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The numeric constants in the switch statements are replaced by #defines
added to the common ddr_spd.h header. This dramatically improves the
readability of the switch statments.
In addition, a few of the longer lines were cleaned up, and the DDR2
type for an SO-RDIMM module was added to the DDR2 switch statement.
Signed-off-by: Kyle Moffett <[email protected]>
Cc: Andy Fleming <[email protected]>
Cc: Kim Phillips <[email protected]>
Acked-by: York Sun <[email protected]>
Signed-off-by: Kumar Gala <[email protected]>
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Enabled registered DIMMs using data from SPD. RDIMMs have registers
which need to be configured before using. The register configuration
words are stored in SPD byte 60~116 (JEDEC standard No.21-C). Software
should read those RCWs and put into DDR controller before initialization.
Signed-off-by: York Sun <[email protected]>
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- support mirrored DIMMs, not support register DIMMs
- test passed on P2020DS board with MT9JSF12872AY-1G1D1
- test passed on MPC8569MDS board with MT8JSF12864HY-1G1D1
Signed-off-by: Dave Liu <[email protected]>
Signed-off-by: Travis Wheatley <[email protected]>
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Also adds helper functions for DDR1/2 to verify the checksum.
Signed-off-by: Kumar Gala <[email protected]>
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