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Wed, 27 Oct 2021 09:47:05 -0700 (PDT) From: Roman Bacik References: <20211025234444.1237-1-roman.bacik@broadcom.com> <20211025164424.v3.2.I1edaad77041c1300213c307eef6741499504047@changeid> <20211026151742.42b0fcfa@thinkpad> <20211026175519.418d4864@thinkpad> <20211026184950.47bcd1af@thinkpad> <20211027183548.4ae716ed@thinkpad> In-Reply-To: <20211027183548.4ae716ed@thinkpad> MIME-Version: 1.0 X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQGwPfUYlqia02RTFXRPeT0mo3zj3QG0cxe3Ae8hGVkBhEyqoACPkmgLAjFeXAYC0Sy7ewGVDZggAbFfFbGrxiKbgA== Date: Wed, 27 Oct 2021 09:47:01 -0700 Message-ID: <16973b36722d2787882203434568dd90@mail.gmail.com> Subject: RE: [PATCH v3 2/2] cmd: brcm: netXtreme commands To: =?UTF-8?B?TWFyZWsgQmVow7pu?= Cc: Simon Glass , U-Boot Mailing List , Bharat Gooty , Aswath Govindraju , Bin Meng , Franck LENORMAND , Heinrich Schuchardt , Kory Maincent , Michal Simek , Patrick Delaunay , Peng Fan , Priyanka Jain , Rayagonda Kokatanur , Sean Anderson Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="0000000000001cd39505cf58583f" X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean --0000000000001cd39505cf58583f Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Marek > -----Original Message----- > From: Marek Beh=C3=BAn > Sent: Wednesday, October 27, 2021 9:36 AM > To: Roman Bacik > Cc: Simon Glass ; U-Boot Mailing List boot@lists.denx.de>; Bharat Gooty ; > Aswath Govindraju ; Bin Meng > ; Franck LENORMAND > ; Heinrich Schuchardt > ; Kory Maincent ; > Michal Simek ; Patrick Delaunay > ; Peng Fan ; Priyanka > Jain ; Rayagonda Kokatanur > ; Sean Anderson > > Subject: Re: [PATCH v3 2/2] cmd: brcm: netXtreme commands > > On Wed, 27 Oct 2021 08:05:11 -0700 > Roman Bacik 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 --=20 This electronic communication and the information and any files transmitted= =20 with it, or attached to it, are confidential and are intended solely for=20 the use of the individual or entity to whom it is addressed and may contain= =20 information that is confidential, legally privileged, protected by privacy= =20 laws, or otherwise restricted from disclosure to anyone else. If you are=20 not the intended recipient or the person responsible for delivering the=20 e-mail to the intended recipient, you are hereby notified that any use,=20 copying, distributing, dissemination, forwarding, printing, or copying of= =20 this e-mail is strictly prohibited. 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