[PATCH v3 2/2] cmd: brcm: netXtreme commands

[Roman Bacik]

Marek, Simon,

Thank you very much for your comments. We will remove bnxt commands and will
probe bnxt driver each boot in the next version.
Thanks,

Roman


> -----Original Message-----
> From: Roman Bacik <roman.bacik at broadcom.com>
> Sent: Wednesday, October 27, 2021 9:47 AM
> To: Marek Behún <kabel at kernel.org>
> Cc: Simon Glass <sjg at chromium.org>; U-Boot Mailing List <u-
> boot at lists.denx.de>; Bharat Gooty <bharat.gooty at broadcom.com>;
> Aswath Govindraju <a-govindraju at ti.com>; Bin Meng
> <bmeng.cn at gmail.com>; Franck LENORMAND
> <franck.lenormand at nxp.com>; Heinrich Schuchardt
> <xypron.glpk at gmx.de>; Kory Maincent <kory.maincent at bootlin.com>;
> Michal Simek <michal.simek at xilinx.com>; Patrick Delaunay
> <patrick.delaunay at foss.st.com>; Peng Fan <peng.fan at nxp.com>; Priyanka
> Jain <priyanka.jain at nxp.com>; Rayagonda Kokatanur
> <rayagonda.kokatanur at broadcom.com>; Sean Anderson
> <sean.anderson at seco.com>
> Subject: RE: [PATCH v3 2/2] cmd: brcm: netXtreme commands
>
> Hi Marek
>
> > -----Original Message-----
> > From: Marek Behún <kabel at kernel.org>
> > Sent: Wednesday, October 27, 2021 9:36 AM
> > To: Roman Bacik <roman.bacik at broadcom.com>
> > Cc: Simon Glass <sjg at chromium.org>; U-Boot Mailing List <u-
> > boot at lists.denx.de>; Bharat Gooty <bharat.gooty at broadcom.com>;
> > Aswath Govindraju <a-govindraju at ti.com>; Bin Meng
> > <bmeng.cn at gmail.com>; Franck LENORMAND
> > <franck.lenormand at nxp.com>; Heinrich Schuchardt
> > <xypron.glpk at gmx.de>; Kory Maincent <kory.maincent at bootlin.com>;
> > Michal Simek <michal.simek at xilinx.com>; Patrick Delaunay
> > <patrick.delaunay at foss.st.com>; Peng Fan <peng.fan at nxp.com>;
> Priyanka
> > Jain <priyanka.jain at nxp.com>; Rayagonda Kokatanur
> > <rayagonda.kokatanur at broadcom.com>; Sean Anderson
> > <sean.anderson at seco.com>
> > Subject: Re: [PATCH v3 2/2] cmd: brcm: netXtreme commands
> >
> > On Wed, 27 Oct 2021 08:05:11 -0700
> > Roman Bacik <roman.bacik at broadcom.com> wrote:
> >
> > > chimp_ld_secure #this command loads FW, which is necessary for PCIe to
> > > enumerate it
> > > pci enum #this command is necessary to call bnxt_bind
> >
> > Wait, so what is this firmware for? Is it firmware for the netXtreme
> > controller or for PCIe controller itself?
>
> It is FW for netXtreme controller.
>
> >
> > If it is for the ethernet controller, you should be able to determine
> > whether there is netXtreme card present on the PCI bus without loading
> > the firmware, by looking at PCI vendor / device ID.
>
> The current code fails to enumerate PCI if FW is not loaded. Loading FW
> and trying to enumerate again still fails. Only reset helps after that.
>
> >
> > In that case the firmware should be loaded when the ethernet controller
> > is requested for, i.e. the ethact env variable points to that
> > controller and a network command is executed (dhcp, tftpboot, ...).
> >
> > (The ethact variable is used to set which ethernet controller is used
> >  for network commands when there are multiple etherent controllers.)
>
> Thanks,
>
> Roman

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