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| author | Mike Rapoport <mike@compulab.co.il> | 2010-09-27 11:26:33 +0200 |
|---|---|---|
| committer | Colin Cross <ccross@android.com> | 2010-10-21 18:13:02 -0700 |
| commit | 77ffc1465cec32489889d6bc9c288b7b0d2ce9fb (patch) | |
| tree | bb61f413ebaa2b4923e5af6ea633b112021276c6 /arch/arm/mach-tegra/include/mach/io.h | |
| parent | 8d685bc5e5cad76c05c9986c23a821c5bcef7c16 (diff) | |
| download | kernel_samsung_smdk4412-77ffc1465cec32489889d6bc9c288b7b0d2ce9fb.zip kernel_samsung_smdk4412-77ffc1465cec32489889d6bc9c288b7b0d2ce9fb.tar.gz kernel_samsung_smdk4412-77ffc1465cec32489889d6bc9c288b7b0d2ce9fb.tar.bz2 | |
tegra: add PCI Express support
Change-Id: Ibd0bcd46895eb88952b9db29e1f68572d39aae01
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Acked-by: Arnd Bergmann <arnd@arndb.de>
CC: Russell King <linux@arm.linux.org.uk>
CC: Gary King <GKing@nvidia.com>
Signed-off-by: Colin Cross <ccross@android.com>
Diffstat (limited to 'arch/arm/mach-tegra/include/mach/io.h')
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/io.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/include/mach/io.h b/arch/arm/mach-tegra/include/mach/io.h index 16f1618..f0981b1 100644 --- a/arch/arm/mach-tegra/include/mach/io.h +++ b/arch/arm/mach-tegra/include/mach/io.h @@ -21,7 +21,7 @@ #ifndef __MACH_TEGRA_IO_H #define __MACH_TEGRA_IO_H -#define IO_SPACE_LIMIT 0xffffffff +#define IO_SPACE_LIMIT 0xffff /* On TEGRA, many peripherals are very closely packed in * two 256MB io windows (that actually only use about 64KB @@ -73,10 +73,20 @@ void tegra_iounmap(volatile void __iomem *addr); #define IO_ADDRESS(n) ((void __iomem *) IO_TO_VIRT(n)) +#ifdef CONFIG_TEGRA_PCI +extern void __iomem *tegra_pcie_io_base; + +static inline void __iomem *__io(unsigned long addr) +{ + return tegra_pcie_io_base + (addr & IO_SPACE_LIMIT); +} +#else static inline void __iomem *__io(unsigned long addr) { return (void __iomem *)addr; } +#endif + #define __io(a) __io(a) #define __mem_pci(a) (a) |