From: Xiaowei Bao <xiaowei.bao@nxp.com>
To: Kishon Vijay Abraham I <kishon@ti.com>,
"lorenzo.pieralisi@arm.com" <lorenzo.pieralisi@arm.com>,
"bhelgaas@google.com" <bhelgaas@google.com>,
"M.h. Lian" <minghuan.lian@nxp.com>,
Mingkai Hu <mingkai.hu@nxp.com>, Roy Zang <roy.zang@nxp.com>,
"l.stach@pengutronix.de" <l.stach@pengutronix.de>,
"tpiepho@impinj.com" <tpiepho@impinj.com>,
Leonard Crestez <leonard.crestez@nxp.com>,
"andrew.smirnov@gmail.com" <andrew.smirnov@gmail.com>,
"yue.wang@amlogic.com" <yue.wang@amlogic.com>,
"hayashi.kunihiko@socionext.com" <hayashi.kunihiko@socionext.com>,
"dwmw@amazon.co.uk" <dwmw@amazon.co.uk>,
"jonnyc@amazon.com" <jonnyc@amazon.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: RE: [EXT] Re: [PATCHv4 1/2] PCI: layerscape: Add the bar_fixed_64bit property in EP driver.
Date: Tue, 13 Aug 2019 06:29:33 +0000 [thread overview]
Message-ID: <AM5PR04MB329910AC59AD7DCE39A6F6CDF5D20@AM5PR04MB3299.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <4a456d72-f5b5-e860-0215-dd215e2edf09@ti.com>
> -----Original Message-----
> From: Kishon Vijay Abraham I <kishon@ti.com>
> Sent: 2019年8月13日 12:36
> To: Xiaowei Bao <xiaowei.bao@nxp.com>; lorenzo.pieralisi@arm.com;
> bhelgaas@google.com; M.h. Lian <minghuan.lian@nxp.com>; Mingkai Hu
> <mingkai.hu@nxp.com>; Roy Zang <roy.zang@nxp.com>;
> l.stach@pengutronix.de; tpiepho@impinj.com; Leonard Crestez
> <leonard.crestez@nxp.com>; andrew.smirnov@gmail.com;
> yue.wang@amlogic.com; hayashi.kunihiko@socionext.com;
> dwmw@amazon.co.uk; jonnyc@amazon.com; linux-pci@vger.kernel.org;
> linux-kernel@vger.kernel.org; linuxppc-dev@lists.ozlabs.org;
> linux-arm-kernel@lists.infradead.org
> Subject: [EXT] Re: [PATCHv4 1/2] PCI: layerscape: Add the bar_fixed_64bit
> property in EP driver.
>
> Caution: EXT Email
>
> On 13/08/19 8:23 AM, Xiaowei Bao wrote:
> > The PCIe controller of layerscape just have 4 BARs, BAR0 and BAR1 is
> > 32bit, BAR3 and BAR4 is 64bit, this is determined by hardware,
>
> Do you mean BAR2 instead of BAR3 here?
Yes.
>
> Thanks
> Kishon
>
> > so set the bar_fixed_64bit with 0x14.
> >
> > Signed-off-by: Xiaowei Bao <xiaowei.bao@nxp.com>
> > ---
> > v2:
> > - Replace value 0x14 with a macro.
> > v3:
> > - No change.
> > v4:
> > - send the patch again with '--to'.
> >
> > drivers/pci/controller/dwc/pci-layerscape-ep.c | 1 +
> > 1 files changed, 1 insertions(+), 0 deletions(-)
> >
> > diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c
> > b/drivers/pci/controller/dwc/pci-layerscape-ep.c
> > index be61d96..227c33b 100644
> > --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c
> > +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c
> > @@ -44,6 +44,7 @@ static int ls_pcie_establish_link(struct dw_pcie *pci)
> > .linkup_notifier = false,
> > .msi_capable = true,
> > .msix_capable = false,
> > + .bar_fixed_64bit = (1 << BAR_2) | (1 << BAR_4),
> > };
> >
> > static const struct pci_epc_features*
> >
prev parent reply other threads:[~2019-08-13 6:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-13 2:53 [PATCHv4 1/2] PCI: layerscape: Add the bar_fixed_64bit property in EP driver Xiaowei Bao
2019-08-13 2:53 ` [PATCHv4 2/2] PCI: layerscape: Add CONFIG_PCI_LAYERSCAPE_EP to build EP/RC separately Xiaowei Bao
2019-08-13 4:36 ` [PATCHv4 1/2] PCI: layerscape: Add the bar_fixed_64bit property in EP driver Kishon Vijay Abraham I
2019-08-13 6:29 ` Xiaowei Bao [this message]
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