diff options
Diffstat (limited to 'arch/mips/include/asm/pci.h')
| -rw-r--r-- | arch/mips/include/asm/pci.h | 107 |
1 files changed, 47 insertions, 60 deletions
diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h index fa8e0aa250ca..d993df6302dc 100644 --- a/arch/mips/include/asm/pci.h +++ b/arch/mips/include/asm/pci.h @@ -17,15 +17,18 @@ */ #include <linux/ioport.h> +#include <linux/list.h> #include <linux/of.h> +#ifdef CONFIG_PCI_DRIVERS_LEGACY + /* - * Each pci channel is a top-level PCI bus seem by CPU. A machine with + * Each PCI channel is a top-level PCI bus seem by CPU. A machine with * multiple PCI channels may have multiple PCI host controllers or a * single controller supporting multiple channels. */ struct pci_controller { - struct pci_controller *next; + struct list_head list; struct pci_bus *bus; struct device_node *of_node; @@ -36,12 +39,12 @@ struct pci_controller { unsigned long io_offset; unsigned long io_map_base; +#ifndef CONFIG_PCI_DOMAINS_GENERIC unsigned int index; /* For compatibility with current (as of July 2003) pciutils and XFree86. Eventually will be removed. */ unsigned int need_domain_info; - - int iommu; +#endif /* Optional access methods for reading/writing the bus number of the PCI controller */ @@ -59,29 +62,51 @@ extern void register_pci_controller(struct pci_controller *hose); */ extern int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); +/* Do platform specific device initialization at pci_enable_device() time */ +extern int pcibios_plat_dev_init(struct pci_dev *dev); + +extern char * (*pcibios_plat_setup)(char *str); + +#ifdef CONFIG_OF +/* this function parses memory ranges from a device node */ +extern void pci_load_of_ranges(struct pci_controller *hose, + struct device_node *node); +#else +static inline void pci_load_of_ranges(struct pci_controller *hose, + struct device_node *node) {} +#endif + +#ifdef CONFIG_PCI_DOMAINS_GENERIC +static inline void set_pci_need_domain_info(struct pci_controller *hose, + int need_domain_info) +{ + /* nothing to do */ +} +#elif defined(CONFIG_PCI_DOMAINS) +static inline void set_pci_need_domain_info(struct pci_controller *hose, + int need_domain_info) +{ + hose->need_domain_info = need_domain_info; +} +#endif /* CONFIG_PCI_DOMAINS */ + +#endif /* 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 */ - -extern unsigned int pcibios_assign_all_busses(void); +static inline unsigned int pcibios_assign_all_busses(void) +{ + return 1; +} extern unsigned long PCIBIOS_MIN_IO; extern unsigned long PCIBIOS_MIN_MEM; #define PCIBIOS_MIN_CARDBUS_IO 0x4000 -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 */ -} - #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); +#define ARCH_GENERIC_PCI_MMAP_RESOURCE /* * Dynamic DMA mapping stuff. @@ -90,30 +115,16 @@ extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, #include <linux/types.h> #include <linux/slab.h> -#include <asm/scatterlist.h> +#include <linux/scatterlist.h> #include <linux/string.h> #include <asm/io.h> -#include <asm-generic/pci-bridge.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. This is set if any hose does not have an IOMMU. - */ -extern unsigned int PCI_DMA_BUS_IS_PHYS; -#ifdef CONFIG_PCI -static inline void pci_dma_burst_advice(struct pci_dev *pdev, - enum pci_dma_burst_strategy *strat, - unsigned long *strategy_parameter) +#ifdef CONFIG_PCI_DOMAINS_GENERIC +static inline int pci_proc_domain(struct pci_bus *bus) { - *strat = PCI_DMA_BURST_INFINITY; - *strategy_parameter = ~0UL; + return pci_domain_nr(bus); } -#endif - +#elif defined(CONFIG_PCI_DOMAINS) #define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index static inline int pci_proc_domain(struct pci_bus *bus) @@ -121,35 +132,11 @@ static inline int pci_proc_domain(struct pci_bus *bus) struct pci_controller *hose = bus->sysdata; return hose->need_domain_info; } +#endif /* CONFIG_PCI_DOMAINS */ #endif /* __KERNEL__ */ -/* implement the pci_ DMA API in terms of the generic device dma_ one */ -#include <asm-generic/pci-dma-compat.h> - /* Do platform specific device initialization at pci_enable_device() time */ extern int pcibios_plat_dev_init(struct pci_dev *dev); -/* Chances are this interrupt is wired PC-style ... */ -static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) -{ - return channel ? 15 : 14; -} - -#ifdef CONFIG_CPU_CAVIUM_OCTEON -/* MSI arch hook for OCTEON */ -#define arch_setup_msi_irqs arch_setup_msi_irqs -#endif - -extern char * (*pcibios_plat_setup)(char *str); - -#ifdef CONFIG_OF -/* this function parses memory ranges from a device node */ -extern void pci_load_of_ranges(struct pci_controller *hose, - struct device_node *node); -#else -static inline void pci_load_of_ranges(struct pci_controller *hose, - struct device_node *node) {} -#endif - #endif /* _ASM_PCI_H */ |