summaryrefslogtreecommitdiff
path: root/src/mainboard/iei/pcisa-lx-800-r10/irq_tables.c
blob: e58923f9206effb57456c5db352997898ff9ce65 (plain)
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
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2007 Nikolay Petukhov <nikolay.petukhov@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include <arch/pirq_routing.h>
// #include <console/console.h>
#include <arch/io.h>

/* Platform IRQs */
#define PIRQA 11
#define PIRQB 10
#define PIRQC 11
#define PIRQD 5

/* Link */
#define LINK_PIRQA 1
#define LINK_PIRQB 2
#define LINK_PIRQC 3
#define LINK_PIRQD 4
#define LINK_NONE 0

/* Map */
#define IRQ_BITMAP_LINKA (1 << PIRQA)
#define IRQ_BITMAP_LINKB (1 << PIRQB)
#define IRQ_BITMAP_LINKC (1 << PIRQC)
#define IRQ_BITMAP_LINKD (1 << PIRQD)
#define IRQ_BITMAP_NOLINK 0x0

#define EXCLUSIVE_PCI_IRQS (IRQ_BITMAP_LINKA | IRQ_BITMAP_LINKB | IRQ_BITMAP_LINKC | IRQ_BITMAP_LINKD)

static const struct irq_routing_table intel_irq_routing_table = {
	PIRQ_SIGNATURE,		/* u32 signature */
	PIRQ_VERSION,		/* u16 version   */
	32 + 16 * CONFIG_IRQ_SLOT_COUNT,/* there can be total CONFIG_IRQ_SLOT_COUNT devices on the bus */
	0x00,			/* Where the interrupt router lies (bus) */
	(0x0F << 3) | 0x0,	/* Where the interrupt router lies (dev) */
	EXCLUSIVE_PCI_IRQS,	/* IRQs devoted exclusively to PCI usage */
	0x1078,			/* Vendor */
	0x0002,			/* Device */
	0,			/* Miniport data */
	{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},	/* u8 rfu[11] */
	0x62,			/* u8 checksum , this has to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */

	.slots = {
		[0] = {
			.slot = 0x0,	/* means also "on board" */
			.bus = 0x00,
			.devfn = (0x01<<3)|0x0,	/* 0x01 is CS5536 */
			.irq = {
				[0] = {	/* <-- 0 means this is INTA# output from the device or slot */
					.link = LINK_PIRQA,
					.bitmap = IRQ_BITMAP_LINKA
				},
				[1] = {	/* <-- 1 means this is INTB# output from the device or slot */
					.link = LINK_NONE,
					.bitmap = IRQ_BITMAP_NOLINK
				},
				[2] = {	/* <-- 2 means this is INTC# output from the device or slot */
					.link = LINK_NONE,
					.bitmap = IRQ_BITMAP_NOLINK
				},
				[3] = {	/* <-- 3 means this is INTD# output from the device or slot */
					.link = LINK_NONE,
					.bitmap = IRQ_BITMAP_NOLINK
				}
			}
		},

		[1] = {
			.slot = 0x0,	/* means also "on board" */
			.bus = 0x00,
			.devfn = (0x0f<<3)|0x0,	/* 0x0f is CS5536 (USB, AUDIO) */
			.irq = {
				[0] = {	/* <-- 0 means this is INTA# output from the device or slot */
					.link = LINK_NONE,
					.bitmap = IRQ_BITMAP_NOLINK
				},
				[1] = {	/* <-- 1 means this is INTB# output from the device or slot */
					.link = LINK_PIRQB, /* Audio */
					.bitmap = IRQ_BITMAP_LINKB
				},
				[2] = {	/* <-- 2 means this is INTC# output from the device or slot */
					.link = LINK_NONE,
					.bitmap = IRQ_BITMAP_NOLINK
				},
				[3] = {	/* <-- 3 means this is INTD# output from the device or slot */
					.link = LINK_PIRQD, /* USB */
					.bitmap = IRQ_BITMAP_LINKD
				}
			}
		},

		[2] = {
			.slot = 0x0,	/* means also "on board" */
			.bus = 0x00,
			.devfn = (0x0e<<3)|0x0,	/* 0x0e is eth0 */
			.irq = {
				[0] = {	/* <-- 0 means this is INTA# output from the device or slot */
					.link = LINK_PIRQD,
					.bitmap = IRQ_BITMAP_LINKD
				},
				[1] = {	/* <-- 1 means this is INTB# output from the device or slot */
					.link = LINK_NONE,
					.bitmap = IRQ_BITMAP_NOLINK
				},
				[2] = {	/* <-- 2 means this is INTC# output from the device or slot */
					.link = LINK_NONE,
					.bitmap = IRQ_BITMAP_NOLINK
				},
				[3] = {	/* <-- 3 means this is INTD# output from the device or slot */
					.link = LINK_NONE,
					.bitmap = IRQ_BITMAP_NOLINK
				}
			}
		},

		[3] = {
			.slot = 0x0,	/* means also "on board" */
			.bus = 0x00,
			.devfn = (0x10<<3)|0x0,	/* 0x10 is eth1 */
			.irq = {
				[0] = {	/* <-- 0 means this is INTA# output from the device or slot */
					.link = LINK_PIRQB,
					.bitmap = IRQ_BITMAP_LINKB
				},
				[1] = {	/* <-- 1 means this is INTB# output from the device or slot */
					.link = LINK_NONE,
					.bitmap = IRQ_BITMAP_NOLINK
				},
				[2] = {	/* <-- 2 means this is INTC# output from the device or slot */
					.link = LINK_NONE,
					.bitmap = IRQ_BITMAP_NOLINK
				},
				[3] = {	/* <-- 3 means this is INTD# output from the device or slot */
					.link = LINK_NONE,
					.bitmap = IRQ_BITMAP_NOLINK
				}
			}
		},

