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From: Ansuel Smith <ansuelsmth@gmail.com>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ansuel Smith <ansuelsmth@gmail.com>, Andrew Lunn <andrew@lunn.ch>,
	Vivien Didelot <vivien.didelot@gmail.com>,
	Vladimir Oltean <olteanv@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Russell King <linux@armlinux.org.uk>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [RFC PATCH net-next v3 11/20] net: dsa: qca8k: add GLOBAL_FC settings needed for qca8327
Date: Wed,  5 May 2021 00:29:05 +0200	[thread overview]
Message-ID: <20210504222915.17206-11-ansuelsmth@gmail.com> (raw)
In-Reply-To: <20210504222915.17206-1-ansuelsmth@gmail.com>

Switch qca8327 needs special settings for the GLOBAL_FC_THRES regs.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
---
 drivers/net/dsa/qca8k.c | 10 ++++++++++
 drivers/net/dsa/qca8k.h |  7 +++++++
 2 files changed, 17 insertions(+)

diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c
index 9e034c445085..ce3606d8e6a4 100644
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c
@@ -933,6 +933,16 @@ qca8k_setup(struct dsa_switch *ds)
 		}
 	}
 
+	/* Special GLOBAL_FC_THRESH value are needed for ar8327 switch */
+	if (data->id == QCA8K_ID_QCA8327) {
+		mask = QCA8K_GLOBAL_FC_GOL_XON_THRES(288) |
+		       QCA8K_GLOBAL_FC_GOL_XOFF_THRES(496);
+		qca8k_rmw(priv, QCA8K_REG_GLOBAL_FC_THRESH,
+			  QCA8K_GLOBAL_FC_GOL_XON_THRES_S |
+			  QCA8K_GLOBAL_FC_GOL_XOFF_THRES_S,
+			  mask);
+	}
+
 	/* Setup our port MTUs to match power on defaults */
 	for (i = 0; i < QCA8K_NUM_PORTS; i++)
 		priv->port_mtu[i] = ETH_FRAME_LEN + ETH_FCS_LEN;
diff --git a/drivers/net/dsa/qca8k.h b/drivers/net/dsa/qca8k.h
index 34c5522e7202..5fb68dbfa85a 100644
--- a/drivers/net/dsa/qca8k.h
+++ b/drivers/net/dsa/qca8k.h
@@ -166,6 +166,12 @@
 #define   QCA8K_PORT_LOOKUP_STATE			GENMASK(18, 16)
 #define   QCA8K_PORT_LOOKUP_LEARN			BIT(20)
 
+#define QCA8K_REG_GLOBAL_FC_THRESH			0x800
+#define   QCA8K_GLOBAL_FC_GOL_XON_THRES(x)		((x) << 16)
+#define   QCA8K_GLOBAL_FC_GOL_XON_THRES_S		GENMASK(24, 16)
+#define   QCA8K_GLOBAL_FC_GOL_XOFF_THRES(x)		((x) << 0)
+#define   QCA8K_GLOBAL_FC_GOL_XOFF_THRES_S		GENMASK(8, 0)
+
 #define QCA8K_REG_PORT_HOL_CTRL0(_i)			(0x970 + (_i) * 0x8)
 #define   QCA8K_PORT_HOL_CTRL0_EG_PRI0_BUF		GENMASK(3, 0)
 #define   QCA8K_PORT_HOL_CTRL0_EG_PRI0(x)		((x) << 0)
@@ -242,6 +248,7 @@ struct qca8k_match_data {
 };
 
 struct qca8k_priv {
+	u8 switch_revision;
 	struct regmap *regmap;
 	struct mii_bus *bus;
 	struct ar8xxx_port_status port_sts[QCA8K_NUM_PORTS];
-- 
2.30.2


