Author: manu
Date: Fri Nov 20 11:27:43 2020
New Revision: 367878
URL: https://svnweb.freebsd.org/changeset/base/367878
Log:
if_dwc: Add a function to enable/disable the mac tx/rx
No functional changes intended
Modified:
head/sys/dev/dwc/if_dwc.c
Modified: head/sys/dev/dwc/if_dwc.c
==============================================================================
--- head/sys/dev/dwc/if_dwc.c Fri Nov 20 11:27:26 2020 (r367877)
+++ head/sys/dev/dwc/if_dwc.c Fri Nov 20 11:27:43 2020 (r367878)
@@ -212,6 +212,7 @@ static void dwc_rxfinish_locked(struct dwc_softc *sc);
static void dwc_stop_locked(struct dwc_softc *sc);
static void dwc_setup_rxfilter(struct dwc_softc *sc);
static void dwc_setup_core(struct dwc_softc *sc);
+static void dwc_enable_mac(struct dwc_softc *sc, bool enable);
static void dwc_init_dma(struct dwc_softc *sc);
static inline uint32_t
@@ -483,6 +484,7 @@ dwc_init_locked(struct dwc_softc *sc)
dwc_setup_rxfilter(sc);
dwc_setup_core(sc);
+ dwc_enable_mac(sc, true);
dwc_init_dma(sc);
if_setdrvflagbits(ifp, IFF_DRV_RUNNING, IFF_DRV_OACTIVE);
@@ -778,10 +780,23 @@ dwc_setup_core(struct dwc_softc *sc)
DWC_ASSERT_LOCKED(sc);
- /* Enable transmitters */
+ /* Enable core */
reg = READ4(sc, MAC_CONFIGURATION);
reg |= (CONF_JD | CONF_ACS | CONF_BE);
- reg |= (CONF_TE | CONF_RE);
+ WRITE4(sc, MAC_CONFIGURATION, reg);
+}
+
+static void
+dwc_enable_mac(struct dwc_softc *sc, bool enable)
+{
+ uint32_t reg;
+
+ DWC_ASSERT_LOCKED(sc);
+ reg = READ4(sc, MAC_CONFIGURATION);
+ if (enable)
+ reg |= CONF_TE | CONF_RE;
+ else
+ reg &= ~(CONF_TE | CONF_RE);
WRITE4(sc, MAC_CONFIGURATION, reg);
}
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