[PATCH v6 3/4] arm64: dts: mediatek: Split PCIe node for MT2712 and MT7622
Chuanjia Liu
chuanjia.liu at mediatek.com
Mon Sep 14 07:26:58 EDT 2020
There are two independent PCIe controllers in MT2712 and MT7622
platform. Each of them should contain an independent MSI domain.
In current architecture, MSI domain will be inherited from the root
bridge, and all of the devices will share the same MSI domain.
Hence that, the PCIe devices will not work properly if the irq number
which required is more than 32.
Split the PCIe node for MT2712 and MT7622 platform to fix MSI issue
and comply with the hardware design.
Signed-off-by: Chuanjia Liu <chuanjia.liu at mediatek.com>
Acked-by: Ryder Lee <ryder.lee at mediatek.com>
---
arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 75 +++++++++++--------
.../dts/mediatek/mt7622-bananapi-bpi-r64.dts | 16 ++--
arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts | 6 +-
arch/arm64/boot/dts/mediatek/mt7622.dtsi | 66 ++++++++++------
4 files changed, 94 insertions(+), 69 deletions(-)
diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
index db17d0a4ed57..337e56bdbd08 100644
--- a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
@@ -915,60 +915,73 @@
};
};
- pcie: pcie at 11700000 {
+ pcie1: pcie at 112ff000 {
compatible = "mediatek,mt2712-pcie";
device_type = "pci";
- reg = <0 0x11700000 0 0x1000>,
- <0 0x112ff000 0 0x1000>;
- reg-names = "port0", "port1";
+ reg = <0 0x112ff000 0 0x1000>;
+ reg-names = "port1";
#address-cells = <3>;
#size-cells = <2>;
- interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&topckgen CLK_TOP_PE2_MAC_P0_SEL>,
- <&topckgen CLK_TOP_PE2_MAC_P1_SEL>,
- <&pericfg CLK_PERI_PCIE0>,
+ interrupts = <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "pcie_irq";
+ clocks = <&topckgen CLK_TOP_PE2_MAC_P1_SEL>,
<&pericfg CLK_PERI_PCIE1>;
- clock-names = "sys_ck0", "sys_ck1", "ahb_ck0", "ahb_ck1";
- phys = <&u3port0 PHY_TYPE_PCIE>, <&u3port1 PHY_TYPE_PCIE>;
- phy-names = "pcie-phy0", "pcie-phy1";
+ clock-names = "sys_ck1", "ahb_ck1";
+ phys = <&u3port1 PHY_TYPE_PCIE>;
+ phy-names = "pcie-phy1";
bus-range = <0x00 0xff>;
- ranges = <0x82000000 0 0x20000000 0x0 0x20000000 0 0x10000000>;
+ ranges = <0x82000000 0 0x11400000 0x0 0x11400000 0 0x300000>;
+ status = "disabled";
- pcie0: pcie at 0,0 {
- device_type = "pci";
- status = "disabled";
- reg = <0x0000 0 0 0 0>;
+ slot1: pcie at 1,0 {
+ reg = <0x0800 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
ranges;
interrupt-map-mask = <0 0 0 7>;
- interrupt-map = <0 0 0 1 &pcie_intc0 0>,
- <0 0 0 2 &pcie_intc0 1>,
- <0 0 0 3 &pcie_intc0 2>,
- <0 0 0 4 &pcie_intc0 3>;
- pcie_intc0: interrupt-controller {
+ interrupt-map = <0 0 0 1 &pcie_intc1 0>,
+ <0 0 0 2 &pcie_intc1 1>,
+ <0 0 0 3 &pcie_intc1 2>,
+ <0 0 0 4 &pcie_intc1 3>;
+ pcie_intc1: interrupt-controller {
interrupt-controller;
#address-cells = <0>;
#interrupt-cells = <1>;
};
};
+ };
- pcie1: pcie at 1,0 {
- device_type = "pci";
- status = "disabled";
- reg = <0x0800 0 0 0 0>;
+ pcie0: pcie at 11700000 {
+ compatible = "mediatek,mt2712-pcie";
+ device_type = "pci";
+ reg = <0 0x11700000 0 0x1000>;
+ reg-names = "port0";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "pcie_irq";
+ clocks = <&topckgen CLK_TOP_PE2_MAC_P0_SEL>,
+ <&pericfg CLK_PERI_PCIE0>;
+ clock-names = "sys_ck0", "ahb_ck0";
+ phys = <&u3port0 PHY_TYPE_PCIE>;
+ phy-names = "pcie-phy0";
+ bus-range = <0x00 0xff>;
+ ranges = <0x82000000 0 0x20000000 0x0 0x20000000 0 0x10000000>;
+ status = "disabled";
+
+ slot0: pcie at 0,0 {
+ reg = <0x0000 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
ranges;
interrupt-map-mask = <0 0 0 7>;
- interrupt-map = <0 0 0 1 &pcie_intc1 0>,
- <0 0 0 2 &pcie_intc1 1>,
- <0 0 0 3 &pcie_intc1 2>,
- <0 0 0 4 &pcie_intc1 3>;
- pcie_intc1: interrupt-controller {
+ interrupt-map = <0 0 0 1 &pcie_intc0 0>,
+ <0 0 0 2 &pcie_intc0 1>,
+ <0 0 0 3 &pcie_intc0 2>,
+ <0 0 0 4 &pcie_intc0 3>;
+ pcie_intc0: interrupt-controller {
interrupt-controller;
#address-cells = <0>;
