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Message-Id: <20220909085138.3539952-2-mattias.forsblad@gmail.com>
Date: Fri, 9 Sep 2022 10:51:33 +0200
From: Mattias Forsblad <mattias.forsblad@...il.com>
To: netdev@...r.kernel.org
Cc: Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
Vladimir Oltean <olteanv@...il.com>,
"David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Mattias Forsblad <mattias.forsblad@...il.com>
Subject: [PATCH net-next v8 1/6] net: dsa: mv88e6xxx: Add RMU enable for select switches.
Add RMU enable functionality for some Marvell SOHO switches.
Reviewed-by: Andrew Lunn <andrew@...n.ch>
Signed-off-by: Mattias Forsblad <mattias.forsblad@...il.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 6 +++
drivers/net/dsa/mv88e6xxx/chip.h | 1 +
drivers/net/dsa/mv88e6xxx/global1.c | 64 +++++++++++++++++++++++++++++
drivers/net/dsa/mv88e6xxx/global1.h | 3 ++
4 files changed, 74 insertions(+)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 6f4ea39ab466..46e12b53a9e4 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -4098,6 +4098,7 @@ static const struct mv88e6xxx_ops mv88e6085_ops = {
.ppu_disable = mv88e6185_g1_ppu_disable,
.reset = mv88e6185_g1_reset,
.rmu_disable = mv88e6085_g1_rmu_disable,
+ .rmu_enable = mv88e6085_g1_rmu_enable,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.stu_getnext = mv88e6352_g1_stu_getnext,
@@ -4181,6 +4182,7 @@ static const struct mv88e6xxx_ops mv88e6097_ops = {
.pot_clear = mv88e6xxx_g2_pot_clear,
.reset = mv88e6352_g1_reset,
.rmu_disable = mv88e6085_g1_rmu_disable,
+ .rmu_enable = mv88e6085_g1_rmu_enable,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.phylink_get_caps = mv88e6095_phylink_get_caps,
@@ -5300,6 +5302,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
.pot_clear = mv88e6xxx_g2_pot_clear,
.reset = mv88e6352_g1_reset,
.rmu_disable = mv88e6352_g1_rmu_disable,
+ .rmu_enable = mv88e6352_g1_rmu_enable,
.atu_get_hash = mv88e6165_g1_atu_get_hash,
.atu_set_hash = mv88e6165_g1_atu_set_hash,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
@@ -5367,6 +5370,7 @@ static const struct mv88e6xxx_ops mv88e6390_ops = {
.pot_clear = mv88e6xxx_g2_pot_clear,
.reset = mv88e6352_g1_reset,
.rmu_disable = mv88e6390_g1_rmu_disable,
+ .rmu_enable = mv88e6390_g1_rmu_enable,
.atu_get_hash = mv88e6165_g1_atu_get_hash,
.atu_set_hash = mv88e6165_g1_atu_set_hash,
.vtu_getnext = mv88e6390_g1_vtu_getnext,
@@ -5434,6 +5438,7 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = {
.pot_clear = mv88e6xxx_g2_pot_clear,
.reset = mv88e6352_g1_reset,
.rmu_disable = mv88e6390_g1_rmu_disable,
+ .rmu_enable = mv88e6390_g1_rmu_enable,
.atu_get_hash = mv88e6165_g1_atu_get_hash,
.atu_set_hash = mv88e6165_g1_atu_set_hash,
.vtu_getnext = mv88e6390_g1_vtu_getnext,
@@ -5504,6 +5509,7 @@ static const struct mv88e6xxx_ops mv88e6393x_ops = {
.pot_clear = mv88e6xxx_g2_pot_clear,
.reset = mv88e6352_g1_reset,
.rmu_disable = mv88e6390_g1_rmu_disable,
+ .rmu_enable = mv88e6390_g1_rmu_enable,
.atu_get_hash = mv88e6165_g1_atu_get_hash,
.atu_set_hash = mv88e6165_g1_atu_set_hash,
.vtu_getnext = mv88e6390_g1_vtu_getnext,
diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index e693154cf803..7ce3c41f6caf 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -637,6 +637,7 @@ struct mv88e6xxx_ops {
