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(const 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 .map_irq = netwinder_map_irq, 47 .nr_controllers = 1, 48 .ops = &dc21285_ops, 49 .setup = dc21285_setup, 50 .preinit = dc21285_preinit, 51 .postinit = dc21285_postinit, 52 }; 53 54 static int __init netwinder_pci_init(void) 55 { 56 if (machine_is_netwinder()) 57 pci_common_init(&netwinder_pci); 58 return 0; 59 } 60 61 subsys_initcall(netwinder_pci_init); 62