linux-kernel - [PATCH net-next] net: dsa: bcm_sf2: Also configure Port 5 for 2Gb/sec on 7278

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Date:   Fri, 14 Feb 2020 16:32:29 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH net-next] net: dsa: bcm_sf2: Also configure Port 5 for 2Gb/sec on 7278

Either port 5 or port 8 can be used on a 7278 device, make sure that
port 5 also gets configured properly for 2Gb/sec in that case.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/net/dsa/bcm_sf2.c      | 3 +++
 drivers/net/dsa/bcm_sf2_regs.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index d1955543acd1..6feaf8cb0809 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -616,6 +616,9 @@ static void bcm_sf2_sw_mac_config(struct dsa_switch *ds, int port,
 	if (state->duplex == DUPLEX_FULL)
 		reg |= DUPLX_MODE;
 
+	if (priv->type == BCM7278_DEVICE_ID && dsa_is_cpu_port(ds, port))
+		reg |= GMIIP_SPEED_UP_2G;
+
 	core_writel(priv, reg, offset);
 }
 
diff --git a/drivers/net/dsa/bcm_sf2_regs.h b/drivers/net/dsa/bcm_sf2_regs.h
index d8a5e6269c0e..784478176335 100644
--- a/drivers/net/dsa/bcm_sf2_regs.h
+++ b/drivers/net/dsa/bcm_sf2_regs.h
@@ -178,6 +178,7 @@ enum bcm_sf2_reg_offs {
 #define  RXFLOW_CNTL			(1 << 4)
 #define  TXFLOW_CNTL			(1 << 5)
 #define  SW_OVERRIDE			(1 << 6)
+#define  GMIIP_SPEED_UP_2G		(1 << 7)
 
 #define CORE_WATCHDOG_CTRL		0x001e4
 #define  SOFTWARE_RESET			(1 << 7)
-- 
2.17.1