blob: 87920b245931bc1571f54a1021955e2dd19668f5 [file] [log] [blame]
Maciej W. Rozyckibec02042005-02-01 12:02:37 +00001/*
2 * Copyright (C) 2003, 2004 Ralf Baechle (ralf@linux-mips.org)
3 * Copyright (C) 2005 MIPS Technologies, Inc. All rights reserved.
4 * Author: Maciej W. Rozycki <macro@mips.com>
5 *
6 * This program is free software; you can distribute it and/or modify it
7 * 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 it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
18 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#include <linux/config.h>
20#include <linux/init.h>
21#include <linux/pci.h>
Maciej W. Rozyckibec02042005-02-01 12:02:37 +000022
Linus Torvalds1da177e2005-04-16 15:20:36 -070023#include <asm/mips-boards/atlasint.h>
24
Maciej W. Rozyckibec02042005-02-01 12:02:37 +000025#define PCIA ATLASINT_PCIA
26#define PCIB ATLASINT_PCIB
27#define PCIC ATLASINT_PCIC
28#define PCID ATLASINT_PCID
Linus Torvalds1da177e2005-04-16 15:20:36 -070029#define INTA ATLASINT_INTA
Maciej W. Rozyckibec02042005-02-01 12:02:37 +000030#define INTB ATLASINT_INTB
Linus Torvalds1da177e2005-04-16 15:20:36 -070031#define ETH ATLASINT_ETH
Maciej W. Rozyckibec02042005-02-01 12:02:37 +000032#define INTC ATLASINT_INTC
33#define SCSI ATLASINT_SCSI
34#define INTD ATLASINT_INTD
Linus Torvalds1da177e2005-04-16 15:20:36 -070035
36static char irq_tab[][5] __initdata = {
37 /* INTA INTB INTC INTD */
38 {0, 0, 0, 0, 0 }, /* 0: Unused */
39 {0, 0, 0, 0, 0 }, /* 1: Unused */
40 {0, 0, 0, 0, 0 }, /* 2: Unused */
41 {0, 0, 0, 0, 0 }, /* 3: Unused */
42 {0, 0, 0, 0, 0 }, /* 4: Unused */
43 {0, 0, 0, 0, 0 }, /* 5: Unused */
44 {0, 0, 0, 0, 0 }, /* 6: Unused */
45 {0, 0, 0, 0, 0 }, /* 7: Unused */
46 {0, 0, 0, 0, 0 }, /* 8: Unused */
47 {0, 0, 0, 0, 0 }, /* 9: Unused */
48 {0, 0, 0, 0, 0 }, /* 10: Unused */
49 {0, 0, 0, 0, 0 }, /* 11: Unused */
50 {0, 0, 0, 0, 0 }, /* 12: Unused */
51 {0, 0, 0, 0, 0 }, /* 13: Unused */
52 {0, 0, 0, 0, 0 }, /* 14: Unused */
Maciej W. Rozyckibec02042005-02-01 12:02:37 +000053 {0, PCIA, PCIB, PCIC, PCID }, /* 15: cPCI (behind 21150) */
Linus Torvalds1da177e2005-04-16 15:20:36 -070054 {0, SCSI, 0, 0, 0 }, /* 16: SYM53C810A SCSI */
55 {0, 0, 0, 0, 0 }, /* 17: Core */
Maciej W. Rozyckibec02042005-02-01 12:02:37 +000056 {0, INTA, INTB, INTC, INTD }, /* 18: PCI Slot */
57 {0, ETH, 0, 0, 0 }, /* 19: SAA9730 Eth. et al. */
58 {0, 0, 0, 0, 0 }, /* 20: Unused */
59 {0, 0, 0, 0, 0 } /* 21: Unused */
Linus Torvalds1da177e2005-04-16 15:20:36 -070060};
61
62int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
63{
64 return irq_tab[slot][pin];
65}
66
67/* Do platform specific device initialization at pci_enable_device() time */
68int pcibios_plat_dev_init(struct pci_dev *dev)
69{
70 return 0;
71}
72
73#ifdef CONFIG_KGDB
74/*
75 * The PCI scan may have moved the saa9730 I/O address, so reread
76 * the address here.
77 * This does mean that it's not possible to debug the PCI bus configuration
78 * code, but it is better than nothing...
79 */
80
81static void atlas_saa9730_base_fixup (struct pci_dev *pdev)
82{
83 extern void *saa9730_base;
84 if (pdev->bus == 0 && PCI_SLOT(pdev->devfn) == 19)
85 (void) pci_read_config_dword (pdev, 0x14, (u32 *)&saa9730_base);
86 printk ("saa9730_base = %x\n", saa9730_base);
87}
88
89DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA9730,
90 atlas_saa9730_base_fixup);
91
92#endif