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-rw-r--r--include/asm-alpha/core_tsunami.h335
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diff --git a/include/asm-alpha/core_tsunami.h b/include/asm-alpha/core_tsunami.h
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1#ifndef __ALPHA_TSUNAMI__H__
2#define __ALPHA_TSUNAMI__H__
3
4#include <linux/types.h>
5#include <linux/pci.h>
6#include <asm/compiler.h>
7
8/*
9 * TSUNAMI/TYPHOON are the internal names for the core logic chipset which
10 * provides memory controller and PCI access for the 21264 based systems.
11 *
12 * This file is based on:
13 *
14 * Tsunami System Programmers Manual
15 * Preliminary, Chapters 2-5
16 *
17 */
18
19/* XXX: Do we need to conditionalize on this? */
20#ifdef USE_48_BIT_KSEG
21#define TS_BIAS 0x80000000000UL
22#else
23#define TS_BIAS 0x10000000000UL
24#endif
25
26/*
27 * CChip, DChip, and PChip registers
28 */
29
30typedef struct {
31 volatile unsigned long csr __attribute__((aligned(64)));
32} tsunami_64;
33
34typedef struct {
35 tsunami_64 csc;
36 tsunami_64 mtr;
37 tsunami_64 misc;
38 tsunami_64 mpd;
39 tsunami_64 aar0;
40 tsunami_64 aar1;
41 tsunami_64 aar2;
42 tsunami_64 aar3;
43 tsunami_64 dim0;
44 tsunami_64 dim1;
45 tsunami_64 dir0;
46 tsunami_64 dir1;
47 tsunami_64 drir;
48 tsunami_64 prben;
49 tsunami_64 iic; /* a.k.a. iic0 */
50 tsunami_64 wdr; /* a.k.a. iic1 */
51 tsunami_64 mpr0;
52 tsunami_64 mpr1;
53 tsunami_64 mpr2;
54 tsunami_64 mpr3;
55 tsunami_64 mctl;
56 tsunami_64 __pad1;
57 tsunami_64 ttr;
58 tsunami_64 tdr;
59 tsunami_64 dim2;
60 tsunami_64 dim3;
61 tsunami_64 dir2;
62 tsunami_64 dir3;
63 tsunami_64 iic2;
64 tsunami_64 iic3;
65} tsunami_cchip;
66
67typedef struct {
68 tsunami_64 dsc;
69 tsunami_64 str;
70 tsunami_64 drev;
71} tsunami_dchip;
72
73typedef struct {
74 tsunami_64 wsba[4];
75 tsunami_64 wsm[4];
76 tsunami_64 tba[4];
77 tsunami_64 pctl;
78 tsunami_64 plat;
79 tsunami_64 reserved;
80 tsunami_64 perror;
81 tsunami_64 perrmask;
82 tsunami_64 perrset;
83 tsunami_64 tlbiv;
84 tsunami_64 tlbia;
85 tsunami_64 pmonctl;
86 tsunami_64 pmoncnt;
87} tsunami_pchip;
88
89#define TSUNAMI_cchip ((tsunami_cchip *)(IDENT_ADDR+TS_BIAS+0x1A0000000UL))
90#define TSUNAMI_dchip ((tsunami_dchip *)(IDENT_ADDR+TS_BIAS+0x1B0000800UL))
91#define TSUNAMI_pchip0 ((tsunami_pchip *)(IDENT_ADDR+TS_BIAS+0x180000000UL))
92#define TSUNAMI_pchip1 ((tsunami_pchip *)(IDENT_ADDR+TS_BIAS+0x380000000UL))
93extern int TSUNAMI_bootcpu;
94
95/*
96 * TSUNAMI Pchip Error register.
