This patch series adds support for configuring the DesignWare IP's ATU region for prefetchable memory translations. It first starts by flagging a warning if the size of non-prefetchable aperture goes beyond 32-bit as PCIe spec doesn't allow it. And then adds required support for programming the ATU to handle higher (i.e. >4GB) sizes.
V2: * Dropped third patch from the series as Rob's patch (commit: 9fff3256f93d PCI: dwc: Restore ATU memory resource setup to use last entry) is already accepted * Rebased first two patches on top of Rob's latest patch http://patchwork.ozlabs.org/project/linux-pci/patch/20201026181652.418729-1-r...@kernel.org/ Vidya Sagar (2): PCI: of: Warn if non-prefetchable memory aperture size is > 32-bit PCI: dwc: Add support to program ATU for >4GB memory drivers/pci/controller/dwc/pcie-designware.c | 12 +++++++----- drivers/pci/controller/dwc/pcie-designware.h | 3 ++- drivers/pci/of.c | 5 +++++ 3 files changed, 14 insertions(+), 6 deletions(-) -- 2.17.1
