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- #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 {
- int (*init)(struct pci_channel *chan);
- struct pci_ops *pci_ops;
- struct resource *io_resource;
- struct resource *mem_resource;
- int first_devfn;
- int last_devfn;
- int enabled;
- unsigned long reg_base;
- unsigned long io_base;
- };
- /*
- * Each board initializes this array and terminates it with a NULL entry.
- */
- extern struct pci_channel board_pci_channels[];
- /* ugly as hell, but makes drivers/pci/setup-res.c compile and work */
- #define __PCI_CHAN(bus) ((struct pci_channel *)bus->sysdata)
- #define PCIBIOS_MIN_IO __PCI_CHAN(bus)->io_resource->start
- #define PCIBIOS_MIN_MEM __PCI_CHAN(bus)->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
- #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;
- }
- static inline int __is_pci_memory(unsigned long phys_addr, unsigned long size)
- {
- struct pci_channel *p;
- struct resource *res;
- for (p = board_pci_channels; p->init; p++) {
- res = p->mem_resource;
- if (p->enabled && (phys_addr >= res->start) &&
- (phys_addr + size) <= (res->end + 1))
- return 1;
- }
- return 0;
- }
- static inline void __iomem *__get_pci_io_base(unsigned long port,
- unsigned long size)
- {
- struct pci_channel *p;
- struct resource *res;
- for (p = board_pci_channels; p->init; p++) {
- res = p->io_resource;
- if (p->enabled && (port >= res->start) &&
- (port + size) <= (res->end + 1))
- return (void __iomem *)(p->io_base + port);
- }
- return NULL;
- }
- #else
- static inline int __is_pci_memory(unsigned long phys_addr, unsigned long size)
- {
- return 0;
- }
- static inline void __iomem *__get_pci_io_base(unsigned long port,
- unsigned long size)
- {
- return NULL;
- }
- #endif
- /* Board-specific fixup routines. */
- void pcibios_fixup(void);
- int pcibios_init_platform(void);
- int pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin);
- #ifdef CONFIG_PCI_AUTO
- int pciauto_assign_resources(int busno, struct pci_channel *hose);
- #endif
- #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 */
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