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netxen: improve pci memory access

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o Access on card memory through memory controller (agent)
  rather than moving small pci window around. Clean up the
  code for moving windows around.

o Restrict memory accesss to 64 bit, currently only firmware
  download uses this.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dhananjay Phadke 2009-09-11 11:28:12 +00:00 • committed by David S. Miller
parent f78c0850d2
commit ea6828b8aa
3 changed files with 93 additions and 266 deletions
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7
drivers/net/netxen/netxen_nic_main.c
View file

@ -643,9 +643,10 @@ netxen_setup_pci_map(struct netxen_adapter *adapter)
adapter->ahw.ddr_mn_window = 0;
adapter->ahw.qdr_sn_window = 0;
adapter->ahw.mn_win_crb = 0x100000 + PCIX_MN_WINDOW +
(pci_func * 0x20);
adapter->ahw.ms_win_crb = 0x100000 + PCIX_SN_WINDOW;
adapter->ahw.mn_win_crb = NETXEN_PCI_CRBSPACE +
0x100000 + PCIX_MN_WINDOW + (pci_func * 0x20);
adapter->ahw.ms_win_crb = NETXEN_PCI_CRBSPACE +
0x100000 + PCIX_SN_WINDOW;
if (pci_func < 4)
adapter->ahw.ms_win_crb += (pci_func * 0x20);
else