summaryrefslogtreecommitdiffstats
path: root/arch/arm/include/asm/io.h
diff options
context:
space:
mode:
authorLiviu Dudau <Liviu.Dudau@arm.com>2014-09-29 16:29:22 +0200
committerBjorn Helgaas <bhelgaas@google.com>2014-09-30 21:19:44 +0200
commitdad13e3c08e7005854271e562eda4ffa5c71bc38 (patch)
tree04322137454672721c89e179fef08b65fd8eda42 /arch/arm/include/asm/io.h
parentof/pci: Add pci_register_io_range() and pci_pio_to_address() (diff)
downloadlinux-dad13e3c08e7005854271e562eda4ffa5c71bc38.tar.xz
linux-dad13e3c08e7005854271e562eda4ffa5c71bc38.zip
ARM: Define PCI_IOBASE as the base of virtual PCI IO space
This is needed for calls into OF code that parses PCI ranges. It signals support for memory mapped PCI I/O accesses that are described by device trees. Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> CC: Russell King <linux@arm.linux.org.uk> CC: Rob Herring <robh+dt@kernel.org>
Diffstat (limited to 'arch/arm/include/asm/io.h')
-rw-r--r--arch/arm/include/asm/io.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 3d23418cbddd..180567408ee8 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -178,6 +178,7 @@ static inline void __iomem *__typesafe_io(unsigned long addr)
/* PCI fixed i/o mapping */
#define PCI_IO_VIRT_BASE 0xfee00000
+#define PCI_IOBASE ((void __iomem *)PCI_IO_VIRT_BASE)
#if defined(CONFIG_PCI)
void pci_ioremap_set_mem_type(int mem_type);