97 */
98
99#define perror_m_lost 0x1
100#define perror_m_serr 0x2
101#define perror_m_perr 0x4
102#define perror_m_dcrto 0x8
103#define perror_m_sge 0x10
104#define perror_m_ape 0x20
105#define perror_m_ta 0x40
106#define perror_m_rdpe 0x80
107#define perror_m_nds 0x100
108#define perror_m_rto 0x200
109#define perror_m_uecc 0x400
110#define perror_m_cre 0x800
111#define perror_m_addrl 0xFFFFFFFF0000UL
112#define perror_m_addrh 0x7000000000000UL
113#define perror_m_cmd 0xF0000000000000UL
114#define perror_m_syn 0xFF00000000000000UL
115union TPchipPERROR {
116 struct {
117 unsigned int perror_v_lost : 1;
118 unsigned perror_v_serr : 1;
119 unsigned perror_v_perr : 1;
120 unsigned perror_v_dcrto : 1;
121 unsigned perror_v_sge : 1;
122 unsigned perror_v_ape : 1;
123 unsigned perror_v_ta : 1;
124 unsigned perror_v_rdpe : 1;
125 unsigned perror_v_nds : 1;
126 unsigned perror_v_rto : 1;
127 unsigned perror_v_uecc : 1;
128 unsigned perror_v_cre : 1;
129 unsigned perror_v_rsvd1 : 4;
130 unsigned perror_v_addrl : 32;
131 unsigned perror_v_addrh : 3;
132 unsigned perror_v_rsvd2 : 1;
133 unsigned perror_v_cmd : 4;
134 unsigned perror_v_syn : 8;
135 } perror_r_bits;
136 int perror_q_whole [2];
137};
138
139/*
140 * TSUNAMI Pchip Window Space Base Address register.
141 */
142#define wsba_m_ena 0x1
143#define wsba_m_sg 0x2
144#define wsba_m_ptp 0x4
145#define wsba_m_addr 0xFFF00000
146#define wmask_k_sz1gb 0x3FF00000
147union TPchipWSBA {
148 struct {
149 unsigned wsba_v_ena : 1;
150 unsigned wsba_v_sg : 1;
151 unsigned wsba_v_ptp : 1;
152 unsigned wsba_v_rsvd1 : 17;
153 unsigned wsba_v_addr : 12;
154 unsigned wsba_v_rsvd2 : 32;
155 } wsba_r_bits;
156 int wsba_q_whole [2];
157};
158
159/*
160 * TSUNAMI Pchip Control Register
161 */
162#define pctl_m_fdsc 0x1
163#define pctl_m_fbtb 0x2
164#define pctl_m_thdis 0x4
165#define pctl_m_chaindis 0x8
166#define pctl_m_tgtlat 0x10
167#define pctl_m_hole 0x20
168#define pctl_m_mwin 0x40
169#define pctl_m_arbena 0x80
170#define pctl_m_prigrp 0x7F00
171#define pctl_m_ppri 0x8000
172#define pctl_m_rsvd1 0x30000
173#define pctl_m_eccen 0x40000
174#define pctl_m_padm 0x80000
175#define pctl_m_cdqmax 0xF00000
176#define pctl_m_rev 0xFF000000
177#define pctl_m_crqmax 0xF00000000UL
178#define pctl_m_ptpmax 0xF000000000UL
179#define pctl_m_pclkx 0x30000000000UL
180#define pctl_m_fdsdis 0x40000000000UL
181#define pctl_m_fdwdis 0x80000000000UL
182#define pctl_m_ptevrfy 0x100000000000UL
183#define pctl_m_rpp 0x200000000000UL
184#define pctl_m_pid 0xC00000000000UL
185#define pctl_m_rsvd2 0xFFFF000000000000UL
186
187union TPchipPCTL {
188 struct {
189 unsigned pctl_v_fdsc : 1;
190 unsigned pctl_v_fbtb : 1;
191 unsigned pctl_v_thdis : 1;
192 unsigned pctl_v_chaindis : 1;
193 unsigned pctl_v_tgtlat : 1;
194 unsigned pctl_v_hole : 1;
195 unsigned pctl_v_mwin : 1;
196 unsigned pctl_v_arbena : 1;
197 unsigned pctl_v_prigrp : 7;
198 unsigned pctl_v_ppri : 1;
199 unsigned pctl_v_rsvd1 : 2;
200 unsigned pctl_v_eccen : 1;
201 unsigned pctl_v_padm : 1;
202 unsigned pctl_v_cdqmax : 4;
203 unsigned pctl_v_rev : 8;
204 unsigned pctl_v_crqmax : 4;
205 unsigned pctl_v_ptpmax : 4;
206 unsigned pctl_v_pclkx : 2;
207 unsigned pctl_v_fdsdis : 1;
208 unsigned pctl_v_fdwdis : 1;
209 unsigned pctl_v_ptevrfy : 1;
210 unsigned pctl_v_rpp : 1;
211 unsigned pctl_v_pid : 2;
212 unsigned pctl_v_rsvd2 : 16;
213 } pctl_r_bits;
214 int pctl_q_whole [2];
215};
216
217/*
218 * TSUNAMI Pchip Error Mask Register.
