diff options
| author | Peng Du <pdu@nvidia.com> | 2013-09-11 16:52:39 -0700 |
|---|---|---|
| committer | Tom Cherry <tcherry@nvidia.com> | 2014-01-21 15:13:59 -0800 |
| commit | 724578cd732335f2c6749429ea78cde09b8c0b4b (patch) | |
| tree | 1c6a2f45de0365e23d3353280b21eec68519e46b /arch/arm64/mm/ioremap.c | |
| parent | 54f6149ace88e73eeedcdfda7e62f01573d95066 (diff) | |
arm64: mm: ioremap support for PCI
Change-Id: I7d4af8b8a88eb663a0f5780a60bbf128df579517
Signed-off-by: Peng Du <pdu@nvidia.com>
Diffstat (limited to 'arch/arm64/mm/ioremap.c')
| -rw-r--r-- | arch/arm64/mm/ioremap.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm64/mm/ioremap.c b/arch/arm64/mm/ioremap.c index 1725cd6db37a..df749c958aa1 100644 --- a/arch/arm64/mm/ioremap.c +++ b/arch/arm64/mm/ioremap.c @@ -82,3 +82,16 @@ void __iounmap(volatile void __iomem *io_addr) vunmap(addr); } EXPORT_SYMBOL(__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_IOBASE + offset, + PCI_IOBASE + offset + SZ_64K, + phys_addr, + __pgprot(PROT_DEVICE_nGnRE)); +} +EXPORT_SYMBOL_GPL(pci_ioremap_io); +#endif |