ebsa285-pci.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:1k
- /*
- * linux/arch/arm/mach-footbridge/ebsa285-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>
- static int irqmap_ebsa285[] __initdata = { IRQ_IN3, IRQ_IN1, IRQ_IN0, IRQ_PCI };
- static u8 __init ebsa285_swizzle(struct pci_dev *dev, u8 *pin)
- {
- return PCI_SLOT(dev->devfn);
- }
- static int __init ebsa285_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
- {
- if (dev->vendor == PCI_VENDOR_ID_CONTAQ &&
- dev->device == PCI_DEVICE_ID_CONTAQ_82C693)
- switch (PCI_FUNC(dev->devfn)) {
- case 1: return 14;
- case 2: return 15;
- case 3: return 12;
- }
- return irqmap_ebsa285[(slot + pin) & 3];
- }
- struct hw_pci ebsa285_pci __initdata = {
- setup_resources: dc21285_setup_resources,
- init: dc21285_init,
- mem_offset: DC21285_PCI_MEM,
- swizzle: ebsa285_swizzle,
- map_irq: ebsa285_map_irq,
- };