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 16static int irqmap_ebsa285[] __initdata = { IRQ_IN3, IRQ_IN1, IRQ_IN0, IRQ_PCI }; 17 18static int __init ebsa285_map_irq(struct pci_dev *dev, u8 slot, u8 pin) 19{ 20 if (dev->vendor == PCI_VENDOR_ID_CONTAQ && 21 dev->device == PCI_DEVICE_ID_CONTAQ_82C693) 22 switch (PCI_FUNC(dev->devfn)) { 23 case 1: return 14; 24 case 2: return 15; 25 case 3: return 12; 26 } 27 28 return irqmap_ebsa285[(slot + pin) & 3]; 29} 30 31static struct hw_pci ebsa285_pci __initdata = { 32 .swizzle = pci_std_swizzle, 33 .map_irq = ebsa285_map_irq, 34 .nr_controllers = 1, 35 .setup = dc21285_setup, 36 .scan = dc21285_scan_bus, 37 .preinit = dc21285_preinit, 38 .postinit = dc21285_postinit, 39}; 40 41static int __init ebsa285_init_pci(void) 42{ 43 if (machine_is_ebsa285()) 44 pci_common_init(&ebsa285_pci); 45 return 0; 46} 47 48subsys_initcall(ebsa285_init_pci); 49