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powerpc: Merge pci.h

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This involves some minor changes: a few unused functions that the
ppc32 pci.c provides are no longer declared here or exported;
pcibios_assign_all_busses now just refers to the pci_assign_all_buses
variable on both 32-bit and 64-bit; pcibios_scan_all_fns is now
just 0 instead of a function that always returns 0 on 64-bit.

Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Paul Mackerras 2005-11-19 20:46:04 +11:00
parent 047ea78465
commit f8ef270596
4 changed files with 83 additions and 50 deletions
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18
arch/powerpc/kernel/pci_64.c
View file

@ -40,7 +40,7 @@
#endif
unsigned long pci_probe_only = 1;
unsigned long pci_assign_all_buses = 0;
int pci_assign_all_buses = 0;
/*
* legal IO pages under MAX_ISA_PORT. This is to ensure we don't touch
@ -55,11 +55,6 @@ static void fixup_resource(struct resource *res, struct pci_dev *dev);
static void do_bus_setup(struct pci_bus *bus);
#endif
unsigned int pcibios_assign_all_busses(void)
{
return pci_assign_all_buses;
}
/* pci_io_base -- the base address from which io bars are offsets.
* This is the lowest I/O base address (so bar values are always positive),
* and it *must* be the start of ISA space if an ISA bus exists because
@ -1186,17 +1181,6 @@ void phbs_remap_io(void)
remap_bus_range(hose->bus);
}
/*
* ppc64 can have multifunction devices that do not respond to function 0.
* In this case we must scan all functions.
* XXX this can go now, we use the OF device tree in all the
* cases that caused problems. -- paulus
*/
int pcibios_scan_all_fns(struct pci_bus *bus, int devfn)
{
return 0;
}
static void __devinit fixup_resource(struct resource *res, struct pci_dev *dev)
{
struct pci_controller *hose = pci_bus_to_host(dev->bus);

3
arch/powerpc/kernel/ppc_ksyms.c
View file

@ -146,9 +146,6 @@ EXPORT_SYMBOL(pci_bus_io_base);
EXPORT_SYMBOL(pci_bus_io_base_phys);
EXPORT_SYMBOL(pci_bus_mem_base_phys);
EXPORT_SYMBOL(pci_bus_to_hose);
EXPORT_SYMBOL(pci_resource_to_bus);
EXPORT_SYMBOL(pci_phys_to_bus);
EXPORT_SYMBOL(pci_bus_to_phys);
#endif /* CONFIG_PCI */
#ifdef CONFIG_NOT_COHERENT_CACHE

