[PATCH v9] arm64: Add architectural support for PCIe

Catalin Marinas
2014-08-18T14:26:48Z

On Tue, Aug 12, 2014 at 05:26:00PM +0100, Liviu Dudau wrote:
> diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
> index e0ecdcf..dc34039 100644
> --- a/arch/arm64/include/asm/io.h
> +++ b/arch/arm64/include/asm/io.h
> @@ -121,7 +121,8 @@ static inline u64 __raw_readq(const volatile void __iomem *addr)
> /*
> * I/O port access primitives.
> */
> -#define IO_SPACE_LIMIT 0xffff
> +#define arch_has_dev_port() (1)
> +#define IO_SPACE_LIMIT 0x1ffffff

Minor thing, (SZ_32M - 1) may be easier in case we ever change this.

> #define PCI_IOBASE ((void __iomem *)(MODULES_VADDR - SZ_32M))

--
Catalin