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netxen: 128 memory controller support

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Future revisions of the chip have 128 bit memory
transactions. Require drivers to implement rmw
in case of sub-128 bit accesses by driver. This
is mostly used by diagnostic tools.

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 2009-10-16 15:50:07 +00:00 • committed by David S. Miller
parent 0a2aa44060
commit fb1f6a4378
2 changed files with 53 additions and 10 deletions
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8
drivers/net/netxen/netxen_nic_hdr.h
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@ -678,10 +678,14 @@ enum {
#define MIU_TEST_AGT_ADDR_HI (0x08)
#define MIU_TEST_AGT_WRDATA_LO (0x10)
#define MIU_TEST_AGT_WRDATA_HI (0x14)
#define MIU_TEST_AGT_WRDATA(i) (0x10+(4*(i)))
#define MIU_TEST_AGT_WRDATA_UPPER_LO (0x20)
#define MIU_TEST_AGT_WRDATA_UPPER_HI (0x24)
#define MIU_TEST_AGT_WRDATA(i) (0x10+(0x10*((i)>>1))+(4*((i)&1)))
#define MIU_TEST_AGT_RDDATA_LO (0x18)
#define MIU_TEST_AGT_RDDATA_HI (0x1c)
#define MIU_TEST_AGT_RDDATA(i) (0x18+(4*(i)))
#define MIU_TEST_AGT_RDDATA_UPPER_LO (0x28)
#define MIU_TEST_AGT_RDDATA_UPPER_HI (0x2c)
#define MIU_TEST_AGT_RDDATA(i) (0x18+(0x10*((i)>>1))+(4*((i)&1)))
#define MIU_TEST_AGT_ADDR_MASK 0xfffffff8
#define MIU_TEST_AGT_UPPER_ADDR(off) (0)