219 */
220#define perrmask_m_lost 0x1
221#define perrmask_m_serr 0x2
222#define perrmask_m_perr 0x4
223#define perrmask_m_dcrto 0x8
224#define perrmask_m_sge 0x10
225#define perrmask_m_ape 0x20
226#define perrmask_m_ta 0x40
227#define perrmask_m_rdpe 0x80
228#define perrmask_m_nds 0x100
229#define perrmask_m_rto 0x200
230#define perrmask_m_uecc 0x400
231#define perrmask_m_cre 0x800
232#define perrmask_m_rsvd 0xFFFFFFFFFFFFF000UL
233union TPchipPERRMASK {
234 struct {
235 unsigned int perrmask_v_lost : 1;
236 unsigned perrmask_v_serr : 1;
237 unsigned perrmask_v_perr : 1;
238 unsigned perrmask_v_dcrto : 1;
239 unsigned perrmask_v_sge : 1;
240 unsigned perrmask_v_ape : 1;
241 unsigned perrmask_v_ta : 1;
242 unsigned perrmask_v_rdpe : 1;
243 unsigned perrmask_v_nds : 1;
244 unsigned perrmask_v_rto : 1;
245 unsigned perrmask_v_uecc : 1;
246 unsigned perrmask_v_cre : 1;
247 unsigned perrmask_v_rsvd1 : 20;
248 unsigned perrmask_v_rsvd2 : 32;
249 } perrmask_r_bits;
250 int perrmask_q_whole [2];
251};
252
253/*
254 * Memory spaces:
255 */
256#define TSUNAMI_HOSE(h) (((unsigned long)(h)) << 33)
257#define TSUNAMI_BASE (IDENT_ADDR + TS_BIAS)
258
259#define TSUNAMI_MEM(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x000000000UL)
260#define _TSUNAMI_IACK_SC(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1F8000000UL)
261#define TSUNAMI_IO(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1FC000000UL)
262#define TSUNAMI_CONF(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1FE000000UL)
263
264#define TSUNAMI_IACK_SC _TSUNAMI_IACK_SC(0) /* hack! */
265
266
267/*
268 * The canonical non-remaped I/O and MEM addresses have these values
269 * subtracted out. This is arranged so that folks manipulating ISA
270 * devices can use their familiar numbers and have them map to bus 0.
271 */
272
273#define TSUNAMI_IO_BIAS TSUNAMI_IO(0)
274#define TSUNAMI_MEM_BIAS TSUNAMI_MEM(0)
275
276/* The IO address space is larger than 0xffff */
277#define TSUNAMI_IO_SPACE (TSUNAMI_CONF(0) - TSUNAMI_IO(0))
278
279/* Offset between ram physical addresses and pci64 DAC bus addresses. */
280#define TSUNAMI_DAC_OFFSET (1UL << 40)
281
282/*
283 * Data structure for handling TSUNAMI machine checks:
284 */
285struct el_TSUNAMI_sysdata_mcheck {
286};
287
288
289#ifdef __KERNEL__
290
291#ifndef __EXTERN_INLINE
292#define __EXTERN_INLINE extern inline
293#define __IO_EXTERN_INLINE
294#endif
295
296/*
297 * I/O functions:
298 *
299 * TSUNAMI, the 21??? PCI/memory support chipset for the EV6 (21264)
300 * can only use linear accesses to get at PCI memory and I/O spaces.
301 */
302
303/*
304 * Memory functions. all accesses are done through linear space.
305 */
306extern void __iomem *tsunami_ioportmap(unsigned long addr);
307extern void __iomem *tsunami_ioremap(unsigned long addr, unsigned long size);
308__EXTERN_INLINE int tsunami_is_ioaddr(unsigned long addr)
309{
310 return addr >= TSUNAMI_BASE;
311}
312
313__EXTERN_INLINE int tsunami_is_mmio(const volatile void __iomem *xaddr)
314{
315 unsigned long addr = (unsigned long) xaddr;
316 return (addr & 0x100000000UL) == 0;
317}
318
319#undef __IO_PREFIX
320#define __IO_PREFIX tsunami
321#define tsunami_trivial_rw_bw 1
322#define tsunami_trivial_rw_lq 1
323#define tsunami_trivial_io_bw 1
324#define tsunami_trivial_io_lq 1
325#define tsunami_trivial_iounmap 1
326#include <asm/io_trivial.h>
327
328#ifdef __IO_EXTERN_INLINE
329#undef __EXTERN_INLINE
330#undef __IO_EXTERN_INLINE
331#endif
332
333#endif /* __KERNEL__ */
334
335#endif /* __ALPHA_TSUNAMI__H__ */
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-07 17:07:32 -0500