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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 * xwidget.h - generic crosstalk widget header file, derived from IRIX
7 * <sys/xtalk/xtalkwidget.h>, revision 1.32.
8 *
9 * Copyright (C) 1996, 1999 Silcon Graphics, Inc.
10 * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
11 */
12#ifndef _ASM_XTALK_XWIDGET_H
13#define _ASM_XTALK_XWIDGET_H
14
15#include <linux/types.h>
16#include <asm/xtalk/xtalk.h>
17
18#define WIDGET_ID 0x04
19#define WIDGET_STATUS 0x0c
20#define WIDGET_ERR_UPPER_ADDR 0x14
21#define WIDGET_ERR_LOWER_ADDR 0x1c
22#define WIDGET_CONTROL 0x24
23#define WIDGET_REQ_TIMEOUT 0x2c
24#define WIDGET_INTDEST_UPPER_ADDR 0x34
25#define WIDGET_INTDEST_LOWER_ADDR 0x3c
26#define WIDGET_ERR_CMD_WORD 0x44
27#define WIDGET_LLP_CFG 0x4c
28#define WIDGET_TFLUSH 0x54
29
30/* WIDGET_ID */
31#define WIDGET_REV_NUM 0xf0000000
32#define WIDGET_PART_NUM 0x0ffff000
33#define WIDGET_MFG_NUM 0x00000ffe
34#define WIDGET_REV_NUM_SHFT 28
35#define WIDGET_PART_NUM_SHFT 12
36#define WIDGET_MFG_NUM_SHFT 1
37
38#define XWIDGET_PART_NUM(widgetid) (((widgetid) & WIDGET_PART_NUM) >> WIDGET_PART_NUM_SHFT)
39#define XWIDGET_REV_NUM(widgetid) (((widgetid) & WIDGET_REV_NUM) >> WIDGET_REV_NUM_SHFT)
40#define XWIDGET_MFG_NUM(widgetid) (((widgetid) & WIDGET_MFG_NUM) >> WIDGET_MFG_NUM_SHFT)
41
42/* WIDGET_STATUS */
43#define WIDGET_LLP_REC_CNT 0xff000000
44#define WIDGET_LLP_TX_CNT 0x00ff0000
45#define WIDGET_PENDING 0x0000001f
46
47/* WIDGET_ERR_UPPER_ADDR */
48#define WIDGET_ERR_UPPER_ADDR_ONLY 0x0000ffff
49
50/* WIDGET_CONTROL */
51#define WIDGET_F_BAD_PKT 0x00010000
52#define WIDGET_LLP_XBAR_CRD 0x0000f000
53#define WIDGET_LLP_XBAR_CRD_SHFT 12
54#define WIDGET_CLR_RLLP_CNT 0x00000800
55#define WIDGET_CLR_TLLP_CNT 0x00000400
56#define WIDGET_SYS_END 0x00000200
57#define WIDGET_MAX_TRANS 0x000001f0
58#define WIDGET_WIDGET_ID 0x0000000f
59
60/* WIDGET_INTDEST_UPPER_ADDR */
61#define WIDGET_INT_VECTOR 0xff000000
62#define WIDGET_INT_VECTOR_SHFT 24
63#define WIDGET_TARGET_ID 0x000f0000
64#define WIDGET_TARGET_ID_SHFT 16
65#define WIDGET_UPP_ADDR 0x0000ffff
66
67/* WIDGET_ERR_CMD_WORD */
68#define WIDGET_DIDN 0xf0000000
69#define WIDGET_SIDN 0x0f000000
70#define WIDGET_PACTYP 0x00f00000
71#define WIDGET_TNUM 0x000f8000
72#define WIDGET_COHERENT 0x00004000
73#define WIDGET_DS 0x00003000
74#define WIDGET_GBR 0x00000800
75#define WIDGET_VBPM 0x00000400
76#define WIDGET_ERROR 0x00000200
77#define WIDGET_BARRIER 0x00000100
78
79/* WIDGET_LLP_CFG */
80#define WIDGET_LLP_MAXRETRY 0x03ff0000
81#define WIDGET_LLP_MAXRETRY_SHFT 16
82#define WIDGET_LLP_NULLTIMEOUT 0x0000fc00
83#define WIDGET_LLP_NULLTIMEOUT_SHFT 10
84#define WIDGET_LLP_MAXBURST 0x000003ff
85#define WIDGET_LLP_MAXBURST_SHFT 0
