aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-alpha/core_tsunami.h
blob: 58d4fe48742c49c09b03657c97d6269d7e930d02 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
#ifndef __ALPHA_TSUNAMI__H__
#define __ALPHA_TSUNAMI__H__

#include <linux/types.h>
#include <linux/pci.h>
#include <asm/compiler.h>

/*
 * TSUNAMI/TYPHOON are the internal names for the core logic chipset which
 * provides memory controller and PCI access for the 21264 based systems.
 *
 * This file is based on:
 *
 * Tsunami System Programmers Manual
 * Preliminary, Chapters 2-5
 *
 */

/* XXX: Do we need to conditionalize on this?  */
#ifdef USE_48_BIT_KSEG
#define TS_BIAS 0x80000000000UL
#else
#define TS_BIAS 0x10000000000UL
#endif

/*
 * CChip, DChip, and PChip registers
 */

typedef struct {
	volatile unsigned long csr __attribute__((aligned(64)));
} tsunami_64;

typedef struct {
	tsunami_64	csc;
	tsunami_64	mtr;
	tsunami_64	misc;
	tsunami_64	mpd;
	tsunami_64	aar0;
	tsunami_64	aar1;
	tsunami_64	aar2;
	tsunami_64	aar3;
	tsunami_64	dim0;
	tsunami_64	dim1;
	tsunami_64	dir0;
	tsunami_64	dir1;
	tsunami_64	drir;
	tsunami_64	prben;
	tsunami_64	iic;	/* a.k.a. iic0 */
	tsunami_64	wdr;	/* a.k.a. iic1 */
	tsunami_64	mpr0;
	tsunami_64	mpr1;
	tsunami_64	mpr2;
	tsunami_64	mpr3;
	tsunami_64	mctl;
	tsunami_64	__pad1;
	tsunami_64	ttr;
	tsunami_64	tdr;
	tsunami_64	dim2;
	tsunami_64	dim3;
	tsunami_64	dir2;
	tsunami_64	dir3;
	tsunami_64	iic2;
	tsunami_64	iic3;
} tsunami_cchip;

typedef struct {
	tsunami_64	dsc;
	tsunami_64	str;
	tsunami_64	drev;
} tsunami_dchip;

typedef struct {
	tsunami_64	wsba[4];
	tsunami_64	wsm[4];
	tsunami_64	tba[4];
	tsunami_64	pctl;
	tsunami_64	plat;
	tsunami_64	reserved;
	tsunami_64	perror;
	tsunami_64	perrmask;
	tsunami_64	perrset;
	tsunami_64	tlbiv;
	tsunami_64	tlbia;
	tsunami_64	pmonctl;
	tsunami_64	pmoncnt;
} tsunami_pchip;

#define TSUNAMI_cchip  ((tsunami_cchip *)(IDENT_ADDR+TS_BIAS+0x1A0000000UL))
#define TSUNAMI_dchip  ((tsunami_dchip *)(IDENT_ADDR+TS_BIAS+0x1B0000800UL))
#define TSUNAMI_pchip0 ((tsunami_pchip *)(IDENT_ADDR+TS_BIAS+0x180000000UL))
#define TSUNAMI_pchip1 ((tsunami_pchip *)(IDENT_ADDR+TS_BIAS+0x380000000UL))
extern int TSUNAMI_bootcpu;

/*
 * TSUNAMI Pchip Error register.
 */

#define perror_m_lost 0x1
#define perror_m_serr 0x2
#define perror_m_perr 0x4
#define perror_m_dcrto 0x8
#define perror_m_sge 0x10
#define perror_m_ape 0x20
#define perror_m_ta 0x40
#define perror_m_rdpe 0x80
#define perror_m_nds 0x100
#define perror_m_rto 0x200
#define perror_m_uecc 0x400
#define perror_m_cre 0x800
#define perror_m_addrl 0xFFFFFFFF0000UL
#define perror_m_addrh 0x7000000000000UL
#define perror_m_cmd 0xF0000000000000UL
#define perror_m_syn 0xFF00000000000000UL
union TPchipPERROR {   
	struct  {
		unsigned int perror_v_lost : 1;
		unsigned perror_v_serr : 1;
		unsigned perror_v_perr : 1;
		unsigned perror_v_dcrto : 1;
		unsigned perror_v_sge : 1;
		unsigned perror_v_ape : 1;
		unsigned perror_v_ta : 1;
		unsigned perror_v_rdpe : 1;
		unsigned perror_v_nds : 1;
		unsigned perror_v_rto : 1;
		unsigned perror_v_uecc : 1;
		unsigned perror_v_cre : 1;                 
		unsigned perror_v_rsvd1 : 4;
		unsigned perror_v_addrl : 32;
		unsigned perror_v_addrh : 3;
		unsigned perror_v_rsvd2 : 1;
		unsigned perror_v_cmd : 4;
		unsigned perror_v_syn : 8;
	} perror_r_bits;
	int perror_q_whole [2];
};                       

