Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * linux/arch/arm/mach-footbridge/netwinder-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 | ||
12 | #include <asm/irq.h> | |
13 | #include <asm/mach/pci.h> | |
14 | #include <asm/mach-types.h> | |
15 | ||
16 | /* | |
17 | * We now use the slot ID instead of the device identifiers to select | |
18 | * which interrupt is routed where. | |
19 | */ | |
20 | static int __init netwinder_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | |
21 | { | |
22 | switch (slot) { | |
23 | case 0: /* host bridge */ | |
24 | return 0; | |
25 | ||
26 | case 9: /* CyberPro */ | |
27 | return IRQ_NETWINDER_VGA; | |
28 | ||
29 | case 10: /* DC21143 */ | |
30 | return IRQ_NETWINDER_ETHER100; | |
31 | ||
32 | case 12: /* Winbond 553 */ | |
33 | return IRQ_ISA_HARDDISK1; | |
34 | ||
35 | case 13: /* Winbond 89C940F */ | |
36 | return IRQ_NETWINDER_ETHER10; | |
37 | ||
38 | default: | |
39 | printk(KERN_ERR "PCI: unknown device in slot %s\n", | |
40 | pci_name(dev)); | |
41 | return 0; | |
42 | } | |
43 | } | |
44 | ||
45 | static struct hw_pci netwinder_pci __initdata = { | |
46 | .swizzle = pci_std_swizzle, | |
47 | .map_irq = netwinder_map_irq, | |
48 | .nr_controllers = 1, | |
49 | .setup = dc21285_setup, | |
50 | .scan = dc21285_scan_bus, | |
51 | .preinit = dc21285_preinit, | |
52 | .postinit = dc21285_postinit, | |
53 | }; | |
54 | ||
55 | static int __init netwinder_pci_init(void) | |
56 | { | |
57 | if (machine_is_netwinder()) | |
58 | pci_common_init(&netwinder_pci); | |
59 | return 0; | |
60 | } | |
61 | ||
62 | subsys_initcall(netwinder_pci_init); |