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[v13,03/12] ARM: Define PCI_IOBASE as the base of virtual PCI IO space

Message ID 1412000971-9242-4-git-send-email-Liviu.Dudau@arm.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Liviu Dudau Sept. 29, 2014, 2:29 p.m. UTC 
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>
---
 arch/arm/include/asm/io.h | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 3d23418..1805674 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);