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Date: Mon, 3 Jun 2019 10:42:33 +0530
From: Karthikeyan Mitran <m.karthikeyan@...iveil.co.in>
To: "Z.q. Hou" <zhiqiang.hou@....com>
Cc: "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"bhelgaas@...gle.com" <bhelgaas@...gle.com>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"arnd@...db.de" <arnd@...db.de>,
"mark.rutland@....com" <mark.rutland@....com>,
"l.subrahmanya@...iveil.co.in" <l.subrahmanya@...iveil.co.in>,
"shawnguo@...nel.org" <shawnguo@...nel.org>,
Leo Li <leoyang.li@....com>,
"lorenzo.pieralisi@....com" <lorenzo.pieralisi@....com>,
"catalin.marinas@....com" <catalin.marinas@....com>,
"will.deacon@....com" <will.deacon@....com>,
Mingkai Hu <mingkai.hu@....com>,
"M.h. Lian" <minghuan.lian@....com>,
Xiaowei Bao <xiaowei.bao@....com>
Subject: Re: [PATCHv6 5/6] arm64: dts: lx2160a: Add PCIe controller DT nodes
Hi Hou Zhiqiang
Two instances [@3600000 and @3800000] of the six has a different
window count, the RC can not have more than 8 windows.
apio-wins = <256>; //Can we change it to 8
ppio-wins = <24>; //Can we change it to 8
On Tue, May 28, 2019 at 12:20 PM Z.q. Hou <zhiqiang.hou@....com> wrote:
>
> From: Hou Zhiqiang <Zhiqiang.Hou@....com>
>
> The LX2160A integrated 6 PCIe Gen4 controllers.
>
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@....com>
> Reviewed-by: Minghuan Lian <Minghuan.Lian@....com>
> ---
> V6:
> - No change.
>
> .../arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 163 ++++++++++++++++++
> 1 file changed, 163 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> index 125a8cc2c5b3..7a2b91ff1fbc 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> @@ -964,5 +964,168 @@
> };
> };
> };
> +
> + pcie@...0000 {
> + compatible = "fsl,lx2160a-pcie";
> + reg = <0x00 0x03400000 0x0 0x00100000 /* controller registers */
> + 0x80 0x00000000 0x0 0x00001000>; /* configuration space */
> + reg-names = "csr_axi_slave", "config_axi_slave";
> + interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>, /* AER interrupt */
> + <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>, /* PME interrupt */
> + <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>; /* controller interrupt */
> + interrupt-names = "aer", "pme", "intr";
> + #address-cells = <3>;
> + #size-cells = <2>;
> + device_type = "pci";
> + dma-coherent;
> + apio-wins = <8>;
> + ppio-wins = <8>;
> + bus-range = <0x0 0xff>;
> + ranges = <0x82000000 0x0 0x40000000 0x80 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */
> + msi-parent = <&its>;
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 7>;
> + interrupt-map = <0000 0 0 1 &gic 0 0 GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 2 &gic 0 0 GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 3 &gic 0 0 GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 4 &gic 0 0 GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + };
> +
> + pcie@...0000 {
> + compatible = "fsl,lx2160a-pcie";
> + reg = <0x00 0x03500000 0x0 0x00100000 /* controller registers */
> + 0x88 0x00000000 0x0 0x00001000>; /* configuration space */
> + reg-names = "csr_axi_slave", "config_axi_slave";
> + interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>, /* AER interrupt */
> + <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>, /* PME interrupt */
> + <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>; /* controller interrupt */
> + interrupt-names = "aer", "pme", "intr";
> + #address-cells = <3>;
> + #size-cells = <2>;
> + device_type = "pci";
> + dma-coherent;
> + apio-wins = <8>;
> + ppio-wins = <8>;
> + bus-range = <0x0 0xff>;
> + ranges = <0x82000000 0x0 0x40000000 0x88 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */
> + msi-parent = <&its>;
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 7>;
> + interrupt-map = <0000 0 0 1 &gic 0 0 GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 2 &gic 0 0 GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 3 &gic 0 0 GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 4 &gic 0 0 GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + };
> +
> + pcie@...0000 {
> + compatible = "fsl,lx2160a-pcie";
> + reg = <0x00 0x03600000 0x0 0x00100000 /* controller registers */
> + 0x90 0x00000000 0x0 0x00001000>; /* configuration space */
> + reg-names = "csr_axi_slave", "config_axi_slave";
> + interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>, /* AER interrupt */
> + <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>, /* PME interrupt */
