summaryrefslogtreecommitdiff
path: root/include/asm-powerpc/pci-bridge.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-powerpc/pci-bridge.h')
-rw-r--r--include/asm-powerpc/pci-bridge.h302
1 files changed, 0 insertions, 302 deletions
diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h
deleted file mode 100644
index ae2ea803a0f2..000000000000
--- a/include/asm-powerpc/pci-bridge.h
+++ /dev/null
@@ -1,302 +0,0 @@
-#ifndef _ASM_POWERPC_PCI_BRIDGE_H
-#define _ASM_POWERPC_PCI_BRIDGE_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/pci.h>
-#include <linux/list.h>
-#include <linux/ioport.h>
-
-struct device_node;
-
-extern unsigned int ppc_pci_flags;
-enum {
- /* Force re-assigning all resources (ignore firmware
- * setup completely)
- */
- PPC_PCI_REASSIGN_ALL_RSRC = 0x00000001,
-
- /* Re-assign all bus numbers */
- PPC_PCI_REASSIGN_ALL_BUS = 0x00000002,
-
- /* Do not try to assign, just use existing setup */
- PPC_PCI_PROBE_ONLY = 0x00000004,
-
- /* Don't bother with ISA alignment unless the bridge has
- * ISA forwarding enabled
- */
- PPC_PCI_CAN_SKIP_ISA_ALIGN = 0x00000008,
-
- /* Enable domain numbers in /proc */
- PPC_PCI_ENABLE_PROC_DOMAINS = 0x00000010,
- /* ... except for domain 0 */
- PPC_PCI_COMPAT_DOMAIN_0 = 0x00000020,
-};
-
-
-/*
- * Structure of a PCI controller (host bridge)
- */
-struct pci_controller {
- struct pci_bus *bus;
- char is_dynamic;
-#ifdef CONFIG_PPC64
- int node;
-#endif
- struct device_node *dn;
- struct list_head list_node;
- struct device *parent;
-
- int first_busno;
- int last_busno;
-#ifndef CONFIG_PPC64
- int self_busno;
-#endif
-
- void __iomem *io_base_virt;
-#ifdef CONFIG_PPC64
- void *io_base_alloc;
-#endif
- resource_size_t io_base_phys;
-#ifndef CONFIG_PPC64
- resource_size_t pci_io_size;
-#endif
-
- /* Some machines (PReP) have a non 1:1 mapping of
- * the PCI memory space in the CPU bus space
- */
- resource_size_t pci_mem_offset;
-#ifdef CONFIG_PPC64
- unsigned long pci_io_size;
-#endif
-
- struct pci_ops *ops;
- unsigned int __iomem *cfg_addr;
- void __iomem *cfg_data;
-
-#ifndef CONFIG_PPC64
- /*
- * Used for variants of PCI indirect handling and possible quirks:
- * SET_CFG_TYPE - used on 4xx or any PHB that does explicit type0/1
- * EXT_REG - provides access to PCI-e extended registers
- * SURPRESS_PRIMARY_BUS - we surpress the setting of PCI_PRIMARY_BUS
- * on Freescale PCI-e controllers since they used the PCI_PRIMARY_BUS
- * to determine which bus number to match on when generating type0
- * config cycles
- * NO_PCIE_LINK - the Freescale PCI-e controllers have issues with
- * hanging if we don't have link and try to do config cycles to
- * anything but the PHB. Only allow talking to the PHB if this is
- * set.
- * BIG_ENDIAN - cfg_addr is a big endian register
- * BROKEN_MRM - the 440EPx/GRx chips have an errata that causes hangs on
- * the PLB4. Effectively disable MRM commands by setting this.
- */
-#define PPC_INDIRECT_TYPE_SET_CFG_TYPE 0x00000001
-#define PPC_INDIRECT_TYPE_EXT_REG 0x00000002
-#define PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS 0x00000004
-#define PPC_INDIRECT_TYPE_NO_PCIE_LINK 0x00000008
-#define PPC_INDIRECT_TYPE_BIG_ENDIAN 0x00000010
-#define PPC_INDIRECT_TYPE_BROKEN_MRM 0x00000020
- u32 indirect_type;
-#endif /* !CONFIG_PPC64 */
- /* Currently, we limit ourselves to 1 IO range and 3 mem
- * ranges since the common pci_bus structure can't handle more
- */
- struct resource io_resource;
- struct resource mem_resources[3];
- int global_number; /* PCI domain number */
-#ifdef CONFIG_PPC64
- unsigned long buid;
- unsigned long dma_window_base_cur;
- unsigned long dma_window_size;
-
- void *private_data;
-#endif /* CONFIG_PPC64 */
-};
-
-#ifndef CONFIG_PPC64
-
-static inline struct pci_controller *pci_bus_to_host(const struct pci_bus *bus)
-{
- return bus->sysdata;
-}
-
-static inline int isa_vaddr_is_ioport(void __iomem *address)
-{
- /* No specific ISA handling on ppc32 at this stage, it
- * all goes through PCI
- */
- return 0;
-}
-
-/* These are used for config access before all the PCI probing
- has been done. */
-extern int early_read_config_byte(struct pci_controller *hose, int bus,
- int dev_fn, int where, u8 *val);
-extern int early_read_config_word(struct pci_controller *hose, int bus,
- int dev_fn, int where, u16 *val);
-extern int early_read_config_dword(struct pci_controller *hose, int bus,
- int dev_fn, int where, u32 *val);
-extern int early_write_config_byte(struct pci_controller *hose, int bus,
- int dev_fn, int where, u8 val);
-extern int early_write_config_word(struct pci_controller *hose, int bus,
- int dev_fn, int where, u16 val);
-extern int early_write_config_dword(struct pci_controller *hose, int bus,
- int dev_fn, int where, u32 val);
-
-extern int early_find_capability(struct pci_controller *hose, int bus,
- int dev_fn, int cap);
-
-extern void setup_indirect_pci(struct pci_controller* hose,
- resource_size_t cfg_addr,
- resource_size_t cfg_data, u32 flags);
-extern void setup_grackle(struct pci_controller *hose);
-#else /* CONFIG_PPC64 */
-
-/*
- * PCI stuff, for nodes representing PCI devices, pointed to
- * by device_node->data.
