#ifndef __ASM_SH_PCI_H #define __ASM_SH_PCI_H #ifdef __KERNEL__ #include <linux/dma-mapping.h> /* 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() 1 #define pcibios_scan_all_fns(a, b) 0 /* * A board can define one or more PCI channels that represent built-in (or * external) PCI controllers. */ struct pci_channel { struct pci_ops *pci_ops; struct resource *io_resource; struct resource *mem_resource; int first_devfn; int last_devfn; }; /* * Each board initializes this array and terminates it with a NULL entry. */ extern struct pci_channel board_pci_channels[]; #define PCIBIOS_MIN_IO board_pci_channels->io_resource->start #define PCIBIOS_MIN_MEM board_pci_channels->mem_resource->start struct pci_dev; extern void pcibios_set_master(struct pci_dev *dev); static inline void pcibios_penalize_isa_irq(int irq, int active) { /* We don't do dynamic PCI IRQ allocation */ } /* Dynamic DMA mapping stuff. * SuperH has everything mapped statically like x86. */ /* 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) #include <linux/types.h> #include <linux/slab.h> #include <asm/scatterlist.h> #include <linux/string.h> #include <asm/io.h> /* pci_unmap_{single,page} being a nop depends upon the * configuration. */ #ifdef CONFIG_SH_PCIDMA_NONCOHERENT #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ dma_addr_t ADDR_NAME; #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \ __u32 LEN_NAME; #define pci_unmap_addr(PTR, ADDR_NAME) \ ((PTR)->ADDR_NAME) #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \ (((PTR)->ADDR_NAME) = (VAL)) #define pci_unmap_len(PTR, LEN_NAME) \ ((PTR)->LEN_NAME) #define pci_unmap_len_set(PTR, LEN_NAME, VAL) \ (((PTR)->LEN_NAME) = (VAL)) #else #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) #endif /* Not supporting more than 32-bit PCI bus addresses now, but * must satisfy references to this function. Change if needed. */ #define pci_dac_dma_supported(pci_dev, mask) (0) /* These macros should be used after a pci_map_sg call has been done * to get bus addresses of each of the SG entries and their lengths. * You should only work with the number of sg entries pci_map_sg * returns, or alternatively stop on the first sg_dma_len(sg) which * is 0. */ #define sg_dma_address(sg) (virt_to_bus((sg)->dma_address)) #define sg_dma_len(sg) ((sg)->length) #ifdef CONFIG_PCI static inline void pci_dma_burst_advice(struct pci_dev *pdev, enum pci_dma_burst_strategy *strat, unsigned long *strategy_parameter) { *strat = PCI_DMA_BURST_INFINITY; *strategy_parameter = ~0UL; } #endif /* Board-specific fixup routines. */ extern void pcibios_fixup(void); extern void pcibios_fixup_irqs(void); #ifdef CONFIG_PCI_AUTO extern int pciauto_assign_resources(int busno, struct pci_channel *hose); #endif static inline void pcibios_add_platform_entries(struct pci_dev *dev) { } #endif /* __KERNEL__ */ /* generic pci stuff */ #include <asm-generic/pci.h> /* generic DMA-mapping stuff */ #include <asm-generic/pci-dma-compat.h> #endif /* __ASM_SH_PCI_H */