From 38e9d36bc149932964dcd25818c7f7283239592d Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Mon, 30 Jan 2017 18:11:55 +1100 Subject: 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 Signed-off-by: Michael Ellerman --- arch/powerpc/include/asm/isa-bridge.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 arch/powerpc/include/asm/isa-bridge.h (limited to 'arch/powerpc/include/asm/isa-bridge.h') diff --git a/arch/powerpc/include/asm/isa-bridge.h b/arch/powerpc/include/asm/isa-bridge.h new file mode 100644 index 000000000000..94d9c1c9706d --- /dev/null +++ b/arch/powerpc/include/asm/isa-bridge.h @@ -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 */ + -- cgit v1.2.3-59-g8ed1b