MT7623 series SoCs. There is one single root complex with 3 root
ports available. Each port supports Gen2 lane x1.
+config PCIE_TANGO_SMP8759
+ bool "Tango SMP8759 PCIe controller (DANGEROUS)"
+ depends on ARCH_TANGO && PCI_MSI && OF
+ depends on BROKEN
+ select PCI_HOST_COMMON
+ help
+ Say Y here to enable PCIe controller support for Sigma Designs
+ Tango SMP8759-based systems.
+
+ Note: The SMP8759 controller multiplexes PCI config and MMIO
+ accesses, and Linux doesn't provide a way to serialize them.
+ This can lead to data corruption if drivers perform concurrent
+ config and MMIO accesses.
+
config VMD
depends on PCI_MSI && X86_64 && SRCU
tristate "Intel Volume Management Device Driver"