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ddr: add LPDDR2 data from JESD209-2

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add LPDDR2 data from the JEDEC spec JESD209-2. The data
includes:

1. Addressing information for LPDDR2 memories of different
   densities and types(S2/S4)
2. AC timing data.

This data will useful for memory controller device drivers.
Right now this is used by the TI EMIF SDRAM controller
driver.

Signed-off-by: Aneesh V <[email protected]>
Reviewed-by: Santosh Shilimkar <[email protected]>
Reviewed-by: Benoit Cousson <[email protected]>
[[email protected]: Moved to drivers/memory from drivers/misc]
Signed-off-by: Santosh Shilimkar <[email protected]>
Tested-by: Lokesh Vutla <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Aneesh V 2012-04-27 17:54:03 +05:30 • committed by Greg Kroah-Hartman
commit 9c1c21a053
4 changed files with 320 additions and 0 deletions
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8
lib/Kconfig
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@ -353,6 +353,14 @@ config CORDIC
This option provides an implementation of the CORDIC algorithm;
calculations are in fixed point. Module will be called cordic.
config DDR
bool "JEDEC DDR data"
help
Data from JEDEC specs for DDR SDRAM memories,
particularly the AC timing parameters and addressing
information. This data is useful for drivers handling
DDR SDRAM controllers.
config MPILIB
tristate
select CLZ_TAB