You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
1.6 KiB
Diff
51 lines
1.6 KiB
Diff
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 {
|