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powerpc: Move isa bridge definitions to separate include 

We'll be adding non-PCI isa bridge support so let's not
have all the definition in pci-bridge.h

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Benjamin Herrenschmidt 2017-01-30 18:11:55 +11:00 committed by Michael Ellerman
parent b48ff52043
commit 38e9d36bc1
7 changed files with 33 additions and 18 deletions
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28
arch/powerpc/include/asm/isa-bridge.h Normal file
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@ -0,0 +1,28 @@
#ifndef __ISA_BRIDGE_H
#define __ISA_BRIDGE_H
#ifdef CONFIG_PPC64
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;
}
#else
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;
}
#endif
#endif /* __ISA_BRIDGE_H */

18
arch/powerpc/include/asm/pci-bridge.h
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@ -174,14 +174,6 @@ extern int pci_device_from_OF_node(struct device_node *node,
u8 *bus, u8 *devfn);
extern void pci_create_OF_bus_map(void);
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;
}
#else /* CONFIG_PPC64 */
/*
@ -269,16 +261,6 @@ extern void pci_hp_remove_devices(struct pci_bus *bus);
/** Discover new pci devices under this bus, and add them */
extern void pci_hp_add_devices(struct pci_bus *bus);
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);

1
arch/powerpc/kernel/iomap.c
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@ -8,6 +8,7 @@
#include <linux/export.h>
#include <asm/io.h>
#include <asm/pci-bridge.h>
#include <asm/isa-bridge.h>
/*
* Here comes the ppc64 implementation of the IOMAP

1
arch/powerpc/kernel/isa-bridge.c
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@ -29,6 +29,7 @@
#include <asm/pci-bridge.h>
#include <asm/machdep.h>
#include <asm/ppc-pci.h>
#include <asm/isa-bridge.h>
unsigned long isa_io_base; /* NULL if no ISA bus */
EXPORT_SYMBOL(isa_io_base);

1
arch/powerpc/platforms/maple/pci.c
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@ -24,6 +24,7 @@
#include <asm/machdep.h>
#include <asm/iommu.h>
#include <asm/ppc-pci.h>
#include <asm/isa-bridge.h>
#include "maple.h"

1
arch/powerpc/platforms/powernv/opal-lpc.c
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@ -23,6 +23,7 @@
#include <asm/prom.h>
#include <linux/uaccess.h>
#include <asm/debug.h>
#include <asm/isa-bridge.h>
static int opal_lpc_chip_id = -1;

1
arch/powerpc/platforms/pseries/setup.c
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@ -66,6 +66,7 @@
#include <asm/reg.h>
#include <asm/plpar_wrappers.h>
#include <asm/kexec.h>
#include <asm/isa-bridge.h>
#include "pseries.h"