1 /*
2 * linux/arch/arm/mach-shark/pci.c
3 *
4 * PCI bios-type initialisation for PCI machines
5 *
6 * Bits taken from various places.
7 */
8 #include <linux/kernel.h>
9 #include <linux/pci.h>
10 #include <linux/init.h>
11 #include <video/vga.h>
12
13 #include <asm/irq.h>
14 #include <asm/mach/pci.h>
15 #include <asm/mach-types.h>
16
shark_map_irq(const struct pci_dev * dev,u8 slot,u8 pin)17 static int __init shark_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
18 {
19 if (dev->bus->number == 0)
20 if (dev->devfn == 0)
21 return 255;
22 else
23 return 11;
24 else
25 return 255;
26 }
27
28 extern void __init via82c505_preinit(void);
29
30 static struct hw_pci shark_pci __initdata = {
31 .setup = via82c505_setup,
32 .swizzle = pci_std_swizzle,
33 .map_irq = shark_map_irq,
34 .nr_controllers = 1,
35 .scan = via82c505_scan_bus,
36 .preinit = via82c505_preinit,
37 };
38
shark_pci_init(void)39 static int __init shark_pci_init(void)
40 {
41 if (!machine_is_shark())
42 return;
43
44 pcibios_min_io = 0x6000;
45 pcibios_min_mem = 0x50000000;
46 vga_base = 0xe8000000;
47
48 pci_common_init(&shark_pci);
49
50 return 0;
51 }
52
53 subsys_initcall(shark_pci_init);
54