn), (_r)))
277#define REMOTE_HUB_PI_S(_n, _sn, _r, _d) HUB_S(REMOTE_HUB_PI_ADDR((_n), (_sn), (_r)), (_d))
278
279#endif /* !__ASSEMBLY__ */
280
281/*
282 * The following macros are used to get to a hub/bridge register, given
283 * the base of the register space.
284 */
285#define HUB_REG_PTR(_base, _off) \
286 (HUBREG_CAST((__psunsigned_t)(_base) + (__psunsigned_t)(_off)))
287
288#define HUB_REG_PTR_L(_base, _off) \
289 HUB_L(HUB_REG_PTR((_base), (_off)))
290
291#define HUB_REG_PTR_S(_base, _off, _data) \
292 HUB_S(HUB_REG_PTR((_base), (_off)), (_data))
293
294/*
295 * Software structure locations -- permanently fixed
296 * See diagram in kldir.h
297 */
298
299#define PHYS_RAMBASE 0x0
300#define K0_RAMBASE PHYS_TO_K0(PHYS_RAMBASE)
301
302#define EX_HANDLER_OFFSET(slice) ((slice) << 16)
303#define EX_HANDLER_ADDR(nasid, slice) \
304 PHYS_TO_K0(NODE_OFFSET(nasid) | EX_HANDLER_OFFSET(slice))
305#define EX_HANDLER_SIZE 0x0400
306
307#define EX_FRAME_OFFSET(slice) ((slice) << 16 | 0x400)
308#define EX_FRAME_ADDR(nasid, slice) \
309 PHYS_TO_K0(NODE_OFFSET(nasid) | EX_FRAME_OFFSET(slice))
310#define EX_FRAME_SIZE 0x0c00
311
312#define ARCS_SPB_OFFSET 0x1000
313#define ARCS_SPB_ADDR(nasid) \
314 PHYS_TO_K0(NODE_OFFSET(nasid) | ARCS_SPB_OFFSET)
315#define ARCS_SPB_SIZE 0x0400
316
317#define KLDIR_OFFSET 0x2000
318#define KLDIR_ADDR(nasid) \
319 TO_NODE_UNCAC((nasid), KLDIR_OFFSET)
320#define KLDIR_SIZE 0x0400
321
322
323/*
324 * Software structure locations -- indirected through KLDIR
325 * See diagram in kldir.h
326 *
327 * Important: All low memory structures must only be accessed
328 * uncached, except for the symmon stacks.
329 */
330
331#define KLI_LAUNCH 0 /* Dir. entries */
332#define KLI_KLCONFIG 1
333#define KLI_NMI 2
334#define KLI_GDA 3
335#define KLI_FREEMEM 4
336#define KLI_SYMMON_STK 5
337#define KLI_PI_ERROR 6
338#define KLI_KERN_VARS 7
339#define KLI_KERN_XP 8
340#define KLI_KERN_PARTID 9
341
342#ifndef __ASSEMBLY__
343
344#define KLD_BASE(nasid) ((kldir_ent_t *) KLDIR_ADDR(nasid))
345#define KLD_LAUNCH(nasid) (KLD_BASE(nasid) + KLI_LAUNCH)
346#define KLD_NMI(nasid) (KLD_BASE(nasid) + KLI_NMI)
347#define KLD_KLCONFIG(nasid) (KLD_BASE(nasid) + KLI_KLCONFIG)
348#define KLD_PI_ERROR(nasid) (KLD_BASE(nasid) + KLI_PI_ERROR)
349#define KLD_GDA(nasid) (KLD_BASE(nasid) + KLI_GDA)
350#define KLD_SYMMON_STK(nasid) (KLD_BASE(nasid) + KLI_SYMMON_STK)
351#define KLD_FREEMEM(nasid) (KLD_BASE(nasid) + KLI_FREEMEM)
352#define KLD_KERN_VARS(nasid) (KLD_BASE(nasid) + KLI_KERN_VARS)
353#define KLD_KERN_XP(nasid) (KLD_BASE(nasid) + KLI_KERN_XP)
354#define KLD_KERN_PARTID(nasid) (KLD_BASE(nasid) + KLI_KERN_PARTID)
355
356#define LAUNCH_OFFSET(nasid, slice) \
357 (KLD_LAUNCH(nasid)->offset + \
358 KLD_LAUNCH(nasid)->stride * (slice))
