netwinder-pci.c
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:2k
- /*
- * linux/arch/arm/mach-footbridge/netwinder-pci.c
- *
- * PCI bios-type initialisation for PCI machines
- *
- * Bits taken from various places.
- */
- #include <linux/kernel.h>
- #include <linux/pci.h>
- #include <linux/init.h>
- #include <asm/irq.h>
- #include <asm/mach/pci.h>
- #include <asm/hardware/dec21285.h>
- /* netwinder host-specific stuff */
- static int __init netwinder_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
- {
- #define DEV(v,d) ((v)<<16|(d))
- switch (DEV(dev->vendor, dev->device)) {
- case DEV(PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21142):
- case DEV(PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C885):
- case DEV(PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_YELLOWFIN):
- return IRQ_NETWINDER_ETHER100;
- case DEV(PCI_VENDOR_ID_WINBOND2, 0x5a5a):
- return IRQ_NETWINDER_ETHER10;
- case DEV(PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_83C553):
- return 0;
- case DEV(PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105):
- return IRQ_ISA_HARDDISK1;
- case DEV(PCI_VENDOR_ID_INTERG, PCI_DEVICE_ID_INTERG_2000):
- case DEV(PCI_VENDOR_ID_INTERG, PCI_DEVICE_ID_INTERG_2010):
- case DEV(PCI_VENDOR_ID_INTERG, PCI_DEVICE_ID_INTERG_5000):
- return IRQ_NETWINDER_VGA;
- case DEV(PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285):
- return 0;
- default:
- printk(KERN_ERR "PCI: %02X:%02X [%04X:%04X] unknown devicen",
- dev->bus->number, dev->devfn,
- dev->vendor, dev->device);
- return 0;
- }
- }
- struct hw_pci netwinder_pci __initdata = {
- setup_resources: dc21285_setup_resources,
- init: dc21285_init,
- mem_offset: DC21285_PCI_MEM,
- swizzle: no_swizzle,
- map_irq: netwinder_map_irq,
- };