netxen: change firmware write size

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

View File

@ -727,21 +727,28 @@ netxen_load_firmware(struct netxen_adapter *adapter)
flashaddr += 8;
}
} 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;
for (i = 0; i < size; i++) {
if (netxen_rom_fast_read(adapter,
flashaddr, (int *)&data) != 0)
flashaddr, &lo) != 0)
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,
flashaddr, &data, 4))
flashaddr, &data, 8))
return -EIO;
flashaddr += 4;
flashaddr += 8;
}
}
msleep(1);