/*
 * TSUNAMI Pchip Window Space Base Address register.
 */
#define wsba_m_ena 0x1                
#define wsba_m_sg 0x2
#define wsba_m_ptp 0x4
#define wsba_m_addr 0xFFF00000  
#define wmask_k_sz1gb 0x3FF00000                   
union TPchipWSBA {
	struct  {
		unsigned wsba_v_ena : 1;
		unsigned wsba_v_sg : 1;
		unsigned wsba_v_ptp : 1;
		unsigned wsba_v_rsvd1 : 17;
		unsigned wsba_v_addr : 12;
		unsigned wsba_v_rsvd2 : 32;
	} wsba_r_bits;
	int wsba_q_whole [2];
};

/*
 * TSUNAMI Pchip Control Register
 */
#define pctl_m_fdsc 0x1
#define pctl_m_fbtb 0x2
#define pctl_m_thdis 0x4
#define pctl_m_chaindis 0x8
#define pctl_m_tgtlat 0x10
#define pctl_m_hole 0x20
#define pctl_m_mwin 0x40
#define pctl_m_arbena 0x80
#define pctl_m_prigrp 0x7F00
#define pctl_m_ppri 0x8000
#define pctl_m_rsvd1 0x30000
#define pctl_m_eccen 0x40000
#define pctl_m_padm 0x80000
#define pctl_m_cdqmax 0xF00000
#define pctl_m_rev 0xFF000000
#define pctl_m_crqmax 0xF00000000UL
#define pctl_m_ptpmax 0xF000000000UL
#define pctl_m_pclkx 0x30000000000UL
#define pctl_m_fdsdis 0x40000000000UL
#define pctl_m_fdwdis 0x80000000000UL
#define pctl_m_ptevrfy 0x100000000000UL
#define pctl_m_rpp 0x200000000000UL
#define pctl_m_pid 0xC00000000000UL
#define pctl_m_rsvd2 0xFFFF000000000000UL

union TPchipPCTL {
	struct {
		unsigned pctl_v_fdsc : 1;
		unsigned pctl_v_fbtb : 1;
		unsigned pctl_v_thdis : 1;
		unsigned pctl_v_chaindis : 1;
		unsigned pctl_v_tgtlat : 1;
		unsigned pctl_v_hole : 1;
		unsigned pctl_v_mwin : 1;
		unsigned pctl_v_arbena : 1;
		unsigned pctl_v_prigrp : 7;
		unsigned pctl_v_ppri : 1;
		unsigned pctl_v_rsvd1 : 2;
		unsigned pctl_v_eccen : 1;
		unsigned pctl_v_padm : 1;
		unsigned pctl_v_cdqmax : 4;
		unsigned pctl_v_rev : 8;
		unsigned pctl_v_crqmax : 4;
		unsigned pctl_v_ptpmax : 4;
		unsigned pctl_v_pclkx : 2;
		unsigned pctl_v_fdsdis : 1;
		unsigned pctl_v_fdwdis : 1;
		unsigned pctl_v_ptevrfy : 1;
		unsigned pctl_v_rpp : 1;
		unsigned pctl_v_pid : 2;
		unsigned pctl_v_rsvd2 : 16;
	} pctl_r_bits;
	int pctl_q_whole [2];
};

