| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |