sergiotarxz/nuttx
sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

SAMV5 EMAC: A few more fixes. Neccessary but not sufficient

Browse Source
This commit is contained in:
Gregory Nutt 2015-03-19 08:54:50 -06:00
parent 256da4837e
commit 08fcf035dd
1 changed files with 18 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
arch/arm/src/samv7/sam_emac.c
View File

@ -1048,7 +1048,9 @@ static int sam_buffer_allocate(struct sam_emac_s *priv)
priv->xfrq[0].rxbuffer = priv->attr->rx0buffer;
priv->xfrq[0].rxbufsize = EMAC_RX_UNITSIZE;
for (qid = 0; qid < EMAC_NQUEUES; qid++)
/* Priority queues */
for (qid = 1; qid < EMAC_NQUEUES; qid++)
{
priv->xfrq[qid].txdesc = priv->attr->tx1desc;
priv->xfrq[qid].ntxbuffers = DUMMY_NBUFFERS;
@ -1159,7 +1161,7 @@ static int sam_buffer_allocate(struct sam_emac_s *priv)
priv->xfrq[1].rxbufsize = DUMMY_BUFSIZE;
/* Clone the Queue 1 allocations to the other queues */
/* Clone the Priority Queue 1 allocations to the other priority queues */
for (qid = 2; qid < EMAC_NQUEUES; qid++)
{
@ -3850,6 +3852,7 @@ static int sam_phywrite(struct sam_emac_s *priv, uint8_t phyaddr,
static int sam_autonegotiate(struct sam_emac_s *priv)
{
uint32_t regval;
uint32_t ncr;
uint16_t phyid1;
uint16_t phyid2;
uint16_t mcr;
@ -4041,17 +4044,22 @@ static int sam_autonegotiate(struct sam_emac_s *priv)
/* Select RMII/MII */
regval = sam_getreg(priv, SAM_EMAC_UR_OFFSET);
regval &= ~EMAC_UR_RMII; /* Assume MII */
ncr = sam_getreg(priv, SAM_EMAC_NCR_OFFSET);
sam_putreg(priv, SAM_EMAC_NCR_OFFSET,
ncr & ~(EMAC_NCR_TXEN | EMAC_NCR_RXEN));
if (priv->attr->rmii)
regval = sam_getreg(priv, SAM_EMAC_UR_OFFSET);
regval &= ~EMAC_UR_RMII; /* Assume RMII */
if (!priv->attr->rmii)
{
/* Not MII, select RMII */
/* Not RMII, select MII */
regval |= EMAC_UR_RMII;
}
sam_putreg(priv, SAM_EMAC_UR_OFFSET, regval);
sam_putreg(priv, SAM_EMAC_NCR_OFFSET, ncr);
errout:
/* Disable management port */
@ -4767,10 +4775,11 @@ static int sam_queue0_configure(struct sam_emac_s *priv)
* EMAC_DCFGR_TXPBMS - Full configured address space (4Kbytes)
* - No Checksum generation offload enable
* EMAC_DCFGR_DRBS - Set configured receive buffer size
* (units of 64 bytes)
*/
regval = EMAC_DCFGR_FBLDO_INCR4 | EMAC_DCFGR_RXBMS_FULL |
EMAC_DCFGR_DRBS(priv->xfrq[0].rxbufsize);
regval = EMAC_DCFGR_FBLDO_INCR4 | EMAC_DCFGR_RXBMS_FULL | /* EMAC_DCFGR_TXPBMS | */
EMAC_DCFGR_DRBS(priv->xfrq[0].rxbufsize >> 6);
sam_putreg(priv, SAM_EMAC_DCFGR_OFFSET, regval);
/* Reset RX and TX */