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Message-Id: <20211209204726.6676-3-jim2101024@gmail.com>
Date: Thu, 9 Dec 2021 15:47:23 -0500
From: Jim Quinlan <jim2101024@...il.com>
To: linux-pci@...r.kernel.org, linux-mips@...r.kernel.org,
Nicolas Saenz Julienne <nsaenz@...nel.org>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Kevin Cernekee <cernekee@...il.com>,
bcm-kernel-feedback-list@...adcom.com, jim2101024@...il.com,
james.quinlan@...adcom.com
Cc: Florian Fainelli <f.fainelli@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
DEVICE TREE BINDINGS), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v1 2/4] MIPS: bmips: Add support PCIe controller device nodes
For Broadcom STB PCIe HW. The 7425 and 7435 are MIPs-based SOCs. Not much
difference between the two for the DT properties except that they have
slightly different PCIe interrupt assignments.
Signed-off-by: Jim Quinlan <jim2101024@...il.com>
---
arch/mips/boot/dts/brcm/bcm7425.dtsi | 30 ++++++++++++++++++++++++
arch/mips/boot/dts/brcm/bcm7435.dtsi | 30 ++++++++++++++++++++++++
arch/mips/boot/dts/brcm/bcm97425svmb.dts | 9 +++++++
arch/mips/boot/dts/brcm/bcm97435svmb.dts | 9 +++++++
4 files changed, 78 insertions(+)
diff --git a/arch/mips/boot/dts/brcm/bcm7425.dtsi b/arch/mips/boot/dts/brcm/bcm7425.dtsi
index aa0b2d39c902..62588c53d356 100644
--- a/arch/mips/boot/dts/brcm/bcm7425.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7425.dtsi
@@ -584,4 +584,34 @@
};
};
};
+
+ pcie_0: pcie@...0000 {
+ status = "disabled";
+ compatible = "brcm,bcm7425-pcie";
+
+ ranges = <0x02000000 0x0 0xd0000000 0xd0000000 0x0 0x08000000
+ 0x02000000 0x0 0xd8000000 0xd8000000 0x0 0x08000000
+ 0x02000000 0x0 0xe0000000 0xe0000000 0x0 0x08000000
+ 0x02000000 0x0 0xe8000000 0xe8000000 0x0 0x08000000>;
+
+ reg = <0x10410000 0x19310>;
+ aspm-no-l0s;
+ device_type = "pci";
+ msi-controller;
+ msi-parent = <&pcie_0>;
+ #address-cells = <0x3>;
+ #size-cells = <0x2>;
+ bus-range = <0x0 0xff>;
+ interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+ linux,pci-domain = <0x0>;
+
+ interrupt-parent = <&periph_intc>;
+ interrupts = <37>, <37>;
+ interrupt-names = "pcie", "msi";
+ #interrupt-cells = <0x1>;
+ interrupt-map = <0 0 0 1 &periph_intc 0x21
+ 0 0 0 1 &periph_intc 0x22
+ 0 0 0 1 &periph_intc 0x23
+ 0 0 0 1 &periph_intc 0x24>;
+ };
};
diff --git a/arch/mips/boot/dts/brcm/bcm7435.dtsi b/arch/mips/boot/dts/brcm/bcm7435.dtsi
index 8398b7f68bf4..8c001b944c8b 100644
--- a/arch/mips/boot/dts/brcm/bcm7435.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7435.dtsi
@@ -599,4 +599,34 @@
};
};
};
+
+ pcie_0: pcie@...0000 {
+ status = "disabled";
+ compatible = "brcm,bcm7435-pcie";
+
+ ranges = <0x02000000 0x0 0xd0000000 0xd0000000 0x0 0x08000000
+ 0x02000000 0x0 0xd8000000 0xd8000000 0x0 0x08000000
+ 0x02000000 0x0 0xe0000000 0xe0000000 0x0 0x08000000
+ 0x02000000 0x0 0xe8000000 0xe8000000 0x0 0x08000000>;
+
+ reg = <0x10410000 0x19310>;
+ aspm-no-l0s;
+ device_type = "pci";
+ msi-controller;
+ msi-parent = <&pcie_0>;
+ #address-cells = <0x3>;
+ #size-cells = <0x2>;
+ bus-range = <0x0 0xff>;
+ interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+ linux,pci-domain = <0x0>;
+
+ interrupt-parent = <&periph_intc>;
+ interrupts = <39>, <39>;
+ interrupt-names = "pcie", "msi";
+ #interrupt-cells = <0x1>;
+ interrupt-map = <0 0 0 1 &periph_intc 0x23
+ 0 0 0 1 &periph_intc 0x24
+ 0 0 0 1 &periph_intc 0x25
+ 0 0 0 1 &periph_intc 0x26>;
+ };
};
diff --git a/arch/mips/boot/dts/brcm/bcm97425svmb.dts b/arch/mips/boot/dts/brcm/bcm97425svmb.dts
index 9efecfe1e05c..f38934934349 100644
--- a/arch/mips/boot/dts/brcm/bcm97425svmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97425svmb.dts
@@ -152,3 +152,12 @@
&waketimer {
status = "okay";
};
+
+&pcie_0 {
+ status = "okay";
+ /* 1GB Memc0, 1GB Memc1 */
+ brcm,scb-sizes = <0 0x40000000 0 0x40000000>;
+ dma-ranges = <0x43000000 0x00000000 0x00000000 0x00000000 0x0 0x10000000
+ 0x43000000 0x00000000 0x10000000 0x20000000 0x0 0x30000000
+ 0x43000000 0x00000000 0x40000000 0x90000000 0x0 0x40000000>;
+};
diff --git a/arch/mips/boot/dts/brcm/bcm97435svmb.dts b/arch/mips/boot/dts/brcm/bcm97435svmb.dts
index b653c6ff74b5..a0cf53e23c07 100644
--- a/arch/mips/boot/dts/brcm/bcm97435svmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97435svmb.dts
@@ -128,3 +128,12 @@
&waketimer {
status = "okay";
};
+
+&pcie_0 {
+ status = "okay";
+ /* 1GB Memc0, 1GB Memc1 */
+ brcm,scb-sizes = <0 0x40000000 0 0x40000000>;
+ dma-ranges = <0x43000000 0x00000000 0x00000000 0x00000000 0x0 0x10000000
+ 0x43000000 0x00000000 0x10000000 0x20000000 0x0 0x30000000
+ 0x43000000 0x00000000 0x40000000 0x90000000 0x0 0x40000000>;
+};
--
2.17.1
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