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x86, platform: Initial support for sta2x11 I/O hub
The "ConneXt" sta2x11 I/O Hub is a bridge from PCIe to AMBA, and is used as main chipset in some Atom boards. The set of peripherals it exports live in an AMBA bus internal to the chip, so a custom remapping of addresses is needed. This is implemented by fixup calls for the PCI deivices, based on CONFIG_X86_DEV_DMA_OPS and CONFIG_X86_DMA_REMAP . Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Link: http://lkml.kernel.org/r/ddca670ca8180e52d49b3fe642742ddd23ab2cb2.1333560789.git.rubini@gnudd.com Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Alessandro Rubini
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H. Peter Anvin
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Apr 12, 2012
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