diff options
Diffstat (limited to 'arch/arm/mm/ioremap.c')
| -rw-r--r-- | arch/arm/mm/ioremap.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index 566750fa57d..9d869f93a3d 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -36,6 +36,7 @@ #include <asm/system_info.h> #include <asm/mach/map.h> +#include <asm/mach/pci.h> #include "mm.h" int ioremap_page(unsigned long virt, unsigned long phys, @@ -383,3 +384,16 @@ void __arm_iounmap(volatile void __iomem *io_addr) arch_iounmap(io_addr); } EXPORT_SYMBOL(__arm_iounmap); + +#ifdef CONFIG_PCI +int pci_ioremap_io(unsigned int offset, phys_addr_t phys_addr) +{ + BUG_ON(offset + SZ_64K > IO_SPACE_LIMIT); + + return ioremap_page_range(PCI_IO_VIRT_BASE + offset, + PCI_IO_VIRT_BASE + offset + SZ_64K, + phys_addr, + __pgprot(get_mem_type(MT_DEVICE)->prot_pte)); +} +EXPORT_SYMBOL_GPL(pci_ioremap_io); +#endif |