@@ -160,6 +160,18 @@ static void dwmac100_pmt(struct mac_device_info *hw, unsigned long mode)
return;
}
+static void dwmac100_set_mac_loopback(void __iomem *ioaddr, bool enable)
+{
+ u32 value = readl(ioaddr + MAC_CONTROL);
+
+ if (enable)
+ value |= MAC_CONTROL_OM;
+ else
+ value &= ~MAC_CONTROL_OM;
+
+ writel(value, ioaddr + MAC_CONTROL);
+}
+
const struct stmmac_ops dwmac100_ops = {
.core_init = dwmac100_core_init,
.set_mac = stmmac_set_mac,
@@ -171,6 +183,7 @@ const struct stmmac_ops dwmac100_ops = {
.pmt = dwmac100_pmt,
.set_umac_addr = dwmac100_set_umac_addr,
.get_umac_addr = dwmac100_get_umac_addr,
+ .set_mac_loopback = dwmac100_set_mac_loopback,
};
int dwmac100_setup(struct stmmac_priv *priv)
In preparation for the addition of stmmac selftests we implement the MAC loopback callback in dwmac100 core. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Cc: Joao Pinto <jpinto@synopsys.com> Cc: David S. Miller <davem@davemloft.net> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Corentin Labbe <clabbe.montjoie@gmail.com> --- drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)