110
include/asm-ppc64/pci.h → include/asm-powerpc/pci.h
View file

@ -1,5 +1,5 @@
#ifndef __PPC64_PCI_H
#define __PPC64_PCI_H
#ifndef __ASM_POWERPC_PCI_H
#define __ASM_POWERPC_PCI_H
#ifdef __KERNEL__
/*
@ -18,6 +18,7 @@
#include <asm/scatterlist.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/pci-bridge.h>
#include <asm-generic/pci-dma-compat.h>
@ -26,11 +27,21 @@
struct pci_dev;
#ifdef CONFIG_PPC_ISERIES
/* 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
*/
extern int pci_assign_all_buses;
#define pcibios_assign_all_busses() (pci_assign_all_buses)
#define pcibios_scan_all_fns(a, b) 0
#else
extern int pcibios_scan_all_fns(struct pci_bus *bus, int devfn);
#endif
static inline void pcibios_set_master(struct pci_dev *dev)
{
@ -50,6 +61,7 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
return channel ? 15 : 14;
}
#ifdef CONFIG_PPC64
#define HAVE_ARCH_PCI_MWI 1
static inline int pcibios_prep_mwi(struct pci_dev *dev)
{
@ -64,12 +76,10 @@ static inline int pcibios_prep_mwi(struct pci_dev *dev)
return 0;
}
extern unsigned int pcibios_assign_all_busses(void);
extern struct dma_mapping_ops pci_dma_ops;
/* For DAC DMA, we currently don't support it by default, but
* we let the platform override this
* we let 64-bit platforms override this.
*/
static inline int pci_dac_dma_supported(struct pci_dev *hwdev,u64 mask)
{
@ -102,6 +112,35 @@ 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);
#else /* 32-bit */
#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
/*
* At present there are very few 32-bit PPC machines that can have
* memory above the 4GB point, and we don't support that.
*/
#define pci_dac_dma_supported(pci_dev, mask) (0)
/* Return the index of the PCI controller for device PDEV. */
#define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index
/* Set the name of the bus as it appears in /proc/bus/pci */
static inline int pci_proc_domain(struct pci_bus *bus)
{
return 0;
}
#endif /* CONFIG_PPC64 */
struct vm_area_struct;
/* Map a range of PCI memory or I/O space for a device into user space */
int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
@ -110,6 +149,7 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
/* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
#define HAVE_PCI_MMAP 1
#ifdef CONFIG_PPC64
/* pci_unmap_{single,page} is not a nop, thus... */
#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
dma_addr_t ADDR_NAME;
@ -124,22 +164,40 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
(((PTR)->LEN_NAME) = (VAL))
/* The PCI address space does equal the physical memory
* address space. The networking and block device layers use
/* The PCI address space does not equal the physical memory address
* space (we have an IOMMU). The IDE and SCSI device layers use
* this boolean for bounce buffer decisions.
*/
#define PCI_DMA_BUS_IS_PHYS (0)
#else /* 32-bit */
/* The PCI address space does equal the physical memory
* address space (no IOMMU). The IDE and SCSI device layers use
* this boolean for bounce buffer decisions.
*/
#define PCI_DMA_BUS_IS_PHYS (1)
/* pci_unmap_{page,single} is a nop so... */
#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 /* CONFIG_PPC64 */
extern void
pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
extern void pcibios_resource_to_bus(struct pci_dev *dev,
struct pci_bus_region *region,
struct resource *res);
extern void
pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
extern void pcibios_bus_to_resource(struct pci_dev *dev,
struct resource *res,
struct pci_bus_region *region);
static inline struct resource *
pcibios_select_root(struct pci_dev *pdev, struct resource *res)
static inline struct resource *pcibios_select_root(struct pci_dev *pdev,
struct resource *res)
{
struct resource *root = NULL;
@ -151,14 +209,12 @@ pcibios_select_root(struct pci_dev *pdev, struct resource *res)
return root;
}
extern int
unmap_bus_range(struct pci_bus *bus);
extern int unmap_bus_range(struct pci_bus *bus);
extern int
remap_bus_range(struct pci_bus *bus);
extern int remap_bus_range(struct pci_bus *bus);
extern void
pcibios_fixup_device_resources(struct pci_dev *dev, struct pci_bus *bus);
extern void pcibios_fixup_device_resources(struct pci_dev *dev,
struct pci_bus *bus);
extern struct pci_controller *init_phb_dynamic(struct device_node *dn);
@ -180,14 +236,12 @@ extern pgprot_t pci_phys_mem_access_prot(struct file *file,
unsigned long size,
pgprot_t prot);
#ifdef CONFIG_PPC_MULTIPLATFORM
#if defined(CONFIG_PPC_MULTIPLATFORM) || defined(CONFIG_PPC32)
#define HAVE_ARCH_PCI_RESOURCE_TO_USER
extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
const struct resource *rsrc,
u64 *start, u64 *end);
#endif /* CONFIG_PPC_MULTIPLATFORM */
#endif /* CONFIG_PPC_MULTIPLATFORM || CONFIG_PPC32 */
#endif /* __KERNEL__ */
#endif /* __PPC64_PCI_H */
#endif /* __ASM_POWERPC_PCI_H */

2
include/asm-powerpc/ppc-pci.h
View file

@ -48,8 +48,6 @@ extern void pSeries_final_fixup(void);
extern void pSeries_irq_bus_setup(struct pci_bus *bus);
extern unsigned long pci_probe_only;
extern unsigned long pci_assign_all_buses;
extern int pci_read_irq_line(struct pci_dev *pci_dev);
/* ---- EEH internal-use-only related routines ---- */
#ifdef CONFIG_EEH