359#define LAUNCH_ADDR(nasid, slice) \
360 TO_NODE_UNCAC((nasid), LAUNCH_OFFSET(nasid, slice))
361#define LAUNCH_SIZE(nasid) KLD_LAUNCH(nasid)->size
362
363#define SN_NMI_OFFSET(nasid, slice) \
364 (KLD_NMI(nasid)->offset + \
365 KLD_NMI(nasid)->stride * (slice))
366#define NMI_ADDR(nasid, slice) \
367 TO_NODE_UNCAC((nasid), SN_NMI_OFFSET(nasid, slice))
368#define NMI_SIZE(nasid) KLD_NMI(nasid)->size
369
370#define KLCONFIG_OFFSET(nasid) KLD_KLCONFIG(nasid)->offset
371#define KLCONFIG_ADDR(nasid) \
372 TO_NODE_UNCAC((nasid), KLCONFIG_OFFSET(nasid))
373#define KLCONFIG_SIZE(nasid) KLD_KLCONFIG(nasid)->size
374
375#define GDA_ADDR(nasid) KLD_GDA(nasid)->pointer
376#define GDA_SIZE(nasid) KLD_GDA(nasid)->size
377
378#define SYMMON_STK_OFFSET(nasid, slice) \
379 (KLD_SYMMON_STK(nasid)->offset + \
380 KLD_SYMMON_STK(nasid)->stride * (slice))
381#define SYMMON_STK_STRIDE(nasid) KLD_SYMMON_STK(nasid)->stride
382
383#define SYMMON_STK_ADDR(nasid, slice) \
384 TO_NODE_CAC((nasid), SYMMON_STK_OFFSET(nasid, slice))
385
386#define SYMMON_STK_SIZE(nasid) KLD_SYMMON_STK(nasid)->stride
387
388#define SYMMON_STK_END(nasid) (SYMMON_STK_ADDR(nasid, 0) + KLD_SYMMON_STK(nasid)->size)
389
390/* loading symmon 4k below UNIX. the arcs loader needs the topaddr for a
391 * relocatable program
392 */
393#define UNIX_DEBUG_LOADADDR 0x300000
394#define SYMMON_LOADADDR(nasid) \
395 TO_NODE(nasid, PHYS_TO_K0(UNIX_DEBUG_LOADADDR - 0x1000))
396
397#define FREEMEM_OFFSET(nasid) KLD_FREEMEM(nasid)->offset
398#define FREEMEM_ADDR(nasid) SYMMON_STK_END(nasid)
399/*
400 * XXX
401 * Fix this. FREEMEM_ADDR should be aware of if symmon is loaded.
402 * Also, it should take into account what prom thinks to be a safe
403 * address
404 PHYS_TO_K0(NODE_OFFSET(nasid) + FREEMEM_OFFSET(nasid))
405 */
406#define FREEMEM_SIZE(nasid) KLD_FREEMEM(nasid)->size
407
408#define PI_ERROR_OFFSET(nasid) KLD_PI_ERROR(nasid)->offset
409#define PI_ERROR_ADDR(nasid) \
410 TO_NODE_UNCAC((nasid), PI_ERROR_OFFSET(nasid))
411#define PI_ERROR_SIZE(nasid) KLD_PI_ERROR(nasid)->size
412
413#define NODE_OFFSET_TO_K0(_nasid, _off) \
414 PHYS_TO_K0((NODE_OFFSET(_nasid) + (_off)) | CAC_BASE)
415#define NODE_OFFSET_TO_K1(_nasid, _off) \
416 TO_UNCAC((NODE_OFFSET(_nasid) + (_off)) | UNCAC_BASE)
417#define K0_TO_NODE_OFFSET(_k0addr) \
418 ((__psunsigned_t)(_k0addr) & NODE_ADDRSPACE_MASK)
419
420#define KERN_VARS_ADDR(nasid) KLD_KERN_VARS(nasid)->pointer
421#define KERN_VARS_SIZE(nasid) KLD_KERN_VARS(nasid)->size
422
423#define KERN_XP_ADDR(nasid) KLD_KERN_XP(nasid)->pointer
424#define KERN_XP_SIZE(nasid) KLD_KERN_XP(nasid)->size
425
426#define GPDA_ADDR(nasid) TO_NODE_CAC(nasid, GPDA_OFFSET)
427
428#endif /* !__ASSEMBLY__ */
429
430
431#endif /* _ASM_SN_ADDRS_H */