openwrt/target/linux/mediatek/patches-4.9/0034-net-dsa-mediatek-add-dual-gmac-support.patch
John Crispin 1f068588ef mediatek: update to latest kernel patchset from v4.13-rc
Signed-off-by: Muciri Gatimu <muciri@openmesh.com>
Signed-off-by: Shashidhar Lakkavalli <shashidhar.lakkavalli@openmesh.com>
Signed-off-by: John Crispin <john@phrozen.org>
2017-08-18 18:41:41 +02:00

92 lines
3.0 KiB
Diff

From dcb751a52b2ee69c16db2fef8f92a96ab13b6bb4 Mon Sep 17 00:00:00 2001
From: John Crispin <john@phrozen.org>
Date: Thu, 10 Aug 2017 14:45:34 +0200
Subject: [PATCH 34/57] net: dsa: mediatek: add dual gmac support
Signed-off-by: John Crispin <john@phrozen.org>
---
drivers/net/dsa/mt7530.c | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -627,7 +627,7 @@ mt7530_setup(struct dsa_switch *ds)
/* Enable Port 6 only; P5 as GMAC5 which currently is not supported */
val = mt7530_read(priv, MT7530_MHWTRAP);
- val &= ~MHWTRAP_P6_DIS & ~MHWTRAP_PHY_ACCESS;
+ val &= ~MHWTRAP_P5_DIS & ~MHWTRAP_P6_DIS & ~MHWTRAP_PHY_ACCESS;
val |= MHWTRAP_MANUAL;
if (!dsa_is_cpu_port(ds, 5)) {
val |= MHWTRAP_P5_DIS;
@@ -735,6 +735,9 @@ static int
mt7530_cpu_port_enable(struct mt7530_priv *priv,
int port)
{
+ u8 port_mask = 0;
+ int i;
+
/* Enable Mediatek header mode on the cpu port */
mt7530_write(priv, MT7530_PVC_P(port),
PORT_SPEC_TAG);
@@ -751,8 +754,12 @@ mt7530_cpu_port_enable(struct mt7530_pri
/* CPU port gets connected to all user ports of
* the switch
*/
+ for (i = 0; i < MT7530_NUM_PORTS; i++)
+ if ((priv->ds->enabled_port_mask & BIT(i)) &&
+ (dsa_port_upstream_port(priv->ds, i) == port))
+ port_mask |= BIT(i);
mt7530_write(priv, MT7530_PCR_P(port),
- PCR_MATRIX(priv->ds->enabled_port_mask));
+ PCR_MATRIX(port_mask));
return 0;
}
@@ -762,6 +769,7 @@ mt7530_port_enable(struct dsa_switch *ds
struct phy_device *phy)
{
struct mt7530_priv *priv = ds->priv;
+ u8 upstream = dsa_port_upstream_port(ds, port);
mutex_lock(&priv->reg_mutex);
@@ -772,7 +780,7 @@ mt7530_port_enable(struct dsa_switch *ds
* restore the port matrix if the port is the member of a certain
* bridge.
*/
- priv->ports[port].pm |= PCR_MATRIX(BIT(MT7530_CPU_PORT));
+ priv->ports[port].pm |= PCR_MATRIX(BIT(upstream));
priv->ports[port].enable = true;
mt7530_rmw(priv, MT7530_PCR_P(port), PCR_MATRIX_MASK,
priv->ports[port].pm);
@@ -835,7 +843,8 @@ mt7530_port_bridge_join(struct dsa_switc
struct net_device *bridge)
{
struct mt7530_priv *priv = ds->priv;
- u32 port_bitmap = BIT(MT7530_CPU_PORT);
+ u8 upstream = dsa_port_upstream_port(ds, port);
+ u32 port_bitmap = BIT(upstream);
int i;
mutex_lock(&priv->reg_mutex);
@@ -873,6 +882,7 @@ static void
mt7530_port_bridge_leave(struct dsa_switch *ds, int port)
{
struct mt7530_priv *priv = ds->priv;
+ u8 upstream = dsa_port_upstream_port(ds, port);
int i;
mutex_lock(&priv->reg_mutex);
@@ -898,8 +908,8 @@ mt7530_port_bridge_leave(struct dsa_swit
priv->bridge_dev[port] = NULL;
if (priv->ports[port].enable)
mt7530_rmw(priv, MT7530_PCR_P(port), PCR_MATRIX_MASK,
- PCR_MATRIX(BIT(MT7530_CPU_PORT)));
- priv->ports[port].pm = PCR_MATRIX(BIT(MT7530_CPU_PORT));
+ PCR_MATRIX(BIT(upstream)));
+ priv->ports[port].pm = PCR_MATRIX(BIT(upstream));
mutex_unlock(&priv->reg_mutex);
}