#ifndef __ASM_CRIS_PCI_H #define __ASM_CRIS_PCI_H #ifdef __KERNEL__ #include <linux/mm.h> /* for struct page */ /* Can be used to override the logic in pci_scan_bus for skipping already-configured bus numbers - to be used for buggy BIOSes or architectures with incomplete PCI setup by the loader */ #define pcibios_assign_all_busses(void) 1 extern unsigned long pci_mem_start; #define PCIBIOS_MIN_IO 0x1000 #define PCIBIOS_MIN_MEM 0x10000000 #define PCIBIOS_MIN_CARDBUS_IO 0x4000 void pcibios_config_init(void); struct pci_bus * pcibios_scan_root(int bus); int pcibios_assign_resources(void); void pcibios_set_master(struct pci_dev *dev); void pcibios_penalize_isa_irq(int irq); struct irq_routing_table *pcibios_get_irq_routing_table(void); int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); /* Dynamic DMA mapping stuff. * i386 has everything mapped statically. */ #include <linux/types.h> #include <linux/slab.h> #include <asm/scatterlist.h> #include <linux/string.h> #include <asm/io.h> struct pci_dev; /* The PCI address space does equal the physical memory * address space. The networking and block device layers use * this boolean for bounce buffer decisions. */ #define PCI_DMA_BUS_IS_PHYS (1) /* pci_unmap_{page,single} is a nop so... */ #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) #define pci_unmap_addr(PTR, ADDR_NAME) (0) #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) #define pci_unmap_len(PTR, LEN_NAME) (0) #define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) /* This is always fine. */ #define pci_dac_dma_supported(pci_dev, mask) (1) static inline dma64_addr_t pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page, unsigned long offset, int direction) { return ((dma64_addr_t) page_to_phys(page) + (dma64_addr_t) offset); } static inline struct page * pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr) { return pfn_to_page(dma_addr >> PAGE_SHIFT); } static inline unsigned long pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr) { return (dma_addr & ~PAGE_MASK); } static inline void pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction) { } static inline void pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction) { } #define HAVE_PCI_MMAP extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine); static inline void pcibios_add_platform_entries(struct pci_dev *dev) { } #endif /* __KERNEL__ */ /* implement the pci_ DMA API in terms of the generic device dma_ one */ #include <asm-generic/pci-dma-compat.h> /* generic pci stuff */ #include <asm-generic/pci.h> #endif /* __ASM_CRIS_PCI_H */