NTB: Add support for AMD PCI-Express Non-Transparent Bridge (a1b36958) · Commits · 戴 / test

This adds support for AMD's PCI-Express Non-Transparent Bridge (NTB) device on the Zeppelin platform. The driver connnects to the standard NTB sub-system interface, with modification to add hooks for power management in a separate patch. The AMD NTB device has 3 memory windows, 16 doorbell, 16 scratch-pad registers, and supports up to 16 PCIe lanes running a Gen3 speeds. Signed-off-by:

Xiangliang Yu <Xiangliang.Yu@amd.com> Reviewed-by:

Allen Hubbe <Allen.Hubbe@emc.com> Signed-off-by:

Jon Mason <jdmason@kudzu.us>

MAINTAINERS

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Original line number	Diff line number	Diff line
		@@ -7586,6 +7586,12 @@ W: https://github.com/jonmason/ntb/wiki
		T: git git://github.com/jonmason/ntb.git
		F: drivers/ntb/hw/intel/

		NTB AMD DRIVER
		M: Xiangliang Yu <Xiangliang.Yu@amd.com>
		L: linux-ntb@googlegroups.com
		S: Supported
		F: drivers/ntb/hw/amd/

		NTFS FILESYSTEM
		M: Anton Altaparmakov <anton@tuxera.com>
		L: linux-ntfs-dev@lists.sourceforge.net

drivers/ntb/hw/Kconfig

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		source "drivers/ntb/hw/amd/Kconfig"
		source "drivers/ntb/hw/intel/Kconfig"

drivers/ntb/hw/Makefile

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		obj-$(CONFIG_NTB_AMD) += amd/
		obj-$(CONFIG_NTB_INTEL) += intel/

drivers/ntb/hw/amd/Kconfig

0 → 100644

+7 −0

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		config NTB_AMD
		tristate "AMD Non-Transparent Bridge support"
		depends on X86_64
		help
		This driver supports AMD NTB on capable Zeppelin hardware.

		If unsure, say N.

drivers/ntb/hw/amd/Makefile

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		obj-$(CONFIG_NTB_AMD) += ntb_hw_amd.o

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