- */
-struct iommu_table;
-
-struct pci_dn {
- int busno; /* pci bus number */
- int devfn; /* pci device and function number */
-
- struct pci_controller *phb; /* for pci devices */
- struct iommu_table *iommu_table; /* for phb's or bridges */
- struct device_node *node; /* back-pointer to the device_node */
-
- int pci_ext_config_space; /* for pci devices */
-
-#ifdef CONFIG_EEH
- struct pci_dev *pcidev; /* back-pointer to the pci device */
- int class_code; /* pci device class */
- int eeh_mode; /* See eeh.h for possible EEH_MODEs */
- int eeh_config_addr;
- int eeh_pe_config_addr; /* new-style partition endpoint address */
- int eeh_check_count; /* # times driver ignored error */
- int eeh_freeze_count; /* # times this device froze up. */
- int eeh_false_positives; /* # times this device reported #ff's */
- u32 config_space[16]; /* saved PCI config space */
-#endif
-};
-
-/* Get the pointer to a device_node's pci_dn */
-#define PCI_DN(dn) ((struct pci_dn *) (dn)->data)
-
-extern struct device_node *fetch_dev_dn(struct pci_dev *dev);
-
-/* Get a device_node from a pci_dev. This code must be fast except
- * in the case where the sysdata is incorrect and needs to be fixed
- * up (this will only happen once).
- * In this case the sysdata will have been inherited from a PCI host
- * bridge or a PCI-PCI bridge further up the tree, so it will point
- * to a valid struct pci_dn, just not the one we want.
- */
-static inline struct device_node *pci_device_to_OF_node(struct pci_dev *dev)
-{
- struct device_node *dn = dev->sysdata;
- struct pci_dn *pdn = dn->data;
-
- if (pdn && pdn->devfn == dev->devfn && pdn->busno == dev->bus->number)
- return dn; /* fast path. sysdata is good */
- return fetch_dev_dn(dev);
-}
-
-static inline int pci_device_from_OF_node(struct device_node *np,
- u8 *bus, u8 *devfn)
-{
- if (!PCI_DN(np))
- return -ENODEV;
- *bus = PCI_DN(np)->busno;
- *devfn = PCI_DN(np)->devfn;
- return 0;
-}
-
-static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus)
-{
- if (bus->self)
- return pci_device_to_OF_node(bus->self);
- else
- return bus->sysdata; /* Must be root bus (PHB) */
-}
-
-/** Find the bus corresponding to the indicated device node */
-extern struct pci_bus *pcibios_find_pci_bus(struct device_node *dn);
-
-/** Remove all of the PCI devices under this bus */
-extern void pcibios_remove_pci_devices(struct pci_bus *bus);
-
-/** Discover new pci devices under this bus, and add them */
-extern void pcibios_add_pci_devices(struct pci_bus *bus);
-extern void pcibios_fixup_new_pci_devices(struct pci_bus *bus);
-
-extern int pcibios_remove_root_bus(struct pci_controller *phb);
-
-static inline struct pci_controller *pci_bus_to_host(const struct pci_bus *bus)
-{
- struct device_node *busdn = bus->sysdata;
-
- BUG_ON(busdn == NULL);
- return PCI_DN(busdn)->phb;
-}
-
-
-extern void isa_bridge_find_early(struct pci_controller *hose);
-
-static inline int isa_vaddr_is_ioport(void __iomem *address)
-{
- /* Check if address hits the reserved legacy IO range */
- unsigned long ea = (unsigned long)address;
- return ea >= ISA_IO_BASE && ea < ISA_IO_END;
-}
-
-extern int pcibios_unmap_io_space(struct pci_bus *bus);
-extern int pcibios_map_io_space(struct pci_bus *bus);
-
-/* Return values for ppc_md.pci_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 */
-
-#ifdef CONFIG_NUMA
-#define PHB_SET_NODE(PHB, NODE) ((PHB)->node = (NODE))
-#else
-#define PHB_SET_NODE(PHB, NODE) ((PHB)->node = -1)
-#endif
-
-#endif /* CONFIG_PPC64 */
-
-/* Get the PCI host controller for an OF device */
-extern struct pci_controller *pci_find_hose_for_OF_device(
- struct device_node* node);
-
-/* Fill up host controller resources from the OF node */
-extern void pci_process_bridge_OF_ranges(struct pci_controller *hose,
- struct device_node *dev, int primary);
-
-/* Allocate & free a PCI host bridge structure */
-extern struct pci_controller *pcibios_alloc_controller(struct device_node *dev);
-extern void pcibios_free_controller(struct pci_controller *phb);
-
-#ifdef CONFIG_PCI
-extern unsigned long pci_address_to_pio(phys_addr_t address);
-extern int pcibios_vaddr_is_ioport(void __iomem *address);
-#else
-static inline unsigned long pci_address_to_pio(phys_addr_t address)
-{
- return (unsigned long)-1;
-}
-static inline int pcibios_vaddr_is_ioport(void __iomem *address)
-{
- return 0;
-}
-#endif /* CONFIG_PCI */
-
-#endif /* __KERNEL__ */
-#endif /* _ASM_POWERPC_PCI_BRIDGE_H */