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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-10-08 19:48:27 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-10-08 19:48:27 +0300
commitddf92a2ebaa11a494946f6f153a23d36b7801d5b (patch)
tree2981a5732a586b3e83ce4e33ec529138abbbba64 /drivers/net/dsa/microchip
parent3b232d34011a152832ba40289e9d476dfcb846d2 (diff)
parent7aa21fec187b7bc2a55be4daad4585098e2f47df (diff)
downloadlinux-rolling-stable.tar.xz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/dsa/microchip')
-rw-r--r--drivers/net/dsa/microchip/ksz9477_i2c.c4
-rw-r--r--drivers/net/dsa/microchip/ksz_common.c3
-rw-r--r--drivers/net/dsa/microchip/ksz_common.h7
-rw-r--r--drivers/net/dsa/microchip/ksz_ptp.c2
-rw-r--r--drivers/net/dsa/microchip/ksz_ptp.h2
-rw-r--r--drivers/net/dsa/microchip/lan937x_main.c32
-rw-r--r--drivers/net/dsa/microchip/lan937x_reg.h5
7 files changed, 42 insertions, 13 deletions
diff --git a/drivers/net/dsa/microchip/ksz9477_i2c.c b/drivers/net/dsa/microchip/ksz9477_i2c.c
index 82bebee4615c..7d7560f23a73 100644
--- a/drivers/net/dsa/microchip/ksz9477_i2c.c
+++ b/drivers/net/dsa/microchip/ksz9477_i2c.c
@@ -72,8 +72,8 @@ static void ksz9477_i2c_shutdown(struct i2c_client *i2c)
}
static const struct i2c_device_id ksz9477_i2c_id[] = {
- { "ksz9477-switch", 0 },
- {},
+ { "ksz9477-switch" },
+ {}
};
MODULE_DEVICE_TABLE(i2c, ksz9477_i2c_id);
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 3103e1b32d0b..1491099528be 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -3127,7 +3127,8 @@ static void ksz_set_xmii(struct ksz_device *dev, int port,
/* On KSZ9893, disable RGMII in-band status support */
if (dev->chip_id == KSZ9893_CHIP_ID ||
dev->chip_id == KSZ8563_CHIP_ID ||
- dev->chip_id == KSZ9563_CHIP_ID)
+ dev->chip_id == KSZ9563_CHIP_ID ||
+ is_lan937x(dev))
data8 &= ~P_MII_MAC_MODE;
break;
default:
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index ee7db46e469d..5f0a628b9849 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h
@@ -22,6 +22,7 @@
/* all KSZ switches count ports from 1 */
#define KSZ_PORT_1 0
#define KSZ_PORT_2 1
+#define KSZ_PORT_4 3
struct ksz_device;
struct ksz_port;
@@ -637,6 +638,12 @@ static inline int is_lan937x(struct ksz_device *dev)
dev->chip_id == LAN9374_CHIP_ID;
}
+static inline bool is_lan937x_tx_phy(struct ksz_device *dev, int port)
+{
+ return (dev->chip_id == LAN9371_CHIP_ID ||
+ dev->chip_id == LAN9372_CHIP_ID) && port == KSZ_PORT_4;
+}
+
/* STP State Defines */
#define PORT_TX_ENABLE BIT(2)
#define PORT_RX_ENABLE BIT(1)
diff --git a/drivers/net/dsa/microchip/ksz_ptp.c b/drivers/net/dsa/microchip/ksz_ptp.c
index beb969f391be..050f17c43ef6 100644
--- a/drivers/net/dsa/microchip/ksz_ptp.c
+++ b/drivers/net/dsa/microchip/ksz_ptp.c
@@ -290,7 +290,7 @@ static int ksz_ptp_enable_mode(struct ksz_device *dev)
/* The function is return back the capability of timestamping feature when
* requested through ethtool -T <interface> utility
*/
-int ksz_get_ts_info(struct dsa_switch *ds, int port, struct ethtool_ts_info *ts)
+int ksz_get_ts_info(struct dsa_switch *ds, int port, struct kernel_ethtool_ts_info *ts)
{
struct ksz_device *dev = ds->priv;
struct ksz_ptp_data *ptp_data;
diff --git a/drivers/net/dsa/microchip/ksz_ptp.h b/drivers/net/dsa/microchip/ksz_ptp.h
index 0ca8ca4f804e..2f1783c0d723 100644
--- a/drivers/net/dsa/microchip/ksz_ptp.h
+++ b/drivers/net/dsa/microchip/ksz_ptp.h
