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1da177e4 LT |
1 | /* |
2 | * linux/arch/arm/mach-footbridge/ebsa285-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 | static int irqmap_ebsa285[] __initdata = { IRQ_IN3, IRQ_IN1, IRQ_IN0, IRQ_PCI }; | |
17 | ||
d5341942 | 18 | static int __init ebsa285_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
1da177e4 LT |
19 | { |
20 | if (dev->vendor == PCI_VENDOR_ID_CONTAQ && | |
21 | dev->device == PCI_DEVICE_ID_CONTAQ_82C693) | |
22 | switch (PCI_FUNC(dev->devfn)) { | |
49b95e28 AG |
23 | case 1: return 14; |
24 | case 2: return 15; | |
25 | case 3: return 12; | |
1da177e4 LT |
26 | } |
27 | ||
28 | return irqmap_ebsa285[(slot + pin) & 3]; | |
29 | } | |
30 | ||
31 | static struct hw_pci ebsa285_pci __initdata = { | |
1da177e4 LT |
32 | .map_irq = ebsa285_map_irq, |
33 | .nr_controllers = 1, | |
c23bfc38 | 34 | .ops = &dc21285_ops, |
1da177e4 | 35 | .setup = dc21285_setup, |
1da177e4 LT |
36 | .preinit = dc21285_preinit, |
37 | .postinit = dc21285_postinit, | |
38 | }; | |
39 | ||
40 | static int __init ebsa285_init_pci(void) | |
41 | { | |
42 | if (machine_is_ebsa285()) | |
43 | pci_common_init(&ebsa285_pci); | |
44 | return 0; | |
45 | } | |
46 | ||
47 | subsys_initcall(ebsa285_init_pci); |