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authorFlorian Fainelli <f.fainelli@gmail.com>2017-01-20 12:36:31 -0800
committerDavid S. Miller <davem@davemloft.net>2017-01-22 16:58:31 -0500
commitebb2ac4f32c32364b6f522270aeb0811829bd3cb (patch)
treeb7293d1b72e4485a927b4c2fce58411c919bac5a /drivers
parentnet: dsa: bcm_sf2: Add support for BCM7278 integrated switch (diff)
downloadlinux-dev-ebb2ac4f32c32364b6f522270aeb0811829bd3cb.tar.xz
linux-dev-ebb2ac4f32c32364b6f522270aeb0811829bd3cb.zip
net: dsa: bcm_sf2: Move code enabling Broadcom tags
In preparation for enabling Broadcom tags on different ports based on configuration information, dedicate a function that is responsible for enabling Broadcom tags for a given port and update the IMP port setup to call it. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/dsa/bcm_sf2.c61
1 files changed, 34 insertions, 27 deletions
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 02afa0598b24..571e112c8e34 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -61,34 +61,9 @@ static void bcm_sf2_imp_vlan_setup(struct dsa_switch *ds, int cpu_port)
}
}
-static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port)
+static void bcm_sf2_brcm_hdr_setup(struct bcm_sf2_priv *priv, int port)
{
- struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds);
- u32 reg, val, offset;
-
- if (priv->type == BCM7445_DEVICE_ID)
- offset = CORE_STS_OVERRIDE_IMP;
- else
- offset = CORE_STS_OVERRIDE_IMP2;
-
- /* Enable the port memories */
- reg = core_readl(priv, CORE_MEM_PSM_VDD_CTRL);
- reg &= ~P_TXQ_PSM_VDD(port);
- core_writel(priv, reg, CORE_MEM_PSM_VDD_CTRL);
-
- /* Enable Broadcast, Multicast, Unicast forwarding to IMP port */
- reg = core_readl(priv, CORE_IMP_CTL);
- reg |= (RX_BCST_EN | RX_MCST_EN | RX_UCST_EN);
- reg &= ~(RX_DIS | TX_DIS);
- core_writel(priv, reg, CORE_IMP_CTL);
-
- /* Enable forwarding */
- core_writel(priv, SW_FWDG_EN, CORE_SWMODE);
-
- /* Enable IMP port in dumb mode */
- reg = core_readl(priv, CORE_SWITCH_CTRL);
- reg |= MII_DUMB_FWDG_EN;
- core_writel(priv, reg, CORE_SWITCH_CTRL);
+ u32 reg, val;
/* Resolve which bit controls the Broadcom tag */
switch (port) {
@@ -124,6 +99,38 @@ static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port)
reg = core_readl(priv, CORE_BRCM_HDR_TX_DIS);
reg &= ~(1 << port);
core_writel(priv, reg, CORE_BRCM_HDR_TX_DIS);
+}
+
+static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port)
+{
+ struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds);
+ u32 reg, offset;
+
+ if (priv->type == BCM7445_DEVICE_ID)
+ offset = CORE_STS_OVERRIDE_IMP;
+ else
+ offset = CORE_STS_OVERRIDE_IMP2;
+
+ /* Enable the port memories */
+ reg = core_readl(priv, CORE_MEM_PSM_VDD_CTRL);
+ reg &= ~P_TXQ_PSM_VDD(port);
+ core_writel(priv, reg, CORE_MEM_PSM_VDD_CTRL);
+
+ /* Enable Broadcast, Multicast, Unicast forwarding to IMP port */
+ reg = core_readl(priv, CORE_IMP_CTL);
+ reg |= (RX_BCST_EN | RX_MCST_EN | RX_UCST_EN);
+ reg &= ~(RX_DIS | TX_DIS);
+ core_writel(priv, reg, CORE_IMP_CTL);
+
+ /* Enable forwarding */
+ core_writel(priv, SW_FWDG_EN, CORE_SWMODE);
+
+ /* Enable IMP port in dumb mode */
+ reg = core_readl(priv, CORE_SWITCH_CTRL);
+ reg |= MII_DUMB_FWDG_EN;
+ core_writel(priv, reg, CORE_SWITCH_CTRL);
+
+ bcm_sf2_brcm_hdr_setup(priv, port);
/* Force link status for IMP port */
reg = core_readl(priv, offset);