86
87/*
88 * according to the crosstalk spec, only 32-bits access to the widget
89 * configuration registers is allowed. some widgets may allow 64-bits
90 * access but software should not depend on it. registers beyond the
91 * widget target flush register are widget dependent thus will not be
92 * defined here
93 */
94#ifndef __ASSEMBLY__
95typedef u32 widgetreg_t;
96
97/* widget configuration registers */
98typedef volatile struct widget_cfg {
99 widgetreg_t w_pad_0; /* 0x00 */
100 widgetreg_t w_id; /* 0x04 */
101 widgetreg_t w_pad_1; /* 0x08 */
102 widgetreg_t w_status; /* 0x0c */
103 widgetreg_t w_pad_2; /* 0x10 */
104 widgetreg_t w_err_upper_addr; /* 0x14 */
105 widgetreg_t w_pad_3; /* 0x18 */
106 widgetreg_t w_err_lower_addr; /* 0x1c */
107 widgetreg_t w_pad_4; /* 0x20 */
108 widgetreg_t w_control; /* 0x24 */
109 widgetreg_t w_pad_5; /* 0x28 */
110 widgetreg_t w_req_timeout; /* 0x2c */
111 widgetreg_t w_pad_6; /* 0x30 */
112 widgetreg_t w_intdest_upper_addr; /* 0x34 */
113 widgetreg_t w_pad_7; /* 0x38 */
114 widgetreg_t w_intdest_lower_addr; /* 0x3c */
115 widgetreg_t w_pad_8; /* 0x40 */
116 widgetreg_t w_err_cmd_word; /* 0x44 */
117 widgetreg_t w_pad_9; /* 0x48 */
118 widgetreg_t w_llp_cfg; /* 0x4c */
119 widgetreg_t w_pad_10; /* 0x50 */
120 widgetreg_t w_tflush; /* 0x54 */
121} widget_cfg_t;
122
123typedef struct {
124 unsigned didn:4;
125 unsigned sidn:4;
126 unsigned pactyp:4;
127 unsigned tnum:5;
128 unsigned ct:1;
129 unsigned ds:2;
130 unsigned gbr:1;
131 unsigned vbpm:1;
132 unsigned error:1;
133 unsigned bo:1;
134 unsigned other:8;
135} w_err_cmd_word_f;
136
137typedef union {
138 widgetreg_t r;
139 w_err_cmd_word_f f;
140} w_err_cmd_word_u;
141
142typedef struct xwidget_info_s *xwidget_info_t;
143
144/*
145 * Crosstalk Widget Hardware Identification, as defined in the Crosstalk spec.
146 */
147typedef struct xwidget_hwid_s {
148 xwidget_part_num_t part_num;
149 xwidget_rev_num_t rev_num;
150 xwidget_mfg_num_t mfg_num;
151} *xwidget_hwid_t;
152
153
154/*
155 * Returns 1 if a driver that handles devices described by hwid1 is able
156 * to manage a device with hardwareid hwid2. NOTE: We don't check rev
157 * numbers at all.
158 */
159#define XWIDGET_HARDWARE_ID_MATCH(hwid1, hwid2) \
160 (((hwid1)->part_num == (hwid2)->part_num) && \
161 (((hwid1)->mfg_num == XWIDGET_MFG_NUM_NONE) || \
162 ((hwid2)->mfg_num == XWIDGET_MFG_NUM_NONE) || \
163 ((hwid1)->mfg_num == (hwid2)->mfg_num)))
164
165#endif /* !__ASSEMBLY__ */
166
167#endif /* _ASM_XTALK_XWIDGET_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 * xwidget.h - generic crosstalk widget header file, derived from IRIX
7 * <sys/xtalk/xtalkwidget.h>, revision 1.32.
8 *
9 * Copyright (C) 1996, 1999 Silcon Graphics, Inc.
