#ifndef __ASM_SH64_PCI_H #define __ASM_SH64_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 /* * These are currently the correct values for the STM overdrive board * We need some way of setting this on a board specific way, it will * not be the same on other boards I think */ #if defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103) #define PCIBIOS_MIN_IO 0x2000 #define PCIBIOS_MIN_MEM 0x40000000 #endif extern void pcibios_set_master(struct pci_dev *dev); /* * Set penalize isa irq function */ 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) ((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_SH64_PCI_H */