diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0324-staging-fsl_ppfe-eth-Disable-termination-of-CRC-fwd.patch')
-rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0324-staging-fsl_ppfe-eth-Disable-termination-of-CRC-fwd.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0324-staging-fsl_ppfe-eth-Disable-termination-of-CRC-fwd.patch b/target/linux/layerscape/patches-5.4/701-net-0324-staging-fsl_ppfe-eth-Disable-termination-of-CRC-fwd.patch new file mode 100644 index 0000000000..3d9870d78b --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0324-staging-fsl_ppfe-eth-Disable-termination-of-CRC-fwd.patch @@ -0,0 +1,34 @@ +From 6d7e10038aba81d7273f72f36db64c71ae7f8f69 Mon Sep 17 00:00:00 2001 +From: Nagesh Koneti <koneti.nagesh@nxp.com> +Date: Wed, 25 Sep 2019 12:01:19 +0530 +Subject: [PATCH] staging: fsl_ppfe/eth: Disable termination of CRC fwd. +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +LS1012A MAC PCS block has an erratum that is seen with specific PHY AR803x. +The issue is triggered by the (spec-compliant) operation of the AR803x PHY +on the LS1012A-FRWY board.Due to this, good FCS packet is reported as error +packet by MAC, so for these error packets FCS should be validated and +discard only real error packets in PFE Rx packet path. + +Signed-off-by: Nagesh Koneti <koneti.nagesh@nxp.com> +Signed-off-by: Nagesh Koneti <“koneti.nagesh@nxp.com”> +--- + drivers/staging/fsl_ppfe/pfe_hal.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +--- a/drivers/staging/fsl_ppfe/pfe_hal.c ++++ b/drivers/staging/fsl_ppfe/pfe_hal.c +@@ -860,8 +860,9 @@ void gemac_set_mode(void *base, int mode + /*Remove loopbank*/ + val &= ~EMAC_RCNTRL_LOOP; + +- /* Enable flow control and MII mode and terminate received CRC */ +- val |= (EMAC_RCNTRL_FCE | EMAC_RCNTRL_MII_MODE | EMAC_RCNTRL_CRC_FWD); ++ /* Enable flow control and MII mode.PFE firmware always expects ++ CRC should be forwarded by MAC to validate CRC in software.*/ ++ val |= (EMAC_RCNTRL_FCE | EMAC_RCNTRL_MII_MODE); + + writel(val, base + EMAC_RCNTRL_REG); + } |