  parent reply	other threads:[~2021-05-04 22:30 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-04 22:28 [RFC PATCH net-next v3 01/20] net: mdio: ipq8064: clean whitespaces in define Ansuel Smith
2021-05-04 22:28 ` [RFC PATCH net-next v3 02/20] net: mdio: ipq8064: add regmap config to disable REGCACHE Ansuel Smith
2021-05-04 22:28 ` [RFC PATCH net-next v3 03/20] net: mdio: ipq8064: enlarge sleep after read/write operation Ansuel Smith
2021-05-04 22:28 ` [RFC PATCH net-next v3 04/20] net: dsa: qca8k: handle qca8k_set_page errors Ansuel Smith
2021-05-05  0:25   ` Andrew Lunn
2021-05-05  0:26     ` Andrew Lunn
2021-05-04 22:28 ` [RFC PATCH net-next v3 05/20] net: dsa: qca8k: handle error with qca8k_read operation Ansuel Smith
2021-05-05  0:36   ` Andrew Lunn
2021-05-05  0:44     ` Ansuel Smith
2021-05-04 22:29 ` [RFC PATCH net-next v3 06/20] net: dsa: qca8k: handle error with qca8k_write operation Ansuel Smith
2021-05-05  0:41   ` Andrew Lunn
2021-05-05  0:47     ` Ansuel Smith
2021-05-06 11:19       ` Vladimir Oltean
2021-05-04 22:29 ` [RFC PATCH net-next v3 07/20] net: dsa: qca8k: handle error with qca8k_rmw operation Ansuel Smith
2021-05-05  0:46   ` Andrew Lunn
2021-05-05  0:51     ` Ansuel Smith
2021-05-04 22:29 ` [RFC PATCH net-next v3 08/20] net: dsa: qca8k: add support for qca8327 switch Ansuel Smith
2021-05-05  0:48   ` Andrew Lunn
2021-05-06 11:20   ` Vladimir Oltean
2021-05-04 22:29 ` [RFC PATCH net-next v3 09/20] devicetree: net: dsa: qca8k: Document new compatible qca8327 Ansuel Smith
2021-05-05  0:48   ` Andrew Lunn
2021-05-06 21:07   ` Rob Herring
2021-05-04 22:29 ` [RFC PATCH net-next v3 10/20] net: dsa: qca8k: add priority tweak to qca8337 switch Ansuel Smith
2021-05-05  0:53   ` Andrew Lunn
2021-05-06 11:16   ` Vladimir Oltean
2021-05-04 22:29 ` Ansuel Smith [this message]
2021-05-05  0:54   ` [RFC PATCH net-next v3 11/20] net: dsa: qca8k: add GLOBAL_FC settings needed for qca8327 Andrew Lunn
2021-05-04 22:29 ` [RFC PATCH net-next v3 12/20] net: dsa: qca8k: add support for switch rev Ansuel Smith
2021-05-04 22:29 ` [RFC PATCH net-next v3 13/20] net: dsa: qca8k: make rgmii delay configurable Ansuel Smith
2021-05-05  1:00   ` Andrew Lunn
2021-05-05  1:07     ` Ansuel Smith
2021-05-06 11:10   ` Vladimir Oltean
2021-05-06 21:53     ` Ansuel Smith
2021-05-07  8:51       ` Vladimir Oltean
2021-05-04 22:29 ` [RFC PATCH net-next v3 14/20] net: dsa: qca8k: clear MASTER_EN after phy read/write Ansuel Smith
2021-05-04 22:29 ` [RFC PATCH net-next v3 15/20] net: dsa: qca8k: dsa: qca8k: protect MASTER busy_wait with mdio mutex Ansuel Smith
2021-05-05  1:04   ` Andrew Lunn
2021-05-04 22:29 ` [RFC PATCH net-next v3 16/20] net: dsa: qca8k: enlarge mdio delay and timeout Ansuel Smith
2021-05-06 11:27   ` Vladimir Oltean
2021-05-04 22:29 ` [RFC PATCH net-next v3 17/20] net: phy: phylink: permit to pass dev_flags to phylink_connect_phy Ansuel Smith
2021-05-04 22:33   ` Florian Fainelli
2021-05-05  0:35     ` Ansuel Smith
2021-05-04 22:29 ` [RFC PATCH net-next v3 18/20] net: dsa: slave: pass dev_flags also to internal PHY Ansuel Smith
2021-05-04 22:29 ` [RFC PATCH net-next v3 19/20] net: dsa: qca8k: pass switch_revision info to phy dev_flags Ansuel Smith
2021-05-06 11:24   ` Vladimir Oltean
2021-05-07 23:26     ` Ansuel Smith
2021-05-07 23:33       ` Russell King - ARM Linux admin
2021-05-07 23:51         ` Ansuel Smith
2021-05-08 17:31           ` Andrew Lunn
2021-05-08 18:26         ` Vladimir Oltean
2021-05-08 19:39           ` Russell King - ARM Linux admin
2021-05-08 20:55             ` Andrew Lunn
2021-05-07  9:44   ` Russell King - ARM Linux admin
2021-05-04 22:29 ` [RFC PATCH net-next v3 20/20] net: phy: add qca8k driver for qca8k switch internal PHY Ansuel Smith
2021-05-05  1:11   ` Andrew Lunn
2021-05-05  1:17     ` Ansuel Smith
2021-05-05 12:06       ` Andrew Lunn
2021-05-05  0:17 ` [RFC PATCH net-next v3 01/20] net: mdio: ipq8064: clean whitespaces in define Andrew Lunn

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