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>
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.
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
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.
19 #include <linux/init.h>
20 #include <linux/pci.h>
22 #include <asm/mips-boards/atlasint.h>
24 #define PCIA ATLAS_INT_PCIA
25 #define PCIB ATLAS_INT_PCIB
26 #define PCIC ATLAS_INT_PCIC
27 #define PCID ATLAS_INT_PCID
28 #define INTA ATLAS_INT_INTA
29 #define INTB ATLAS_INT_INTB
30 #define ETH ATLAS_INT_ETH
31 #define INTC ATLAS_INT_INTC
32 #define SCSI ATLAS_INT_SCSI
33 #define INTD ATLAS_INT_INTD
35 static char irq_tab[][5] __initdata = {
36 /* INTA INTB INTC INTD */
37 {0, 0, 0, 0, 0 }, /* 0: Unused */
38 {0, 0, 0, 0, 0 }, /* 1: Unused */
39 {0, 0, 0, 0, 0 }, /* 2: Unused */
40 {0, 0, 0, 0, 0 }, /* 3: Unused */
41 {0, 0, 0, 0, 0 }, /* 4: Unused */
42 {0, 0, 0, 0, 0 }, /* 5: Unused */
43 {0, 0, 0, 0, 0 }, /* 6: Unused */
44 {0, 0, 0, 0, 0 }, /* 7: Unused */
45 {0, 0, 0, 0, 0 }, /* 8: Unused */
46 {0, 0, 0, 0, 0 }, /* 9: Unused */
47 {0, 0, 0, 0, 0 }, /* 10: Unused */
48 {0, 0, 0, 0, 0 }, /* 11: Unused */
49 {0, 0, 0, 0, 0 }, /* 12: Unused */
50 {0, 0, 0, 0, 0 }, /* 13: Unused */
51 {0, 0, 0, 0, 0 }, /* 14: Unused */
52 {0, PCIA, PCIB, PCIC, PCID }, /* 15: cPCI (behind 21150) */
53 {0, SCSI, 0, 0, 0 }, /* 16: SYM53C810A SCSI */
54 {0, 0, 0, 0, 0 }, /* 17: Core */
55 {0, INTA, INTB, INTC, INTD }, /* 18: PCI Slot */
56 {0, ETH, 0, 0, 0 }, /* 19: SAA9730 Eth. et al. */
57 {0, 0, 0, 0, 0 }, /* 20: Unused */
58 {0, 0, 0, 0, 0 } /* 21: Unused */
61 int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
63 return irq_tab[slot][pin];
66 /* Do platform specific device initialization at pci_enable_device() time */
67 int pcibios_plat_dev_init(struct pci_dev *dev)
74 * The PCI scan may have moved the saa9730 I/O address, so reread
76 * This does mean that it's not possible to debug the PCI bus configuration
77 * code, but it is better than nothing...
80 static void atlas_saa9730_base_fixup (struct pci_dev *pdev)
82 extern void *saa9730_base;
83 if (pdev->bus == 0 && PCI_SLOT(pdev->devfn) == 19)
84 (void) pci_read_config_dword (pdev, 0x14, (u32 *)&saa9730_base);
85 printk ("saa9730_base = %x\n", saa9730_base);
88 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA9730,
89 atlas_saa9730_base_fixup);