blob: dae29a142fb05db1298a13aa8698e2e66a805c5e [file] [log] [blame]
Andrey Korolyovd83b0e92016-07-01 20:06:37 +03001/*
2 * This file is part of the coreboot project.
3 *
4 * Copyright (C) 2007 Advanced Micro Devices, Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16#include <arch/pirq_routing.h>
17#include <console/console.h>
18#include <arch/io.h>
19#include <arch/pirq_routing.h>
20#include "southbridge/amd/cs5536/cs5536.h"
21
22/* Platform IRQs */
23#define PIRQA 11
24#define PIRQB 5
25#define PIRQC 10
26#define PIRQD 10
27
28/* Map */
29#define M_PIRQA (1 << PIRQA) /* Bitmap of supported IRQs */
30#define M_PIRQB (1 << PIRQB) /* Bitmap of supported IRQs */
31#define M_PIRQC (1 << PIRQC) /* Bitmap of supported IRQs */
32#define M_PIRQD (1 << PIRQD) /* Bitmap of supported IRQs */
33
34/* Link */
35#define L_PIRQA 1 /* Means Slot INTx# Connects To Chipset INTA# */
36#define L_PIRQB 2 /* Means Slot INTx# Connects To Chipset INTB# */
37#define L_PIRQC 3 /* Means Slot INTx# Connects To Chipset INTC# */
38#define L_PIRQD 4 /* Means Slot INTx# Connects To Chipset INTD# */
39
40static const struct irq_routing_table intel_irq_routing_table = {
41 PIRQ_SIGNATURE, /* u32 signature */
42 PIRQ_VERSION, /* u16 version */
43 32 + 16 * CONFIG_IRQ_SLOT_COUNT, /* there can be total CONFIG_IRQ_SLOT_COUNT devices on the bus */
44 0x00, /* Where the interrupt router lies (bus) */
45 (0x0F << 3) | 0x0, /* Where the interrupt router lies (dev) */
46 0x00, /* IRQs devoted exclusively to PCI usage */
47 0x100B, /* Vendor */
48 0x002B, /* Device */
49 0, /* Miniport data */
50 {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, /* u8 rfu[11] */
51 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) */
52 {
53 /* If you change the number of entries, change the CONFIG_IRQ_SLOT_COUNT above! */
54 /* bus, dev|fn, {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap}, slot, rfu */
Elyes HAOUAS8ab989e2016-07-30 17:46:17 +020055 {0x00, (0x01 << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0}, /* CPU */
Andrey Korolyovd83b0e92016-07-01 20:06:37 +030056 {0x00, (0x0F << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x0, 0x0}, /* chipset */
57 {0x00, (0x0D << 3) | 0x0, {{L_PIRQB, M_PIRQB}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0}, /* ethernet */
58 }
59};
60
61unsigned long write_pirq_routing_table(unsigned long addr)
62{
63 return copy_pirq_routing_table(addr, &intel_irq_routing_table);
64}