/* Remote Management Unit operations */
int (*rmu_disable)(struct mv88e6xxx_chip *chip);
+ int (*rmu_enable)(struct mv88e6xxx_chip *chip, int port);
/* Precision Time Protocol operations */
const struct mv88e6xxx_ptp_ops *ptp_ops;
diff --git a/drivers/net/dsa/mv88e6xxx/global1.c b/drivers/net/dsa/mv88e6xxx/global1.c
index 5848112036b0..b808009a6098 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.c
+++ b/drivers/net/dsa/mv88e6xxx/global1.c
@@ -466,18 +466,82 @@ int mv88e6085_g1_rmu_disable(struct mv88e6xxx_chip *chip)
MV88E6085_G1_CTL2_RM_ENABLE, 0);
}
+int mv88e6085_g1_rmu_enable(struct mv88e6xxx_chip *chip, int upstream_port)
+{
+ int val = MV88E6352_G1_CTL2_RMU_MODE_DISABLED;
+
+ switch (upstream_port) {
+ case 9:
+ val = MV88E6085_G1_CTL2_RM_ENABLE;
+ break;
+ case 10:
+ val = MV88E6085_G1_CTL2_RM_ENABLE | MV88E6085_G1_CTL2_P10RM;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return mv88e6xxx_g1_ctl2_mask(chip, MV88E6085_G1_CTL2_P10RM |
+ MV88E6085_G1_CTL2_RM_ENABLE, val);
+}
+
int mv88e6352_g1_rmu_disable(struct mv88e6xxx_chip *chip)
{
return mv88e6xxx_g1_ctl2_mask(chip, MV88E6352_G1_CTL2_RMU_MODE_MASK,
MV88E6352_G1_CTL2_RMU_MODE_DISABLED);
}
+int mv88e6352_g1_rmu_enable(struct mv88e6xxx_chip *chip, int upstream_port)
+{
+ int val = MV88E6352_G1_CTL2_RMU_MODE_DISABLED;
+
+ switch (upstream_port) {
+ case 4:
+ val = MV88E6352_G1_CTL2_RMU_MODE_PORT_4;
+ break;
+ case 5:
+ val = MV88E6352_G1_CTL2_RMU_MODE_PORT_5;
+ break;
+ case 6:
+ val = MV88E6352_G1_CTL2_RMU_MODE_PORT_6;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return mv88e6xxx_g1_ctl2_mask(chip, MV88E6352_G1_CTL2_RMU_MODE_MASK, val);
+}
+
int mv88e6390_g1_rmu_disable(struct mv88e6xxx_chip *chip)
{
return mv88e6xxx_g1_ctl2_mask(chip, MV88E6390_G1_CTL2_RMU_MODE_MASK,
MV88E6390_G1_CTL2_RMU_MODE_DISABLED);
}
+int mv88e6390_g1_rmu_enable(struct mv88e6xxx_chip *chip, int upstream_port)
+{
+ int val = MV88E6390_G1_CTL2_RMU_MODE_DISABLED;
+
+ switch (upstream_port) {
+ case 0:
+ val = MV88E6390_G1_CTL2_RMU_MODE_PORT_0;
+ break;
+ case 1:
+ val = MV88E6390_G1_CTL2_RMU_MODE_PORT_1;
+ break;
+ case 9:
+ val = MV88E6390_G1_CTL2_RMU_MODE_PORT_9;
+ break;
+ case 10:
+ val = MV88E6390_G1_CTL2_RMU_MODE_PORT_10;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return mv88e6xxx_g1_ctl2_mask(chip, MV88E6390_G1_CTL2_RMU_MODE_MASK, val);
+}
+
int mv88e6390_g1_stats_set_histogram(struct mv88e6xxx_chip *chip)
{
return mv88e6xxx_g1_ctl2_mask(chip, MV88E6390_G1_CTL2_HIST_MODE_MASK,
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 65958b2a0d3a..29c0c8acb583 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -313,8 +313,11 @@ int mv88e6250_g1_ieee_pri_map(struct mv88e6xxx_chip *chip);
int mv88e6185_g1_set_cascade_port(struct mv88e6xxx_chip *chip, int port);
int mv88e6085_g1_rmu_disable(struct mv88e6xxx_chip *chip);
+int mv88e6085_g1_rmu_enable(struct mv88e6xxx_chip *chip, int upstream_port);
int mv88e6352_g1_rmu_disable(struct mv88e6xxx_chip *chip);
+int mv88e6352_g1_rmu_enable(struct mv88e6xxx_chip *chip, int upstream_port);
int mv88e6390_g1_rmu_disable(struct mv88e6xxx_chip *chip);
+int mv88e6390_g1_rmu_enable(struct mv88e6xxx_chip *chip, int upstream_port);
int mv88e6xxx_g1_set_device_number(struct mv88e6xxx_chip *chip, int index);
--
2.25.1
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