Author: manu
Date: Fri Nov 20 11:27:26 2020
New Revision: 367877
URL: https://svnweb.freebsd.org/changeset/base/367877
Log:
if_awg: Add a function to enable/disable the mac tx/rx
No functional changes intended
Modified:
head/sys/arm/allwinner/if_awg.c
Modified: head/sys/arm/allwinner/if_awg.c
==============================================================================
--- head/sys/arm/allwinner/if_awg.c Fri Nov 20 11:27:08 2020
(r367876)
+++ head/sys/arm/allwinner/if_awg.c Fri Nov 20 11:27:26 2020
(r367877)
@@ -716,15 +716,30 @@ awg_setup_core(struct awg_softc *sc)
val |= BASIC_CTL_RX_TX_PRI;
WR4(sc, EMAC_BASIC_CTL_1, val);
- /* Enable transmitter */
- val = RD4(sc, EMAC_TX_CTL_0);
- WR4(sc, EMAC_TX_CTL_0, val | TX_EN);
+}
- /* Enable receiver */
- val = RD4(sc, EMAC_RX_CTL_0);
- WR4(sc, EMAC_RX_CTL_0, val | RX_EN | CHECK_CRC);
+static void
+awg_enable_mac(struct awg_softc *sc, bool enable)
+{
+ uint32_t tx, rx;
+
+ AWG_ASSERT_LOCKED(sc);
+
+ tx = RD4(sc, EMAC_TX_CTL_0);
+ rx = RD4(sc, EMAC_RX_CTL_0);
+ if (enable) {
+ tx |= TX_EN;
+ rx |= RX_EN | CHECK_CRC;
+ } else {
+ tx &= ~TX_EN;
+ rx &= ~(RX_EN | CHECK_CRC);
+ }
+
+ WR4(sc, EMAC_TX_CTL_0, tx);
+ WR4(sc, EMAC_RX_CTL_0, rx);
}
+
static void
awg_enable_dma_intr(struct awg_softc *sc)
{
@@ -781,6 +796,7 @@ awg_init_locked(struct awg_softc *sc)
awg_setup_rxfilter(sc);
awg_setup_core(sc);
+ awg_enable_mac(sc, true);
awg_init_dma(sc);
if_setdrvflagbits(ifp, IFF_DRV_RUNNING, IFF_DRV_OACTIVE);
@@ -820,13 +836,7 @@ awg_stop(struct awg_softc *sc)
val |= FLUSH_TX_FIFO;
WR4(sc, EMAC_TX_CTL_1, val);
- /* Disable transmitter */
- val = RD4(sc, EMAC_TX_CTL_0);
- WR4(sc, EMAC_TX_CTL_0, val & ~TX_EN);
-
- /* Disable receiver */
- val = RD4(sc, EMAC_RX_CTL_0);
- WR4(sc, EMAC_RX_CTL_0, val & ~RX_EN);
+ awg_enable_mac(sc, false);
/* Disable interrupts */
awg_disable_dma_intr(sc);
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