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-rw-r--r--drivers/net/dsa/bcm_sf2.c138
-rw-r--r--drivers/net/dsa/bcm_sf2.h3
-rw-r--r--drivers/net/dsa/bcm_sf2_regs.h3
-rw-r--r--include/net/dsa.h17
-rw-r--r--net/dsa/slave.c60
5 files changed, 203 insertions, 18 deletions
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index d9b7da545063..b9625968daac 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -135,10 +135,29 @@ static char *bcm_sf2_sw_probe(struct device *host_dev, int sw_addr)
return "Broadcom Starfighter 2";
}
-static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port)
+static void bcm_sf2_imp_vlan_setup(struct dsa_switch *ds, int cpu_port)
{
struct bcm_sf2_priv *priv = ds_to_priv(ds);
unsigned int i;
+ u32 reg;
+
+ /* Enable the IMP Port to be in the same VLAN as the other ports
+ * on a per-port basis such that we only have Port i and IMP in
+ * the same VLAN.
+ */
+ for (i = 0; i < priv->hw_params.num_ports; i++) {
+ if (!((1 << i) & ds->phys_port_mask))
+ continue;
+
+ reg = core_readl(priv, CORE_PORT_VLAN_CTL_PORT(i));
+ reg |= (1 << cpu_port);
+ core_writel(priv, reg, CORE_PORT_VLAN_CTL_PORT(i));
+ }
+}
+
+static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port)
+{
+ struct bcm_sf2_priv *priv = ds_to_priv(ds);
u32 reg, val;
/* Enable the port memories */
@@ -199,24 +218,26 @@ static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port)
reg = core_readl(priv, CORE_STS_OVERRIDE_IMP);
reg |= (MII_SW_OR | LINK_STS);
core_writel(priv, reg, CORE_STS_OVERRIDE_IMP);
+}
- /* Enable the IMP Port to be in the same VLAN as the other ports
- * on a per-port basis such that we only have Port i and IMP in
- * the same VLAN.
- */
- for (i = 0; i < priv->hw_params.num_ports; i++) {
- if (!((1 << i) & ds->phys_port_mask))
- continue;
+static void bcm_sf2_eee_enable_set(struct dsa_switch *ds, int port, bool enable)
+{
+ struct bcm_sf2_priv *priv = ds_to_priv(ds);
+ u32 reg;
- reg = core_readl(priv, CORE_PORT_VLAN_CTL_PORT(i));
- reg |= (1 << port);
- core_writel(priv, reg, CORE_PORT_VLAN_CTL_PORT(i));
- }
+ reg = core_readl(priv, CORE_EEE_EN_CTRL);
+ if (enable)
+ reg |= 1 << port;
+ else
+ reg &= ~(1 << port);
+ core_writel(priv, reg, CORE_EEE_EN_CTRL);
}
-static void bcm_sf2_port_setup(struct dsa_switch *ds, int port)
+static int bcm_sf2_port_setup(struct dsa_switch *ds, int port,
+ struct phy_device *phy)
{
struct bcm_sf2_priv *priv = ds_to_priv(ds);
+ s8 cpu_port = ds->dst[ds->index].cpu_port;
u32 reg;
/* Clear the memory power down */
@@ -236,9 +257,18 @@ static void bcm_sf2_port_setup(struct dsa_switch *ds, int port)
reg &= ~PORT_VLAN_CTRL_MASK;
reg |= (1 << port);
core_writel(priv, reg, CORE_PORT_VLAN_CTL_PORT(port));
+
+ bcm_sf2_imp_vlan_setup(ds, cpu_port);
+
+ /* If EEE was enabled, restore it */
+ if (priv->port_sts[port].eee.eee_enabled)
+ bcm_sf2_eee_enable_set(ds, port, true);
+
+ return 0;
}
-static void bcm_sf2_port_disable(struct dsa_switch *ds, int port)
+static void bcm_sf2_port_disable(struct dsa_switch *ds, int port,
+ struct phy_device *phy)
{
struct bcm_sf2_priv *priv = ds_to_priv(ds);
u32 off, reg;
@@ -246,6 +276,11 @@ static void bcm_sf2_port_disable(struct dsa_switch *ds, int port)
if (priv->wol_ports_mask & (1 << port))
return;
+ if (port == 7) {
+ intrl2_1_mask_set(priv, P_IRQ_MASK(P7_IRQ_OFF));
+ intrl2_1_writel(priv, P_IRQ_MASK(P7_IRQ_OFF), INTRL2_CPU_CLEAR);
+ }
+
if (dsa_is_cpu_port(ds, port))
off = CORE_IMP_CTL;
else
@@ -261,6 +296,60 @@ static void bcm_sf2_port_disable(struct dsa_switch *ds, int port)
core_writel(priv, reg, CORE_MEM_PSM_VDD_CTRL);
}
+/* Returns 0 if EEE was not enabled, or 1 otherwise
+ */
+static int bcm_sf2_eee_init(struct dsa_switch *ds, int port,
+ struct phy_device *phy)
