diff options
Diffstat (limited to 'drivers/net/dsa/bcm_sf2.c')
| -rw-r--r-- | drivers/net/dsa/bcm_sf2.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 7aecc98d0a18..32025b990437 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -205,6 +205,19 @@ static int bcm_sf2_port_setup(struct dsa_switch *ds, int port, if (port == priv->moca_port) bcm_sf2_port_intr_enable(priv, port); + /* Set per-queue pause threshold to 32 */ + core_writel(priv, 32, CORE_TXQ_THD_PAUSE_QN_PORT(port)); + + /* Set ACB threshold to 24 */ + for (i = 0; i < SF2_NUM_EGRESS_QUEUES; i++) { + reg = acb_readl(priv, ACB_QUEUE_CFG(port * + SF2_NUM_EGRESS_QUEUES + i)); + reg &= ~XOFF_THRESHOLD_MASK; + reg |= 24; + acb_writel(priv, reg, ACB_QUEUE_CFG(port * + SF2_NUM_EGRESS_QUEUES + i)); + } + return b53_enable_port(ds, port, phy); } @@ -613,6 +626,20 @@ static void bcm_sf2_sw_fixed_link_update(struct dsa_switch *ds, int port, status->pause = 1; } +static void bcm_sf2_enable_acb(struct dsa_switch *ds) +{ + struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); + u32 reg; + + /* Enable ACB globally */ + reg = acb_readl(priv, ACB_CONTROL); + reg |= (ACB_FLUSH_MASK << ACB_FLUSH_SHIFT); + acb_writel(priv, reg, ACB_CONTROL); + reg &= ~(ACB_FLUSH_MASK << ACB_FLUSH_SHIFT); + reg |= ACB_EN | ACB_ALGORITHM; + acb_writel(priv, reg, ACB_CONTROL); +} + static int bcm_sf2_sw_suspend(struct dsa_switch *ds) { struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); @@ -655,6 +682,8 @@ static int bcm_sf2_sw_resume(struct dsa_switch *ds) bcm_sf2_imp_setup(ds, port); } + bcm_sf2_enable_acb(ds); + return 0; } @@ -766,6 +795,7 @@ static int bcm_sf2_sw_setup(struct dsa_switch *ds) } bcm_sf2_sw_configure_vlan(ds); + bcm_sf2_enable_acb(ds); return 0; } |