> -----Original Message----- > From: Russell King - ARM Linux admin <[email protected]> > Sent: Wednesday, January 27, 2021 4:06 PM > To: Stefan Chulski <[email protected]> > Cc: [email protected]; [email protected]; > [email protected]; Nadav Haklai <[email protected]>; Yan > Markman <[email protected]>; [email protected]; > [email protected]; [email protected]; [email protected]; > [email protected] > Subject: [EXT] Re: [PATCH v4 net-next 19/19] net: mvpp2: add TX FC > firmware check > > External Email > > ---------------------------------------------------------------------- > On Wed, Jan 27, 2021 at 01:43:35PM +0200, [email protected] wrote: > > if (priv->global_tx_fc && priv->hw_version != MVPP21) { > > - val = mvpp2_cm3_read(priv, MSS_FC_COM_REG); > > - val |= FLOW_CONTROL_ENABLE_BIT; > > - mvpp2_cm3_write(priv, MSS_FC_COM_REG, val); > > + err = mvpp2_enable_global_fc(priv); > > + if (err) { > > + dev_warn(&pdev->dev, "CM3 firmware not running, > version should be higher than 18.09\n"); > > + dev_warn(&pdev->dev, "Flow control not > supported\n"); > > + } > > I've just booted this on my mcbin-ss, and I get: > > mvpp2 f2000000.ethernet: CM3 firmware not running, version should be > higher than 18.09 > mvpp2 f4000000.ethernet: CM3 firmware not running, version should be > higher than 18.09 > > which is rather odd, because I believe I'm running the 18.12 firmware from > git://github.com/MarvellEmbeddedProcessors/binaries-marvell > branch binaries-marvell-armada-18.12. > > Any ideas?
Your mcbin-ss is A8K AX or A8K B0? On AX revisions we do not have FC support in firmware. Regards.