10 * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
11 */
12#ifndef _ASM_XTALK_XWIDGET_H
13#define _ASM_XTALK_XWIDGET_H
14
15#include <linux/types.h>
16#include <asm/xtalk/xtalk.h>
17
18#define WIDGET_ID 0x04
19#define WIDGET_STATUS 0x0c
20#define WIDGET_ERR_UPPER_ADDR 0x14
21#define WIDGET_ERR_LOWER_ADDR 0x1c
22#define WIDGET_CONTROL 0x24
23#define WIDGET_REQ_TIMEOUT 0x2c
24#define WIDGET_INTDEST_UPPER_ADDR 0x34
25#define WIDGET_INTDEST_LOWER_ADDR 0x3c
26#define WIDGET_ERR_CMD_WORD 0x44
27#define WIDGET_LLP_CFG 0x4c
28#define WIDGET_TFLUSH 0x54
29
30/* WIDGET_ID */
31#define WIDGET_REV_NUM 0xf0000000
32#define WIDGET_PART_NUM 0x0ffff000
33#define WIDGET_MFG_NUM 0x00000ffe
34#define WIDGET_REV_NUM_SHFT 28
35#define WIDGET_PART_NUM_SHFT 12
36#define WIDGET_MFG_NUM_SHFT 1
37
38#define XWIDGET_PART_NUM(widgetid) (((widgetid) & WIDGET_PART_NUM) >> WIDGET_PART_NUM_SHFT)
39#define XWIDGET_REV_NUM(widgetid) (((widgetid) & WIDGET_REV_NUM) >> WIDGET_REV_NUM_SHFT)
40#define XWIDGET_MFG_NUM(widgetid) (((widgetid) & WIDGET_MFG_NUM) >> WIDGET_MFG_NUM_SHFT)
41
42/* WIDGET_STATUS */
43#define WIDGET_LLP_REC_CNT 0xff000000
44#define WIDGET_LLP_TX_CNT 0x00ff0000
45#define WIDGET_PENDING 0x0000001f
46
47/* WIDGET_ERR_UPPER_ADDR */
48#define WIDGET_ERR_UPPER_ADDR_ONLY 0x0000ffff
49
50/* WIDGET_CONTROL */
51#define WIDGET_F_BAD_PKT 0x00010000
52#define WIDGET_LLP_XBAR_CRD 0x0000f000
53#define WIDGET_LLP_XBAR_CRD_SHFT 12
54#define WIDGET_CLR_RLLP_CNT 0x00000800
55#define WIDGET_CLR_TLLP_CNT 0x00000400
56#define WIDGET_SYS_END 0x00000200
57#define WIDGET_MAX_TRANS 0x000001f0
58#define WIDGET_WIDGET_ID 0x0000000f
59
60/* WIDGET_INTDEST_UPPER_ADDR */
61#define WIDGET_INT_VECTOR 0xff000000
62#define WIDGET_INT_VECTOR_SHFT 24
63#define WIDGET_TARGET_ID 0x000f0000
64#define WIDGET_TARGET_ID_SHFT 16
65#define WIDGET_UPP_ADDR 0x0000ffff
66
67/* WIDGET_ERR_CMD_WORD */
68#define WIDGET_DIDN 0xf0000000
69#define WIDGET_SIDN 0x0f000000
70#define WIDGET_PACTYP 0x00f00000
71#define WIDGET_TNUM 0x000f8000
72#define WIDGET_COHERENT 0x00004000
73#define WIDGET_DS 0x00003000
74#define WIDGET_GBR 0x00000800
75#define WIDGET_VBPM 0x00000400
76#define WIDGET_ERROR 0x00000200
77#define WIDGET_BARRIER 0x00000100
78
79/* WIDGET_LLP_CFG */
80#define WIDGET_LLP_MAXRETRY 0x03ff0000
81#define WIDGET_LLP_MAXRETRY_SHFT 16
82#define WIDGET_LLP_NULLTIMEOUT 0x0000fc00
83#define WIDGET_LLP_NULLTIMEOUT_SHFT 10
84#define WIDGET_LLP_MAXBURST 0x000003ff
85#define WIDGET_LLP_MAXBURST_SHFT 0
86
87/* Xtalk Widget Device Mfgr Nums */
88#define WIDGET_XBOW_MFGR_NUM 0x0 /* IP30 XBow Chip */
89#define WIDGET_XXBOW_MFGR_NUM 0x0 /* IP35 Xbow + XBridge Chip */
