2 * This file is part of the coreboot project.
4 * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include <console/console.h>
23 #include <device/device.h>
24 #include <device/pci.h>
25 #include <device/pci_ids.h>
28 static void cs5530_read_resources(device_t dev)
32 pci_dev_read_resources(dev);
34 res = new_resource(dev, 1);
37 res->limit = 0xffffUL;
38 res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
40 res = new_resource(dev, 3); /* IOAPIC */
41 res->base = 0xfec00000;
42 res->size = 0x00001000;
43 res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
46 static void isa_init(struct device *dev)
50 // TODO: Test if needed, otherwise drop.
52 /* Set positive decode on ROM. */
53 reg8 = pci_read_config8(dev, DECODE_CONTROL_REG2);
54 reg8 |= BIOS_ROM_POSITIVE_DECODE;
55 pci_write_config8(dev, DECODE_CONTROL_REG2, reg8);
58 static void cs5530_pci_dev_enable_resources(device_t dev)
61 pci_dev_enable_resources(dev);
62 enable_childrens_resources(dev);
65 static struct device_operations isa_ops = {
66 .read_resources = cs5530_read_resources,
67 .set_resources = pci_dev_set_resources,
68 .enable_resources = cs5530_pci_dev_enable_resources,
71 .scan_bus = scan_static_bus,
74 static const struct pci_driver isa_driver __pci_driver = {
76 .vendor = PCI_VENDOR_ID_CYRIX,
77 .device = PCI_DEVICE_ID_CYRIX_5530_LEGACY,