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From: Andrew Murray <andrew.murray@arm.com>
To: Xiaowei Bao <xiaowei.bao@nxp.com>
Cc: "robh+dt@kernel.org" <robh+dt@kernel.org>,
	"mark.rutland@arm.com" <mark.rutland@arm.com>,
	"shawnguo@kernel.org" <shawnguo@kernel.org>,
	Leo Li <leoyang.li@nxp.com>, "kishon@ti.com" <kishon@ti.com>,
	"lorenzo.pieralisi@arm.com" <lorenzo.pieralisi@arm.com>,
	"M.h. Lian" <minghuan.lian@nxp.com>,
	Mingkai Hu <mingkai.hu@nxp.com>, Roy Zang <roy.zang@nxp.com>,
	"jingoohan1@gmail.com" <jingoohan1@gmail.com>,
	"gustavo.pimentel@synopsys.com" <gustavo.pimentel@synopsys.com>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	"arnd@arndb.de" <arnd@arndb.de>,
	"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"Z.q. Hou" <zhiqiang.hou@nxp.com>
Subject: Re: [PATCH v3 10/11] arm64: dts: layerscape: Add PCIe EP node for ls1088a
Date: Thu, 12 Sep 2019 14:01:59 +0100
Message-ID: <20190912130159.GF9720@e119886-lin.cambridge.arm.com> (raw)
In-Reply-To: <AM5PR04MB329926C6F424C4BE1CE9B787F5B90@AM5PR04MB3299.eurprd04.prod.outlook.com>

On Tue, Sep 03, 2019 at 02:01:32AM +0000, Xiaowei Bao wrote:
> 
> 
> > -----Original Message-----
> > From: Andrew Murray <andrew.murray@arm.com>
> > Sent: 2019年9月2日 21:06
> > To: Xiaowei Bao <xiaowei.bao@nxp.com>
> > Cc: robh+dt@kernel.org; mark.rutland@arm.com; shawnguo@kernel.org; Leo
> > Li <leoyang.li@nxp.com>; kishon@ti.com; lorenzo.pieralisi@arm.com; M.h.
> > Lian <minghuan.lian@nxp.com>; Mingkai Hu <mingkai.hu@nxp.com>; Roy
> > Zang <roy.zang@nxp.com>; jingoohan1@gmail.com;
> > gustavo.pimentel@synopsys.com; linux-pci@vger.kernel.org;
> > devicetree@vger.kernel.org; linux-kernel@vger.kernel.org;
> > linux-arm-kernel@lists.infradead.org; linuxppc-dev@lists.ozlabs.org;
> > arnd@arndb.de; gregkh@linuxfoundation.org; Z.q. Hou
> > <zhiqiang.hou@nxp.com>
> > Subject: Re: [PATCH v3 10/11] arm64: dts: layerscape: Add PCIe EP node for
> > ls1088a
> > 
> > On Mon, Sep 02, 2019 at 11:17:15AM +0800, Xiaowei Bao wrote:
> > > Add PCIe EP node for ls1088a to support EP mode.
> > >
> > > Signed-off-by: Xiaowei Bao <xiaowei.bao@nxp.com>
> > > ---
> > > v2:
> > >  - Remove the pf-offset proparty.
> > > v3:
> > >  - No change.
> > >
> > >  arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 31
> > ++++++++++++++++++++++++++
> > >  1 file changed, 31 insertions(+)
> > >
> > > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > > index c676d07..da246ab 100644
> > > --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > > @@ -483,6 +483,17 @@
> > >  			status = "disabled";
> > >  		};
> > >
> > > +		pcie_ep@3400000 {
> > > +			compatible = "fsl,ls1088a-pcie-ep","fsl,ls-pcie-ep";
> > 
> > Here you specify a fallback "fsl,ls-pcie-ep" that is removed by this series.
> > 
> > Besides that, this looks OK.
> 
> As explained, the "fsl,ls-pcie-ep" is needed, due to the u-boot will fixup the status
> property base on this compatible, I think we reserve this compatible is helpfully,
> if delate this compatible, I have to modify the code of bootloader.

I assume you mean that u-boot fixes up "fsl,ls-pcie-ep" *only* for ls1046a
devices?