90#define WIDGET_ODYS_MFGR_NUM 0x023 /* Odyssey / VPro GFX */
91#define WIDGET_TPU_MFGR_NUM 0x024 /* Tensor Processor Unit */
92#define WIDGET_XBRDG_MFGR_NUM 0x024 /* IP35 XBridge Chip */
93#define WIDGET_HEART_MFGR_NUM 0x036 /* IP30 HEART Chip */
94#define WIDGET_BRIDG_MFGR_NUM 0x036 /* PCI Bridge */
95#define WIDGET_HUB_MFGR_NUM 0x036 /* IP27 Hub Chip */
96#define WIDGET_BDRCK_MFGR_NUM 0x036 /* IP35 Bedrock Chip */
97#define WIDGET_IMPCT_MFGR_NUM 0x2aa /* HQ4 / Impact GFX */
98#define WIDGET_KONA_MFGR_NUM 0x2aa /* InfiniteReality3 / Kona GFX */
99#define WIDGET_NULL_MFGR_NUM -1 /* NULL */
100
101/* Xtalk Widget Device Part Nums */
102#define WIDGET_XBOW_PART_NUM 0x0000
103#define WIDGET_HEART_PART_NUM 0xc001
104#define WIDGET_BRIDG_PART_NUM 0xc002
105#define WIDGET_IMPCT_PART_NUM 0xc003
106#define WIDGET_ODYS_PART_NUM 0xc013
107#define WIDGET_HUB_PART_NUM 0xc101
108#define WIDGET_KONA_PART_NUM 0xc102
109#define WIDGET_BDRCK_PART_NUM 0xc110
110#define WIDGET_TPU_PART_NUM 0xc202
111#define WIDGET_XXBOW_PART_NUM 0xd000
112#define WIDGET_XBRDG_PART_NUM 0xd002
113#define WIDGET_NULL_PART_NUM -1
114
115/* For Xtalk Widget identification */
116struct widget_ident {
117 u32 mfgr;
118 u32 part;
119 char *name;
120 char *revs[16];
121};
122
123/* Known Xtalk Widgets */
124static const struct widget_ident __initconst widget_idents[] = {
125 {
126 WIDGET_XBOW_MFGR_NUM,
127 WIDGET_XBOW_PART_NUM,
128 "xbow",
129 {NULL, "1.0", "1.1", "1.2", "1.3", "2.0", NULL},
130 },
131 {
132 WIDGET_HEART_MFGR_NUM,
133 WIDGET_HEART_PART_NUM,
134 "heart",
135 {NULL, "A", "B", "C", "D", "E", "F", NULL},
136 },
137 {
138 WIDGET_BRIDG_MFGR_NUM,
139 WIDGET_BRIDG_PART_NUM,
140 "bridge",
141 {NULL, "A", "B", "C", "D", NULL},
142 },
143 {
144 WIDGET_IMPCT_MFGR_NUM,
145 WIDGET_IMPCT_PART_NUM,
146 "impact",
147 {NULL, "A", "B", NULL},
148 },
149 {
150 WIDGET_ODYS_MFGR_NUM,
151 WIDGET_ODYS_PART_NUM,
152 "odyssey",
153 {NULL, "A", "B", NULL},
154 },
155 {
156 WIDGET_HUB_MFGR_NUM,
157 WIDGET_HUB_PART_NUM,
158 "hub",
159 {NULL, "1.0", "2.0", "2.1", "2.2", "2.3", "2.4", NULL},
160 },
161 {
162 WIDGET_KONA_MFGR_NUM,
163 WIDGET_KONA_PART_NUM,
164 "kona",
165 {NULL},
166 },
167 {
168 WIDGET_BDRCK_MFGR_NUM,
169 WIDGET_BDRCK_PART_NUM,
170 "bedrock",
171 {NULL, "1.0", "1.1", NULL},
172 },
173 {
174 WIDGET_TPU_MFGR_NUM,
175 WIDGET_TPU_PART_NUM,
176 "tpu",
177 {"0", NULL},
178 },
179 {
180 WIDGET_XXBOW_MFGR_NUM,
181 WIDGET_XXBOW_PART_NUM,
182 "xxbow",
183 {NULL, "1.0", "2.0", NULL},
184 },
185 {
186 WIDGET_XBRDG_MFGR_NUM,
187 WIDGET_XBRDG_PART_NUM,
188 "xbridge",
189 {NULL, "A", "B", NULL},
190 },
