diff options
Diffstat (limited to 'arch/sparc64/kernel/pci_impl.h')
-rw-r--r-- | arch/sparc64/kernel/pci_impl.h | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/arch/sparc64/kernel/pci_impl.h b/arch/sparc64/kernel/pci_impl.h deleted file mode 100644 index 03186824327e..000000000000 --- a/arch/sparc64/kernel/pci_impl.h +++ /dev/null @@ -1,185 +0,0 @@ -/* pci_impl.h: Helper definitions for PCI controller support. - * - * Copyright (C) 1999, 2007 David S. Miller (davem@davemloft.net) - */ - -#ifndef PCI_IMPL_H -#define PCI_IMPL_H - -#include <linux/types.h> -#include <linux/spinlock.h> -#include <linux/pci.h> -#include <linux/msi.h> -#include <linux/of_device.h> -#include <asm/io.h> -#include <asm/prom.h> -#include <asm/iommu.h> - -/* The abstraction used here is that there are PCI controllers, - * each with one (Sabre) or two (PSYCHO/SCHIZO) PCI bus modules - * underneath. Each PCI bus module uses an IOMMU (shared by both - * PBMs of a controller, or per-PBM), and if a streaming buffer - * is present, each PCI bus module has it's own. (ie. the IOMMU - * might be shared between PBMs, the STC is never shared) - * Furthermore, each PCI bus module controls it's own autonomous - * PCI bus. - */ - -#define PCI_STC_FLUSHFLAG_INIT(STC) \ - (*((STC)->strbuf_flushflag) = 0UL) -#define PCI_STC_FLUSHFLAG_SET(STC) \ - (*((STC)->strbuf_flushflag) != 0UL) - -#ifdef CONFIG_PCI_MSI -struct pci_pbm_info; -struct sparc64_msiq_ops { - int (*get_head)(struct pci_pbm_info *pbm, unsigned long msiqid, - unsigned long *head); - int (*dequeue_msi)(struct pci_pbm_info *pbm, unsigned long msiqid, - unsigned long *head, unsigned long *msi); - int (*set_head)(struct pci_pbm_info *pbm, unsigned long msiqid, - unsigned long head); - int (*msi_setup)(struct pci_pbm_info *pbm, unsigned long msiqid, - unsigned long msi, int is_msi64); - int (*msi_teardown)(struct pci_pbm_info *pbm, unsigned long msi); - int (*msiq_alloc)(struct pci_pbm_info *pbm); - void (*msiq_free)(struct pci_pbm_info *pbm); - int (*msiq_build_irq)(struct pci_pbm_info *pbm, unsigned long msiqid, - unsigned long devino); -}; - -extern void sparc64_pbm_msi_init(struct pci_pbm_info *pbm, - const struct sparc64_msiq_ops *ops); - -struct sparc64_msiq_cookie { - struct pci_pbm_info *pbm; - unsigned long msiqid; -}; -#endif - -struct pci_pbm_info { - struct pci_pbm_info *next; - struct pci_pbm_info *sibling; - int index; - - /* Physical address base of controller registers. */ - unsigned long controller_regs; - - /* Physical address base of PBM registers. */ - unsigned long pbm_regs; - - /* Physical address of DMA sync register, if any. */ - unsigned long sync_reg; - - /* Opaque 32-bit system bus Port ID. */ - u32 portid; - - /* Opaque 32-bit handle used for hypervisor calls. */ - u32 devhandle; - - /* Chipset version information. */ - int chip_type; -#define PBM_CHIP_TYPE_SABRE 1 -#define PBM_CHIP_TYPE_PSYCHO 2 -#define PBM_CHIP_TYPE_SCHIZO 3 -#define PBM_CHIP_TYPE_SCHIZO_PLUS 4 -#define PBM_CHIP_TYPE_TOMATILLO 5 - int chip_version; - int chip_revision; - - /* Name used for top-level resources. */ - char *name; - - /* OBP specific information. */ - struct of_device *op; - u64 ino_bitmap; - - /* PBM I/O and Memory space resources. */ - struct resource io_space; - struct resource mem_space; - - /* Base of PCI Config space, can be per-PBM or shared. */ - unsigned long config_space; - - /* This will be 12 on PCI-E controllers, 8 elsewhere. */ - unsigned long config_space_reg_bits; - - unsigned long pci_afsr; - unsigned long pci_afar; - unsigned long pci_csr; - - /* State of 66MHz capabilities on this PBM. */ - int is_66mhz_capable; - int all_devs_66mhz; - -#ifdef CONFIG_PCI_MSI - /* MSI info. */ - u32 msiq_num; - u32 msiq_ent_count; - u32 msiq_first; - u32 msiq_first_devino; - u32 msiq_rotor; - struct sparc64_msiq_cookie *msiq_irq_cookies; - u32 msi_num; - u32 msi_first; - u32 msi_data_mask; - u32 msix_data_width; - u64 msi32_start; - u64 msi64_start; - u32 msi32_len; - u32 msi64_len; - void *msi_queues; - unsigned long *msi_bitmap; - unsigned int *msi_irq_table; - int (*setup_msi_irq)(unsigned int *virt_irq_p, struct pci_dev *pdev, - struct msi_desc *entry); - void (*teardown_msi_irq)(unsigned int virt_irq, struct pci_dev *pdev); - const struct sparc64_msiq_ops *msi_ops; -#endif /* !(CONFIG_PCI_MSI) */ - - /* This PBM's streaming buffer. */ - struct strbuf stc; - - /* IOMMU state, potentially shared by both PBM segments. */ - struct iommu *iommu; - - /* Now things for the actual PCI bus probes. */ - unsigned int pci_first_busno; - unsigned int pci_last_busno; - struct pci_bus *pci_bus; - struct pci_ops *pci_ops; - - int numa_node; -}; - -extern struct pci_pbm_info *pci_pbm_root; - -extern int pci_num_pbms; - -/* PCI bus scanning and fixup support. */ -extern void pci_get_pbm_props(struct pci_pbm_info *pbm); -extern struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm, - struct device *parent); -extern void pci_determine_mem_io_space(struct pci_pbm_info *pbm); - -/* Error reporting support. */ -extern void pci_scan_for_target_abort(struct pci_pbm_info *, struct pci_bus *); -extern void pci_scan_for_master_abort(struct pci_pbm_info *, struct pci_bus *); -extern void pci_scan_for_parity_error(struct pci_pbm_info *, struct pci_bus *); - -/* Configuration space access. */ -extern void pci_config_read8(u8 *addr, u8 *ret); -extern void pci_config_read16(u16 *addr, u16 *ret); -extern void pci_config_read32(u32 *addr, u32 *ret); -extern void pci_config_write8(u8 *addr, u8 val); -extern void pci_config_write16(u16 *addr, u16 val); -extern void pci_config_write32(u32 *addr, u32 val); - -extern struct pci_ops sun4u_pci_ops; -extern struct pci_ops sun4v_pci_ops; - -extern volatile int pci_poke_in_progress; -extern volatile int pci_poke_cpu; -extern volatile int pci_poke_faulted; - -#endif /* !(PCI_IMPL_H) */ |