		[4] = {
			.slot = 0x0,	/* means also "on board" */
			.bus = 0x00,
			.devfn = (0x11<<3)|0x0,	/* 0x11 is SATA */
			.irq = {
				[0] = {	/* <-- 0 means this is INTA# output from the device or slot */
					.link = LINK_PIRQA,
					.bitmap = IRQ_BITMAP_LINKA
				},
				[1] = {	/* <-- 1 means this is INTB# output from the device or slot */
					.link = LINK_NONE,
					.bitmap = IRQ_BITMAP_NOLINK
				},
				[2] = {	/* <-- 2 means this is INTC# output from the device or slot */
					.link = LINK_NONE,
					.bitmap = IRQ_BITMAP_NOLINK
				},
				[3] = {	/* <-- 3 means this is INTD# output from the device or slot */
					.link = LINK_NONE,
					.bitmap = IRQ_BITMAP_NOLINK
				}
			}
		},

/*
 * ################### backplane ###################
 */

/*
 * PCI1
 */
		[5] = {
			.slot = 0x1,	/* This is real PCI slot. */
			.bus = 0x00,
			.devfn = (0x09<<3)|0x0,	/* 0x09 is PCI1 */
			.irq = {
				[0] = {	/* <-- 0 means this is INTA# output from the device or slot */
					.link = LINK_PIRQA,
					.bitmap = IRQ_BITMAP_LINKA
				},
				[1] = {	/* <-- 1 means this is INTB# output from the device or slot */
					.link = LINK_PIRQB,
					.bitmap = IRQ_BITMAP_LINKB
				},
				[2] = {	/* <-- 2 means this is INTC# output from the device or slot */
					.link = LINK_PIRQC,
					.bitmap = IRQ_BITMAP_LINKC
				},
				[3] = {	/* <-- 3 means this is INTD# output from the device or slot */
					.link = LINK_PIRQD,
					.bitmap = IRQ_BITMAP_LINKD
				}
			}
		},
/*
 * PCI2
 */
		[6] = {
			.slot = 0x2,	/* This is real PCI slot. */
			.bus = 0x00,
			.devfn = (0x0a<<3)|0x0,	/* 0x0a is PCI2 */
			.irq = {
				[0] = {	/* <-- 0 means this is INTA# output from the device or slot */
					.link = LINK_PIRQD,
					.bitmap = IRQ_BITMAP_LINKD
				},
				[1] = {	/* <-- 1 means this is INTB# output from the device or slot */
					.link = LINK_PIRQA,
					.bitmap = IRQ_BITMAP_LINKA
				},
				[2] = {	/* <-- 2 means this is INTC# output from the device or slot */
					.link = LINK_PIRQB,
					.bitmap = IRQ_BITMAP_LINKB
				},
				[3] = {	/* <-- 3 means this is INTD# output from the device or slot */
					.link = LINK_PIRQC,
					.bitmap = IRQ_BITMAP_LINKC
				}
			}
		},
/*
 * PCI3
 */
		[7] = {
			.slot = 0x3,	/* This is real PCI slot. */
			.bus = 0x00,
			.devfn = (0x0b<<3)|0x0,	/* 0x0b is PCI3 */
			.irq = {
				[0] = {	/* <-- 0 means this is INTA# output from the device or slot */
					.link = LINK_PIRQC,
					.bitmap = IRQ_BITMAP_LINKC
				},
				[1] = {	/* <-- 1 means this is INTB# output from the device or slot */
					.link = LINK_PIRQD,
					.bitmap = IRQ_BITMAP_LINKD
				},
				[2] = {	/* <-- 2 means this is INTC# output from the device or slot */
					.link = LINK_PIRQA,
					.bitmap = IRQ_BITMAP_LINKA
				},
				[3] = {	/* <-- 3 means this is INTD# output from the device or slot */
					.link = LINK_PIRQB,
					.bitmap = IRQ_BITMAP_LINKB
				}
			}
		},
/*
 * PCI4
 */
		[8] = {
			.slot = 0x4,	/* This is real PCI slot. */
			.bus = 0x00,
			.devfn = (0x0c<<3)|0x0,	/* 0x0c is PCI4 */
			.irq = {
				[0] = {	/* <-- 0 means this is INTA# output from the device or slot */
					.link = LINK_PIRQB,
					.bitmap = IRQ_BITMAP_LINKB
				},
				[1] = {	/* <-- 1 means this is INTB# output from the device or slot */
					.link = LINK_PIRQC,
					.bitmap = IRQ_BITMAP_LINKC
				},
				[2] = {	/* <-- 2 means this is INTC# output from the device or slot */
					.link = LINK_PIRQD,
					.bitmap = IRQ_BITMAP_LINKD
				},
				[3] = {	/* <-- 3 means this is INTD# output from the device or slot */
					.link = LINK_PIRQA,
					.bitmap = IRQ_BITMAP_LINKA
				}
			}
		},
	}
};

unsigned long write_pirq_routing_table(unsigned long addr)
{
	/* Put the PIR table in memory and checksum. */
	return copy_pirq_routing_table(addr, &intel_irq_routing_table);
}