Btrfs: update the MAINTAINERS file
[linux-drm-fsl-dcu.git] / arch / arm / mach-shark / pci.c
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 <linux/io.h>
12 #include <video/vga.h>
13
14 #include <asm/irq.h>
15 #include <asm/mach/pci.h>
16 #include <asm/mach-types.h>
17
18 #define IO_START        0x40000000
19
20 static int __init shark_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
21 {
22         if (dev->bus->number == 0)
23                 if (dev->devfn == 0)
24                         return 255;
25                 else
26                         return 11;
27         else
28                 return 255;
29 }
30
31 extern void __init via82c505_preinit(void);
32
33 static struct hw_pci shark_pci __initdata = {
34         .setup          = via82c505_setup,
35         .map_irq        = shark_map_irq,
36         .nr_controllers = 1,
37         .ops            = &via82c505_ops,
38         .preinit        = via82c505_preinit,
39 };
40
41 static int __init shark_pci_init(void)
42 {
43         if (!machine_is_shark())
44                 return -ENODEV;
45
46         pcibios_min_io = 0x6000;
47         pcibios_min_mem = 0x50000000;
48         vga_base = 0xe8000000;
49
50         pci_ioremap_io(0, IO_START);
51
52         pci_common_init(&shark_pci);
53
54         return 0;
55 }
56
57 subsys_initcall(shark_pci_init);