[PATCH AUTOSEL 4.19 26/66] net: dsa: bcm_sf2: Also configure Port 5 for 2Gb/sec on 7278

Sasha Levin
2020-04-11T23:24:28Z

From: Florian Fainelli <f.fainelli@gmail.com>

[ Upstream commit 7458bd540fa0a90220b9e8c349d910d9dde9caf8 ]

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@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 8c69789fbe094..a5a83955a7cff 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -599,6 +599,9 @@ 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 0a1e530d52b72..c389702f07ccf 100644
--- a/drivers/net/dsa/bcm_sf2_regs.h
+++ b/drivers/net/dsa/bcm_sf2_regs.h
@@ -182,6 +182,7 @@ 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)
--
2.20.1