diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-4.3/145-PCI-iproc-Update-PCIe-device-tree-bindings.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-4.3/145-PCI-iproc-Update-PCIe-device-tree-bindings.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-4.3/145-PCI-iproc-Update-PCIe-device-tree-bindings.patch b/target/linux/bcm53xx/patches-4.3/145-PCI-iproc-Update-PCIe-device-tree-bindings.patch new file mode 100644 index 0000000000..eb5bb64bba --- /dev/null +++ b/target/linux/bcm53xx/patches-4.3/145-PCI-iproc-Update-PCIe-device-tree-bindings.patch @@ -0,0 +1,50 @@ +From 8d0afa1a93be2da954c85392bbc7b2264c9d241c Mon Sep 17 00:00:00 2001 +From: Ray Jui <rjui@broadcom.com> +Date: Tue, 15 Sep 2015 17:39:20 -0700 +Subject: [PATCH 145/147] PCI: iproc: Update PCIe device tree bindings + +Update the device tree bindings with added support for outbound mapping +configurations. + +Signed-off-by: Ray Jui <rjui@broadcom.com> +Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> +--- + .../devicetree/bindings/pci/brcm,iproc-pcie.txt | 20 ++++++++++++++++++++ + 1 file changed, 20 insertions(+) + +--- a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt ++++ b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt +@@ -17,6 +17,21 @@ Optional properties: + - phys: phandle of the PCIe PHY device + - phy-names: must be "pcie-phy" + ++- brcm,pcie-ob: Some iProc SoCs do not have the outbound address mapping done ++by the ASIC after power on reset. In this case, SW needs to configure it ++ ++If the brcm,pcie-ob property is present, the following properties become ++effective: ++ ++Required: ++- brcm,pcie-ob-axi-offset: The offset from the AXI address to the internal ++address used by the iProc PCIe core (not the PCIe address) ++- brcm,pcie-ob-window-size: The outbound address mapping window size (in MB) ++ ++Optional: ++- brcm,pcie-ob-oarr-size: Some iProc SoCs need the OARR size bit to be set to ++increase the outbound window size ++ + Example: + pcie0: pcie@18012000 { + compatible = "brcm,iproc-pcie"; +@@ -38,6 +53,11 @@ Example: + + phys = <&phy 0 5>; + phy-names = "pcie-phy"; ++ ++ brcm,pcie-ob; ++ brcm,pcie-ob-oarr-size; ++ brcm,pcie-ob-axi-offset = <0x00000000>; ++ brcm,pcie-ob-window-size = <256>; + }; + + pcie1: pcie@18013000 { |