1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __SPARC_PCI_H 3 #define __SPARC_PCI_H 4 5 #ifdef __KERNEL__ 6 7 #include <linux/dma-mapping.h> 8 9 /* Can be used to override the logic in pci_scan_bus for skipping 10 * already-configured bus numbers - to be used for buggy BIOSes 11 * or architectures with incomplete PCI setup by the loader. 12 */ 13 #define pcibios_assign_all_busses() 0 14 15 #define PCIBIOS_MIN_IO 0UL 16 #define PCIBIOS_MIN_MEM 0UL 17 18 #define PCI_IRQ_NONE 0xffffffff 19 20 #endif /* __KERNEL__ */ 21 22 #ifndef CONFIG_LEON_PCI 23 /* generic pci stuff */ 24 #include <asm-generic/pci.h> 25 #else 26 /* 27 * On LEON PCI Memory space is mapped 1:1 with physical address space. 28 * 29 * I/O space is located at low 64Kbytes in PCI I/O space. The I/O addresses 30 * are converted into CPU addresses to virtual addresses that are mapped with 31 * MMU to the PCI Host PCI I/O space window which are translated to the low 32 * 64Kbytes by the Host controller. 33 */ 34 pci_get_legacy_ide_irq(struct pci_dev * dev,int channel)35static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) 36 { 37 return PCI_IRQ_NONE; 38 } 39 #endif 40 41 #endif /* __SPARC_PCI_H */ 42