Thanks,

Andrew Murray

> 
> Thanks 
> XIaowei
> 
> > 
> > Thanks,
> > 
> > Andrew Murray
> > 
> > > +			reg = <0x00 0x03400000 0x0 0x00100000
> > > +			       0x20 0x00000000 0x8 0x00000000>;
> > > +			reg-names = "regs", "addr_space";
> > > +			num-ib-windows = <24>;
> > > +			num-ob-windows = <128>;
> > > +			max-functions = /bits/ 8 <2>;
> > > +			status = "disabled";
> > > +		};
> > > +
> > >  		pcie@3500000 {
> > >  			compatible = "fsl,ls1088a-pcie";
> > >  			reg = <0x00 0x03500000 0x0 0x00100000   /* controller
> > registers */
> > > @@ -508,6 +519,16 @@
> > >  			status = "disabled";
> > >  		};
> > >
> > > +		pcie_ep@3500000 {
> > > +			compatible = "fsl,ls1088a-pcie-ep","fsl,ls-pcie-ep";
> > > +			reg = <0x00 0x03500000 0x0 0x00100000
> > > +			       0x28 0x00000000 0x8 0x00000000>;
> > > +			reg-names = "regs", "addr_space";
> > > +			num-ib-windows = <6>;
> > > +			num-ob-windows = <8>;
> > > +			status = "disabled";
> > > +		};
> > > +
> > >  		pcie@3600000 {
> > >  			compatible = "fsl,ls1088a-pcie";
> > >  			reg = <0x00 0x03600000 0x0 0x00100000   /* controller
> > registers */
> > > @@ -533,6 +554,16 @@
> > >  			status = "disabled";
> > >  		};
> > >
> > > +		pcie_ep@3600000 {
> > > +			compatible = "fsl,ls1088a-pcie-ep","fsl,ls-pcie-ep";
> > > +			reg = <0x00 0x03600000 0x0 0x00100000
> > > +			       0x30 0x00000000 0x8 0x00000000>;
> > > +			reg-names = "regs", "addr_space";
> > > +			num-ib-windows = <6>;
> > > +			num-ob-windows = <8>;
> > > +			status = "disabled";
> > > +		};
> > > +
> > >  		smmu: iommu@5000000 {
> > >  			compatible = "arm,mmu-500";
> > >  			reg = <0 0x5000000 0 0x800000>;
> > > --
> > > 2.9.5
> > >

  reply index

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-02  3:17 [PATCH v3 00/11] *** SUBJECT HERE *** Xiaowei Bao
2019-09-02  3:17 ` [PATCH v3 01/11] PCI: designware-ep: Add multiple PFs support for DWC Xiaowei Bao
2019-09-02 16:26   ` Andrew Murray
2019-09-03  3:43     ` Xiaowei Bao
2019-09-26 10:29       ` Andrew Murray
2019-09-26 13:38         ` Gustavo Pimentel
2019-09-02  3:17 ` [PATCH v3 02/11] PCI: designware-ep: Add the doorbell mode of MSI-X in EP mode Xiaowei Bao
2019-09-02  3:17 ` [PATCH v3 03/11] PCI: designware-ep: Move the function of getting MSI capability forward Xiaowei Bao
2019-09-02  3:17 ` [PATCH v3 04/11] PCI: designware-ep: Modify MSI and MSIX CAP way of finding Xiaowei Bao
2019-09-02 15:07   ` Andrew Murray
2019-09-03  2:33     ` Xiaowei Bao
2019-09-02  3:17 ` [PATCH v3 05/11] dt-bindings: pci: layerscape-pci: add compatible strings for ls1088a and ls2088a Xiaowei Bao
2019-09-02 12:31   ` Andrew Murray
2019-09-03  1:33     ` Xiaowei Bao
2019-09-02  3:17 ` [PATCH v3 06/11] PCI: layerscape: Fix some format issue of the code Xiaowei Bao
2019-09-02  3:17 ` [PATCH v3 07/11] PCI: layerscape: Modify the way of getting capability with different PEX Xiaowei Bao
2019-09-02 13:37   ` Andrew Murray
2019-09-03  2:13     ` Xiaowei Bao
2019-09-02  3:17 ` [PATCH v3 08/11] PCI: layerscape: Modify the MSIX to the doorbell mode Xiaowei Bao
2019-09-02 12:01   ` Andrew Murray
2019-09-12 11:24     ` Gustavo Pimentel
2019-09-14  6:37       ` Xiaowei Bao
2019-09-16  8:54         ` Gustavo Pimentel
2019-09-02  3:17 ` [PATCH v3 09/11] PCI: layerscape: Add EP mode support for ls1088a and ls2088a Xiaowei Bao
2019-09-02 12:46   ` Andrew Murray
2019-09-03  1:47     ` Xiaowei Bao
2019-09-12 12:49       ` Andrew Murray
2019-09-14  4:10         ` Xiaowei Bao
2019-09-16 14:37           ` Andrew Murray
2019-09-18  3:17             ` Xiaowei Bao
2019-09-02  3:17 ` [PATCH v3 10/11] arm64: dts: layerscape: Add PCIe EP node for ls1088a Xiaowei Bao
2019-09-02 13:06   ` Andrew Murray
2019-09-03  2:01     ` Xiaowei Bao
2019-09-12 13:01       ` Andrew Murray [this message]
2019-09-14  4:15         ` Xiaowei Bao
2019-09-02  3:17 ` [PATCH v3 11/11] misc: pci_endpoint_test: Add LS1088a in pci_device_id table Xiaowei Bao
2019-09-02 12:54   ` Andrew Murray
2019-09-03  1:52     ` Xiaowei Bao
2019-09-12 12:59       ` Andrew Murray
2019-09-14  4:13         ` Xiaowei Bao
2019-09-02  3:52 ` [PATCH v3 00/11] *** SUBJECT HERE *** Z.q. Hou
2019-09-02  3:54   ` Xiaowei Bao

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