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Poke RDAR/TDAR every time. Add more diagnostic printout.

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This commit is contained in:
Eric Norum
2005-05-10 23:24:23 +00:00
parent 34e458a38e
commit b6cfe2f6fa
2 changed files with 31 additions and 6 deletions
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5
c/src/lib/libbsp/m68k/uC5282/ChangeLog
View File

@@ -1,3 +1,8 @@
2005-05-10 Eric Norum <norume@aps.anl.gov>
* network/network.c: Poke RDAR/TDAR every time.
Add more diagnostic printout.
2005-05-03 Joel Sherrill <joel@OARcorp.com>
* startup/init5282.c: Remove use of _Coldfire_VBR and use _VBR as rest

32
c/src/lib/libbsp/m68k/uC5282/network/network.c
View File

@@ -73,9 +73,9 @@
#endif
typedef struct mcf5282BufferDescriptor_ {
volatile uint16_t status;
volatile uint16_t status;
uint16_t length;
volatile void *buffer;
volatile void *buffer;
} mcf5282BufferDescriptor_t;
/*
@@ -438,8 +438,7 @@ fec_rxDaemon (void *arg)
* Reenable the buffer descriptor
*/
rxBd->status = (status & MCF5282_FEC_RxBD_W) | MCF5282_FEC_RxBD_E;
if ((MCF5282_FEC_RDAR & MCF5282_FEC_RDAR_R_DES_ACTIVE) == 0)
MCF5282_FEC_RDAR = 0;
MCF5282_FEC_RDAR = 0;
/*
* Move to next buffer descriptor
@@ -561,8 +560,7 @@ fec_sendpacket(struct ifnet *ifp, struct mbuf *m)
| MCF5282_FEC_TxBD_TC;
if (nAdded > 1)
firstTxBd->status |= MCF5282_FEC_TxBD_R;
if ((MCF5282_FEC_TDAR & MCF5282_FEC_TDAR_X_DES_ACTIVE) == 0)
MCF5282_FEC_TDAR = 0;
MCF5282_FEC_TDAR = 0;
sc->txBdActiveCount += nAdded;
}
break;
@@ -742,6 +740,28 @@ enet_stats(struct mcf5282_enet_struct *sc)
printf(" TCR:%8.8lx\n", MCF5282_FEC_TCR);
printf("FRBR:%8.8lx ", MCF5282_FEC_FRBR);
printf("FRSR:%8.8lx\n", MCF5282_FEC_FRSR);
if (sc->txBdActiveCount != 0) {
int i, n;
/*
* Yes, there are races here with adding and retiring descriptors,
* but this diagnostic is more for when things have backed up.
*/
printf("Transmit Buffer Descriptors (Tail %d, Head %d, Active %d):\n",
sc->txBdTail,
sc->txBdHead,
sc->txBdActiveCount);
i = sc->txBdTail;
for (n = 0 ; n < sc->txBdCount ; n++) {
if ((sc->txBdBase[i].status & MCF5282_FEC_TxBD_R) != 0)
printf(" %3d: status:%4.4x length:%-4d buffer:%p\n",
i,
sc->txBdBase[i].status,
sc->txBdBase[i].length,
sc->txBdBase[i].buffer);
if (++i == sc->txBdCount)
i = 0;
}
}
}
static int