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| author | Marc Gonzalez <marc_gonzalez@sigmadesigns.com> | 2017-06-20 11:17:40 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-07-07 21:41:28 +0300 |
| commit | 5e14e9fac308daf5607362f879e6de67e0b8dd5b (patch) | |
| tree | fc4b9d4e7185344265cba0f6aad01747cad8400c /drivers/pci/host/Kconfig | |
| parent | fdd620bd05e08572601bb89116727bb23cf7ce4e (diff) | |
| download | linux-5e14e9fac308daf5607362f879e6de67e0b8dd5b.tar.xz | |
PCI: tango: Add Sigma Designs Tango SMP8759 PCIe host bridge support
This driver is required to work around several hardware bugs in the PCIe
controller.
The SMP8759 does not support legacy interrupts or IO space.
Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
[bhelgaas: add CONFIG_BROKEN dependency, various cleanups]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/host/Kconfig')
| -rw-r--r-- | drivers/pci/host/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig index 7f47cd5e10a5..8e54115681d8 100644 --- a/drivers/pci/host/Kconfig +++ b/drivers/pci/host/Kconfig @@ -180,6 +180,20 @@ config PCIE_ROCKCHIP There is 1 internal PCIe port available to support GEN2 with 4 slots. +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" |