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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2010 Marc Bertens <mbertens@xs4all.nl>
*
* 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.
*/
#include <arch/pirq_routing.h>
#define PIRQ_IRQ_MASK 0x0c60
static const struct irq_routing_table intel_irq_routing_table = {
PIRQ_SIGNATURE, /* u32 signature */
PIRQ_VERSION, /* u16 version */
32 + 16 * CONFIG_IRQ_SLOT_COUNT,/* Max. number of devices on the bus */
0x00, /* Interrupt router bus */
(0x07 << 3) | 0x0, /* Interrupt router dev */
0, /* IRQs devoted exclusively to PCI usage */
0x8086, /* Vendor */
0x122e, /* Device */
0, /* Miniport */
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
0xD7, /* Checksum */
{
/**
* Rebuild of the PIRQ table, to fix the non-working on-board NIC and PCMCIA controller.
* FEDCBA9876543210
* 0x1E20 = 0001111000100000
* 0x0C60 = 0000110001100000
*/
// Southbridge 82371EB, INTD = 0x63
{ 0x00, (0x07 << 3) | 0x0, {{0x00, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}}, 0x0, 0x0 },
// On-board PCI-to-PCI bridge
{ 0x01, (0x00 << 3) | 0x0, {{0x60, PIRQ_IRQ_MASK}, {0x61, PIRQ_IRQ_MASK}, {0x62, PIRQ_IRQ_MASK}, {0x63, PIRQ_IRQ_MASK}}, 0x0, 0x0 },
// ETH1 on front panel, INTA = 0x62 = ok
{ 0x00, (0x0d << 3) | 0x0, {{0x62, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}}, 0x0, 0x0 },
// ETH2 on front panel, 0x63
{ 0x00, (0x0e << 3) | 0x0, {{0x63, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}}, 0x0, 0x0 },
// ETH3 on front panel = 0x60
{ 0x02, (0x04 << 3) | 0x0, {{0x60, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}}, 0x0, 0x0 },
// ETH4 on front panel, INTA = 0x61 = ok
{ 0x02, (0x05 << 3) | 0x0, {{0x61, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}}, 0x0, 0x0 },
// PCMCIA/Cardbus controller, INTA = 0x60 = ok, INTB = 0x61 = ok
{ 0x00, (0x0f << 3) | 0x0, {{0x60, PIRQ_IRQ_MASK}, {0x61, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}, {0x00, PIRQ_IRQ_MASK}}, 0x0, 0x0 },
// Bridge for slot 1 (top)
{ 0x02, (0x07 << 3) | 0x0, {{0x61, PIRQ_IRQ_MASK}, {0x62, PIRQ_IRQ_MASK}, {0x63, PIRQ_IRQ_MASK}, {0x64, PIRQ_IRQ_MASK}}, 0x0, 0x0 },
// PCI compact slots 1 (top)
{ 0x03, (0x04 << 3) | 0x0, {{0x61, PIRQ_IRQ_MASK}, {0x62, PIRQ_IRQ_MASK}, {0x63, PIRQ_IRQ_MASK}, {0x60, PIRQ_IRQ_MASK}}, 0x1, 0x0 },
{ 0x03, (0x05 << 3) | 0x0, {{0x62, PIRQ_IRQ_MASK}, {0x63, PIRQ_IRQ_MASK}, {0x60, PIRQ_IRQ_MASK}, {0x61, PIRQ_IRQ_MASK}}, 0x2, 0x0 },
{ 0x03, (0x06 << 3) | 0x0, {{0x63, PIRQ_IRQ_MASK}, {0x60, PIRQ_IRQ_MASK}, {0x61, PIRQ_IRQ_MASK}, {0x62, PIRQ_IRQ_MASK}}, 0x3, 0x0 },
{ 0x03, (0x07 << 3) | 0x0, {{0x60, PIRQ_IRQ_MASK}, {0x61, PIRQ_IRQ_MASK}, {0x62, PIRQ_IRQ_MASK}, {0x63, PIRQ_IRQ_MASK}}, 0x4, 0x0 },
// Bridge for slot 2 (middle)
{ 0x02, (0x06 << 3) | 0x0, {{0x61, PIRQ_IRQ_MASK}, {0x62, PIRQ_IRQ_MASK}, {0x63, PIRQ_IRQ_MASK}, {0x60, PIRQ_IRQ_MASK}}, 0x0, 0x0 },
// PCI compact slots 2 (middle)
{ 0x04, (0x04 << 3) | 0x0, {{0x61, PIRQ_IRQ_MASK}, {0x62, PIRQ_IRQ_MASK}, {0x63, PIRQ_IRQ_MASK}, {0x60, PIRQ_IRQ_MASK}}, 0x5, 0x0 },
{ 0x04, (0x05 << 3) | 0x0, {{0x62, PIRQ_IRQ_MASK}, {0x63, PIRQ_IRQ_MASK}, {0x60, PIRQ_IRQ_MASK}, {0x61, PIRQ_IRQ_MASK}}, 0x6, 0x0 },
{ 0x04, (0x06 << 3) | 0x0, {{0x63, PIRQ_IRQ_MASK}, {0x60, PIRQ_IRQ_MASK}, {0x61, PIRQ_IRQ_MASK}, {0x62, PIRQ_IRQ_MASK}}, 0x7, 0x0 },
{ 0x04, (0x07 << 3) | 0x0, {{0x60, PIRQ_IRQ_MASK}, {0x61, PIRQ_IRQ_MASK}, {0x62, PIRQ_IRQ_MASK}, {0x63, PIRQ_IRQ_MASK}}, 0x8, 0x0 },
// Bridge for slot 3 (bottom)
{ 0x00, (0x10 << 3) | 0x0, {{0x61, PIRQ_IRQ_MASK}, {0x62, PIRQ_IRQ_MASK}, {0x63, PIRQ_IRQ_MASK}, {0x60, PIRQ_IRQ_MASK}}, 0x0, 0x0 },
// PCI compact slots 3 (bottom)
{ 0x05, (0x04 << 3) | 0x0, {{0x61, PIRQ_IRQ_MASK}, {0x62, PIRQ_IRQ_MASK}, {0x63, PIRQ_IRQ_MASK}, {0x60, PIRQ_IRQ_MASK}}, 0x9, 0x0 },
{ 0x05, (0x05 << 3) | 0x0, {{0x62, PIRQ_IRQ_MASK}, {0x63, PIRQ_IRQ_MASK}, {0x60, PIRQ_IRQ_MASK}, {0x61, PIRQ_IRQ_MASK}}, 0xA, 0x0 },
{ 0x05, (0x06 << 3) | 0x0, {{0x63, PIRQ_IRQ_MASK}, {0x60, PIRQ_IRQ_MASK}, {0x61, PIRQ_IRQ_MASK}, {0x62, PIRQ_IRQ_MASK}}, 0xB, 0x0 },
{ 0x05, (0x07 << 3) | 0x0, {{0x60, PIRQ_IRQ_MASK}, {0x61, PIRQ_IRQ_MASK}, {0x62, PIRQ_IRQ_MASK}, {0x63, PIRQ_IRQ_MASK}}, 0xC, 0x0 },
}
};
unsigned long write_pirq_routing_table(unsigned long addr)
{
return copy_pirq_routing_table(addr, &intel_irq_routing_table);
}
/**
* TODO: This stub function is here until the point is solved in the
* main code of coreboot. See also arch/x86/boot/pirq_tables.c.
*/
void pirq_assign_irqs(const unsigned char pIntAtoD[4])
{
return;
}
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