> + <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>; /* controller interrupt */
> + interrupt-names = "aer", "pme", "intr";
> + #address-cells = <3>;
> + #size-cells = <2>;
> + device_type = "pci";
> + dma-coherent;
> + apio-wins = <256>;
> + ppio-wins = <24>;
> + bus-range = <0x0 0xff>;
> + ranges = <0x82000000 0x0 0x40000000 0x90 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */
> + msi-parent = <&its>;
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 7>;
> + interrupt-map = <0000 0 0 1 &gic 0 0 GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 2 &gic 0 0 GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 3 &gic 0 0 GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 4 &gic 0 0 GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + };
> +
> + pcie@...0000 {
> + compatible = "fsl,lx2160a-pcie";
> + reg = <0x00 0x03700000 0x0 0x00100000 /* controller registers */
> + 0x98 0x00000000 0x0 0x00001000>; /* configuration space */
> + reg-names = "csr_axi_slave", "config_axi_slave";
> + interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>, /* AER interrupt */
> + <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>, /* PME interrupt */
> + <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>; /* controller interrupt */
> + interrupt-names = "aer", "pme", "intr";
> + #address-cells = <3>;
> + #size-cells = <2>;
> + device_type = "pci";
> + dma-coherent;
> + apio-wins = <8>;
> + ppio-wins = <8>;
> + bus-range = <0x0 0xff>;
> + ranges = <0x82000000 0x0 0x40000000 0x98 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */
> + msi-parent = <&its>;
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 7>;
> + interrupt-map = <0000 0 0 1 &gic 0 0 GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 2 &gic 0 0 GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 3 &gic 0 0 GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 4 &gic 0 0 GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + };
> +
> + pcie@...0000 {
> + compatible = "fsl,lx2160a-pcie";
> + reg = <0x00 0x03800000 0x0 0x00100000 /* controller registers */
> + 0xa0 0x00000000 0x0 0x00001000>; /* configuration space */
> + reg-names = "csr_axi_slave", "config_axi_slave";
> + interrupts = <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>, /* AER interrupt */
> + <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>, /* PME interrupt */
> + <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>; /* controller interrupt */
> + interrupt-names = "aer", "pme", "intr";
> + #address-cells = <3>;
> + #size-cells = <2>;
> + device_type = "pci";
> + dma-coherent;
> + apio-wins = <256>;
> + ppio-wins = <24>;
> + bus-range = <0x0 0xff>;
> + ranges = <0x82000000 0x0 0x40000000 0xa0 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */
> + msi-parent = <&its>;
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 7>;
> + interrupt-map = <0000 0 0 1 &gic 0 0 GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 2 &gic 0 0 GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 3 &gic 0 0 GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 4 &gic 0 0 GIC_SPI 132 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + };
> +
> + pcie@...0000 {
> + compatible = "fsl,lx2160a-pcie";
> + reg = <0x00 0x03900000 0x0 0x00100000 /* controller registers */
> + 0xa8 0x00000000 0x0 0x00001000>; /* configuration space */
> + reg-names = "csr_axi_slave", "config_axi_slave";
> + interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>, /* AER interrupt */
> + <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>, /* PME interrupt */
> + <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>; /* controller interrupt */
> + interrupt-names = "aer", "pme", "intr";
> + #address-cells = <3>;
> + #size-cells = <2>;
> + device_type = "pci";
> + dma-coherent;
> + apio-wins = <8>;
> + ppio-wins = <8>;
> + bus-range = <0x0 0xff>;
> + ranges = <0x82000000 0x0 0x40000000 0xa8 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */
> + msi-parent = <&its>;
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 7>;
> + interrupt-map = <0000 0 0 1 &gic 0 0 GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 2 &gic 0 0 GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 3 &gic 0 0 GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,
> + <0000 0 0 4 &gic 0 0 GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + };
> +
> };
> };
> --
> 2.17.1
>
--
Thanks,
Regards,
Karthikeyan Mitran
--
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