/*
 * TSUNAMI Pchip Error Mask Register.
 */
#define perrmask_m_lost 0x1
#define perrmask_m_serr 0x2
#define perrmask_m_perr 0x4
#define perrmask_m_dcrto 0x8
#define perrmask_m_sge 0x10
#define perrmask_m_ape 0x20
#define perrmask_m_ta 0x40
#define perrmask_m_rdpe 0x80
#define perrmask_m_nds 0x100
#define perrmask_m_rto 0x200
#define perrmask_m_uecc 0x400
#define perrmask_m_cre 0x800
#define perrmask_m_rsvd 0xFFFFFFFFFFFFF000UL
union TPchipPERRMASK {   
	struct  {
		unsigned int perrmask_v_lost : 1;
		unsigned perrmask_v_serr : 1;
		unsigned perrmask_v_perr : 1;
		unsigned perrmask_v_dcrto : 1;
		unsigned perrmask_v_sge : 1;
		unsigned perrmask_v_ape : 1;
		unsigned perrmask_v_ta : 1;
		unsigned perrmask_v_rdpe : 1;
		unsigned perrmask_v_nds : 1;
		unsigned perrmask_v_rto : 1;
		unsigned perrmask_v_uecc : 1;
		unsigned perrmask_v_cre : 1;                 
		unsigned perrmask_v_rsvd1 : 20;
		unsigned perrmask_v_rsvd2 : 32;
	} perrmask_r_bits;
	int perrmask_q_whole [2];
};                       

/*
 * Memory spaces:
 */
#define TSUNAMI_HOSE(h)		(((unsigned long)(h)) << 33)
#define TSUNAMI_BASE		(IDENT_ADDR + TS_BIAS)

#define TSUNAMI_MEM(h)		(TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x000000000UL)
#define _TSUNAMI_IACK_SC(h)	(TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1F8000000UL)
#define TSUNAMI_IO(h)		(TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1FC000000UL)
#define TSUNAMI_CONF(h)		(TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1FE000000UL)

#define TSUNAMI_IACK_SC		_TSUNAMI_IACK_SC(0) /* hack! */


/* 
 * The canonical non-remaped I/O and MEM addresses have these values
 * subtracted out.  This is arranged so that folks manipulating ISA
 * devices can use their familiar numbers and have them map to bus 0.
 */

#define TSUNAMI_IO_BIAS          TSUNAMI_IO(0)
#define TSUNAMI_MEM_BIAS         TSUNAMI_MEM(0)

/* The IO address space is larger than 0xffff */
#define TSUNAMI_IO_SPACE	(TSUNAMI_CONF(0) - TSUNAMI_IO(0))

/* Offset between ram physical addresses and pci64 DAC bus addresses.  */
#define TSUNAMI_DAC_OFFSET	(1UL << 40)

/*
 * Data structure for handling TSUNAMI machine checks:
 */
struct el_TSUNAMI_sysdata_mcheck {
};


#ifdef __KERNEL__

#ifndef __EXTERN_INLINE
#define __EXTERN_INLINE extern inline
#define __IO_EXTERN_INLINE
#endif

/*
 * I/O functions:
 *
 * TSUNAMI, the 21??? PCI/memory support chipset for the EV6 (21264)
 * can only use linear accesses to get at PCI memory and I/O spaces.
 */

/*
 * Memory functions.  all accesses are done through linear space.
 */
extern void __iomem *tsunami_ioportmap(unsigned long addr);
extern void __iomem *tsunami_ioremap(unsigned long addr, unsigned long size);
__EXTERN_INLINE int tsunami_is_ioaddr(unsigned long addr)
{
	return addr >= TSUNAMI_BASE;
}

__EXTERN_INLINE int tsunami_is_mmio(const volatile void __iomem *xaddr)
{
	unsigned long addr = (unsigned long) xaddr;
	return (addr & 0x100000000UL) == 0;
}

#undef __IO_PREFIX
#define __IO_PREFIX		tsunami
#define tsunami_trivial_rw_bw	1
#define tsunami_trivial_rw_lq	1
#define tsunami_trivial_io_bw	1
#define tsunami_trivial_io_lq	1
#define tsunami_trivial_iounmap	1
#include <asm/io_trivial.h>

#ifdef __IO_EXTERN_INLINE
#undef __EXTERN_INLINE
#undef __IO_EXTERN_INLINE
#endif

#endif /* __KERNEL__ */

#endif /* __ALPHA_TSUNAMI__H__ */