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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 Nikolay Petukhov <nikolay.petukhov@gmail.com>
* Copyright (C) 2010 Tobias Diedrich <ranma+coreboot@tdiedrich.de>
*
* 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>
#include <console/console.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <pc80/i8259.h>
#if IS_ENABLED(CONFIG_PIRQ_ROUTE) && IS_ENABLED(CONFIG_GENERATE_PIRQ_TABLE)
void pirq_assign_irqs(const unsigned char route[4])
{
device_t pdev;
pdev = dev_find_device(PCI_VENDOR_ID_VIA,
PCI_DEVICE_ID_VIA_VT8237R_LPC, 0);
if (!pdev)
pdev = dev_find_device(PCI_VENDOR_ID_VIA,
PCI_DEVICE_ID_VIA_VT8237S_LPC, 0);
if (!pdev)
pdev = dev_find_device(PCI_VENDOR_ID_VIA,
PCI_DEVICE_ID_VIA_VT8237A_LPC, 0);
if (!pdev)
return;
pci_write_config8(pdev, 0x55, route[0] << 4);
pci_write_config8(pdev, 0x56, (route[2] << 4) | route[1]);
pci_write_config8(pdev, 0x57, route[3] << 4);
/* Enable INT[E-H] mapped to INT[A-D] for simplicity */
pci_write_config8(pdev, 0x46, 0x00);
}
#endif
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