Messages in this thread Patch in this message | | | Date | Thu, 12 Sep 2019 14:01:59 +0100 | From | Andrew Murray <> | Subject | Re: [PATCH v3 10/11] arm64: dts: layerscape: Add PCIe EP node for ls1088a |
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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 > > >
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