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netxen: change firmware write size

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Use 8 byte strides for firmware download into card
memory since oncard memory controller needs 8 byte
(64 bit) accesses. This avoids unnecessary rmw cycles.

Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amit Kumar Salecha
2009-09-11 11:28:11 +00:00
committed by David S. Miller
parent 5ea1c50662
commit f78c0850d2
1 changed files with 12 additions and 5 deletions
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17
drivers/net/netxen/netxen_nic_init.c
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@@ -727,21 +727,28 @@ netxen_load_firmware(struct netxen_adapter *adapter)
flashaddr += 8; flashaddr += 8;
} }
} else { } else {
u32 data; u64 data;
u32 hi, lo;
size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 4; size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 8;
flashaddr = NETXEN_BOOTLD_START; flashaddr = NETXEN_BOOTLD_START;
for (i = 0; i < size; i++) { for (i = 0; i < size; i++) {
if (netxen_rom_fast_read(adapter, if (netxen_rom_fast_read(adapter,
flashaddr, (int *)&data) != 0) flashaddr, &lo) != 0)
return -EIO; return -EIO;
if (netxen_rom_fast_read(adapter,
flashaddr + 4, &hi) != 0)
return -EIO;
/* hi, lo are already in host endian byteorder */
data = (((u64)hi << 32) | lo);
if (adapter->pci_mem_write(adapter, if (adapter->pci_mem_write(adapter,
flashaddr, &data, 4)) flashaddr, &data, 8))
return -EIO; return -EIO;
flashaddr += 4; flashaddr += 8;
} }
} }
msleep(1); msleep(1);