summaryrefslogtreecommitdiff
path: root/src/mainboard/amd/f2950/irq_tables.c
blob: dae29a142fb05db1298a13aa8698e2e66a805c5e (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
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2007 Advanced Micro Devices, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * 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.
 */

#include <arch/pirq_routing.h>
#include <console/console.h>
#include <arch/io.h>
#include <arch/pirq_routing.h>
#include "southbridge/amd/cs5536/cs5536.h"

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

/* Map */
#define M_PIRQA (1 << PIRQA)	/* Bitmap of supported IRQs */
#define M_PIRQB (1 << PIRQB)	/* Bitmap of supported IRQs */
#define M_PIRQC (1 << PIRQC)	/* Bitmap of supported IRQs */
#define M_PIRQD (1 << PIRQD)	/* Bitmap of supported IRQs */

/* Link */
#define L_PIRQA	 1		/* Means Slot INTx# Connects To Chipset INTA# */
#define L_PIRQB	 2		/* Means Slot INTx# Connects To Chipset INTB# */
#define L_PIRQC	 3		/* Means Slot INTx# Connects To Chipset INTC# */
#define L_PIRQD	 4		/* Means Slot INTx# Connects To Chipset INTD# */

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) */
	0x00,			/* IRQs devoted exclusively to PCI usage */
	0x100B,			/* Vendor */
	0x002B,			/* Device */
	0,			/* Miniport data */
	{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},	/* u8 rfu[11] */
	0x00,			/*      u8 checksum , this has to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */
	{
	 /* If you change the number of entries, change the CONFIG_IRQ_SLOT_COUNT above! */
	 /* bus, dev|fn,           {link, bitmap},      {link, bitmap},     {link, bitmap},     {link, bitmap},     slot, rfu */
	 {0x00, (0x01 << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0},	/* CPU */
	 {0x00, (0x0F << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x0, 0x0}, /* chipset */
	 {0x00, (0x0D << 3) | 0x0, {{L_PIRQB, M_PIRQB}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0},   /* ethernet */
	 }
};

unsigned long write_pirq_routing_table(unsigned long addr)
{
	return copy_pirq_routing_table(addr, &intel_irq_routing_table);
}