@@ -38,7 +38,7 @@ int ksz_ptp_clock_register(struct dsa_switch *ds);
void ksz_ptp_clock_unregister(struct dsa_switch *ds);
int ksz_get_ts_info(struct dsa_switch *ds, int port,
- struct ethtool_ts_info *ts);
+ struct kernel_ethtool_ts_info *ts);
int ksz_hwtstamp_get(struct dsa_switch *ds, int port, struct ifreq *ifr);
int ksz_hwtstamp_set(struct dsa_switch *ds, int port, struct ifreq *ifr);
void ksz_port_txtstamp(struct dsa_switch *ds, int port, struct sk_buff *skb);
diff --git a/drivers/net/dsa/microchip/lan937x_main.c b/drivers/net/dsa/microchip/lan937x_main.c
index b479a628b1ae..824d9309a3d3 100644
--- a/drivers/net/dsa/microchip/lan937x_main.c
+++ b/drivers/net/dsa/microchip/lan937x_main.c
@@ -55,6 +55,9 @@ static int lan937x_vphy_ind_addr_wr(struct ksz_device *dev, int addr, int reg)
u16 addr_base = REG_PORT_T1_PHY_CTRL_BASE;
u16 temp;
+ if (is_lan937x_tx_phy(dev, addr))
+ addr_base = REG_PORT_TX_PHY_CTRL_BASE;
+
/* get register address based on the logical port */
temp = PORT_CTRL_ADDR(addr, (addr_base + (reg << 2)));
@@ -320,6 +323,9 @@ void lan937x_phylink_get_caps(struct ksz_device *dev, int port,
/* MII/RMII/RGMII ports */
config->mac_capabilities |= MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
MAC_100HD | MAC_10 | MAC_1000FD;
+ } else if (is_lan937x_tx_phy(dev, port)) {
+ config->mac_capabilities |= MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_100HD | MAC_10;
}
}
@@ -370,23 +376,33 @@ int lan937x_setup(struct dsa_switch *ds)
ds->vlan_filtering_is_global = true;
/* Enable aggressive back off for half duplex & UNH mode */
- lan937x_cfg(dev, REG_SW_MAC_CTRL_0,
- (SW_PAUSE_UNH_MODE | SW_NEW_BACKOFF | SW_AGGR_BACKOFF),
- true);
+ ret = lan937x_cfg(dev, REG_SW_MAC_CTRL_0, (SW_PAUSE_UNH_MODE |
+ SW_NEW_BACKOFF |
+ SW_AGGR_BACKOFF), true);
+ if (ret < 0)
+ return ret;
/* If NO_EXC_COLLISION_DROP bit is set, the switch will not drop
* packets when 16 or more collisions occur
*/
- lan937x_cfg(dev, REG_SW_MAC_CTRL_1, NO_EXC_COLLISION_DROP, true);
+ ret = lan937x_cfg(dev, REG_SW_MAC_CTRL_1, NO_EXC_COLLISION_DROP, true);
+ if (ret < 0)
+ return ret;
/* enable global MIB counter freeze function */
- lan937x_cfg(dev, REG_SW_MAC_CTRL_6, SW_MIB_COUNTER_FREEZE, true);
+ ret = lan937x_cfg(dev, REG_SW_MAC_CTRL_6, SW_MIB_COUNTER_FREEZE, true);
+ if (ret < 0)
+ return ret;
/* disable CLK125 & CLK25, 1: disable, 0: enable */
- lan937x_cfg(dev, REG_SW_GLOBAL_OUTPUT_CTRL__1,
- (SW_CLK125_ENB | SW_CLK25_ENB), true);
+ ret = lan937x_cfg(dev, REG_SW_GLOBAL_OUTPUT_CTRL__1,
+ (SW_CLK125_ENB | SW_CLK25_ENB), true);
+ if (ret < 0)
+ return ret;
- return 0;
+ /* Disable global VPHY support. Related to CPU interface only? */
+ return ksz_rmw32(dev, REG_SW_CFG_STRAP_OVR, SW_VPHY_DISABLE,
+ SW_VPHY_DISABLE);
}
void lan937x_teardown(struct dsa_switch *ds)
diff --git a/drivers/net/dsa/microchip/lan937x_reg.h b/drivers/net/dsa/microchip/lan937x_reg.h
index 45b606b6429f..2f22a9d01de3 100644
--- a/drivers/net/dsa/microchip/lan937x_reg.h
+++ b/drivers/net/dsa/microchip/lan937x_reg.h
@@ -37,6 +37,10 @@
#define SW_CLK125_ENB BIT(1)
#define SW_CLK25_ENB BIT(0)
+/* 2 - PHY Control */
+#define REG_SW_CFG_STRAP_OVR 0x0214
+#define SW_VPHY_DISABLE BIT(31)
+
/* 3 - Operation Control */
#define REG_SW_OPERATION 0x0300
@@ -147,6 +151,7 @@
/* 1 - Phy */
#define REG_PORT_T1_PHY_CTRL_BASE 0x0100
+#define REG_PORT_TX_PHY_CTRL_BASE 0x0280
/* 3 - xMII */
#define PORT_SGMII_SEL BIT(7)