+{
+ struct bcm_sf2_priv *priv = ds_to_priv(ds);
+ struct ethtool_eee *p = &priv->port_sts[port].eee;
+ int ret;
+
+ p->supported = (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full);
+
+ ret = phy_init_eee(phy, 0);
+ if (ret)
+ return 0;
+
+ bcm_sf2_eee_enable_set(ds, port, true);
+
+ return 1;
+}
+
+static int bcm_sf2_sw_get_eee(struct dsa_switch *ds, int port,
+ struct ethtool_eee *e)
+{
+ struct bcm_sf2_priv *priv = ds_to_priv(ds);
+ struct ethtool_eee *p = &priv->port_sts[port].eee;
+ u32 reg;
+
+ reg = core_readl(priv, CORE_EEE_LPI_INDICATE);
+ e->eee_enabled = p->eee_enabled;
+ e->eee_active = !!(reg & (1 << port));
+
+ return 0;
+}
+
+static int bcm_sf2_sw_set_eee(struct dsa_switch *ds, int port,
+ struct phy_device *phydev,
+ struct ethtool_eee *e)
+{
+ struct bcm_sf2_priv *priv = ds_to_priv(ds);
+ struct ethtool_eee *p = &priv->port_sts[port].eee;
+
+ p->eee_enabled = e->eee_enabled;
+
+ if (!p->eee_enabled) {
+ bcm_sf2_eee_enable_set(ds, port, false);
+ } else {
+ p->eee_enabled = bcm_sf2_eee_init(ds, port, phydev);
+ if (!p->eee_enabled)
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
static irqreturn_t bcm_sf2_switch_0_isr(int irq, void *dev_id)
{
struct bcm_sf2_priv *priv = dev_id;
@@ -363,11 +452,11 @@ static int bcm_sf2_sw_setup(struct dsa_switch *ds)
for (port = 0; port < priv->hw_params.num_ports; port++) {
/* IMP port receives special treatment */
if ((1 << port) & ds->phys_port_mask)
- bcm_sf2_port_setup(ds, port);
+ bcm_sf2_port_setup(ds, port, NULL);
else if (dsa_is_cpu_port(ds, port))
bcm_sf2_imp_setup(ds, port);
else
- bcm_sf2_port_disable(ds, port);
+ bcm_sf2_port_disable(ds, port, NULL);
}
/* Include the pseudo-PHY address and the broadcast PHY address to
@@ -506,6 +595,15 @@ static void bcm_sf2_sw_adjust_link(struct dsa_switch *ds, int port,
port_mode = EXT_REVMII;
break;
default:
+ /* All other PHYs: internal and MoCA */
+ goto force_link;
+ }
+
+ /* If the link is down, just disable the interface to conserve power */
+ if (!phydev->link) {
+ reg = reg_readl(priv, REG_RGMII_CNTRL_P(port));
+ reg &= ~RGMII_MODE_EN;
+ reg_writel(priv, reg, REG_RGMII_CNTRL_P(port));
goto force_link;
}
@@ -629,7 +727,7 @@ static int bcm_sf2_sw_suspend(struct dsa_switch *ds)
for (port = 0; port < DSA_MAX_PORTS; port++) {
if ((1 << port) & ds->phys_port_mask ||
dsa_is_cpu_port(ds, port))
- bcm_sf2_port_disable(ds, port);
+ bcm_sf2_port_disable(ds, port, NULL);
}
return 0;
@@ -685,7 +783,7 @@ static int bcm_sf2_sw_resume(struct dsa_switch *ds)
for (port = 0; port < DSA_MAX_PORTS; port++) {
if ((1 << port) & ds->phys_port_mask)
- bcm_sf2_port_setup(ds, port);
+ bcm_sf2_port_setup(ds, port, NULL);
else if (dsa_is_cpu_port(ds, port))
bcm_sf2_imp_setup(ds, port);
}
@@ -763,6 +861,10 @@ static struct dsa_switch_driver bcm_sf2_switch_driver = {
.resume = bcm_sf2_sw_resume,
.get_wol = bcm_sf2_sw_get_wol,
.set_wol = bcm_sf2_sw_set_wol,
+ .port_enable = bcm_sf2_port_setup,
+ .port_disable = bcm_sf2_port_disable,
+ .get_eee = bcm_sf2_sw_get_eee,
+ .set_eee = bcm_sf2_sw_set_eee,
};
static int __init bcm_sf2_init(void)
diff --git a/drivers/net/dsa/bcm_sf2.h b/drivers/net/dsa/bcm_sf2.h
index 8fd6c1451a84..ee9f650d5026 100644
--- a/drivers/net/dsa/bcm_sf2.h
+++ b/drivers/net/dsa/bcm_sf2.h
@@ -18,6 +18,7 @@
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <linux/mii.h>
+#include <linux/ethtool.h>
#include <net/dsa.h>
@@ -43,6 +44,8 @@ struct bcm_sf2_hw_params {
struct bcm_sf2_port_status {
unsigned int link;
+
+ struct ethtool_eee eee;
};
struct bcm_sf2_priv {
diff --git a/drivers/net/dsa/bcm_sf2_regs.h b/drivers/net/dsa/bcm_sf2_regs.h
index c65f138c777f..1bb49cb699ab 100644
--- a/drivers/net/dsa/bcm_sf2_regs.h
