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if_dwc: Add a function to enable/disable the mac tx/rx

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No functional changes intended
This commit is contained in:
Emmanuel Vadot 2020-11-20 11:27:43 +00:00
parent 16790d8f79
commit f368f4b109
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=367878
1 changed files with 17 additions and 2 deletions
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19
sys/dev/dwc/if_dwc.c
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@ -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);
}