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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
2 | /* |
3 | * linux/arch/arm/mach-footbridge/netwinder-pci.c | |
4 | * | |
5 | * PCI bios-type initialisation for PCI machines | |
6 | * | |
7 | * Bits taken from various places. | |
8 | */ | |
9 | #include <linux/kernel.h> | |
10 | #include <linux/pci.h> | |
11 | #include <linux/init.h> | |
12 | ||
13 | #include <asm/irq.h> | |
14 | #include <asm/mach/pci.h> | |
15 | #include <asm/mach-types.h> | |
16 | ||
17 | /* | |
18 | * We now use the slot ID instead of the device identifiers to select | |
19 | * which interrupt is routed where. | |
20 | */ | |
d5341942 | 21 | static int __init netwinder_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
1da177e4 LT |
22 | { |
23 | switch (slot) { | |
24 | case 0: /* host bridge */ | |
25 | return 0; | |
26 | ||
27 | case 9: /* CyberPro */ | |
28 | return IRQ_NETWINDER_VGA; | |
29 | ||
30 | case 10: /* DC21143 */ | |
31 | return IRQ_NETWINDER_ETHER100; | |
32 | ||
33 | case 12: /* Winbond 553 */ | |
34 | return IRQ_ISA_HARDDISK1; | |
35 | ||
36 | case 13: /* Winbond 89C940F */ | |
37 | return IRQ_NETWINDER_ETHER10; | |
38 | ||
39 | default: | |
40 | printk(KERN_ERR "PCI: unknown device in slot %s\n", | |
41 | pci_name(dev)); | |
42 | return 0; | |
43 | } | |
44 | } | |
45 | ||
46 | static struct hw_pci netwinder_pci __initdata = { | |
1da177e4 LT |
47 | .map_irq = netwinder_map_irq, |
48 | .nr_controllers = 1, | |
c23bfc38 | 49 | .ops = &dc21285_ops, |
1da177e4 | 50 | .setup = dc21285_setup, |
1da177e4 LT |
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); |