linux-kernel - [PATCH net-next v6 04/11] net: ethernet: ti: ale: am65: add support for default thread cfg

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Message-ID: <20200323225254.12759-5-grygorii.strashko@ti.com>
Date:   Tue, 24 Mar 2020 00:52:47 +0200
From:   Grygorii Strashko <grygorii.strashko@...com>
To:     Peter Ujfalusi <peter.ujfalusi@...com>,
        Rob Herring <robh@...nel.org>, Tero Kristo <t-kristo@...com>,
        "David S . Miller" <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>, Roger Quadros <rogerq@...com>,
        <devicetree@...r.kernel.org>, Jakub Kicinski <kuba@...nel.org>
CC:     Murali Karicheri <m-karicheri2@...com>,
        Sekhar Nori <nsekhar@...com>,
        Kishon Vijay Abraham I <kishon@...com>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Grygorii Strashko <grygorii.strashko@...com>
Subject: [PATCH net-next v6 04/11] net: ethernet: ti: ale: am65: add support for default thread cfg

Add support for default thread configuration for AM65x CPSW NUSS ALE to
allow route all ingress packets to one default RX UDMA flow.

Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
Tested-by: Murali Karicheri <m-karicheri2@...com>
Tested-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 drivers/net/ethernet/ti/cpsw_ale.c | 18 ++++++++++++++++++
 drivers/net/ethernet/ti/cpsw_ale.h |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index 719e7846127c..0374e6936091 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -44,6 +44,8 @@
 #define ALE_UNKNOWNVLAN_FORCE_UNTAG_EGRESS	0x9C
 #define ALE_VLAN_MASK_MUX(reg)			(0xc0 + (0x4 * (reg)))
 
+#define AM65_CPSW_ALE_THREAD_DEF_REG 0x134
+
 #define ALE_TABLE_WRITE		BIT(31)
 
 #define ALE_TYPE_FREE			0
@@ -843,6 +845,22 @@ static struct ale_control_info ale_controls[ALE_NUM_CONTROLS] = {
 		.port_shift	= 0,
 		.bits		= 6,
 	},
+	[ALE_DEFAULT_THREAD_ID] = {
+		.name		= "default_thread_id",
+		.offset		= AM65_CPSW_ALE_THREAD_DEF_REG,
+		.port_offset	= 0,
+		.shift		= 0,
+		.port_shift	= 0,
+		.bits		= 6,
+	},
+	[ALE_DEFAULT_THREAD_ENABLE] = {
+		.name		= "default_thread_id_enable",
+		.offset		= AM65_CPSW_ALE_THREAD_DEF_REG,
+		.port_offset	= 0,
+		.shift		= 15,
+		.port_shift	= 0,
+		.bits		= 1,
+	},
 };
 
 int cpsw_ale_control_set(struct cpsw_ale *ale, int port, int control,
diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h
index eaca73c17ae7..6a3cb6898728 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.h
+++ b/drivers/net/ethernet/ti/cpsw_ale.h
@@ -66,6 +66,8 @@ enum cpsw_ale_control {
 	ALE_PORT_MACONLY_CAF,
 	ALE_PORT_BCAST_LIMIT,
 	ALE_PORT_MCAST_LIMIT,
+	ALE_DEFAULT_THREAD_ID,
+	ALE_DEFAULT_THREAD_ENABLE,
 	ALE_NUM_CONTROLS,
 };
 
-- 
2.17.1