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Miller" , netdev@vger.kernel.org Cc: Florian Fainelli , Andrew Lunn , Vivien Didelot , Vladimir Oltean Subject: [PATCH v3 net-next 3/4] net: dsa: sja1105: make sure the retagging port is enabled for SJA1110 Date: Tue, 8 Jun 2021 12:25:37 +0300 Message-Id: <20210608092538.3920217-4-olteanv@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210608092538.3920217-1-olteanv@gmail.com> References: <20210608092538.3920217-1-olteanv@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Vladimir Oltean The SJA1110 has an extra configuration in the General Parameters Table through which the user can select the buffer reservation config. Signed-off-by: Vladimir Oltean --- v2->v3: Patch is new. drivers/net/dsa/sja1105/sja1105_main.c | 56 +++++++++++++++++++ .../net/dsa/sja1105/sja1105_static_config.c | 1 + .../net/dsa/sja1105/sja1105_static_config.h | 1 + 3 files changed, 58 insertions(+) diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index 2b3b6c402b34..801cf47d9572 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -565,6 +565,60 @@ void sja1105_frame_memory_partitioning(struct sja1105_private *priv) vl_fwd_params->partspc[0] = SJA1105_VL_FRAME_MEMORY; } +/* SJA1110 TDMACONFIGIDX values: + * + * | 100 Mbps ports | 1Gbps ports | 2.5Gbps ports | Disabled ports + * -----+----------------+---------------+---------------+--------------- + * 0 | 0, [5:10] | [1:2] | [3:4] | retag + * 1 |0, [5:10], retag| [1:2] | [3:4] | - + * 2 | 0, [5:10] | [1:3], retag | 4 | - + * 3 | 0, [5:10] |[1:2], 4, retag| 3 | - + * 4 | 0, 2, [5:10] | 1, retag | [3:4] | - + * 5 | 0, 1, [5:10] | 2, retag | [3:4] | - + * 14 | 0, [5:10] | [1:4], retag | - | - + * 15 | [5:10] | [0:4], retag | - | - + */ +static void sja1110_select_tdmaconfigidx(struct sja1105_private *priv) +{ + struct sja1105_general_params_entry *general_params; + struct sja1105_table *table; + bool port_1_is_base_tx; + bool port_3_is_2500; + bool port_4_is_2500; + u64 tdmaconfigidx; + + if (priv->info->device_id != SJA1110_DEVICE_ID) + return; + + table = &priv->static_config.tables[BLK_IDX_GENERAL_PARAMS]; + general_params = table->entries; + + /* All the settings below are "as opposed to SGMII", which is the + * other pinmuxing option. + */ + port_1_is_base_tx = priv->phy_mode[1] == PHY_INTERFACE_MODE_INTERNAL; + port_3_is_2500 = priv->phy_mode[3] == PHY_INTERFACE_MODE_2500BASEX; + port_4_is_2500 = priv->phy_mode[4] == PHY_INTERFACE_MODE_2500BASEX; + + if (port_1_is_base_tx) + /* Retagging port will operate at 1 Gbps */ + tdmaconfigidx = 5; + else if (port_3_is_2500 && port_4_is_2500) + /* Retagging port will operate at 100 Mbps */ + tdmaconfigidx = 1; + else if (port_3_is_2500) + /* Retagging port will operate at 1 Gbps */ + tdmaconfigidx = 3; + else if (port_4_is_2500) + /* Retagging port will operate at 1 Gbps */ + tdmaconfigidx = 2; + else + /* Retagging port will operate at 1 Gbps */ + tdmaconfigidx = 14; + + general_params->tdmaconfigidx = tdmaconfigidx; +} + static int sja1105_init_general_params(struct sja1105_private *priv) { struct sja1105_general_params_entry default_general_params = { @@ -640,6 +694,8 @@ static int sja1105_init_general_params(struct sja1105_private *priv) ((struct sja1105_general_params_entry *)table->entries)[0] = default_general_params; + sja1110_select_tdmaconfigidx(priv); + return 0; } diff --git a/drivers/net/dsa/sja1105/sja1105_static_config.c b/drivers/net/dsa/sja1105/sja1105_static_config.c index 4eba79bdedbf..eda571819d45 100644 --- a/drivers/net/dsa/sja1105/sja1105_static_config.c +++ b/drivers/net/dsa/sja1105/sja1105_static_config.c @@ -211,6 +211,7 @@ size_t sja1110_general_params_entry_packing(void *buf, void *entry_ptr, sja1105_packing(buf, &entry->egrmirrpcp, 113, 111, size, op); sja1105_packing(buf, &entry->egrmirrdei, 110, 110, size, op); sja1105_packing(buf, &entry->replay_port, 109, 106, size, op); + sja1105_packing(buf, &entry->tdmaconfigidx, 70, 67, size, op); sja1105_packing(buf, &entry->tte_en, 16, 16, size, op); return size; } diff --git a/drivers/net/dsa/sja1105/sja1105_static_config.h b/drivers/net/dsa/sja1105/sja1105_static_config.h index d24227f78a72..9bef51791bff 100644 --- a/drivers/net/dsa/sja1105/sja1105_static_config.h +++ b/drivers/net/dsa/sja1105/sja1105_static_config.h @@ -216,6 +216,7 @@ struct sja1105_general_params_entry { u64 replay_port; /* SJA1110 only */ u64 tte_en; + u64 tdmaconfigidx; }; struct sja1105_schedule_entry_points_entry { -- 2.25.1