diff options
Diffstat (limited to 'drivers/net/pcnet.c')
| -rw-r--r-- | drivers/net/pcnet.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/pcnet.c b/drivers/net/pcnet.c index 843a6fcba..7b8766028 100644 --- a/drivers/net/pcnet.c +++ b/drivers/net/pcnet.c @@ -364,6 +364,7 @@ static int pcnet_init(struct eth_device *dev, bd_t *bis) RX_RING_LEN_BITS); lp->init_block.rx_ring = PCI_TO_MEM_LE(dev, lp->rx_ring); lp->init_block.tx_ring = PCI_TO_MEM_LE(dev, lp->tx_ring); + flush_dcache_range((unsigned long)lp, (unsigned long)&lp->rx_buf); PCNET_DEBUG1("\ntlen_rlen=0x%x rx_ring=0x%x tx_ring=0x%x\n", lp->init_block.tlen_rlen, @@ -407,8 +408,13 @@ static int pcnet_send(struct eth_device *dev, void *packet, int pkt_len) PCNET_DEBUG2("Tx%d: %d bytes from 0x%p ", lp->cur_tx, pkt_len, packet); + flush_dcache_range((unsigned long)packet, + (unsigned long)packet + pkt_len); + /* Wait for completion by testing the OWN bit */ for (i = 1000; i > 0; i--) { + invalidate_dcache_range((unsigned long)entry, + (unsigned long)entry + sizeof(*entry)); status = le16_to_cpu(entry->status); if ((status & 0x8000) == 0) break; @@ -431,6 +437,8 @@ static int pcnet_send(struct eth_device *dev, void *packet, int pkt_len) entry->misc = 0x00000000; entry->base = PCI_TO_MEM_LE(dev, packet); entry->status = cpu_to_le16(status); + flush_dcache_range((unsigned long)entry, + (unsigned long)entry + sizeof(*entry)); /* Trigger an immediate send poll. */ pcnet_write_csr(dev, 0, 0x0008); @@ -451,6 +459,8 @@ static int pcnet_recv (struct eth_device *dev) while (1) { entry = &lp->rx_ring[lp->cur_rx]; + invalidate_dcache_range((unsigned long)entry, + (unsigned long)entry + sizeof(*entry)); /* * If we own the next entry, it's a new packet. Send it up. */ @@ -479,6 +489,10 @@ static int pcnet_recv (struct eth_device *dev) printf("%s: Rx%d: invalid packet length %d\n", dev->name, lp->cur_rx, pkt_len); } else { + invalidate_dcache_range( + (unsigned long)lp->rx_buf[lp->cur_rx], + (unsigned long)lp->rx_buf[lp->cur_rx] + + pkt_len); NetReceive(lp->rx_buf[lp->cur_rx], pkt_len); PCNET_DEBUG2("Rx%d: %d bytes from 0x%p\n", lp->cur_rx, pkt_len, @@ -486,6 +500,8 @@ static int pcnet_recv (struct eth_device *dev) } } entry->status |= cpu_to_le16(0x8000); + flush_dcache_range((unsigned long)entry, + (unsigned long)entry + sizeof(*entry)); if (++lp->cur_rx >= RX_RING_SIZE) lp->cur_rx = 0; |