redonkable/alistair23-linux
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ll_temac: Add support for V2 LLTEMAC core

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LLTEMAC V1 cores place only received packet length in the app4 word.
V2 cores place additional information in app4.
Mask out the additional information when retrieving the packet length.

Signed-off-by: Steven J. Magnani <steve@digidescorp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steven J. Magnani 2010-02-17 07:14:20 +00:00 committed by David S. Miller
parent e1d444771e
commit c3b7c12cd7
1 changed files with 4 additions and 1 deletions
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5
drivers/net/ll_temac_main.c
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@ -615,7 +615,7 @@ static void ll_temac_recv(struct net_device *ndev)
while ((bdstat & STS_CTRL_APP0_CMPLT)) {
skb = lp->rx_skb[lp->rx_bd_ci];
length = cur_p->app4;
length = cur_p->app4 & 0x3FFF;
skb_vaddr = virt_to_bus(skb->data);
dma_unmap_single(ndev->dev.parent, skb_vaddr, length,
@ -938,6 +938,9 @@ static int __devexit temac_of_remove(struct of_device *op)
static struct of_device_id temac_of_match[] __devinitdata = {
{ .compatible = "xlnx,xps-ll-temac-1.01.b", },
{ .compatible = "xlnx,xps-ll-temac-2.00.a", },
{ .compatible = "xlnx,xps-ll-temac-2.02.a", },
{ .compatible = "xlnx,xps-ll-temac-2.03.a", },
{},
};
MODULE_DEVICE_TABLE(of, temac_of_match);