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pci: Add support for Designware IP block

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Add code needed to get a functional PCI subsytem when using in
conjunction with upstream Linux guest (4.13+). Tested to work against
"e1000e" (network adapter, using MSI interrupts) as well as
"usb-ehci" (USB controller, using legacy PCI interrupts).

Based on "i.MX6 Applications Processor Reference Manual" (Document
Number: IMX6DQRM Rev. 4) as well as corresponding dirver in Linux
kernel (circa 4.13 - 4.16 found in drivers/pci/dwc/*)

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Andrey Smirnov 2018-03-09 17:09:43 +00:00 • committed by Peter Maydell
parent 8f2ba1f278
commit d64e5eabc4
5 changed files with 861 additions and 0 deletions
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2
hw/pci-host/Makefile.objs
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@ -17,3 +17,5 @@ common-obj-$(CONFIG_PCI_PIIX) += piix.o
common-obj-$(CONFIG_PCI_Q35) += q35.o
common-obj-$(CONFIG_PCI_GENERIC) += gpex.o
common-obj-$(CONFIG_PCI_XILINX) += xilinx-pcie.o
common-obj-$(CONFIG_PCI_DESIGNWARE) += designware.o