netdev - [net-next PATCH 0/4] Add PTP support for CN10K silicon

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Message-ID: <20220910075416.22887-1-naveenm@marvell.com>
Date:   Sat, 10 Sep 2022 13:24:12 +0530
From:   Naveen Mamindlapalli <naveenm@...vell.com>
To:     <kuba@...nel.org>, <davem@...emloft.net>, <edumazet@...gle.com>,
        <pabeni@...hat.com>, <richardcochran@...il.com>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <sgoutham@...vell.com>, <hkelam@...vell.com>
CC:     Naveen Mamindlapalli <naveenm@...vell.com>
Subject: [net-next PATCH 0/4] Add PTP support for CN10K silicon

This patchset adds PTP support for CN10K silicon, specifically
to workaround few hardware issues and to add 1-step mode.

Patchset overview:

Patch #1 returns correct ptp timestamp in nanoseconds captured
         when external timestamp event occurs.

Patch #2 adds 1-step mode support.

Patch #3 implements software workaround to generate PPS output properly.

Patch #4 provides a software workaround for the rollover register default
         value, which causes ptp to return the wrong timestamp.

Hariprasad Kelam (1):
  octeontx2-pf: Add support for ptp 1-step mode on CN10K silicon

Naveen Mamindlapalli (3):
  octeontx2-af: return correct ptp timestamp for CN10K silicon
  octeontx2-af: Add PTP PPS Errata workaround on CN10K silicon
  octeontx2-af: Initialize PTP_SEC_ROLLOVER register properly

 drivers/net/ethernet/marvell/octeontx2/af/mbox.h   |   2 +
 drivers/net/ethernet/marvell/octeontx2/af/ptp.c    | 106 +++++++++++++++++++-
 drivers/net/ethernet/marvell/octeontx2/af/ptp.h    |   3 +
 drivers/net/ethernet/marvell/octeontx2/af/rpm.c    |  19 +++-
 drivers/net/ethernet/marvell/octeontx2/af/rpm.h    |   5 +
 .../net/ethernet/marvell/octeontx2/af/rvu_nix.c    |   8 +-
 .../net/ethernet/marvell/octeontx2/af/rvu_reg.h    |   1 +
 .../ethernet/marvell/octeontx2/nic/otx2_common.h   |  13 +++
 .../ethernet/marvell/octeontx2/nic/otx2_ethtool.c  |   8 +-
 .../net/ethernet/marvell/octeontx2/nic/otx2_pf.c   |  11 +++
 .../net/ethernet/marvell/octeontx2/nic/otx2_ptp.c  | 103 ++++++++++++++-----
 .../ethernet/marvell/octeontx2/nic/otx2_struct.h   |  11 ++-
 .../net/ethernet/marvell/octeontx2/nic/otx2_txrx.c | 110 ++++++++++++++++++++-
 13 files changed, 359 insertions(+), 41 deletions(-)

-- 
2.16.5