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[3c90x] Stall upload engine before setting RX ring address

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According to the 3c90x datasheet we have to stall the upload (receive)
engine before setting the receive ring address.

Signed-off-by: Thomas Miletich <thomas.miletich@gmail.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Thomas Miletich 2013-08-19 12:59:34 +02:00 committed by Michael Brown
parent 82e452d427
commit b324a9c243
1 changed files with 4 additions and 0 deletions
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4
src/drivers/net/3c90x.c
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@ -813,10 +813,14 @@ static int a3c90x_open(struct net_device *netdev)
goto error;
}
a3c90x_internal_IssueCommand(inf_3c90x->IOAddr, cmdStallCtl, upStall);
/* send rx_ring address to NIC */
outl(virt_to_bus(inf_3c90x->rx_ring),
inf_3c90x->IOAddr + regUpListPtr_l);
a3c90x_internal_IssueCommand(inf_3c90x->IOAddr, cmdStallCtl, upUnStall);
/* enable packet transmission and reception */
a3c90x_internal_IssueCommand(inf_3c90x->IOAddr, cmdTxEnable, 0);
a3c90x_internal_IssueCommand(inf_3c90x->IOAddr, cmdRxEnable, 0);