+++ b/drivers/net/dsa/bcm_sf2_regs.h
@@ -225,4 +225,7 @@
#define CORE_PORT_VLAN_CTL_PORT(x) (0xc400 + ((x) * 0x8))
#define PORT_VLAN_CTRL_MASK 0x1ff
+#define CORE_EEE_EN_CTRL 0x24800
+#define CORE_EEE_LPI_INDICATE 0x24810
+
#endif /* __BCM_SF2_REGS_H */
diff --git a/include/net/dsa.h b/include/net/dsa.h
index d8054fb4a4df..58ad8c6492db 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -224,6 +224,23 @@ struct dsa_switch_driver {
*/
int (*suspend)(struct dsa_switch *ds);
int (*resume)(struct dsa_switch *ds);
+
+ /*
+ * Port enable/disable
+ */
+ int (*port_enable)(struct dsa_switch *ds, int port,
+ struct phy_device *phy);
+ void (*port_disable)(struct dsa_switch *ds, int port,
+ struct phy_device *phy);
+
+ /*
+ * EEE setttings
+ */
+ int (*set_eee)(struct dsa_switch *ds, int port,
+ struct phy_device *phydev,
+ struct ethtool_eee *e);
+ int (*get_eee)(struct dsa_switch *ds, int port,
+ struct ethtool_eee *e);
};
void register_switch_driver(struct dsa_switch_driver *type);
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 43c1e4ade689..36953c84ff2d 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -62,6 +62,7 @@ static int dsa_slave_open(struct net_device *dev)
{
struct dsa_slave_priv *p = netdev_priv(dev);
struct net_device *master = p->parent->dst->master_netdev;
+ struct dsa_switch *ds = p->parent;
int err;
if (!(master->flags & IFF_UP))
@@ -84,8 +85,20 @@ static int dsa_slave_open(struct net_device *dev)
goto clear_allmulti;
}
+ if (ds->drv->port_enable) {
+ err = ds->drv->port_enable(ds, p->port, p->phy);
+ if (err)
+ goto clear_promisc;
+ }
+
+ if (p->phy)
+ phy_start(p->phy);
+
return 0;
+clear_promisc:
+ if (dev->flags & IFF_PROMISC)
+ dev_set_promiscuity(master, 0);
clear_allmulti:
if (dev->flags & IFF_ALLMULTI)
dev_set_allmulti(master, -1);
@@ -100,6 +113,10 @@ static int dsa_slave_close(struct net_device *dev)
{
struct dsa_slave_priv *p = netdev_priv(dev);
struct net_device *master = p->parent->dst->master_netdev;
+ struct dsa_switch *ds = p->parent;
+
+ if (p->phy)
+ phy_stop(p->phy);
dev_mc_unsync(master, dev);
dev_uc_unsync(master, dev);
@@ -111,6 +128,9 @@ static int dsa_slave_close(struct net_device *dev)
if (!ether_addr_equal(dev->dev_addr, master->dev_addr))
dev_uc_del(master, dev->dev_addr);
+ if (ds->drv->port_disable)
+ ds->drv->port_disable(ds, p->port, p->phy);
+
return 0;
}
@@ -322,6 +342,44 @@ static int dsa_slave_set_wol(struct net_device *dev, struct ethtool_wolinfo *w)
return ret;
}
+static int dsa_slave_set_eee(struct net_device *dev, struct ethtool_eee *e)
+{
+ struct dsa_slave_priv *p = netdev_priv(dev);
+ struct dsa_switch *ds = p->parent;
+ int ret;
+
+ if (!ds->drv->set_eee)
+ return -EOPNOTSUPP;
+
+ ret = ds->drv->set_eee(ds, p->port, p->phy, e);
+ if (ret)
+ return ret;
+
+ if (p->phy)
+ ret = phy_ethtool_set_eee(p->phy, e);
+
+ return ret;
+}
+
+static int dsa_slave_get_eee(struct net_device *dev, struct ethtool_eee *e)
+{
+ struct dsa_slave_priv *p = netdev_priv(dev);
+ struct dsa_switch *ds = p->parent;
+ int ret;
+
+ if (!ds->drv->get_eee)
+ return -EOPNOTSUPP;
+
+ ret = ds->drv->get_eee(ds, p->port, e);
+ if (ret)
+ return ret;
+
+ if (p->phy)
+ ret = phy_ethtool_get_eee(p->phy, e);
+
+ return ret;
+}
+
static const struct ethtool_ops dsa_slave_ethtool_ops = {
.get_settings = dsa_slave_get_settings,
.set_settings = dsa_slave_set_settings,
@@ -333,6 +391,8 @@ static const struct ethtool_ops dsa_slave_ethtool_ops = {
.get_sset_count = dsa_slave_get_sset_count,
.set_wol = dsa_slave_set_wol,
.get_wol = dsa_slave_get_wol,
+ .set_eee = dsa_slave_set_eee,
+ .get_eee = dsa_slave_get_eee,
};
static const struct net_device_ops dsa_slave_netdev_ops = {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 20:34:53 +0000