191 {
192 WIDGET_NULL_MFGR_NUM,
193 WIDGET_NULL_PART_NUM,
194 NULL,
195 {NULL},
196 }
197};
198
199/*
200 * according to the crosstalk spec, only 32-bits access to the widget
201 * configuration registers is allowed. some widgets may allow 64-bits
202 * access but software should not depend on it. registers beyond the
203 * widget target flush register are widget dependent thus will not be
204 * defined here
205 */
206#ifndef __ASSEMBLY__
207typedef u32 widgetreg_t;
208
209/* widget configuration registers */
210typedef volatile struct widget_cfg {
211 widgetreg_t w_pad_0; /* 0x00 */
212 widgetreg_t w_id; /* 0x04 */
213 widgetreg_t w_pad_1; /* 0x08 */
214 widgetreg_t w_status; /* 0x0c */
215 widgetreg_t w_pad_2; /* 0x10 */
216 widgetreg_t w_err_upper_addr; /* 0x14 */
217 widgetreg_t w_pad_3; /* 0x18 */
218 widgetreg_t w_err_lower_addr; /* 0x1c */
219 widgetreg_t w_pad_4; /* 0x20 */
220 widgetreg_t w_control; /* 0x24 */
221 widgetreg_t w_pad_5; /* 0x28 */
222 widgetreg_t w_req_timeout; /* 0x2c */
223 widgetreg_t w_pad_6; /* 0x30 */
224 widgetreg_t w_intdest_upper_addr; /* 0x34 */
225 widgetreg_t w_pad_7; /* 0x38 */
226 widgetreg_t w_intdest_lower_addr; /* 0x3c */
227 widgetreg_t w_pad_8; /* 0x40 */
228 widgetreg_t w_err_cmd_word; /* 0x44 */
229 widgetreg_t w_pad_9; /* 0x48 */
230 widgetreg_t w_llp_cfg; /* 0x4c */
231 widgetreg_t w_pad_10; /* 0x50 */
232 widgetreg_t w_tflush; /* 0x54 */
233} widget_cfg_t;
234
235typedef struct {
236 unsigned didn:4;
237 unsigned sidn:4;
238 unsigned pactyp:4;
239 unsigned tnum:5;
240 unsigned ct:1;
241 unsigned ds:2;
242 unsigned gbr:1;
243 unsigned vbpm:1;
244 unsigned error:1;
245 unsigned bo:1;
246 unsigned other:8;
247} w_err_cmd_word_f;
248
249typedef union {
250 widgetreg_t r;
251 w_err_cmd_word_f f;
252} w_err_cmd_word_u;
253
254typedef struct xwidget_info_s *xwidget_info_t;
255
256/*
257 * Crosstalk Widget Hardware Identification, as defined in the Crosstalk spec.
258 */
259typedef struct xwidget_hwid_s {
260 xwidget_part_num_t part_num;
261 xwidget_rev_num_t rev_num;
262 xwidget_mfg_num_t mfg_num;
263} *xwidget_hwid_t;
264
265
266/*
267 * Returns 1 if a driver that handles devices described by hwid1 is able
268 * to manage a device with hardwareid hwid2. NOTE: We don't check rev
269 * numbers at all.
270 */
271#define XWIDGET_HARDWARE_ID_MATCH(hwid1, hwid2) \
272 (((hwid1)->part_num == (hwid2)->part_num) && \
273 (((hwid1)->mfg_num == XWIDGET_MFG_NUM_NONE) || \
274 ((hwid2)->mfg_num == XWIDGET_MFG_NUM_NONE) || \
275 ((hwid1)->mfg_num == (hwid2)->mfg_num)))
276
277#endif /* !__ASSEMBLY__ */
278
279#endif /* _ASM_XTALK_XWIDGET_H */