net: fec: add set_promisc function
Enabling promiscuous mode is necessary if FEC is the master of a DSA
switch driver where each port has their own MAC address.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index 7768049..db2cdaf 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -458,6 +458,9 @@
else if (fec->xcv_type == RMII)
rcntrl |= FEC_RCNTRL_RMII;
+ if (fec->promisc)
+ rcntrl |= 0x8;
+
writel(rcntrl, &fec->eth->r_cntrl);
}
@@ -1278,6 +1281,15 @@
return fec_get_hwaddr(priv->dev_id, pdata->enetaddr);
}
+static int fecmxc_set_promisc(struct udevice *dev, bool enable)
+{
+ struct fec_priv *priv = dev_get_priv(dev);
+
+ priv->promisc = enable;
+
+ return 0;
+}
+
static int fecmxc_free_pkt(struct udevice *dev, uchar *packet, int length)
{
if (packet)
@@ -1294,6 +1306,7 @@
.stop = fecmxc_halt,
.write_hwaddr = fecmxc_set_hwaddr,
.read_rom_hwaddr = fecmxc_read_rom_hwaddr,
+ .set_promisc = fecmxc_set_promisc,
};
static int device_get_phy_addr(struct fec_priv *priv, struct udevice *dev)
diff --git a/drivers/net/fec_mxc.h b/drivers/net/fec_mxc.h
index 5ccde91..62b55ef 100644
--- a/drivers/net/fec_mxc.h
+++ b/drivers/net/fec_mxc.h
@@ -272,6 +272,7 @@
struct clk clk_ref;
struct clk clk_ptp;
u32 clk_rate;
+ char promisc;
};
/**