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#ifndef __ASM_POWERPC_PCI_H #define __ASM_POWERPC_PCI_H #ifdef __KERNEL__ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #include <linux/types.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/dma-mapping.h> #include <linux/scatterlist.h> #include <asm/machdep.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/pci-bridge.h> /* Return values for pci_controller_ops.probe_mode function */ #define PCI_PROBE_NONE -1 /* Don't look at this bus at all */ #define PCI_PROBE_NORMAL 0 /* Do normal PCI probing */ #define PCI_PROBE_DEVTREE 1 /* Instantiate from device tree */ #define PCIBIOS_MIN_IO 0x1000 #define PCIBIOS_MIN_MEM 0x10000000 /* Values for the `which' argument to sys_pciconfig_iobase syscall. */ #define IOBASE_BRIDGE_NUMBER 0 #define IOBASE_MEMORY 1 #define IOBASE_IO 2 #define IOBASE_ISA_IO 3 #define IOBASE_ISA_MEM 4 /* * Set this to 1 if you want the kernel to re-assign all PCI * bus numbers (don't do that on ppc64 yet !) */ #define pcibios_assign_all_busses() \ (pci_has_flag(PCI_REASSIGN_ALL_BUS)) #define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { if (ppc_md.pci_get_legacy_ide_irq) return ppc_md.pci_get_legacy_ide_irq(dev, channel); return channel ? 15 : 14; } #ifdef CONFIG_PCI extern void set_pci_dma_ops(const struct dma_map_ops *dma_ops); extern const struct dma_map_ops *get_pci_dma_ops(void); #else /* CONFIG_PCI */ #define set_pci_dma_ops(d) #define get_pci_dma_ops() NULL #endif #ifdef CONFIG_PPC64 /* * We want to avoid touching the cacheline size or MWI bit. * pSeries firmware sets the cacheline size (which is not the cpu cacheline * size in all cases) and hardware treats MWI the same as memory write. */ #define PCI_DISABLE_MWI #endif /* CONFIG_PPC64 */ extern int pci_domain_nr(struct pci_bus *bus); /* Decide whether to display the domain number in /proc */ extern int pci_proc_domain(struct pci_bus *bus); struct vm_area_struct; /* Tell PCI code what kind of PCI resource mappings we support */ #define HAVE_PCI_MMAP 1 #define ARCH_GENERIC_PCI_MMAP_RESOURCE 1 #define arch_can_pci_mmap_io() 1 #define arch_can_pci_mmap_wc() 1 extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val, size_t count); extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val, size_t count); extern int pci_mmap_legacy_page_range(struct pci_bus *bus, struct vm_area_struct *vma, enum pci_mmap_state mmap_state); #define HAVE_PCI_LEGACY 1 extern void pcibios_claim_one_bus(struct pci_bus *b); extern void pcibios_finish_adding_to_bus(struct pci_bus *bus); extern void pcibios_resource_survey(void); extern struct pci_controller *init_phb_dynamic(struct device_node *dn); extern int remove_phb_dynamic(struct pci_controller *phb); extern struct pci_dev *of_create_pci_dev(struct device_node *node, struct pci_bus *bus, int devfn); extern unsigned int pci_parse_of_flags(u32 addr0, int bridge); extern void of_scan_pci_bridge(struct pci_dev *dev); extern void of_scan_bus(struct device_node *node, struct pci_bus *bus); extern void of_rescan_bus(struct device_node *node, struct pci_bus *bus); struct file; extern pgprot_t pci_phys_mem_access_prot(struct file *file, unsigned long pfn, unsigned long size, pgprot_t prot); #define HAVE_ARCH_PCI_RESOURCE_TO_USER extern resource_size_t pcibios_io_space_offset(struct pci_controller *hose); extern void pcibios_setup_bus_devices(struct pci_bus *bus); extern void pcibios_setup_bus_self(struct pci_bus *bus); extern void pcibios_setup_phb_io_space(struct pci_controller *hose); extern void pcibios_scan_phb(struct pci_controller *hose); #endif /* __KERNEL__ */ extern struct pci_dev *pnv_pci_get_gpu_dev(struct pci_dev *npdev); extern struct pci_dev *pnv_pci_get_npu_dev(struct pci_dev *gpdev, int index); extern int pnv_npu2_init(struct pci_controller *hose); extern int pnv_npu2_map_lpar_dev(struct pci_dev *gpdev, unsigned int lparid, unsigned long msr); #endif /* __ASM_POWERPC_PCI_H */
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