#interrupt-cells = <1>;
diff --git a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
index d174ad214857..83baab46f060 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
@@ -207,18 +207,16 @@
};
};
-&pcie {
+&pcie0 {
pinctrl-names = "default";
- pinctrl-0 = <&pcie0_pins>, <&pcie1_pins>;
+ pinctrl-0 = <&pcie0_pins>;
status = "okay";
+};
- pcie at 0,0 {
- status = "okay";
- };
-
- pcie at 1,0 {
- status = "okay";
- };
+&pcie1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie1_pins>;
+ status = "okay";
};
&pio {
diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
index 0b4de627f96e..8e98b78ba232 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
@@ -183,14 +183,10 @@
};
};
-&pcie {
+&pcie0 {
pinctrl-names = "default";
pinctrl-0 = <&pcie0_pins>;
status = "okay";
-
- pcie at 0,0 {
- status = "okay";
- };
};
&pio {
diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index 1a39e0ef776b..539d912e3e1f 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -777,45 +777,40 @@
#reset-cells = <1>;
};
- pcie: pcie at 1a140000 {
+ pciecfg: pciecfg at 1a140000 {
+ compatible = "mediatek,generic-pciecfg", "syscon";
+ reg = <0 0x1a140000 0 0x1000>;
+ };
+
+ pcie0: pcie at 1a143000 {
compatible = "mediatek,mt7622-pcie";
device_type = "pci";
- reg = <0 0x1a140000 0 0x1000>,
- <0 0x1a143000 0 0x1000>,
- <0 0x1a145000 0 0x1000>;
- reg-names = "subsys", "port0", "port1";
+ reg = <0 0x1a143000 0 0x1000>;
+ reg-names = "port0";
#address-cells = <3>;
#size-cells = <2>;
- interrupts = <GIC_SPI 228 IRQ_TYPE_LEVEL_LOW>,
- <GIC_SPI 229 IRQ_TYPE_LEVEL_LOW>;
+ interrupts = <GIC_SPI 228 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-names = "pcie_irq";
clocks = <&pciesys CLK_PCIE_P0_MAC_EN>,
- <&pciesys CLK_PCIE_P1_MAC_EN>,
- <&pciesys CLK_PCIE_P0_AHB_EN>,
<&pciesys CLK_PCIE_P0_AHB_EN>,
<&pciesys CLK_PCIE_P0_AUX_EN>,
- <&pciesys CLK_PCIE_P1_AUX_EN>,
<&pciesys CLK_PCIE_P0_AXI_EN>,
- <&pciesys CLK_PCIE_P1_AXI_EN>,
<&pciesys CLK_PCIE_P0_OBFF_EN>,
- <&pciesys CLK_PCIE_P1_OBFF_EN>,
- <&pciesys CLK_PCIE_P0_PIPE_EN>,
- <&pciesys CLK_PCIE_P1_PIPE_EN>;
- clock-names = "sys_ck0", "sys_ck1", "ahb_ck0", "ahb_ck1",
- "aux_ck0", "aux_ck1", "axi_ck0", "axi_ck1",
- "obff_ck0", "obff_ck1", "pipe_ck0", "pipe_ck1";
+ <&pciesys CLK_PCIE_P0_PIPE_EN>;
+ clock-names = "sys_ck0", "ahb_ck0", "aux_ck0",
+ "axi_ck0", "obff_ck0", "pipe_ck0";
+
power-domains = <&scpsys MT7622_POWER_DOMAIN_HIF0>;
bus-range = <0x00 0xff>;
- ranges = <0x82000000 0 0x20000000 0x0 0x20000000 0 0x10000000>;
+ ranges = <0x82000000 0 0x20000000 0x0 0x20000000 0 0x8000000>;
status = "disabled";
- pcie0: pcie at 0,0 {
+ slot0: pcie at 0,0 {
reg = <0x0000 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
ranges;
- status = "disabled";
-
interrupt-map-mask = <0 0 0 7>;
interrupt-map = <0 0 0 1 &pcie_intc0 0>,
<0 0 0 2 &pcie_intc0 1>,
@@ -827,15 +822,38 @@
#interrupt-cells = <1>;
};
};
+ };
- pcie1: pcie at 1,0 {
+ pcie1: pcie at 1a145000 {
+ compatible = "mediatek,mt7622-pcie";
+ device_type = "pci";
+ reg = <0 0x1a145000 0 0x1000>;
+ reg-names = "port1";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ interrupts = <GIC_SPI 229 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-names = "pcie_irq";
+ clocks = <&pciesys CLK_PCIE_P1_MAC_EN>,
+ /* designer has connect RC1 with p0_ahb clock */
+ <&pciesys CLK_PCIE_P0_AHB_EN>,
+ <&pciesys CLK_PCIE_P1_AUX_EN>,
+ <&pciesys CLK_PCIE_P1_AXI_EN>,
+ <&pciesys CLK_PCIE_P1_OBFF_EN>,
+ <&pciesys CLK_PCIE_P1_PIPE_EN>;
+ clock-names = "sys_ck1", "ahb_ck1", "aux_ck1",
+ "axi_ck1", "obff_ck1", "pipe_ck1";
+
+ power-domains = <&scpsys MT7622_POWER_DOMAIN_HIF0>;
+ bus-range = <0x00 0xff>;
+ ranges = <0x82000000 0 0x28000000 0x0 0x28000000 0 0x8000000>;
+ status = "disabled";
+
+ slot1: pcie at 1,0 {
reg = <0x0800 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
ranges;
- status = "disabled";
-
interrupt-map-mask = <0 0 0 7>;
interrupt-map = <0 0 0 1 &pcie_intc1 0>,
<0 0 0 2 &pcie_intc1 1>,
--
2.18.0
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